mirror of
https://gitee.com/energye/energy.git
synced 2024-12-12 12:25:23 +08:00
377 lines
7.4 KiB
Go
377 lines
7.4 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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// V8 JSValue 动态类型实现
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//
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// 动态类型是可变类型，对于JS语言可以动态赋任意类型的值
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//
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// 字段值仅主进程有效, 非主进程字段值为默认值
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package bind
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import (
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"github.com/energye/energy/common"
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"github.com/energye/energy/consts"
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"github.com/energye/energy/pkgs/json"
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)
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const (
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null = "null"
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undefined = "Undefined"
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)
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var (
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isMainProcess = false
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)
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// JSValue
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//
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// GO和JS动态变量类型
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type JSValue interface {
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Name() string //当前变量绑定的名称
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Bytes() []byte //变量值转换为字节
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SetValue(value any) //设置新值
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IsInteger() bool //是否 Integer
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IsDouble() bool //是否 Double
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IsString() bool //是否 String
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IsBoolean() bool //是否 Boolean
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IsObject() bool //是否 Object
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IsArray() bool //是否 Array
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IsNull() bool //是否 Null
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IsUndefined() bool //是否 Undefined
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IsFunction() bool //是否 Function
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AsInteger() JSInteger //转换为 Integer 失败返回 nil
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AsDouble() JSDouble //转换为 Double 失败返回 nil
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AsString() JSString //转换为 String 失败返回 nil
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AsBoolean() JSBoolean //转换为 Boolean 失败返回 nil
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AsObject() JSObject //转换为 Object 失败返回 nil
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AsArray() JSArray //转换为 Array 失败返回 nil
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AsNull() JSNull //转换为 Null 失败返回 nil
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AsUndefined() JSUndefined //转换为 Undefined 失败返回 nil
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AsFunction() JSFunction //转换为 Function 失败返回 nil
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AsV8Value() JSValue //转换为 JSValue
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}
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// V8Value 绑定到JS的字段
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type V8Value struct {
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name string
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value json.JSON
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}
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func init() {
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isMainProcess = common.Args.IsMain()
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}
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// Bytes 值转换为字节
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func (m *V8Value) Bytes() []byte {
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return m.value.Bytes()
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}
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// SetValue 设置值
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func (m *V8Value) SetValue(value any) {
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if isMainProcess {
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m.value.SetValue(value)
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}
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}
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func (m *V8Value) Name() string {
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return m.name
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}
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func (m *V8Value) IsString() bool {
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return m.value.IsString()
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}
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func (m *V8Value) IsInteger() bool {
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return m.value.IsInt() || m.value.IsUInt()
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}
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func (m *V8Value) IsDouble() bool {
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return m.value.IsFloat()
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}
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func (m *V8Value) IsBoolean() bool {
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return m.value.IsBool()
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}
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func (m *V8Value) IsArray() bool {
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return m.value.IsArray()
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}
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func (m *V8Value) IsObject() bool {
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return m.value.IsObject()
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}
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func (m *V8Value) IsFunction() bool {
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return m.value.Type() == consts.GO_VALUE_FUNC
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}
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func (m *V8Value) IsNull() bool {
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return m.value.Type() == consts.GO_VALUE_NIL
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}
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func (m *V8Value) IsUndefined() bool {
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return m.value.Type() == consts.GO_VALUE_NIL
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}
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func (m *V8Value) AsString() JSString {
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if m.IsString() {
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v := new(jsString)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsInteger() JSInteger {
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if m.IsInteger() {
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v := new(jsInteger)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsDouble() JSDouble {
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if m.IsDouble() {
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v := new(jsDouble)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsBoolean() JSBoolean {
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if m.IsBoolean() {
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v := new(jsBoolean)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsNull() JSNull {
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if m.IsNull() {
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v := new(jsNull)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsUndefined() JSUndefined {
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if m.IsUndefined() {
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v := new(jsUndefined)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsFunction() JSFunction {
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if m.IsFunction() {
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v := new(jsFunction)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsObject() JSObject {
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if m.IsObject() {
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v := new(jsObject)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsArray() JSArray {
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if m.IsArray() {
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v := new(jsArray)
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v.name = m.name
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v.value = m.value.JsonData()
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bind.set(m.name, v)
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m.free()
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return v
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}
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return nil // default
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}
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func (m *V8Value) AsV8Value() JSValue {
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return m
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}
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func (m *V8Value) free() {
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if m.value != nil {
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m.name = ""
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m.value.Free()
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m.value = nil
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}
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}
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// NewInteger GO&JS 数字类型
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func NewInteger(name string, value int) JSInteger {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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value = 0
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}
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v := new(jsInteger)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_INT, V: value, S: 4}
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bind.set(name, v)
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return v
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}
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// NewString GO&JS 字符串类型
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func NewString(name, value string) JSString {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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value = ""
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}
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v := new(jsString)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_STRING, V: value, S: len(value)}
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bind.set(name, v)
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return v
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}
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// NewDouble GO&JS 浮点类型
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func NewDouble(name string, value float64) JSDouble {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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value = 0
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}
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v := new(jsDouble)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_FLOAT64, V: value, S: 8}
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bind.set(name, v)
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return v
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}
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// NewBoolean GO&JS 布尔类型
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func NewBoolean(name string, value bool) JSBoolean {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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value = false
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}
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v := new(jsBoolean)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_BOOL, V: value, S: 1}
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bind.set(name, v)
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return v
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}
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// NewNull GO&JS 空类型
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func NewNull(name string) JSNull {
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if name == "" {
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return nil
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}
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v := new(jsNull)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_NIL, V: null, S: len(null)}
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bind.set(name, v)
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return v
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}
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// NewUndefined GO&JS 未定义类型
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func NewUndefined(name string) JSUndefined {
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if name == "" {
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return nil
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}
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v := new(jsUndefined)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_NIL, V: undefined, S: len(undefined)}
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bind.set(name, v)
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return v
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}
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// NewFunction GO&JS 函数类型
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func NewFunction(name string, fn any) JSFunction {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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fn = nil
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}
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v := new(jsFunction)
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v.name = name
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v.value = &json.JsonData{T: consts.GO_VALUE_FUNC, V: fn, S: 0}
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bind.set(name, v)
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return v
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}
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// NewObject GO&JS 对象类型
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func NewObject(name string, object any) JSObject {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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object = nil
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}
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if vv := json.NewJSONObject(object); vv != nil {
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v := new(jsObject)
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v.name = name
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v.value = vv.JsonData()
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bind.set(name, v)
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return v
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}
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return nil
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}
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// NewArray GO&JS 数组类型
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func NewArray(name string, array any) JSArray {
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if name == "" {
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return nil
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}
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if !isMainProcess {
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array = nil
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}
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if vv := json.NewJSONArray(array); vv != nil {
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v := new(jsArray)
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v.name = name
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v.value = vv.JsonData()
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bind.set(name, v)
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return v
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}
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return nil
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}
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