[b7d3cc34] | 1 | /* |
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| 2 | The contents of this file are subject to the Mozilla Public License |
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| 3 | Version 1.1 (the "License"); you may not use this file except in |
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| 4 | compliance with the License. You may obtain a copy of the License at |
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| 5 | http://www.mozilla.org/MPL/ |
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| 6 | |
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| 7 | Software distributed under the License is distributed on an "AS IS" |
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| 8 | basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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| 9 | License for the specific language governing rights and limitations |
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| 10 | under the License. |
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| 11 | |
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| 12 | The Original Code is expat. |
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| 13 | |
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| 14 | The Initial Developer of the Original Code is James Clark. |
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| 15 | Portions created by James Clark are Copyright (C) 1998, 1999 |
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| 16 | James Clark. All Rights Reserved. |
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| 17 | |
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| 18 | Contributor(s): |
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| 19 | |
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| 20 | */ |
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| 21 | |
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| 22 | #include "xmldef.h" |
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| 23 | #include "xmlparse.h" |
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| 24 | |
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| 25 | #ifdef XML_UNICODE |
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| 26 | #define XML_ENCODE_MAX XML_UTF16_ENCODE_MAX |
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| 27 | #define XmlConvert XmlUtf16Convert |
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| 28 | #define XmlGetInternalEncoding XmlGetUtf16InternalEncoding |
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| 29 | #define XmlGetInternalEncodingNS XmlGetUtf16InternalEncodingNS |
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| 30 | #define XmlEncode XmlUtf16Encode |
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| 31 | #define MUST_CONVERT(enc, s) (!(enc)->isUtf16 || (((unsigned long)s) & 1)) |
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| 32 | typedef unsigned short ICHAR; |
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| 33 | #else |
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| 34 | #define XML_ENCODE_MAX XML_UTF8_ENCODE_MAX |
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| 35 | #define XmlConvert XmlUtf8Convert |
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| 36 | #define XmlGetInternalEncoding XmlGetUtf8InternalEncoding |
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| 37 | #define XmlGetInternalEncodingNS XmlGetUtf8InternalEncodingNS |
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| 38 | #define XmlEncode XmlUtf8Encode |
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| 39 | #define MUST_CONVERT(enc, s) (!(enc)->isUtf8) |
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| 40 | typedef char ICHAR; |
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| 41 | #endif |
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| 42 | |
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| 43 | |
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| 44 | #ifndef XML_NS |
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| 45 | |
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| 46 | #define XmlInitEncodingNS XmlInitEncoding |
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| 47 | #define XmlInitUnknownEncodingNS XmlInitUnknownEncoding |
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| 48 | #undef XmlGetInternalEncodingNS |
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| 49 | #define XmlGetInternalEncodingNS XmlGetInternalEncoding |
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| 50 | #define XmlParseXmlDeclNS XmlParseXmlDecl |
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| 51 | |
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| 52 | #endif |
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| 53 | |
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| 54 | |
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| 55 | #ifdef XML_UNICODE_WCHAR_T |
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| 56 | #define XML_T(x) L ## x |
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| 57 | #else |
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| 58 | #define XML_T(x) x |
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| 59 | #endif |
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| 60 | |
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| 61 | /* Round up n to be a multiple of sz, where sz is a power of 2. */ |
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| 62 | #define ROUND_UP(n, sz) (((n) + ((sz) - 1)) & ~((sz) - 1)) |
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| 63 | |
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| 64 | #include "xmltok.h" |
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| 65 | #include "xmlrole.h" |
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| 66 | #include "hashtable.h" |
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| 67 | |
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| 68 | #define INIT_TAG_BUF_SIZE 32 /* must be a multiple of sizeof(XML_Char) */ |
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| 69 | #define INIT_DATA_BUF_SIZE 1024 |
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| 70 | #define INIT_ATTS_SIZE 16 |
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| 71 | #define INIT_BLOCK_SIZE 1024 |
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| 72 | #define INIT_BUFFER_SIZE 1024 |
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| 73 | |
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| 74 | #define EXPAND_SPARE 24 |
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| 75 | |
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| 76 | typedef struct binding { |
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| 77 | struct prefix *prefix; |
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| 78 | struct binding *nextTagBinding; |
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| 79 | struct binding *prevPrefixBinding; |
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| 80 | const struct attribute_id *attId; |
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| 81 | XML_Char *uri; |
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| 82 | int uriLen; |
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| 83 | int uriAlloc; |
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| 84 | } BINDING; |
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| 85 | |
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| 86 | typedef struct prefix { |
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| 87 | const XML_Char *name; |
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| 88 | BINDING *binding; |
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| 89 | } PREFIX; |
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| 90 | |
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| 91 | typedef struct { |
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| 92 | const XML_Char *str; |
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| 93 | const XML_Char *localPart; |
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| 94 | int uriLen; |
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| 95 | } TAG_NAME; |
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| 96 | |
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| 97 | typedef struct tag { |
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| 98 | struct tag *parent; |
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| 99 | const char *rawName; |
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| 100 | int rawNameLength; |
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| 101 | TAG_NAME name; |
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| 102 | char *buf; |
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| 103 | char *bufEnd; |
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| 104 | BINDING *bindings; |
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| 105 | } TAG; |
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| 106 | |
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| 107 | typedef struct { |
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| 108 | const XML_Char *name; |
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| 109 | const XML_Char *textPtr; |
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| 110 | int textLen; |
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| 111 | const XML_Char *systemId; |
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| 112 | const XML_Char *base; |
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| 113 | const XML_Char *publicId; |
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| 114 | const XML_Char *notation; |
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| 115 | char open; |
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| 116 | } ENTITY; |
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| 117 | |
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| 118 | typedef struct block { |
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| 119 | struct block *next; |
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| 120 | int size; |
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| 121 | XML_Char s[1]; |
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| 122 | } BLOCK; |
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| 123 | |
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| 124 | typedef struct { |
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| 125 | BLOCK *blocks; |
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| 126 | BLOCK *freeBlocks; |
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| 127 | const XML_Char *end; |
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| 128 | XML_Char *ptr; |
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| 129 | XML_Char *start; |
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| 130 | } STRING_POOL; |
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| 131 | |
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| 132 | /* The XML_Char before the name is used to determine whether |
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| 133 | an attribute has been specified. */ |
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| 134 | typedef struct attribute_id { |
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| 135 | XML_Char *name; |
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| 136 | PREFIX *prefix; |
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| 137 | char maybeTokenized; |
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| 138 | char xmlns; |
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| 139 | } ATTRIBUTE_ID; |
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| 140 | |
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| 141 | typedef struct { |
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| 142 | const ATTRIBUTE_ID *id; |
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| 143 | char isCdata; |
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| 144 | const XML_Char *value; |
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| 145 | } DEFAULT_ATTRIBUTE; |
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| 146 | |
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| 147 | typedef struct { |
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| 148 | const XML_Char *name; |
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| 149 | PREFIX *prefix; |
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| 150 | int nDefaultAtts; |
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| 151 | int allocDefaultAtts; |
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| 152 | DEFAULT_ATTRIBUTE *defaultAtts; |
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| 153 | } ELEMENT_TYPE; |
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| 154 | |
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| 155 | typedef struct { |
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| 156 | HASH_TABLE generalEntities; |
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| 157 | HASH_TABLE elementTypes; |
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| 158 | HASH_TABLE attributeIds; |
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| 159 | HASH_TABLE prefixes; |
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| 160 | STRING_POOL pool; |
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| 161 | int complete; |
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| 162 | int standalone; |
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| 163 | const XML_Char *base; |
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| 164 | PREFIX defaultPrefix; |
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| 165 | } DTD; |
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| 166 | |
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| 167 | typedef struct open_internal_entity { |
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| 168 | const char *internalEventPtr; |
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| 169 | const char *internalEventEndPtr; |
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| 170 | struct open_internal_entity *next; |
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| 171 | ENTITY *entity; |
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| 172 | } OPEN_INTERNAL_ENTITY; |
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| 173 | |
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| 174 | typedef enum XML_Error Processor(XML_Parser parser, |
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| 175 | const char *start, |
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| 176 | const char *end, |
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| 177 | const char **endPtr); |
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| 178 | |
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| 179 | static Processor prologProcessor; |
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| 180 | static Processor prologInitProcessor; |
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| 181 | static Processor contentProcessor; |
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| 182 | static Processor cdataSectionProcessor; |
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| 183 | static Processor epilogProcessor; |
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| 184 | |
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| 185 | static enum XML_Error |
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| 186 | handleUnknownEncoding(XML_Parser parser, const XML_Char *encodingName); |
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| 187 | static enum XML_Error |
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| 188 | processXmlDecl(XML_Parser parser, int isGeneralTextEntity, const char *, const char *); |
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| 189 | static enum XML_Error |
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| 190 | initializeEncoding(XML_Parser parser); |
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| 191 | static enum XML_Error |
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| 192 | doContent(XML_Parser parser, int startTagLevel, const ENCODING *enc, |
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| 193 | const char *start, const char *end, const char **endPtr); |
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| 194 | static enum XML_Error |
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| 195 | doCdataSection(XML_Parser parser, const ENCODING *, const char **startPtr, const char *end, const char **nextPtr); |
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| 196 | static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *, const char *s, |
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| 197 | TAG_NAME *tagNamePtr, BINDING **bindingsPtr); |
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| 198 | static |
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| 199 | int addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId, const XML_Char *uri, BINDING **bindingsPtr); |
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| 200 | static int |
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| 201 | defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *, int isCdata, const XML_Char *dfltValue); |
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| 202 | static enum XML_Error |
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| 203 | storeAttributeValue(XML_Parser parser, const ENCODING *, int isCdata, const char *, const char *, |
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| 204 | STRING_POOL *); |
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| 205 | static enum XML_Error |
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| 206 | appendAttributeValue(XML_Parser parser, const ENCODING *, int isCdata, const char *, const char *, |
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| 207 | STRING_POOL *); |
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| 208 | static ATTRIBUTE_ID * |
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| 209 | getAttributeId(XML_Parser parser, const ENCODING *enc, const char *start, const char *end); |
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| 210 | static int setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *); |
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| 211 | static enum XML_Error |
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| 212 | storeEntityValue(XML_Parser parser, const char *start, const char *end); |
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| 213 | static int |
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| 214 | reportProcessingInstruction(XML_Parser parser, const ENCODING *enc, const char *start, const char *end); |
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| 215 | static int |
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| 216 | reportComment(XML_Parser parser, const ENCODING *enc, const char *start, const char *end); |
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| 217 | static void |
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| 218 | reportDefault(XML_Parser parser, const ENCODING *enc, const char *start, const char *end); |
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| 219 | |
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| 220 | static const XML_Char *getContext(XML_Parser parser); |
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| 221 | static void normalizePublicId(XML_Char *s); |
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| 222 | static int dtdInit(DTD *); |
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| 223 | static void dtdDestroy(DTD *); |
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| 224 | static void poolInit(STRING_POOL *); |
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| 225 | static void poolClear(STRING_POOL *); |
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| 226 | static void poolDestroy(STRING_POOL *); |
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| 227 | static XML_Char *poolAppend(STRING_POOL *pool, const ENCODING *enc, |
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| 228 | const char *ptr, const char *end); |
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| 229 | static XML_Char *poolStoreString(STRING_POOL *pool, const ENCODING *enc, |
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| 230 | const char *ptr, const char *end); |
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| 231 | static int poolGrow(STRING_POOL *pool); |
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| 232 | static const XML_Char *poolCopyString(STRING_POOL *pool, const XML_Char *s); |
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| 233 | static void *XML_GetBuffer(XML_Parser parser, int len); |
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| 234 | static int XML_ParseBuffer(XML_Parser parser, int len, int isFinal); |
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| 235 | |
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| 236 | #define poolStart(pool) ((pool)->start) |
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| 237 | #define poolEnd(pool) ((pool)->ptr) |
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| 238 | #define poolLength(pool) ((pool)->ptr - (pool)->start) |
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| 239 | #define poolChop(pool) ((void)--(pool->ptr)) |
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| 240 | #define poolLastChar(pool) (((pool)->ptr)[-1]) |
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| 241 | #define poolDiscard(pool) ((pool)->ptr = (pool)->start) |
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| 242 | #define poolFinish(pool) ((pool)->start = (pool)->ptr) |
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| 243 | #define poolAppendChar(pool, c) \ |
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| 244 | (((pool)->ptr == (pool)->end && !poolGrow(pool)) \ |
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| 245 | ? 0 \ |
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| 246 | : ((*((pool)->ptr)++ = c), 1)) |
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| 247 | |
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| 248 | typedef struct { |
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| 249 | /* The first member must be userData so that the XML_GetUserData macro works. */ |
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| 250 | void *m_userData; |
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| 251 | void *m_handlerArg; |
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| 252 | char *m_buffer; |
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| 253 | /* first character to be parsed */ |
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| 254 | const char *m_bufferPtr; |
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| 255 | /* past last character to be parsed */ |
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| 256 | char *m_bufferEnd; |
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| 257 | /* allocated end of buffer */ |
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| 258 | const char *m_bufferLim; |
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| 259 | long m_parseEndByteIndex; |
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| 260 | const char *m_parseEndPtr; |
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| 261 | XML_Char *m_dataBuf; |
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| 262 | XML_Char *m_dataBufEnd; |
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| 263 | XML_StartElementHandler m_startElementHandler; |
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| 264 | XML_EndElementHandler m_endElementHandler; |
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| 265 | XML_CharacterDataHandler m_characterDataHandler; |
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| 266 | XML_ProcessingInstructionHandler m_processingInstructionHandler; |
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| 267 | XML_CommentHandler m_commentHandler; |
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| 268 | XML_StartCdataSectionHandler m_startCdataSectionHandler; |
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| 269 | XML_EndCdataSectionHandler m_endCdataSectionHandler; |
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| 270 | XML_DefaultHandler m_defaultHandler; |
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| 271 | XML_UnparsedEntityDeclHandler m_unparsedEntityDeclHandler; |
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| 272 | XML_NotationDeclHandler m_notationDeclHandler; |
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| 273 | XML_StartNamespaceDeclHandler m_startNamespaceDeclHandler; |
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| 274 | XML_EndNamespaceDeclHandler m_endNamespaceDeclHandler; |
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| 275 | XML_NotStandaloneHandler m_notStandaloneHandler; |
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| 276 | XML_ExternalEntityRefHandler m_externalEntityRefHandler; |
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| 277 | void *m_externalEntityRefHandlerArg; |
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| 278 | XML_UnknownEncodingHandler m_unknownEncodingHandler; |
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| 279 | const ENCODING *m_encoding; |
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| 280 | INIT_ENCODING m_initEncoding; |
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| 281 | const XML_Char *m_protocolEncodingName; |
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| 282 | int m_ns; |
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| 283 | void *m_unknownEncodingMem; |
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| 284 | void *m_unknownEncodingData; |
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| 285 | void *m_unknownEncodingHandlerData; |
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| 286 | void (*m_unknownEncodingRelease)(void *); |
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| 287 | PROLOG_STATE m_prologState; |
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| 288 | Processor *m_processor; |
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| 289 | enum XML_Error m_errorCode; |
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| 290 | const char *m_eventPtr; |
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| 291 | const char *m_eventEndPtr; |
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| 292 | const char *m_positionPtr; |
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| 293 | OPEN_INTERNAL_ENTITY *m_openInternalEntities; |
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| 294 | int m_defaultExpandInternalEntities; |
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| 295 | int m_tagLevel; |
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| 296 | ENTITY *m_declEntity; |
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| 297 | const XML_Char *m_declNotationName; |
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| 298 | const XML_Char *m_declNotationPublicId; |
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| 299 | ELEMENT_TYPE *m_declElementType; |
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| 300 | ATTRIBUTE_ID *m_declAttributeId; |
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| 301 | char m_declAttributeIsCdata; |
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| 302 | DTD m_dtd; |
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| 303 | TAG *m_tagStack; |
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| 304 | TAG *m_freeTagList; |
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| 305 | BINDING *m_inheritedBindings; |
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| 306 | BINDING *m_freeBindingList; |
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| 307 | int m_attsSize; |
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| 308 | int m_nSpecifiedAtts; |
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| 309 | ATTRIBUTE *m_atts; |
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| 310 | POSITION m_position; |
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| 311 | STRING_POOL m_tempPool; |
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| 312 | STRING_POOL m_temp2Pool; |
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| 313 | char *m_groupConnector; |
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| 314 | unsigned m_groupSize; |
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| 315 | int m_hadExternalDoctype; |
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| 316 | XML_Char m_namespaceSeparator; |
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| 317 | } Parser; |
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| 318 | |
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| 319 | #define userData (((Parser *)parser)->m_userData) |
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| 320 | #define handlerArg (((Parser *)parser)->m_handlerArg) |
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| 321 | #define startElementHandler (((Parser *)parser)->m_startElementHandler) |
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| 322 | #define endElementHandler (((Parser *)parser)->m_endElementHandler) |
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| 323 | #define characterDataHandler (((Parser *)parser)->m_characterDataHandler) |
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| 324 | #define processingInstructionHandler (((Parser *)parser)->m_processingInstructionHandler) |
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| 325 | #define commentHandler (((Parser *)parser)->m_commentHandler) |
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| 326 | #define startCdataSectionHandler (((Parser *)parser)->m_startCdataSectionHandler) |
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| 327 | #define endCdataSectionHandler (((Parser *)parser)->m_endCdataSectionHandler) |
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| 328 | #define defaultHandler (((Parser *)parser)->m_defaultHandler) |
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| 329 | #define unparsedEntityDeclHandler (((Parser *)parser)->m_unparsedEntityDeclHandler) |
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| 330 | #define notationDeclHandler (((Parser *)parser)->m_notationDeclHandler) |
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| 331 | #define startNamespaceDeclHandler (((Parser *)parser)->m_startNamespaceDeclHandler) |
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| 332 | #define endNamespaceDeclHandler (((Parser *)parser)->m_endNamespaceDeclHandler) |
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| 333 | #define notStandaloneHandler (((Parser *)parser)->m_notStandaloneHandler) |
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| 334 | #define externalEntityRefHandler (((Parser *)parser)->m_externalEntityRefHandler) |
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| 335 | #define externalEntityRefHandlerArg (((Parser *)parser)->m_externalEntityRefHandlerArg) |
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| 336 | #define unknownEncodingHandler (((Parser *)parser)->m_unknownEncodingHandler) |
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| 337 | #define encoding (((Parser *)parser)->m_encoding) |
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| 338 | #define initEncoding (((Parser *)parser)->m_initEncoding) |
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| 339 | #define unknownEncodingMem (((Parser *)parser)->m_unknownEncodingMem) |
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| 340 | #define unknownEncodingData (((Parser *)parser)->m_unknownEncodingData) |
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| 341 | #define unknownEncodingHandlerData \ |
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| 342 | (((Parser *)parser)->m_unknownEncodingHandlerData) |
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| 343 | #define unknownEncodingRelease (((Parser *)parser)->m_unknownEncodingRelease) |
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| 344 | #define protocolEncodingName (((Parser *)parser)->m_protocolEncodingName) |
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| 345 | #define ns (((Parser *)parser)->m_ns) |
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| 346 | #define prologState (((Parser *)parser)->m_prologState) |
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| 347 | #define processor (((Parser *)parser)->m_processor) |
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| 348 | #define errorCode (((Parser *)parser)->m_errorCode) |
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| 349 | #define eventPtr (((Parser *)parser)->m_eventPtr) |
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| 350 | #define eventEndPtr (((Parser *)parser)->m_eventEndPtr) |
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| 351 | #define positionPtr (((Parser *)parser)->m_positionPtr) |
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| 352 | #define position (((Parser *)parser)->m_position) |
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| 353 | #define openInternalEntities (((Parser *)parser)->m_openInternalEntities) |
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| 354 | #define defaultExpandInternalEntities (((Parser *)parser)->m_defaultExpandInternalEntities) |
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| 355 | #define tagLevel (((Parser *)parser)->m_tagLevel) |
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| 356 | #define buffer (((Parser *)parser)->m_buffer) |
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| 357 | #define bufferPtr (((Parser *)parser)->m_bufferPtr) |
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| 358 | #define bufferEnd (((Parser *)parser)->m_bufferEnd) |
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| 359 | #define parseEndByteIndex (((Parser *)parser)->m_parseEndByteIndex) |
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| 360 | #define parseEndPtr (((Parser *)parser)->m_parseEndPtr) |
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| 361 | #define bufferLim (((Parser *)parser)->m_bufferLim) |
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| 362 | #define dataBuf (((Parser *)parser)->m_dataBuf) |
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| 363 | #define dataBufEnd (((Parser *)parser)->m_dataBufEnd) |
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| 364 | #define dtd (((Parser *)parser)->m_dtd) |
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| 365 | #define declEntity (((Parser *)parser)->m_declEntity) |
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| 366 | #define declNotationName (((Parser *)parser)->m_declNotationName) |
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| 367 | #define declNotationPublicId (((Parser *)parser)->m_declNotationPublicId) |
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| 368 | #define declElementType (((Parser *)parser)->m_declElementType) |
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| 369 | #define declAttributeId (((Parser *)parser)->m_declAttributeId) |
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| 370 | #define declAttributeIsCdata (((Parser *)parser)->m_declAttributeIsCdata) |
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| 371 | #define freeTagList (((Parser *)parser)->m_freeTagList) |
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| 372 | #define freeBindingList (((Parser *)parser)->m_freeBindingList) |
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| 373 | #define inheritedBindings (((Parser *)parser)->m_inheritedBindings) |
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| 374 | #define tagStack (((Parser *)parser)->m_tagStack) |
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| 375 | #define atts (((Parser *)parser)->m_atts) |
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| 376 | #define attsSize (((Parser *)parser)->m_attsSize) |
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| 377 | #define nSpecifiedAtts (((Parser *)parser)->m_nSpecifiedAtts) |
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| 378 | #define tempPool (((Parser *)parser)->m_tempPool) |
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| 379 | #define temp2Pool (((Parser *)parser)->m_temp2Pool) |
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| 380 | #define groupConnector (((Parser *)parser)->m_groupConnector) |
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| 381 | #define groupSize (((Parser *)parser)->m_groupSize) |
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| 382 | #define hadExternalDoctype (((Parser *)parser)->m_hadExternalDoctype) |
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| 383 | #define namespaceSeparator (((Parser *)parser)->m_namespaceSeparator) |
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| 384 | |
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| 385 | #ifdef _MSC_VER |
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| 386 | #ifdef _DEBUG |
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| 387 | Parser *asParser(XML_Parser parser) |
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| 388 | { |
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| 389 | return parser; |
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| 390 | } |
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| 391 | #endif |
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| 392 | #endif |
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| 393 | |
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| 394 | XML_Parser XML_ParserCreate(const XML_Char *encodingName) |
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| 395 | { |
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| 396 | XML_Parser parser = malloc(sizeof(Parser)); |
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| 397 | if (!parser) |
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| 398 | return parser; |
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| 399 | processor = prologInitProcessor; |
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| 400 | XmlPrologStateInit(&prologState); |
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| 401 | userData = 0; |
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| 402 | handlerArg = 0; |
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| 403 | startElementHandler = 0; |
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| 404 | endElementHandler = 0; |
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| 405 | characterDataHandler = 0; |
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| 406 | processingInstructionHandler = 0; |
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| 407 | commentHandler = 0; |
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| 408 | startCdataSectionHandler = 0; |
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| 409 | endCdataSectionHandler = 0; |
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| 410 | defaultHandler = 0; |
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| 411 | unparsedEntityDeclHandler = 0; |
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| 412 | notationDeclHandler = 0; |
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| 413 | startNamespaceDeclHandler = 0; |
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| 414 | endNamespaceDeclHandler = 0; |
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| 415 | notStandaloneHandler = 0; |
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| 416 | externalEntityRefHandler = 0; |
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| 417 | externalEntityRefHandlerArg = parser; |
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| 418 | unknownEncodingHandler = 0; |
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| 419 | buffer = 0; |
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| 420 | bufferPtr = 0; |
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| 421 | bufferEnd = 0; |
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| 422 | parseEndByteIndex = 0; |
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| 423 | parseEndPtr = 0; |
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| 424 | bufferLim = 0; |
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| 425 | declElementType = 0; |
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| 426 | declAttributeId = 0; |
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| 427 | declEntity = 0; |
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| 428 | declNotationName = 0; |
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| 429 | declNotationPublicId = 0; |
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| 430 | memset(&position, 0, sizeof(POSITION)); |
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| 431 | errorCode = XML_ERROR_NONE; |
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| 432 | eventPtr = 0; |
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| 433 | eventEndPtr = 0; |
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| 434 | positionPtr = 0; |
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| 435 | openInternalEntities = 0; |
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| 436 | tagLevel = 0; |
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| 437 | tagStack = 0; |
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| 438 | freeTagList = 0; |
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| 439 | freeBindingList = 0; |
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| 440 | inheritedBindings = 0; |
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| 441 | attsSize = INIT_ATTS_SIZE; |
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| 442 | atts = malloc(attsSize * sizeof(ATTRIBUTE)); |
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| 443 | nSpecifiedAtts = 0; |
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| 444 | dataBuf = malloc(INIT_DATA_BUF_SIZE * sizeof(XML_Char)); |
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| 445 | groupSize = 0; |
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| 446 | groupConnector = 0; |
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| 447 | hadExternalDoctype = 0; |
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| 448 | unknownEncodingMem = 0; |
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| 449 | unknownEncodingRelease = 0; |
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| 450 | unknownEncodingData = 0; |
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| 451 | unknownEncodingHandlerData = 0; |
---|
| 452 | namespaceSeparator = '!'; |
---|
| 453 | ns = 0; |
---|
| 454 | poolInit(&tempPool); |
---|
| 455 | poolInit(&temp2Pool); |
---|
| 456 | protocolEncodingName = encodingName ? poolCopyString(&tempPool, encodingName) : 0; |
---|
| 457 | if (!dtdInit(&dtd) || !atts || !dataBuf |
---|
| 458 | || (encodingName && !protocolEncodingName)) { |
---|
| 459 | XML_ParserFree(parser); |
---|
| 460 | return 0; |
---|
| 461 | } |
---|
| 462 | dataBufEnd = dataBuf + INIT_DATA_BUF_SIZE; |
---|
| 463 | XmlInitEncoding(&initEncoding, &encoding, 0); |
---|
| 464 | return parser; |
---|
| 465 | } |
---|
| 466 | |
---|
| 467 | static |
---|
| 468 | void destroyBindings(BINDING *bindings) |
---|
| 469 | { |
---|
| 470 | for (;;) { |
---|
| 471 | BINDING *b = bindings; |
---|
| 472 | if (!b) |
---|
| 473 | break; |
---|
| 474 | bindings = b->nextTagBinding; |
---|
| 475 | g_free(b->uri); |
---|
| 476 | g_free(b); |
---|
| 477 | } |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | void XML_ParserFree(XML_Parser parser) |
---|
| 481 | { |
---|
| 482 | for (;;) { |
---|
| 483 | TAG *p; |
---|
| 484 | if (tagStack == 0) { |
---|
| 485 | if (freeTagList == 0) |
---|
| 486 | break; |
---|
| 487 | tagStack = freeTagList; |
---|
| 488 | freeTagList = 0; |
---|
| 489 | } |
---|
| 490 | p = tagStack; |
---|
| 491 | tagStack = tagStack->parent; |
---|
| 492 | g_free(p->buf); |
---|
| 493 | destroyBindings(p->bindings); |
---|
| 494 | g_free(p); |
---|
| 495 | } |
---|
| 496 | destroyBindings(freeBindingList); |
---|
| 497 | destroyBindings(inheritedBindings); |
---|
| 498 | poolDestroy(&tempPool); |
---|
| 499 | poolDestroy(&temp2Pool); |
---|
| 500 | dtdDestroy(&dtd); |
---|
| 501 | g_free((void *)atts); |
---|
| 502 | g_free(groupConnector); |
---|
| 503 | g_free(buffer); |
---|
| 504 | g_free(dataBuf); |
---|
| 505 | g_free(unknownEncodingMem); |
---|
| 506 | if (unknownEncodingRelease) |
---|
| 507 | unknownEncodingRelease(unknownEncodingData); |
---|
| 508 | g_free(parser); |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | void XML_SetUserData(XML_Parser parser, void *p) |
---|
| 512 | { |
---|
| 513 | if (handlerArg == userData) |
---|
| 514 | handlerArg = userData = p; |
---|
| 515 | else |
---|
| 516 | userData = p; |
---|
| 517 | } |
---|
| 518 | |
---|
| 519 | void XML_SetElementHandler(XML_Parser parser, |
---|
| 520 | XML_StartElementHandler start, |
---|
| 521 | XML_EndElementHandler end) |
---|
| 522 | { |
---|
| 523 | startElementHandler = start; |
---|
| 524 | endElementHandler = end; |
---|
| 525 | } |
---|
| 526 | |
---|
| 527 | void XML_SetCharacterDataHandler(XML_Parser parser, |
---|
| 528 | XML_CharacterDataHandler handler) |
---|
| 529 | { |
---|
| 530 | characterDataHandler = handler; |
---|
| 531 | } |
---|
| 532 | |
---|
| 533 | int XML_Parse(XML_Parser parser, const char *s, int len, int isFinal) |
---|
| 534 | { |
---|
| 535 | if (len == 0) { |
---|
| 536 | if (!isFinal) |
---|
| 537 | return 1; |
---|
| 538 | positionPtr = bufferPtr; |
---|
| 539 | errorCode = processor(parser, bufferPtr, parseEndPtr = bufferEnd, 0); |
---|
| 540 | if (errorCode == XML_ERROR_NONE) |
---|
| 541 | return 1; |
---|
| 542 | eventEndPtr = eventPtr; |
---|
| 543 | return 0; |
---|
| 544 | } |
---|
| 545 | else if (bufferPtr == bufferEnd) { |
---|
| 546 | const char *end; |
---|
| 547 | int nLeftOver; |
---|
| 548 | parseEndByteIndex += len; |
---|
| 549 | positionPtr = s; |
---|
| 550 | if (isFinal) { |
---|
| 551 | errorCode = processor(parser, s, parseEndPtr = s + len, 0); |
---|
| 552 | if (errorCode == XML_ERROR_NONE) |
---|
| 553 | return 1; |
---|
| 554 | eventEndPtr = eventPtr; |
---|
| 555 | return 0; |
---|
| 556 | } |
---|
| 557 | errorCode = processor(parser, s, parseEndPtr = s + len, &end); |
---|
| 558 | if (errorCode != XML_ERROR_NONE) { |
---|
| 559 | eventEndPtr = eventPtr; |
---|
| 560 | return 0; |
---|
| 561 | } |
---|
| 562 | XmlUpdatePosition(encoding, positionPtr, end, &position); |
---|
| 563 | nLeftOver = s + len - end; |
---|
| 564 | if (nLeftOver) { |
---|
| 565 | if (buffer == 0 || nLeftOver > bufferLim - buffer) { |
---|
| 566 | /* FIXME avoid integer overflow */ |
---|
| 567 | buffer = buffer == 0 ? malloc(len * 2) : realloc(buffer, len * 2); |
---|
| 568 | if (!buffer) { |
---|
| 569 | errorCode = XML_ERROR_NO_MEMORY; |
---|
| 570 | eventPtr = eventEndPtr = 0; |
---|
| 571 | return 0; |
---|
| 572 | } |
---|
| 573 | bufferLim = buffer + len * 2; |
---|
| 574 | } |
---|
| 575 | memcpy(buffer, end, nLeftOver); |
---|
| 576 | bufferPtr = buffer; |
---|
| 577 | bufferEnd = buffer + nLeftOver; |
---|
| 578 | } |
---|
| 579 | return 1; |
---|
| 580 | } |
---|
| 581 | else { |
---|
| 582 | memcpy(XML_GetBuffer(parser, len), s, len); |
---|
| 583 | return XML_ParseBuffer(parser, len, isFinal); |
---|
| 584 | } |
---|
| 585 | } |
---|
| 586 | |
---|
| 587 | static int XML_ParseBuffer(XML_Parser parser, int len, int isFinal) |
---|
| 588 | { |
---|
| 589 | const char *start = bufferPtr; |
---|
| 590 | positionPtr = start; |
---|
| 591 | bufferEnd += len; |
---|
| 592 | parseEndByteIndex += len; |
---|
| 593 | errorCode = processor(parser, start, parseEndPtr = bufferEnd, |
---|
| 594 | isFinal ? (const char **)0 : &bufferPtr); |
---|
| 595 | if (errorCode == XML_ERROR_NONE) { |
---|
| 596 | if (!isFinal) |
---|
| 597 | XmlUpdatePosition(encoding, positionPtr, bufferPtr, &position); |
---|
| 598 | return 1; |
---|
| 599 | } |
---|
| 600 | else { |
---|
| 601 | eventEndPtr = eventPtr; |
---|
| 602 | return 0; |
---|
| 603 | } |
---|
| 604 | } |
---|
| 605 | |
---|
| 606 | static void *XML_GetBuffer(XML_Parser parser, int len) |
---|
| 607 | { |
---|
| 608 | if (len > bufferLim - bufferEnd) { |
---|
| 609 | /* FIXME avoid integer overflow */ |
---|
| 610 | int neededSize = len + (bufferEnd - bufferPtr); |
---|
| 611 | if (neededSize <= bufferLim - buffer) { |
---|
| 612 | memmove(buffer, bufferPtr, bufferEnd - bufferPtr); |
---|
| 613 | bufferEnd = buffer + (bufferEnd - bufferPtr); |
---|
| 614 | bufferPtr = buffer; |
---|
| 615 | } |
---|
| 616 | else { |
---|
| 617 | char *newBuf; |
---|
| 618 | int bufferSize = bufferLim - bufferPtr; |
---|
| 619 | if (bufferSize == 0) |
---|
| 620 | bufferSize = INIT_BUFFER_SIZE; |
---|
| 621 | do { |
---|
| 622 | bufferSize *= 2; |
---|
| 623 | } while (bufferSize < neededSize); |
---|
| 624 | newBuf = malloc(bufferSize); |
---|
| 625 | if (newBuf == 0) { |
---|
| 626 | errorCode = XML_ERROR_NO_MEMORY; |
---|
| 627 | return 0; |
---|
| 628 | } |
---|
| 629 | bufferLim = newBuf + bufferSize; |
---|
| 630 | if (bufferPtr) { |
---|
| 631 | memcpy(newBuf, bufferPtr, bufferEnd - bufferPtr); |
---|
| 632 | g_free(buffer); |
---|
| 633 | } |
---|
| 634 | bufferEnd = newBuf + (bufferEnd - bufferPtr); |
---|
| 635 | bufferPtr = buffer = newBuf; |
---|
| 636 | } |
---|
| 637 | } |
---|
| 638 | return bufferEnd; |
---|
| 639 | } |
---|
| 640 | |
---|
| 641 | static |
---|
| 642 | enum XML_Error contentProcessor(XML_Parser parser, |
---|
| 643 | const char *start, |
---|
| 644 | const char *end, |
---|
| 645 | const char **endPtr) |
---|
| 646 | { |
---|
| 647 | return doContent(parser, 0, encoding, start, end, endPtr); |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | static enum XML_Error |
---|
| 651 | doContent(XML_Parser parser, |
---|
| 652 | int startTagLevel, |
---|
| 653 | const ENCODING *enc, |
---|
| 654 | const char *s, |
---|
| 655 | const char *end, |
---|
| 656 | const char **nextPtr) |
---|
| 657 | { |
---|
| 658 | const ENCODING *internalEnc = ns ? XmlGetInternalEncodingNS() : XmlGetInternalEncoding(); |
---|
| 659 | const char **eventPP; |
---|
| 660 | const char **eventEndPP; |
---|
| 661 | if (enc == encoding) { |
---|
| 662 | eventPP = &eventPtr; |
---|
| 663 | eventEndPP = &eventEndPtr; |
---|
| 664 | } |
---|
| 665 | else { |
---|
| 666 | eventPP = &(openInternalEntities->internalEventPtr); |
---|
| 667 | eventEndPP = &(openInternalEntities->internalEventEndPtr); |
---|
| 668 | } |
---|
| 669 | *eventPP = s; |
---|
| 670 | for (;;) { |
---|
| 671 | const char *next = s; /* XmlContentTok doesn't always set the last arg */ |
---|
| 672 | int tok = XmlContentTok(enc, s, end, &next); |
---|
| 673 | *eventEndPP = next; |
---|
| 674 | switch (tok) { |
---|
| 675 | case XML_TOK_TRAILING_CR: |
---|
| 676 | if (nextPtr) { |
---|
| 677 | *nextPtr = s; |
---|
| 678 | return XML_ERROR_NONE; |
---|
| 679 | } |
---|
| 680 | *eventEndPP = end; |
---|
| 681 | if (characterDataHandler) { |
---|
| 682 | XML_Char c = 0xA; |
---|
| 683 | characterDataHandler(handlerArg, &c, 1); |
---|
| 684 | } |
---|
| 685 | else if (defaultHandler) |
---|
| 686 | reportDefault(parser, enc, s, end); |
---|
| 687 | if (startTagLevel == 0) |
---|
| 688 | return XML_ERROR_NO_ELEMENTS; |
---|
| 689 | if (tagLevel != startTagLevel) |
---|
| 690 | return XML_ERROR_ASYNC_ENTITY; |
---|
| 691 | return XML_ERROR_NONE; |
---|
| 692 | case XML_TOK_NONE: |
---|
| 693 | if (nextPtr) { |
---|
| 694 | *nextPtr = s; |
---|
| 695 | return XML_ERROR_NONE; |
---|
| 696 | } |
---|
| 697 | if (startTagLevel > 0) { |
---|
| 698 | if (tagLevel != startTagLevel) |
---|
| 699 | return XML_ERROR_ASYNC_ENTITY; |
---|
| 700 | return XML_ERROR_NONE; |
---|
| 701 | } |
---|
| 702 | return XML_ERROR_NO_ELEMENTS; |
---|
| 703 | case XML_TOK_INVALID: |
---|
| 704 | *eventPP = next; |
---|
| 705 | return XML_ERROR_INVALID_TOKEN; |
---|
| 706 | case XML_TOK_PARTIAL: |
---|
| 707 | if (nextPtr) { |
---|
| 708 | *nextPtr = s; |
---|
| 709 | return XML_ERROR_NONE; |
---|
| 710 | } |
---|
| 711 | return XML_ERROR_UNCLOSED_TOKEN; |
---|
| 712 | case XML_TOK_PARTIAL_CHAR: |
---|
| 713 | if (nextPtr) { |
---|
| 714 | *nextPtr = s; |
---|
| 715 | return XML_ERROR_NONE; |
---|
| 716 | } |
---|
| 717 | return XML_ERROR_PARTIAL_CHAR; |
---|
| 718 | case XML_TOK_ENTITY_REF: |
---|
| 719 | { |
---|
| 720 | const XML_Char *name; |
---|
| 721 | ENTITY *entity; |
---|
| 722 | XML_Char ch = XmlPredefinedEntityName(enc, |
---|
| 723 | s + enc->minBytesPerChar, |
---|
| 724 | next - enc->minBytesPerChar); |
---|
| 725 | if (ch) { |
---|
| 726 | if (characterDataHandler) |
---|
| 727 | characterDataHandler(handlerArg, &ch, 1); |
---|
| 728 | else if (defaultHandler) |
---|
| 729 | reportDefault(parser, enc, s, next); |
---|
| 730 | break; |
---|
| 731 | } |
---|
| 732 | name = poolStoreString(&dtd.pool, enc, |
---|
| 733 | s + enc->minBytesPerChar, |
---|
| 734 | next - enc->minBytesPerChar); |
---|
| 735 | if (!name) |
---|
| 736 | return XML_ERROR_NO_MEMORY; |
---|
| 737 | entity = (ENTITY *)lookup(&dtd.generalEntities, name, 0); |
---|
| 738 | poolDiscard(&dtd.pool); |
---|
| 739 | if (!entity) { |
---|
| 740 | if (dtd.complete || dtd.standalone) |
---|
| 741 | return XML_ERROR_UNDEFINED_ENTITY; |
---|
| 742 | if (defaultHandler) |
---|
| 743 | reportDefault(parser, enc, s, next); |
---|
| 744 | break; |
---|
| 745 | } |
---|
| 746 | if (entity->open) |
---|
| 747 | return XML_ERROR_RECURSIVE_ENTITY_REF; |
---|
| 748 | if (entity->notation) |
---|
| 749 | return XML_ERROR_BINARY_ENTITY_REF; |
---|
| 750 | if (entity) { |
---|
| 751 | if (entity->textPtr) { |
---|
| 752 | enum XML_Error result; |
---|
| 753 | OPEN_INTERNAL_ENTITY openEntity; |
---|
| 754 | if (defaultHandler && !defaultExpandInternalEntities) { |
---|
| 755 | reportDefault(parser, enc, s, next); |
---|
| 756 | break; |
---|
| 757 | } |
---|
| 758 | entity->open = 1; |
---|
| 759 | openEntity.next = openInternalEntities; |
---|
| 760 | openInternalEntities = &openEntity; |
---|
| 761 | openEntity.entity = entity; |
---|
| 762 | openEntity.internalEventPtr = 0; |
---|
| 763 | openEntity.internalEventEndPtr = 0; |
---|
| 764 | result = doContent(parser, |
---|
| 765 | tagLevel, |
---|
| 766 | internalEnc, |
---|
| 767 | (char *)entity->textPtr, |
---|
| 768 | (char *)(entity->textPtr + entity->textLen), |
---|
| 769 | 0); |
---|
| 770 | entity->open = 0; |
---|
| 771 | openInternalEntities = openEntity.next; |
---|
| 772 | if (result) |
---|
| 773 | return result; |
---|
| 774 | } |
---|
| 775 | else if (externalEntityRefHandler) { |
---|
| 776 | const XML_Char *context; |
---|
| 777 | entity->open = 1; |
---|
| 778 | context = getContext(parser); |
---|
| 779 | entity->open = 0; |
---|
| 780 | if (!context) |
---|
| 781 | return XML_ERROR_NO_MEMORY; |
---|
| 782 | if (!externalEntityRefHandler(externalEntityRefHandlerArg, |
---|
| 783 | context, |
---|
| 784 | dtd.base, |
---|
| 785 | entity->systemId, |
---|
| 786 | entity->publicId)) |
---|
| 787 | return XML_ERROR_EXTERNAL_ENTITY_HANDLING; |
---|
| 788 | poolDiscard(&tempPool); |
---|
| 789 | } |
---|
| 790 | else if (defaultHandler) |
---|
| 791 | reportDefault(parser, enc, s, next); |
---|
| 792 | } |
---|
| 793 | break; |
---|
| 794 | } |
---|
| 795 | case XML_TOK_START_TAG_WITH_ATTS: |
---|
| 796 | if (!startElementHandler) { |
---|
| 797 | enum XML_Error result = storeAtts(parser, enc, s, 0, 0); |
---|
| 798 | if (result) |
---|
| 799 | return result; |
---|
| 800 | } |
---|
| 801 | /* fall through */ |
---|
| 802 | case XML_TOK_START_TAG_NO_ATTS: |
---|
| 803 | { |
---|
| 804 | TAG *tag; |
---|
| 805 | if (freeTagList) { |
---|
| 806 | tag = freeTagList; |
---|
| 807 | freeTagList = freeTagList->parent; |
---|
| 808 | } |
---|
| 809 | else { |
---|
| 810 | tag = malloc(sizeof(TAG)); |
---|
| 811 | if (!tag) |
---|
| 812 | return XML_ERROR_NO_MEMORY; |
---|
| 813 | tag->buf = malloc(INIT_TAG_BUF_SIZE); |
---|
| 814 | if (!tag->buf) |
---|
| 815 | return XML_ERROR_NO_MEMORY; |
---|
| 816 | tag->bufEnd = tag->buf + INIT_TAG_BUF_SIZE; |
---|
| 817 | } |
---|
| 818 | tag->bindings = 0; |
---|
| 819 | tag->parent = tagStack; |
---|
| 820 | tagStack = tag; |
---|
| 821 | tag->name.localPart = 0; |
---|
| 822 | tag->rawName = s + enc->minBytesPerChar; |
---|
| 823 | tag->rawNameLength = XmlNameLength(enc, tag->rawName); |
---|
| 824 | if (nextPtr) { |
---|
| 825 | /* Need to guarantee that: |
---|
| 826 | tag->buf + ROUND_UP(tag->rawNameLength, sizeof(XML_Char)) <= tag->bufEnd - sizeof(XML_Char) */ |
---|
| 827 | if (tag->rawNameLength + (int)(sizeof(XML_Char) - 1) + (int)sizeof(XML_Char) > tag->bufEnd - tag->buf) { |
---|
| 828 | int bufSize = tag->rawNameLength * 4; |
---|
| 829 | bufSize = ROUND_UP(bufSize, sizeof(XML_Char)); |
---|
| 830 | tag->buf = realloc(tag->buf, bufSize); |
---|
| 831 | if (!tag->buf) |
---|
| 832 | return XML_ERROR_NO_MEMORY; |
---|
| 833 | tag->bufEnd = tag->buf + bufSize; |
---|
| 834 | } |
---|
| 835 | memcpy(tag->buf, tag->rawName, tag->rawNameLength); |
---|
| 836 | tag->rawName = tag->buf; |
---|
| 837 | } |
---|
| 838 | ++tagLevel; |
---|
| 839 | if (startElementHandler) { |
---|
| 840 | enum XML_Error result; |
---|
| 841 | XML_Char *toPtr; |
---|
| 842 | for (;;) { |
---|
| 843 | const char *rawNameEnd = tag->rawName + tag->rawNameLength; |
---|
| 844 | const char *fromPtr = tag->rawName; |
---|
| 845 | int bufSize; |
---|
| 846 | if (nextPtr) |
---|
| 847 | toPtr = (XML_Char *)(tag->buf + ROUND_UP(tag->rawNameLength, sizeof(XML_Char))); |
---|
| 848 | else |
---|
| 849 | toPtr = (XML_Char *)tag->buf; |
---|
| 850 | tag->name.str = toPtr; |
---|
| 851 | XmlConvert(enc, |
---|
| 852 | &fromPtr, rawNameEnd, |
---|
| 853 | (ICHAR **)&toPtr, (ICHAR *)tag->bufEnd - 1); |
---|
| 854 | if (fromPtr == rawNameEnd) |
---|
| 855 | break; |
---|
| 856 | bufSize = (tag->bufEnd - tag->buf) << 1; |
---|
| 857 | tag->buf = realloc(tag->buf, bufSize); |
---|
| 858 | if (!tag->buf) |
---|
| 859 | return XML_ERROR_NO_MEMORY; |
---|
| 860 | tag->bufEnd = tag->buf + bufSize; |
---|
| 861 | if (nextPtr) |
---|
| 862 | tag->rawName = tag->buf; |
---|
| 863 | } |
---|
| 864 | *toPtr = XML_T('\0'); |
---|
| 865 | result = storeAtts(parser, enc, s, &(tag->name), &(tag->bindings)); |
---|
| 866 | if (result) |
---|
| 867 | return result; |
---|
| 868 | startElementHandler(handlerArg, tag->name.str, (const XML_Char **)atts); |
---|
| 869 | poolClear(&tempPool); |
---|
| 870 | } |
---|
| 871 | else { |
---|
| 872 | tag->name.str = 0; |
---|
| 873 | if (defaultHandler) |
---|
| 874 | reportDefault(parser, enc, s, next); |
---|
| 875 | } |
---|
| 876 | break; |
---|
| 877 | } |
---|
| 878 | case XML_TOK_EMPTY_ELEMENT_WITH_ATTS: |
---|
| 879 | if (!startElementHandler) { |
---|
| 880 | enum XML_Error result = storeAtts(parser, enc, s, 0, 0); |
---|
| 881 | if (result) |
---|
| 882 | return result; |
---|
| 883 | } |
---|
| 884 | /* fall through */ |
---|
| 885 | case XML_TOK_EMPTY_ELEMENT_NO_ATTS: |
---|
| 886 | if (startElementHandler || endElementHandler) { |
---|
| 887 | const char *rawName = s + enc->minBytesPerChar; |
---|
| 888 | enum XML_Error result; |
---|
| 889 | BINDING *bindings = 0; |
---|
| 890 | TAG_NAME name; |
---|
| 891 | name.str = poolStoreString(&tempPool, enc, rawName, |
---|
| 892 | rawName + XmlNameLength(enc, rawName)); |
---|
| 893 | if (!name.str) |
---|
| 894 | return XML_ERROR_NO_MEMORY; |
---|
| 895 | poolFinish(&tempPool); |
---|
| 896 | result = storeAtts(parser, enc, s, &name, &bindings); |
---|
| 897 | if (result) |
---|
| 898 | return result; |
---|
| 899 | poolFinish(&tempPool); |
---|
| 900 | if (startElementHandler) |
---|
| 901 | startElementHandler(handlerArg, name.str, (const XML_Char **)atts); |
---|
| 902 | if (endElementHandler) { |
---|
| 903 | if (startElementHandler) |
---|
| 904 | *eventPP = *eventEndPP; |
---|
| 905 | endElementHandler(handlerArg, name.str); |
---|
| 906 | } |
---|
| 907 | poolClear(&tempPool); |
---|
| 908 | while (bindings) { |
---|
| 909 | BINDING *b = bindings; |
---|
| 910 | if (endNamespaceDeclHandler) |
---|
| 911 | endNamespaceDeclHandler(handlerArg, b->prefix->name); |
---|
| 912 | bindings = bindings->nextTagBinding; |
---|
| 913 | b->nextTagBinding = freeBindingList; |
---|
| 914 | freeBindingList = b; |
---|
| 915 | b->prefix->binding = b->prevPrefixBinding; |
---|
| 916 | } |
---|
| 917 | } |
---|
| 918 | else if (defaultHandler) |
---|
| 919 | reportDefault(parser, enc, s, next); |
---|
| 920 | if (tagLevel == 0) |
---|
| 921 | return epilogProcessor(parser, next, end, nextPtr); |
---|
| 922 | break; |
---|
| 923 | case XML_TOK_END_TAG: |
---|
| 924 | if (tagLevel == startTagLevel) |
---|
| 925 | return XML_ERROR_ASYNC_ENTITY; |
---|
| 926 | else { |
---|
| 927 | int len; |
---|
| 928 | const char *rawName; |
---|
| 929 | TAG *tag = tagStack; |
---|
| 930 | tagStack = tag->parent; |
---|
| 931 | tag->parent = freeTagList; |
---|
| 932 | freeTagList = tag; |
---|
| 933 | rawName = s + enc->minBytesPerChar*2; |
---|
| 934 | len = XmlNameLength(enc, rawName); |
---|
| 935 | if (len != tag->rawNameLength |
---|
| 936 | || memcmp(tag->rawName, rawName, len) != 0) { |
---|
| 937 | *eventPP = rawName; |
---|
| 938 | return XML_ERROR_TAG_MISMATCH; |
---|
| 939 | } |
---|
| 940 | --tagLevel; |
---|
| 941 | if (endElementHandler && tag->name.str) { |
---|
| 942 | if (tag->name.localPart) { |
---|
| 943 | XML_Char *to = (XML_Char *)tag->name.str + tag->name.uriLen; |
---|
| 944 | const XML_Char *from = tag->name.localPart; |
---|
| 945 | while ((*to++ = *from++) != 0) |
---|
| 946 | ; |
---|
| 947 | } |
---|
| 948 | endElementHandler(handlerArg, tag->name.str); |
---|
| 949 | } |
---|
| 950 | else if (defaultHandler) |
---|
| 951 | reportDefault(parser, enc, s, next); |
---|
| 952 | while (tag->bindings) { |
---|
| 953 | BINDING *b = tag->bindings; |
---|
| 954 | if (endNamespaceDeclHandler) |
---|
| 955 | endNamespaceDeclHandler(handlerArg, b->prefix->name); |
---|
| 956 | tag->bindings = tag->bindings->nextTagBinding; |
---|
| 957 | b->nextTagBinding = freeBindingList; |
---|
| 958 | freeBindingList = b; |
---|
| 959 | b->prefix->binding = b->prevPrefixBinding; |
---|
| 960 | } |
---|
| 961 | if (tagLevel == 0) |
---|
| 962 | return epilogProcessor(parser, next, end, nextPtr); |
---|
| 963 | } |
---|
| 964 | break; |
---|
| 965 | case XML_TOK_CHAR_REF: |
---|
| 966 | { |
---|
| 967 | int n = XmlCharRefNumber(enc, s); |
---|
| 968 | if (n < 0) |
---|
| 969 | return XML_ERROR_BAD_CHAR_REF; |
---|
| 970 | if (characterDataHandler) { |
---|
| 971 | XML_Char buf[XML_ENCODE_MAX]; |
---|
| 972 | characterDataHandler(handlerArg, buf, XmlEncode(n, (ICHAR *)buf)); |
---|
| 973 | } |
---|
| 974 | else if (defaultHandler) |
---|
| 975 | reportDefault(parser, enc, s, next); |
---|
| 976 | } |
---|
| 977 | break; |
---|
| 978 | case XML_TOK_XML_DECL: |
---|
| 979 | return XML_ERROR_MISPLACED_XML_PI; |
---|
| 980 | case XML_TOK_DATA_NEWLINE: |
---|
| 981 | if (characterDataHandler) { |
---|
| 982 | XML_Char c = 0xA; |
---|
| 983 | characterDataHandler(handlerArg, &c, 1); |
---|
| 984 | } |
---|
| 985 | else if (defaultHandler) |
---|
| 986 | reportDefault(parser, enc, s, next); |
---|
| 987 | break; |
---|
| 988 | case XML_TOK_CDATA_SECT_OPEN: |
---|
| 989 | { |
---|
| 990 | enum XML_Error result; |
---|
| 991 | if (startCdataSectionHandler) |
---|
| 992 | startCdataSectionHandler(handlerArg); |
---|
| 993 | #if 0 |
---|
| 994 | /* Suppose you doing a transformation on a document that involves |
---|
| 995 | changing only the character data. You set up a defaultHandler |
---|
| 996 | and a characterDataHandler. The defaultHandler simply copies |
---|
| 997 | characters through. The characterDataHandler does the transformation |
---|
| 998 | and writes the characters out escaping them as necessary. This case |
---|
| 999 | will fail to work if we leave out the following two lines (because & |
---|
| 1000 | and < inside CDATA sections will be incorrectly escaped). |
---|
| 1001 | |
---|
| 1002 | However, now we have a start/endCdataSectionHandler, so it seems |
---|
| 1003 | easier to let the user deal with this. */ |
---|
| 1004 | |
---|
| 1005 | else if (characterDataHandler) |
---|
| 1006 | characterDataHandler(handlerArg, dataBuf, 0); |
---|
| 1007 | #endif |
---|
| 1008 | else if (defaultHandler) |
---|
| 1009 | reportDefault(parser, enc, s, next); |
---|
| 1010 | result = doCdataSection(parser, enc, &next, end, nextPtr); |
---|
| 1011 | if (!next) { |
---|
| 1012 | processor = cdataSectionProcessor; |
---|
| 1013 | return result; |
---|
| 1014 | } |
---|
| 1015 | } |
---|
| 1016 | break; |
---|
| 1017 | case XML_TOK_TRAILING_RSQB: |
---|
| 1018 | if (nextPtr) { |
---|
| 1019 | *nextPtr = s; |
---|
| 1020 | return XML_ERROR_NONE; |
---|
| 1021 | } |
---|
| 1022 | if (characterDataHandler) { |
---|
| 1023 | if (MUST_CONVERT(enc, s)) { |
---|
| 1024 | ICHAR *dataPtr = (ICHAR *)dataBuf; |
---|
| 1025 | XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd); |
---|
| 1026 | characterDataHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf); |
---|
| 1027 | } |
---|
| 1028 | else |
---|
| 1029 | characterDataHandler(handlerArg, |
---|
| 1030 | (XML_Char *)s, |
---|
| 1031 | (XML_Char *)end - (XML_Char *)s); |
---|
| 1032 | } |
---|
| 1033 | else if (defaultHandler) |
---|
| 1034 | reportDefault(parser, enc, s, end); |
---|
| 1035 | if (startTagLevel == 0) { |
---|
| 1036 | *eventPP = end; |
---|
| 1037 | return XML_ERROR_NO_ELEMENTS; |
---|
| 1038 | } |
---|
| 1039 | if (tagLevel != startTagLevel) { |
---|
| 1040 | *eventPP = end; |
---|
| 1041 | return XML_ERROR_ASYNC_ENTITY; |
---|
| 1042 | } |
---|
| 1043 | return XML_ERROR_NONE; |
---|
| 1044 | case XML_TOK_DATA_CHARS: |
---|
| 1045 | if (characterDataHandler) { |
---|
| 1046 | if (MUST_CONVERT(enc, s)) { |
---|
| 1047 | for (;;) { |
---|
| 1048 | ICHAR *dataPtr = (ICHAR *)dataBuf; |
---|
| 1049 | XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd); |
---|
| 1050 | *eventEndPP = s; |
---|
| 1051 | characterDataHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf); |
---|
| 1052 | if (s == next) |
---|
| 1053 | break; |
---|
| 1054 | *eventPP = s; |
---|
| 1055 | } |
---|
| 1056 | } |
---|
| 1057 | else |
---|
| 1058 | characterDataHandler(handlerArg, |
---|
| 1059 | (XML_Char *)s, |
---|
| 1060 | (XML_Char *)next - (XML_Char *)s); |
---|
| 1061 | } |
---|
| 1062 | else if (defaultHandler) |
---|
| 1063 | reportDefault(parser, enc, s, next); |
---|
| 1064 | break; |
---|
| 1065 | case XML_TOK_PI: |
---|
| 1066 | if (!reportProcessingInstruction(parser, enc, s, next)) |
---|
| 1067 | return XML_ERROR_NO_MEMORY; |
---|
| 1068 | break; |
---|
| 1069 | case XML_TOK_COMMENT: |
---|
| 1070 | if (!reportComment(parser, enc, s, next)) |
---|
| 1071 | return XML_ERROR_NO_MEMORY; |
---|
| 1072 | break; |
---|
| 1073 | default: |
---|
| 1074 | if (defaultHandler) |
---|
| 1075 | reportDefault(parser, enc, s, next); |
---|
| 1076 | break; |
---|
| 1077 | } |
---|
| 1078 | *eventPP = s = next; |
---|
| 1079 | } |
---|
| 1080 | /* not reached */ |
---|
| 1081 | } |
---|
| 1082 | |
---|
| 1083 | /* If tagNamePtr is non-null, build a real list of attributes, |
---|
| 1084 | otherwise just check the attributes for well-formedness. */ |
---|
| 1085 | |
---|
| 1086 | static enum XML_Error storeAtts(XML_Parser parser, const ENCODING *enc, |
---|
| 1087 | const char *s, TAG_NAME *tagNamePtr, |
---|
| 1088 | BINDING **bindingsPtr) |
---|
| 1089 | { |
---|
| 1090 | ELEMENT_TYPE *elementType = 0; |
---|
| 1091 | int nDefaultAtts = 0; |
---|
| 1092 | const XML_Char **appAtts; |
---|
| 1093 | int attIndex = 0; |
---|
| 1094 | int i; |
---|
| 1095 | int n; |
---|
| 1096 | int nPrefixes = 0; |
---|
| 1097 | BINDING *binding; |
---|
| 1098 | const XML_Char *localPart; |
---|
| 1099 | |
---|
| 1100 | if (tagNamePtr) { |
---|
| 1101 | elementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, tagNamePtr->str, 0); |
---|
| 1102 | if (!elementType) { |
---|
| 1103 | tagNamePtr->str = poolCopyString(&dtd.pool, tagNamePtr->str); |
---|
| 1104 | if (!tagNamePtr->str) |
---|
| 1105 | return XML_ERROR_NO_MEMORY; |
---|
| 1106 | elementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, tagNamePtr->str, sizeof(ELEMENT_TYPE)); |
---|
| 1107 | if (!elementType) |
---|
| 1108 | return XML_ERROR_NO_MEMORY; |
---|
| 1109 | if (ns && !setElementTypePrefix(parser, elementType)) |
---|
| 1110 | return XML_ERROR_NO_MEMORY; |
---|
| 1111 | } |
---|
| 1112 | nDefaultAtts = elementType->nDefaultAtts; |
---|
| 1113 | } |
---|
| 1114 | n = XmlGetAttributes(enc, s, attsSize, atts); |
---|
| 1115 | if (n + nDefaultAtts > attsSize) { |
---|
| 1116 | int oldAttsSize = attsSize; |
---|
| 1117 | attsSize = n + nDefaultAtts + INIT_ATTS_SIZE; |
---|
| 1118 | atts = realloc((void *)atts, attsSize * sizeof(ATTRIBUTE)); |
---|
| 1119 | if (!atts) |
---|
| 1120 | return XML_ERROR_NO_MEMORY; |
---|
| 1121 | if (n > oldAttsSize) |
---|
| 1122 | XmlGetAttributes(enc, s, n, atts); |
---|
| 1123 | } |
---|
| 1124 | appAtts = (const XML_Char **)atts; |
---|
| 1125 | for (i = 0; i < n; i++) { |
---|
| 1126 | ATTRIBUTE_ID *attId = getAttributeId(parser, enc, atts[i].name, |
---|
| 1127 | atts[i].name |
---|
| 1128 | + XmlNameLength(enc, atts[i].name)); |
---|
| 1129 | if (!attId) |
---|
| 1130 | return XML_ERROR_NO_MEMORY; |
---|
| 1131 | if ((attId->name)[-1]) { |
---|
| 1132 | if (enc == encoding) |
---|
| 1133 | eventPtr = atts[i].name; |
---|
| 1134 | return XML_ERROR_DUPLICATE_ATTRIBUTE; |
---|
| 1135 | } |
---|
| 1136 | (attId->name)[-1] = 1; |
---|
| 1137 | appAtts[attIndex++] = attId->name; |
---|
| 1138 | if (!atts[i].normalized) { |
---|
| 1139 | enum XML_Error result; |
---|
| 1140 | int isCdata = 1; |
---|
| 1141 | |
---|
| 1142 | if (attId->maybeTokenized) { |
---|
| 1143 | int j; |
---|
| 1144 | for (j = 0; j < nDefaultAtts; j++) { |
---|
| 1145 | if (attId == elementType->defaultAtts[j].id) { |
---|
| 1146 | isCdata = elementType->defaultAtts[j].isCdata; |
---|
| 1147 | break; |
---|
| 1148 | } |
---|
| 1149 | } |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | result = storeAttributeValue(parser, enc, isCdata, |
---|
| 1153 | atts[i].valuePtr, atts[i].valueEnd, |
---|
| 1154 | &tempPool); |
---|
| 1155 | if (result) |
---|
| 1156 | return result; |
---|
| 1157 | if (tagNamePtr) { |
---|
| 1158 | appAtts[attIndex] = poolStart(&tempPool); |
---|
| 1159 | poolFinish(&tempPool); |
---|
| 1160 | } |
---|
| 1161 | else |
---|
| 1162 | poolDiscard(&tempPool); |
---|
| 1163 | } |
---|
| 1164 | else if (tagNamePtr) { |
---|
| 1165 | appAtts[attIndex] = poolStoreString(&tempPool, enc, atts[i].valuePtr, atts[i].valueEnd); |
---|
| 1166 | if (appAtts[attIndex] == 0) |
---|
| 1167 | return XML_ERROR_NO_MEMORY; |
---|
| 1168 | poolFinish(&tempPool); |
---|
| 1169 | } |
---|
| 1170 | if (attId->prefix && tagNamePtr) { |
---|
| 1171 | if (attId->xmlns) { |
---|
| 1172 | if (!addBinding(parser, attId->prefix, attId, appAtts[attIndex], bindingsPtr)) |
---|
| 1173 | return XML_ERROR_NO_MEMORY; |
---|
| 1174 | --attIndex; |
---|
| 1175 | } |
---|
| 1176 | else { |
---|
| 1177 | attIndex++; |
---|
| 1178 | nPrefixes++; |
---|
| 1179 | (attId->name)[-1] = 2; |
---|
| 1180 | } |
---|
| 1181 | } |
---|
| 1182 | else |
---|
| 1183 | attIndex++; |
---|
| 1184 | } |
---|
| 1185 | nSpecifiedAtts = attIndex; |
---|
| 1186 | if (tagNamePtr) { |
---|
| 1187 | int j; |
---|
| 1188 | for (j = 0; j < nDefaultAtts; j++) { |
---|
| 1189 | const DEFAULT_ATTRIBUTE *da = elementType->defaultAtts + j; |
---|
| 1190 | if (!(da->id->name)[-1] && da->value) { |
---|
| 1191 | if (da->id->prefix) { |
---|
| 1192 | if (da->id->xmlns) { |
---|
| 1193 | if (!addBinding(parser, da->id->prefix, da->id, da->value, bindingsPtr)) |
---|
| 1194 | return XML_ERROR_NO_MEMORY; |
---|
| 1195 | } |
---|
| 1196 | else { |
---|
| 1197 | (da->id->name)[-1] = 2; |
---|
| 1198 | nPrefixes++; |
---|
| 1199 | appAtts[attIndex++] = da->id->name; |
---|
| 1200 | appAtts[attIndex++] = da->value; |
---|
| 1201 | } |
---|
| 1202 | } |
---|
| 1203 | else { |
---|
| 1204 | (da->id->name)[-1] = 1; |
---|
| 1205 | appAtts[attIndex++] = da->id->name; |
---|
| 1206 | appAtts[attIndex++] = da->value; |
---|
| 1207 | } |
---|
| 1208 | } |
---|
| 1209 | } |
---|
| 1210 | appAtts[attIndex] = 0; |
---|
| 1211 | } |
---|
| 1212 | i = 0; |
---|
| 1213 | if (nPrefixes) { |
---|
| 1214 | for (; i < attIndex; i += 2) { |
---|
| 1215 | if (appAtts[i][-1] == 2) { |
---|
| 1216 | ATTRIBUTE_ID *id; |
---|
| 1217 | ((XML_Char *)(appAtts[i]))[-1] = 0; |
---|
| 1218 | id = (ATTRIBUTE_ID *)lookup(&dtd.attributeIds, appAtts[i], 0); |
---|
| 1219 | if (id->prefix->binding) { |
---|
| 1220 | int j; |
---|
| 1221 | const BINDING *b = id->prefix->binding; |
---|
| 1222 | const XML_Char *s = appAtts[i]; |
---|
| 1223 | for (j = 0; j < b->uriLen; j++) { |
---|
| 1224 | if (!poolAppendChar(&tempPool, b->uri[j])) |
---|
| 1225 | return XML_ERROR_NO_MEMORY; |
---|
| 1226 | } |
---|
| 1227 | while (*s++ != ':') |
---|
| 1228 | ; |
---|
| 1229 | do { |
---|
| 1230 | if (!poolAppendChar(&tempPool, *s)) |
---|
| 1231 | return XML_ERROR_NO_MEMORY; |
---|
| 1232 | } while (*s++); |
---|
| 1233 | appAtts[i] = poolStart(&tempPool); |
---|
| 1234 | poolFinish(&tempPool); |
---|
| 1235 | } |
---|
| 1236 | if (!--nPrefixes) |
---|
| 1237 | break; |
---|
| 1238 | } |
---|
| 1239 | else |
---|
| 1240 | ((XML_Char *)(appAtts[i]))[-1] = 0; |
---|
| 1241 | } |
---|
| 1242 | } |
---|
| 1243 | for (; i < attIndex; i += 2) |
---|
| 1244 | ((XML_Char *)(appAtts[i]))[-1] = 0; |
---|
| 1245 | if (!tagNamePtr) |
---|
| 1246 | return XML_ERROR_NONE; |
---|
| 1247 | for (binding = *bindingsPtr; binding; binding = binding->nextTagBinding) |
---|
| 1248 | binding->attId->name[-1] = 0; |
---|
| 1249 | if (elementType->prefix) { |
---|
| 1250 | binding = elementType->prefix->binding; |
---|
| 1251 | if (!binding) |
---|
| 1252 | return XML_ERROR_NONE; |
---|
| 1253 | localPart = tagNamePtr->str; |
---|
| 1254 | while (*localPart++ != XML_T(':')) |
---|
| 1255 | ; |
---|
| 1256 | } |
---|
| 1257 | else if (dtd.defaultPrefix.binding) { |
---|
| 1258 | binding = dtd.defaultPrefix.binding; |
---|
| 1259 | localPart = tagNamePtr->str; |
---|
| 1260 | } |
---|
| 1261 | else |
---|
| 1262 | return XML_ERROR_NONE; |
---|
| 1263 | tagNamePtr->localPart = localPart; |
---|
| 1264 | tagNamePtr->uriLen = binding->uriLen; |
---|
| 1265 | i = binding->uriLen; |
---|
| 1266 | do { |
---|
| 1267 | if (i == binding->uriAlloc) { |
---|
| 1268 | binding->uri = realloc(binding->uri, binding->uriAlloc *= 2); |
---|
| 1269 | if (!binding->uri) |
---|
| 1270 | return XML_ERROR_NO_MEMORY; |
---|
| 1271 | } |
---|
| 1272 | binding->uri[i++] = *localPart; |
---|
| 1273 | } while (*localPart++); |
---|
| 1274 | tagNamePtr->str = binding->uri; |
---|
| 1275 | return XML_ERROR_NONE; |
---|
| 1276 | } |
---|
| 1277 | |
---|
| 1278 | static |
---|
| 1279 | int addBinding(XML_Parser parser, PREFIX *prefix, const ATTRIBUTE_ID *attId, const XML_Char *uri, BINDING **bindingsPtr) |
---|
| 1280 | { |
---|
| 1281 | BINDING *b; |
---|
| 1282 | int len; |
---|
| 1283 | for (len = 0; uri[len]; len++) |
---|
| 1284 | ; |
---|
| 1285 | if (namespaceSeparator) |
---|
| 1286 | len++; |
---|
| 1287 | if (freeBindingList) { |
---|
| 1288 | b = freeBindingList; |
---|
| 1289 | if (len > b->uriAlloc) { |
---|
| 1290 | b->uri = realloc(b->uri, len + EXPAND_SPARE); |
---|
| 1291 | if (!b->uri) |
---|
| 1292 | return 0; |
---|
| 1293 | b->uriAlloc = len + EXPAND_SPARE; |
---|
| 1294 | } |
---|
| 1295 | freeBindingList = b->nextTagBinding; |
---|
| 1296 | } |
---|
| 1297 | else { |
---|
| 1298 | b = malloc(sizeof(BINDING)); |
---|
| 1299 | if (!b) |
---|
| 1300 | return 0; |
---|
| 1301 | b->uri = malloc(sizeof(XML_Char) * len + EXPAND_SPARE); |
---|
| 1302 | if (!b->uri) { |
---|
| 1303 | g_free(b); |
---|
| 1304 | return 0; |
---|
| 1305 | } |
---|
| 1306 | b->uriAlloc = len; |
---|
| 1307 | } |
---|
| 1308 | b->uriLen = len; |
---|
| 1309 | memcpy(b->uri, uri, len * sizeof(XML_Char)); |
---|
| 1310 | if (namespaceSeparator) |
---|
| 1311 | b->uri[len - 1] = namespaceSeparator; |
---|
| 1312 | b->prefix = prefix; |
---|
| 1313 | b->attId = attId; |
---|
| 1314 | b->prevPrefixBinding = prefix->binding; |
---|
| 1315 | if (*uri == XML_T('\0') && prefix == &dtd.defaultPrefix) |
---|
| 1316 | prefix->binding = 0; |
---|
| 1317 | else |
---|
| 1318 | prefix->binding = b; |
---|
| 1319 | b->nextTagBinding = *bindingsPtr; |
---|
| 1320 | *bindingsPtr = b; |
---|
| 1321 | if (startNamespaceDeclHandler) |
---|
| 1322 | startNamespaceDeclHandler(handlerArg, prefix->name, |
---|
| 1323 | prefix->binding ? uri : 0); |
---|
| 1324 | return 1; |
---|
| 1325 | } |
---|
| 1326 | |
---|
| 1327 | /* The idea here is to avoid using stack for each CDATA section when |
---|
| 1328 | the whole file is parsed with one call. */ |
---|
| 1329 | |
---|
| 1330 | static |
---|
| 1331 | enum XML_Error cdataSectionProcessor(XML_Parser parser, |
---|
| 1332 | const char *start, |
---|
| 1333 | const char *end, |
---|
| 1334 | const char **endPtr) |
---|
| 1335 | { |
---|
| 1336 | enum XML_Error result = doCdataSection(parser, encoding, &start, end, endPtr); |
---|
| 1337 | if (start) { |
---|
| 1338 | processor = contentProcessor; |
---|
| 1339 | return contentProcessor(parser, start, end, endPtr); |
---|
| 1340 | } |
---|
| 1341 | return result; |
---|
| 1342 | } |
---|
| 1343 | |
---|
| 1344 | /* startPtr gets set to non-null is the section is closed, and to null if |
---|
| 1345 | the section is not yet closed. */ |
---|
| 1346 | |
---|
| 1347 | static |
---|
| 1348 | enum XML_Error doCdataSection(XML_Parser parser, |
---|
| 1349 | const ENCODING *enc, |
---|
| 1350 | const char **startPtr, |
---|
| 1351 | const char *end, |
---|
| 1352 | const char **nextPtr) |
---|
| 1353 | { |
---|
| 1354 | const char *s = *startPtr; |
---|
| 1355 | const char **eventPP; |
---|
| 1356 | const char **eventEndPP; |
---|
| 1357 | if (enc == encoding) { |
---|
| 1358 | eventPP = &eventPtr; |
---|
| 1359 | *eventPP = s; |
---|
| 1360 | eventEndPP = &eventEndPtr; |
---|
| 1361 | } |
---|
| 1362 | else { |
---|
| 1363 | eventPP = &(openInternalEntities->internalEventPtr); |
---|
| 1364 | eventEndPP = &(openInternalEntities->internalEventEndPtr); |
---|
| 1365 | } |
---|
| 1366 | *eventPP = s; |
---|
| 1367 | *startPtr = 0; |
---|
| 1368 | for (;;) { |
---|
| 1369 | const char *next; |
---|
| 1370 | int tok = XmlCdataSectionTok(enc, s, end, &next); |
---|
| 1371 | *eventEndPP = next; |
---|
| 1372 | switch (tok) { |
---|
| 1373 | case XML_TOK_CDATA_SECT_CLOSE: |
---|
| 1374 | if (endCdataSectionHandler) |
---|
| 1375 | endCdataSectionHandler(handlerArg); |
---|
| 1376 | #if 0 |
---|
| 1377 | /* see comment under XML_TOK_CDATA_SECT_OPEN */ |
---|
| 1378 | else if (characterDataHandler) |
---|
| 1379 | characterDataHandler(handlerArg, dataBuf, 0); |
---|
| 1380 | #endif |
---|
| 1381 | else if (defaultHandler) |
---|
| 1382 | reportDefault(parser, enc, s, next); |
---|
| 1383 | *startPtr = next; |
---|
| 1384 | return XML_ERROR_NONE; |
---|
| 1385 | case XML_TOK_DATA_NEWLINE: |
---|
| 1386 | if (characterDataHandler) { |
---|
| 1387 | XML_Char c = 0xA; |
---|
| 1388 | characterDataHandler(handlerArg, &c, 1); |
---|
| 1389 | } |
---|
| 1390 | else if (defaultHandler) |
---|
| 1391 | reportDefault(parser, enc, s, next); |
---|
| 1392 | break; |
---|
| 1393 | case XML_TOK_DATA_CHARS: |
---|
| 1394 | if (characterDataHandler) { |
---|
| 1395 | if (MUST_CONVERT(enc, s)) { |
---|
| 1396 | for (;;) { |
---|
| 1397 | ICHAR *dataPtr = (ICHAR *)dataBuf; |
---|
| 1398 | XmlConvert(enc, &s, next, &dataPtr, (ICHAR *)dataBufEnd); |
---|
| 1399 | *eventEndPP = next; |
---|
| 1400 | characterDataHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf); |
---|
| 1401 | if (s == next) |
---|
| 1402 | break; |
---|
| 1403 | *eventPP = s; |
---|
| 1404 | } |
---|
| 1405 | } |
---|
| 1406 | else |
---|
| 1407 | characterDataHandler(handlerArg, |
---|
| 1408 | (XML_Char *)s, |
---|
| 1409 | (XML_Char *)next - (XML_Char *)s); |
---|
| 1410 | } |
---|
| 1411 | else if (defaultHandler) |
---|
| 1412 | reportDefault(parser, enc, s, next); |
---|
| 1413 | break; |
---|
| 1414 | case XML_TOK_INVALID: |
---|
| 1415 | *eventPP = next; |
---|
| 1416 | return XML_ERROR_INVALID_TOKEN; |
---|
| 1417 | case XML_TOK_PARTIAL_CHAR: |
---|
| 1418 | if (nextPtr) { |
---|
| 1419 | *nextPtr = s; |
---|
| 1420 | return XML_ERROR_NONE; |
---|
| 1421 | } |
---|
| 1422 | return XML_ERROR_PARTIAL_CHAR; |
---|
| 1423 | case XML_TOK_PARTIAL: |
---|
| 1424 | case XML_TOK_NONE: |
---|
| 1425 | if (nextPtr) { |
---|
| 1426 | *nextPtr = s; |
---|
| 1427 | return XML_ERROR_NONE; |
---|
| 1428 | } |
---|
| 1429 | return XML_ERROR_UNCLOSED_CDATA_SECTION; |
---|
| 1430 | default: |
---|
| 1431 | abort(); |
---|
| 1432 | } |
---|
| 1433 | *eventPP = s = next; |
---|
| 1434 | } |
---|
| 1435 | /* not reached */ |
---|
| 1436 | } |
---|
| 1437 | |
---|
| 1438 | static enum XML_Error |
---|
| 1439 | initializeEncoding(XML_Parser parser) |
---|
| 1440 | { |
---|
| 1441 | const char *s; |
---|
| 1442 | #ifdef XML_UNICODE |
---|
| 1443 | char encodingBuf[128]; |
---|
| 1444 | if (!protocolEncodingName) |
---|
| 1445 | s = 0; |
---|
| 1446 | else { |
---|
| 1447 | int i; |
---|
| 1448 | for (i = 0; protocolEncodingName[i]; i++) { |
---|
| 1449 | if (i == sizeof(encodingBuf) - 1 |
---|
| 1450 | || protocolEncodingName[i] >= 0x80 |
---|
| 1451 | || protocolEncodingName[i] < 0) { |
---|
| 1452 | encodingBuf[0] = '\0'; |
---|
| 1453 | break; |
---|
| 1454 | } |
---|
| 1455 | encodingBuf[i] = (char)protocolEncodingName[i]; |
---|
| 1456 | } |
---|
| 1457 | encodingBuf[i] = '\0'; |
---|
| 1458 | s = encodingBuf; |
---|
| 1459 | } |
---|
| 1460 | #else |
---|
| 1461 | s = protocolEncodingName; |
---|
| 1462 | #endif |
---|
| 1463 | if ((ns ? XmlInitEncodingNS : XmlInitEncoding)(&initEncoding, &encoding, s)) |
---|
| 1464 | return XML_ERROR_NONE; |
---|
| 1465 | return handleUnknownEncoding(parser, protocolEncodingName); |
---|
| 1466 | } |
---|
| 1467 | |
---|
| 1468 | static enum XML_Error |
---|
| 1469 | processXmlDecl(XML_Parser parser, int isGeneralTextEntity, |
---|
| 1470 | const char *s, const char *next) |
---|
| 1471 | { |
---|
| 1472 | const char *encodingName = 0; |
---|
| 1473 | const ENCODING *newEncoding = 0; |
---|
| 1474 | const char *version; |
---|
| 1475 | int standalone = -1; |
---|
| 1476 | if (!(ns |
---|
| 1477 | ? XmlParseXmlDeclNS |
---|
| 1478 | : XmlParseXmlDecl)(isGeneralTextEntity, |
---|
| 1479 | encoding, |
---|
| 1480 | s, |
---|
| 1481 | next, |
---|
| 1482 | &eventPtr, |
---|
| 1483 | &version, |
---|
| 1484 | &encodingName, |
---|
| 1485 | &newEncoding, |
---|
| 1486 | &standalone)) |
---|
| 1487 | return XML_ERROR_SYNTAX; |
---|
| 1488 | if (!isGeneralTextEntity && standalone == 1) |
---|
| 1489 | dtd.standalone = 1; |
---|
| 1490 | if (defaultHandler) |
---|
| 1491 | reportDefault(parser, encoding, s, next); |
---|
| 1492 | if (!protocolEncodingName) { |
---|
| 1493 | if (newEncoding) { |
---|
| 1494 | if (newEncoding->minBytesPerChar != encoding->minBytesPerChar) { |
---|
| 1495 | eventPtr = encodingName; |
---|
| 1496 | return XML_ERROR_INCORRECT_ENCODING; |
---|
| 1497 | } |
---|
| 1498 | encoding = newEncoding; |
---|
| 1499 | } |
---|
| 1500 | else if (encodingName) { |
---|
| 1501 | enum XML_Error result; |
---|
| 1502 | const XML_Char *s = poolStoreString(&tempPool, |
---|
| 1503 | encoding, |
---|
| 1504 | encodingName, |
---|
| 1505 | encodingName |
---|
| 1506 | + XmlNameLength(encoding, encodingName)); |
---|
| 1507 | if (!s) |
---|
| 1508 | return XML_ERROR_NO_MEMORY; |
---|
| 1509 | result = handleUnknownEncoding(parser, s); |
---|
| 1510 | poolDiscard(&tempPool); |
---|
| 1511 | if (result == XML_ERROR_UNKNOWN_ENCODING) |
---|
| 1512 | eventPtr = encodingName; |
---|
| 1513 | return result; |
---|
| 1514 | } |
---|
| 1515 | } |
---|
| 1516 | return XML_ERROR_NONE; |
---|
| 1517 | } |
---|
| 1518 | |
---|
| 1519 | static enum XML_Error |
---|
| 1520 | handleUnknownEncoding(XML_Parser parser, const XML_Char *encodingName) |
---|
| 1521 | { |
---|
| 1522 | if (unknownEncodingHandler) { |
---|
| 1523 | XML_Encoding info; |
---|
| 1524 | int i; |
---|
| 1525 | for (i = 0; i < 256; i++) |
---|
| 1526 | info.map[i] = -1; |
---|
| 1527 | info.convert = 0; |
---|
| 1528 | info.data = 0; |
---|
| 1529 | info.release = 0; |
---|
| 1530 | if (unknownEncodingHandler(unknownEncodingHandlerData, encodingName, &info)) { |
---|
| 1531 | ENCODING *enc; |
---|
| 1532 | unknownEncodingMem = malloc(XmlSizeOfUnknownEncoding()); |
---|
| 1533 | if (!unknownEncodingMem) { |
---|
| 1534 | if (info.release) |
---|
| 1535 | info.release(info.data); |
---|
| 1536 | return XML_ERROR_NO_MEMORY; |
---|
| 1537 | } |
---|
| 1538 | enc = (ns |
---|
| 1539 | ? XmlInitUnknownEncodingNS |
---|
| 1540 | : XmlInitUnknownEncoding)(unknownEncodingMem, |
---|
| 1541 | info.map, |
---|
| 1542 | info.convert, |
---|
| 1543 | info.data); |
---|
| 1544 | if (enc) { |
---|
| 1545 | unknownEncodingData = info.data; |
---|
| 1546 | unknownEncodingRelease = info.release; |
---|
| 1547 | encoding = enc; |
---|
| 1548 | return XML_ERROR_NONE; |
---|
| 1549 | } |
---|
| 1550 | } |
---|
| 1551 | if (info.release) |
---|
| 1552 | info.release(info.data); |
---|
| 1553 | } |
---|
| 1554 | return XML_ERROR_UNKNOWN_ENCODING; |
---|
| 1555 | } |
---|
| 1556 | |
---|
| 1557 | static enum XML_Error |
---|
| 1558 | prologInitProcessor(XML_Parser parser, |
---|
| 1559 | const char *s, |
---|
| 1560 | const char *end, |
---|
| 1561 | const char **nextPtr) |
---|
| 1562 | { |
---|
| 1563 | enum XML_Error result = initializeEncoding(parser); |
---|
| 1564 | if (result != XML_ERROR_NONE) |
---|
| 1565 | return result; |
---|
| 1566 | processor = prologProcessor; |
---|
| 1567 | return prologProcessor(parser, s, end, nextPtr); |
---|
| 1568 | } |
---|
| 1569 | |
---|
| 1570 | static enum XML_Error |
---|
| 1571 | prologProcessor(XML_Parser parser, |
---|
| 1572 | const char *s, |
---|
| 1573 | const char *end, |
---|
| 1574 | const char **nextPtr) |
---|
| 1575 | { |
---|
| 1576 | for (;;) { |
---|
| 1577 | const char *next; |
---|
| 1578 | int tok = XmlPrologTok(encoding, s, end, &next); |
---|
| 1579 | if (tok <= 0) { |
---|
| 1580 | if (nextPtr != 0 && tok != XML_TOK_INVALID) { |
---|
| 1581 | *nextPtr = s; |
---|
| 1582 | return XML_ERROR_NONE; |
---|
| 1583 | } |
---|
| 1584 | switch (tok) { |
---|
| 1585 | case XML_TOK_INVALID: |
---|
| 1586 | eventPtr = next; |
---|
| 1587 | return XML_ERROR_INVALID_TOKEN; |
---|
| 1588 | case XML_TOK_NONE: |
---|
| 1589 | return XML_ERROR_NO_ELEMENTS; |
---|
| 1590 | case XML_TOK_PARTIAL: |
---|
| 1591 | return XML_ERROR_UNCLOSED_TOKEN; |
---|
| 1592 | case XML_TOK_PARTIAL_CHAR: |
---|
| 1593 | return XML_ERROR_PARTIAL_CHAR; |
---|
| 1594 | case XML_TOK_TRAILING_CR: |
---|
| 1595 | eventPtr = s + encoding->minBytesPerChar; |
---|
| 1596 | return XML_ERROR_NO_ELEMENTS; |
---|
| 1597 | default: |
---|
| 1598 | abort(); |
---|
| 1599 | } |
---|
| 1600 | } |
---|
| 1601 | switch (XmlTokenRole(&prologState, tok, s, next, encoding)) { |
---|
| 1602 | case XML_ROLE_XML_DECL: |
---|
| 1603 | { |
---|
| 1604 | enum XML_Error result = processXmlDecl(parser, 0, s, next); |
---|
| 1605 | if (result != XML_ERROR_NONE) |
---|
| 1606 | return result; |
---|
| 1607 | } |
---|
| 1608 | break; |
---|
| 1609 | case XML_ROLE_DOCTYPE_SYSTEM_ID: |
---|
| 1610 | if (!dtd.standalone |
---|
| 1611 | && notStandaloneHandler |
---|
| 1612 | && !notStandaloneHandler(handlerArg)) |
---|
| 1613 | return XML_ERROR_NOT_STANDALONE; |
---|
| 1614 | hadExternalDoctype = 1; |
---|
| 1615 | break; |
---|
| 1616 | case XML_ROLE_DOCTYPE_PUBLIC_ID: |
---|
| 1617 | case XML_ROLE_ENTITY_PUBLIC_ID: |
---|
| 1618 | if (!XmlIsPublicId(encoding, s, next, &eventPtr)) |
---|
| 1619 | return XML_ERROR_SYNTAX; |
---|
| 1620 | if (declEntity) { |
---|
| 1621 | XML_Char *tem = poolStoreString(&dtd.pool, |
---|
| 1622 | encoding, |
---|
| 1623 | s + encoding->minBytesPerChar, |
---|
| 1624 | next - encoding->minBytesPerChar); |
---|
| 1625 | if (!tem) |
---|
| 1626 | return XML_ERROR_NO_MEMORY; |
---|
| 1627 | normalizePublicId(tem); |
---|
| 1628 | declEntity->publicId = tem; |
---|
| 1629 | poolFinish(&dtd.pool); |
---|
| 1630 | } |
---|
| 1631 | break; |
---|
| 1632 | case XML_ROLE_INSTANCE_START: |
---|
| 1633 | processor = contentProcessor; |
---|
| 1634 | if (hadExternalDoctype) |
---|
| 1635 | dtd.complete = 0; |
---|
| 1636 | return contentProcessor(parser, s, end, nextPtr); |
---|
| 1637 | case XML_ROLE_ATTLIST_ELEMENT_NAME: |
---|
| 1638 | { |
---|
| 1639 | const XML_Char *name = poolStoreString(&dtd.pool, encoding, s, next); |
---|
| 1640 | if (!name) |
---|
| 1641 | return XML_ERROR_NO_MEMORY; |
---|
| 1642 | declElementType = (ELEMENT_TYPE *)lookup(&dtd.elementTypes, name, sizeof(ELEMENT_TYPE)); |
---|
| 1643 | if (!declElementType) |
---|
| 1644 | return XML_ERROR_NO_MEMORY; |
---|
| 1645 | if (declElementType->name != name) |
---|
| 1646 | poolDiscard(&dtd.pool); |
---|
| 1647 | else { |
---|
| 1648 | poolFinish(&dtd.pool); |
---|
| 1649 | if (!setElementTypePrefix(parser, declElementType)) |
---|
| 1650 | return XML_ERROR_NO_MEMORY; |
---|
| 1651 | } |
---|
| 1652 | break; |
---|
| 1653 | } |
---|
| 1654 | case XML_ROLE_ATTRIBUTE_NAME: |
---|
| 1655 | declAttributeId = getAttributeId(parser, encoding, s, next); |
---|
| 1656 | if (!declAttributeId) |
---|
| 1657 | return XML_ERROR_NO_MEMORY; |
---|
| 1658 | declAttributeIsCdata = 0; |
---|
| 1659 | break; |
---|
| 1660 | case XML_ROLE_ATTRIBUTE_TYPE_CDATA: |
---|
| 1661 | declAttributeIsCdata = 1; |
---|
| 1662 | break; |
---|
| 1663 | case XML_ROLE_IMPLIED_ATTRIBUTE_VALUE: |
---|
| 1664 | case XML_ROLE_REQUIRED_ATTRIBUTE_VALUE: |
---|
| 1665 | if (dtd.complete |
---|
| 1666 | && !defineAttribute(declElementType, declAttributeId, declAttributeIsCdata, 0)) |
---|
| 1667 | return XML_ERROR_NO_MEMORY; |
---|
| 1668 | break; |
---|
| 1669 | case XML_ROLE_DEFAULT_ATTRIBUTE_VALUE: |
---|
| 1670 | case XML_ROLE_FIXED_ATTRIBUTE_VALUE: |
---|
| 1671 | { |
---|
| 1672 | const XML_Char *attVal; |
---|
| 1673 | enum XML_Error result |
---|
| 1674 | = storeAttributeValue(parser, encoding, declAttributeIsCdata, |
---|
| 1675 | s + encoding->minBytesPerChar, |
---|
| 1676 | next - encoding->minBytesPerChar, |
---|
| 1677 | &dtd.pool); |
---|
| 1678 | if (result) |
---|
| 1679 | return result; |
---|
| 1680 | attVal = poolStart(&dtd.pool); |
---|
| 1681 | poolFinish(&dtd.pool); |
---|
| 1682 | if (dtd.complete |
---|
| 1683 | && !defineAttribute(declElementType, declAttributeId, declAttributeIsCdata, attVal)) |
---|
| 1684 | return XML_ERROR_NO_MEMORY; |
---|
| 1685 | break; |
---|
| 1686 | } |
---|
| 1687 | case XML_ROLE_ENTITY_VALUE: |
---|
| 1688 | { |
---|
| 1689 | enum XML_Error result = storeEntityValue(parser, s, next); |
---|
| 1690 | if (result != XML_ERROR_NONE) |
---|
| 1691 | return result; |
---|
| 1692 | } |
---|
| 1693 | break; |
---|
| 1694 | case XML_ROLE_ENTITY_SYSTEM_ID: |
---|
| 1695 | if (declEntity) { |
---|
| 1696 | declEntity->systemId = poolStoreString(&dtd.pool, encoding, |
---|
| 1697 | s + encoding->minBytesPerChar, |
---|
| 1698 | next - encoding->minBytesPerChar); |
---|
| 1699 | if (!declEntity->systemId) |
---|
| 1700 | return XML_ERROR_NO_MEMORY; |
---|
| 1701 | declEntity->base = dtd.base; |
---|
| 1702 | poolFinish(&dtd.pool); |
---|
| 1703 | } |
---|
| 1704 | break; |
---|
| 1705 | case XML_ROLE_ENTITY_NOTATION_NAME: |
---|
| 1706 | if (declEntity) { |
---|
| 1707 | declEntity->notation = poolStoreString(&dtd.pool, encoding, s, next); |
---|
| 1708 | if (!declEntity->notation) |
---|
| 1709 | return XML_ERROR_NO_MEMORY; |
---|
| 1710 | poolFinish(&dtd.pool); |
---|
| 1711 | if (unparsedEntityDeclHandler) { |
---|
| 1712 | eventPtr = eventEndPtr = s; |
---|
| 1713 | unparsedEntityDeclHandler(handlerArg, |
---|
| 1714 | declEntity->name, |
---|
| 1715 | declEntity->base, |
---|
| 1716 | declEntity->systemId, |
---|
| 1717 | declEntity->publicId, |
---|
| 1718 | declEntity->notation); |
---|
| 1719 | } |
---|
| 1720 | |
---|
| 1721 | } |
---|
| 1722 | break; |
---|
| 1723 | case XML_ROLE_GENERAL_ENTITY_NAME: |
---|
| 1724 | { |
---|
| 1725 | const XML_Char *name; |
---|
| 1726 | if (XmlPredefinedEntityName(encoding, s, next)) { |
---|
| 1727 | declEntity = 0; |
---|
| 1728 | break; |
---|
| 1729 | } |
---|
| 1730 | name = poolStoreString(&dtd.pool, encoding, s, next); |
---|
| 1731 | if (!name) |
---|
| 1732 | return XML_ERROR_NO_MEMORY; |
---|
| 1733 | if (dtd.complete) { |
---|
| 1734 | declEntity = (ENTITY *)lookup(&dtd.generalEntities, name, sizeof(ENTITY)); |
---|
| 1735 | if (!declEntity) |
---|
| 1736 | return XML_ERROR_NO_MEMORY; |
---|
| 1737 | if (declEntity->name != name) { |
---|
| 1738 | poolDiscard(&dtd.pool); |
---|
| 1739 | declEntity = 0; |
---|
| 1740 | } |
---|
| 1741 | else |
---|
| 1742 | poolFinish(&dtd.pool); |
---|
| 1743 | } |
---|
| 1744 | else { |
---|
| 1745 | poolDiscard(&dtd.pool); |
---|
| 1746 | declEntity = 0; |
---|
| 1747 | } |
---|
| 1748 | } |
---|
| 1749 | break; |
---|
| 1750 | case XML_ROLE_PARAM_ENTITY_NAME: |
---|
| 1751 | declEntity = 0; |
---|
| 1752 | break; |
---|
| 1753 | case XML_ROLE_NOTATION_NAME: |
---|
| 1754 | declNotationPublicId = 0; |
---|
| 1755 | declNotationName = 0; |
---|
| 1756 | if (notationDeclHandler) { |
---|
| 1757 | declNotationName = poolStoreString(&tempPool, encoding, s, next); |
---|
| 1758 | if (!declNotationName) |
---|
| 1759 | return XML_ERROR_NO_MEMORY; |
---|
| 1760 | poolFinish(&tempPool); |
---|
| 1761 | } |
---|
| 1762 | break; |
---|
| 1763 | case XML_ROLE_NOTATION_PUBLIC_ID: |
---|
| 1764 | if (!XmlIsPublicId(encoding, s, next, &eventPtr)) |
---|
| 1765 | return XML_ERROR_SYNTAX; |
---|
| 1766 | if (declNotationName) { |
---|
| 1767 | XML_Char *tem = poolStoreString(&tempPool, |
---|
| 1768 | encoding, |
---|
| 1769 | s + encoding->minBytesPerChar, |
---|
| 1770 | next - encoding->minBytesPerChar); |
---|
| 1771 | if (!tem) |
---|
| 1772 | return XML_ERROR_NO_MEMORY; |
---|
| 1773 | normalizePublicId(tem); |
---|
| 1774 | declNotationPublicId = tem; |
---|
| 1775 | poolFinish(&tempPool); |
---|
| 1776 | } |
---|
| 1777 | break; |
---|
| 1778 | case XML_ROLE_NOTATION_SYSTEM_ID: |
---|
| 1779 | if (declNotationName && notationDeclHandler) { |
---|
| 1780 | const XML_Char *systemId |
---|
| 1781 | = poolStoreString(&tempPool, encoding, |
---|
| 1782 | s + encoding->minBytesPerChar, |
---|
| 1783 | next - encoding->minBytesPerChar); |
---|
| 1784 | if (!systemId) |
---|
| 1785 | return XML_ERROR_NO_MEMORY; |
---|
| 1786 | eventPtr = eventEndPtr = s; |
---|
| 1787 | notationDeclHandler(handlerArg, |
---|
| 1788 | declNotationName, |
---|
| 1789 | dtd.base, |
---|
| 1790 | systemId, |
---|
| 1791 | declNotationPublicId); |
---|
| 1792 | } |
---|
| 1793 | poolClear(&tempPool); |
---|
| 1794 | break; |
---|
| 1795 | case XML_ROLE_NOTATION_NO_SYSTEM_ID: |
---|
| 1796 | if (declNotationPublicId && notationDeclHandler) { |
---|
| 1797 | eventPtr = eventEndPtr = s; |
---|
| 1798 | notationDeclHandler(handlerArg, |
---|
| 1799 | declNotationName, |
---|
| 1800 | dtd.base, |
---|
| 1801 | 0, |
---|
| 1802 | declNotationPublicId); |
---|
| 1803 | } |
---|
| 1804 | poolClear(&tempPool); |
---|
| 1805 | break; |
---|
| 1806 | case XML_ROLE_ERROR: |
---|
| 1807 | eventPtr = s; |
---|
| 1808 | switch (tok) { |
---|
| 1809 | case XML_TOK_PARAM_ENTITY_REF: |
---|
| 1810 | return XML_ERROR_PARAM_ENTITY_REF; |
---|
| 1811 | case XML_TOK_XML_DECL: |
---|
| 1812 | return XML_ERROR_MISPLACED_XML_PI; |
---|
| 1813 | default: |
---|
| 1814 | return XML_ERROR_SYNTAX; |
---|
| 1815 | } |
---|
| 1816 | case XML_ROLE_GROUP_OPEN: |
---|
| 1817 | if (prologState.level >= groupSize) { |
---|
| 1818 | if (groupSize) |
---|
| 1819 | groupConnector = realloc(groupConnector, groupSize *= 2); |
---|
| 1820 | else |
---|
| 1821 | groupConnector = malloc(groupSize = 32); |
---|
| 1822 | if (!groupConnector) |
---|
| 1823 | return XML_ERROR_NO_MEMORY; |
---|
| 1824 | } |
---|
| 1825 | groupConnector[prologState.level] = 0; |
---|
| 1826 | break; |
---|
| 1827 | case XML_ROLE_GROUP_SEQUENCE: |
---|
| 1828 | if (groupConnector[prologState.level] == '|') { |
---|
| 1829 | eventPtr = s; |
---|
| 1830 | return XML_ERROR_SYNTAX; |
---|
| 1831 | } |
---|
| 1832 | groupConnector[prologState.level] = ','; |
---|
| 1833 | break; |
---|
| 1834 | case XML_ROLE_GROUP_CHOICE: |
---|
| 1835 | if (groupConnector[prologState.level] == ',') { |
---|
| 1836 | eventPtr = s; |
---|
| 1837 | return XML_ERROR_SYNTAX; |
---|
| 1838 | } |
---|
| 1839 | groupConnector[prologState.level] = '|'; |
---|
| 1840 | break; |
---|
| 1841 | case XML_ROLE_PARAM_ENTITY_REF: |
---|
| 1842 | if (!dtd.standalone |
---|
| 1843 | && notStandaloneHandler |
---|
| 1844 | && !notStandaloneHandler(handlerArg)) |
---|
| 1845 | return XML_ERROR_NOT_STANDALONE; |
---|
| 1846 | dtd.complete = 0; |
---|
| 1847 | break; |
---|
| 1848 | case XML_ROLE_NONE: |
---|
| 1849 | switch (tok) { |
---|
| 1850 | case XML_TOK_PI: |
---|
| 1851 | eventPtr = s; |
---|
| 1852 | eventEndPtr = next; |
---|
| 1853 | if (!reportProcessingInstruction(parser, encoding, s, next)) |
---|
| 1854 | return XML_ERROR_NO_MEMORY; |
---|
| 1855 | break; |
---|
| 1856 | case XML_TOK_COMMENT: |
---|
| 1857 | eventPtr = s; |
---|
| 1858 | eventEndPtr = next; |
---|
| 1859 | if (!reportComment(parser, encoding, s, next)) |
---|
| 1860 | return XML_ERROR_NO_MEMORY; |
---|
| 1861 | break; |
---|
| 1862 | } |
---|
| 1863 | break; |
---|
| 1864 | } |
---|
| 1865 | if (defaultHandler) { |
---|
| 1866 | switch (tok) { |
---|
| 1867 | case XML_TOK_PI: |
---|
| 1868 | case XML_TOK_COMMENT: |
---|
| 1869 | case XML_TOK_BOM: |
---|
| 1870 | case XML_TOK_XML_DECL: |
---|
| 1871 | break; |
---|
| 1872 | default: |
---|
| 1873 | eventPtr = s; |
---|
| 1874 | eventEndPtr = next; |
---|
| 1875 | reportDefault(parser, encoding, s, next); |
---|
| 1876 | } |
---|
| 1877 | } |
---|
| 1878 | s = next; |
---|
| 1879 | } |
---|
| 1880 | /* not reached */ |
---|
| 1881 | } |
---|
| 1882 | |
---|
| 1883 | static |
---|
| 1884 | enum XML_Error epilogProcessor(XML_Parser parser, |
---|
| 1885 | const char *s, |
---|
| 1886 | const char *end, |
---|
| 1887 | const char **nextPtr) |
---|
| 1888 | { |
---|
| 1889 | processor = epilogProcessor; |
---|
| 1890 | eventPtr = s; |
---|
| 1891 | for (;;) { |
---|
| 1892 | const char *next; |
---|
| 1893 | int tok = XmlPrologTok(encoding, s, end, &next); |
---|
| 1894 | eventEndPtr = next; |
---|
| 1895 | switch (tok) { |
---|
| 1896 | case XML_TOK_TRAILING_CR: |
---|
| 1897 | if (defaultHandler) { |
---|
| 1898 | eventEndPtr = end; |
---|
| 1899 | reportDefault(parser, encoding, s, end); |
---|
| 1900 | } |
---|
| 1901 | /* fall through */ |
---|
| 1902 | case XML_TOK_NONE: |
---|
| 1903 | if (nextPtr) |
---|
| 1904 | *nextPtr = end; |
---|
| 1905 | return XML_ERROR_NONE; |
---|
| 1906 | case XML_TOK_PROLOG_S: |
---|
| 1907 | if (defaultHandler) |
---|
| 1908 | reportDefault(parser, encoding, s, next); |
---|
| 1909 | break; |
---|
| 1910 | case XML_TOK_PI: |
---|
| 1911 | if (!reportProcessingInstruction(parser, encoding, s, next)) |
---|
| 1912 | return XML_ERROR_NO_MEMORY; |
---|
| 1913 | break; |
---|
| 1914 | case XML_TOK_COMMENT: |
---|
| 1915 | if (!reportComment(parser, encoding, s, next)) |
---|
| 1916 | return XML_ERROR_NO_MEMORY; |
---|
| 1917 | break; |
---|
| 1918 | case XML_TOK_INVALID: |
---|
| 1919 | eventPtr = next; |
---|
| 1920 | return XML_ERROR_INVALID_TOKEN; |
---|
| 1921 | case XML_TOK_PARTIAL: |
---|
| 1922 | if (nextPtr) { |
---|
| 1923 | *nextPtr = s; |
---|
| 1924 | return XML_ERROR_NONE; |
---|
| 1925 | } |
---|
| 1926 | return XML_ERROR_UNCLOSED_TOKEN; |
---|
| 1927 | case XML_TOK_PARTIAL_CHAR: |
---|
| 1928 | if (nextPtr) { |
---|
| 1929 | *nextPtr = s; |
---|
| 1930 | return XML_ERROR_NONE; |
---|
| 1931 | } |
---|
| 1932 | return XML_ERROR_PARTIAL_CHAR; |
---|
| 1933 | default: |
---|
| 1934 | return XML_ERROR_JUNK_AFTER_DOC_ELEMENT; |
---|
| 1935 | } |
---|
| 1936 | eventPtr = s = next; |
---|
| 1937 | } |
---|
| 1938 | } |
---|
| 1939 | |
---|
| 1940 | static enum XML_Error |
---|
| 1941 | storeAttributeValue(XML_Parser parser, const ENCODING *enc, int isCdata, |
---|
| 1942 | const char *ptr, const char *end, |
---|
| 1943 | STRING_POOL *pool) |
---|
| 1944 | { |
---|
| 1945 | enum XML_Error result = appendAttributeValue(parser, enc, isCdata, ptr, end, pool); |
---|
| 1946 | if (result) |
---|
| 1947 | return result; |
---|
| 1948 | if (!isCdata && poolLength(pool) && poolLastChar(pool) == 0x20) |
---|
| 1949 | poolChop(pool); |
---|
| 1950 | if (!poolAppendChar(pool, XML_T('\0'))) |
---|
| 1951 | return XML_ERROR_NO_MEMORY; |
---|
| 1952 | return XML_ERROR_NONE; |
---|
| 1953 | } |
---|
| 1954 | |
---|
| 1955 | static enum XML_Error |
---|
| 1956 | appendAttributeValue(XML_Parser parser, const ENCODING *enc, int isCdata, |
---|
| 1957 | const char *ptr, const char *end, |
---|
| 1958 | STRING_POOL *pool) |
---|
| 1959 | { |
---|
| 1960 | const ENCODING *internalEnc = ns ? XmlGetInternalEncodingNS() : XmlGetInternalEncoding(); |
---|
| 1961 | for (;;) { |
---|
| 1962 | const char *next; |
---|
| 1963 | int tok = XmlAttributeValueTok(enc, ptr, end, &next); |
---|
| 1964 | switch (tok) { |
---|
| 1965 | case XML_TOK_NONE: |
---|
| 1966 | return XML_ERROR_NONE; |
---|
| 1967 | case XML_TOK_INVALID: |
---|
| 1968 | if (enc == encoding) |
---|
| 1969 | eventPtr = next; |
---|
| 1970 | return XML_ERROR_INVALID_TOKEN; |
---|
| 1971 | case XML_TOK_PARTIAL: |
---|
| 1972 | if (enc == encoding) |
---|
| 1973 | eventPtr = ptr; |
---|
| 1974 | return XML_ERROR_INVALID_TOKEN; |
---|
| 1975 | case XML_TOK_CHAR_REF: |
---|
| 1976 | { |
---|
| 1977 | XML_Char buf[XML_ENCODE_MAX]; |
---|
| 1978 | int i; |
---|
| 1979 | int n = XmlCharRefNumber(enc, ptr); |
---|
| 1980 | if (n < 0) { |
---|
| 1981 | if (enc == encoding) |
---|
| 1982 | eventPtr = ptr; |
---|
| 1983 | return XML_ERROR_BAD_CHAR_REF; |
---|
| 1984 | } |
---|
| 1985 | if (!isCdata |
---|
| 1986 | && n == 0x20 /* space */ |
---|
| 1987 | && (poolLength(pool) == 0 || poolLastChar(pool) == 0x20)) |
---|
| 1988 | break; |
---|
| 1989 | n = XmlEncode(n, (ICHAR *)buf); |
---|
| 1990 | if (!n) { |
---|
| 1991 | if (enc == encoding) |
---|
| 1992 | eventPtr = ptr; |
---|
| 1993 | return XML_ERROR_BAD_CHAR_REF; |
---|
| 1994 | } |
---|
| 1995 | for (i = 0; i < n; i++) { |
---|
| 1996 | if (!poolAppendChar(pool, buf[i])) |
---|
| 1997 | return XML_ERROR_NO_MEMORY; |
---|
| 1998 | } |
---|
| 1999 | } |
---|
| 2000 | break; |
---|
| 2001 | case XML_TOK_DATA_CHARS: |
---|
| 2002 | if (!poolAppend(pool, enc, ptr, next)) |
---|
| 2003 | return XML_ERROR_NO_MEMORY; |
---|
| 2004 | break; |
---|
| 2005 | break; |
---|
| 2006 | case XML_TOK_TRAILING_CR: |
---|
| 2007 | next = ptr + enc->minBytesPerChar; |
---|
| 2008 | /* fall through */ |
---|
| 2009 | case XML_TOK_ATTRIBUTE_VALUE_S: |
---|
| 2010 | case XML_TOK_DATA_NEWLINE: |
---|
| 2011 | if (!isCdata && (poolLength(pool) == 0 || poolLastChar(pool) == 0x20)) |
---|
| 2012 | break; |
---|
| 2013 | if (!poolAppendChar(pool, 0x20)) |
---|
| 2014 | return XML_ERROR_NO_MEMORY; |
---|
| 2015 | break; |
---|
| 2016 | case XML_TOK_ENTITY_REF: |
---|
| 2017 | { |
---|
| 2018 | const XML_Char *name; |
---|
| 2019 | ENTITY *entity; |
---|
| 2020 | XML_Char ch = XmlPredefinedEntityName(enc, |
---|
| 2021 | ptr + enc->minBytesPerChar, |
---|
| 2022 | next - enc->minBytesPerChar); |
---|
| 2023 | if (ch) { |
---|
| 2024 | if (!poolAppendChar(pool, ch)) |
---|
| 2025 | return XML_ERROR_NO_MEMORY; |
---|
| 2026 | break; |
---|
| 2027 | } |
---|
| 2028 | name = poolStoreString(&temp2Pool, enc, |
---|
| 2029 | ptr + enc->minBytesPerChar, |
---|
| 2030 | next - enc->minBytesPerChar); |
---|
| 2031 | if (!name) |
---|
| 2032 | return XML_ERROR_NO_MEMORY; |
---|
| 2033 | entity = (ENTITY *)lookup(&dtd.generalEntities, name, 0); |
---|
| 2034 | poolDiscard(&temp2Pool); |
---|
| 2035 | if (!entity) { |
---|
| 2036 | if (dtd.complete) { |
---|
| 2037 | if (enc == encoding) |
---|
| 2038 | eventPtr = ptr; |
---|
| 2039 | return XML_ERROR_UNDEFINED_ENTITY; |
---|
| 2040 | } |
---|
| 2041 | } |
---|
| 2042 | else if (entity->open) { |
---|
| 2043 | if (enc == encoding) |
---|
| 2044 | eventPtr = ptr; |
---|
| 2045 | return XML_ERROR_RECURSIVE_ENTITY_REF; |
---|
| 2046 | } |
---|
| 2047 | else if (entity->notation) { |
---|
| 2048 | if (enc == encoding) |
---|
| 2049 | eventPtr = ptr; |
---|
| 2050 | return XML_ERROR_BINARY_ENTITY_REF; |
---|
| 2051 | } |
---|
| 2052 | else if (!entity->textPtr) { |
---|
| 2053 | if (enc == encoding) |
---|
| 2054 | eventPtr = ptr; |
---|
| 2055 | return XML_ERROR_ATTRIBUTE_EXTERNAL_ENTITY_REF; |
---|
| 2056 | } |
---|
| 2057 | else { |
---|
| 2058 | enum XML_Error result; |
---|
| 2059 | const XML_Char *textEnd = entity->textPtr + entity->textLen; |
---|
| 2060 | entity->open = 1; |
---|
| 2061 | result = appendAttributeValue(parser, internalEnc, isCdata, (char *)entity->textPtr, (char *)textEnd, pool); |
---|
| 2062 | entity->open = 0; |
---|
| 2063 | if (result) |
---|
| 2064 | return result; |
---|
| 2065 | } |
---|
| 2066 | } |
---|
| 2067 | break; |
---|
| 2068 | default: |
---|
| 2069 | abort(); |
---|
| 2070 | } |
---|
| 2071 | ptr = next; |
---|
| 2072 | } |
---|
| 2073 | /* not reached */ |
---|
| 2074 | } |
---|
| 2075 | |
---|
| 2076 | static |
---|
| 2077 | enum XML_Error storeEntityValue(XML_Parser parser, |
---|
| 2078 | const char *entityTextPtr, |
---|
| 2079 | const char *entityTextEnd) |
---|
| 2080 | { |
---|
| 2081 | const ENCODING *internalEnc; |
---|
| 2082 | STRING_POOL *pool = &(dtd.pool); |
---|
| 2083 | entityTextPtr += encoding->minBytesPerChar; |
---|
| 2084 | entityTextEnd -= encoding->minBytesPerChar; |
---|
| 2085 | internalEnc = ns ? XmlGetInternalEncodingNS() : XmlGetInternalEncoding(); |
---|
| 2086 | for (;;) { |
---|
| 2087 | const char *next; |
---|
| 2088 | int tok = XmlEntityValueTok(encoding, entityTextPtr, entityTextEnd, &next); |
---|
| 2089 | switch (tok) { |
---|
| 2090 | case XML_TOK_PARAM_ENTITY_REF: |
---|
| 2091 | eventPtr = entityTextPtr; |
---|
| 2092 | return XML_ERROR_SYNTAX; |
---|
| 2093 | case XML_TOK_NONE: |
---|
| 2094 | if (declEntity) { |
---|
| 2095 | declEntity->textPtr = pool->start; |
---|
| 2096 | declEntity->textLen = pool->ptr - pool->start; |
---|
| 2097 | poolFinish(pool); |
---|
| 2098 | } |
---|
| 2099 | else |
---|
| 2100 | poolDiscard(pool); |
---|
| 2101 | return XML_ERROR_NONE; |
---|
| 2102 | case XML_TOK_ENTITY_REF: |
---|
| 2103 | case XML_TOK_DATA_CHARS: |
---|
| 2104 | if (!poolAppend(pool, encoding, entityTextPtr, next)) |
---|
| 2105 | return XML_ERROR_NO_MEMORY; |
---|
| 2106 | break; |
---|
| 2107 | case XML_TOK_TRAILING_CR: |
---|
| 2108 | next = entityTextPtr + encoding->minBytesPerChar; |
---|
| 2109 | /* fall through */ |
---|
| 2110 | case XML_TOK_DATA_NEWLINE: |
---|
| 2111 | if (pool->end == pool->ptr && !poolGrow(pool)) |
---|
| 2112 | return XML_ERROR_NO_MEMORY; |
---|
| 2113 | *(pool->ptr)++ = 0xA; |
---|
| 2114 | break; |
---|
| 2115 | case XML_TOK_CHAR_REF: |
---|
| 2116 | { |
---|
| 2117 | XML_Char buf[XML_ENCODE_MAX]; |
---|
| 2118 | int i; |
---|
| 2119 | int n = XmlCharRefNumber(encoding, entityTextPtr); |
---|
| 2120 | if (n < 0) { |
---|
| 2121 | eventPtr = entityTextPtr; |
---|
| 2122 | return XML_ERROR_BAD_CHAR_REF; |
---|
| 2123 | } |
---|
| 2124 | n = XmlEncode(n, (ICHAR *)buf); |
---|
| 2125 | if (!n) { |
---|
| 2126 | eventPtr = entityTextPtr; |
---|
| 2127 | return XML_ERROR_BAD_CHAR_REF; |
---|
| 2128 | } |
---|
| 2129 | for (i = 0; i < n; i++) { |
---|
| 2130 | if (pool->end == pool->ptr && !poolGrow(pool)) |
---|
| 2131 | return XML_ERROR_NO_MEMORY; |
---|
| 2132 | *(pool->ptr)++ = buf[i]; |
---|
| 2133 | } |
---|
| 2134 | } |
---|
| 2135 | break; |
---|
| 2136 | case XML_TOK_PARTIAL: |
---|
| 2137 | eventPtr = entityTextPtr; |
---|
| 2138 | return XML_ERROR_INVALID_TOKEN; |
---|
| 2139 | case XML_TOK_INVALID: |
---|
| 2140 | eventPtr = next; |
---|
| 2141 | return XML_ERROR_INVALID_TOKEN; |
---|
| 2142 | default: |
---|
| 2143 | abort(); |
---|
| 2144 | } |
---|
| 2145 | entityTextPtr = next; |
---|
| 2146 | } |
---|
| 2147 | /* not reached */ |
---|
| 2148 | } |
---|
| 2149 | |
---|
| 2150 | static void |
---|
| 2151 | normalizeLines(XML_Char *s) |
---|
| 2152 | { |
---|
| 2153 | XML_Char *p; |
---|
| 2154 | for (;; s++) { |
---|
| 2155 | if (*s == XML_T('\0')) |
---|
| 2156 | return; |
---|
| 2157 | if (*s == 0xD) |
---|
| 2158 | break; |
---|
| 2159 | } |
---|
| 2160 | p = s; |
---|
| 2161 | do { |
---|
| 2162 | if (*s == 0xD) { |
---|
| 2163 | *p++ = 0xA; |
---|
| 2164 | if (*++s == 0xA) |
---|
| 2165 | s++; |
---|
| 2166 | } |
---|
| 2167 | else |
---|
| 2168 | *p++ = *s++; |
---|
| 2169 | } while (*s); |
---|
| 2170 | *p = XML_T('\0'); |
---|
| 2171 | } |
---|
| 2172 | |
---|
| 2173 | static int |
---|
| 2174 | reportProcessingInstruction(XML_Parser parser, const ENCODING *enc, const char *start, const char *end) |
---|
| 2175 | { |
---|
| 2176 | const XML_Char *target; |
---|
| 2177 | XML_Char *data; |
---|
| 2178 | const char *tem; |
---|
| 2179 | if (!processingInstructionHandler) { |
---|
| 2180 | if (defaultHandler) |
---|
| 2181 | reportDefault(parser, enc, start, end); |
---|
| 2182 | return 1; |
---|
| 2183 | } |
---|
| 2184 | start += enc->minBytesPerChar * 2; |
---|
| 2185 | tem = start + XmlNameLength(enc, start); |
---|
| 2186 | target = poolStoreString(&tempPool, enc, start, tem); |
---|
| 2187 | if (!target) |
---|
| 2188 | return 0; |
---|
| 2189 | poolFinish(&tempPool); |
---|
| 2190 | data = poolStoreString(&tempPool, enc, |
---|
| 2191 | XmlSkipS(enc, tem), |
---|
| 2192 | end - enc->minBytesPerChar*2); |
---|
| 2193 | if (!data) |
---|
| 2194 | return 0; |
---|
| 2195 | normalizeLines(data); |
---|
| 2196 | processingInstructionHandler(handlerArg, target, data); |
---|
| 2197 | poolClear(&tempPool); |
---|
| 2198 | return 1; |
---|
| 2199 | } |
---|
| 2200 | |
---|
| 2201 | static int |
---|
| 2202 | reportComment(XML_Parser parser, const ENCODING *enc, const char *start, const char *end) |
---|
| 2203 | { |
---|
| 2204 | XML_Char *data; |
---|
| 2205 | if (!commentHandler) { |
---|
| 2206 | if (defaultHandler) |
---|
| 2207 | reportDefault(parser, enc, start, end); |
---|
| 2208 | return 1; |
---|
| 2209 | } |
---|
| 2210 | data = poolStoreString(&tempPool, |
---|
| 2211 | enc, |
---|
| 2212 | start + enc->minBytesPerChar * 4, |
---|
| 2213 | end - enc->minBytesPerChar * 3); |
---|
| 2214 | if (!data) |
---|
| 2215 | return 0; |
---|
| 2216 | normalizeLines(data); |
---|
| 2217 | commentHandler(handlerArg, data); |
---|
| 2218 | poolClear(&tempPool); |
---|
| 2219 | return 1; |
---|
| 2220 | } |
---|
| 2221 | |
---|
| 2222 | static void |
---|
| 2223 | reportDefault(XML_Parser parser, const ENCODING *enc, const char *s, const char *end) |
---|
| 2224 | { |
---|
| 2225 | if (MUST_CONVERT(enc, s)) { |
---|
| 2226 | const char **eventPP; |
---|
| 2227 | const char **eventEndPP; |
---|
| 2228 | if (enc == encoding) { |
---|
| 2229 | eventPP = &eventPtr; |
---|
| 2230 | eventEndPP = &eventEndPtr; |
---|
| 2231 | } |
---|
| 2232 | else { |
---|
| 2233 | eventPP = &(openInternalEntities->internalEventPtr); |
---|
| 2234 | eventEndPP = &(openInternalEntities->internalEventEndPtr); |
---|
| 2235 | } |
---|
| 2236 | do { |
---|
| 2237 | ICHAR *dataPtr = (ICHAR *)dataBuf; |
---|
| 2238 | XmlConvert(enc, &s, end, &dataPtr, (ICHAR *)dataBufEnd); |
---|
| 2239 | *eventEndPP = s; |
---|
| 2240 | defaultHandler(handlerArg, dataBuf, dataPtr - (ICHAR *)dataBuf); |
---|
| 2241 | *eventPP = s; |
---|
| 2242 | } while (s != end); |
---|
| 2243 | } |
---|
| 2244 | else |
---|
| 2245 | defaultHandler(handlerArg, (XML_Char *)s, (XML_Char *)end - (XML_Char *)s); |
---|
| 2246 | } |
---|
| 2247 | |
---|
| 2248 | |
---|
| 2249 | static int |
---|
| 2250 | defineAttribute(ELEMENT_TYPE *type, ATTRIBUTE_ID *attId, int isCdata, const XML_Char *value) |
---|
| 2251 | { |
---|
| 2252 | DEFAULT_ATTRIBUTE *att; |
---|
| 2253 | if (type->nDefaultAtts == type->allocDefaultAtts) { |
---|
| 2254 | if (type->allocDefaultAtts == 0) { |
---|
| 2255 | type->allocDefaultAtts = 8; |
---|
| 2256 | type->defaultAtts = malloc(type->allocDefaultAtts*sizeof(DEFAULT_ATTRIBUTE)); |
---|
| 2257 | } |
---|
| 2258 | else { |
---|
| 2259 | type->allocDefaultAtts *= 2; |
---|
| 2260 | type->defaultAtts = realloc(type->defaultAtts, |
---|
| 2261 | type->allocDefaultAtts*sizeof(DEFAULT_ATTRIBUTE)); |
---|
| 2262 | } |
---|
| 2263 | if (!type->defaultAtts) |
---|
| 2264 | return 0; |
---|
| 2265 | } |
---|
| 2266 | att = type->defaultAtts + type->nDefaultAtts; |
---|
| 2267 | att->id = attId; |
---|
| 2268 | att->value = value; |
---|
| 2269 | att->isCdata = isCdata; |
---|
| 2270 | if (!isCdata) |
---|
| 2271 | attId->maybeTokenized = 1; |
---|
| 2272 | type->nDefaultAtts += 1; |
---|
| 2273 | return 1; |
---|
| 2274 | } |
---|
| 2275 | |
---|
| 2276 | static int setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *elementType) |
---|
| 2277 | { |
---|
| 2278 | const XML_Char *name; |
---|
| 2279 | for (name = elementType->name; *name; name++) { |
---|
| 2280 | if (*name == XML_T(':')) { |
---|
| 2281 | PREFIX *prefix; |
---|
| 2282 | const XML_Char *s; |
---|
| 2283 | for (s = elementType->name; s != name; s++) { |
---|
| 2284 | if (!poolAppendChar(&dtd.pool, *s)) |
---|
| 2285 | return 0; |
---|
| 2286 | } |
---|
| 2287 | if (!poolAppendChar(&dtd.pool, XML_T('\0'))) |
---|
| 2288 | return 0; |
---|
| 2289 | prefix = (PREFIX *)lookup(&dtd.prefixes, poolStart(&dtd.pool), sizeof(PREFIX)); |
---|
| 2290 | if (!prefix) |
---|
| 2291 | return 0; |
---|
| 2292 | if (prefix->name == poolStart(&dtd.pool)) |
---|
| 2293 | poolFinish(&dtd.pool); |
---|
| 2294 | else |
---|
| 2295 | poolDiscard(&dtd.pool); |
---|
| 2296 | elementType->prefix = prefix; |
---|
| 2297 | |
---|
| 2298 | } |
---|
| 2299 | } |
---|
| 2300 | return 1; |
---|
| 2301 | } |
---|
| 2302 | |
---|
| 2303 | static ATTRIBUTE_ID * |
---|
| 2304 | getAttributeId(XML_Parser parser, const ENCODING *enc, const char *start, const char *end) |
---|
| 2305 | { |
---|
| 2306 | ATTRIBUTE_ID *id; |
---|
| 2307 | const XML_Char *name; |
---|
| 2308 | if (!poolAppendChar(&dtd.pool, XML_T('\0'))) |
---|
| 2309 | return 0; |
---|
| 2310 | name = poolStoreString(&dtd.pool, enc, start, end); |
---|
| 2311 | if (!name) |
---|
| 2312 | return 0; |
---|
| 2313 | ++name; |
---|
| 2314 | id = (ATTRIBUTE_ID *)lookup(&dtd.attributeIds, name, sizeof(ATTRIBUTE_ID)); |
---|
| 2315 | if (!id) |
---|
| 2316 | return 0; |
---|
| 2317 | if (id->name != name) |
---|
| 2318 | poolDiscard(&dtd.pool); |
---|
| 2319 | else { |
---|
| 2320 | poolFinish(&dtd.pool); |
---|
| 2321 | if (!ns) |
---|
| 2322 | ; |
---|
| 2323 | else if (name[0] == 'x' |
---|
| 2324 | && name[1] == 'm' |
---|
| 2325 | && name[2] == 'l' |
---|
| 2326 | && name[3] == 'n' |
---|
| 2327 | && name[4] == 's' |
---|
| 2328 | && (name[5] == XML_T('\0') || name[5] == XML_T(':'))) { |
---|
| 2329 | if (name[5] == '\0') |
---|
| 2330 | id->prefix = &dtd.defaultPrefix; |
---|
| 2331 | else |
---|
| 2332 | id->prefix = (PREFIX *)lookup(&dtd.prefixes, name + 6, sizeof(PREFIX)); |
---|
| 2333 | id->xmlns = 1; |
---|
| 2334 | } |
---|
| 2335 | else { |
---|
| 2336 | int i; |
---|
| 2337 | for (i = 0; name[i]; i++) { |
---|
| 2338 | if (name[i] == XML_T(':')) { |
---|
| 2339 | int j; |
---|
| 2340 | for (j = 0; j < i; j++) { |
---|
| 2341 | if (!poolAppendChar(&dtd.pool, name[j])) |
---|
| 2342 | return 0; |
---|
| 2343 | } |
---|
| 2344 | if (!poolAppendChar(&dtd.pool, XML_T('\0'))) |
---|
| 2345 | return 0; |
---|
| 2346 | id->prefix = (PREFIX *)lookup(&dtd.prefixes, poolStart(&dtd.pool), sizeof(PREFIX)); |
---|
| 2347 | if (id->prefix->name == poolStart(&dtd.pool)) |
---|
| 2348 | poolFinish(&dtd.pool); |
---|
| 2349 | else |
---|
| 2350 | poolDiscard(&dtd.pool); |
---|
| 2351 | break; |
---|
| 2352 | } |
---|
| 2353 | } |
---|
| 2354 | } |
---|
| 2355 | } |
---|
| 2356 | return id; |
---|
| 2357 | } |
---|
| 2358 | |
---|
| 2359 | #define CONTEXT_SEP XML_T('\f') |
---|
| 2360 | |
---|
| 2361 | static |
---|
| 2362 | const XML_Char *getContext(XML_Parser parser) |
---|
| 2363 | { |
---|
| 2364 | HASH_TABLE_ITER iter; |
---|
| 2365 | int needSep = 0; |
---|
| 2366 | |
---|
| 2367 | if (dtd.defaultPrefix.binding) { |
---|
| 2368 | int i; |
---|
| 2369 | int len; |
---|
| 2370 | if (!poolAppendChar(&tempPool, XML_T('='))) |
---|
| 2371 | return 0; |
---|
| 2372 | len = dtd.defaultPrefix.binding->uriLen; |
---|
| 2373 | if (namespaceSeparator != XML_T('\0')) |
---|
| 2374 | len--; |
---|
| 2375 | for (i = 0; i < len; i++) |
---|
| 2376 | if (!poolAppendChar(&tempPool, dtd.defaultPrefix.binding->uri[i])) |
---|
| 2377 | return 0; |
---|
| 2378 | needSep = 1; |
---|
| 2379 | } |
---|
| 2380 | |
---|
| 2381 | hashTableIterInit(&iter, &(dtd.prefixes)); |
---|
| 2382 | for (;;) { |
---|
| 2383 | int i; |
---|
| 2384 | int len; |
---|
| 2385 | const XML_Char *s; |
---|
| 2386 | PREFIX *prefix = (PREFIX *)hashTableIterNext(&iter); |
---|
| 2387 | if (!prefix) |
---|
| 2388 | break; |
---|
| 2389 | if (!prefix->binding) |
---|
| 2390 | continue; |
---|
| 2391 | if (needSep && !poolAppendChar(&tempPool, CONTEXT_SEP)) |
---|
| 2392 | return 0; |
---|
| 2393 | for (s = prefix->name; *s; s++) |
---|
| 2394 | if (!poolAppendChar(&tempPool, *s)) |
---|
| 2395 | return 0; |
---|
| 2396 | if (!poolAppendChar(&tempPool, XML_T('='))) |
---|
| 2397 | return 0; |
---|
| 2398 | len = prefix->binding->uriLen; |
---|
| 2399 | if (namespaceSeparator != XML_T('\0')) |
---|
| 2400 | len--; |
---|
| 2401 | for (i = 0; i < len; i++) |
---|
| 2402 | if (!poolAppendChar(&tempPool, prefix->binding->uri[i])) |
---|
| 2403 | return 0; |
---|
| 2404 | needSep = 1; |
---|
| 2405 | } |
---|
| 2406 | |
---|
| 2407 | |
---|
| 2408 | hashTableIterInit(&iter, &(dtd.generalEntities)); |
---|
| 2409 | for (;;) { |
---|
| 2410 | const XML_Char *s; |
---|
| 2411 | ENTITY *e = (ENTITY *)hashTableIterNext(&iter); |
---|
| 2412 | if (!e) |
---|
| 2413 | break; |
---|
| 2414 | if (!e->open) |
---|
| 2415 | continue; |
---|
| 2416 | if (needSep && !poolAppendChar(&tempPool, CONTEXT_SEP)) |
---|
| 2417 | return 0; |
---|
| 2418 | for (s = e->name; *s; s++) |
---|
| 2419 | if (!poolAppendChar(&tempPool, *s)) |
---|
| 2420 | return 0; |
---|
| 2421 | needSep = 1; |
---|
| 2422 | } |
---|
| 2423 | |
---|
| 2424 | if (!poolAppendChar(&tempPool, XML_T('\0'))) |
---|
| 2425 | return 0; |
---|
| 2426 | return tempPool.start; |
---|
| 2427 | } |
---|
| 2428 | |
---|
| 2429 | static |
---|
| 2430 | void normalizePublicId(XML_Char *publicId) |
---|
| 2431 | { |
---|
| 2432 | XML_Char *p = publicId; |
---|
| 2433 | XML_Char *s; |
---|
| 2434 | for (s = publicId; *s; s++) { |
---|
| 2435 | switch (*s) { |
---|
| 2436 | case 0x20: |
---|
| 2437 | case 0xD: |
---|
| 2438 | case 0xA: |
---|
| 2439 | if (p != publicId && p[-1] != 0x20) |
---|
| 2440 | *p++ = 0x20; |
---|
| 2441 | break; |
---|
| 2442 | default: |
---|
| 2443 | *p++ = *s; |
---|
| 2444 | } |
---|
| 2445 | } |
---|
| 2446 | if (p != publicId && p[-1] == 0x20) |
---|
| 2447 | --p; |
---|
| 2448 | *p = XML_T('\0'); |
---|
| 2449 | } |
---|
| 2450 | |
---|
| 2451 | static int dtdInit(DTD *p) |
---|
| 2452 | { |
---|
| 2453 | poolInit(&(p->pool)); |
---|
| 2454 | hashTableInit(&(p->generalEntities)); |
---|
| 2455 | hashTableInit(&(p->elementTypes)); |
---|
| 2456 | hashTableInit(&(p->attributeIds)); |
---|
| 2457 | hashTableInit(&(p->prefixes)); |
---|
| 2458 | p->complete = 1; |
---|
| 2459 | p->standalone = 0; |
---|
| 2460 | p->base = 0; |
---|
| 2461 | p->defaultPrefix.name = 0; |
---|
| 2462 | p->defaultPrefix.binding = 0; |
---|
| 2463 | return 1; |
---|
| 2464 | } |
---|
| 2465 | |
---|
| 2466 | static void dtdDestroy(DTD *p) |
---|
| 2467 | { |
---|
| 2468 | HASH_TABLE_ITER iter; |
---|
| 2469 | hashTableIterInit(&iter, &(p->elementTypes)); |
---|
| 2470 | for (;;) { |
---|
| 2471 | ELEMENT_TYPE *e = (ELEMENT_TYPE *)hashTableIterNext(&iter); |
---|
| 2472 | if (!e) |
---|
| 2473 | break; |
---|
| 2474 | if (e->allocDefaultAtts != 0) |
---|
| 2475 | g_free(e->defaultAtts); |
---|
| 2476 | } |
---|
| 2477 | hashTableDestroy(&(p->generalEntities)); |
---|
| 2478 | hashTableDestroy(&(p->elementTypes)); |
---|
| 2479 | hashTableDestroy(&(p->attributeIds)); |
---|
| 2480 | hashTableDestroy(&(p->prefixes)); |
---|
| 2481 | poolDestroy(&(p->pool)); |
---|
| 2482 | } |
---|
| 2483 | |
---|
| 2484 | static |
---|
| 2485 | void poolInit(STRING_POOL *pool) |
---|
| 2486 | { |
---|
| 2487 | pool->blocks = 0; |
---|
| 2488 | pool->freeBlocks = 0; |
---|
| 2489 | pool->start = 0; |
---|
| 2490 | pool->ptr = 0; |
---|
| 2491 | pool->end = 0; |
---|
| 2492 | } |
---|
| 2493 | |
---|
| 2494 | static |
---|
| 2495 | void poolClear(STRING_POOL *pool) |
---|
| 2496 | { |
---|
| 2497 | if (!pool->freeBlocks) |
---|
| 2498 | pool->freeBlocks = pool->blocks; |
---|
| 2499 | else { |
---|
| 2500 | BLOCK *p = pool->blocks; |
---|
| 2501 | while (p) { |
---|
| 2502 | BLOCK *tem = p->next; |
---|
| 2503 | p->next = pool->freeBlocks; |
---|
| 2504 | pool->freeBlocks = p; |
---|
| 2505 | p = tem; |
---|
| 2506 | } |
---|
| 2507 | } |
---|
| 2508 | pool->blocks = 0; |
---|
| 2509 | pool->start = 0; |
---|
| 2510 | pool->ptr = 0; |
---|
| 2511 | pool->end = 0; |
---|
| 2512 | } |
---|
| 2513 | |
---|
| 2514 | static |
---|
| 2515 | void poolDestroy(STRING_POOL *pool) |
---|
| 2516 | { |
---|
| 2517 | BLOCK *p = pool->blocks; |
---|
| 2518 | while (p) { |
---|
| 2519 | BLOCK *tem = p->next; |
---|
| 2520 | g_free(p); |
---|
| 2521 | p = tem; |
---|
| 2522 | } |
---|
| 2523 | pool->blocks = 0; |
---|
| 2524 | p = pool->freeBlocks; |
---|
| 2525 | while (p) { |
---|
| 2526 | BLOCK *tem = p->next; |
---|
| 2527 | g_free(p); |
---|
| 2528 | p = tem; |
---|
| 2529 | } |
---|
| 2530 | pool->freeBlocks = 0; |
---|
| 2531 | pool->ptr = 0; |
---|
| 2532 | pool->start = 0; |
---|
| 2533 | pool->end = 0; |
---|
| 2534 | } |
---|
| 2535 | |
---|
| 2536 | static |
---|
| 2537 | XML_Char *poolAppend(STRING_POOL *pool, const ENCODING *enc, |
---|
| 2538 | const char *ptr, const char *end) |
---|
| 2539 | { |
---|
| 2540 | if (!pool->ptr && !poolGrow(pool)) |
---|
| 2541 | return 0; |
---|
| 2542 | for (;;) { |
---|
| 2543 | XmlConvert(enc, &ptr, end, (ICHAR **)&(pool->ptr), (ICHAR *)pool->end); |
---|
| 2544 | if (ptr == end) |
---|
| 2545 | break; |
---|
| 2546 | if (!poolGrow(pool)) |
---|
| 2547 | return 0; |
---|
| 2548 | } |
---|
| 2549 | return pool->start; |
---|
| 2550 | } |
---|
| 2551 | |
---|
| 2552 | static const XML_Char *poolCopyString(STRING_POOL *pool, const XML_Char *s) |
---|
| 2553 | { |
---|
| 2554 | do { |
---|
| 2555 | if (!poolAppendChar(pool, *s)) |
---|
| 2556 | return 0; |
---|
| 2557 | } while (*s++); |
---|
| 2558 | s = pool->start; |
---|
| 2559 | poolFinish(pool); |
---|
| 2560 | return s; |
---|
| 2561 | } |
---|
| 2562 | |
---|
| 2563 | static |
---|
| 2564 | XML_Char *poolStoreString(STRING_POOL *pool, const ENCODING *enc, |
---|
| 2565 | const char *ptr, const char *end) |
---|
| 2566 | { |
---|
| 2567 | if (!poolAppend(pool, enc, ptr, end)) |
---|
| 2568 | return 0; |
---|
| 2569 | if (pool->ptr == pool->end && !poolGrow(pool)) |
---|
| 2570 | return 0; |
---|
| 2571 | *(pool->ptr)++ = 0; |
---|
| 2572 | return pool->start; |
---|
| 2573 | } |
---|
| 2574 | |
---|
| 2575 | static |
---|
| 2576 | int poolGrow(STRING_POOL *pool) |
---|
| 2577 | { |
---|
| 2578 | if (pool->freeBlocks) { |
---|
| 2579 | if (pool->start == 0) { |
---|
| 2580 | pool->blocks = pool->freeBlocks; |
---|
| 2581 | pool->freeBlocks = pool->freeBlocks->next; |
---|
| 2582 | pool->blocks->next = 0; |
---|
| 2583 | pool->start = pool->blocks->s; |
---|
| 2584 | pool->end = pool->start + pool->blocks->size; |
---|
| 2585 | pool->ptr = pool->start; |
---|
| 2586 | return 1; |
---|
| 2587 | } |
---|
| 2588 | if (pool->end - pool->start < pool->freeBlocks->size) { |
---|
| 2589 | BLOCK *tem = pool->freeBlocks->next; |
---|
| 2590 | pool->freeBlocks->next = pool->blocks; |
---|
| 2591 | pool->blocks = pool->freeBlocks; |
---|
| 2592 | pool->freeBlocks = tem; |
---|
| 2593 | memcpy(pool->blocks->s, pool->start, (pool->end - pool->start) * sizeof(XML_Char)); |
---|
| 2594 | pool->ptr = pool->blocks->s + (pool->ptr - pool->start); |
---|
| 2595 | pool->start = pool->blocks->s; |
---|
| 2596 | pool->end = pool->start + pool->blocks->size; |
---|
| 2597 | return 1; |
---|
| 2598 | } |
---|
| 2599 | } |
---|
| 2600 | if (pool->blocks && pool->start == pool->blocks->s) { |
---|
| 2601 | int blockSize = (pool->end - pool->start)*2; |
---|
| 2602 | pool->blocks = realloc(pool->blocks, offsetof(BLOCK, s) + blockSize * sizeof(XML_Char)); |
---|
| 2603 | if (!pool->blocks) |
---|
| 2604 | return 0; |
---|
| 2605 | pool->blocks->size = blockSize; |
---|
| 2606 | pool->ptr = pool->blocks->s + (pool->ptr - pool->start); |
---|
| 2607 | pool->start = pool->blocks->s; |
---|
| 2608 | pool->end = pool->start + blockSize; |
---|
| 2609 | } |
---|
| 2610 | else { |
---|
| 2611 | BLOCK *tem; |
---|
| 2612 | int blockSize = pool->end - pool->start; |
---|
| 2613 | if (blockSize < INIT_BLOCK_SIZE) |
---|
| 2614 | blockSize = INIT_BLOCK_SIZE; |
---|
| 2615 | else |
---|
| 2616 | blockSize *= 2; |
---|
| 2617 | tem = malloc(offsetof(BLOCK, s) + blockSize * sizeof(XML_Char)); |
---|
| 2618 | if (!tem) |
---|
| 2619 | return 0; |
---|
| 2620 | tem->size = blockSize; |
---|
| 2621 | tem->next = pool->blocks; |
---|
| 2622 | pool->blocks = tem; |
---|
| 2623 | memcpy(tem->s, pool->start, (pool->ptr - pool->start) * sizeof(XML_Char)); |
---|
| 2624 | pool->ptr = tem->s + (pool->ptr - pool->start); |
---|
| 2625 | pool->start = tem->s; |
---|
| 2626 | pool->end = tem->s + blockSize; |
---|
| 2627 | } |
---|
| 2628 | return 1; |
---|
| 2629 | } |
---|