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#ifndef QUICKMEDIA_HTML_SEARCH_H
#define QUICKMEDIA_HTML_SEARCH_H
#include "NodeSearch.h"
#include <HtmlParser.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct QuickMediaHtmlAttribute QuickMediaHtmlAttribute;
typedef struct QuickMediaHtmlNode QuickMediaHtmlNode;
typedef struct QuickMediaHtmlChildNode QuickMediaHtmlChildNode;
typedef struct QuickMediaTextNode QuickMediaTextNode;
typedef struct {
char *data;
size_t size;
size_t capacity;
} QuickMediaString;
struct QuickMediaHtmlAttribute {
QuickMediaStringView key;
QuickMediaStringView value;
QuickMediaHtmlAttribute *next;
};
struct QuickMediaHtmlNode {
int is_tag; /* 0 = text, 1 = tag */
QuickMediaStringView name; /* name if the node is a tag, text if the node is a text */
QuickMediaHtmlAttribute *first_attribute;
QuickMediaHtmlAttribute *last_attribute;
QuickMediaHtmlChildNode *first_child;
QuickMediaHtmlChildNode *last_child;
QuickMediaHtmlNode *parent;
};
struct QuickMediaHtmlChildNode {
QuickMediaHtmlNode node;
QuickMediaHtmlChildNode *next;
};
typedef struct {
QuickMediaHtmlNode *node;
QuickMediaString __str;
} QuickMediaMatchNode;
typedef struct {
QuickMediaHtmlNode root_node;
} QuickMediaHtmlSearch;
/*
Returns an empty string view if attribute doesn't exist or if it doesn't have any value.
The result is only valid within the callback function scope.
*/
QuickMediaStringView quickmedia_html_node_get_attribute_value(QuickMediaMatchNode *self, const char *attribute_name);
/*
Returns an empty string if the node doesn't have any text or if there was an error creating the text.
The result is only valid within the callback function scope.
*/
QuickMediaStringView quickmedia_html_node_get_text(QuickMediaMatchNode *self);
/* @node is only valid within the callback function scope. Return 0 to continue */
typedef int (*QuickMediaHtmlSearchResultCallback)(QuickMediaMatchNode *node, void *userdata);
/* |html_source| should be in utf8 format and may contain utf8 BOM */
int quickmedia_html_search_init(QuickMediaHtmlSearch *self, const char *html_source, size_t size);
void quickmedia_html_search_deinit(QuickMediaHtmlSearch *self);
/* Non-standard xpath. Doesn't use '@' symbol for accessing properties. Returns non-0 value if there is a syntax error in the xpath */
int quickmedia_html_find_nodes_xpath(QuickMediaHtmlSearch *self, const char *xpath, QuickMediaHtmlSearchResultCallback result_callback, void *userdata);
#ifdef __cplusplus
}
#endif
#endif
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