Initial commit

engines/glk/hugo/stringfn.cpp

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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 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/>.
+ *
+ */
+
+#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;
+	int len = strlen(a);
+
+	temp = GetTempString();
+	Common::strcpy_s(temp, sizeof(_tempString[0]), a);
+	while (temp[0]==' ' || temp[0]=='\t')
+		memmove(temp, temp+1, len + 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();
+	Common::strcpy_s(temp, sizeof(_tempString[0]), a);
+	while (((len = strlen(temp))) && (temp[len-1]==' ' || temp[len-1]=='\t'))
+		Common::strcpy_s(temp, sizeof(_tempString[0]), 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::hugo_strlwr(char *s) {
+	for (char *sp = s; *sp; ++sp)
+		*sp = tolower(*sp);
+	return s;
+}
+
+char *StringFunctions::hugo_strupr(char *s) {
+	for (char *sp = s; *sp; ++sp)
+		*sp = toupper(*sp);
+	return s;
+}
+
+} // End of namespace Hugo
+} // End of namespace Glk