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* string.c (rb_str_casecmp): don't use rb_enc_codepoint.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19398 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-09-17 12:50:52 +00:00
parent d965e99b04
commit 635b15d662
4 changed files with 56 additions and 17 deletions
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4
ChangeLog
View file

@ -1,3 +1,7 @@
Wed Sep 17 21:50:14 2008 Tanaka Akira <akr@fsij.org>
* string.c (rb_str_casecmp): don't use rb_enc_codepoint.
Wed Sep 17 19:55:33 2008 Tadayoshi Funaba <tadf@dotrb.org>
* complex.c (nucomp_s_convert): accepts complex

6
include/ruby/encoding.h
View file

@ -125,10 +125,10 @@ unsigned int rb_enc_codepoint(const char *p, const char *e, rb_encoding *enc);
#define rb_enc_mbc_precise_codepoint(p, e, prec_ret, enc) ONIGENC_MBC_PRECISE_CODEPOINT(enc,(UChar*)(p),(UChar*)(e),(prec_ret))
/* -> codelen>0 or raise exception */
int rb_enc_codelen(int code, rb_encoding *enc);
int rb_enc_codelen(int codepoint, rb_encoding *enc);
/* code,ptr,encoding -> write buf */
#define rb_enc_mbcput(c,buf,enc) ONIGENC_CODE_TO_MBC(enc,c,(UChar*)(buf))
/* codepoint,ptr,encoding -> write buf */
#define rb_enc_mbcput(codepoint,buf,enc) ONIGENC_CODE_TO_MBC((enc),(codepoint),(UChar*)(buf))
/* start, ptr, end, encoding -> prev_char */
#define rb_enc_prev_char(s,p,e,enc) (char *)onigenc_get_prev_char_head(enc,(UChar*)(s),(UChar*)(p),(UChar*)(e))

43
string.c
View file

@ -1998,7 +1998,6 @@ rb_str_cmp_m(VALUE str1, VALUE str2)
static VALUE
rb_str_casecmp(VALUE str1, VALUE str2)
{
long len;
rb_encoding *enc;
char *p1, *p1end, *p2, *p2end;
@ -2013,8 +2012,8 @@ rb_str_casecmp(VALUE str1, VALUE str2)
if (single_byte_optimizable(str1) && single_byte_optimizable(str2)) {
while (p1 < p1end && p2 < p2end) {
if (*p1 != *p2) {
unsigned int c1 = rb_enc_toupper(*p1 & 0xff, enc);
unsigned int c2 = rb_enc_toupper(*p2 & 0xff, enc);
unsigned int c1 = TOUPPER(*p1 & 0xff);
unsigned int c2 = TOUPPER(*p2 & 0xff);
if (c1 > c2) return INT2FIX(1);
if (c1 < c2) return INT2FIX(-1);
}
@ -2024,18 +2023,42 @@ rb_str_casecmp(VALUE str1, VALUE str2)
}
else {
while (p1 < p1end && p2 < p2end) {
unsigned int c1 = rb_enc_codepoint(p1, p1end, enc);
unsigned int c2 = rb_enc_codepoint(p2, p2end, enc);
int l1, c1 = rb_enc_ascget(p1, p1end, &l1, enc);
int l2, c2 = rb_enc_ascget(p2, p1end, &l2, enc);
if (0 <= c1) {
if (0 <= c2) {
if (c1 != c2) {
c1 = rb_enc_toupper(c1, enc);
c2 = rb_enc_toupper(c2, enc);
c1 = TOUPPER(c1);
c2 = TOUPPER(c2);
if (c1 > c2) return INT2FIX(1);
if (c1 < c2) return INT2FIX(-1);
}
len = rb_enc_codelen(c1, enc);
p1 += len;
p2 += len;
}
else {
return INT2FIX(-1);
}
}
else {
if (0 <= c2) {
return INT2FIX(1);
}
else {
int l, r;
l1 = rb_enc_mbclen(p1, p1end, enc);
l2 = rb_enc_mbclen(p2, p2end, enc);
l = l1;
if (l2 < l)
l = l2;
r = memcmp(p1, p2, l);
if (r != 0)
return INT2FIX(r < 0 ? -1 : 1);
if (l1 != l2)
return INT2FIX(l1 < l2 ? -1 : 1);
}
}
p1 += l1;
p2 += l2;
}
}
if (RSTRING_LEN(str1) == RSTRING_LEN(str2)) return INT2FIX(0);

12
test/ruby/enc/test_utf16.rb
View file

@ -368,4 +368,16 @@ EOT
r = Regexp.new(Regexp.escape(s))
assert(r =~ s, "#{encdump(r)} =~ #{encdump(s)}")
end
def test_casecmp
assert_equal(0, "\0A".force_encoding("UTF-16BE").casecmp("\0a".force_encoding("UTF-16BE")))
assert_not_equal(0, "\0A".force_encoding("UTF-16LE").casecmp("\0a".force_encoding("UTF-16LE")))
assert_not_equal(0, "A\0".force_encoding("UTF-16BE").casecmp("a\0".force_encoding("UTF-16BE")))
assert_equal(0, "A\0".force_encoding("UTF-16LE").casecmp("a\0".force_encoding("UTF-16LE")))
ary = ["ab".force_encoding("UTF-16LE"), "ba".force_encoding("UTF-16LE")]
e = ary.sort {|x,y| x <=> y }
a = ary.sort {|x,y| x.casecmp(y) }
assert_equal(e, a)
end
end