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common/xml: add helpers to parse rc.xml

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tokyo4j 2025-04-11 20:25:12 +09:00 • committed by Johan Malm
parent 503af10505
commit 8881841098
4 changed files with 109 additions and 0 deletions
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39
include/common/xml.h
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@ -3,6 +3,7 @@
#define LABWC_XML_H
#include <libxml/tree.h>
#include <stdbool.h>
/*
* Converts dotted attributes into nested nodes.
@ -26,4 +27,42 @@
*/
void lab_xml_expand_dotted_attributes(xmlNode *root);
/* Returns true if the node only contains a string or is empty */
bool lab_xml_node_is_leaf(xmlNode *node);
bool lab_xml_get_node(xmlNode *node, const char *key, xmlNode **dst_node);
bool lab_xml_get_string(xmlNode *node, const char *key, char *s, size_t len);
bool lab_xml_get_int(xmlNode *node, const char *key, int *i);
bool lab_xml_get_bool(xmlNode *node, const char *key, bool *b);
static inline xmlNode *
lab_xml_get_next_child(xmlNode *child)
{
if (!child) {
return NULL;
}
do {
child = child->next;
} while (child && child->type != XML_ELEMENT_NODE);
return child;
}
static inline void
lab_xml_get_key_and_content(xmlNode *node, char **name, char **content)
{
if (node) {
*name = (char *)node->name;
*content = (char *)xmlNodeGetContent(node);
}
}
#define LAB_XML_FOR_EACH(parent, child, key, content) \
for ((child) = (parent)->children, \
lab_xml_get_key_and_content((child), &(key), &(content)); \
(child); \
xmlFree((xmlChar *)(content)), \
(child) = lab_xml_get_next_child(child), \
lab_xml_get_key_and_content((child), &(key), &(content)))
#endif /* LABWC_XML_H */