text: /*-----------------------------------------------------------------------------------------------
  The MIT License (MIT)
  
  Copyright (c) 2014-2015 Kim Kulling
  
  Permission is hereby granted, free of charge, to any person obtaining a copy of
  this software and associated documentation files (the "Software"), to deal in
  the Software without restriction, including without limitation the rights to
  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  the Software, and to permit persons to whom the Software is furnished to do so,
  subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  -----------------------------------------------------------------------------------------------*/
  #pragma once
  
  #include <OpenDDLCommon.h>
  
  BEGIN_ODDLPARSER_NS
  
  template<class T>
  inline
  bool isUpperCase( T in ) {
      return ( in >= 'A' && in <= 'Z' );
  }
  
  template<class T>
  inline
  bool isLowerCase( T in ) {
      return ( in >= 'a' && in <= 'z' );
  }
  
  template<class T>
  inline
  bool isSpace( const T in ) {
      return ( ' ' == in || '\t' == in );
  }
  
  template<class T>
  inline
  bool isNewLine( const T in ) {
      return ( '\n' == in || ( '\r' == in ) );
  }
  
  template<class T>
  inline
  bool isSeparator( T in ) {
      if( isSpace( in ) || ',' == in || '{' == in || '}' == in || '[' == in || '(' == in || ')' == in ) {
          return true;
      }
      return false;
  }
  
  static const unsigned char chartype_table[ 256 ] = {
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0-15
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16-31
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 32-47
      1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, // 48-63
  
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 64-79
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80-95
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 96-111
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 112-127
  
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // > 127
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  };
  
  template<class T>
  inline
  bool isNumeric( const T in ) {
      return ( chartype_table[ static_cast<size_t>( in ) ] == 1 );
  }
  
  template<class T>
  inline
  bool isNotEndOfToken( T *in, T *end ) {
      return ( '}' != *in && ',' != *in && !isSpace( *in ) && ')' != *in && in != end );
  }
  
  template<class T>
  inline
  bool isInteger( T *in, T *end ) {
      if( in != end ) {
          if( *in == '-' ) {
              ++in;
          }
      }
  
      bool result( false );
      while( isNotEndOfToken( in, end ) ) {
          result = isNumeric( *in );
          if( !result ) {
              break;
          }
          ++in;
      }
  
      return result;
  }
  
  template<class T>
  inline
  bool isFloat( T *in, T *end ) {
      if( in != end ) {
          if( *in == '-' ) {
              ++in;
          }
      }
  
      // check for <1>.0f
      bool result( false );
      while( isNotEndOfToken( in, end ) ) {
          if( *in == '.' ) {
              result = true;
              break;
          }
          result = isNumeric( *in );
          if( !result ) {
              return false;
          }
          ++in;
      }
  
      // check for 1<.>0f
      if( *in == '.' ) {
          ++in;
      } else {
          return false;
      }
  
      // check for 1.<0>f
      while( isNotEndOfToken( in, end ) ) {
          result = isNumeric( *in );
          if( !result ) {
              return false;
          }
          ++in;
      }
  
      return result;
  }
  
  template<class T>
  inline
  bool isCharacter( const T in ) {
      return ( ( in >= 'a' && in <= 'z' ) || ( in >= 'A' && in <= 'Z' ) );
  }
  
  template<class T>
  inline
  bool isStringLiteral( const T in ) {
      return ( in == '\"' );
  }
  
  template<class T>
  inline
  bool isHexLiteral( T *in, T *end ) {
      if( *in == '0' ) {
          if( in + 1 != end ) {
              if( *( in + 1 ) == 'x' || *( in + 1 ) == 'X' ) {
                  return true;
              }
          }
      }
  
      return false;
  }
  
  template<class T>
  inline
  bool isReference( T *in, T *end ) {
      if( *in == 'r' ) {
          if( *(in+1) == 'e' ) {
              if( *(in+2) == 'f' ) {
                  if( ( in + 2 ) != end ) {
                      return true;
                  }
              }
          }
      }
  
      return false;
  }
  
  template<class T>
  inline
  bool isEndofLine( const T in ) {
      return ( '\n' == in );
  }
  
  template<class T>
  inline
  static T *getNextSeparator( T *in, T *end ) {
      while( !isSeparator( *in ) || in == end ) {
          ++in;
      }
      return in;
  }
  
  static const int ErrorHex2Decimal = 9999999;
  
  inline
  int hex2Decimal( char in ) {
      if( isNumeric( in ) ) {
          return ( in - 48 );
      }
  
      char hexCodeLower( 'a' ), hexCodeUpper( 'A' );
      for( int i = 0; i<16; i++ ) {
          if( in == hexCodeLower + i || in == hexCodeUpper + i ) {
              return ( i+10 );
          }
      }
  
      return ErrorHex2Decimal;
  }
  
  template<class T>
  inline
  bool isComment( T *in, T *end ) {
      if ( *in=='/' ) {
          if ( in+1!=end ) {
              if ( *( in+1 )=='/' ) {
                  char *drive( ( in+2 ) );
                  if ( (isUpperCase<T>( *drive )||isLowerCase<T>( *drive ))&&*( drive+1 )=='/' )  {
                      return false;
                  } else {
                      return true;
                  }
              }
          }
      }
  
      return false;
  }
  
  template<class T>
  inline
  bool isCommentOpenTag(T *in, T *end ) {
      if (*in == '/') {
          if (in + 1 != end) {
              if (*(in + 1) == '*') {
                  return true;
              }
          }
      }
  
      return false;
  }
  
  template<class T>
  inline
  bool isCommentCloseTag(T *in, T *end) {
      if (*in == '*') {
          if (in + 1 != end) {
              if (*(in + 1) == '/') {
                  return true;
              }
          }
      }
  
      return false;
  }
  
  END_ODDLPARSER_NS
  
  