1 files changed, 186 insertions, 0 deletions
diff --git a/src/xml.c b/src/xml.c
new file mode 100644
index 0000000..4ec82b2
--- /dev/null
+++ b/src/xml.c
@@ -0,0 +1,186 @@
+/*
+ * xml.c
+ *
+ * Rudimentary XML parser
+ *
+ * (c) 2002-2005 Thomas White <taw27@srcf.ucam.org>
+ *  Part of TuxMessenger - GTK+-based MSN Messenger client
+ *
+ *  This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 dated June, 1991. 
+ *
+ * This package is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details. 
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this package; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA. 
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include <libxml/xmlmemory.h>
+#include <libxml/parser.h>
+
+#include "routines.h"
+#include "debug.h"
+
+char *xml_getfield(const char *xml, const char *field) {
+
+	char *identifier_start;
+	char *value;
+	
+	identifier_start = strstr(xml, field);
+	
+	if ( identifier_start == NULL ) {
+		return NULL;
+	}
+	
+	value = routines_lindex(identifier_start + strlen(field) + 2, 0);
+	value[strlen(value)-1] = '\0';
+	
+	return value;
+
+}
+
+char *xml_killillegalchars(const char *temp) {
+
+	char *result;
+	unsigned int i;
+	
+	if ( temp == NULL ) {
+		return strdup("");
+	}
+	
+	result = malloc(strlen(temp)+1);
+	strcpy(result, temp);
+	for ( i=0; i<strlen(result); i++ ) {
+	
+		if ( result[i] == '/' ) {
+			result[i] = '-';
+		}
+		
+		/* Don't even think about directory traversal... */
+		if ( result[i] == '.' ) {
+			result[i] = '-';
+		}
+	
+	}
+	
+	return result;
+
+}
+
+/* Get the block of text between two given tags. */
+char *xml_getblock(const char *xml, size_t xmllength, const char *rootnode, const char *keyword, int entities) {
+
+	xmlDocPtr doc;
+	xmlNodePtr cur;
+
+	doc = xmlParseMemory(xml, xmllength);
+	
+	if (doc == NULL ) {
+		return NULL;
+	}
+
+	cur = xmlDocGetRootElement(doc);
+	
+	if (cur == NULL) {
+		xmlFreeDoc(doc);
+		return NULL;
+	}
+	
+	if (xmlStrcmp(cur->name, rootnode)) {
+		xmlFreeDoc(doc);
+		return NULL;
+	}
+	
+	cur = cur->xmlChildrenNode;
+	while (cur != NULL) {
+	
+		if ((!xmlStrcmp(cur->name, keyword))) {
+		
+			char *resultchar;
+			
+			xmlChar *result = xmlNodeListGetString(doc, cur->xmlChildrenNode, entities);
+			if ( result == NULL ) {
+				return NULL;
+			}
+			resultchar = strdup(result);
+			xmlFree(result);
+			return resultchar;
+			
+		}
+		 
+		cur = cur->next;
+		
+	}
+	
+	return NULL;
+
+}
+
+/* Set the block of text between two given tags. */
+char *xml_setblock(const char *xml, size_t xmllength, const char *rootnode, const char *keyword, const char *value) {
+
+	xmlDocPtr doc;
+	xmlNodePtr cur;
+
+	doc = xmlParseMemory(xml, xmllength);
+	
+	if (doc == NULL ) {
+		return NULL;
+	}
+
+	cur = xmlDocGetRootElement(doc);
+	
+	if (cur == NULL) {
+		xmlFreeDoc(doc);
+		return NULL;
+	}
+	
+	if (xmlStrcmp(cur->name, rootnode)) {
+		xmlFreeDoc(doc);
+		return NULL;
+	}
+	
+	cur = cur->xmlChildrenNode;
+	while (cur != NULL) {
+	
+		if ((!xmlStrcmp(cur->name, keyword))) {
+		
+			xmlChar *xmlbuf;
+			size_t xmlbuflength;
+			char *text;
+		
+			xmlNewTextChild(cur->parent, NULL, keyword, value);
+			xmlUnlinkNode(cur);
+			xmlFreeNode(cur);
+			
+			xmlDocDumpFormatMemory(doc, &xmlbuf, &xmlbuflength, 0);
+			text = malloc(xmlbuflength+1);
+			memcpy(text, xmlbuf, xmlbuflength+1);
+			xmlFree(xmlbuf);
+			
+			return text;
+			
+			
+			
+		}
+		 
+		cur = cur->next;
+		
+	}
+	
+	return NULL;
+
+}