method

replace

v1_8_7_72 - Show latest stable - 0 notes - Class: String

replace(p1) public

Replaces the contents and taintedness of str with the corresponding values in other_str.

   s = "hello"         #=> "hello"
   s.replace "world"   #=> "world"

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/*
 *  call-seq:
 *     str.replace(other_str)   => str
 *  
 *  Replaces the contents and taintedness of <i>str</i> with the corresponding
 *  values in <i>other_str</i>.
 *     
 *     s = "hello"         #=> "hello"
 *     s.replace "world"   #=> "world"
 */

static VALUE
rb_str_replace(str, str2)
    VALUE str, str2;
{
    if (str == str2) return str;

    StringValue(str2);
    if (FL_TEST(str2, ELTS_SHARED)) {
        if (str_independent(str)) {
            free(RSTRING(str)->ptr);
        }
        RSTRING(str)->len = RSTRING(str2)->len;
        RSTRING(str)->ptr = RSTRING(str2)->ptr;
        FL_SET(str, ELTS_SHARED);
        FL_UNSET(str, STR_ASSOC);
        RSTRING(str)->aux.shared = RSTRING(str2)->aux.shared;
    }
    else {
        rb_str_modify(str);
        rb_str_resize(str, RSTRING(str2)->len);
        memcpy(RSTRING(str)->ptr, RSTRING(str2)->ptr, RSTRING(str2)->len);
        if (FL_TEST(str2, STR_ASSOC)) {
            FL_SET(str, STR_ASSOC);
            RSTRING(str)->aux.shared = RSTRING(str2)->aux.shared;
        }
    }

    OBJ_INFECT(str, str2);
    return str;
}

replace

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