#ifndef HTML_TREE_H
#define HTML_TREE_H
#include
#include
#ifdef __cplusplus
extern "C" {
#endif
typedef struct HtmlNode HtmlNode;
typedef struct HtmlNodeChild HtmlNodeChild;
typedef struct HtmlAttribute HtmlAttribute;
typedef enum {
HTML_NODE_NODE,
HTML_NODE_TEXT,
HTML_NODE_JS
} HtmlNodeType;
/* text and javascript code are also html nodes */
struct HtmlNode {
HtmlStringView name_or_value; /* name of the node if |node_type| is HTML_NODE_NODE, otherwise the text/code value */
HtmlNode *parent;
HtmlNodeChild *first_child;
HtmlNodeChild *last_child;
HtmlAttribute *first_attr;
HtmlNodeType node_type;
};
struct HtmlNodeChild {
HtmlNode node;
HtmlNodeChild *next;
};
struct HtmlAttribute {
HtmlStringView key;
HtmlStringView value;
HtmlAttribute *next;
};
typedef struct {
HtmlNode root_node; /* This is not the node. The root_node is always a node with no name and no attributes and only has children */
} HtmlTree;
/*
Returns 0 on success.
Input text is expected to be in utf8 and may or may not have UTF8-BOM.
|html_source| has to be valid until |html_tree_deinit| is called to free the html node |self|.
*/
int html_parse_to_tree(HtmlTree *self, const char *html_source, size_t len);
void html_tree_deinit(HtmlTree *self);
/* Case insensitive match. Returns NULL if not found */
HtmlAttribute* html_node_get_attribute_by_name(HtmlNode *self, HtmlStringView name);
/*
Returns NULL if not found.
This function is not recursive.
Case insensitive search.
*/
HtmlNode* html_node_find_child(HtmlNode *self, const char *tag_name, const char *attribute_name, const char *attribute_value);
#ifdef __cplusplus
}
#endif
#endif /* HTML_TREE_H */