for i from 0 below (foreign-type-size 'g-value)
do (setf (mem-ref g-value :uchar i) 0)))
-(defun gvalue-type (gvalue)
+(defun g-value-type (gvalue)
(foreign-slot-value gvalue 'g-value :type))
(defmacro ev-case (keyform &body clauses)
`(t ,@forms)
`((equalp ,key ,value) ,@forms)))))))
-(defun parse-gvalue (gvalue)
+(defgeneric parse-g-value-for-type (gvalue-ptr gtype parse-kind))
+
+(defmethod parse-g-value-for-type :around (gvalue-ptr gtype parse-kind)
+ (assert (typep gtype '(or gtype nil)))
+ (call-next-method))
+
+(defmethod parse-g-value-for-type (gvalue-ptr gtype parse-kind)
+ (if (eq gtype (g-type-fundamental gtype))
+ (call-next-method)
+ (parse-g-value-for-type gvalue-ptr (g-type-fundamental gtype) parse-kind)))
+
+(defun parse-g-value (gvalue &key (parse-kind :get-property))
"Parses the GValue structure and returns the corresponding Lisp object.
@arg[value]{a C pointer to the GValue structure}
@return{value contained in the GValue structure. Type of value depends on GValue type}"
- (let* ((type (ensure-g-type (gvalue-type gvalue)))
- (fundamental-type (ensure-g-type (g-type-fundamental type))))
- (cond
- ((= type (ensure-g-type (g-strv-get-type))) (convert-from-foreign (g-value-get-boxed gvalue) '(glib:gstrv :free-from-foreign nil)))
- (t (ev-case fundamental-type
- (+g-type-invalid+ (error "GValue is of invalid type (~A)" (g-type-name type)))
- (+g-type-void+ nil)
- (+g-type-char+ (g-value-get-char gvalue))
- (+g-type-uchar+ (g-value-get-uchar gvalue))
- (+g-type-boolean+ (g-value-get-boolean gvalue))
- (+g-type-int+ (g-value-get-int gvalue))
- (+g-type-uint+ (g-value-get-uint gvalue))
- (+g-type-long+ (g-value-get-long gvalue))
- (+g-type-ulong+ (g-value-get-ulong gvalue))
- (+g-type-int64+ (g-value-get-int64 gvalue))
- (+g-type-uint64+ (g-value-get-uint64 gvalue))
- (+g-type-enum+ (parse-gvalue-enum gvalue))
- (+g-type-flags+ (parse-gvalue-flags gvalue))
- (+g-type-float+ (g-value-get-float gvalue))
- (+g-type-double+ (g-value-get-double gvalue))
- (+g-type-string+ (g-value-get-string gvalue))
- (+g-type-pointer+ (g-value-get-pointer gvalue))
- (+g-type-boxed+ (parse-gvalue-boxed gvalue))
- (+g-type-param+ (parse-g-param-spec (g-value-get-param gvalue)))
- (+g-type-object+ (parse-gvalue-object gvalue))
- (+g-type-interface+ (parse-gvalue-object gvalue))
- (t (error "Unknown type: ~A (~A)" type (g-type-name type))))))))
+ (let* ((type (g-value-type gvalue))
+ (fundamental-type (g-type-fundamental type)))
+ (ev-case fundamental-type
+ ((gtype +g-type-invalid+) (error "GValue is of invalid type (~A)" (gtype-name type)))
+ ((gtype +g-type-void+) nil)
+ ((gtype +g-type-char+) (g-value-get-char gvalue))
+ ((gtype +g-type-uchar+) (g-value-get-uchar gvalue))
+ ((gtype +g-type-boolean+) (g-value-get-boolean gvalue))
+ ((gtype +g-type-int+) (g-value-get-int gvalue))
+ ((gtype +g-type-uint+) (g-value-get-uint gvalue))
+ ((gtype +g-type-long+) (g-value-get-long gvalue))
+ ((gtype +g-type-ulong+) (g-value-get-ulong gvalue))
+ ((gtype +g-type-int64+) (g-value-get-int64 gvalue))
+ ((gtype +g-type-uint64+) (g-value-get-uint64 gvalue))
+ ((gtype +g-type-enum+) (parse-g-value-enum gvalue))
+ ((gtype +g-type-flags+) (parse-g-value-flags gvalue))
+ ((gtype +g-type-float+) (g-value-get-float gvalue))
+ ((gtype +g-type-double+) (g-value-get-double gvalue))
+ ((gtype +g-type-string+) (g-value-get-string gvalue))
+ (t (parse-g-value-for-type gvalue type parse-kind)))))
+
+(defmethod parse-g-value-for-type (gvalue-ptr (type (eql (gtype +g-type-pointer+))) parse-kind)
+ (declare (ignore parse-kind))
+ (g-value-get-pointer gvalue-ptr))
+
+(defmethod parse-g-value-for-type (gvalue-ptr (type (eql (gtype +g-type-param+))) parse-kind)
+ (declare (ignore parse-kind))
+ (parse-g-param-spec (g-value-get-param gvalue-ptr)))
+
+(defgeneric set-gvalue-for-type (gvalue-ptr type value))
+
+(defmethod set-gvalue-for-type :around (gvalue-ptr type value)
+ (assert (typep type '(or gtype null)))
+ (call-next-method))
+
+(defmethod set-gvalue-for-type (gvalue-ptr type value)
+ (if (eq type (g-type-fundamental type))
+ (call-next-method)
+ (set-gvalue-for-type gvalue-ptr (g-type-fundamental type) value)))
(defun set-g-value (gvalue value type &key zero-g-value unset-g-value (g-value-init t))
"Assigns the GValue structure @code{gvalue} the value @code{value} of GType @code{type}.
@arg[zero-g-value]{a boolean specifying whether GValue should be zero-initialized before assigning. See @fun{g-value-zero}}
@arg[unset-g-value]{a boolean specifying whether GValue should be \"unset\" before assigning. See @fun{g-value-unset}. The \"true\" value should not be passed to both @code{zero-g-value} and @code{unset-g-value} arguments}
@arg[g-value-init]{a boolean specifying where GValue should be initialized}"
- (setf type (ensure-g-type type))
+ (setf type (gtype type))
(cond
(zero-g-value (g-value-zero gvalue))
(unset-g-value (g-value-unset gvalue)))
(when g-value-init (g-value-init gvalue type))
- (let ((fundamental-type (ensure-g-type (g-type-fundamental type))))
- (cond
- ((= type (ensure-g-type (g-strv-get-type))) (g-value-set-boxed gvalue (convert-to-foreign value 'glib:gstrv)))
- (t (ev-case fundamental-type
- (+g-type-invalid+ (error "Invalid type (~A)" type))
- (+g-type-void+ nil)
- (+g-type-char+ (g-value-set-char gvalue value))
- (+g-type-uchar+ (g-value-set-uchar gvalue value))
- (+g-type-boolean+ (g-value-set-boolean gvalue value))
- (+g-type-int+ (g-value-set-int gvalue value))
- (+g-type-uint+ (g-value-set-uint gvalue value))
- (+g-type-long+ (g-value-set-long gvalue value))
- (+g-type-ulong+ (g-value-set-ulong gvalue value))
- (+g-type-int64+ (g-value-set-int64 gvalue value))
- (+g-type-uint64+ (g-value-set-uint64 gvalue value))
- (+g-type-enum+ (set-gvalue-enum gvalue value))
- (+g-type-flags+ (set-gvalue-flags gvalue value))
- (+g-type-float+ (unless (realp value) (error "~A is not a real number" value)) (g-value-set-float gvalue (coerce value 'single-float)))
- (+g-type-double+ (unless (realp value) (error "~A is not a real number" value)) (g-value-set-double gvalue (coerce value 'double-float)))
- (+g-type-string+ (g-value-set-string gvalue value))
- (+g-type-pointer+ (g-value-set-pointer gvalue value))
- (+g-type-boxed+ (set-gvalue-boxed gvalue value))
- ;(+g-type-param+ (set-gvalue-param gvalue value))
- (+g-type-object+ (set-gvalue-object gvalue value))
- (+g-type-interface+ (set-gvalue-object gvalue value))
- (t (error "Unknown type: ~A (~A)" type (g-type-name type))))))))
+ (let ((fundamental-type (g-type-fundamental type)))
+ (ev-case fundamental-type
+ ((gtype +g-type-invalid+) (error "Invalid type (~A)" type))
+ ((gtype +g-type-void+) nil)
+ ((gtype +g-type-char+) (g-value-set-char gvalue value))
+ ((gtype +g-type-uchar+) (g-value-set-uchar gvalue value))
+ ((gtype +g-type-boolean+) (g-value-set-boolean gvalue value))
+ ((gtype +g-type-int+) (g-value-set-int gvalue value))
+ ((gtype +g-type-uint+) (g-value-set-uint gvalue value))
+ ((gtype +g-type-long+) (g-value-set-long gvalue value))
+ ((gtype +g-type-ulong+) (g-value-set-ulong gvalue value))
+ ((gtype +g-type-int64+) (g-value-set-int64 gvalue value))
+ ((gtype +g-type-uint64+) (g-value-set-uint64 gvalue value))
+ ((gtype +g-type-enum+) (set-gvalue-enum gvalue value))
+ ((gtype +g-type-flags+) (set-gvalue-flags gvalue value))
+ ((gtype +g-type-float+) (unless (realp value) (error "~A is not a real number" value)) (g-value-set-float gvalue (coerce value 'single-float)))
+ ((gtype +g-type-double+) (unless (realp value) (error "~A is not a real number" value)) (g-value-set-double gvalue (coerce value 'double-float)))
+ ((gtype +g-type-string+) (g-value-set-string gvalue value))
+ (t (set-gvalue-for-type gvalue type value)))))
+
+(defmethod set-gvalue-for-type (gvalue-ptr (type (eql (gtype +g-type-pointer+))) value)
+ (g-value-set-pointer gvalue-ptr value))
+
+(defmethod set-gvalue-for-type (gvalue-ptr (type (eql (gtype +g-type-param+))) value)
+ (declare (ignore gvalue-ptr value))
+ (error "Setting of GParam is not implemented"))
;;Enums
(defun registered-enum-type (name)
(gethash name *registered-enum-types*))
-(defun parse-gvalue-enum (gvalue)
- (let* ((g-type (gvalue-type gvalue))
- (type-name (g-type-name g-type))
+(defun parse-g-value-enum (gvalue)
+ (let* ((g-type (g-value-type gvalue))
+ (type-name (gtype-name g-type))
(enum-type (registered-enum-type type-name)))
(unless enum-type
(error "Enum ~A is not registered" type-name))
(convert-from-foreign (g-value-get-enum gvalue) enum-type)))
(defun set-gvalue-enum (gvalue value)
- (let* ((g-type (gvalue-type gvalue))
- (type-name (g-type-name g-type))
+ (let* ((g-type (g-value-type gvalue))
+ (type-name (gtype-name g-type))
(enum-type (registered-enum-type type-name)))
(unless enum-type
(error "Enum ~A is not registered" type-name))
(defun registered-flags-type (name)
(gethash name *registered-flags-types*))
-(defun parse-gvalue-flags (gvalue)
- (let* ((g-type (gvalue-type gvalue))
- (type-name (g-type-name g-type))
+(defun parse-g-value-flags (gvalue)
+ (let* ((g-type (g-value-type gvalue))
+ (type-name (gtype-name g-type))
(flags-type (registered-flags-type type-name)))
(unless flags-type
(error "Flags ~A is not registered" type-name))
(convert-from-foreign (g-value-get-flags gvalue) flags-type)))
(defun set-gvalue-flags (gvalue value)
- (let* ((g-type (gvalue-type gvalue))
- (type-name (g-type-name g-type))
+ (let* ((g-type (g-value-type gvalue))
+ (type-name (gtype-name g-type))
(flags-type (registered-flags-type type-name)))
(unless flags-type
(error "Flags ~A is not registered" type-name))
(g-value-set-flags gvalue (convert-to-foreign value flags-type))))
-
-;;Objects
-
-(defun parse-gvalue-object (gvalue)
- (get-g-object-for-pointer (g-value-get-object gvalue)))
-
-(defun set-gvalue-object (gvalue value)
- (g-value-set-object gvalue (if value (pointer value) (null-pointer))))