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add "deprecated" flag to vips arguments

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deprecated arguments still work, but are not shown in help, nor are they
checked for "have-been-set"

you can tag required and optional args as deprecated ... obviously if
you deprecate a required argument you must replace it with a new
argument or scripts will break
This commit is contained in:
John Cupitt 2012-08-07 12:52:50 +01:00
parent a9c7a36670
commit 0c35f461dc
4 changed files with 16 additions and 5 deletions
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4
libvips/include/vips/object.h
View File

@ -53,6 +53,7 @@ typedef struct _VipsObjectClass VipsObjectClass;
* @VIPS_ARGUMENT_SET_ALWAYS: don't do use-before-set checks
* @VIPS_ARGUMENT_INPUT: is an input argument (one we depend on)
* @VIPS_ARGUMENT_OUTPUT: is an output argument (depends on us)
* @VIPS_ARGUMENT_DEPRECATED: just there for back-compat, hide
*
* Flags we associate with each object argument.
*
@ -73,7 +74,8 @@ typedef enum /*< flags >*/ {
VIPS_ARGUMENT_SET_ONCE = 4,
VIPS_ARGUMENT_SET_ALWAYS = 8,
VIPS_ARGUMENT_INPUT = 16,
VIPS_ARGUMENT_OUTPUT = 32
VIPS_ARGUMENT_OUTPUT = 32,
VIPS_ARGUMENT_DEPRECATED = 64
} VipsArgumentFlags;
/* Useful flag combinations. User-visible ones are:

1
libvips/iofuncs/enumtypes.c
View File

@ -526,6 +526,7 @@ vips_argument_flags_get_type( void )
{VIPS_ARGUMENT_SET_ALWAYS, "VIPS_ARGUMENT_SET_ALWAYS", "set-always"},
{VIPS_ARGUMENT_INPUT, "VIPS_ARGUMENT_INPUT", "input"},
{VIPS_ARGUMENT_OUTPUT, "VIPS_ARGUMENT_OUTPUT", "output"},
{VIPS_ARGUMENT_DEPRECATED, "VIPS_ARGUMENT_DEPRECATED", "deprecated"},
{0, NULL, NULL}
};

1
libvips/iofuncs/object.c
View File

@ -144,6 +144,7 @@ vips_object_check_required( VipsObject *object, GParamSpec *pspec,
if( (argument_class->flags & VIPS_ARGUMENT_REQUIRED) &&
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) &&
!(argument_class->flags & VIPS_ARGUMENT_DEPRECATED) &&
(argument_class->flags & *iomask) &&
!argument_instance->assigned ) {
vips_error( class->nickname,

15
libvips/iofuncs/operation.c
View File

@ -85,7 +85,8 @@ vips_operation_class_usage_arg( VipsObjectClass *object_class,
*/
if( usage->required ==
((argument_class->flags & VIPS_ARGUMENT_REQUIRED) != 0) &&
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) ) {
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) &&
!(argument_class->flags & VIPS_ARGUMENT_DEPRECATED) ) {
if( usage->message && usage->n == 0 )
vips_buf_appendf( buf, "%s\n", usage->message );
@ -775,12 +776,16 @@ vips_call_options_add( VipsObject *object,
entry[0].long_name = name;
entry[0].short_name = name[0];
entry[0].description = g_param_spec_get_blurb( pspec );
entry[0].flags = 0;
if( !needs_string )
entry[0].flags |= G_OPTION_FLAG_NO_ARG;
if( argument_class->flags & VIPS_ARGUMENT_DEPRECATED )
entry[0].flags |= G_OPTION_FLAG_HIDDEN;
entry[0].arg = G_OPTION_ARG_CALLBACK;
entry[0].arg_data = (gpointer) vips_call_options_set;
entry[0].description = g_param_spec_get_blurb( pspec );
if( needs_string )
entry[0].arg_description =
g_type_name( G_PARAM_SPEC_VALUE_TYPE( pspec ) );
@ -837,7 +842,8 @@ vips_call_argv_input( VipsObject *object,
/* Loop over all required construct args.
*/
if( (argument_class->flags & VIPS_ARGUMENT_REQUIRED) &&
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) ) {
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) &&
!(argument_class->flags & VIPS_ARGUMENT_DEPRECATED) ) {
const char *name = g_param_spec_get_name( pspec );
if( (argument_class->flags & VIPS_ARGUMENT_INPUT) ) {
@ -872,7 +878,8 @@ vips_call_argv_output( VipsObject *object,
/* Loop over all required construct args.
*/
if( (argument_class->flags & VIPS_ARGUMENT_REQUIRED) &&
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) ) {
(argument_class->flags & VIPS_ARGUMENT_CONSTRUCT) &&
!(argument_class->flags & VIPS_ARGUMENT_DEPRECATED) ) {
if( (argument_class->flags & VIPS_ARGUMENT_INPUT) )
call->i += 1;
else if( (argument_class->flags & VIPS_ARGUMENT_OUTPUT) ) {