poco/JSON/src/Stringifier.cpp at develop · cppfool/poco · GitHub

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// Stringifier.cpp

// $Id$

// Library: JSON

// Package: JSON

// Module: Stringifier

// and Contributors.

// SPDX-License-Identifier: BSL-1.0

#include "Poco/JSON/Stringifier.h"

#include "Poco/JSON/Array.h"

#include "Poco/JSON/Object.h"

#include <iomanip>

using Poco::Dynamic::Var;

namespace Poco {

namespace JSON {

void Stringifier::stringify(const Var& any, std::ostream& out, unsigned int indent, int step, bool preserveInsertionOrder)

{

if (step == -1) step = indent;

if ( any.type() == typeid(Object) )

{

const Object& o = any.extract<Object>();

o.stringify(out, indent == 0 ? 0 : indent, step);

}

else if ( any.type() == typeid(Array) )

{

const Array& a = any.extract<Array>();

a.stringify(out, indent == 0 ? 0 : indent, step);

}

else if ( any.type() == typeid(Object::Ptr) )

{

const Object::Ptr& o = any.extract<Object::Ptr>();

o->stringify(out, indent == 0 ? 0 : indent, step);

}

else if ( any.type() == typeid(Array::Ptr) )

{

const Array::Ptr& a = any.extract<Array::Ptr>();

a->stringify(out, indent == 0 ? 0 : indent, step);

}

else if ( any.isEmpty() )

{

out << "null";

}

else if ( any.isNumeric() || any.isBoolean() )

{

out << any.convert<std::string>();

}

else

{

std::string value = any.convert<std::string>();

formatString(value, out);

}

void Stringifier::formatString(const std::string& value, std::ostream& out)

{

out << '"';

for (std::string::const_iterator it = value.begin(),

end = value.end(); it != end; ++it)

{

switch (*it)

{

case '\\': out << "\\\\"; break;

case '"': out << "\\\""; break;

case '/': out << "\\/"; break;

case '\b': out << "\\b"; break;

case '\f': out << "\\f"; break;

case '\n': out << "\\n"; break;

case '\r': out << "\\r"; break;

case '\t': out << "\\t"; break;

default: out << *it; break;

}

out << '"';

}

} } // Namespace Poco::JSON

poco/JSON/src/Stringifier.cpp at develop · cppfool/poco · GitHub

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