PDOperator.h

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//
// PDOperator.h
//
// Copyright (c) 2012 - 2015 Karl-Johan Alm (http://github.com/kallewoof)
// 
// 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.
//

#ifndef INCLUDED_PDOperator_h
#define INCLUDED_PDOperator_h

#include "PDDefines.h"

#define PDOperatorSymbolGlobRegular     0   
#define PDOperatorSymbolGlobWhitespace  1   
#define PDOperatorSymbolGlobDelimiter   4   
#define PDOperatorSymbolExtNumeric      8   
#define PDOperatorSymbolExtFake         16  
#define PDOperatorSymbolExtEOB          32  


extern char *PDOperatorSymbolGlob;

extern char *PDOperatorSymbolGlobHex;

extern char *PDOperatorSymbolGlobDehex;

extern char *PDOperatorSymbolGlobEscaping;

extern void PDOperatorSymbolGlobSetup();

extern char PDOperatorSymbolGlobDefine(char *str);

extern PDOperatorRef PDOperatorCreateFromDefinition(const void **defs);

extern void PDOperatorCompileStates(PDOperatorRef op);

#define PDSymbolUpdateNumeric(numeric, real, c, first_character) \
    numeric &= ((c >= '0' && c <= '9') \
                || \
                (first_character && (c == '-' || c == '+')) \
                || \
                (! real && (real |= c == '.')))

#define PDSymbolDetermineNumeric(numeric, real, c, sym, len) \
    do {                                          \
        PDInteger i;                              \
        for (i = len-1; numeric && i >= 0; i--) { \
            c = sym[i];                           \
            PDSymbolUpdateNumeric(numeric, real, c, i==0); \
        }                                         \
    } while (0)

#endif