src/protocols/jabber/parser.c

branch
cpw.khc.msnp14
changeset 20472
6a6d2ef151e6
parent 13912
463b4fa9f067
parent 20469
b2836a24d81e
child 20473
91e1b3a49d10
--- a/src/protocols/jabber/parser.c	Wed Oct 18 16:28:51 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,292 +0,0 @@
-/*
- * gaim - Jabber XML parser stuff
- *
- * Copyright (C) 2003, Nathan Walp <faceprint@faceprint.com>
- *
- * This program 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-#include "internal.h"
-
-#ifdef HAVE_LIBXML
-#include <libxml/parser.h>
-#endif
-
-#include "connection.h"
-#include "debug.h"
-#include "jabber.h"
-#include "parser.h"
-#include "xmlnode.h"
-
-#ifndef HAVE_LIBXML
-static void
-jabber_parser_element_start(GMarkupParseContext *context,
-		const char *element_name, const char **attrib_names,
-		const char **attrib_values, gpointer user_data, GError **error)
-{
-	JabberStream *js = user_data;
-	xmlnode *node;
-	int i;
-
-	if(!element_name) {
-		return;
-	} else if(!strcmp(element_name, "stream:stream")) {
-		js->protocol_version = JABBER_PROTO_0_9;
-		for(i=0; attrib_names[i]; i++) {
-			if(!strcmp(attrib_names[i], "version")
-					&& !strcmp(attrib_values[i], "1.0")) {
-				js->protocol_version = JABBER_PROTO_1_0;
-			} else if(!strcmp(attrib_names[i], "id")) {
-				if(js->stream_id)
-					g_free(js->stream_id);
-				js->stream_id = g_strdup(attrib_values[i]);
-			}
-		}
-		if(js->protocol_version == JABBER_PROTO_0_9)
-			js->auth_type = JABBER_AUTH_IQ_AUTH;
-
-		if(js->state == JABBER_STREAM_INITIALIZING)
-			jabber_stream_set_state(js, JABBER_STREAM_AUTHENTICATING);
-	} else {
-
-		if(js->current)
-			node = xmlnode_new_child(js->current, element_name);
-		else
-			node = xmlnode_new(element_name);
-
-		for(i=0; attrib_names[i]; i++) {
-			xmlnode_set_attrib(node, attrib_names[i], attrib_values[i]);
-		}
-
-		js->current = node;
-	}
-}
-
-static void
-jabber_parser_element_end(GMarkupParseContext *context,
-		const char *element_name, gpointer user_data, GError **error)
-{
-	JabberStream *js = user_data;
-
-	if(!js->current)
-		return;
-
-	if(js->current->parent) {
-		if(!strcmp(js->current->name, element_name))
-			js->current = js->current->parent;
-	} else {
-		xmlnode *packet = js->current;
-		js->current = NULL;
-		jabber_process_packet(js, packet);
-		xmlnode_free(packet);
-	}
-}
-
-static void
-jabber_parser_element_text(GMarkupParseContext *context, const char *text,
-		gsize text_len, gpointer user_data, GError **error)
-{
-	JabberStream *js = user_data;
-
-	if(!js->current)
-		return;
-
-	if(!text || !text_len)
-		return;
-
-	xmlnode_insert_data(js->current, text, text_len);
-}
-
-#else  /* HAVE_LIBXML */
-
-static void
-jabber_parser_element_start_libxml(void *user_data,
-				   const xmlChar *element_name, const xmlChar *prefix, const xmlChar *namespace,
-				   int nb_namespaces, const xmlChar **namespaces,
-				   int nb_attributes, int nb_defaulted, const xmlChar **attributes)
-{
-	JabberStream *js = user_data;
-	xmlnode *node;
-	int i;
-
-	if(!element_name) {
-		return;
-	} else if(!strcmp(element_name, "stream")) {
-		js->protocol_version = JABBER_PROTO_0_9;
-		for(i=0; i < nb_attributes * 5; i += 5) {
-			int attrib_len = attributes[i+4] - attributes[i+3];
-			char *attrib = g_malloc(attrib_len + 1);
-			memcpy(attrib, attributes[i+3], attrib_len);
-			attrib[attrib_len] = '\0';
-			       
-			if(!strcmp(attributes[i], "version")
-					&& !strcmp(attrib, "1.0")) {
-				js->protocol_version = JABBER_PROTO_1_0;
-			} else if(!strcmp(attributes[i], "id")) {
-				if(js->stream_id)
-					g_free(js->stream_id);
-				js->stream_id = g_strdup(attrib);
-			}
-			g_free(attrib);
-		}
-		if(js->protocol_version == JABBER_PROTO_0_9)
-			js->auth_type = JABBER_AUTH_IQ_AUTH;
-
-		if(js->state == JABBER_STREAM_INITIALIZING)
-			jabber_stream_set_state(js, JABBER_STREAM_AUTHENTICATING);
-	} else {
-
-		if(js->current)
-			node = xmlnode_new_child(js->current, element_name);
-		else
-			node = xmlnode_new(element_name);
-		xmlnode_set_namespace(node, namespace);
-
-		for(i=0; i < nb_attributes * 5; i+=5) {
-			int attrib_len = attributes[i+4] - attributes[i+3];
-			char *attrib = g_malloc(attrib_len + 1);
-			memcpy(attrib, attributes[i+3], attrib_len);
-			attrib[attrib_len] = '\0';
-			xmlnode_set_attrib(node, attributes[i], attrib);
-			g_free(attrib);
-		}
-
-		js->current = node;
-	}
-}
-
-static void
-jabber_parser_element_end_libxml(void *user_data, const xmlChar *element_name, 
-				 const xmlChar *prefix, const xmlChar *namespace)
-{
-	JabberStream *js = user_data;
-
-	if(!js->current)
-		return;
-
-	if(js->current->parent) {
-		if(!strcmp(js->current->name, element_name))
-			js->current = js->current->parent;
-	} else {
-		xmlnode *packet = js->current;
-		js->current = NULL;
-		jabber_process_packet(js, packet);
-		xmlnode_free(packet);
-	}
-}
-
-static void
-jabber_parser_element_text_libxml(void *user_data, const xmlChar *text, int text_len)
-{
-	JabberStream *js = user_data;
-
-	if(!js->current)
-		return;
-
-	if(!text || !text_len)
-		return;
-
-	xmlnode_insert_data(js->current, text, text_len);
-}
-#endif  /* HAVE_LIBXML */
-
-
-#ifdef HAVE_LIBXML
-static xmlSAXHandler jabber_parser_libxml = {
-	.internalSubset         = NULL,
-	.isStandalone           = NULL,
-	.hasInternalSubset      = NULL,
-	.hasExternalSubset      = NULL,
-	.resolveEntity          = NULL,
-	.getEntity              = NULL,
-	.entityDecl             = NULL,
-	.notationDecl           = NULL,
-	.attributeDecl          = NULL,
-	.elementDecl            = NULL,
-	.unparsedEntityDecl     = NULL,
-	.setDocumentLocator     = NULL,
-	.startDocument          = NULL,
-	.endDocument            = NULL,
-	.startElement           = NULL,
-	.endElement             = NULL,
-	.reference              = NULL,
-	.characters             = jabber_parser_element_text_libxml,
-	.ignorableWhitespace    = NULL,
-	.processingInstruction  = NULL,
-	.comment                = NULL,
-	.warning                = NULL,
-	.error                  = NULL,
-	.fatalError             = NULL,
-	.getParameterEntity     = NULL,
-	.cdataBlock             = NULL,
-	.externalSubset         = NULL,
-	.initialized            = XML_SAX2_MAGIC,
-	._private               = NULL,
-	.startElementNs         = jabber_parser_element_start_libxml,
-	.endElementNs           = jabber_parser_element_end_libxml,
-	.serror                 = NULL
-};
-#else
-static GMarkupParser jabber_parser = {
-	jabber_parser_element_start,
-	jabber_parser_element_end,
-	jabber_parser_element_text,
-	NULL,
-	NULL
-};
-#endif
-
-void
-jabber_parser_setup(JabberStream *js)
-{
-#ifdef HAVE_LIBXML
-	/* This seems backwards, but it makes sense. The libxml code creates the parser
-	 * context when you try to use it (this way, it can figure out the encoding at
-	 * creation time. So, setting up the parser is just a matter of destroying any
-	 * current parser. */
-	if (js->context) {
-		xmlParseChunk(js->context, NULL,0,1);
-		xmlFreeParserCtxt(js->context);
-		js->context = NULL;
-	}
-#else
-	if(!js->context)
-		js->context = g_markup_parse_context_new(&jabber_parser, 0, js, NULL);
-#endif
-}
-
-
-void jabber_parser_process(JabberStream *js, const char *buf, int len)
-{
-
-#ifndef HAVE_LIBXML
-	/* May need to check for other encodings and do the conversion here */
-	if(!g_markup_parse_context_parse(js->context, buf, len, NULL)) {
-		g_markup_parse_context_free(js->context);
-		js->context = NULL;
-		gaim_connection_error(js->gc, _("XML Parse error"));
-	}
-#else
-	if (js->context ==  NULL) {
-		/* libxml inconsistently starts parsing on creating the parser, so so a ParseChunk
-		 * right afterwards to force it. */
-		js->context = xmlCreatePushParserCtxt(&jabber_parser_libxml, js, buf, len, NULL);
-		xmlParseChunk(js->context, NULL, 0, 0);
-	} else if (xmlParseChunk(js->context, buf, len, 0) < 0) {
-		gaim_connection_error(js->gc, _("XML Parse error"));
-	}
-#endif
-}
-

mercurial