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39
40#include "config.h"
41#include "qscriptvariant_p.h"
42
43#include "../api/qscriptengine.h"
44#include "../api/qscriptengine_p.h"
45
46#include "Error.h"
47#include "PrototypeFunction.h"
48#include "JSFunction.h"
49#include "NativeFunctionWrapper.h"
50#include "JSString.h"
51
52namespace JSC
53{
54QT_USE_NAMESPACE
55ASSERT_CLASS_FITS_IN_CELL(QScript::QVariantPrototype);
56}
57
58QT_BEGIN_NAMESPACE
59
60namespace QScript
61{
62
63QVariantDelegate::QVariantDelegate(const QVariant &value)
64 : m_value(value)
65{
66}
67
68QVariantDelegate::~QVariantDelegate()
69{
70}
71
72QVariant &QVariantDelegate::value()
73{
74 return m_value;
75}
76
77void QVariantDelegate::setValue(const QVariant &value)
78{
79 m_value = value;
80}
81
82QScriptObjectDelegate::Type QVariantDelegate::type() const
83{
84 return Variant;
85}
86
87static JSC::JSValue JSC_HOST_CALL variantProtoFuncValueOf(JSC::ExecState *exec, JSC::JSObject*,
88 JSC::JSValue thisValue, const JSC::ArgList&)
89{
90 QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
91 thisValue = engine->toUsableValue(value: thisValue);
92 if (!thisValue.inherits(classInfo: &QScriptObject::info))
93 return throwError(exec, JSC::TypeError);
94 QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(value: thisValue))->delegate();
95 if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant))
96 return throwError(exec, JSC::TypeError);
97 const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value();
98 switch (v.type()) {
99 case QVariant::Invalid:
100 return JSC::jsUndefined();
101 case QVariant::String:
102 return JSC::jsString(exec, s: v.toString());
103
104 case QVariant::Int:
105 return JSC::jsNumber(exec, i: v.toInt());
106
107 case QVariant::Bool:
108 return JSC::jsBoolean(b: v.toBool());
109
110 case QVariant::Double:
111 return JSC::jsNumber(exec, d: v.toDouble());
112
113// case QVariant::Char:
114// return JSC::jsNumber(exec, v.toChar().unicode());
115
116 case QVariant::UInt:
117 return JSC::jsNumber(exec, i: v.toUInt());
118
119 default:
120 ;
121 }
122 return thisValue;
123}
124
125static JSC::JSValue JSC_HOST_CALL variantProtoFuncToString(JSC::ExecState *exec, JSC::JSObject *callee,
126 JSC::JSValue thisValue, const JSC::ArgList &args)
127{
128 QScriptEnginePrivate *engine = scriptEngineFromExec(exec);
129 thisValue = engine->toUsableValue(value: thisValue);
130 if (!thisValue.inherits(classInfo: &QScriptObject::info))
131 return throwError(exec, JSC::TypeError, message: "This object is not a QVariant");
132 QScriptObjectDelegate *delegate = static_cast<QScriptObject*>(JSC::asObject(value: thisValue))->delegate();
133 if (!delegate || (delegate->type() != QScriptObjectDelegate::Variant))
134 return throwError(exec, JSC::TypeError, message: "This object is not a QVariant");
135 const QVariant &v = static_cast<QVariantDelegate*>(delegate)->value();
136 JSC::UString result;
137 JSC::JSValue value = variantProtoFuncValueOf(exec, callee, thisValue, args);
138 if (value.isObject()) {
139 result = v.toString();
140 if (result.isEmpty() && !v.canConvert(targetTypeId: QVariant::String))
141 result = QString::fromLatin1(str: "QVariant(%0)").arg(a: QString::fromLatin1(str: v.typeName()));
142 } else {
143 result = value.toString(exec);
144 }
145 return JSC::jsString(exec, s: result);
146}
147
148bool QVariantDelegate::compareToObject(QScriptObject *, JSC::ExecState *exec, JSC::JSObject *o2)
149{
150 const QVariant &variant1 = value();
151 return variant1 == QScriptEnginePrivate::toVariant(exec, o2);
152}
153
154QVariantPrototype::QVariantPrototype(JSC::ExecState* exec, WTF::PassRefPtr<JSC::Structure> structure,
155 JSC::Structure* prototypeFunctionStructure)
156 : QScriptObject(structure)
157{
158 setDelegate(new QVariantDelegate(QVariant()));
159
160 putDirectFunction(exec, function: new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().toString, variantProtoFuncToString), JSC::DontEnum);
161 putDirectFunction(exec, function: new (exec) JSC::NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().valueOf, variantProtoFuncValueOf), JSC::DontEnum);
162}
163
164
165} // namespace QScript
166
167QT_END_NAMESPACE
168

source code of qtscript/src/script/bridge/qscriptvariant.cpp