1 | /***************************************************************************\ |
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2 | * * |
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3 | * BitlBee - An IRC to IM gateway * |
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4 | * Simple XML (stream) parse tree handling code (Jabber/XMPP, mainly) * |
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5 | * * |
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6 | * Copyright 2006 Wilmer van der Gaast <wilmer@gaast.net> * |
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7 | * * |
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8 | * This library is free software; you can redistribute it and/or * |
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9 | * modify it under the terms of the GNU Lesser General Public * |
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10 | * License as published by the Free Software Foundation, version * |
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11 | * 2.1. * |
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12 | * * |
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13 | * This library is distributed in the hope that it will be useful, * |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
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16 | * Lesser General Public License for more details. * |
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17 | * * |
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18 | * You should have received a copy of the GNU Lesser General Public License * |
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19 | * along with this library; if not, write to the Free Software Foundation, * |
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20 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * |
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21 | * * |
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22 | ****************************************************************************/ |
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23 | |
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24 | #ifndef _XMLTREE_H |
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25 | #define _XMLTREE_H |
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26 | |
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27 | typedef enum |
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28 | { |
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29 | XT_COMPLETE = 1, /* </tag> reached */ |
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30 | XT_SEEN = 2, /* Handler called (or not defined) */ |
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31 | } xt_flags; |
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32 | |
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33 | typedef enum |
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34 | { |
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35 | XT_ABORT, /* Abort, don't handle the rest anymore */ |
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36 | XT_HANDLED, /* Handled this tag properly, go to the next one */ |
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37 | XT_NEXT /* Try if there's another matching handler */ |
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38 | } xt_status; |
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39 | |
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40 | struct xt_attr |
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41 | { |
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42 | char *key, *value; |
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43 | }; |
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44 | |
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45 | struct xt_node |
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46 | { |
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47 | struct xt_node *parent; |
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48 | struct xt_node *children; |
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49 | |
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50 | char *name; |
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51 | struct xt_attr *attr; |
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52 | char *text; |
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53 | int text_len; |
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54 | |
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55 | struct xt_node *next; |
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56 | xt_flags flags; |
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57 | }; |
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58 | |
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59 | typedef xt_status (*xt_handler_func) ( struct xt_node *node, gpointer data ); |
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60 | |
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61 | struct xt_handler_entry |
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62 | { |
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63 | char *name, *parent; |
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64 | xt_handler_func func; |
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65 | }; |
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66 | |
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67 | struct xt_parser |
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68 | { |
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69 | GMarkupParseContext *parser; |
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70 | struct xt_node *root; |
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71 | struct xt_node *cur; |
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72 | |
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73 | const struct xt_handler_entry *handlers; |
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74 | gpointer data; |
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75 | |
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76 | GError *gerr; |
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77 | }; |
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78 | |
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79 | struct xt_parser *xt_new( const struct xt_handler_entry *handlers, gpointer data ); |
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80 | void xt_reset( struct xt_parser *xt ); |
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81 | int xt_feed( struct xt_parser *xt, char *text, int text_len ); |
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82 | int xt_handle( struct xt_parser *xt, struct xt_node *node, int depth ); |
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83 | void xt_cleanup( struct xt_parser *xt, struct xt_node *node, int depth ); |
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84 | char *xt_to_string( struct xt_node *node ); |
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85 | void xt_print( struct xt_node *node ); |
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86 | struct xt_node *xt_dup( struct xt_node *node ); |
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87 | void xt_free_node( struct xt_node *node ); |
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88 | void xt_free( struct xt_parser *xt ); |
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89 | struct xt_node *xt_find_node( struct xt_node *node, const char *name ); |
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90 | char *xt_find_attr( struct xt_node *node, const char *key ); |
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91 | |
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92 | struct xt_node *xt_new_node( char *name, const char *text, struct xt_node *children ); |
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93 | void xt_add_child( struct xt_node *parent, struct xt_node *child ); |
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94 | void xt_insert_child( struct xt_node *parent, struct xt_node *child ); |
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95 | void xt_add_attr( struct xt_node *node, const char *key, const char *value ); |
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96 | int xt_remove_attr( struct xt_node *node, const char *key ); |
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97 | |
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98 | #endif |
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