diff options
author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-06 00:50:02 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-06 00:50:02 +0000 |
commit | a6ec2584527fb4d6f3a65a2dd16dc02eabdfcec6 (patch) | |
tree | dc7946982b288377e7decba6107feed262613bbc /string.c | |
parent | 58ef0f06c6f6fcc4f6a0d31ade430d87ef9d968d (diff) | |
download | ruby-a6ec2584527fb4d6f3a65a2dd16dc02eabdfcec6.tar.gz |
* string.c (rb_str_b): Add String#b, returning a copied string
whose encoding is ASCII-8BIT. [ruby-dev:45992] [Feature #6767]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37486 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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); |