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125 lines
1.8 KiB
C++
125 lines
1.8 KiB
C++
//
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// VarHolder.cpp
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//
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// $Id: //poco/svn/Foundation/src/VarHolder.cpp#3 $
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//
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// Library: Foundation
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// Package: Core
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// Module: VarHolder
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//
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// Copyright (c) 2007, 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/Dynamic/VarHolder.h"
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#include "Poco/Dynamic/Var.h"
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namespace Poco {
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namespace Dynamic {
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VarHolder::VarHolder()
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{
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}
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VarHolder::~VarHolder()
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{
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}
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namespace Impl {
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void escape(std::string& target, const std::string& source)
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{
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std::string::const_iterator it(source.begin());
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std::string::const_iterator end(source.end());
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for (; it != end; ++it)
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{
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switch (*it)
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{
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case '"':
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target += "\\\"";
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break;
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case '\\':
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target += "\\\\";
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break;
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case '\b':
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target += "\\b";
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break;
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case '\f':
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target += "\\f";
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break;
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case '\n':
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target += "\\n";
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break;
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case '\r':
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target += "\\r";
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break;
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case '\t':
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target += "\\t";
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break;
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default:
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target += *it;
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break;
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}
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}
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}
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bool isJSONString(const Var& any)
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{
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return any.type() == typeid(std::string) ||
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any.type() == typeid(char) ||
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any.type() == typeid(char*) ||
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any.type() == typeid(Poco::DateTime) ||
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any.type() == typeid(Poco::LocalDateTime) ||
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any.type() == typeid(Poco::Timestamp);
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}
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void appendJSONString(std::string& val, const Var& any)
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{
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val += '"';
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escape(val, any.convert<std::string>());
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val += '"';
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}
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void appendJSONKey(std::string& val, const Var& any)
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{
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return appendJSONString(val, any);
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}
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void appendJSONValue(std::string& val, const Var& any)
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{
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if (any.isEmpty())
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{
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val.append("null");
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}
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else
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{
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bool isStr = isJSONString(any);
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if (isStr)
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{
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appendJSONString(val, any.convert<std::string>());
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}
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else
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{
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val.append(any.convert<std::string>());
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}
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}
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}
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} // namespace Impl
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} } // namespace Poco::Dynamic
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