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/*
Actiona
Copyright (C) 2005 Jonathan Mercier-Ganady
Actiona is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Actiona is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Contact : jmgr@jmgr.info
*/
#include "prettyprinting.h"
#include <QString>
#include <QScriptValue>
#include <QScriptValueIterator>
#include <QScriptContext>
#include <QScriptEngine>
namespace Code
{
void prettyPrintScriptValue(QString &result, std::size_t tabCount, const QScriptValue &value, bool quoteString);
void prettyPrintArrayOrObject(QString &result, std::size_t tabCount, const QScriptValue &value)
{
bool isArray = value.isArray();
result += isArray ? QStringLiteral("[\n") : QStringLiteral("{\n");
++tabCount;
QScriptValueIterator it(value);
bool first{true};
while(it.hasNext())
{
it.next();
if(it.flags() & QScriptValue::SkipInEnumeration)
continue;
if(first)
first = false;
else
result += QStringLiteral(",\n");
for(std::size_t tabIndex{}; tabIndex < tabCount; ++tabIndex)
result += QStringLiteral(" ");
if(!isArray)
result += it.name() + QStringLiteral(": ");
prettyPrintScriptValue(result, tabCount, it.value(), true);
}
result += QStringLiteral("\n");
--tabCount;
for(std::size_t tabIndex{}; tabIndex < tabCount; ++tabIndex)
result += QStringLiteral(" ");
result += isArray ? QStringLiteral("]") : QStringLiteral("}");
}
void prettyPrintScriptValue(QString &result, std::size_t tabCount, const QScriptValue &value, bool quoteString)
{
if(value.isQObject())
result += value.toString();
else if(value.isArray() || value.isObject())
prettyPrintArrayOrObject(result, tabCount, value);
else if(value.isString() && quoteString)
result += QStringLiteral("\"") + value.toString() + QStringLiteral("\"");
else
result += value.toString();
}
QScriptValue toStringFunction(QScriptContext *context, QScriptEngine *engine)
{
Q_UNUSED(engine)
QString result;
prettyPrintScriptValue(result, 0, context->thisObject(), false);
return result;
}
void setupPrettyPrinting(QScriptEngine &scriptEngine)
{
// Replace the default toString() functions for Array and Object with a more readable one
QScriptValue arrayPrototypeScriptValue = scriptEngine.globalObject().property(QStringLiteral("Array")).property(QStringLiteral("prototype"));
arrayPrototypeScriptValue.setProperty(QStringLiteral("toString"), scriptEngine.newFunction(toStringFunction));
QScriptValue objectPrototypeScriptValue = scriptEngine.globalObject().property(QStringLiteral("Object")).property(QStringLiteral("prototype"));
objectPrototypeScriptValue.setProperty(QStringLiteral("toString"), scriptEngine.newFunction(toStringFunction));
}
}
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