#include <string.h>
#include <ctype.h>
+#include <sys/types.h>
+#include <dirent.h>
+
/* ---------------- // Private Implementation // ---------------- */
/** Private implementation of the property list.
/** Memory leak checks.
*/
-//#define _MLT_PROPERTY_CHECKS_
+//#define _MLT_PROPERTY_CHECKS_ 2
#ifdef _MLT_PROPERTY_CHECKS_
static int properties_created = 0;
/** Load properties from a file.
*/
-mlt_properties mlt_properties_load( char *filename )
+mlt_properties mlt_properties_load( const char *filename )
{
// Construct a standalone properties object
mlt_properties this = mlt_properties_new( );
return this;
}
-static inline int generate_hash( char *name )
+static inline int generate_hash( const char *name )
{
int hash = 0;
int i = 1;
real producer.
*/
-static inline void mlt_properties_do_mirror( mlt_properties this, char *name )
+static inline void mlt_properties_do_mirror( mlt_properties this, const char *name )
{
property_list *list = this->local;
if ( list->mirror != NULL )
return 0;
}
-/** Allow the specification of a mirror.
+/** Mirror properties set on 'this' to 'that'.
*/
void mlt_properties_mirror( mlt_properties this, mlt_properties that )
/** Pass all properties from 'that' that match the prefix to 'this' (excluding the prefix).
*/
-int mlt_properties_pass( mlt_properties this, mlt_properties that, char *prefix )
+int mlt_properties_pass( mlt_properties this, mlt_properties that, const char *prefix )
{
int count = mlt_properties_count( that );
int length = strlen( prefix );
/** Locate a property by name
*/
-static inline mlt_property mlt_properties_find( mlt_properties this, char *name )
+static inline mlt_property mlt_properties_find( mlt_properties this, const char *name )
{
property_list *list = this->local;
mlt_property value = NULL;
/** Add a new property.
*/
-static mlt_property mlt_properties_add( mlt_properties this, char *name )
+static mlt_property mlt_properties_add( mlt_properties this, const char *name )
{
property_list *list = this->local;
int key = generate_hash( name );
if ( list->count == list->size )
{
list->size += 50;
- list->name = realloc( list->name, list->size * sizeof( char * ) );
+ list->name = realloc( list->name, list->size * sizeof( const char * ) );
list->value = realloc( list->value, list->size * sizeof( mlt_property ) );
}
/** Fetch a property by name - this includes add if not found.
*/
-static mlt_property mlt_properties_fetch( mlt_properties this, char *name )
+static mlt_property mlt_properties_fetch( mlt_properties this, const char *name )
{
// Try to find an existing property first
mlt_property property = mlt_properties_find( this, name );
return property;
}
+/** Pass property 'name' from 'that' to 'this'
+* Who to blame: Zach <zachary.drew@gmail.com>
+*/
+
+void mlt_properties_pass_property( mlt_properties this, mlt_properties that, const char *name )
+{
+ // Make sure the source property isn't null.
+ mlt_property that_prop = mlt_properties_find( that, name );
+ if( that_prop == NULL )
+ return;
+
+ mlt_property_pass( mlt_properties_fetch( this, name ), that_prop );
+}
+
+/** Pass all properties from 'that' to 'this' as found in comma seperated 'list'.
+* Who to blame: Zach <zachary.drew@gmail.com>
+*/
+
+int mlt_properties_pass_list( mlt_properties this, mlt_properties that, const char *list )
+{
+ char *props = strdup( list );
+ char *ptr = props;
+ char *delim = " ,\t\n"; // Any combination of spaces, commas, tabs, and newlines
+ int count, done = 0;
+
+ while( !done )
+ {
+ count = strcspn( ptr, delim );
+
+ if( ptr[count] == '\0' )
+ done = 1;
+ else
+ ptr[count] = '\0'; // Make it a real string
+
+ mlt_properties_pass_property( this, that, ptr );
+
+ ptr += count + 1;
+ ptr += strspn( ptr, delim );
+ }
+
+ free( props );
+
+ return 0;
+}
+
+
/** Set the property.
*/
-int mlt_properties_set( mlt_properties this, char *name, char *value )
+int mlt_properties_set( mlt_properties this, const char *name, const char *value )
{
int error = 1;
mlt_property property = mlt_properties_fetch( this, name );
// Set it if not NULL
- if ( property != NULL && ( value == NULL || value[ 0 ] != '@' ) )
+ if ( property == NULL )
+ {
+ fprintf( stderr, "Whoops - %s not found (should never occur)\n", name );
+ }
+ else if ( value == NULL )
{
error = mlt_property_set_string( property, value );
mlt_properties_do_mirror( this, name );
}
- else if ( property != NULL && value[ 0 ] == '@' )
+ else if ( *value != '@' )
+ {
+ error = mlt_property_set_string( property, value );
+ mlt_properties_do_mirror( this, name );
+ }
+ else if ( value[ 0 ] == '@' )
{
int total = 0;
int current = 0;
/** Set or default the property.
*/
-int mlt_properties_set_or_default( mlt_properties this, char *name, char *value, char *def )
+int mlt_properties_set_or_default( mlt_properties this, const char *name, const char *value, const char *def )
{
return mlt_properties_set( this, name, value == NULL ? def : value );
}
/** Get a string value by name.
*/
-char *mlt_properties_get( mlt_properties this, char *name )
+char *mlt_properties_get( mlt_properties this, const char *name )
{
mlt_property value = mlt_properties_find( this, name );
return value == NULL ? NULL : mlt_property_get_string( value );
/** Set a value by parsing a name=value string
*/
-int mlt_properties_parse( mlt_properties this, char *namevalue )
+int mlt_properties_parse( mlt_properties this, const char *namevalue )
{
char *name = strdup( namevalue );
char *value = NULL;
/** Get a value associated to the name.
*/
-int mlt_properties_get_int( mlt_properties this, char *name )
+int mlt_properties_get_int( mlt_properties this, const char *name )
{
mlt_property value = mlt_properties_find( this, name );
return value == NULL ? 0 : mlt_property_get_int( value );
/** Set a value associated to the name.
*/
-int mlt_properties_set_int( mlt_properties this, char *name, int value )
+int mlt_properties_set_int( mlt_properties this, const char *name, int value )
{
int error = 1;
/** Get a value associated to the name.
*/
-double mlt_properties_get_double( mlt_properties this, char *name )
+int64_t mlt_properties_get_int64( mlt_properties this, const char *name )
+{
+ mlt_property value = mlt_properties_find( this, name );
+ return value == NULL ? 0 : mlt_property_get_int64( value );
+}
+
+/** Set a value associated to the name.
+*/
+
+int mlt_properties_set_int64( mlt_properties this, const char *name, int64_t value )
+{
+ int error = 1;
+
+ // Fetch the property to work with
+ mlt_property property = mlt_properties_fetch( this, name );
+
+ // Set it if not NULL
+ if ( property != NULL )
+ {
+ error = mlt_property_set_int64( property, value );
+ mlt_properties_do_mirror( this, name );
+ }
+
+ mlt_events_fire( this, "property-changed", name, NULL );
+
+ return error;
+}
+
+/** Get a value associated to the name.
+*/
+
+double mlt_properties_get_double( mlt_properties this, const char *name )
{
mlt_property value = mlt_properties_find( this, name );
return value == NULL ? 0 : mlt_property_get_double( value );
/** Set a value associated to the name.
*/
-int mlt_properties_set_double( mlt_properties this, char *name, double value )
+int mlt_properties_set_double( mlt_properties this, const char *name, double value )
{
int error = 1;
/** Get a value associated to the name.
*/
-mlt_position mlt_properties_get_position( mlt_properties this, char *name )
+mlt_position mlt_properties_get_position( mlt_properties this, const char *name )
{
mlt_property value = mlt_properties_find( this, name );
return value == NULL ? 0 : mlt_property_get_position( value );
/** Set a value associated to the name.
*/
-int mlt_properties_set_position( mlt_properties this, char *name, mlt_position value )
+int mlt_properties_set_position( mlt_properties this, const char *name, mlt_position value )
{
int error = 1;
/** Get a value associated to the name.
*/
-void *mlt_properties_get_data( mlt_properties this, char *name, int *length )
+void *mlt_properties_get_data( mlt_properties this, const char *name, int *length )
{
mlt_property value = mlt_properties_find( this, name );
return value == NULL ? NULL : mlt_property_get_data( value, length );
/** Set a value associated to the name.
*/
-int mlt_properties_set_data( mlt_properties this, char *name, void *value, int length, mlt_destructor destroy, mlt_serialiser serialise )
+int mlt_properties_set_data( mlt_properties this, const char *name, void *value, int length, mlt_destructor destroy, mlt_serialiser serialise )
{
int error = 1;
/** Rename a property.
*/
-int mlt_properties_rename( mlt_properties this, char *source, char *dest )
+int mlt_properties_rename( mlt_properties this, const char *source, const char *dest )
{
mlt_property value = mlt_properties_find( this, dest );
fprintf( output, "%s=%s\n", list->name[ i ], mlt_properties_get( this, list->name[ i ] ) );
}
-void mlt_properties_debug( mlt_properties this, char *title, 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 )
{
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.
*/
property_list *list = this->local;
int index = 0;
-#ifdef _MLT_PROPERTY_CHECKS_
+#if _MLT_PROPERTY_CHECKS_ == 1
// Show debug info
mlt_properties_debug( this, "Closing", stderr );
+#endif
+#ifdef _MLT_PROPERTY_CHECKS_
// Increment destroyed count
properties_destroyed ++;