Fresh start

1 files changed, 91 insertions, 0 deletions

diff --git a/jni/ruby/template/encdb.h.tmpl b/jni/ruby/template/encdb.h.tmpl
new file mode 100644
index 0000000..9cbb1f0
--- /dev/null
+++ b/jni/ruby/template/encdb.h.tmpl
@@ -0,0 +1,91 @@
+<%
+#
+# OnigEncodingDefine(foo, Foo) = {
+#   ..
+#   "Shift_JIS", /* Canonical Name */
+#   ..
+# };
+# ENC_ALIAS("SJIS", "Shift_JIS")
+# ENC_REPLICATE("Windows-31J", "Shift_JIS")
+# ENC_ALIAS("CP932", "Windows-31J")
+#
+
+def check_duplication(defs, name, fn, line)
+  if defs[name]
+    raise ArgumentError, "%s:%d: encoding %s is already registered(%s:%d)" %
+      [fn, line, name, *defs[name]]
+  else
+    defs[name.upcase] = [fn,line]
+  end
+end
+
+lines = []
+BUILTIN_ENCODINGS = {
+  'ASCII-8BIT' => 0,
+  'UTF-8' => 1,
+  'US-ASCII' => 2,
+}
+encodings = %w[ASCII-8BIT UTF-8 US-ASCII] # BUILTIN_ENCODINGS.keys is not available on cross compiling and used ruby 1.8
+count = encodings.size
+defs = {}
+encdirs = ARGV.dup
+encdirs << 'enc' if encdirs.empty?
+files = {}
+encdirs.each do |encdir|
+  next unless File.directory?(encdir)
+  Dir.open(encdir) {|d| d.grep(/.+\.[ch]\z/)}.sort_by {|e|
+    e.scan(/(\d+)|(\D+)/).map {|n,a| a||[n.size,n.to_i]}.flatten
+  }.each do |fn|
+    next if files[fn]
+    files[fn] = true
+    open(File.join(encdir,fn)) do |f|
+      name = nil
+      f.each_line do |line|
+        if (/^OnigEncodingDefine/ =~ line)..(/"(.*?)"/ =~ line)
+          if $1
+            if name
+              lines << %[ENC_SET_BASE("#$1", "#{name}");]
+            else
+              name = $1
+            end
+            check_duplication(defs, $1, fn, $.)
+            next if BUILTIN_ENCODINGS[name]
+            encodings << $1
+            count += 1
+          end
+        else
+          case line
+          when /^\s*rb_enc_register\(\s*"([^"]+)"/
+            count += 1
+            line = nil
+            encodings << $1
+          when /^ENC_REPLICATE\(\s*"([^"]+)"\s*,\s*"([^"]+)"/
+            raise ArgumentError,
+            '%s:%d: ENC_REPLICATE: %s is not defined yet. (replica %s)' %
+              [fn, $., $2, $1] unless defs[$2.upcase]
+            count += 1
+          when /^ENC_ALIAS\(\s*"([^"]+)"\s*,\s*"([^"]+)"/
+            raise ArgumentError,
+            '%s:%d: ENC_ALIAS: %s is not defined yet. (alias %s)' %
+              [fn, $., $2, $1] unless defs[$2.upcase]
+          when /^ENC_DUMMY\w*\(\s*"([^"]+)"/
+            count += 1
+          else
+            next
+          end
+          check_duplication(defs, $1, fn, $.)
+          lines << line.sub(/;.*/m, "").chomp + ";" if line
+        end
+      end
+    end
+  end
+end
+encodings.each_with_index do |e, i|
+%>ENC_DEFINE("<%=e%>");
+% end
+% encidx = encodings.size - 1
+% lines.each do |line|
+<%=line%>
+% end
+
+#define ENCODING_COUNT <%=count%>