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/*
* ui_albumart.c
* Copyright 2006-2013 Michael Hanselmann, Yoshiki Yazawa, and John Lindgren
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions, and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions, and the following disclaimer in the documentation
* provided with the distribution.
*
* This software is provided "as is" and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising from
* the use of this software.
*/
#include <glib.h>
#include <string.h>
#include <libaudcore/audstrings.h>
#include "i18n.h"
#include "main.h"
#include "misc.h"
#include "util.h"
typedef struct {
const char * basename;
Index * include, * exclude;
} SearchParams;
static bool_t has_front_cover_extension (const char * name)
{
char * ext = strrchr (name, '.');
if (! ext)
return FALSE;
return ! g_ascii_strcasecmp (ext, ".jpg") ||
! g_ascii_strcasecmp (ext, ".jpeg") || ! g_ascii_strcasecmp (ext, ".png");
}
static bool_t cover_name_filter (const char * name, Index * keywords, bool_t ret_on_empty)
{
int count = index_count (keywords);
if (! count)
return ret_on_empty;
for (int i = 0; i < count; i ++)
{
if (strstr_nocase (name, index_get (keywords, i)))
return TRUE;
}
return FALSE;
}
static bool_t is_file_image (const char * imgfile, const char * file_name)
{
char * imgfile_ext = strrchr (imgfile, '.');
if (! imgfile_ext)
return FALSE;
char * file_name_ext = strrchr (file_name, '.');
if (! file_name_ext)
return FALSE;
size_t imgfile_len = imgfile_ext - imgfile;
size_t file_name_len = file_name_ext - file_name;
return imgfile_len == file_name_len && ! g_ascii_strncasecmp (imgfile, file_name, imgfile_len);
}
static char * fileinfo_recursive_get_image (const char * path,
const SearchParams * params, int depth)
{
GDir * d = g_dir_open (path, 0, NULL);
if (! d)
return NULL;
const char * name;
if (get_bool (NULL, "use_file_cover") && ! depth)
{
/* Look for images matching file name */
while ((name = g_dir_read_name (d)))
{
char * newpath = filename_build (path, name);
if (! g_file_test (newpath, G_FILE_TEST_IS_DIR) &&
has_front_cover_extension (name) &&
is_file_image (name, params->basename))
{
g_dir_close (d);
return newpath;
}
str_unref (newpath);
}
g_dir_rewind (d);
}
/* Search for files using filter */
while ((name = g_dir_read_name (d)))
{
char * newpath = filename_build (path, name);
if (! g_file_test (newpath, G_FILE_TEST_IS_DIR) &&
has_front_cover_extension (name) &&
cover_name_filter (name, params->include, TRUE) &&
! cover_name_filter (name, params->exclude, FALSE))
{
g_dir_close (d);
return newpath;
}
str_unref (newpath);
}
g_dir_rewind (d);
if (get_bool (NULL, "recurse_for_cover") && depth < get_int (NULL, "recurse_for_cover_depth"))
{
/* Descend into directories recursively. */
while ((name = g_dir_read_name (d)))
{
char * newpath = filename_build (path, name);
if (g_file_test (newpath, G_FILE_TEST_IS_DIR))
{
char * tmp = fileinfo_recursive_get_image (newpath, params, depth + 1);
if (tmp)
{
str_unref (newpath);
g_dir_close (d);
return tmp;
}
}
str_unref (newpath);
}
}
g_dir_close (d);
return NULL;
}
char * get_associated_image_file (const char * filename)
{
char * image_uri = NULL;
char * local = uri_to_filename (filename);
char * base = local ? last_path_element (local) : NULL;
if (local && base)
{
char * include = get_str (NULL, "cover_name_include");
char * exclude = get_str (NULL, "cover_name_exclude");
SearchParams params = {
.basename = base,
.include = str_list_to_index (include, ", "),
.exclude = str_list_to_index (exclude, ", ")
};
str_unref (include);
str_unref (exclude);
SNCOPY (path, local, base - 1 - local);
char * image_local = fileinfo_recursive_get_image (path, & params, 0);
if (image_local)
image_uri = filename_to_uri (image_local);
str_unref (image_local);
index_free_full (params.include, (IndexFreeFunc) str_unref);
index_free_full (params.exclude, (IndexFreeFunc) str_unref);
}
str_unref (local);
return image_uri;
}
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