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/*
* Copyright (C) 2002-2010
* Emmanuel Saracco <esaracco@users.labs.libre-entreprise.org>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "utils.h"
#include "cache.h"
/**
* uc_cache_change_id:
* @old: Old #UCLinkProperties node id.
* @new: New #UCLinkProperties node id.
*
* Replace "old" with "new" (swap cached files). Mainly used after rescanning
* a link.
*/
void
uc_cache_change_id (const guint32 old, const guint32 new)
{
FILE *fd;
gchar *buffer = NULL;
gchar *path = NULL;
gsize length = 0;
if ((buffer = uc_cache_get_source (new, &length)) == NULL)
return;
path = uc_utils_convert_uid2file (old);
fd = fopen (path, "w");
g_free (path), path = NULL;
g_assert (fd != NULL);
fwrite (buffer, 1, length, fd);
fclose (fd);
path = uc_utils_convert_uid2file (new);
unlink (path);
g_free (path), path = NULL;
g_free (buffer), buffer = NULL;
}
/**
* uc_cache_get_source:
* @id: #UCLinkProperties node id of the wanted link content.
* @length: Set this argument with the size of the returned buffer.
*
* Retreive the source page in cache for a link.
*
* Returns: The source code of the given #UCLinkProperties node id.
*/
gchar *
uc_cache_get_source (const guint32 id, gsize * length)
{
gchar *buffer = NULL;
gchar *path = NULL;
path = uc_utils_convert_uid2file (id);
g_assert (path != NULL);
buffer = uc_utils_get_file_content (path, &(*length));
g_free (path), path = NULL;
return buffer;
}
/**
* uc_cache_append_source:
* @id: #UCLinkProperties node id of the element to put in cache.
* @src: Content to work with.
* @length: Lenght of the given buffer.
*
* Put a source page in the cache.
*/
void
uc_cache_append_source (const guint32 id, gchar * src, const gsize length)
{
FILE *fd = NULL;
gchar *path = NULL;
gchar *src_tmp = NULL;
if (src == NULL || strlen (src) == 0 ||
(path = uc_utils_convert_uid2file (id)) == NULL)
{
g_warning ("No data to cache!");
return;
}
// Pass HTTP header
src_tmp = uc_utils_search_string_next (src, "\r\n\r\n", '<');
if (src_tmp != NULL)
{
fd = fopen (path, "wb");
g_assert (fd != NULL);
fwrite (src_tmp, 1, length, fd);
fclose (fd);
}
g_free (path), path = NULL;
}
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