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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source 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; either version 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/hugo/stringfn.h"
namespace Glk {
namespace Hugo {
char *StringFunctions::Left(char a[], int l) {
static char *temp;
int i;
temp = GetTempString();
if (l > (int)strlen(a))
l = strlen(a);
for (i = 0; i<l; i++)
temp[i] = a[i];
temp[i] = '\0';
return temp;
}
char *StringFunctions::Ltrim(char a[]) {
static char *temp;
temp = GetTempString();
strcpy(temp, a);
while (temp[0]==' ' || temp[0]=='\t')
strcpy(temp, temp+1);
return temp;
}
char *StringFunctions::Mid(char a[], int pos, int n) {
static char *temp;
int i;
temp = GetTempString();
pos--;
if (pos+n > (int)strlen(a))
n = strlen(a)-pos;
for (i = 0; i<n; i++)
temp[i] = a[pos+i];
temp[i] = '\0';
return temp;
}
char *StringFunctions::Right(char a[], int l) {
static char *temp;
int i;
temp = GetTempString();
if (l > (int)strlen(a))
l = strlen(a);
for (i = 0; i<l; i++)
temp[i] = a[strlen(a)-l+i];
temp[i] = '\0';
return temp;
}
char *StringFunctions::Rtrim(char a[]) {
static char *temp;
int len;
temp = GetTempString();
strcpy(temp, a);
while (((len = strlen(temp))) && (temp[len-1]==' ' || temp[len-1]=='\t'))
strcpy(temp, Left(temp, len-1));
return temp;
}
char *StringFunctions::hugo_strcpy(char *s, const char *t) {
char *r = s;
while ((*s++ = *t++) != 0) ;
return r;
}
char *StringFunctions::GetTempString() {
static char *r;
r = &_tempString[_tempstringCount][0];
if (++_tempstringCount >= NUM_TEMPSTRINGS)
_tempstringCount = 0;
return r;
}
char *StringFunctions::strlwr(char *s) {
for (char *sp = s; *sp; ++sp)
*sp = tolower(*sp);
return s;
}
char *StringFunctions::strupr(char *s) {
for (char *sp = s; *sp; ++sp)
*sp = toupper(*sp);
return s;
}
} // End of namespace Hugo
} // End of namespace Glk
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