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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2014 University of Washington. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "JSExportMacros.h"
#include <wtf/Assertions.h>
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace Inspector {
class InspectorArray;
class InspectorArrayBase;
class InspectorObject;
class InspectorObjectBase;
class JS_EXPORT_PRIVATE InspectorValue : public RefCounted<InspectorValue> {
public:
static const int maxDepth = 1000;
virtual ~InspectorValue()
{
switch (m_type) {
case Type::Null:
case Type::Boolean:
case Type::Double:
case Type::Integer:
break;
case Type::String:
if (m_value.string)
m_value.string->deref();
break;
case Type::Object:
case Type::Array:
break;
}
}
static Ref<InspectorValue> null();
static Ref<InspectorValue> create(bool);
static Ref<InspectorValue> create(int);
static Ref<InspectorValue> create(double);
static Ref<InspectorValue> create(const String&);
static Ref<InspectorValue> create(const char*);
enum class Type {
Null = 0,
Boolean,
Double,
Integer,
String,
Object,
Array,
};
Type type() const { return m_type; }
bool isNull() const { return m_type == Type::Null; }
bool asBoolean(bool&) const;
bool asInteger(int&) const;
bool asInteger(unsigned&) const;
bool asInteger(long&) const;
bool asInteger(long long&) const;
bool asInteger(unsigned long&) const;
bool asInteger(unsigned long long&) const;
bool asDouble(double&) const;
bool asDouble(float&) const;
bool asString(String&) const;
bool asValue(RefPtr<InspectorValue>&);
virtual bool asObject(RefPtr<InspectorObject>&);
virtual bool asArray(RefPtr<InspectorArray>&);
static bool parseJSON(const String& jsonInput, RefPtr<InspectorValue>& output);
String toJSONString() const;
virtual void writeJSON(StringBuilder& output) const;
protected:
InspectorValue()
: m_type(Type::Null) { }
explicit InspectorValue(Type type)
: m_type(type) { }
explicit InspectorValue(bool value)
: m_type(Type::Boolean)
{
m_value.boolean = value;
}
explicit InspectorValue(int value)
: m_type(Type::Integer)
{
m_value.number = static_cast<double>(value);
}
explicit InspectorValue(double value)
: m_type(Type::Double)
{
m_value.number = value;
}
explicit InspectorValue(const String& value)
: m_type(Type::String)
{
m_value.string = value.impl();
if (m_value.string)
m_value.string->ref();
}
explicit InspectorValue(const char* value)
: m_type(Type::String)
{
String wrapper(value);
m_value.string = wrapper.impl();
if (m_value.string)
m_value.string->ref();
}
private:
Type m_type { Type::Null };
union {
bool boolean;
double number;
StringImpl* string;
} m_value;
};
class JS_EXPORT_PRIVATE InspectorObjectBase : public InspectorValue {
private:
typedef HashMap<String, RefPtr<InspectorValue>> Dictionary;
public:
typedef Dictionary::iterator iterator;
typedef Dictionary::const_iterator const_iterator;
InspectorObject* openAccessors();
protected:
virtual ~InspectorObjectBase();
bool asObject(RefPtr<InspectorObject>& output) override;
// FIXME: use templates to reduce the amount of duplicated set*() methods.
void setBoolean(const String& name, bool);
void setInteger(const String& name, int);
void setDouble(const String& name, double);
void setString(const String& name, const String&);
void setValue(const String& name, RefPtr<InspectorValue>&&);
void setObject(const String& name, RefPtr<InspectorObjectBase>&&);
void setArray(const String& name, RefPtr<InspectorArrayBase>&&);
iterator find(const String& name);
const_iterator find(const String& name) const;
// FIXME: use templates to reduce the amount of duplicated get*() methods.
bool getBoolean(const String& name, bool& output) const;
template<class T> bool getDouble(const String& name, T& output) const
{
RefPtr<InspectorValue> value;
if (!getValue(name, value))
return false;
return value->asDouble(output);
}
template<class T> bool getInteger(const String& name, T& output) const
{
RefPtr<InspectorValue> value;
if (!getValue(name, value))
return false;
return value->asInteger(output);
}
bool getString(const String& name, String& output) const;
bool getObject(const String& name, RefPtr<InspectorObject>&) const;
bool getArray(const String& name, RefPtr<InspectorArray>&) const;
bool getValue(const String& name, RefPtr<InspectorValue>&) const;
void remove(const String& name);
void writeJSON(StringBuilder& output) const override;
iterator begin() { return m_map.begin(); }
iterator end() { return m_map.end(); }
const_iterator begin() const { return m_map.begin(); }
const_iterator end() const { return m_map.end(); }
int size() const { return m_map.size(); }
protected:
InspectorObjectBase();
private:
Dictionary m_map;
Vector<String> m_order;
};
class InspectorObject : public InspectorObjectBase {
public:
static JS_EXPORT_PRIVATE Ref<InspectorObject> create();
using InspectorObjectBase::asObject;
using InspectorObjectBase::setBoolean;
using InspectorObjectBase::setInteger;
using InspectorObjectBase::setDouble;
using InspectorObjectBase::setString;
using InspectorObjectBase::setValue;
using InspectorObjectBase::setObject;
using InspectorObjectBase::setArray;
using InspectorObjectBase::find;
using InspectorObjectBase::getBoolean;
using InspectorObjectBase::getInteger;
using InspectorObjectBase::getDouble;
using InspectorObjectBase::getString;
using InspectorObjectBase::getObject;
using InspectorObjectBase::getArray;
using InspectorObjectBase::getValue;
using InspectorObjectBase::remove;
using InspectorObjectBase::begin;
using InspectorObjectBase::end;
using InspectorObjectBase::size;
};
class JS_EXPORT_PRIVATE InspectorArrayBase : public InspectorValue {
public:
typedef Vector<RefPtr<InspectorValue>>::iterator iterator;
typedef Vector<RefPtr<InspectorValue>>::const_iterator const_iterator;
unsigned length() const { return static_cast<unsigned>(m_map.size()); }
protected:
virtual ~InspectorArrayBase();
bool asArray(RefPtr<InspectorArray>&) override;
void pushBoolean(bool);
void pushInteger(int);
void pushDouble(double);
void pushString(const String&);
void pushValue(RefPtr<InspectorValue>&&);
void pushObject(RefPtr<InspectorObjectBase>&&);
void pushArray(RefPtr<InspectorArrayBase>&&);
RefPtr<InspectorValue> get(size_t index) const;
void writeJSON(StringBuilder& output) const override;
iterator begin() { return m_map.begin(); }
iterator end() { return m_map.end(); }
const_iterator begin() const { return m_map.begin(); }
const_iterator end() const { return m_map.end(); }
protected:
InspectorArrayBase();
private:
Vector<RefPtr<InspectorValue>> m_map;
};
class InspectorArray : public InspectorArrayBase {
public:
static JS_EXPORT_PRIVATE Ref<InspectorArray> create();
using InspectorArrayBase::asArray;
using InspectorArrayBase::pushBoolean;
using InspectorArrayBase::pushInteger;
using InspectorArrayBase::pushDouble;
using InspectorArrayBase::pushString;
using InspectorArrayBase::pushValue;
using InspectorArrayBase::pushObject;
using InspectorArrayBase::pushArray;
using InspectorArrayBase::get;
using InspectorArrayBase::begin;
using InspectorArrayBase::end;
};
inline InspectorObjectBase::iterator InspectorObjectBase::find(const String& name)
{
return m_map.find(name);
}
inline InspectorObjectBase::const_iterator InspectorObjectBase::find(const String& name) const
{
return m_map.find(name);
}
inline void InspectorObjectBase::setBoolean(const String& name, bool value)
{
setValue(name, InspectorValue::create(value));
}
inline void InspectorObjectBase::setInteger(const String& name, int value)
{
setValue(name, InspectorValue::create(value));
}
inline void InspectorObjectBase::setDouble(const String& name, double value)
{
setValue(name, InspectorValue::create(value));
}
inline void InspectorObjectBase::setString(const String& name, const String& value)
{
setValue(name, InspectorValue::create(value));
}
inline void InspectorObjectBase::setValue(const String& name, RefPtr<InspectorValue>&& value)
{
ASSERT(value);
if (m_map.set(name, WTFMove(value)).isNewEntry)
m_order.append(name);
}
inline void InspectorObjectBase::setObject(const String& name, RefPtr<InspectorObjectBase>&& value)
{
ASSERT(value);
if (m_map.set(name, WTFMove(value)).isNewEntry)
m_order.append(name);
}
inline void InspectorObjectBase::setArray(const String& name, RefPtr<InspectorArrayBase>&& value)
{
ASSERT(value);
if (m_map.set(name, WTFMove(value)).isNewEntry)
m_order.append(name);
}
inline void InspectorArrayBase::pushBoolean(bool value)
{
m_map.append(InspectorValue::create(value));
}
inline void InspectorArrayBase::pushInteger(int value)
{
m_map.append(InspectorValue::create(value));
}
inline void InspectorArrayBase::pushDouble(double value)
{
m_map.append(InspectorValue::create(value));
}
inline void InspectorArrayBase::pushString(const String& value)
{
m_map.append(InspectorValue::create(value));
}
inline void InspectorArrayBase::pushValue(RefPtr<InspectorValue>&& value)
{
ASSERT(value);
m_map.append(WTFMove(value));
}
inline void InspectorArrayBase::pushObject(RefPtr<InspectorObjectBase>&& value)
{
ASSERT(value);
m_map.append(WTFMove(value));
}
inline void InspectorArrayBase::pushArray(RefPtr<InspectorArrayBase>&& value)
{
ASSERT(value);
m_map.append(WTFMove(value));
}
} // namespace Inspector