diff options
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 28 |
1 files changed, 26 insertions, 2 deletions
@@ -602,7 +602,7 @@ rb_str_export_to_enc(VALUE str, rb_encoding *enc) } static VALUE -str_replace_shared(VALUE str2, VALUE str) +str_replace_shared_without_enc(VALUE str2, VALUE str) { if (RSTRING_LEN(str) <= RSTRING_EMBED_LEN_MAX) { STR_SET_EMBED(str2); @@ -617,8 +617,14 @@ str_replace_shared(VALUE str2, VALUE str) RSTRING(str2)->as.heap.aux.shared = str; FL_SET(str2, ELTS_SHARED); } - rb_enc_cr_str_exact_copy(str2, str); + return str2; +} +static VALUE +str_replace_shared(VALUE str2, VALUE str) +{ + str_replace_shared_without_enc(str2, str); + rb_enc_cr_str_exact_copy(str2, str); return str2; } @@ -7362,6 +7368,23 @@ rb_str_force_encoding(VALUE str, VALUE enc) /* * call-seq: + * str.b -> str + * + * Returns a copied string whose encoding is ASCII-8BIT. + */ + +static VALUE +rb_str_b(VALUE str) +{ + VALUE str2 = str_alloc(rb_cString); + str_replace_shared_without_enc(str2, str); + OBJ_INFECT(str2, str); + ENC_CODERANGE_SET(str2, ENC_CODERANGE_VALID); + return str2; +} + +/* + * call-seq: * str.valid_encoding? -> true or false * * Returns true for a string which encoded correctly. @@ -8001,6 +8024,7 @@ Init_String(void) rb_define_method(rb_cString, "encoding", rb_obj_encoding, 0); /* in encoding.c */ rb_define_method(rb_cString, "force_encoding", rb_str_force_encoding, 1); + rb_define_method(rb_cString, "b", rb_str_b, 0); rb_define_method(rb_cString, "valid_encoding?", rb_str_valid_encoding_p, 0); rb_define_method(rb_cString, "ascii_only?", rb_str_is_ascii_only_p, 0); |