add youtube feeds parser

Origin commit data
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Branch: ni/coolstream
Commit: 3e88fb4ab3
Author: [CST] Focus <focus.cst@gmail.com>
Date: 2013-05-29 (Wed, 29 May 2013)


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No further description and justification available within origin commit message!

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This commit was generated by Migit

src/system/ytparser.h

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+/*
+        Copyright (C) 2013 CoolStream International Ltd
+
+        License: GPLv2
+
+        This program is free software; you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation;
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program; if not, write to the Free Software
+        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __YT_PARSER__
+#define __YT_PARSER__
+
+#include <curl/curl.h>
+#include <curl/easy.h>
+
+#include <vector>
+#include <string>
+#include <map>
+#include <xmltree/xmlinterface.h>
+
+class cYTVideoUrl
+{
+	public:
+		std::string quality;
+		std::string type;
+		std::string sig;
+		std::string url;
+
+		std::string GetUrl();
+};
+
+typedef std::map<int, cYTVideoUrl> yt_urlmap_t;
+typedef std::pair<int, cYTVideoUrl> yt_urlmap_pair_t;
+typedef yt_urlmap_t::iterator yt_urlmap_iterator_t;
+
+class cYTVideoInfo
+{
+	public:
+		std::string id;
+		std::string title;
+		std::string author;
+		std::string description;
+		std::string category;
+		std::string thumbnail;
+		std::string tfile;
+		std::string published;
+		int duration;
+		yt_urlmap_t formats;
+
+		void Dump();
+		std::string GetUrl(int fmt = 0);
+		
+};
+
+typedef std::vector<cYTVideoInfo> yt_video_list_t;
+
+class cYTFeedParser
+{
+	private:
+		std::string error;
+		std::string thumbnail_dir;
+		std::string curfeed;
+		std::string curfeedfile;
+		std::string tquality; // thumbnail size
+		std::string region; // more results
+		std::string next; // next results
+		std::string prev; // prev results
+		std::string start; // start index
+		std::string total; // total results
+
+		int feedmode;
+		int max_results;
+		bool parsed;
+		yt_video_list_t videos;
+
+		std::string getXmlName(xmlNodePtr node);
+		std::string getXmlAttr(xmlNodePtr node, const char * attr);
+		std::string getXmlData(xmlNodePtr node);
+
+		static size_t CurlWriteToString(void *ptr, size_t size, size_t nmemb, void *data);
+		static void decodeUrl(std::string &url);
+		static void splitString(std::string &str, std::string delim, std::vector<std::string> &strlist, int start = 0);
+		static void splitString(std::string &str, std::string delim, std::map<std::string,std::string> &strmap, int start = 0);
+		static bool saveToFile(const char * name, std::string str);
+		bool getUrl(std::string &url, std::string &answer);
+		bool DownloadUrl(std::string &url, std::string &file);
+		bool parseFeedXml(std::string &answer);
+		bool decodeVideoInfo(std::string &answer, cYTVideoInfo &vinfo);
+		bool supportedFormat(int fmt);
+		bool ParseFeed(std::string &url);
+	public:
+		enum yt_feed_mode_t
+		{
+			TOP_RATED,
+			TOP_FAVORITES,
+			MOST_SHARED,
+			MOST_POPULAR,
+			MOST_RESENT,
+			MOST_DISCUSSED,
+			MOST_RESPONDED,
+			RECENTLY_FEATURED,
+			ON_THE_WEB,
+			FEED_LAST,
+			NEXT,
+			PREV,
+			RELATED,
+			SEARCH,
+			MODE_LAST
+		};
+		cYTFeedParser();
+		~cYTFeedParser();
+
+		bool ParseFeed(yt_feed_mode_t mode = MOST_POPULAR, std::string search = "", std::string vid = "");
+		bool ParseVideoInfo(cYTVideoInfo &vinfo);
+		bool GetVideoUrls();
+		bool DownloadThumbnails();
+		void Dump();
+		void Cleanup(bool delete_thumbnails = true);
+
+		yt_video_list_t &GetVideoList() { return videos; }
+		bool Parsed() { return parsed; }
+		int GetFeedMode() { return feedmode; }
+		bool HaveNext(void) { return !next.empty(); }
+		bool HavePrev(void) { return !prev.empty(); }
+		std::string GetTotal(void) { return total; }
+		std::string GetError(void) { return error; }
+
+		void SetRegion(std::string reg) { region = reg; }
+		void SetMaxResults(int count) { max_results = count; }
+};
+
+#endif