src/api/http_metainfo_get.c

   1 /* libquvi
   2  * Copyright (C) 2012  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 http_metainfo_get.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_http_metainfo_s.h"
  31
  32 static QuviError _http_metainfo_get(_quvi_http_metainfo_t v,
  33                                     QuviHTTPMetaInfoProperty n, ...)
  34 {
  35   QuviError rc;
  36   gdouble *dp;
  37   va_list arg;
  38   gchar **sp;
  39   gint type;
  40
  41   va_start(arg, n);
  42   type = QUVI_HTTP_METAINFO_PROPERTY_TYPE_MASK & (gint) n;
  43
  44   dp = NULL;
  45   sp = NULL;
  46
  47   rc = QUVI_OK;
  48
  49   switch (type)
  50     {
  51     case QUVI_HTTP_METAINFO_PROPERTY_TYPE_STRING:
  52       sp = va_arg(arg, gchar**);
  53       if (sp == NULL)
  54         rc = QUVI_ERROR_INVALID_ARG;
  55       break;
  56     case QUVI_HTTP_METAINFO_PROPERTY_TYPE_DOUBLE:
  57       dp = va_arg(arg, gdouble*);
  58       if (dp == NULL)
  59         rc = QUVI_ERROR_INVALID_ARG;
  60       break;
  61     default:
  62       rc = QUVI_ERROR_INVALID_ARG;
  63       break;
  64     }
  65   va_end(arg);
  66
  67   if (rc != QUVI_OK)
  68     return (rc);
  69
  70   switch (n)
  71     {
  72     case QUVI_HTTP_METAINFO_PROPERTY_FILE_EXTENSION:
  73       *sp = v->file_ext->str;
  74       break;
  75     case QUVI_HTTP_METAINFO_PROPERTY_LENGTH_BYTES:
  76       *dp = v->length_bytes;
  77       break;
  78     case QUVI_HTTP_METAINFO_PROPERTY_CONTENT_TYPE:
  79       *sp = v->content_type->str;
  80       break;
  81     default:
  82       rc = QUVI_ERROR_INVALID_ARG;
  83       break;
  84     }
  85   return (rc);
  86 }
  87
  88 /** @brief Return a HTTP meta-info property
  89 @sa @ref http_metainfo
  90 @ingroup http_metainfo
  91 */
  92 void quvi_http_metainfo_get(quvi_http_metainfo_t handle,
  93                             QuviHTTPMetaInfoProperty property, ...)
  94 {
  95   _quvi_http_metainfo_t v;
  96   va_list arg;
  97   gpointer p;
  98   _quvi_t q;
  99
 100   /* If G_DISABLE_CHECKS is defined then the check is not performed. */
 101   g_return_if_fail(handle != NULL);
 102
 103   va_start(arg, property);
 104   p = va_arg(arg, gpointer);
 105   va_end(arg);
 106
 107   v = (_quvi_http_metainfo_t) handle;
 108   q = v->handle.quvi;
 109
 110   q->status.rc = _http_metainfo_get(v, property, p);
 111 }
 112
 113 /* vim: set ts=2 sw=2 tw=72 expandtab: */