Token_p.h

/*
 *  Copyright (c) 2008,2010,2015 Cyrille Berger <cberger@cberger.net>
 *
 */
 
#ifndef _SPARQL_TOKEN_H_
#define _SPARQL_TOKEN_H_
 
#include <QString>
#include <sstream>
 
#include <knowCore/Curie.h>
 
namespace kDB
{
  namespace SPARQL
  {
    struct Token {
      enum Type {
      // Not really token
        INVALID_BINDING = -6,
        UNKNOWN_BINDING = -5,
        UNFINISHED_STRING = -4,
        END_OF_FILE = -3,
        END_OF_LINE = -2,
        UNKNOWN = - 1,
      // Special characters
        SEMI = 0, 
        COLON, 
        COMA, 
        DOT, 
        STARTBRACE, 
        ENDBRACE, 
        STARTBRACKET, 
        ENDBRACKET, 
        STARTBOXBRACKET, 
        ENDBOXBRACKET, 
        EQUAL, 
        DIFFERENT, 
        AND, 
        OR, 
        INFERIOR, 
        INFERIOREQUAL, 
        SUPPERIOR, 
        SUPPERIOREQUAL, 
        PLUS, 
        MINUS, 
        MULTIPLY, 
        DIVIDE, 
        EXCLAMATION, 
        UNDERSCORECOLON, 
        CIRCUMFLEXCIRCUMFLEX, 
        // Constants
        FLOAT_CONSTANT,
        INTEGER_CONSTANT,
        STRING_CONSTANT,
        URI_CONSTANT,
        NAME,
        LANG_TAG,
        VARIABLE,
        CURIE_CONSTANT,
        BINDING,
        // Special values,
        FALSE,
        TRUE,
#define KDB_SPARQL_KEYWORD(_NAME_) _NAME_,
        // Keywords
        A,
#include "Keywords.h"
        // PL/SPARQL
#include "PlKeywords.h"
#undef KDB_SPARQL_KEYWORD
        ___
      };
      Type type;
      int line;
      int column;
      QString string;
      // Curie
      knowCore::Curie curie;
      Token();
      Token(const knowCore::Curie& _curie, int _line, int _column);
      Token(Type _type, int _line, int _column);
      Token(Type _type, const QString& _string, int _line, int _column);
      bool isExpressionTerminal();
      bool isConstant() const;
      bool isBinaryOperator() const;
      int binaryOperationPriority() const;
      bool isUnaryOperator() const;
      bool isOperator() const;
      bool isPrimary() const;
      static QString typeToString(Type );
      QString toString() const;
      bool operator==(const Token& _rhs) const
      {
        return type == _rhs.type and line == _rhs.line and column == _rhs.column and string == _rhs.string and curie == _rhs.curie;
      }
    };
  }
};
 
 
#endif