summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lib/unicode_normalize.rb26
-rw-r--r--lib/unicode_normalize/normalize.rb4
-rw-r--r--string.c48
3 files changed, 48 insertions, 30 deletions
diff --git a/lib/unicode_normalize.rb b/lib/unicode_normalize.rb
index 0630b8627e..3f359a0ff3 100644
--- a/lib/unicode_normalize.rb
+++ b/lib/unicode_normalize.rb
@@ -9,32 +9,6 @@
class String
# :call-seq:
- # str.unicode_normalize(form=:nfc)
- #
- # Unicode Normalization---Returns a normalized form of +str+,
- # using Unicode normalizations NFC, NFD, NFKC, or NFKD.
- # The normalization form used is determined by +form+, which can
- # be any of the four values +:nfc+, +:nfd+, +:nfkc+, or +:nfkd+.
- # The default is +:nfc+.
- #
- # If the string is not in a Unicode Encoding, then an Exception is raised.
- # In this context, 'Unicode Encoding' means any of UTF-8, UTF-16BE/LE,
- # and UTF-32BE/LE, as well as GB18030, UCS_2BE, and UCS_4BE.
- # Anything other than UTF-8 is implemented by converting to UTF-8,
- # which makes it slower than UTF-8.
- #
- # "a\u0300".unicode_normalize #=> 'à' (same as "\u00E0")
- # "a\u0300".unicode_normalize(:nfc) #=> 'à' (same as "\u00E0")
- # "\u00E0".unicode_normalize(:nfd) #=> 'à' (same as "a\u0300")
- # "\xE0".force_encoding('ISO-8859-1').unicode_normalize(:nfd)
- # #=> Encoding::CompatibilityError raised
- #
- def unicode_normalize(form = :nfc)
- require 'unicode_normalize/normalize.rb'
- unicode_normalize form # no recursion, because redefined in unicode_normalize/normalize.rb
- end
-
- # :call-seq:
# str.unicode_normalize!(form=:nfc)
#
# Destructive version of String#unicode_normalize, doing Unicode
diff --git a/lib/unicode_normalize/normalize.rb b/lib/unicode_normalize/normalize.rb
index 87b84589a5..8bfbbfeea5 100644
--- a/lib/unicode_normalize/normalize.rb
+++ b/lib/unicode_normalize/normalize.rb
@@ -160,10 +160,6 @@ module UnicodeNormalize # :nodoc:
end # module
class String # :nodoc:
- def unicode_normalize(form = :nfc)
- UnicodeNormalize.normalize(self, form)
- end
-
def unicode_normalize!(form = :nfc)
replace(UnicodeNormalize.normalize(self, form))
end
diff --git a/string.c b/string.c
index cfeecd5a26..73d8f0e6fb 100644
--- a/string.c
+++ b/string.c
@@ -9582,6 +9582,48 @@ str_scrub_bang(int argc, VALUE *argv, VALUE str)
return str;
}
+static VALUE id_normalize;
+static VALUE mUnicodeNormalize;
+static int UnicodeNormalizeRequired = 0;
+
+/*
+ * call-seq:
+ * str.unicode_normalize(form=:nfc)
+ *
+ * Unicode Normalization---Returns a normalized form of +str+,
+ * using Unicode normalizations NFC, NFD, NFKC, or NFKD.
+ * The normalization form used is determined by +form+, which can
+ * be any of the four values +:nfc+, +:nfd+, +:nfkc+, or +:nfkd+.
+ * The default is +:nfc+.
+ *
+ * If the string is not in a Unicode Encoding, then an Exception is raised.
+ * In this context, 'Unicode Encoding' means any of UTF-8, UTF-16BE/LE,
+ * and UTF-32BE/LE, as well as GB18030, UCS_2BE, and UCS_4BE.
+ * Anything other than UTF-8 is implemented by converting to UTF-8,
+ * which makes it slower than UTF-8.
+ *
+ * "a\u0300".unicode_normalize #=> 'à' (same as "\u00E0")
+ * "a\u0300".unicode_normalize(:nfc) #=> 'à' (same as "\u00E0")
+ * "\u00E0".unicode_normalize(:nfd) #=> 'à' (same as "a\u0300")
+ * "\xE0".force_encoding('ISO-8859-1').unicode_normalize(:nfd)
+ * #=> Encoding::CompatibilityError raised
+ */
+static VALUE
+rb_str_unicode_normalize(int argc, VALUE *argv, VALUE str)
+{
+ if (!UnicodeNormalizeRequired) {
+ rb_require("unicode_normalize/normalize.rb");
+ UnicodeNormalizeRequired = 1;
+ }
+ /* return rb_funcall2(str, id_unicode_normalize, argc, argv); */
+ if (argc==0)
+ return rb_funcall(mUnicodeNormalize, id_normalize, 1, str);
+ else if (argc==1)
+ return rb_funcall(mUnicodeNormalize, id_normalize, 2, str, argv[0]);
+ else
+ rb_raise(rb_eArgError, "too many arguments to unicode_normalize");
+}
+
/**********************************************************************
* Document-class: Symbol
*
@@ -10230,6 +10272,12 @@ Init_String(void)
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);
+ /* define module here so that we don't have to look it up */
+ mUnicodeNormalize = rb_define_module("UnicodeNormalize");
+ id_normalize = rb_intern("normalize");
+
+ rb_define_method(rb_cString, "unicode_normalize", rb_str_unicode_normalize, -1);
+
rb_fs = Qnil;
rb_define_hooked_variable("$;", &rb_fs, 0, rb_fs_setter);
rb_define_hooked_variable("$-F", &rb_fs, 0, rb_fs_setter);