From 7aaf5b2878210d4df03a84be8d514a553839a5ba Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 27 Nov 2018 06:44:02 +0000
Subject: Embed the Emoji version

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/enc-unicode.rb | 65 ++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 42 insertions(+), 23 deletions(-)

(limited to 'tool/enc-unicode.rb')

diff --git a/tool/enc-unicode.rb b/tool/enc-unicode.rb
index b0819c35ab..f64cecb881 100755
--- a/tool/enc-unicode.rb
+++ b/tool/enc-unicode.rb
@@ -18,7 +18,11 @@ unless ARGV.size == 2
   abort "Usage: #{$0} data_directory emoji_data_directory"
 end
 
-$unicode_version = File.basename(ARGV[0])[/\A[.\d]+\z/]
+pat = /(?:\A|\/)([.\d]+)\z/
+$versions = {
+  :Unicode => ARGV[0][pat, 1],
+  :Emoji => ARGV[1][pat, 1],
+}
 
 POSIX_NAMES = %w[NEWLINE Alpha Blank Cntrl Digit Graph Lower Print XPosixPunct Space Upper XDigit Word Alnum ASCII Punct]
 
@@ -307,18 +311,30 @@ end
 def data_foreach(name, &block)
   fn = get_file(name)
   warn "Reading #{name}"
-  pat = /^# #{File.basename(name).sub(/\./, '-([\\d.]+)\\.')}/
+  if /^emoji-/ =~ name
+    sep = ""
+    pat = /^# #{Regexp.quote(File.basename(name))}.*^# Version: ([\d.]+)/m
+    type = :Emoji
+  else
+    sep = "\n"
+    pat = /^# #{File.basename(name).sub(/\./, '-([\\d.]+)\\.')}/
+    type = :Unicode
+  end
   File.open(fn, 'rb') do |f|
-    line = f.gets
-    unless /^emoji-/ =~ name
-      unless pat =~ line
-        raise ArgumentError, "#{name}: no Unicode version"
-      end
-      if !$unicode_version
-        $unicode_version = $1
-      elsif $unicode_version != $1
-        raise ArgumentError, "#{name}: Unicode version mismatch: #$1"
-      end
+    line = f.gets(sep)
+    unless version = line[pat, 1]
+      raise ArgumentError, <<-ERROR
+#{name}: no #{type} version
+#{line.gsub(/^/, '> ')}
+      ERROR
+    end
+    if !(v = $versions[type])
+      $versions[type] = version
+    elsif v != version
+      raise ArgumentError, <<-ERROR
+#{name}: #{type} version mismatch: #{version} to #{v}
+#{line.gsub(/^/, '> ')}
+      ERROR
     end
     f.each(&block)
   end
@@ -510,17 +526,20 @@ uniname2ctype(const UChar *name, unsigned int len)
   return -1;
 }
 __HEREDOC
-versions = $unicode_version.scan(/\d+/)
-print("#if defined ONIG_UNICODE_VERSION_STRING && !( \\\n")
-%w[MAJOR MINOR TEENY].zip(versions) do |n, v|
-  print("      ONIG_UNICODE_VERSION_#{n} == #{v} && \\\n")
-end
-print("      1)\n")
-print("# error ONIG_UNICODE_VERSION_STRING mismatch\n")
-print("#endif\n")
-print("#define ONIG_UNICODE_VERSION_STRING #{$unicode_version.dump}\n")
-%w[MAJOR MINOR TEENY].zip(versions) do |n, v|
-  print("#define ONIG_UNICODE_VERSION_#{n} #{v}\n")
+$versions.each do |type, ver|
+  name = type == :Unicode ? "ONIG_UNICODE_VERSION" : "ONIG_UNICODE_EMOJI_VERSION"
+  versions = ver.scan(/\d+/)
+  print("#if defined #{name}_STRING && !( \\\n")
+  versions.zip(%w[MAJOR MINOR TEENY]) do |v, n|
+    print("      #{name}_#{n} == #{v} && \\\n")
+  end
+  print("      1)\n")
+  print("# error #{name}_STRING mismatch\n")
+  print("#endif\n")
+  print("#define #{name}_STRING #{ver.dump}\n")
+  versions.zip(%w[MAJOR MINOR TEENY]) do |v, n|
+    print("#define #{name}_#{n} #{v}\n")
+  end
 end
 
 output.restore
-- 
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