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author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2019-11-01 17:24:52 +0900 |
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committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2019-11-01 17:30:17 +0900 |
commit | 6abf4c4802c15c54742e3e8db9bfcab4207704b9 (patch) | |
tree | f52c486c83feb8ae41974054574813987d458073 /ext/date | |
parent | b2126d3fcfd2a946fe95947506620bb5e6c1f424 (diff) |
[ruby/date] Added update-zonetab target
https://github.com/ruby/date/commit/9bc6e30a82
Diffstat (limited to 'ext/date')
-rw-r--r-- | ext/date/prereq.mk | 4 | ||||
-rw-r--r-- | ext/date/update-abbr | 35 |
2 files changed, 39 insertions, 0 deletions
diff --git a/ext/date/prereq.mk b/ext/date/prereq.mk index b9d9a24dd4..fa371e0d47 100644 --- a/ext/date/prereq.mk +++ b/ext/date/prereq.mk @@ -6,3 +6,7 @@ > $(@F) zonetab.h: zonetab.list + +.PHONY: update-zonetab +update-zonetab: + $(RUBY) -C $(srcdir) update-abbr.rb diff --git a/ext/date/update-abbr b/ext/date/update-abbr new file mode 100644 index 0000000000..e5f6a78c82 --- /dev/null +++ b/ext/date/update-abbr @@ -0,0 +1,35 @@ +# -*- mode: ruby -*- +require 'nokogiri' +require 'open-uri' + +doc = Nokogiri::HTML(URI.open('https://www.timeanddate.com/time/zones/')) + +h = {} + +doc.css('#tz-abb tbody tr').each do |tr| + tds = tr.css('td') + abbr = tds[0].text.strip.downcase + offset = tds[3].text.strip.gsub(/UTC\s*/, '') + next if offset.include?('/') # skip ambiguous timezones + next if offset.empty? + + + hour, min = offset.split(':', 2) + offset = (Integer(hour) * 60 + (Integer(min || 0)))*60 + if h.has_key?(abbr) + h[abbr] = false + else + h[abbr] = offset + end +end + +h.delete_if{|_,v| !v} + +lines = File.readlines('zonetab.list') +lines.select{|l| l.include?(',')}. + map{|l| l.split(',', 2)[0]}. + each{|a| h.delete(a)} + +lines.insert(-2, h.sort.map{|k,v| "#{k},#{v}\n"}) +lines.flatten! +File.write('zonetab.list', lines.join) |