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replace ifs with a switch

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oops, obvious improvement
This commit is contained in:
John Cupitt 2011-09-07 13:20:24 +01:00
parent 53b3018f41
commit bb8f3abf4a
3 changed files with 90 additions and 38 deletions
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4
libvips/deprecated/wrapvips7.c
View File

@ -355,7 +355,7 @@ vips_wrap7_object_set_property( GObject *gobject,
*/
if( argument_class->flags & VIPS_ARGUMENT_CONSTRUCT &&
object->constructed &&
!vips_pspec_value_is_null( pspec, value ) ) {
!vips_value_is_null( value ) ) {
g_warning( "%s: %s can't assign '%s' after construct",
G_STRLOC,
G_OBJECT_TYPE_NAME( gobject ),
@ -367,7 +367,7 @@ vips_wrap7_object_set_property( GObject *gobject,
*/
if( argument_class->flags & VIPS_ARGUMENT_SET_ONCE &&
argument_instance->assigned &&
!vips_pspec_value_is_null( pspec, value ) ) {
!vips_value_is_null( value ) ) {
g_warning( "%s: %s can only assign '%s' once",
G_STRLOC,
G_OBJECT_TYPE_NAME( gobject ),

2
libvips/include/vips/object.h
View File

@ -313,7 +313,7 @@ struct _VipsObjectClass {
GSList *argument_table_traverse;
};
gboolean vips_pspec_value_is_null( GParamSpec *pspec, const GValue *value );
gboolean vips_value_is_null( const GValue *value );
void vips_object_set_property( GObject *gobject,
guint property_id, const GValue *value, GParamSpec *pspec );
void vips_object_get_property( GObject *gobject,

122
libvips/iofuncs/object.c
View File

@ -663,22 +663,24 @@ vips__object_set_member( VipsObject *object, GParamSpec *pspec,
/* Is a value NULL? We allow multiple sets of NULL so props can be cleared.
*/
gboolean
vips_pspec_value_is_null( GParamSpec *pspec, const GValue *value )
vips_value_is_null( const GValue *value )
{
if( G_IS_PARAM_SPEC_STRING( pspec ) &&
!g_value_get_string( value ) )
return( TRUE );
if( G_IS_PARAM_SPEC_OBJECT( pspec ) &&
!g_value_get_object( value ) )
return( TRUE );
if( G_IS_PARAM_SPEC_POINTER( pspec ) &&
!g_value_get_pointer( value ) )
return( TRUE );
if( G_IS_PARAM_SPEC_BOXED( pspec ) &&
!g_value_get_boxed( value ) )
return( TRUE );
switch( G_VALUE_TYPE( value ) ) {
case G_TYPE_STRING:
return( !g_value_get_string( value ) );
return( FALSE );
case G_TYPE_OBJECT:
return( !g_value_get_object( value ) );
case G_TYPE_POINTER:
return( !g_value_get_pointer( value ) );
case G_TYPE_BOXED:
return( !g_value_get_boxed( value ) );
default:
return( FALSE );
}
}
/* Also used by subclasses, so not static.
@ -722,7 +724,7 @@ vips_object_set_property( GObject *gobject,
*/
if( argument_class->flags & VIPS_ARGUMENT_CONSTRUCT &&
object->constructed &&
!vips_pspec_value_is_null( pspec, value ) ) {
!vips_value_is_null( value ) ) {
g_warning( "%s: %s can't assign '%s' after construct",
G_STRLOC,
G_OBJECT_TYPE_NAME( gobject ),
@ -734,7 +736,7 @@ vips_object_set_property( GObject *gobject,
*/
if( argument_class->flags & VIPS_ARGUMENT_SET_ONCE &&
argument_instance->assigned &&
!vips_pspec_value_is_null( pspec, value ) ) {
!vips_value_is_null( value ) ) {
g_warning( "%s: %s can only assign '%s' once",
G_STRLOC,
G_OBJECT_TYPE_NAME( gobject ),
@ -742,50 +744,73 @@ vips_object_set_property( GObject *gobject,
return;
}
if( G_IS_PARAM_SPEC_STRING( pspec ) ) {
switch( G_PARAM_SPEC_TYPE( pspec ) ) {
case G_TYPE_STRING:
{
char **member = &G_STRUCT_MEMBER( char *, object,
argument_class->offset );
VIPS_SETSTR( *member, g_value_get_string( value ) );
}
else if( G_IS_PARAM_SPEC_OBJECT( pspec ) ) {
break;
case G_TYPE_OBJECT:
{
GObject **member = &G_STRUCT_MEMBER( GObject *, object,
argument_class->offset );
vips__object_set_member( object, pspec, member,
g_value_get_object( value ) );
}
else if( G_IS_PARAM_SPEC_INT( pspec ) ) {
break;
case G_TYPE_INT:
{
int *member = &G_STRUCT_MEMBER( int, object,
argument_class->offset );
*member = g_value_get_int( value );
}
else if( G_IS_PARAM_SPEC_BOOLEAN( pspec ) ) {
break;
case G_TYPE_BOOLEAN:
{
gboolean *member = &G_STRUCT_MEMBER( gboolean, object,
argument_class->offset );
*member = g_value_get_boolean( value );
}
else if( G_IS_PARAM_SPEC_ENUM( pspec ) ) {
break;
case G_TYPE_ENUM:
{
int *member = &G_STRUCT_MEMBER( int, object,
argument_class->offset );
*member = g_value_get_enum( value );
}
else if( G_IS_PARAM_SPEC_POINTER( pspec ) ) {
break;
case G_TYPE_POINTER:
{
gpointer *member = &G_STRUCT_MEMBER( gpointer, object,
argument_class->offset );
*member = g_value_get_pointer( value );
}
else if( G_IS_PARAM_SPEC_DOUBLE( pspec ) ) {
break;
case G_TYPE_DOUBLE:
{
double *member = &G_STRUCT_MEMBER( double, object,
argument_class->offset );
*member = g_value_get_double( value );
}
else if( G_IS_PARAM_SPEC_BOXED( pspec ) ) {
break;
case G_TYPE_BOXED:
{
gpointer *member = &G_STRUCT_MEMBER( gpointer, object,
argument_class->offset );
@ -796,11 +821,13 @@ vips_object_set_property( GObject *gobject,
}
/* Copy the boxed into our pointer (will use eg.
* vips__object_vector_dup ()).
* vips__object_vector_dup()).
*/
*member = g_value_dup_boxed( value );
}
else {
break;
default:
g_warning( "%s: %s unimplemented property type %s",
G_STRLOC,
G_OBJECT_TYPE_NAME( gobject ),
@ -841,49 +868,72 @@ vips_object_get_property( GObject *gobject,
return;
}
if( G_IS_PARAM_SPEC_STRING( pspec ) ) {
switch( G_PARAM_SPEC_TYPE( pspec ) ) {
case G_TYPE_STRING:
{
char *member = G_STRUCT_MEMBER( char *, object,
argument_class->offset );
g_value_set_string( value, member );
}
else if( G_IS_PARAM_SPEC_OBJECT( pspec ) ) {
break;
case G_TYPE_OBJECT:
{
GObject **member = &G_STRUCT_MEMBER( GObject *, object,
argument_class->offset );
g_value_set_object( value, *member );
}
else if( G_IS_PARAM_SPEC_INT( pspec ) ) {
break;
case G_TYPE_INT:
{
int *member = &G_STRUCT_MEMBER( int, object,
argument_class->offset );
g_value_set_int( value, *member );
}
else if( G_IS_PARAM_SPEC_BOOLEAN( pspec ) ) {
break;
case G_TYPE_BOOLEAN:
{
gboolean *member = &G_STRUCT_MEMBER( gboolean, object,
argument_class->offset );
g_value_set_boolean( value, *member );
}
else if( G_IS_PARAM_SPEC_ENUM( pspec ) ) {
break;
case G_TYPE_ENUM:
{
int *member = &G_STRUCT_MEMBER( int, object,
argument_class->offset );
g_value_set_enum( value, *member );
}
else if( G_IS_PARAM_SPEC_POINTER( pspec ) ) {
break;
case G_TYPE_POINTER:
{
gpointer *member = &G_STRUCT_MEMBER( gpointer, object,
argument_class->offset );
g_value_set_pointer( value, *member );
}
else if( G_IS_PARAM_SPEC_DOUBLE( pspec ) ) {
break;
case G_TYPE_DOUBLE:
{
double *member = &G_STRUCT_MEMBER( double, object,
argument_class->offset );
g_value_set_double( value, *member );
}
else if( G_IS_PARAM_SPEC_BOXED( pspec ) ) {
break;
case G_TYPE_BOXED:
{
gpointer *member = &G_STRUCT_MEMBER( gpointer, object,
argument_class->offset );
@ -892,7 +942,9 @@ vips_object_get_property( GObject *gobject,
*/
g_value_set_boxed( value, *member );
}
else {
break;
default:
g_warning( "%s: %s unimplemented property type %s",
G_STRLOC,
G_OBJECT_TYPE_NAME( gobject ),