author | Samuel Tesla <stesla@engineyard.com> |
Mon, 09 Mar 2009 18:05:59 -0500 | |
changeset 593 | 2c04915af500 |
parent 518 | cdd6a0c5b439 |
child 602 | 3bcd644fe1ba |
permissions | -rw-r--r-- |
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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/* |
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* Copyright (C) 2003 Imendio AB |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this program; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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#include <config.h> |
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#include <string.h> |
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#include <glib.h> |
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#include "lm-debug.h" |
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#include "lm-internals.h" |
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#include "lm-message-node.h" |
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#include "lm-parser.h" |
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#define SHORT_END_TAG "/>" |
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#define XML_MAX_DEPTH 5 |
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#define LM_PARSER(o) ((LmParser *) o) |
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struct LmParser { |
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LmParserMessageFunction function; |
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gpointer user_data; |
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GDestroyNotify notify; |
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LmMessageNode *cur_root; |
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LmMessageNode *cur_node; |
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GMarkupParser *m_parser; |
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GMarkupParseContext *context; |
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}; |
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/* Used while parsing */ |
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static void parser_start_node_cb (GMarkupParseContext *context, |
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const gchar *node_name, |
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const gchar **attribute_names, |
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const gchar **attribute_values, |
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gpointer user_data, |
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GError **error); |
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static void parser_end_node_cb (GMarkupParseContext *context, |
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const gchar *node_name, |
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gpointer user_data, |
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GError **error); |
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static void parser_text_cb (GMarkupParseContext *context, |
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const gchar *text, |
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gsize text_len, |
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gpointer user_data, |
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GError **error); |
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static void parser_error_cb (GMarkupParseContext *context, |
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GError *error, |
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gpointer user_data); |
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static void |
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parser_start_node_cb (GMarkupParseContext *context, |
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const gchar *node_name, |
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const gchar **attribute_names, |
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const gchar **attribute_values, |
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gpointer user_data, |
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GError **error) |
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{ |
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LmParser *parser; |
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gint i; |
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parser = LM_PARSER (user_data);; |
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/* parser->cur_depth++; */ |
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if (!parser->cur_root) { |
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/* New toplevel element */ |
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parser->cur_root = _lm_message_node_new (node_name); |
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parser->cur_node = parser->cur_root; |
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} else { |
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LmMessageNode *parent_node; |
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parent_node = parser->cur_node; |
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parser->cur_node = _lm_message_node_new (node_name); |
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_lm_message_node_add_child_node (parent_node, |
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parser->cur_node); |
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} |
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for (i = 0; attribute_names[i]; ++i) { |
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g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_PARSER, |
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"ATTRIBUTE: %s = %s\n", |
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attribute_names[i], |
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attribute_values[i]); |
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lm_message_node_set_attributes (parser->cur_node, |
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attribute_names[i], |
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attribute_values[i], |
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NULL); |
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} |
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if (strcmp ("stream:stream", node_name) == 0) { |
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parser_end_node_cb (context, |
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"stream:stream", |
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user_data, |
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error); |
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} |
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} |
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static void |
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parser_end_node_cb (GMarkupParseContext *context, |
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const gchar *node_name, |
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gpointer user_data, |
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GError **error) |
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{ |
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LmParser *parser; |
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parser = LM_PARSER (user_data); |
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g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_PARSER, |
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"Trying to close node: %s\n", node_name); |
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if (!parser->cur_node) { |
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/* FIXME: LM-1 should look at this */ |
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return; |
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} |
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if (strcmp (parser->cur_node->name, node_name) != 0) { |
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if (strcmp (node_name, "stream:stream")) { |
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g_print ("Got an stream:stream end\n"); |
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} |
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142 |
g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_PARSER, |
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143 |
"Trying to close node that isn't open: %s", |
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144 |
node_name); |
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145 |
return; |
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146 |
} |
1 | 147 |
|
518
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148 |
if (parser->cur_node == parser->cur_root) { |
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149 |
LmMessage *m; |
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150 |
|
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151 |
m = _lm_message_new_from_node (parser->cur_root); |
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152 |
|
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153 |
if (!m) { |
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154 |
g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_PARSER, |
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155 |
"Couldn't create message: %s\n", |
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156 |
parser->cur_root->name); |
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157 |
return; |
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158 |
} |
1 | 159 |
|
518
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160 |
g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_PARSER, |
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161 |
"Have a new message\n"); |
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162 |
if (parser->function) { |
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163 |
(* parser->function) (parser, m, parser->user_data); |
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164 |
} |
1 | 165 |
|
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166 |
lm_message_unref (m); |
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167 |
lm_message_node_unref (parser->cur_root); |
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168 |
|
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169 |
|
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parser->cur_node = parser->cur_root = NULL; |
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171 |
} else { |
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172 |
LmMessageNode *tmp_node; |
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173 |
tmp_node = parser->cur_node; |
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174 |
parser->cur_node = parser->cur_node->parent; |
84
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175 |
|
518
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176 |
lm_message_node_unref (tmp_node); |
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177 |
} |
1 | 178 |
} |
179 |
||
180 |
static void |
|
181 |
parser_text_cb (GMarkupParseContext *context, |
|
518
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182 |
const gchar *text, |
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183 |
gsize text_len, |
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184 |
gpointer user_data, |
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185 |
GError **error) |
1 | 186 |
{ |
518
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187 |
LmParser *parser; |
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188 |
|
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189 |
g_return_if_fail (user_data != NULL); |
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190 |
|
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191 |
parser = LM_PARSER (user_data); |
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192 |
|
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193 |
if (parser->cur_node && strcmp (text, "") != 0) { |
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194 |
lm_message_node_set_value (parser->cur_node, text); |
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195 |
} |
1 | 196 |
} |
197 |
||
198 |
static void |
|
199 |
parser_error_cb (GMarkupParseContext *context, |
|
518
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200 |
GError *error, |
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201 |
gpointer user_data) |
1 | 202 |
{ |
518
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203 |
g_return_if_fail (user_data != NULL); |
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204 |
g_return_if_fail (error != NULL); |
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205 |
|
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206 |
g_log (LM_LOG_DOMAIN, LM_LOG_LEVEL_PARSER, |
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207 |
"Parsing failed: %s\n", error->message); |
1 | 208 |
} |
209 |
||
210 |
LmParser * |
|
211 |
lm_parser_new (LmParserMessageFunction function, |
|
518
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212 |
gpointer user_data, |
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213 |
GDestroyNotify notify) |
1 | 214 |
{ |
518
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215 |
LmParser *parser; |
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216 |
|
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217 |
parser = g_new0 (LmParser, 1); |
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218 |
if (!parser) { |
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219 |
return NULL; |
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220 |
} |
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221 |
|
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222 |
parser->m_parser = g_new0 (GMarkupParser, 1); |
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223 |
if (!parser->m_parser) { |
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224 |
g_free (parser); |
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225 |
return NULL; |
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226 |
} |
1 | 227 |
|
518
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228 |
parser->function = function; |
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229 |
parser->user_data = user_data; |
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230 |
parser->notify = notify; |
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231 |
|
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232 |
parser->m_parser->start_element = parser_start_node_cb; |
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233 |
parser->m_parser->end_element = parser_end_node_cb; |
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234 |
parser->m_parser->text = parser_text_cb; |
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235 |
parser->m_parser->error = parser_error_cb; |
1 | 236 |
|
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237 |
parser->context = g_markup_parse_context_new (parser->m_parser, 0, |
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238 |
parser, NULL); |
1 | 239 |
|
518
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240 |
parser->cur_root = NULL; |
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241 |
parser->cur_node = NULL; |
1 | 242 |
|
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243 |
return parser; |
1 | 244 |
} |
245 |
||
399
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|
246 |
gboolean |
1 | 247 |
lm_parser_parse (LmParser *parser, const gchar *string) |
248 |
{ |
|
518
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249 |
g_return_val_if_fail (parser != NULL, FALSE); |
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250 |
|
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251 |
if (!parser->context) { |
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252 |
parser->context = g_markup_parse_context_new (parser->m_parser, 0, |
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253 |
parser, NULL); |
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254 |
} |
102
f47119027379
2004-10-30 Mikael Hallendal <micke@imendio.com>
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|
255 |
|
518
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256 |
if (g_markup_parse_context_parse (parser->context, string, |
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257 |
(gssize)strlen (string), NULL)) { |
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258 |
return TRUE; |
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259 |
} else { |
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260 |
g_markup_parse_context_free (parser->context); |
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261 |
parser->context = NULL; |
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262 |
return FALSE; |
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} |
1 | 264 |
} |
265 |
||
266 |
void |
|
267 |
lm_parser_free (LmParser *parser) |
|
268 |
{ |
|
518
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269 |
if (parser->notify) { |
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(* parser->notify) (parser->user_data); |
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} |
153
b2324df84971
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hallski <hallski>
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272 |
|
518
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if (parser->context) { |
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g_markup_parse_context_free (parser->context); |
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} |
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g_free (parser->m_parser); |
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g_free (parser); |
1 | 278 |
} |
279 |