diff options
Diffstat (limited to 'string.c')
| -rw-r--r-- | string.c | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -3532,6 +3532,42 @@ rb_str_split(VALUE str, const char *sep0) return rb_str_split_m(1, &sep, str); } + +/* + * call-seq: + * str.lines => anArray + * + * Divides <i>str</i> into lines terminated by newlines. + * + * "foo\nbar\n".lines #=> ["foo\n", "bar\n"] + * "foo\nb ar".lines #=> ["foo\n", "b ar"] + */ + +static VALUE +rb_str_lines(VALUE str) +{ + VALUE ary = rb_ary_new(); + char *p = RSTRING_PTR(str); + char *pend = p + RSTRING_LEN(str); + char *s = p; + VALUE line; + + while (p < pend) { + if (*p == '\n') { + p++; + line = rb_str_new(s, p-s); + rb_ary_push(ary, line); + s = p; + } + p++; + } + if (p == pend && s < p) { + line = rb_str_new(s, p-s); + rb_ary_push(ary, line); + } + return ary; +} + /* * call-seq: * str.each(separator=$/) {|substr| block } => str @@ -4796,6 +4832,7 @@ Init_String(void) rb_define_method(rb_cString, "hex", rb_str_hex, 0); rb_define_method(rb_cString, "oct", rb_str_oct, 0); rb_define_method(rb_cString, "split", rb_str_split_m, -1); + rb_define_method(rb_cString, "lines", rb_str_lines, 0); rb_define_method(rb_cString, "reverse", rb_str_reverse, 0); rb_define_method(rb_cString, "reverse!", rb_str_reverse_bang, 0); rb_define_method(rb_cString, "concat", rb_str_concat, 1); |