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94 lines
1.9 KiB
C++
94 lines
1.9 KiB
C++
//
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// Stringifier.cpp
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//
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// $Id$
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//
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// Library: JSON
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// Package: JSON
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// Module: Stringifier
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//
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// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/JSON/Stringifier.h"
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#include "Poco/JSON/Array.h"
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#include "Poco/JSON/Object.h"
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#include <iomanip>
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using Poco::Dynamic::Var;
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namespace Poco {
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namespace JSON {
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void Stringifier::stringify(const Var& any, std::ostream& out, unsigned int indent, int step, bool preserveInsertionOrder)
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{
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if (step == -1) step = indent;
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if ( any.type() == typeid(Object) )
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{
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const Object& o = any.extract<Object>();
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o.stringify(out, indent == 0 ? 0 : indent, step);
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}
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else if ( any.type() == typeid(Array) )
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{
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const Array& a = any.extract<Array>();
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a.stringify(out, indent == 0 ? 0 : indent, step);
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}
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else if ( any.type() == typeid(Object::Ptr) )
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{
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const Object::Ptr& o = any.extract<Object::Ptr>();
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o->stringify(out, indent == 0 ? 0 : indent, step);
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}
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else if ( any.type() == typeid(Array::Ptr) )
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{
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const Array::Ptr& a = any.extract<Array::Ptr>();
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a->stringify(out, indent == 0 ? 0 : indent, step);
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}
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else if ( any.isEmpty() )
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{
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out << "null";
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}
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else if ( any.isNumeric() || any.isBoolean() )
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{
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out << any.convert<std::string>();
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}
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else
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{
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std::string value = any.convert<std::string>();
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formatString(value, out);
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}
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}
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void Stringifier::formatString(const std::string& value, std::ostream& out)
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{
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out << '"';
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for (std::string::const_iterator it = value.begin(),
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end = value.end(); it != end; ++it)
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{
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switch (*it)
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{
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case '\\': out << "\\\\"; break;
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case '"': out << "\\\""; break;
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case '/': out << "\\/"; break;
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case '\b': out << "\\b"; break;
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case '\f': out << "\\f"; break;
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case '\n': out << "\\n"; break;
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case '\r': out << "\\r"; break;
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case '\t': out << "\\t"; break;
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default: out << *it; break;
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}
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}
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out << '"';
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}
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} } // Namespace Poco::JSON
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