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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package Utils
export func BaseName(s string) string {
// TODO this is not correct for non-ASCII strings!
i := len(s) - 1;
for i >= 0 && s[i] != '/' {
if s[i] > 128 {
panic("non-ASCII string");
}
i--;
}
return s[i + 1 : len(s)];
}
export func Contains(s, sub string, pos int) bool {
end := pos + len(sub);
return pos >= 0 && end <= len(s) && s[pos : end] == sub;
}
export func TrimExt(s, ext string) string {
i := len(s) - len(ext);
if i >= 0 && s[i : len(s)] == ext {
s = s[0 : i];
}
return s;
}
export func IntToString(x, base int) string {
x0 := x;
if x < 0 {
x = -x;
if x < 0 {
panic("smallest int not handled");
}
} else if x == 0 {
return "0";
}
// x > 0
hex := "0123456789ABCDEF";
var buf [32] byte;
i := len(buf);
for x > 0 {
i--;
buf[i] = hex[x % base];
x /= base;
}
if x0 < 0 {
i--;
buf[i] = '-';
}
return string(buf)[i : len(buf)];
}
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