src/api/scan_new.c

   1 /* libquvi
   2  * Copyright (C) 2012,2013  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of libquvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this library.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 /** @file scan_new.c */
  22
  23 #include "config.h"
  24
  25 #include <glib.h>
  26
  27 #include "quvi.h"
  28 /* -- */
  29 #include "_quvi_s.h"
  30 #include "_quvi_net_s.h"
  31 #include "_quvi_scan_s.h"
  32 /* -- */
  33 #include "net/handle.h"
  34 #include "net/fetch.h"
  35 #include "lua/exec.h"
  36 #include "misc/scan_new.h"
  37
  38 /** @cond NODOC */
  39 struct _exec_scan_script_s
  40 {
  41   struct
  42   {
  43     _quvi_scan_t scan;
  44     _quvi_net_t net;
  45   } handle;
  46 };
  47
  48 typedef struct _exec_scan_script_s *_exec_scan_script_t;
  49
  50 static void _exec_scan_script(gpointer p, gpointer userdata)
  51 {
  52   _exec_scan_script_t ess = (_exec_scan_script_t) userdata;
  53   _quvi_t q = (ess != NULL) ? ess->handle.scan->handle.quvi : NULL;
  54
  55   if (p == NULL || userdata == NULL)
  56     return;
  57
  58   if (q->status.rc == QUVI_OK)
  59     {
  60       q->status.rc = l_exec_scan_script_parse(
  61                        ess->handle.scan, p,
  62                        ess->handle.net->fetch.content->str);
  63     }
  64 }
  65 /** @endcond */
  66
  67 extern gint c_reset(_quvi_t);
  68
  69 /** @brief Scan URL contents for supported embedded media URLs
  70 @return New handle, @ref quvi_scan_free it when done using it
  71 @note
  72   - Calling this function restores the current @ref sess_handle to its
  73     initial state (cookies cleared, custom headers cleared, default
  74     user-agent string restored, ...)
  75   - Use @ref quvi_ok for checking if an error occurred
  76 @sa @ref scan_media
  77 @ingroup scan
  78 */
  79 quvi_scan_t quvi_scan_new(quvi_t handle, const char *url)
  80 {
  81   _quvi_t q = (_quvi_t) handle;
  82   _quvi_scan_t qs = NULL;
  83
  84   /* If G_DISABLE_CHECKS is defined then the check is not performed. */
  85   g_return_val_if_fail(handle != NULL, NULL);
  86   g_return_val_if_fail(url != NULL, NULL);
  87
  88   c_reset(q);
  89
  90   qs = m_scan_new(q, url);
  91   {
  92     _quvi_net_t n = NULL;
  93     n_fetch(q, &n, qs->url.input->str, NULL);
  94
  95     if (quvi_ok(q) == QUVI_TRUE)
  96       {
  97         struct _exec_scan_script_s e;
  98
  99         e.handle.scan = qs;
 100         e.handle.net = n;
 101
 102         g_slist_foreach(q->scripts.scan, _exec_scan_script, &e);
 103       }
 104     n_free(n);
 105     n = NULL;
 106   }
 107   return (qs);
 108 }
 109
 110 /* vim: set ts=2 sw=2 tw=72 expandtab: */