citadel/modules/rssclient/rss_atom_parser.h

   1 /*
   2  * Bring external RSS feeds into rooms.
   3  *
   4  * Copyright (c) 2007-2012 by the citadel.org team
   5  *
   6  * This program is open source software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 3.
   8  *
   9  *
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  *
  17  *
  18  *
  19  */
  20
  21 #include "internet_addressing.h"
  22
  23 #define RSS_UNSET       (1<<0)
  24 #define RSS_RSS         (1<<1)
  25 #define RSS_ATOM        (1<<2)
  26 #define RSS_REQUIRE_BUF (1<<3)
  27
  28 typedef struct rss_aggregator rss_aggregator;
  29 typedef struct rss_item rss_item;
  30 typedef struct rss_room_counter rss_room_counter;
  31
  32 typedef void (*rss_handler_func)(StrBuf *CData,
  33                                  rss_item *ri,
  34                                  rss_aggregator *Cfg,
  35                                  const char** Attr);
  36
  37
  38 typedef struct __rss_xml_handler {
  39         int              Flags;
  40         rss_handler_func Handler;
  41 }rss_xml_handler;
  42
  43 struct rss_item {
  44         int     done_parsing;
  45         int     item_tag_nesting;
  46         time_t  pubdate;
  47         StrBuf *guid;
  48         StrBuf *title;
  49         StrBuf *link;
  50         StrBuf *linkTitle;
  51         StrBuf *reLink;
  52         StrBuf *reLinkTitle;
  53         StrBuf *description;
  54         StrBuf *channel_title;
  55         StrBuf *author_or_creator;
  56         StrBuf *author_url;
  57         StrBuf *author_email;
  58 };
  59 void flush_rss_item(rss_item *ri);
  60
  61 struct rss_room_counter {
  62         int count;
  63         long QRnumber;
  64 };
  65
  66 typedef struct __networker_save_message {
  67         struct CtdlMessage Msg;
  68         StrBuf *MsgGUID;
  69         StrBuf *Message;
  70
  71         StrBuf *author_email;
  72         StrBuf *author_or_creator;
  73         StrBuf *title;
  74         StrBuf *description;
  75
  76         StrBuf *link;
  77         StrBuf *linkTitle;
  78
  79         StrBuf *reLink;
  80         StrBuf *reLinkTitle;
  81 } networker_save_message;
  82
  83 typedef struct RSSCfgLine RSSCfgLine;
  84 struct RSSCfgLine {
  85         RSSCfgLine *next;
  86         StrBuf *Url;
  87         time_t last_known_good;
  88 };
  89
  90 typedef struct __pRSSConfig {
  91         const RSSCfgLine *pCfg;
  92         long             QRnumber;
  93 }pRSSConfig;
  94
  95 struct rss_aggregator {
  96         AsyncIO          IO;
  97         XML_Parser       xp;
  98
  99         int              ItemType;
 100         int              roomlist_parts;
 101
 102         time_t           last_error_when;
 103         time_t           next_poll;
 104         StrBuf          *Url;
 105         StrBuf          *RedirectUrl;
 106         StrBuf          *rooms;
 107         pRSSConfig       Cfg;
 108         HashList        *OtherQRnumbers;
 109
 110         StrBuf          *CData;
 111         StrBuf          *Key;
 112
 113         rss_item        *Item;
 114         recptypes        recp;
 115         HashPos         *Pos;
 116         HashList        *Messages;
 117         networker_save_message *ThisMsg;
 118 };
 119
 120
 121
 122 eNextState RSSAggregator_ParseReply(AsyncIO *IO);
 123
 124 eNextState RSS_FetchNetworkUsetableEntry(AsyncIO *IO);