Changeset 72b6783e

Timestamp:

2008-12-24T09:00:42Z (16 years ago)

Author:

Wilmer van der Gaast <wilmer@…>

Branches:

master

Children:

489f996

Parents:

5469952

Message:

First version of new ini parser. Will just attempt to simplify code a bit.

Location:

lib

Files:

• ini.c (modified) (2 diffs)
• ini.h (modified) (1 diff)

lib/ini.c

@@ -2 +2 @@
   * BitlBee -- An IRC to other IM-networks gateway                     *
   *                                                                    *
-  * Copyright 2002-2005 Wilmer van der Gaast and others                *
+  * Copyright 2002-2008 Wilmer van der Gaast and others                *
   \********************************************************************/
 
@@ -28 +28 @@
 ini_t *ini_open( char *file )
 {
-        ini_t *ini = g_new0( ini_t, 1 );
+        int fd;
+        ini_t *ini = NULL;
+        struct stat fi;
         
-        if( ( ini->fp = fopen( file, "r" ) ) == NULL )
+        if( ( fd = open( file, O_RDONLY ) ) != -1 &&
+            fstat( fd, &fi ) == 0 &&
+            fi.st_size <= 16384 &&
+            ( ini = g_malloc( sizeof( ini_t ) + fi.st_size + 1 ) ) &&
+            read( fd, ini->file, fi.st_size ) == fi.st_size )
         {
-                g_free( ini );
-                return( NULL );
+                memset( ini, 0, sizeof( ini_t ) );
+                ini->size = fi.st_size;
+                ini->file[ini->size] = 0;
+                ini->cur = ini->file;
+                ini->c_section = "";
+                return ini;
         }
         
-        return( ini );
+        g_free( ini );
+        if( fd >= 0 )
+                close( fd );
+
+        return NULL;
 }
 
 int ini_read( ini_t *file )
 {
-        char key[MAX_STRING], s[MAX_STRING], *t;
-        int i;
+        char *s;
         
-        while( !feof( file->fp ) )
+        while( file->cur && file->cur < file->file + file->size )
         {
-                *s = 0;
-                fscanf( file->fp, "%127[^\n#]s", s );
-                fscanf( file->fp, "%*[^\n]s" );
-                fgetc( file->fp );              /* Skip newline         */
-                file->line ++;
-                if( strchr( s, '=' ) )
+                char *e, *next;
+                
+                file->line++;
+                
+                /* Leading whitespace */
+                while( *file->cur == ' ' || *file->cur == '\t' )
+                        file->cur++;
+
+                /* Find the end of line */
+                if( ( e = strchr( file->cur, '\n' ) ) != NULL )
                 {
-                        sscanf( s, "%[^ =]s", key );
-                        if( ( t = strchr( key, '.' ) ) )
+                        next = e + 1;
+                }
+                else
+                {
+                        /* No more lines. */
+                        e = file->cur + strlen( file->cur ) - 1;
+                        next = NULL;
+                }
+                
+                /* Comment? */
+                if( ( s = strchr( file->cur, '#' ) ) != NULL )
+                        e = s - 1;
+                
+                /* And kill trailing whitespace. */
+                while( isspace( *e ) && e > file->cur )
+                        e--;
+                e[1] = 0;
+                
+                printf( "Stripped line: '%s'\n", file->cur );
+                
+                if( *file->cur == '[' )
+                {
+                        file->cur++;
+                        if( ( s = strchr( file->cur, ']' ) ) != NULL )
                         {
-                                *t = 0;
-                                strcpy( file->section, key );
-                                t ++;
+                                *s = 0;
+                                file->c_section = file->cur;
+                                
+                                printf( "Section started: %s\n", file->c_section );
+                        }
+                }
+                else if( ( s = strchr( file->cur, '=' ) ) != NULL )
+                {
+                        *s = 0;
+                        file->value = s + 1;
+                        while( isspace( *file->value ) )
+                                file->value++;
+                        
+                        s--;
+                        while( isspace( *s ) && s > file->cur )
+                                s--;
+                        s[1] = 0;
+                        file->key = file->cur;
+                        
+                        if( ( s = strchr( file->key, '.' ) ) != NULL )
+                        {
+                                *s = 0;
+                                file->section = file->key;
+                                file->key = s + 1;
                         }
                         else
                         {
-                                strcpy( file->section, file->c_section );
-                                t = key;
+                                file->section = file->c_section;
                         }
-                        sscanf( t, "%s", file->key );
-                        t = strchr( s, '=' ) + 1;
-                        for( i = 0; t[i] == ' '; i ++ );
-                        strcpy( file->value, &t[i] );
-                        for( i = strlen( file->value ) - 1; file->value[i] == 32; i -- )
-                                file->value[i] = 0;
                         
-                        return( 1 );
+                        file->cur = next;
+                        
+                        printf( "%s.%s = '%s'\n", file->section, file->key, file->value );
+                        
+                        return 1;
                 }
-                else if( ( t = strchr( s, '[' ) ) )
-                {
-                        strcpy( file->c_section, t + 1 );
-                        t = strchr( file->c_section, ']' );
-                        *t = 0;
-                }
+                /* else: noise, but let's just ignore it. */
+
+                file->cur = next;
         }
-        return( 0 );
+        
+        return 0;
 }
 
 void ini_close( ini_t *file )
 {
-        fclose( file->fp );
         g_free( file );
 }

lib/ini.h

@@ -29 +29 @@
 typedef struct
 {
-        FILE *fp;
         int line;
-        char c_section[MAX_STRING];
-        char section[MAX_STRING];
-        char key[MAX_STRING];
-        char value[MAX_STRING];
+        char *c_section;
+        char *section;
+        char *key;
+        char *value;
+        int size;
+        char *cur, *tok;
+        char file[];
 } ini_t;