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Before this patch, first text nodes like the spaces between <a> and <b> below were also travered by LAB_XML_FOR_EACH(): <a> <b>foo</b></a>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef LABWC_XML_H
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#define LABWC_XML_H
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#include <libxml/tree.h>
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#include <stdbool.h>
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/*
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* Converts dotted attributes into nested nodes.
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* For example, the following node:
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*
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* <keybind name.action="ShowMenu" menu.action="root-menu"
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* x.position.action="1" y.position.action="2" />
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*
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* is converted to:
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*
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* <keybind>
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* <action>
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* <name>ShowMenu</name>
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* <menu>root-menu</menu>
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* <position>
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* <x>1</x>
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* <y>2</y>
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* </position>
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* </action>
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* </keybind>
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*/
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void lab_xml_expand_dotted_attributes(xmlNode *root);
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/* Returns true if the node only contains a string or is empty */
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bool lab_xml_node_is_leaf(xmlNode *node);
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bool lab_xml_get_node(xmlNode *node, const char *key, xmlNode **dst_node);
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bool lab_xml_get_string(xmlNode *node, const char *key, char *s, size_t len);
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bool lab_xml_get_int(xmlNode *node, const char *key, int *i);
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bool lab_xml_get_bool(xmlNode *node, const char *key, bool *b);
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/* also skips other unusual nodes like comments */
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static inline xmlNode *
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lab_xml_skip_text(xmlNode *child)
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{
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while (child && child->type != XML_ELEMENT_NODE) {
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child = child->next;
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}
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return child;
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}
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static inline void
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lab_xml_get_key_and_content(xmlNode *node, char **name, char **content)
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{
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if (node) {
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*name = (char *)node->name;
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*content = (char *)xmlNodeGetContent(node);
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}
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}
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#define LAB_XML_FOR_EACH(parent, child, key, content) \
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for ((child) = lab_xml_skip_text((parent)->children), \
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lab_xml_get_key_and_content((child), &(key), &(content)); \
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\
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(child); \
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\
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xmlFree((xmlChar *)(content)), \
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(child) = lab_xml_skip_text((child)->next), \
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lab_xml_get_key_and_content((child), &(key), &(content)))
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#endif /* LABWC_XML_H */
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