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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-25 13:25:34 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-11-25 13:25:34 +0000 |
commit | b2e60b2ce7a7cbcb8a67ac78606a18d3c2591d81 (patch) | |
tree | 0f500dea348992d8bf6af2ac546e74925e60cced /string.c | |
parent | 43090c9f504f117203085286710d92afc2429f34 (diff) | |
download | ruby-b2e60b2ce7a7cbcb8a67ac78606a18d3c2591d81.tar.gz |
* include/ruby/encoding.h (rb_enc_str_asciionly_p): declared.
(rb_enc_str_asciicompat_p): defined.
* re.c (rb_reg_initialize_str): use rb_enc_str_asciionly_p.
(rb_reg_quote): return ascii-8bit string if the argument is
ascii-only to generate encoding generic regexp if possible.
(rb_reg_s_union): fix encoding handling. [ruby-dev:32094]
* string.c (rb_enc_str_asciionly_p): defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14013 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -129,6 +129,23 @@ rb_enc_str_coderange(VALUE str) return cr; } +int rb_enc_str_asciionly_p(VALUE str) +{ + rb_encoding *enc = rb_enc_get(str); + + if (rb_enc_asciicompat(enc) && + rb_enc_str_coderange(str) == ENC_CODERANGE_SINGLE) { + char *ptr = RSTRING_PTR(str); + long len = RSTRING_LEN(str); + long i; + for (i = 0; i < len; i++) + if (ptr[i] & 0x80) + return Qfalse; + return Qtrue; + } + return Qfalse; +} + static inline void str_mod_check(VALUE s, char *p, long len) { |