Created
November 6, 2009 07:31
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Locale module
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| $ ./ruby -rlocale -e 'p ENV.values_at(*%w[LC_ALL LC_TIME LANG]); | |
| t = Time.now | |
| puts t | |
| Locale.all="" | |
| puts t | |
| Locale.time="C" | |
| puts t' | |
| [nil, nil, "ja_JP.UTF-8"] | |
| Fri Nov 06 16:38:50 +0900 2009 | |
| 金 11 06 16:38:50 +0900 2009 | |
| Fri Nov 06 16:38:50 +0900 2009 |
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| require 'mkmf' | |
| extension_name = 'locale' | |
| header = "locale.h" | |
| dir_config(extension_name) | |
| if have_header(header) | |
| lc = %w[CTYPE NUMERIC TIME COLLATE MONETARY MESSAGES ALL] | |
| lc = lc.delete_if {|n| !have_macro("LC_#{n}", header)}. | |
| collect {|n| "def(#{n.downcase}, LC_#{n})"}. | |
| join(" \t") | |
| $defs << "-Dforeach_categories(def)=\"\t#{lc}\"" | |
| create_header | |
| create_makefile(extension_name) | |
| end |
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| #include <locale.h> | |
| #include "ruby.h" | |
| static VALUE | |
| rb_setlocale(int category, const char *locale) | |
| { | |
| char *r = setlocale(category, locale); | |
| if (!r) rb_raise(rb_eRuntimeError, "setlocale"); | |
| return rb_str_new2(r); | |
| } | |
| static inline VALUE | |
| locale_set(int category, VALUE locale) | |
| { | |
| return rb_setlocale(category, StringValueCStr(locale)); | |
| } | |
| static inline VALUE | |
| locale_get(int category) | |
| { | |
| return rb_setlocale(category, NULL); | |
| } | |
| #define funcs(n, c) \ | |
| static VALUE rb_getlocale_##n(VALUE self) {return locale_get(c);} \ | |
| static VALUE rb_setlocale_##n(VALUE self, VALUE val) {return locale_set(c, val);} \ | |
| /* end of funcs */ | |
| foreach_categories(funcs) | |
| void | |
| Init_locale(void) | |
| { | |
| VALUE locale = rb_define_module("Locale"); | |
| #define methods(n, c) \ | |
| rb_define_singleton_method(locale, #n, rb_getlocale_##n, 0); \ | |
| rb_define_singleton_method(locale, #n"=", rb_setlocale_##n, 1); \ | |
| /* end of methods */ | |
| foreach_categories(methods); | |
| } |
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