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/*****************************************************************************
** This is part of the CTSim program
** Copyright (c) 1983-2009 Kevin Rosenberg
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
** published by the Free Software Foundation.
**
** 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, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
******************************************************************************/
#include <ctype.h>
#include "ctsupport.h"
/* NAME
* str_skip_head Skip leading characters of string
*
* SYNOPSIS
* shortened = str_skip_head (str, charlist)
* OUT shortened Start of shortened string
* IN char *str String to have beginning skipped
* IN char *charlist List of characters to skip over
*
* NOTES
* This routine returns the position in a string (str) of the
* first character that is not in an specified string of characters
* (charlist).
*/
char*
str_skip_head (const char* str, const char* const charlist)
{
const char* p = str;
while (*p && (strchr (charlist, *p) != NULL))
p++;
return (const_cast<char*>(p));
}
char*
str_skip_head (const char* str, char* charlist)
{
const char* p = str;
while (*p && (strchr (charlist, *p) != NULL))
p++;
return (const_cast<char*>(p));
}
/* NAME
* str_lower Convert a string to lower case
*
* SYNOPSIS
* str = str_lower (str)
* char *str String to be converted
*/
char *
str_lower (char *s)
{
char *p = s;
while (*p) { /* while (*p != EOS) */
*p = tolower(*p);
++p;
}
return (s);
}
/* NAME
* str_rm_tail Remove characters from end of string
*
* SYNOPSIS
* str = str_rm_tail (str, charlist)
* char *str String to have end removed
k * char *charlist List of characters to remove from string
*
*/
char *
str_rm_tail (char *str, const char* const charlist)
{
int i;
for (i = strlen(str) - 1; i >= 0; i--)
if (strchr (charlist, str[i]) != NULL)
str[i] = EOS;
else
break; /* found non-specified char, all done */
return (str);
}
/* NAME
* str_wrm_tail Remove white space from end of string
*
* SYNOPSIS
* str = str_wrm_tail (str)
* char *str String to have white space removed
*
*/
char *
str_wrm_tail (char *str)
{
return (str_rm_tail(str, "\b\t\n\r"));
}
/* NAME
* str_upper Convert a string to upper case
*
* SYNOPSIS
* str = str_upper (str)
* char *str String to be converted
*/
char *
str_upper (char *s)
{
char *p = s;
while (*p) { /* while (*s != EOS) */
*p = toupper(*p);
p++;
}
return (s);
}
#ifdef TEST
int
main (void)
{
string str, clist;
char *skip;
printf ("Test program for str_skip_head\n");
printf ("\n");
printf ("Enter string that will have its head skipped -- ");
gets (str);
printf ("Enter list of characters to be skipped -- ");
gets (clist);
printf ("\n");
skip = str_skip_head (str, clist);
printf ("Shortened string = '%s'\n", skip);
}
#endif
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