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authoretobi <git@e-tobi.net>2013-09-03 09:48:41 +0200
committeretobi <git@e-tobi.net>2013-09-03 09:48:41 +0200
commitab959d7b4194715870128e616b8e29d4a101e488 (patch)
tree61a746231d30817be73416a7d67763fd677a1042 /lib/libesg/representation/textual_decoder_init.c
parent6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff)
downloadlinux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to 'lib/libesg/representation/textual_decoder_init.c')
-rw-r--r--lib/libesg/representation/textual_decoder_init.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/lib/libesg/representation/textual_decoder_init.c b/lib/libesg/representation/textual_decoder_init.c
new file mode 100644
index 0000000..c797d0e
--- /dev/null
+++ b/lib/libesg/representation/textual_decoder_init.c
@@ -0,0 +1,128 @@
+/*
+ * ESG parser
+ *
+ * Copyright (C) 2006 Stephane Este-Gracias (sestegra@free.fr)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <libesg/types.h>
+#include <libesg/representation/textual_decoder_init.h>
+
+struct esg_textual_decoder_init *esg_textual_decoder_init_decode(uint8_t *buffer, uint32_t size) {
+ uint32_t pos;
+ struct esg_textual_decoder_init *decoder_init;
+ struct esg_namespace_prefix *namespace_prefix;
+ struct esg_namespace_prefix *last_namespace_prefix;
+ struct esg_xml_fragment_type *xml_fragment_type;
+ struct esg_xml_fragment_type *last_xml_fragment_type;
+ uint32_t decoder_init_length;
+ uint8_t num_index;
+
+ if ((buffer == NULL) || (size <= 1)) {
+ return NULL;
+ }
+
+ pos = 0;
+
+ decoder_init = (struct esg_textual_decoder_init *) malloc(sizeof(struct esg_textual_decoder_init));
+ memset(decoder_init, 0, sizeof(struct esg_textual_decoder_init));
+ decoder_init->namespace_prefix_list = NULL;
+ decoder_init->xml_fragment_type_list = NULL;
+
+ decoder_init->version = buffer[pos];
+ pos += 1;
+
+ pos += vluimsbf8(buffer+pos, size-pos, &decoder_init_length);
+
+ if (size < pos + decoder_init_length) {
+ esg_textual_decoder_init_free(decoder_init);
+ return NULL;
+ }
+
+ decoder_init->num_namespace_prefixes = buffer[pos];
+ pos += 1;
+
+ last_namespace_prefix = NULL;
+ for (num_index = 0; num_index < decoder_init->num_namespace_prefixes; num_index++) {
+ namespace_prefix = (struct esg_namespace_prefix *) malloc(sizeof(struct esg_namespace_prefix));
+ memset(namespace_prefix, 0, sizeof(struct esg_namespace_prefix));
+ namespace_prefix->_next = NULL;
+
+ if (last_namespace_prefix == NULL) {
+ decoder_init->namespace_prefix_list = namespace_prefix;
+ } else {
+ last_namespace_prefix->_next = namespace_prefix;
+ }
+ last_namespace_prefix = namespace_prefix;
+
+ namespace_prefix->prefix_string_ptr = (buffer[pos] << 8) | buffer[pos+1];
+ pos += 2;
+
+ namespace_prefix->namespace_uri_ptr = (buffer[pos] << 8) | buffer[pos+1];
+ pos += 2;
+ }
+
+ decoder_init->num_fragment_types = buffer[pos];
+ pos += 1;
+
+ last_xml_fragment_type = NULL;
+ for (num_index = 0; num_index < decoder_init->num_fragment_types; num_index++) {
+ xml_fragment_type = (struct esg_xml_fragment_type *) malloc(sizeof(struct esg_xml_fragment_type));
+ memset(xml_fragment_type, 0, sizeof(struct esg_xml_fragment_type));
+ xml_fragment_type->_next = NULL;
+
+ if (last_xml_fragment_type == NULL) {
+ decoder_init->xml_fragment_type_list = xml_fragment_type;
+ } else {
+ last_xml_fragment_type->_next = xml_fragment_type;
+ }
+ last_xml_fragment_type = xml_fragment_type;
+
+ xml_fragment_type->xpath_ptr = (buffer[pos] << 8) | buffer[pos+1];
+ pos += 2;
+
+ xml_fragment_type->xml_fragment_type = (buffer[pos] << 8) | buffer[pos+1];
+ pos += 2;
+ }
+
+ return decoder_init;
+}
+
+void esg_textual_decoder_init_free(struct esg_textual_decoder_init *decoder_init) {
+ struct esg_namespace_prefix *namespace_prefix;
+ struct esg_namespace_prefix *next_namespace_prefix;
+ struct esg_xml_fragment_type *xml_fragment_type;
+ struct esg_xml_fragment_type *next_xml_fragment_type;
+
+ if (decoder_init == NULL) {
+ return;
+ }
+
+ for(namespace_prefix = decoder_init->namespace_prefix_list; namespace_prefix; namespace_prefix = next_namespace_prefix) {
+ next_namespace_prefix = namespace_prefix->_next;
+ free(namespace_prefix);
+ }
+
+ for(xml_fragment_type = decoder_init->xml_fragment_type_list; xml_fragment_type; xml_fragment_type = next_xml_fragment_type) {
+ next_xml_fragment_type = xml_fragment_type->_next;
+ free(xml_fragment_type);
+ }
+
+ free(decoder_init);
+}