mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-04-03 19:07:14 +02:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
195 lines
3.8 KiB
C++
195 lines
3.8 KiB
C++
//
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// Parser.h
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//
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// Library: JSON
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// Package: JSON
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// Module: ParserImpl
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//
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// Definition of the ParserImpl class.
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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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#ifndef JSON_JSONParserImpl_INCLUDED
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#define JSON_JSONParserImpl_INCLUDED
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#include "Poco/JSON/JSON.h"
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#include "Poco/JSON/Object.h"
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#include "Poco/JSON/Array.h"
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#include "Poco/JSON/ParseHandler.h"
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#include "Poco/JSON/JSONException.h"
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#include "Poco/UTF8Encoding.h"
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#include "Poco/Dynamic/Var.h"
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#include <string>
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struct json_stream;
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namespace Poco {
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namespace JSON {
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class JSON_API ParserImpl
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{
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protected:
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static const std::size_t JSON_PARSE_BUFFER_SIZE = 4096;
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static const std::size_t JSON_PARSER_STACK_SIZE = 128;
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static const int JSON_UNLIMITED_DEPTH = -1;
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ParserImpl(const Handler::Ptr& pHandler = new ParseHandler, std::size_t bufSize = JSON_PARSE_BUFFER_SIZE);
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/// Creates JSON ParserImpl, using the given Handler and buffer size.
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virtual ~ParserImpl();
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/// Destroys JSON ParserImpl.
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void resetImpl();
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/// Resets the parser.
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void setAllowCommentsImpl(bool comments);
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/// Allow or disallow comments. By default, comments are not allowed.
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bool getAllowCommentsImpl() const;
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/// Returns true if comments are allowed, false otherwise.
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///
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/// By default, comments are not allowed.
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void setAllowNullByteImpl(bool nullByte);
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/// Allow or disallow null byte in strings.
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///
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/// By default, null byte is allowed.
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bool getAllowNullByteImpl() const;
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/// Returns true if null byte is allowed, false otherwise.
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///
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/// By default, null bytes are allowed.
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void setDepthImpl(std::size_t depth);
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/// Sets the allowed JSON depth.
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std::size_t getDepthImpl() const;
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/// Returns the allowed JSON depth.
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Dynamic::Var parseImpl(const std::string& json);
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/// Parses JSON from a string.
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Dynamic::Var parseImpl(std::istream& in);
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/// Parses JSON from an input stream.
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void setHandlerImpl(const Handler::Ptr& pHandler);
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/// Set the Handler.
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const Handler::Ptr& getHandlerImpl();
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/// Returns the Handler.
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Dynamic::Var asVarImpl() const;
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/// Returns the result of parsing;
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Dynamic::Var resultImpl() const;
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/// Returns the result of parsing as Dynamic::Var;
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private:
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ParserImpl(const ParserImpl&);
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ParserImpl& operator =(const ParserImpl&);
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void handleArray();
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void handleObject();
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void handle();
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void handle(const std::string& json);
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void stripComments(std::string& json);
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bool checkError();
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struct json_stream* _pJSON;
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Handler::Ptr _pHandler;
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int _depth;
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char _decimalPoint;
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bool _allowNullByte;
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bool _allowComments;
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};
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//
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// inlines
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//
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inline void ParserImpl::resetImpl()
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{
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// currently, json stream is opened and closed on every parse request
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// (perhaps there is some optimization room?)
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//json_reset(&_json);
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if (_pHandler) _pHandler->reset();
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}
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inline void ParserImpl::setAllowCommentsImpl(bool comments)
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{
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_allowComments = comments;
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}
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inline bool ParserImpl::getAllowCommentsImpl() const
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{
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return _allowComments;
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}
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inline void ParserImpl::setAllowNullByteImpl(bool nullByte)
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{
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_allowNullByte = nullByte;
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}
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inline bool ParserImpl::getAllowNullByteImpl() const
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{
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return _allowNullByte;
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}
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inline void ParserImpl::setDepthImpl(std::size_t depth)
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{
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_depth = static_cast<int>(depth);
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}
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inline std::size_t ParserImpl::getDepthImpl() const
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{
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return static_cast<int>(_depth);
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}
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inline void ParserImpl::setHandlerImpl(const Handler::Ptr& pHandler)
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{
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_pHandler = pHandler;
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}
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inline const Handler::Ptr& ParserImpl::getHandlerImpl()
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{
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return _pHandler;
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}
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inline Dynamic::Var ParserImpl::resultImpl() const
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{
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return asVarImpl();
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}
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inline Dynamic::Var ParserImpl::asVarImpl() const
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{
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if (_pHandler) return _pHandler->asVar();
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return Dynamic::Var();
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}
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} } // namespace Poco::JSON
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#endif // JSON_JSONParserImpl_INCLUDED
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