const std::vector<CMyHtmlParser::HtmlTag>& CMyHtmlParser::parse(const QByteArray& html)
{
_tags.clear();
_tree = myhtml_tree_create();
assert_r(_tree);
assert_r(myhtml_tree_init(_tree, _myhtmlInstance) == MyCORE_STATUS_OK);
myhtml_callback_tree_node_insert_set(_tree, &CMyHtmlParser::callbackNodeInserted, this);
/*
* From Specification:
*
* The authoring conformance requirements for character encoding declarations limit them to only
* appearing in the first 1024 bytes. User agents are therefore encouraged to use the prescan
* algorithm below (as invoked by these steps) on the first 1024 bytes, but not to stall beyond that.
*/
_encoding = myencoding_prescan_stream_to_determine_encoding(html.data(), std::min(html.size(), 1024));
if (_encoding == MyENCODING_NOT_DETERMINED)
{
assert_unconditional_r("Failed to determine data encoding");
_encoding = MyENCODING_UTF_8;
}
assert_r(myhtml_parse(_tree, _encoding, html.data(), html.size()) == MyCORE_STATUS_OK);
myhtml_tree_destroy(_tree);
return _tags;
}
int main(int argc, const char * argv[])
{
const char* path;
if (argc == 2) {
path = argv[1];
}
else {
printf("Bad ARGV!\nUse: callback_tree_node_high_level <path_to_html_file>\n");
exit(EXIT_FAILURE);
}
struct res_html res = load_html_file(path);
// basic init
myhtml_t* myhtml = myhtml_create();
myhtml_init(myhtml, MyHTML_OPTIONS_DEFAULT, 1, 0);
// init tree
myhtml_tree_t* tree = myhtml_tree_create();
myhtml_tree_init(tree, myhtml);
// set callbacks
myhtml_callback_tree_node_insert_set(tree, callback_node_insert, NULL);
myhtml_callback_tree_node_remove_set(tree, callback_node_remove, NULL);
// parse html
myhtml_parse(tree, MyENCODING_UTF_8, res.html, res.size);
// release resources
myhtml_tree_destroy(tree);
myhtml_destroy(myhtml);
free(res.html);
return 0;
}
