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/*
* In this file we put utility functions shared by all bindings.
*
* They usually are data structure manipulation or conversion functions.
*/
#include <libxml/tree.h>
#include "../lasso/utils.h"
/**
* lasso_string_fragment_to_xmlnode:
* @fragment: a fragment of an XML document
* @size:
*
* Try to get one and only one node from a string, the node can be a simple string or a single node.
*
* Return value: a newly allocated xmlNode* or NULL if parsing fails.
*/
static xmlNode*
lasso_string_fragment_to_xmlnode(const char *fragment, int size) {
xmlDoc *doc = NULL;
xmlNode *node = NULL;
xmlNode *list = NULL, *ref = NULL;
xmlParserErrors errors;
if (size == 0) {
size = strlen(fragment);
}
/* single node case, with preceding or following spaces */
doc = xmlReadMemory(fragment, size, NULL, NULL, XML_PARSE_NONET);
if (doc) {
node = xmlDocGetRootElement(doc);
if (node != NULL) {
node = xmlCopyNode(node, 1);
goto cleanup;
}
lasso_release_doc(doc);
}
/* simple string */
doc = xmlNewDoc(BAD_CAST "1.0");
ref = xmlNewNode(NULL, BAD_CAST "root");
xmlDocSetRootElement(doc, ref);
errors = xmlParseInNodeContext(ref, fragment, size,
XML_PARSE_NONET, &list);
if (errors == XML_ERR_OK && list != NULL && list->next == NULL) {
node = xmlCopyNode(list, 1);
}
cleanup:
lasso_release_doc(doc);
lasso_release_xml_node_list(list);
return node;
}
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