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// // Stringifier.cpp // // $Id$ // // Library: JSON // Package: JSON // Module: Stringifier // // Copyright (c) 2012, Applied Informatics Software Engineering GmbH. // and Contributors. // // SPDX-License-Identifier: BSL-1.0 // #include "Poco/JSON/Stringifier.h" #include "Poco/JSON/Array.h" #include "Poco/JSON/Object.h" #include 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(); o.stringify(out, indent == 0 ? 0 : indent, step); } else if ( any.type() == typeid(Array) ) { const Array& a = any.extract(); a.stringify(out, indent == 0 ? 0 : indent, step); } else if ( any.type() == typeid(Object::Ptr) ) { const Object::Ptr& o = any.extract<:ptr>(); o->stringify(out, indent == 0 ? 0 : indent, step); } else if ( any.type() == typeid(Array::Ptr) ) { const Array::Ptr& a = any.extract<:ptr>(); a->stringify(out, indent == 0 ? 0 : indent, step); } else if ( any.isEmpty() ) { out << "null"; } else if ( any.isNumeric() || any.isBoolean() ) { out << any.convert<:string>(); } else { std::string value = any.convert<: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