+ Adds a utility function for listing files in a directory (aids with cross platform...

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@898 d19143bc-622f-0410-bfdd-b5b2a6649095

diff --git a/src/framework/mlt_properties.c b/src/framework/mlt_properties.c
index 9fd2025ed78a25baaeead3c2958de01c12070163..6b27f2590c5a8fb3fb492c53d605e62d7a2b7793 100644 (file)
--- a/src/framework/mlt_properties.c
+++ b/src/framework/mlt_properties.c
@@ -27,6 +27,9 @@
 #include <string.h>
 #include <ctype.h>
 
+#include <sys/types.h>
+#include <dirent.h>
+
 /* ---------------- // Private Implementation // ---------------- */
 
 /** Private implementation of the property list.
@@ -264,7 +267,6 @@ int mlt_properties_pass( mlt_properties this, mlt_properties that, const char *p
        return 0;
 }
 
-
 /** Locate a property by name
 */
 
@@ -753,6 +755,7 @@ void mlt_properties_dump( mlt_properties this, FILE *output )
 
 void mlt_properties_debug( mlt_properties this, const char *title, FILE *output )
 {
+       if ( output == NULL ) output = stderr;
        fprintf( output, "%s: ", title );
        if ( this != NULL )
        {
@@ -769,6 +772,96 @@ void mlt_properties_debug( mlt_properties this, const char *title, FILE *output
        fprintf( output, "\n" );
 }
 
+int mlt_properties_save( mlt_properties this, const char *filename )
+{
+       int error = 1;
+       FILE *f = fopen( filename, "w" );
+       if ( f != NULL )
+       {
+               mlt_properties_dump( this, f );
+               fclose( f );
+               error = 0;
+       }
+       return error;
+}
+
+/* This is a very basic cross platform fnmatch replacement - it will fail in
+** many cases, but for the basic *.XXX and YYY*.XXX, it will work ok.
+*/
+
+static int mlt_fnmatch( const char *wild, const char *file )
+{
+       int f = 0;
+       int w = 0;
+
+       while( f < strlen( file ) && w < strlen( wild ) )
+       {
+               if ( wild[ w ] == '*' )
+               {
+                       w ++;
+                       if ( w == strlen( wild ) )
+                               f = strlen( file );
+                       while ( f != strlen( file ) && tolower( file[ f ] ) != tolower( wild[ w ] ) )
+                               f ++;
+               }
+               else if ( wild[ w ] == '?' || tolower( file[ f ] ) == tolower( wild[ w ] ) )
+               {
+                       f ++;
+                       w ++;
+               }
+               else if ( wild[ 0 ] == '*' )
+               {
+                       w = 0;
+               }
+               else
+               {
+                       return 0;
+               }
+       }
+
+       return strlen( file ) == f &&  strlen( wild ) == w;
+}
+
+static int mlt_compare( const void *this, const void *that )
+{
+       return strcmp( mlt_property_get_string( *( mlt_property * )this ), mlt_property_get_string( *( mlt_property * )that ) );
+}
+
+/* Obtains an optionally sorted list of the files found in a directory with a specific wild card.
+ * Entries in the list have a numeric name (running from 0 to count - 1). Only values change
+ * position if sort is enabled. Designed to be posix compatible (linux, os/x, mingw etc).
+ */
+
+int mlt_properties_dir_list( mlt_properties this, const char *dirname, const char *pattern, int sort )
+{
+       DIR *dir = opendir( dirname );
+
+       if ( dir )
+       {
+               char key[ 20 ];
+               struct dirent *de = readdir( dir );
+               char fullname[ 1024 ];
+               while( de != NULL )
+               {
+                       sprintf( key, "%d", mlt_properties_count( this ) );
+                       snprintf( fullname, 1024, "%s/%s", dirname, de->d_name );
+                       if ( de->d_name[ 0 ] != '.' && mlt_fnmatch( pattern, de->d_name ) )
+                               mlt_properties_set( this, key, fullname );
+                       de = readdir( dir );
+               }
+
+               closedir( dir );
+       }
+
+       if ( sort && mlt_properties_count( this ) )
+       {
+               property_list *list = this->local;
+               qsort( list->value, mlt_properties_count( this ), sizeof( mlt_property ), mlt_compare );
+       }
+
+       return mlt_properties_count( this );
+}
+
 /** Close the list.
 */
 

diff --git a/src/framework/mlt_properties.h b/src/framework/mlt_properties.h
index e1e84e033ade4195af7c5c064a0128fa38c61fac..16ec1364695d9a24d103554f38c975998936660a 100644 (file)
--- a/src/framework/mlt_properties.h
+++ b/src/framework/mlt_properties.h
@@ -72,6 +72,8 @@ extern int mlt_properties_rename( mlt_properties self, const char *source, const
 extern int mlt_properties_count( mlt_properties self );
 extern void mlt_properties_dump( mlt_properties self, FILE *output );
 extern void mlt_properties_debug( mlt_properties self, const char *title, FILE *output );
+extern int mlt_properties_save( mlt_properties, const char * );
+extern int mlt_properties_dir_list( mlt_properties, const char *, const char *, int );
 extern void mlt_properties_close( mlt_properties self );
 
 #endif