128 lines
4.5 KiB
C++
128 lines
4.5 KiB
C++
/*-----------------------------------------------------------------------------------------------
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The MIT License (MIT)
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Copyright (c) 2014-2015 Kim Kulling
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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-----------------------------------------------------------------------------------------------*/
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#pragma once
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#include <openddlparser/OpenDDLCommon.h>
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#include <openddlparser/DDLNode.h>
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#include <openddlparser/OpenDDLParserUtils.h>
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#include <openddlparser/Value.h>
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#include <vector>
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#include <string>
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BEGIN_ODDLPARSER_NS
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class DDLNode;
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class Value;
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struct Identifier;
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struct Reference;
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struct Property;
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template<class T>
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inline
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T *lookForNextToken( T *in, T *end ) {
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while( ( isSpace( *in ) || isNewLine( *in ) || ',' == *in ) && ( in != end ) ) {
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in++;
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}
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return in;
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}
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template<class T>
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inline
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T *getNextToken( T *in, T *end ) {
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T *tmp( in );
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while( ( isSpace( *in ) || isNewLine( *in ) || ',' == *in ) && ( in != end ) ) {
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in++;
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}
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if( tmp == in ) {
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in++;
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}
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return in;
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}
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/// @brief Defines the log severity.
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enum LogSeverity {
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ddl_debug_msg = 0, ///< Debug message, for debugging
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ddl_info_msg, ///< Info messages, normal mode
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ddl_warn_msg, ///< Parser warnings
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ddl_error_msg ///< Parser errors
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};
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class DLL_ODDLPARSER_EXPORT OpenDDLParser {
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public:
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typedef void( *logCallback )( LogSeverity severity, const std::string &msg );
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public:
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OpenDDLParser();
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OpenDDLParser( char *buffer, size_t len );
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~OpenDDLParser();
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void setLogCallback( logCallback callback );
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logCallback getLogCallback() const;
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void setBuffer( char *buffer, size_t len );
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void setBuffer( const std::vector<char> &buffer );
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const char *getBuffer() const;
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size_t getBufferSize() const;
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void clear();
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bool parse();
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char *parseNextNode( char *current, char *end );
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char *parseHeader( char *in, char *end );
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char *parseStructure( char *in, char *end );
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char *parseStructureBody( char *in, char *end, bool &error );
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void pushNode( DDLNode *node );
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DDLNode *popNode();
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DDLNode *top();
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DDLNode *getRoot() const;
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Context *getContext() const;
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public: // static parser helpers
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static void normalizeBuffer( std::vector<char> &buffer );
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static char *parseName( char *in, char *end, Name **name );
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static char *parseIdentifier( char *in, char *end, Identifier **id );
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static char *parsePrimitiveDataType( char *in, char *end, Value::ValueType &type, size_t &len );
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static char *parseReference( char *in, char *end, std::vector<Name*> &names );
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static char *parseBooleanLiteral( char *in, char *end, Value **boolean );
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static char *parseIntegerLiteral( char *in, char *end, Value **integer, Value::ValueType integerType = Value::ddl_int32 );
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static char *parseFloatingLiteral( char *in, char *end, Value **floating );
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static char *parseStringLiteral( char *in, char *end, Value **stringData );
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static char *parseHexaLiteral( char *in, char *end, Value **data );
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static char *parseProperty( char *in, char *end, Property **prop );
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static char *parseDataList( char *in, char *end, Value **data, size_t &numValues, Reference **refs, size_t &numRefs );
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static char *parseDataArrayList( char *in, char *end, DataArrayList **dataList );
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static const char *getVersion();
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private:
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OpenDDLParser( const OpenDDLParser & );
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OpenDDLParser &operator = ( const OpenDDLParser & );
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private:
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logCallback m_logCallback;
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std::vector<char> m_buffer;
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typedef std::vector<DDLNode*> DDLNodeStack;
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DDLNodeStack m_stack;
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Context *m_context;
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};
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END_ODDLPARSER_NS
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