root/libutil/char.c(160.html)

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DEFINITIONS

This source file includes following definitions.
  1. isregex
  2. quote_string

/*
 * Copyright (c) 2003 Tama Communications Corporation
 *
 * This file is part of GNU GLOBAL.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifdef HAVE_CONFIG_H #include <config.h> #endif #include <ctype.h> #include "char.h" #include "strbuf.h" #define R REGEXCHAR #define U URLCHAR #define RU REGEXCHAR | URLCHAR const unsigned char chartype[256] = { #if '\n' == 0x0a && ' ' == 0x20 && '0' == 0x30 \ && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 /* ASCII */
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, U, 0, 0, R, 0, 0, U,RU,RU,RU, R, 0, U,RU, U, /* !"#$%&'()*+,-./ */
U, U, U, U, U, U, U, U, U, U, 0, 0, 0, 0, 0, R, /* 0123456789:;<=>? */
0, U, U, U, U, U, U, U, U, U, U, U, U, U, U, U, /* @ABCDEFGHIJKLMNO */
U, U, U, U, U, U, U, U, U, U, U, R, R, R, R, U, /* PQRSTUVWXYZ[\]^_ */ 0, U, U, U, U, U, U, U, U, U, U, U, U, U, U, U, /* `abcdefghijklmno */
U, U, U, U, U, U, U, U, U, U, U, R, 0, R, U, /* pqrstuvwxyz{|}~ */
#else #error "Unsupported character encoding." #endif }; /* * isregex: test whether or not regular expression * * i) s string * r) 1: is regex, 0: not regex */
int isregex(const char *s) { int c; while ((c = *s++) != '\0') if (isregexchar(c)) return 1; return 0; } /* * quote string. * * 'aaa' => \'\a\a\a\' */
const char * quote_string(const char *s) { STATIC_STRBUF(sb); strbuf_clear(sb); for (; *s; s++) { if (!isalnum((unsigned char)*s)) strbuf_putc(sb, '\\'); strbuf_putc(sb, *s); } return strbuf_value(sb); }

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