From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 .../priv/bin/codeline_preprocessing.escript        | 117 +++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100755 lib/erl_docgen/priv/bin/codeline_preprocessing.escript

(limited to 'lib/erl_docgen/priv/bin/codeline_preprocessing.escript')

diff --git a/lib/erl_docgen/priv/bin/codeline_preprocessing.escript b/lib/erl_docgen/priv/bin/codeline_preprocessing.escript
new file mode 100755
index 0000000000..33a678d3a4
--- /dev/null
+++ b/lib/erl_docgen/priv/bin/codeline_preprocessing.escript
@@ -0,0 +1,117 @@
+#!/usr/bin/env escript
+%% -*- erlang -*-
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%----------------------------------------------------------------------
+%% File    : codeline_preprocessing.escript
+%%
+%% Created : 10 Sep 2008 by Lars Thorsen 
+%%----------------------------------------------------------------------
+
+%%======================================================================
+%% External functions
+%%======================================================================
+%%----------------------------------------------------------------------
+%% Function: main/1
+%% Description:
+%%----------------------------------------------------------------------
+main([InFile, OutFile]) ->
+    InDev = 
+	case file:open(InFile, [read]) of
+	    {ok,ID} ->
+		ID;
+	    _ ->
+		halt(5)
+	end,
+    CPath=filename:dirname(InFile),
+    OutDev = 
+	case file:open(OutFile, [write]) of
+	    {ok,OD} ->
+		OD;
+	    _ ->
+		halt(5)
+	end,
+    case re:compile("<codeinclude(?:\040|\t)*file=\"([^\"]*)\"(?:(?:(?:\040|\t)*tag=\"([^\"]*)\".*)|(?:.*))(?:/>|/codeinclude>)") of
+	{ok, Mp} ->
+	    parse(InDev, OutDev, CPath, Mp);
+	_ ->
+	    halt(2)
+    end;
+main(_) ->
+    usage().
+        
+
+%%----------------------------------------------------------------------
+%% Function: main/1
+%% Description:
+%%----------------------------------------------------------------------
+usage() ->
+    io:format("usage:  codeline_preprocessing <infile> <outfile>\n"),
+    halt(1).
+
+
+%%======================================================================
+%% Internal functions
+%%======================================================================
+
+parse(InDev, OutDev, CPath, Mp) ->
+    case io:get_line(InDev, "") of
+	eof ->
+	    file:close(OutDev),
+	    file:close(InDev);
+	String ->
+	 case re:run(String, Mp,[{capture, [1,2], list}]) of
+	     {match,[File, []]} ->  
+		 case file:read_file(filename:join(CPath, File))of
+		     {ok, Bin} ->
+			 file:write(OutDev, "<code>\n<![CDATA[\n"),
+			 file:write(OutDev, Bin),
+			 file:write(OutDev, "]]></code>");
+		     _ ->
+			 halt(3) 
+		 end;
+	     {match,[File, Tag]} ->
+		 String2 = get_code(filename:join(CPath, File), Tag),
+		 file:write(OutDev, "<code>\n<![CDATA[\n"),
+		 file:write(OutDev, String2),
+		 file:write(OutDev, "]]></code>");
+		_ -> 
+		    file:write(OutDev, String)		    
+	    end,
+	    parse(InDev, OutDev, CPath, Mp)
+    end.
+ 	    
+%%----------------------------------------------------------------------
+%% Function: get_code/2
+%% Description:
+%%----------------------------------------------------------------------
+get_code(File, Tag) ->
+    case file:read_file(File) of
+	{ok, Bin} ->
+	    case re:run(Bin,"^" ++ Tag ++ "\n((.|\n)*)\n" ++ 
+			Tag ++ "\$",[global, multiline, {capture, [1], binary}]) of
+		{match,[[Match]]} -> 
+		    Match; 
+		_ -> 
+		    halt(4) 
+	    end; 
+	_ ->
+	    halt(3) 
+    end.
+ 
+
+        
-- 
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