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/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef HTML_PARSER_H
#define HTML_PARSER_H
#include "nghttp2_config.h"
#include <vector>
#include <string>
#ifdef HAVE_LIBXML2
# include <libxml/HTMLparser.h>
#endif // HAVE_LIBXML2
namespace nghttp2 {
enum ResourceType {
REQ_CSS = 1,
REQ_JS,
REQ_UNBLOCK_JS,
REQ_IMG,
REQ_OTHERS,
};
struct ParserData {
std::string base_uri;
std::vector<std::pair<std::string, ResourceType>> links;
// > 0 if we are inside "head" element.
int inside_head;
ParserData(const std::string &base_uri);
};
#ifdef HAVE_LIBXML2
class HtmlParser {
public:
HtmlParser(const std::string &base_uri);
~HtmlParser();
int parse_chunk(const char *chunk, size_t size, int fin);
const std::vector<std::pair<std::string, ResourceType>> &get_links() const;
void clear_links();
private:
int parse_chunk_internal(const char *chunk, size_t size, int fin);
std::string base_uri_;
htmlParserCtxtPtr parser_ctx_;
ParserData parser_data_;
};
#else // !HAVE_LIBXML2
class HtmlParser {
public:
HtmlParser(const std::string &base_uri) {}
int parse_chunk(const char *chunk, size_t size, int fin) { return 0; }
const std::vector<std::pair<std::string, ResourceType>> &get_links() const {
return links_;
}
void clear_links() {}
private:
std::vector<std::pair<std::string, ResourceType>> links_;
};
#endif // !HAVE_LIBXML2
} // namespace nghttp2
#endif // HTML_PARSER_H
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