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String.trim()

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This commit is contained in:
Tor Andersson
2014-02-06 23:40:38 +01:00
parent bc6da35e59
commit 8e917e8c27
1 changed files with 22 additions and 1 deletions
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23
jsstring.c
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@@ -262,6 +262,25 @@ static int Sp_toUpperCase(js_State *J, int argc)
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 @@ void jsB_initstring(js_State *J)
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);
{