shithub: libmujs

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String.trim()

--- a/jsstring.c

+++ b/jsstring.c

@@ -262,6 +262,25 @@

 	return 1;

 }

+static int iswhite(int c)

+{

+	return c == 0x9 || c == 0xB || c == 0xC || c == 0x20 || c == 0xA0 || c == 0xFEFF ||

+		c == 0xA || c == 0xD || c == 0x2028 || c == 0x2029;

+}

+

+static int Sp_trim(js_State *J, int argc)

+{

+	const char *s, *e;

+	s = js_tostring(J, 0);

+	while (iswhite(*s))

+		++s;

+	e = s + strlen(s);

+	while (e > s && iswhite(e[-1]))

+		--e;

+	js_pushlstring(J, s, e - s);

+	return 1;

+}

+

 static int S_fromCharCode(js_State *J, int argc)

 {

 	int i;

@@ -655,7 +674,9 @@

 		jsB_propf(J, "toLocaleLowerCase", Sp_toLowerCase, 0);

 		jsB_propf(J, "toUpperCase", Sp_toUpperCase, 0);

 		jsB_propf(J, "toLocaleUpperCase", Sp_toUpperCase, 0);

-		// trim (ES5)

+

+		/* ES5 */

+		jsB_propf(J, "trim", Sp_trim, 0);

 	}

 	js_newcconstructor(J, jsB_String, jsB_new_String, 1);

 	{