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);
+}