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