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/*
*
* (c) 2006 by Kalle Wallin <kaw@linux.se>
* Thu Dec 28 23:17:38 2006
*
* 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 <unistd.h>
#include <string.h>
#include "../config.h"
#include "src_lyrics.h"
#define PLUGIN_DIR_USER "/.ncmpc/plugins"
int get_text_line(formed_text *text, int num, char *dest, int len)
{
memset(dest, '\0', len*sizeof(char));
if(num >= text->lines->len-1) return -1;
int linelen;
if(num == 0)
{
linelen = g_array_index(text->lines, int, num);
memcpy(dest, text->text->str, linelen*sizeof(char));
}
else if(num == 1)
{ //dont ask me why, but this is needed....
linelen = g_array_index(text->lines, int, num)
- g_array_index(text->lines, int, num-1);
memcpy(dest, &text->text->str[g_array_index(text->lines, int, num-1)],
linelen*sizeof(char));
}
else
{
linelen = g_array_index(text->lines, int, num+1)
- g_array_index(text->lines, int, num);
memcpy(dest, &text->text->str[g_array_index(text->lines, int, num)],
linelen*sizeof(char));
}
dest[linelen] = '\n';
dest[linelen+1] = '\0';
return 0;
}
void add_text_line(formed_text *dest, const char *src, int len)
{
// need this because g_array_append_val doesnt work with literals
// and expat sends "\n" as an extra line everytime
if(len == 0)
{
dest->val = strlen(src);
if(dest->lines->len > 0) dest->val += g_array_index(dest->lines, int,
dest->lines->len-1);
g_string_append(dest->text, src);
g_array_append_val(dest->lines, dest->val);
return;
}
if(len > 1 || dest->val == 0)
{
dest->val = len;
if(dest->lines->len > 0) dest->val += g_array_index(dest->lines, int,
dest->lines->len-1);
}
else if (len < 6 && dest->val != 0) dest->val = 0;
if(dest->val > 0)
{
g_string_append_len(dest->text, src, len);
g_array_append_val(dest->lines, dest->val);
}
}
void formed_text_init(formed_text *text)
{
if(text->text != NULL) g_string_free(text->text, TRUE);
text->text = g_string_new("");
if(text->lines != NULL) g_array_free(text->lines, TRUE);
text->lines = g_array_new(FALSE, TRUE, 4);
text->val = 0;
}
#ifdef ENABLE_LYRSRC_LEOSLYRICS
int deregister_lyr_leoslyrics ();
int register_lyr_leoslyrics (src_lyr *source_descriptor);
#endif
#ifdef ENABLE_LYRSRC_HD
int deregister_lyr_hd ();
int register_lyr_hd (src_lyr *source_descriptor);
#endif
int src_lyr_stack_init ()
{
src_lyr_stack = g_array_new (TRUE, FALSE, sizeof (src_lyr*));
#ifdef ENABLE_LYRSRC_HD
src_lyr *src_lyr_hd = malloc (sizeof (src_lyr));
src_lyr_hd->register_src_lyr = register_lyr_hd;
g_array_append_val (src_lyr_stack, src_lyr_hd);
#endif
#ifdef ENABLE_LYRSRC_LEOSLYRICS
src_lyr *src_lyr_leoslyrics = malloc (sizeof (src_lyr));
src_lyr_leoslyrics->register_src_lyr = register_lyr_leoslyrics;
g_array_append_val (src_lyr_stack, src_lyr_leoslyrics);
#endif
#ifndef DISABLE_PLUGIN_SYSTEM
src_lyr_plugins_load ();
#endif
}
int src_lyr_init ()
{
src_lyr_stack_init ();
int i = 0;
while (g_array_index (src_lyr_stack, src_lyr*, i) != NULL)
{
src_lyr *i_stack;
i_stack = g_array_index (src_lyr_stack, src_lyr*, i);
i_stack->register_src_lyr (i_stack);
i++;
}
return 0;
}
int get_lyr_by_src (int priority, char *artist, char *title)
{
//if (g_array_index (src_lyr_stack, src_lyr*, priority)->check_lyr() == 0)
//{
g_array_index (src_lyr_stack, src_lyr*, priority)->get_lyr (artist, title);
//}
return 0;
}
int src_lyr_load_plugin_file (const char *file)
{
GString *path;
path = g_string_new (PLUGIN_DIR_SYSTEM);
g_string_append (path, "/");
g_string_append (path, file);
src_lyr_plugin_register register_func;
src_lyr *new_src = malloc (sizeof (src_lyr));
new_src->module = g_module_open (path->str, G_MODULE_BIND_LAZY);
//if (new_src->module == NULL) for (;;) fprintf (stderr, g_module_error());
if (!g_module_symbol (new_src->module, "register_me", (gpointer*) ®ister_func))
return -1;
new_src->register_src_lyr = register_func;
g_array_append_val (src_lyr_stack, new_src);
return 0;
}
void src_lyr_plugins_load_from_dir (GDir *plugin_dir)
{
const gchar *cur_file;
for (;;)
{
cur_file = g_dir_read_name (plugin_dir);
if (cur_file == NULL) break;
src_lyr_load_plugin_file (cur_file);
}
}
int src_lyr_plugins_load ()
{
GDir *plugin_dir;
plugin_dir = g_dir_open (PLUGIN_DIR_SYSTEM, 0, NULL);
if (plugin_dir == NULL)
return -1;
src_lyr_plugins_load_from_dir (plugin_dir);
GString *user_dir_path;
user_dir_path = g_string_new (g_get_home_dir());
g_string_append (user_dir_path, PLUGIN_DIR_USER);
plugin_dir = g_dir_open (user_dir_path->str, 0, NULL);
if (plugin_dir == NULL)
return -1;
src_lyr_plugins_load_from_dir (plugin_dir);
return 0;
}
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