mirror of
https://github.com/gosticks/gml.git
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98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
/*
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* GML - Go QML
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Roland Singer <roland.singer[at]desertbit.com>
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* Copyright (c) 2019 Sebastian Borchers <sebastian[at]desertbit.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package gml
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// #include <gml.h>
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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type objectInitializer interface {
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GmlInit()
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}
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type objectGetter interface {
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GmlObject() *Object
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}
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type Object struct {
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ptr unsafe.Pointer
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goPtr unsafe.Pointer
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}
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func (o *Object) GmlObject_Pointer() unsafe.Pointer {
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if o.ptr == nil {
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panic(fmt.Errorf("gml.Object pointer is nil: did you call GmlInit()?"))
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}
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return o.ptr
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}
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func (o *Object) GmlObject_SetPointer(ptr unsafe.Pointer) {
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o.ptr = ptr
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}
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func (o *Object) GmlObject_GoPointer() unsafe.Pointer {
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if o.goPtr == nil {
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panic(fmt.Errorf("gml.Object go pointer is nil: did you call GmlInit()?"))
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}
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return o.goPtr
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}
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func (o *Object) GmlObject_SetGoPointer(goPtr unsafe.Pointer) {
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o.goPtr = goPtr
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}
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func (o *Object) GmlObject() *Object {
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return o
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}
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func (o *Object) cObject() C.gml_object {
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return (C.gml_object)(o.GmlObject_Pointer())
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}
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func toObject(i interface{}) (o *Object, err error) {
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switch v := i.(type) {
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case *Object:
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o = v
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case objectGetter:
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o = v.GmlObject()
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case nil:
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err = fmt.Errorf("failed to get object: value is nil")
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default:
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err = fmt.Errorf("failed to get object: unknown type: %T", v)
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}
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if o == nil && err == nil {
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err = fmt.Errorf("failed to get object: object pointer is nil")
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}
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return
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}
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