1 files changed, 0 insertions, 657 deletions
diff --git a/lib/docbuilder/src/docb_main.erl b/lib/docbuilder/src/docb_main.erl
deleted file mode 100644
index 4f5f035a65..0000000000
--- a/lib/docbuilder/src/docb_main.erl
+++ /dev/null
@@ -1,657 +0,0 @@
-%% ``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 via the world wide web at http://www.erlang.org/.
-%% 
-%% Software distributed under the License is distributed on an "AS IS"
-%% basis, WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See
-%% the License for the specific language governing rights and limitations
-%% under the License.
-%% 
-%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
-%% Portions created by Ericsson are Copyright 1999-2000, Ericsson 
-%% Utvecklings AB. All Rights Reserved.''
-%% 
-%%     $Id$
-%%
--module(docb_main).
-
--export([process/2,
-	 parse/2, parse1/2,
-	 pp/2,
-	 insert_after/3,
-	 transform/5, pp/5,
-	 include_file/2, include/3,
-	 eval_str/1,
-	 validate_html/1
-	]).
--export([do_parse_sgmls/1]).
-
-%%----------------------------------------------------------------------
-
-%% process(File, Opts) -> errors | ok
-%% Parses the source file File and transforms the result to html,
-%% latex and/or man page format.
-process(File, Opts) ->
-    
-    SrcType = docb_util:lookup_option(src_type, Opts),
-
-    File1 = 
-	case SrcType of
-	    ".xml" ->
-		FileTmp = File ++ ".tmpconv",
-		os:cmd("sed -e 's/xi:include[ \t]*href/include file/g' -e 's/xmlns:xi=\"http:\\/\\/www.w3.org\\/2001\\/XInclude\"//g' < " ++ 
-		       File ++ ".xml > " ++ FileTmp ++ ".xml"),
-		FileTmp;
-	    ".sgml"  ->
-		File
-	end,		
-    
-    case parse1(File1, Opts) of
-	errors ->
-	    delete_tmp_file(SrcType, File1),
-	    errors;
-	{ok, Tree} ->
-	    From = element(1, Tree),
-	    Tos0 =
-		lists:foldl(
-		  fun(latex, Acc) -> [latex|Acc];
-		     (html, Acc)  -> [html|Acc];
-		     ({man, _Section}, Acc) -> [man|Acc];
-		     (_, Acc) -> Acc
-		  end, [], Opts),
-
-	    %% If no target format is specified, assume HTML:
-	    Tos = if
-		      Tos0 =:= [] -> [html];
-		      true -> Tos0
-		  end,
-
-	    Result = [transform(From, To, Opts, File, Tree)||To <- Tos], 
-	    case lists:member(transformation_error,Result) of 
-		true -> 	
-		    delete_tmp_file(SrcType, File1),
-		    errors;
-		_ -> 
-		    delete_tmp_file(SrcType, File1),
-		    ok
-	    end
-    
-    end.
-
-
-delete_tmp_file(".xml", File) ->
-    file:delete(File ++ ".xml");
-delete_tmp_file(_, _) ->
-    ok.
-
-%%----------------------------------------------------------------------
-
-%% parse(File, Opts) -> {ok, Tree} | errors
-%% Parses the source file File, resulting in a tree structure.
-parse(File, Opts) ->
-    case docb_util:lookup_option(src_type, Opts) of
-	".xml" ->
-	    parse_xml(File++".xml", Opts);
-	".sgml" ->
-	    parse_sgml(File, Opts)
-    end.
-
-%% parse1(File, Opts) -> {ok, Tree} | errors
-%% Like parse/2, but in the SGML case also prints the parse errors
-%% (in File.html.sgmls_errs) information to stdout.
-parse1(File, Opts) ->
-    parse(File, [{print_parse_errs, true}|Opts]).
-
-
-validate_html(InFile) ->
-    ScanOpts = [{validation,true}, {fetch_fun, fun fetch_dtd/2}],
-    case xmerl_scan:file(InFile, ScanOpts) of
-	{_XMLTuple,[]} -> % ok
-	    {InFile,ok};
-	{'EXIT',Reason} ->
-	    {InFile,Reason}
-    end.
-
-fetch_dtd({public,_,"http://www.w3.org/TR/xhtml1/DTD/"++ Rest},GlobalState) ->
-    Filename = filename:join(docb_util:dtd_dir(),Rest),
-    {ok,{file,Filename},GlobalState};
-fetch_dtd({public,_,Str},GlobalState) ->
-    {ok,{file,filename:join(docb_util:dtd_dir(),Str)},GlobalState}.
-    
-    
-
-parse_xml(InFile, Opts) ->
-    DtdDir = docb_util:dtd_dir(),
-    ScanOpts = [{validation,true}, {fetch_path, [DtdDir]}],
-    PrintP = docb_util:lookup_option(print_parse_errs, Opts),
-    case catch xmerl_scan:file(InFile, ScanOpts) of
-	{'EXIT', Error} when PrintP ->
-	    docb_util:message(error,
-			      "XML validation error:~n~p", [Error]),
-	    errors;
-	{'EXIT', _Error} ->
-	    errors;
-	{error, Reason} -> % probably file error
-	    docb_util:message(error, "XML scan error: ~p", [Reason]),
-	    errors;
-	{Doc, []} ->
-	    case catch xmerl:export([Doc], docb_xmerl_tree_cb) of
-		[Tree] ->
-		    verify(Tree),
-		    {ok, Tree};
-		{'EXIT', Error} ->
-		    docb_util:message(error,
-				      "XML export error:~n~p", [Error]),
-		    errors
-	    end
-    end.
-
-parse_sgml(InFile, Opts) ->
-
-    Pfx = tmp_file_prefix(InFile, Opts),
-    OutFile = Pfx ++ "sgmls_output",
-    ErrFile = Pfx ++ "sgmls_errs",
-
-    EntVals = lists:usort(docb_util:lookup_options(ent, Opts)),
-    Ents = lists:flatten([" -ent " ++ Val || Val <- EntVals]),
-    Cmd = docb_util:old_docb_dir() ++ "/bin/docb_sgmls_run " ++
-	Ents ++ " " ++ InFile ++ ".sgml " ++ OutFile ++ " " ++ ErrFile,
-
-    case os:cmd(Cmd) of
-	[] ->
-	    PrintP = docb_util:lookup_option(print_parse_errs, Opts),
-	    case filelib:file_size(ErrFile) of
-		0 -> % implies no errors
-		    parse_sgmls(InFile, OutFile);
-		_ when PrintP ->
-		    cat(ErrFile),
-		    errors;
-		_ ->
-		    errors
-	    end;
-	Msg ->
-	    docb_util:message(error, "~p", [Msg]),
-	    errors
-    end.
-
-tmp_file_prefix(File, Opts) ->
-    lists:concat(
-      [File, "." | lists:foldl(
-		     fun(latex, Acc) -> ["latex."|Acc];
-			(html, Acc)  -> ["html."|Acc];
-			({man, Section}, Acc) -> ["man", Section, "."|Acc];
-			(_, Acc) -> Acc
-		     end, [], Opts)]).
-
-parse_sgmls(InFile, SgmlsFile) ->
-    case file:open(SgmlsFile, [read]) of
-	{ok, Fd} ->
-	    Res = case (catch do_parse_sgmls(Fd)) of
-		      {ok, Tree} ->
-			  {ok, Tree};
-		      {'EXIT', Reason} ->
-			  docb_util:message(
-			    error,
-			    "Cannot parse sgmls output file "
-			    "~s, obtained from parsing ~s, "
-			    "reason: ~w",
-			    [SgmlsFile, InFile, Reason]),
-			  errors;
-		      {error, Reason} ->
-			  docb_util:message(
-			    error,
-			    "Cannot parse sgmls output file "
-			    "~s, obtained from parsing ~s, "
-			    "reason: ~w",
-			    [SgmlsFile, InFile, Reason]),
-			  errors
-		  end,
-	    file:close(Fd),
-	    case Res of
-		{ok, Tree0} ->
-		    verify(Tree0),
-		    {ok, Tree0};
-		_Other ->
-		    errors
-	    end;
-	{error, Reason} ->
-	    docb_util:message(error,
-			      "Cannot open sgmls output file ~s, "
-			      "obtained from parsing ~s, reason: ~w",
-			      [SgmlsFile, InFile, Reason]),
-	    errors
-    end.
-
-do_parse_sgmls(Fd) ->
-    do_parse_sgmls(Fd, []).
-
-do_parse_sgmls(Fd, Attrs) ->
-    case get_line(Fd) of
-	{attrs, A} ->
-	    do_parse_sgmls(Fd, [A|Attrs]);
-	{startTag, Tag} ->
-	    {ok, {Tag, Attrs, get_args(Fd)}};
-	Other ->
-	    {error, Other}
-    end.
-
-get_args(Fd) ->
-    case get_line(Fd) of
-	{startTag, Tag} ->
-	    H = {Tag, [], get_args(Fd)},
-	    [H|get_args(Fd)];
-	{dataTag, Str} ->
-	    [{pcdata, [], Str}|get_args(Fd)];
-	{attrs, A} ->
-	    get_args_attr(Fd, [A]);
-	close ->
-	    [];
-	ok ->
-	    []
-    end.
-
-get_args_attr(Fd, Attrs) ->
-    case get_line(Fd) of
-	{startTag, Tag} ->
-	    H = {Tag, lists:reverse(Attrs), get_args(Fd)},
-	    [H|get_args(Fd)];
-	{dataTag, Str} ->
-	    [{pcdata, lists:reverse(Attrs), Str}|get_args(Fd)];
-	{attrs, A} ->
-	    get_args_attr(Fd, [A|Attrs]);
-	close ->
-	    [];
-	ok ->
-	    []
-    end.
-
-get_line(Fd) ->
-    Str = io:get_line(Fd, ''),
-    case Str of
-	[$(|T] ->
-	    {startTag, tag_name(T)};
-	[$-|T] ->
-	    {dataTag, T};
-	[$)|_T] ->
-	    close;
-	[$A|T] ->
-	    {attrs, attrs(remove_nl(T))};
-	[$?|_T] ->
-	    get_line(Fd);
-	[$C|_] ->
-	    ok
-    end.
-
-remove_nl([$\n|_]) -> [];
-remove_nl([H|T])    -> [H|remove_nl(T)];
-remove_nl([])       -> [].
-
-%% attrs
-%% splits a string like
-%% AAAAA BBBBB ......
-%% into {"AAA", "BBB", Rest}
-
-attrs(T) ->
-    {X, T1} = get_item(T),
-    {Y, T2} = get_item(T1),
-    T3 = skip_blanks(T2),
-    {X, Y, T3}.
-
-get_item(T) -> get_item(skip_blanks(T), []).
-
-get_item([$ |T], L) -> {lists:reverse(L), [$ |T]};
-get_item([H|T], L)  -> get_item(T, [H|L]);
-get_item([], L)     -> {lists:reverse(L), []}.
-
-skip_blanks([$ |T]) -> skip_blanks(T);
-skip_blanks(T)      -> T.
-
-tag_name(Str) -> tag_name(Str, []).
-
-tag_name([H|T], L) when $A =< H, H =< $Z ->
-    tag_name(T, [H-$A+$a|L]);
-tag_name([$\n], L) ->
-    list_to_atom(lists:reverse(L));
-tag_name([H|T], L) ->
-    tag_name(T, [H|L]).
-
-cat(File) ->
-    case file:open(File, [read]) of
-	{ok, Fd} ->
-	    cat1(Fd),
-	    file:close(Fd);
-	Other ->
-	    Other
-    end.
-
-cat1(Fd) ->
-    case io:get_line(Fd, '') of
-	eof ->
-	    eof;
-	Str ->
-	    io:format("~s", [Str]),
-	    cat1(Fd)
-    end.
-
-%%----------------------------------------------------------------------
-
-verify(Tree) -> verify(Tree, [], 1).
-
-verify({pcdata, Optional, _}, Path, Level) ->
-    verify_optional(Optional, Path, Level);
-verify({Tag, Optional, Args}, Path, Level) when is_list(Args) ->
-    verify_optional(Optional, Path, Level)
-	andalso verify_list(Args, [Tag|Path], Level);
-verify(Other, Path, Level) ->
-    verify_error(Other, Path, Level).
-
-verify_error(X, Path, Level) ->
-    docb_util:message(error, "Invalid object found at: ~p level:~w~n~s",
-		      [Path, Level, docb_pretty_format:term(X)]),
-    false.
-
-verify_list([H|T], Path, Level) ->
-    verify(H, Path, Level) andalso verify_list(T, Path, Level + 1);
-verify_list([], _, _) ->
-    true.
-
-verify_optional([{_, _, _}|T], Path, Level) ->
-    verify_optional(T, Path, Level);
-verify_optional([], _Path, _Level) ->
-    true;
-verify_optional(X, Path, Level) ->
-    verify_error(X, Path, Level).
-
-%%----------------------------------------------------------------------
-
-%% pp(File, Opts) -> {ok, OutFile} | errors
-%% Parses the source file and, if successful, prints the resulting tree
-%% structure to a file with the extension ".pp".
-pp(File, Opts) ->
-    case parse(File, Opts) of
-	{ok, Tree} ->
-	    OutFile = File ++ ".pp",
-	    dump(OutFile, Tree),
-	    {ok, OutFile};
-	errors ->
-	    errors
-    end.
-
-dump(File, Struct) ->
-    {ok, Stream} = file:open(File, [write]),
-    io:format("Info: Dump on ~p ...", [File]),
-    io:format(Stream, "~n~s~n", [docb_pretty_format:term(Struct)]),
-    io:format(" done.\n"),
-    file:close(Stream).
-
-%%----------------------------------------------------------------------
-
-%% insert_after(Tag, Tree, Obj) -> Tree | {'EXIT', Reason}
-%% Insert an element in a tree structure
-insert_after(Tag, Tree, Obj) ->
-    edit(Tag, Tree, {insert_after, Obj}).
-
-%% edit Op = delete, insert_before, insert_after
-edit(Tag, Tree, Op) ->
-    case catch edit1(Tag, Tree, Op) of
-	error ->
-	    docb_util:message(error, "Cannot do ~p to ~w", [Op, Tag]),
-	    Tree;
-	Other ->
-	    Other
-    end.
-
-edit1(Tag, {Tag, _O, _A}, _Op) ->
-    throw(error);
-edit1(Tag, {Tag1, O, A}, Op) ->
-    {Tag1, O, edit1_list(Tag, A, Op)};
-edit1(_, _, _) ->
-    throw(error).
-
-edit1_list(Tag, [{pcdata, Str}|T], Op) ->
-    [{pcdata, Str}|edit1_list(Tag, T, Op)];
-edit1_list(Tag, [{Tag, O, A}|T], {insert_after, Obj}) ->
-    [{Tag, O, A}, Obj|T];
-edit1_list(Tag, [H|T], Op) ->
-    [H|edit1_list(Tag, T, Op)];
-edit1_list(_Tag, [], _Op) ->
-    [].
-
-%%______________________________________________________________________
-
-%% transform(From, To, Opts, File, Tree) -> void()
-%% Actual transformation of tree structure to desired format.
-transform(From, To, Opts, File, Tree) ->
-    Filter = if
-		 To =:= html; To =:= kwic ->
-		     list_to_atom("docb_tr_" ++ atom_to_list(From) ++
-				  [$2|atom_to_list(To)]);
-		 true ->
-		     list_to_atom("sgml_tr_" ++ atom_to_list(From) ++
-				  [$2|atom_to_list(To)])
-	     end,
-
-    case catch Filter:transform(File, Tree, Opts) of
-
-	%% R5C
-	{'EXIT', {undef, [{Filter, transform, [File, Tree, Opts]}|_]}}->
-	    %% No transformation defined
-	    finish_transform(Tree, File, Opts, Filter);
-	
-	{'EXIT', {undef, {Filter, transform, [File, Tree, Opts]}}} ->
-	    %% No transformation defined
-	    finish_transform(Tree, File, Opts, Filter);
-
-	{'EXIT', What} ->
-	    docb_util:message(error,
-			      "Transformation trouble in ~P", [What, 9]),
-	    transformation_error;
-
-	{error, Reason} ->
-	    docb_util:message(error, Reason),
-	    transformation_error;
-	
-	{Tree1, Opts1} ->
-	    %% transformation returning both new parse and new options
-	    finish_transform(Tree1, File, Opts1, Filter);
-	
-	Tree1 ->
-	    %% transformation returning only new parse
-	    finish_transform(Tree1, File, Opts, Filter)
-    end.
-
-finish_transform(Tree, File, Opts, Filter) ->
-    {Str, NewOpts} = pp(Tree, [], 1, Filter, Opts),
-    Extension =
-	case catch Filter:extension(NewOpts) of
-	    {'EXIT', _} ->
-		Filter:extension();
-	    Others ->
-		Others
-	end,
-    {ok, Out} =
-	file:open(docb_util:outfile(File, Extension, NewOpts), [write]),
-    put_chars(Out, Str),
-    file:close(Out).
-
-put_chars(Out, Str) -> put_chars(Out, Str, 0).
-
-put_chars(Out, [$\n|Cs], _Pos) ->
-    io:put_chars(Out, [$\n]),
-    put_chars(Out, Cs, 0);
-
-put_chars(Out, [$\011|Cs], Pos) -> % tab
-    TabbedPos = 8*((Pos div 8)+1),
-    Nblanks = TabbedPos - Pos,
-    io:put_chars(Out, lists:duplicate(Nblanks, $ )),
-    put_chars(Out, Cs, Pos+Nblanks);
-
-put_chars(Out, [C|Cs], Pos) when is_integer(C) ->
-    io:put_chars(Out, [C]),
-    put_chars(Out, Cs, Pos+1);
-
-put_chars(Out, [L|Cs], Pos) when is_list(L) ->
-    put_chars(Out, Cs, put_chars(Out, L, Pos));
-
-put_chars(_Out, [], Pos) ->
-    Pos.
-
-pp({Tag, Optional, Args}, TagPath, Level, Filter, Opts) ->
-    TagPath1  = [Tag|TagPath],
-    Optional1 = reduce_optional(Optional),
-
-    %% First try Filter:rule/3. It returns {Return, NewOpts}
-    %%                          where Return is as from rule/2:
-    Rule_3_result =
-	case catch Filter:rule(TagPath1, {Level,Optional1,Args},Opts) of
-	    %% R5C
-	    {'EXIT', {undef, [{_, rule, _}|_]}} -> % No rule/3 defined
-		failed;
-
-	    {'EXIT', {undef, {_, rule, _}}} -> % No rule/3 defined
-		failed;
-	    %% R5C
-	    {'EXIT', {function_clause, [{_, rule, _}|_]}} -> % No MATCHING rule/3
-		failed;
-
-	    {'EXIT', {function_clause, {_, rule, _}}} -> % No MATCHING rule/3
-		failed;
-
-	    {'EXIT', What} ->
-		docb_util:message(error,
-				  "Serious Error: ~P", [What, 9]);
-	    Others ->
-		Others
-	end,
-    handle_rule_call_result({r3, Rule_3_result}, Filter, TagPath1, Tag,
-			    Level, Optional1, Args, Opts).
-
-handle_rule_call_result({r3, failed}, Filter, TagPath1, Tag, Level, Optional1,
-			Args, Opts) ->
-    %% Hmmm, try Filter:rule/2
-    Rule_2_result = (catch Filter:rule(TagPath1, {Level, Optional1, Args})),
-    handle_rule_call_result({r2, Rule_2_result}, Filter, TagPath1, Tag,
-			    Level, Optional1, Args, Opts);
-handle_rule_call_result({r3, {Result, NewOpts}}, Filter, TagPath1, Tag, Level,
-			Optional1, Args, _Opts) ->
-    handle_rule_call_result({r2, Result}, Filter, TagPath1, Tag, Level,
-			    Optional1, Args, NewOpts);
-handle_rule_call_result({_, {func, F}}, _Filter, _TagPath1, _Tag, _Level,
-			_Optional1, Args, Opts) ->
-    {F(Args), Opts};
-handle_rule_call_result({_, {'EXIT', Why}}, _Filter, TagPath1, _Tag, Level,
-			Optional1, Args, Opts) ->
-    report_error(TagPath1, Why, {Level, Optional1, Args}),
-    {[], Opts};
-handle_rule_call_result({_, {drop, Str}}, _Filter, _TagPath1, _Tag, _Level,
-			_Optional1, _Args, Opts) ->
-    {[Str], Opts};
-handle_rule_call_result({_, {newargs, NewArgs}}, Filter, TagPath1, _Tag, _Level,
-			_Optional1, _Args, Opts) ->
-    {List, NewOpts} = pp_list(NewArgs, TagPath1, 1, Filter, Opts),
-    {[List], NewOpts};
-handle_rule_call_result({_, {newargs, Before, NewArgs, After}}, Filter, TagPath1, _Tag, _Level,
-			_Optional1, _Args, Opts) ->
-    {List, NewOpts} = pp_list(NewArgs, TagPath1, 1, Filter, Opts),
-    {[Before, List, After], NewOpts};
-handle_rule_call_result({_, {Before, After}}, Filter, TagPath1, _Tag, _Level,
-			_Optional1, Args, Opts) when is_list(Before) ->
-    {List, NewOpts} = pp_list(Args, TagPath1, 1, Filter, Opts),
-    {[Before, List, After], NewOpts}.
-
-pp_list([H|T], TagPath, Level, Rules, Opts) ->
-    {Hpp, Hopts} = pp(H, TagPath, Level, Rules, Opts),
-    {Tpp, Tops} = pp_list(T, TagPath, Level + 1, Rules, Hopts),
-    {[Hpp|Tpp], Tops};
-pp_list([], _, _, _, Opts) ->
-    {[], Opts}.
-
-reduce_optional([{_, _, H}|T]) -> [H|reduce_optional(T)];
-reduce_optional([])          -> [].
-
-report_error(Arg1, Cause, Arg2) ->
-    [Tag|_] = Arg1,
-    docb_util:message(error,
-		      "Formatting trouble in ~p: ~p", [Tag, Cause]),
-    docb_util:message(error, "Failure in rule(~p, ~p)", [Arg1, Arg2]).
-
-%%----------------------------------------------------------------------
-
-%% include_file(File, Tag) -> {ok, String} | error
-include_file(File, Tag) ->
-    include(File, "%S" ++ Tag, "%E" ++ Tag).
-
-%% include(File, StartTag, StopTag) -> {ok, String} | error
-include(File, "", "") ->
-    case file:open(File, [read]) of
-	{ok, Fd} ->
-	    String = include_all(Fd),
-	    file:close(Fd),
-	    {ok, String};
-	_ ->
-	    docb_util:message(error,
-			      "Include file ~s not found", [File]),
-	    error
-    end;
-include(File, StartTag, StopTag) ->
-    case file:open(File, [read]) of
-	{ok, Fd} ->
-	    String = extract(File, Fd, StartTag, StopTag, searching),
-	    file:close(Fd),
-	    {ok, lists:flatten(String)};
-	_ ->
-	    docb_util:message(error,
-			      "Include file ~s not found", [File]),
-	    error
-    end.
-
-include_all(Fd) ->
-    case io:get_line(Fd, '') of
-	eof ->
-	    [];
-	ListOfChars ->
-	    ListOfChars ++ include_all(Fd)
-    end.
-
-extract(File, Fd, StartTag, StopTag, State) ->
-    Line=io:get_line(Fd, ''),
-    extract(File, Fd, StartTag, StopTag, State, Line).
-
-extract(File, _, _, _, _, eof) ->
-    docb_util:message(error,
-		      "Premature end of file in include file ~p",
-		      [File]),
-    [];
-extract(File, Fd, StartTag, StopTag, searching, Line) ->
-    case regexp:match(Line, "^" ++ StartTag) of
-	{match, _Start, _Length} ->
-	    extract(File, Fd, StartTag, StopTag, copying);
-	nomatch ->
-	    extract(File, Fd, StartTag, StopTag, searching);
-	{error, _Error} ->
-	    docb_util:message(error, "Bad syntax in ~s", [File]),
-	    []
-    end;
-extract(File, Fd, StartTag, StopTag, copying, Line) ->
-    case regexp:match(Line, "^" ++ StopTag) of
-	{match, _Start, _Length} ->
-	    [];
-	nomatch ->
-	    [Line|extract(File, Fd, StartTag, StopTag, copying)];
-	{error, _Error} ->
-	    docb_util:message(error, "Bad syntax in ~s", [File]),
-	    []
-    end.
-
-%%----------------------------------------------------------------------
-
-eval_str(Str) ->
-    case lib:eval_str(Str) of
-	{error, Report} ->
-	    docb_util:message(error,
-			      "ErlEval failed: ~s (~s)", [Str, Report]);
-	{ok, S} ->
-	    io_lib:format("~p~n", [S])
-    end.