102 lines
2.8 KiB
Ruby
102 lines
2.8 KiB
Ruby
<% #-*- mode: ruby -*-
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#
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# OnigEncodingDefine(foo, Foo) = {
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# ..
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# "Shift_JIS", /* Canonical Name */
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# ..
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# };
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# ENC_ALIAS("SJIS", "Shift_JIS")
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# ENC_REPLICATE("Windows-31J", "Shift_JIS")
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# ENC_ALIAS("CP932", "Windows-31J")
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#
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def check_duplication(defs, name, fn, line)
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if defs[name]
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raise ArgumentError, "%s:%d: encoding %s is already registered(%s:%d)" %
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[fn, line, name, *defs[name]]
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else
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defs[name.upcase] = [fn,line]
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end
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end
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lines = []
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BUILTIN_ENCODINGS = {
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'ASCII-8BIT' => 0,
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'UTF-8' => 1,
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'US-ASCII' => 2,
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}
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encodings = %w[ASCII-8BIT UTF-8 US-ASCII] # BUILTIN_ENCODINGS.keys is not available on cross compiling and used ruby 1.8
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count = encodings.size
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defs = {}
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encdirs = ARGV.dup
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encdirs << 'enc' if encdirs.empty?
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files = {}
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encdirs.each do |encdir|
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next unless File.directory?(encdir)
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Dir.open(encdir) {|d| d.grep(/.+\.[ch]\z/)}.sort_by {|e|
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e.scan(/(\d+)|(\D+)/).map {|n,a| a||[n.size,n.to_i]}.flatten
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}.each do |fn|
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next if files[fn]
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files[fn] = true
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open(File.join(encdir,fn)) do |f|
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name = nil
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skip_ifndef_ruby = false
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encoding_def = false
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f.each_line do |line|
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case line
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when /^#ifndef RUBY/
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skip_ifndef_ruby = true
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when /^#endif/
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skip_ifndef_ruby = false
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end
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next if skip_ifndef_ruby
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encoding_def = true if /^OnigEncodingDefine/ =~ line
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if encoding_def && /"(.*?)"/ =~ line
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encoding_def = false
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if name
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lines << %[ENC_SET_BASE("#$1", "#{name}");]
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else
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name = $1
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end
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check_duplication(defs, $1, fn, f.lineno)
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next if BUILTIN_ENCODINGS[name]
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encodings << $1
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count += 1
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else
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case line
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when /^\s*rb_enc_register\(\s*"([^"]+)"/
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count += 1
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line = nil
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encodings << $1
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when /^ENC_REPLICATE\(\s*"([^"]+)"\s*,\s*"([^"]+)"/
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raise ArgumentError,
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'%s:%d: ENC_REPLICATE: %s is not defined yet. (replica %s)' %
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[fn, f.lineno, $2, $1] unless defs[$2.upcase]
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count += 1
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when /^ENC_ALIAS\(\s*"([^"]+)"\s*,\s*"([^"]+)"/
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raise ArgumentError,
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'%s:%d: ENC_ALIAS: %s is not defined yet. (alias %s)' %
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[fn, f.lineno, $2, $1] unless defs[$2.upcase]
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when /^ENC_DUMMY\w*\(\s*"([^"]+)"/
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count += 1
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else
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next
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end
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check_duplication(defs, $1, fn, f.lineno)
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lines << line.sub(/;.*/m, "").chomp + ";" if line
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end
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end
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end
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end
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end
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-%>
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% encodings.each_with_index do |e, i|
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ENC_DEFINE("<%=e%>");
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% end
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% encidx = encodings.size - 1
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% lines.each do |line|
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<%=line%><%#=%% %>
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% end
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#define ENCODING_COUNT <%=count%>
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