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/*****************************************************************************\
* layout_common.c
*****************************************************************************
* Please also read the file DISCLAIMER which is included in this software
* distribution.
*
* 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) version 2, dated June 1991.
*
* 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 terms and
* conditions of the GNU General Public License for more details.
\*****************************************************************************/
#include <ctype.h>
#include "layout-text.h"
static int is_ident_nondigit(int c)
{
int result;
switch(c) {
case 'A': case 'B': case 'C': case 'D':
case 'E': case 'F': case 'G': case 'H':
case 'I': case 'J': case 'K': case 'L':
case 'M': case 'N': case 'O': case 'P':
case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X':
case 'Y': case 'Z':
case 'a': case 'b': case 'c': case 'd':
case 'e': case 'f': case 'g': case 'h':
case 'i': case 'j': case 'k': case 'l':
case 'm': case 'n': case 'o': case 'p':
case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x':
case 'y': case 'z':
case '_':
result = 1;
break;
default:
result = 0;
break;
}
return result;
}
int is_ident(char *str)
{
int result;
int ch;
ch = *str;
result = 0;
if (is_ident_nondigit(ch)) {
do {
str++;
ch = *str;
} while(ch && (is_ident_nondigit(ch) || (isdigit(ch))));
result = (ch == '\0');
}
return result;
}
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