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win32/file.c: make mapping at initialization

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* win32/file.c (code_page_i, rb_w32_init_file): make encoding to code
  page mapping at initialization directly.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43169 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-10-07 07:20:59 +00:00
parent 98e4a412e4
commit 6531e12e0b
2 changed files with 25 additions and 29 deletions
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5
encoding.c
View file

@ -1931,3 +1931,8 @@ rb_toupper(int c)
return rb_isascii(c) ? ONIGENC_ASCII_CODE_TO_UPPER_CASE(c) : c;
}
void
rb_enc_foreach_name(int (*func)(st_data_t name, st_data_t idx, st_data_t arg), st_data_t arg)
{
st_foreach(enc_table.names, func, arg);
}

49
win32/file.c
View file

@ -168,6 +168,21 @@ system_code_page(void)
return AreFileApisANSI() ? CP_ACP : CP_OEMCP;
}
void rb_enc_foreach_name(int (*func)(st_data_t name, st_data_t idx, st_data_t arg), st_data_t arg);
static int
code_page_i(st_data_t name, st_data_t idx, st_data_t arg)
{
const char *n = (const char *)name;
if (strncmp("CP", n, 2) == 0) {
int code_page = atoi(n + 2);
if (code_page != 0) {
st_insert((st_table *)arg, (st_data_t)idx, (st_data_t)code_page);
}
}
return ST_CONTINUE;
}
/*
Return code page number of the encoding.
Cache code page into a hash for performance since finding the code page in
@ -178,9 +193,6 @@ code_page(rb_encoding *enc)
{
int enc_idx;
st_data_t code_page_value;
VALUE encoding, names_ary = Qundef, name;
ID names;
long i;
if (!enc)
return system_code_page();
@ -192,33 +204,10 @@ code_page(rb_encoding *enc)
return 1252;
}
if (rb_code_page) {
if (st_lookup(rb_code_page, enc_idx, &code_page_value))
return (UINT)code_page_value;
}
else {
rb_code_page = st_init_numtable();
}
if (st_lookup(rb_code_page, enc_idx, &code_page_value))
return (UINT)code_page_value;
code_page_value = INVALID_CODE_PAGE;
encoding = rb_enc_from_encoding(enc);
if (!NIL_P(encoding)) {
CONST_ID(names, "names");
names_ary = rb_funcall(encoding, names, 0);
for (i = 0; i < RARRAY_LEN(names_ary); i++) {
name = RARRAY_PTR(names_ary)[i];
if (strncmp("CP", RSTRING_PTR(name), 2) == 0) {
int code_page = atoi(RSTRING_PTR(name) + 2);
if (code_page != 0) {
code_page_value = code_page;
break;
}
}
}
}
st_insert(rb_code_page, enc_idx, code_page_value);
return (UINT)code_page_value;
return INVALID_CODE_PAGE;
}
#define fix_string_encoding(str, encoding) rb_str_conv_enc((str), (encoding), rb_utf8_encoding())
@ -697,4 +686,6 @@ rb_file_load_ok(const char *path)
void
rb_w32_init_file(void)
{
rb_code_page = st_init_numtable();
rb_enc_foreach_name(code_page_i, (st_data_t)rb_code_page);
}