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-rw-r--r--lib/test_server/src/erl2html2.erl68
1 files changed, 44 insertions, 24 deletions
diff --git a/lib/test_server/src/erl2html2.erl b/lib/test_server/src/erl2html2.erl
index 1729257809..9c0ca64173 100644
--- a/lib/test_server/src/erl2html2.erl
+++ b/lib/test_server/src/erl2html2.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. 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
@@ -34,16 +34,17 @@ convert(File, Dest) ->
%%
%% FIXME: The colours should *really* be set with
%% stylesheets...
+ %%
+ %% The html file is written with the same encoding as the input file.
Encoding = encoding(File),
Header = ["<!DOCTYPE HTML PUBLIC "
"\"-//W3C//DTD HTML 3.2 Final//EN\">\n"
- "<!-- autogenerated by '"++atom_to_list(?MODULE)++"'. -->\n"
+ "<!-- autogenerated by '",atom_to_list(?MODULE),"'. -->\n"
"<html>\n"
"<head>\n"
"<meta http-equiv=\"Content-Type\" content=\"text/html;"
- "charset=",
- Encoding,"\"/>\n"
- "<title>", File, "</title>\n"
+ "charset=",html_encoding(Encoding),"\"/>\n"
+ "<title>", to_raw_list(File,Encoding), "</title>\n"
"</head>\n\n"
"<body bgcolor=\"white\" text=\"black\""
" link=\"blue\" vlink=\"purple\" alink=\"red\">\n"],
@@ -61,7 +62,7 @@ convert(File, Dest, Header) ->
case file:open(Dest,[write,raw]) of
{ok,DFd} ->
file:write(DFd,[Header,"<pre>\n"]),
- _Lines = build_html(SFd,DFd,Functions),
+ _Lines = build_html(SFd,DFd,encoding(File),Functions),
file:write(DFd,["</pre>\n",footer(),
"</body>\n</html>\n"]),
%% {_, Time2} = statistics(runtime),
@@ -121,21 +122,21 @@ parse_file(Epp,File,InCorrectFile) ->
%%%-----------------------------------------------------------------
%%% Add a link target for each line and one for each function definition.
-build_html(SFd,DFd,Functions) ->
- build_html(SFd,DFd,file:read_line(SFd),1,Functions,false).
+build_html(SFd,DFd,Encoding,Functions) ->
+ build_html(SFd,DFd,Encoding,file:read_line(SFd),1,Functions,false).
-build_html(SFd,DFd,{ok,Str},L,[{F,A,L}|Functions],_IsFuncDef) ->
+build_html(SFd,DFd,Encoding,{ok,Str},L,[{F,A,L}|Functions],_IsFuncDef) ->
FALink = http_uri:encode(F++"-"++integer_to_list(A)),
- file:write(DFd,["<a name=\"",FALink,"\"/>"]),
- build_html(SFd,DFd,{ok,Str},L,Functions,true);
-build_html(SFd,DFd,{ok,Str},L,[{clause,L}|Functions],_IsFuncDef) ->
- build_html(SFd,DFd,{ok,Str},L,Functions,true);
-build_html(SFd,DFd,{ok,Str},L,Functions,IsFuncDef) ->
+ file:write(DFd,["<a name=\"",to_raw_list(FALink,Encoding),"\"/>"]),
+ build_html(SFd,DFd,Encoding,{ok,Str},L,Functions,true);
+build_html(SFd,DFd,Encoding,{ok,Str},L,[{clause,L}|Functions],_IsFuncDef) ->
+ build_html(SFd,DFd,Encoding,{ok,Str},L,Functions,true);
+build_html(SFd,DFd,Encoding,{ok,Str},L,Functions,IsFuncDef) ->
LStr = line_number(L),
Str1 = line(Str,IsFuncDef),
file:write(DFd,[LStr,Str1]),
- build_html(SFd,DFd,file:read_line(SFd),L+1,Functions,false);
-build_html(_SFd,_DFd,eof,L,_Functions,_IsFuncDef) ->
+ build_html(SFd,DFd,Encoding,file:read_line(SFd),L+1,Functions,false);
+build_html(_SFd,_DFd,_Encoding,eof,L,_Functions,_IsFuncDef) ->
L.
line_number(L) ->
@@ -190,16 +191,35 @@ footer() ->
%%%-----------------------------------------------------------------
%%% Read encoding from source file
encoding(File) ->
- Encoding =
- case epp:read_encoding(File) of
- none ->
- epp:default_encoding();
- E ->
- E
- end,
- html_encoding(Encoding).
+ case epp:read_encoding(File) of
+ none ->
+ epp:default_encoding();
+ E ->
+ E
+ end.
+%%%-----------------------------------------------------------------
+%%% Covert encoding atom to string for use in HTML header
html_encoding(latin1) ->
"iso-8859-1";
html_encoding(utf8) ->
"utf-8".
+
+%%%-----------------------------------------------------------------
+%%% Convert a string to a list of raw printable characters in the
+%%% given encoding. This is necessary since the files (source and
+%%% destination) are both opened in raw mode (default encoding). Byte
+%%% by byte is read from source and written to the destination. This
+%%% conversion is needed when printing data that is not first read
+%%% from the source.
+%%%
+%%% Example: if the encoding of the file is utf8, and we have a string
+%%% containing "�" = [229], then we need to convert this to [195,165]
+%%% before writing. Note that this conversion is only necessary
+%%% because the destination file is not (necessarily) opened with utf8
+%%% encoding - it is opened with default encoding in order to allow
+%%% raw file mode and byte by byte copying from source.
+to_raw_list(X,latin1) when is_list(X) ->
+ X;
+to_raw_list(X,utf8) when is_list(X) ->
+ binary_to_list(unicode:characters_to_binary(X)).