mirror of
https://gitee.com/energye/energy.git
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126 lines
3.3 KiB
Go
126 lines
3.3 KiB
Go
//----------------------------------------
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//
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// Copyright © yanghy. All Rights Reserved.
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//
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// Licensed under Apache License Version 2.0, January 2004
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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//----------------------------------------
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// CEF v8 对象字段&值访问器(读取/写入) V8AccessorRef.New()
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//
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// ICefV8Value
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package cef
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import (
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"github.com/energye/energy/common/imports"
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"github.com/energye/golcl/lcl"
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"github.com/energye/golcl/lcl/api"
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"unsafe"
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)
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// V8AccessorGet 读取时函数
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// name 字段或对象名
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// retVal 读取返回的值
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// exception 返回的异常信息
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// return true 读取成功-返回值有效
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type V8AccessorGet func(name string, object *ICefV8Value, retVal *ResultV8Value, exception *ResultString) bool
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// V8AccessorSet 写入时函数
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// name 字段或对象名
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// value 将要写入的新值
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// exception 返回的异常信息
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// return true 写入成功
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type V8AccessorSet func(name string, object *ICefV8Value, value *ICefV8Value, exception *ResultString) bool
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//V8AccessorRef -> ICefV8Accessor
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var V8AccessorRef cefV8Accessor
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// cefV8Accessor
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type cefV8Accessor uintptr
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// New 创建一个v8对象访问器
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func (*cefV8Accessor) New() *ICefV8Accessor {
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var result uintptr
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imports.Proc(internale_CefV8Accessor_Create).Call(uintptr(unsafe.Pointer(&result)))
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return &ICefV8Accessor{
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instance: unsafe.Pointer(result),
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}
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}
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// Instance 实例
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func (m *ICefV8Accessor) Instance() uintptr {
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if m == nil {
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return 0
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}
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return uintptr(m.instance)
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}
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//Get 读取函数
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func (m *ICefV8Accessor) Get(fn V8AccessorGet) {
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imports.Proc(internale_CefV8Accessor_Get).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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//Set 写入访问函数
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func (m *ICefV8Accessor) Set(fn V8AccessorSet) {
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imports.Proc(internale_CefV8Accessor_Set).Call(m.Instance(), api.MakeEventDataPtr(fn))
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}
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func (m *ICefV8Accessor) Destroy() {
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imports.Proc(internale_CefV8Accessor_Destroy).Call(m.Instance())
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}
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func (m *ICefV8Accessor) Free() {
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m.Destroy()
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m.instance = nil
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}
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func init() {
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lcl.RegisterExtEventCallback(func(fn interface{}, getVal func(idx int) uintptr) bool {
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getPtr := func(i int) unsafe.Pointer {
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return unsafe.Pointer(getVal(i))
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}
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switch fn.(type) {
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case V8AccessorGet:
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name := api.GoStr(getVal(0))
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object := &ICefV8Value{instance: getPtr(1)}
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retValPtr := (*uintptr)(getPtr(2))
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retVal := &ResultV8Value{}
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exceptionPtr := (*uintptr)(getPtr(3))
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exception := &ResultString{}
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resultPtr := (*bool)(getPtr(4))
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result := fn.(V8AccessorGet)(name, object, retVal, exception)
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if retVal.v8value != nil {
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*retValPtr = retVal.v8value.Instance()
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}
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if exception.Value() != "" {
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*exceptionPtr = api.PascalStr(exception.Value())
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} else {
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*exceptionPtr = 0
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}
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*resultPtr = result
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//object.Free()
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case V8AccessorSet:
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name := api.GoStr(getVal(0))
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object := &ICefV8Value{instance: getPtr(1)}
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value := &ICefV8Value{instance: getPtr(2)}
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exceptionPtr := (*uintptr)(getPtr(3))
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exception := &ResultString{}
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resultPtr := (*bool)(getPtr(4))
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result := fn.(V8AccessorSet)(name, object, value, exception)
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if exception.Value() != "" {
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*exceptionPtr = api.PascalStr(exception.Value())
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} else {
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*exceptionPtr = 0
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}
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*resultPtr = result
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//object.Free()
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//value.Free()
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default:
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return false
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}
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return true
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})
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}
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