зеркало из https://github.com/github/ruby.git
60 строки
2.0 KiB
Cheetah
Executable File
60 строки
2.0 KiB
Cheetah
Executable File
== \Regexps Based on Unicode Properties
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The properties shown here are those currently supported in Ruby.
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Older versions may not support all of these.
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<%
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# Generate a documentation file for the unicode properties.
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#
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# Usage:
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#
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# Get PropertyAliases.txt, PropertyValueAliases.txt from unicode.org
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# (http://unicode.org/Public/UNIDATA/) and run
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# ```
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# ruby tool/generic_erb.rb template/unicode_properties.rdoc.tmpl data_dir name2ctype.h
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# ```
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data_dir = ARGV.shift&.tap { |d| Dir.exist?(d) } ||
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abort("Usage: #{$0} data_directory [name2ctype.h]")
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# Map group names, given as last argument to #make_const in enc-unicode.rb,
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# to sections in the doc. The order in this hash controls the order in the doc.
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map = {
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/\[\[:/ => 'POSIX brackets',
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'-' => 'Special',
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/.+ Category/ => 'Major and General Categories',
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'Binary Property' => 'Prop List',
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/Derived Property/ => 'Derived Core Properties',
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'Script' => 'Scripts',
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'Block' => 'Blocks',
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'Emoji' => 'Emoji',
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/Grapheme/ => 'Graphemes',
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/Derived Age/ => 'Derived Ages',
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}
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# aliases in the form { short => long }, e.g. { 'Hex' => 'Hex_Digit', 'L' => 'Letter' }
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aliases = (
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File.binread(File.join(data_dir, 'PropertyAliases.txt')).scan(/^(\w+)\s*; (\w+)/) +
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File.binread(File.join(data_dir, 'PropertyValueAliases.txt')).scan(/^(?:gc|sc)\s*; (\w+)\s*; (\w+)/)
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).to_h
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props_by_section = {}
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ARGF.each_line do |line|
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next unless /'(?<prop>[^']+)': (?<name>.+) \*/ =~ line
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next if prop == 'NEWLINE' # ignore custom internal prop
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section = map.find { |k, v| k === name }&.last || warn("no doc section for #{name}")
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# normalize prop names - the header file uses a mix of short and long names
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long_prop_name = aliases[prop] || prop
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(props_by_section[section] ||= []) << long_prop_name
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end
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map.each_value do |section| -%>
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=== <%=section%>
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% props_by_section[section].sort.each do |prop|
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- <%= [prop, aliases.key(prop)].compact.uniq.map { |v| "<tt>\\p{#{v}}</tt>" }.join(', ') %>
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% end
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% end
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