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Extract transliteration code to a seperate method.

Use iconv by default, but only when the transliteration is well behaved.  When it isn't, fallback to mb_chars
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NZKoz committed Sep 29, 2008
1 parent f2c10f2 commit a4629e707d80a5769f7a71ca6ed9471015e14dc9
Showing with 17 additions and 2 deletions.
  1. +17 −2 activesupport/lib/active_support/inflector.rb
@@ -1,4 +1,5 @@
require 'singleton'
+require 'iconv'
module ActiveSupport
# The Inflector transforms words from singular to plural, class names to table names, modularized class names to ones without,
@@ -258,14 +259,28 @@ def demodulize(class_name_in_module)
# # => <a href="/person/1-donald-e-knuth">Donald E. Knuth</a>
def parameterize(string, sep = '-')
re_sep = Regexp.escape(sep)
- string.mb_chars.normalize(:kd). # Decompose accented characters
- gsub(/[^\x00-\x7F]+/, ''). # Remove anything non-ASCII entirely (e.g. diacritics).
+ transliterate(string).
gsub(/[^a-z0-9\-_\+]+/i, sep). # Turn unwanted chars into the separator.
squeeze(sep). # No more than one of the separator in a row.
gsub(/^#{re_sep}|#{re_sep}$/i, ''). # Remove leading/trailing separator.
downcase
end
+
+ # Replaces accented characters with their ascii equivalents.
+ def transliterate(string)
+ Iconv.iconv('ascii//translit//IGNORE', 'utf-8', string).to_s
+ end
+
+ # The iconv transliteration code doesn't function correctly
+ # on some platforms, but it's very fast where it does function.
+ if "foo" != Inflector.transliterate("föö")
+ def transliterate(string)
+ string.mb_chars.normalize(:kd). # Decompose accented characters
+ gsub(/[^\x00-\x7F]+/, '') # Remove anything non-ASCII entirely (e.g. diacritics).
+ end
+ end
+
# Create the name of a table like Rails does for models to table names. This method
# uses the +pluralize+ method on the last word in the string.
#

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