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0 parents commit f84b2a806f2330f675240ab80b013181fe2f50a8 @rsaccon rsaccon committed Nov 18, 2007
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+{"src/erlydtl/*", [debug_info, {d, debug}, {outdir, "ebin"}]}.
+{"src/demo/*", [debug_info, {d, debug}, {outdir, "ebin"}]}.
@@ -0,0 +1,15 @@
+ERL=/Users/rsaccon/R11B/start.sh
+#ERL=/usr/local/erlware/bin/erl
+ERL=erl
+NODENAME=skast
+
+
+all:
+ $(ERL) -make
+
+run:
+ $(ERL) -pa `pwd`/ebin
+
+clean:
+ rm -fv ebin/*
+ rm -fv erl_crash.dump
@@ -0,0 +1,12 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+ <title>Test Comment</title>
+ </head>
+ <body>
+
+ bla
+
+ </body>
+</html>
@@ -0,0 +1,11 @@
+blastring
+
+base template
+
+replacing the base title
+
+more of base template
+
+replacing the base content
+
+end of base template
@@ -0,0 +1,11 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+ <title>Test variable</title>
+ </head>
+ <body>
+ foostring
+ foostring
+ </body>
+</html>
@@ -0,0 +1,11 @@
+{{ variable }}
+
+base template
+
+{% block title %}base title{% endblock %}
+
+more of base template
+
+{% block content %}base content{% endblock %}
+
+end of base template
@@ -0,0 +1,12 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+ <title>Test Comment</title>
+ </head>
+ <body>
+ {# comment1 #}
+ bla
+ {# comment2 #}
+ </body>
+</html>
@@ -0,0 +1,3 @@
+{% extends base.html %}
+{% block title %}replacing the base title{% endblock %}
+{% block content %}replacing the base content{% endblock %}
@@ -0,0 +1,11 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+ <head>
+ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+ <title>Test variable</title>
+ </head>
+ <body>
+ {{ variable }}
+ <!--{{ variable }}-->
+ </body>
+</html>
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+%%%-------------------------------------------------------------------
+%%% File: erlydtl_demo.erl
+%%% @author Roberto Saccon <rsaccon@gmail.com> [http://rsaccon.com]
+%%% @copyright 2007 Roberto Saccon
+%%% @doc
+%%%
+%%% @end
+%%%
+%%% The MIT License
+%%%
+%%% Copyright (c) 2007 Roberto Saccon
+%%%
+%%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%%% of this software and associated documentation files (the "Software"), to deal
+%%% in the Software without restriction, including without limitation the rights
+%%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%%% copies of the Software, and to permit persons to whom the Software is
+%%% furnished to do so, subject to the following conditions:
+%%%
+%%% The above copyright notice and this permission notice shall be included in
+%%% all copies or substantial portions of the Software.
+%%%
+%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%%% THE SOFTWARE.
+%%%
+%%% @since 2007-11-17 by Roberto Saccon
+%%%-------------------------------------------------------------------
+-module(erlydtl_demo).
+-author('rsaccon@gmail.com').
+
+%% API
+-export([compile_templates/0,
+ render_html/0]).
+
+%%====================================================================
+%% API
+%%====================================================================
+%%--------------------------------------------------------------------
+%% @spec () -> any()
+%% @doc compiles the templates to beam files
+%% @end
+%%--------------------------------------------------------------------
+compile_templates() ->
+ DocRoot = filename:join([filename:dirname(code:which(?MODULE)),"..", "demo", "templates"]),
+ filelib:fold_files(DocRoot,
+ "\.",
+ true,
+ fun(Path, _Acc) ->
+ Name = filename:rootname(filename:basename(Path)),
+ erlydtl_api:compile(Path, Name, Name, DocRoot)
+ end,
+ []).
+
+
+%%--------------------------------------------------------------------
+%% @spec () -> any()
+%% @doc renders the templete to a file
+%% @end
+%%--------------------------------------------------------------------
+render_html() ->
+ OutDir = filename:join([filename:dirname(code:which(?MODULE)),"..", "demo", "out"]),
+ render(OutDir, test_variable, ".html", "foostring"),
+ render(OutDir, test_extend, ".html", "blastring"),
+ render(OutDir, test_comment, ".html").
+
+
+%%====================================================================
+%% Internal functions
+%%====================================================================
+
+render(OutDir, Name, Ext, Var) ->
+ case catch Name:Name(Var) of
+ {'EXIT', Reason} ->
+ io:format("TRACE ~p:~p ~p: rendering failure: ~n",[?MODULE, ?LINE, Reason]);
+ Val ->
+ case file:open(filename:join([OutDir, lists:concat([Name, Ext])]), [write]) of
+ {ok, IoDev} ->
+ file:write(IoDev, Val),
+ file:close(IoDev),
+ io:format("TRACE ~p:~p ~p: success~n",[?MODULE, ?LINE, Name]);
+ _ ->
+ io:format("TRACE ~p:~p ~p: file write failure~n",[?MODULE, ?LINE, Name])
+ end
+ end.
+
+render(OutDir, Name, Ext) ->
+ case catch Name:Name() of
+ {'EXIT', Reason} ->
+ io:format("TRACE ~p:~p ~p: rendering failure: ~n",[?MODULE, ?LINE, Reason]);
+ Val ->
+ case file:open(filename:join([OutDir, lists:concat([Name, Ext])]), [write]) of
+ {ok, IoDev} ->
+ file:write(IoDev, Val),
+ file:close(IoDev),
+ io:format("TRACE ~p:~p ~p: success~n",[?MODULE, ?LINE, Name]);
+ _ ->
+ io:format("TRACE ~p:~p ~p: file write failure~n",[?MODULE, ?LINE, Name])
+ end
+ end.
@@ -0,0 +1,175 @@
+%%%-------------------------------------------------------------------
+%%% File: erlydtl_api.erl
+%%% @author Roberto Saccon <rsaccon@gmail.com> [http://rsaccon.com]
+%%% @copyright 2007 Roberto Saccon
+%%% @doc
+%%% API for compiling ErlyDTL templeates
+%%% @end
+%%%
+%%% The MIT License
+%%%
+%%% Copyright (c) 2007 Roberto Saccon
+%%%
+%%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%%% of this software and associated documentation files (the "Software"), to deal
+%%% in the Software without restriction, including without limitation the rights
+%%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%%% copies of the Software, and to permit persons to whom the Software is
+%%% furnished to do so, subject to the following conditions:
+%%%
+%%% The above copyright notice and this permission notice shall be included in
+%%% all copies or substantial portions of the Software.
+%%%
+%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+%%% THE SOFTWARE.
+%%%
+%%% @since 2007-11-17 by Roberto Saccon
+%%%-------------------------------------------------------------------
+-module(erlydtl_api).
+-author('rsaccon@gmail.com').
+
+%% API
+-export([compile/4]).
+
+
+%%--------------------------------------------------------------------
+%% @spec (File:string(), ModuleName:string(), FunctionName:atom(), DocRoot:string()) ->
+%% {Ok::atom, Ast::tuple() | {Error::atom(), Msg:string()}
+%% @doc compiles a template to a beam file
+%% @end
+%%--------------------------------------------------------------------
+compile(File, ModuleName, FunctionName, DocRoot) ->
+ case parse(File) of
+ {ok, Ast} ->
+ RelDir = rel_dir(filename:dirname(File), DocRoot),
+ compile_reload(Ast, ModuleName, FunctionName, RelDir);
+ {error, Msg} = Err ->
+ io:format("TRACE ~p:~p ~p~n",[?MODULE, ?LINE, File ++ " Parser failure:"]),
+ io:format("TRACE ~p:~p ~p~n",[?MODULE, ?LINE, Msg]),
+ Err
+ end.
+
+
+%%====================================================================
+%% Internal functions
+%%====================================================================
+
+rel_dir(Dir, DocRoot) when Dir =:= DocRoot ->
+ DocRoot;
+rel_dir(Dir, DocRoot) ->
+ RelFile = string:substr(Dir, length(DocRoot)+2),
+ filename:join([DocRoot, RelFile]).
+
+
+parse(File) ->
+ case file:read_file(File) of
+ {ok, B} ->
+ case erlydtl_scanner:scan(binary_to_list(B)) of
+ {ok, Tokens} ->
+ erlydtl_parser:parse(Tokens);
+ Err ->
+ io:format("TRACE ~p:~p ~p~n",[?MODULE, ?LINE, File ++ " Scanner failure:"]),
+ io:format("TRACE ~p:~p ~p~n",[?MODULE, ?LINE, Err]),
+ Err
+ end;
+ Err ->
+ io:format("TRACE ~p:~p ~p~n",[?MODULE, ?LINE, "File read error"]),
+ Err
+ end.
+
+
+compile_reload([H | T], ModuleName, FunctionName, RelDir) ->
+ {List, Args} = case transl(H, T, [], [], RelDir) of
+ {regular, List0, Args0} ->
+ {[inplace_block(X) || X <- List0], Args0};
+ {inherited, List0, Arg0} ->
+ {List0, Arg0}
+ end,
+ Args2 = lists:reverse([{var, 1, Val} || {Val, _} <- Args]),
+ Cons = list_fold(lists:reverse(List)),
+ Ast2 = {function, 1, list_to_atom(FunctionName), length(Args2),
+ [{clause, 1, Args2, [], [Cons]}]},
+ Ac = erlydtl_tools:create_module(Ast2 , ModuleName),
+ case compile:forms(Ac) of
+ {ok, Module, Bin} ->
+ case erlydtl_tools:reload(Module, Bin) of
+ ok ->
+ erlydtl_tools:write_beam(Module, Bin, "ebin");
+ _ ->
+ {error, "reload failed"}
+ end;
+ _ ->
+ {error, "compilation failed"}
+ end.
+
+
+list_fold([E]) ->
+ E;
+list_fold([E1, E2]) ->
+ {cons, 1, E2, E1};
+list_fold([E1, E2 | Tail]) ->
+ lists:foldl(fun(X, T) ->
+ {cons, 1, X, T}
+ end, {cons, 1, E2, E1}, Tail).
+
+
+transl(nil, [{extends, _, Name}], Out, Args, RelDir) ->
+ case parse(filename:join([RelDir, Name])) of
+ {ok, ParentAst} ->
+ [H|T]=ParentAst,
+ {_, List, Args1} = transl(H, T, [], [], RelDir),
+ {inherited, [replace_block(X, Out) || X <- List], Args1};
+ {error, Msg} ->
+ io:format("TRACE ~p:~p ~p~n",[?MODULE, ?LINE, Msg]),
+ io:format("TRACE ~p:~p Parent Parser failure: ~p~n",[?MODULE, ?LINE, Name]),
+ {regular, Out, Args}
+ end;
+
+transl(nil, [{var, L, Val}], Out, Args, _) ->
+ case lists:keysearch(Val, 2, Args) of
+ false ->
+ Key = list_to_atom(lists:concat(["A", length(Args) + 1])),
+ {regular, [{var, L, Key} | Out], [{Key, Val} | Args]};
+ {value, {Key, _}} ->
+ {regular, [{var, L, Key} | Out], Args}
+ end;
+
+transl(nil, [Token], Out, Args, _) ->
+ {regular, [Token | Out], Args};
+
+transl([H | T], [{var, L, Val}], Out, Args, DocRoot) ->
+ case lists:keysearch(Val, 2, Args) of
+ false ->
+ Key = list_to_atom(lists:concat(["A", length(Args) + 1])),
+ transl(H, T, [{var, L, Key} | Out], [{Key, Val} | Args], DocRoot);
+ {value, {Key, _}} ->
+ transl(H, T, [{var, L, Key} | Out], Args, DocRoot)
+ end;
+
+transl([H | T], [Token], Out, Args, DocRoot) ->
+ transl(H, T, [Token | Out], Args, DocRoot).
+
+
+replace_block({block, Name, [nil, Str1]}, List) ->
+ case lists:keysearch(Name, 2, List) of
+ false ->
+ Str1;
+ {value, {_, _, [nil, Str2]}} ->
+ Str2
+ end;
+replace_block(Other, _) ->
+ Other.
+
+
+inplace_block({block, _, [nil, Str]}) ->
+ Str;
+inplace_block(Other) ->
+ Other.
+
+
+
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