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|
/*---------------------------------------------------------------------------*
| PDFlib - A library for generating PDF on the fly |
+---------------------------------------------------------------------------+
| Copyright (c) 1997-2006 PDFlib GmbH. All rights reserved. |
*---------------------------------------------------------------------------*
| Proprietary source code -- do not redistribute! |
*---------------------------------------------------------------------------*/
/* $Id: pc_ctype.h,v 1.2 2009/10/20 18:12:26 scuri Exp $ */
#ifndef PC_CTYPE_H_INCLUDED
#define PC_CTYPE_H_INCLUDED
#include "pc_util.h"
extern const unsigned short pdc_ctype[];
#define PDC_ISLOWER 0x0001
#define PDC_ISUPPER 0x0002
#define PDC_ISDIGIT 0x0004
#define PDC_ISPUNCT 0x0008
#define PDC_ISSPACE 0x0010
#define PDC_ISSPACE2 0x0020
#define PDC_ISOCT 0x0100
#define PDC_ISXDIGIT 0x0200
#define PDC_ISDELIM 0x0400
#define PDC_ISNUM0 0x0800 /* '+' '-' '.' '0'..'9' */
#define PDC_ISPDFSP 0x1000 /* ' ' NUL HT NL CR FF */
#define PDC_CONVCHAR(c) ((pdc_byte) c)
/* these are the locale-free replacements for the standard library
** isXXX() functions.
*/
#define pdc_isalnum(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & \
(PDC_ISLOWER | PDC_ISUPPER | PDC_ISDIGIT)) != 0)
#define pdc_isalpha(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & (PDC_ISLOWER | PDC_ISUPPER)) != 0)
#define pdc_isdigit(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & PDC_ISDIGIT) != 0)
#define pdc_islower(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & PDC_ISLOWER) != 0)
#define pdc_isprint(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & \
(PDC_ISLOWER | PDC_ISUPPER | \
PDC_ISDIGIT | PDC_ISPUNCT | PDC_ISSPACE2)) != 0)
#define pdc_ispunct(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & PDC_ISPUNCT) != 0)
#define pdc_isspace(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & PDC_ISSPACE) != 0)
#define pdc_isupper(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & PDC_ISUPPER) != 0)
#define pdc_isxdigit(c) \
((pdc_ctype[PDC_CONVCHAR(c)] & PDC_ISXDIGIT) != 0)
#define pdc_tolower(c) \
(pdc_isupper(c) ? ((pdc_byte) ((c) + 0x20)) : (pdc_byte) (c))
#define pdc_toupper(c) \
(pdc_islower(c) ? ((pdc_byte) ((c) - 0x20)) : (pdc_byte) (c))
/* these macros are for the various flavors of the token scanner. they
** expect ASCII input even on EBCDIC platforms (thus the "_a" suffix),
** and they implement special rules for PDF character classification.
*/
#define pdc_isalnum_a(c) \
((pdc_ctype[(pdc_byte) (c)] & \
(PDC_ISLOWER | PDC_ISUPPER | PDC_ISDIGIT)) != 0)
#define pdc_isalpha_a(c) \
((pdc_ctype[(pdc_byte) (c)] & (PDC_ISLOWER | PDC_ISUPPER)) != 0)
#define pdc_isdecdt_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISDIGIT) != 0)
#define pdc_isdelim_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISDELIM) != 0)
#define pdc_ishexdt_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISXDIGIT) != 0)
#define pdc_islower_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISLOWER) != 0)
#define pdc_isnum0_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISNUM0) != 0)
#define pdc_isoctdt_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISOCT) != 0)
#define pdc_isspace_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISPDFSP) != 0)
#define pdc_isspecial_a(c) \
((pdc_ctype[(pdc_byte) (c)] & (PDC_ISPDFSP | PDC_ISDELIM)) != 0)
#define pdc_isupper_a(c) \
((pdc_ctype[(pdc_byte) (c)] & PDC_ISUPPER) != 0)
#define pdc_isregular_a(c) \
((c) != -1 && !pdc_isspecial_a((pdc_byte) (c)))
#define pdc_tolower_a(c) \
(pdc_isupper_a(c) ? ((pdc_byte) ((c) + 0x20)) : (pdc_byte) (c))
#define pdc_toupper_a(c) \
(pdc_islower_a(c) ? ((pdc_byte) ((c) - 0x20)) : (pdc_byte) (c))
#endif /* PC_CTYPE_H_INCLUDED */
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