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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.c,v 1.1 2008/10/17 06:10:43 scuri Exp $ */
#include "pc_ctype.h"
#undef LOWER
#undef UPPER
#undef DIGIT
#undef PUNCT
#undef SPACE
#undef OCT
#undef HEX
#undef DELIM
#undef NUM0
#undef PDFSP
#define LOWER 0x0001
#define UPPER 0x0002
#define DIGIT 0x0004
#define PUNCT 0x0008
#define SPACE 0x0010
#define OCT 0x0100
#define HEX 0x0200
#define DELIM 0x0400
#define NUM0 0x0800 /* '+' '-' '.' '0'..'9' */
#define PDFSP 0x1000 /* ' ' NUL HT NL CR FF */
static const unsigned short pdc_ctype[256] =
{
PDFSP, /* 0x00 = NUL */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x01 .. 0x08 */
SPACE | PDFSP, /* 0x09 = HT */
SPACE | PDFSP, /* 0x0A = NL */
SPACE, /* 0x0B = VT */
SPACE | PDFSP, /* 0x0C = FF */
SPACE | PDFSP, /* 0x0D = CR */
0, /* 0x0E */
0, /* 0x0F */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 .. 0x17 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x18 .. 0x1F */
SPACE | PDFSP, /* 0x20 = ' ' */
PUNCT, /* 0x21 = '!' */
PUNCT, /* 0x22 = '"' */
PUNCT, /* 0x23 = '#' */
PUNCT, /* 0x24 = '$' */
PUNCT | DELIM, /* 0x25 = '%' */
PUNCT, /* 0x26 = '&' */
PUNCT, /* 0x27 = ''' */
PUNCT | DELIM, /* 0x28 = '(' */
PUNCT | DELIM, /* 0x29 = ')' */
PUNCT, /* 0x2A = '*' */
PUNCT | NUM0, /* 0x2B = '+' */
PUNCT, /* 0x2C = ',' */
PUNCT | NUM0, /* 0x2D = '-' */
PUNCT | NUM0, /* 0x2E = '.' */
PUNCT | DELIM, /* 0x2F = '/' */
DIGIT | NUM0 | HEX | OCT, /* 0x30 = '0' */
DIGIT | NUM0 | HEX | OCT, /* 0x31 = '1' */
DIGIT | NUM0 | HEX | OCT, /* 0x32 = '2' */
DIGIT | NUM0 | HEX | OCT, /* 0x33 = '3' */
DIGIT | NUM0 | HEX | OCT, /* 0x34 = '4' */
DIGIT | NUM0 | HEX | OCT, /* 0x35 = '5' */
DIGIT | NUM0 | HEX | OCT, /* 0x36 = '6' */
DIGIT | NUM0 | HEX | OCT, /* 0x37 = '7' */
DIGIT | NUM0 | HEX, /* 0x38 = '8' */
DIGIT | NUM0 | HEX, /* 0x39 = '9' */
PUNCT, /* 0x3A = ':' */
PUNCT, /* 0x3B = ';' */
PUNCT | DELIM, /* 0x3C = '<' */
PUNCT, /* 0x3D = '=' */
PUNCT | DELIM, /* 0x3E = '>' */
PUNCT, /* 0x3F = '?' */
PUNCT, /* 0x40 = '@' */
UPPER | HEX, /* 0x41 = 'A' */
UPPER | HEX, /* 0x42 = 'B' */
UPPER | HEX, /* 0x43 = 'C' */
UPPER | HEX, /* 0x44 = 'D' */
UPPER | HEX, /* 0x45 = 'E' */
UPPER | HEX, /* 0x46 = 'F' */
UPPER, /* 0x47 = 'G' */
UPPER, /* 0x48 = 'H' */
UPPER, /* 0x49 = 'I' */
UPPER, /* 0x4A = 'J' */
UPPER, /* 0x4B = 'K' */
UPPER, /* 0x4C = 'L' */
UPPER, /* 0x4D = 'M' */
UPPER, /* 0x4E = 'N' */
UPPER, /* 0x4F = 'O' */
UPPER, /* 0x50 = 'P' */
UPPER, /* 0x51 = 'Q' */
UPPER, /* 0x52 = 'R' */
UPPER, /* 0x53 = 'S' */
UPPER, /* 0x54 = 'T' */
UPPER, /* 0x55 = 'U' */
UPPER, /* 0x56 = 'V' */
UPPER, /* 0x57 = 'W' */
UPPER, /* 0x58 = 'X' */
UPPER, /* 0x59 = 'Y' */
UPPER, /* 0x5A = 'Z' */
PUNCT | DELIM, /* 0x5B = '[' */
PUNCT, /* 0x5C = '\' */
PUNCT | DELIM, /* 0x5D = ']' */
PUNCT, /* 0x5E = '^' */
PUNCT, /* 0x5F = '_' */
PUNCT, /* 0x60 = '`' */
LOWER | HEX, /* 0x61 = 'a' */
LOWER | HEX, /* 0x62 = 'b' */
LOWER | HEX, /* 0x63 = 'c' */
LOWER | HEX, /* 0x64 = 'd' */
LOWER | HEX, /* 0x65 = 'e' */
LOWER | HEX, /* 0x66 = 'f' */
LOWER, /* 0x67 = 'g' */
LOWER, /* 0x68 = 'h' */
LOWER, /* 0x69 = 'i' */
LOWER, /* 0x6A = 'j' */
LOWER, /* 0x6B = 'k' */
LOWER, /* 0x6C = 'l' */
LOWER, /* 0x6D = 'm' */
LOWER, /* 0x6E = 'n' */
LOWER, /* 0x6F = 'o' */
LOWER, /* 0x70 = 'p' */
LOWER, /* 0x71 = 'q' */
LOWER, /* 0x72 = 'r' */
LOWER, /* 0x73 = 's' */
LOWER, /* 0x74 = 't' */
LOWER, /* 0x75 = 'u' */
LOWER, /* 0x76 = 'v' */
LOWER, /* 0x77 = 'w' */
LOWER, /* 0x78 = 'x' */
LOWER, /* 0x79 = 'y' */
LOWER, /* 0x7A = 'z' */
PUNCT | DELIM, /* 0x7B = '{' */
PUNCT, /* 0x7C = '|' */
PUNCT | DELIM, /* 0x7D = '}' */
PUNCT, /* 0x7E = '~' */
0, /* 0x7F */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 .. 0x87 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x88 .. 0x8F */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 .. 0x97 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0x98 .. 0x9F */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xA0 .. 0xA7 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xA8 .. 0xAF */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xB0 .. 0xB7 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xB8 .. 0xBF */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xC0 .. 0xC7 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xC8 .. 0xCF */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xD0 .. 0xD7 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xD8 .. 0xDF */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xE0 .. 0xE7 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xE8 .. 0xEF */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xF0 .. 0xF7 */
0, 0, 0, 0, 0, 0, 0, 0, /* 0xF8 .. 0xFF */
}; /* pdc_ctype */
pdc_bool pdc__isalnum(pdc_byte c)
{
return (pdc_ctype[c] & (LOWER | UPPER | DIGIT)) != 0;
}
pdc_bool pdc__isalpha(pdc_byte c)
{
return (pdc_ctype[c] & (LOWER | UPPER)) != 0;
}
pdc_bool pdc__isdigit(pdc_byte c)
{
return (pdc_ctype[c] & DIGIT) != 0;
}
pdc_bool pdc__islower(pdc_byte c)
{
return (pdc_ctype[c] & LOWER) != 0;
}
pdc_bool pdc__isprint(pdc_byte c)
{
if (c == 0x20)
return pdc_true;
return (pdc_ctype[c] & (LOWER | UPPER | DIGIT | PUNCT)) != 0;
}
pdc_bool pdc__ispunct(pdc_byte c)
{
return (pdc_ctype[c] & PUNCT) != 0;
}
pdc_bool pdc__isspace(pdc_byte c)
{
return (pdc_ctype[c] & SPACE) != 0;
}
pdc_bool pdc__isupper(pdc_byte c)
{
return (pdc_ctype[c] & UPPER) != 0;
}
pdc_bool pdc__isxdigit(pdc_byte c)
{
return (pdc_ctype[c] & HEX) != 0;
}
pdc_byte pdc__tolower(pdc_byte c)
{
if (!pdc_isupper(c))
{
return c;
}
else
{
return (pdc_byte) (c + 0x20);
}
}
pdc_byte pdc__toupper(pdc_byte c)
{
if (!pdc_islower(c))
{
return c;
}
else
{
return (pdc_byte) (c - 0x20);
}
}
pdc_bool pdc__isalpha_a(pdc_byte c)
{
return (pdc_ctype[c] & (LOWER | UPPER)) != 0;
}
pdc_bool pdc__isdecdt_a(pdc_byte c)
{
return (pdc_ctype[c] & DIGIT) != 0;
}
pdc_bool pdc__isdelim_a(pdc_byte c)
{
return (pdc_ctype[c] & DELIM) != 0;
}
pdc_bool pdc__ishexdt_a(pdc_byte c)
{
return (pdc_ctype[c] & HEX) != 0;
}
pdc_bool pdc__islower_a(pdc_byte c)
{
return (pdc_ctype[c] & LOWER) != 0;
}
pdc_bool pdc__isnum0_a(pdc_byte c)
{
return (pdc_ctype[c] & NUM0) != 0;
}
pdc_bool pdc__isoctdt_a(pdc_byte c)
{
return (pdc_ctype[c] & OCT) != 0;
}
pdc_bool pdc__isspace_a(pdc_byte c)
{
return (pdc_ctype[c] & PDFSP) != 0;
}
pdc_bool pdc__isspecial_a(pdc_byte c)
{
return (pdc_ctype[c] & (PDFSP | DELIM)) != 0;
}
pdc_bool pdc__isupper_a(pdc_byte c)
{
return (pdc_ctype[c] & UPPER) != 0;
}
|
