added a plugin system for lyrics sources

git-svn-id: https://svn.musicpd.org/ncmpc/branches/tradiaz@5217 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 52 insertions, 0 deletions

diff --git a/src/lyrics_hd.c b/src/lyrics_hd.c
new file mode 100644
index 000000000..2d91adc2a
--- /dev/null
+++ b/src/lyrics_hd.c
@@ -0,0 +1,52 @@
+#include <glib.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "src_lyrics.h"
+
+char *check_lyr_hd(char *artist, char *title, int how)
+{ //checking whether for lyrics file existence and proper access
+        static char path[1024];
+        snprintf(path, 1024, "%s/.lyrics/%s/%s.lyric", 
+                        getenv("HOME"), artist, title);
+    
+    if(g_access(path, how) != 0) return NULL;
+                 
+        return path;
+}		
+
+
+int get_lyr_hd(char *artist, char *title)
+{
+        char *path = check_lyr_hd(artist, title, R_OK);
+        if(path == NULL) return -1;
+        
+        FILE *lyr_file;	
+        lyr_file = fopen(path, "r");
+        if(lyr_file == NULL) return -1;
+        
+        char *buf = NULL;
+        char **line = &buf;
+        size_t n = 0;
+        
+        while(1)
+        {
+         n = getline(line, &n, lyr_file); 
+         if( n < 1 || *line == NULL || feof(lyr_file) != 0 ) return 0;
+         add_text_line(&lyr_text, *line, n);
+         free(*line);
+         *line = NULL; n = 0;
+         }
+        
+        return 0;
+}	
+
+int register_lyr_hd (src_lyr *source_descriptor)
+{ 
+  source_descriptor->check_lyr = check_lyr_hd;
+  source_descriptor->get_lyr = get_lyr_hd;
+  
+  source_descriptor->name = "Harddisk";
+  source_descriptor->description = "";
+}