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-rw-r--r--src/rebar_mustache.erl230
-rw-r--r--src/rebar_prv_new.erl69
-rw-r--r--src/rebar_prv_update.erl14
-rw-r--r--src/rebar_templater.erl71
4 files changed, 323 insertions, 61 deletions
diff --git a/src/rebar_mustache.erl b/src/rebar_mustache.erl
new file mode 100644
index 0000000..9016c0f
--- /dev/null
+++ b/src/rebar_mustache.erl
@@ -0,0 +1,230 @@
+%% The MIT License
+%%
+%% Copyright (c) 2009 Tom Preston-Werner <tom@mojombo.com>
+%%
+%% 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.
+
+%% See the README at http://github.com/mojombo/mustache.erl for additional
+%% documentation and usage examples.
+
+-module(rebar_mustache). %% v0.1.0
+-author("Tom Preston-Werner").
+-export([compile/1, compile/2, render/1, render/2, render/3, get/2, get/3, escape/1, start/1]).
+
+-record(mstate, {mod = undefined,
+ section_re = undefined,
+ tag_re = undefined}).
+
+-define(MUSTACHE_STR, "rebar_mustache").
+
+compile(Body) when is_list(Body) ->
+ State = #mstate{},
+ CompiledTemplate = pre_compile(Body, State),
+ % io:format("~p~n~n", [CompiledTemplate]),
+ % io:format(CompiledTemplate ++ "~n", []),
+ {ok, Tokens, _} = erl_scan:string(CompiledTemplate),
+ {ok, [Form]} = erl_parse:parse_exprs(Tokens),
+ Bindings = erl_eval:new_bindings(),
+ {value, Fun, _} = erl_eval:expr(Form, Bindings),
+ Fun;
+compile(Mod) ->
+ TemplatePath = template_path(Mod),
+ compile(Mod, TemplatePath).
+
+compile(Mod, File) ->
+ code:purge(Mod),
+ {module, _} = code:load_file(Mod),
+ {ok, TemplateBin} = file:read_file(File),
+ Template = re:replace(TemplateBin, "\"", "\\\\\"", [global, {return,list}]),
+ State = #mstate{mod = Mod},
+ CompiledTemplate = pre_compile(Template, State),
+ % io:format("~p~n~n", [CompiledTemplate]),
+ % io:format(CompiledTemplate ++ "~n", []),
+ {ok, Tokens, _} = erl_scan:string(CompiledTemplate),
+ {ok, [Form]} = erl_parse:parse_exprs(Tokens),
+ Bindings = erl_eval:new_bindings(),
+ {value, Fun, _} = erl_eval:expr(Form, Bindings),
+ Fun.
+
+render(Mod) ->
+ TemplatePath = template_path(Mod),
+ render(Mod, TemplatePath).
+
+render(Body, Ctx) when is_list(Body) ->
+ TFun = compile(Body),
+ render(undefined, TFun, Ctx);
+render(Mod, File) when is_list(File) ->
+ render(Mod, File, dict:new());
+render(Mod, CompiledTemplate) ->
+ render(Mod, CompiledTemplate, dict:new()).
+
+render(Mod, File, Ctx) when is_list(File) ->
+ CompiledTemplate = compile(Mod, File),
+ render(Mod, CompiledTemplate, Ctx);
+render(Mod, CompiledTemplate, Ctx) ->
+ Ctx2 = dict:store('__mod__', Mod, Ctx),
+ lists:flatten(CompiledTemplate(Ctx2)).
+
+pre_compile(T, State) ->
+ SectionRE = "\{\{\#([^\}]*)}}\s*(.+?){{\/\\1\}\}\s*",
+ {ok, CompiledSectionRE} = re:compile(SectionRE, [dotall]),
+ TagRE = "\{\{(#|=|!|<|>|\{)?(.+?)\\1?\}\}+",
+ {ok, CompiledTagRE} = re:compile(TagRE, [dotall]),
+ State2 = State#mstate{section_re = CompiledSectionRE, tag_re = CompiledTagRE},
+ "fun(Ctx) -> " ++
+ "CFun = fun(A, B) -> A end, " ++
+ compiler(T, State2) ++ " end.".
+
+compiler(T, State) ->
+ Res = re:run(T, State#mstate.section_re),
+ case Res of
+ {match, [{M0, M1}, {N0, N1}, {C0, C1}]} ->
+ Front = string:substr(T, 1, M0),
+ Back = string:substr(T, M0 + M1 + 1),
+ Name = string:substr(T, N0 + 1, N1),
+ Content = string:substr(T, C0 + 1, C1),
+ "[" ++ compile_tags(Front, State) ++
+ " | [" ++ compile_section(Name, Content, State) ++
+ " | [" ++ compiler(Back, State) ++ "]]]";
+ nomatch ->
+ compile_tags(T, State)
+ end.
+
+compile_section(Name, Content, State) ->
+ Mod = State#mstate.mod,
+ Result = compiler(Content, State),
+ "fun() -> " ++
+ "case " ++ ?MUSTACHE_STR ++ ":get(" ++ Name ++ ", Ctx, " ++ atom_to_list(Mod) ++ ") of " ++
+ "\"true\" -> " ++
+ Result ++ "; " ++
+ "\"false\" -> " ++
+ "[]; " ++
+ "List when is_list(List) -> " ++
+ "[fun(Ctx) -> " ++ Result ++ " end(dict:merge(CFun, SubCtx, Ctx)) || SubCtx <- List]; " ++
+ "Else -> " ++
+ "throw({template, io_lib:format(\"Bad context for ~p: ~p\", [" ++ Name ++ ", Else])}) " ++
+ "end " ++
+ "end()".
+
+compile_tags(T, State) ->
+ Res = re:run(T, State#mstate.tag_re),
+ case Res of
+ {match, [{M0, M1}, K, {C0, C1}]} ->
+ Front = string:substr(T, 1, M0),
+ Back = string:substr(T, M0 + M1 + 1),
+ Content = string:substr(T, C0 + 1, C1),
+ Kind = tag_kind(T, K),
+ Result = compile_tag(Kind, Content, State),
+ "[\"" ++ Front ++
+ "\" | [" ++ Result ++
+ " | " ++ compile_tags(Back, State) ++ "]]";
+ nomatch ->
+ "[\"" ++ T ++ "\"]"
+ end.
+
+tag_kind(_T, {-1, 0}) ->
+ none;
+tag_kind(T, {K0, K1}) ->
+ string:substr(T, K0 + 1, K1).
+
+compile_tag(none, Content, State) ->
+ Mod = State#mstate.mod,
+ ?MUSTACHE_STR ++ ":escape(" ++ ?MUSTACHE_STR ++ ":get(" ++ Content ++ ", Ctx, " ++ atom_to_list(Mod) ++ "))";
+compile_tag("{", Content, State) ->
+ Mod = State#mstate.mod,
+ ?MUSTACHE_STR ++ ":get(" ++ Content ++ ", Ctx, " ++ atom_to_list(Mod) ++ ")";
+compile_tag("!", _Content, _State) ->
+ "[]".
+
+template_dir(Mod) ->
+ DefaultDirPath = filename:dirname(code:which(Mod)),
+ case application:get_env(mustache, templates_dir) of
+ {ok, DirPath} when is_list(DirPath) ->
+ case filelib:ensure_dir(DirPath) of
+ ok -> DirPath;
+ _ -> DefaultDirPath
+ end;
+ _ ->
+ DefaultDirPath
+ end.
+template_path(Mod) ->
+ DirPath = template_dir(Mod),
+ Basename = atom_to_list(Mod),
+ filename:join(DirPath, Basename ++ ".mustache").
+
+get(Key, Ctx) when is_list(Key) ->
+ {ok, Mod} = dict:find('__mod__', Ctx),
+ get(list_to_atom(Key), Ctx, Mod);
+get(Key, Ctx) ->
+ {ok, Mod} = dict:find('__mod__', Ctx),
+ get(Key, Ctx, Mod).
+
+get(Key, Ctx, Mod) when is_list(Key) ->
+ get(list_to_atom(Key), Ctx, Mod);
+get(Key, Ctx, Mod) ->
+ case dict:find(Key, Ctx) of
+ {ok, Val} ->
+ % io:format("From Ctx {~p, ~p}~n", [Key, Val]),
+ to_s(Val);
+ error ->
+ case erlang:function_exported(Mod, Key, 1) of
+ true ->
+ Val = to_s(Mod:Key(Ctx)),
+ % io:format("From Mod/1 {~p, ~p}~n", [Key, Val]),
+ Val;
+ false ->
+ case erlang:function_exported(Mod, Key, 0) of
+ true ->
+ Val = to_s(Mod:Key()),
+ % io:format("From Mod/0 {~p, ~p}~n", [Key, Val]),
+ Val;
+ false ->
+ []
+ end
+ end
+ end.
+
+to_s(Val) when is_integer(Val) ->
+ integer_to_list(Val);
+to_s(Val) when is_float(Val) ->
+ io_lib:format("~.2f", [Val]);
+to_s(Val) when is_atom(Val) ->
+ atom_to_list(Val);
+to_s(Val) ->
+ Val.
+
+escape(HTML) ->
+ escape(HTML, []).
+
+escape([], Acc) ->
+ lists:reverse(Acc);
+escape(["<" | Rest], Acc) ->
+ escape(Rest, lists:reverse("&lt;", Acc));
+escape([">" | Rest], Acc) ->
+ escape(Rest, lists:reverse("&gt;", Acc));
+escape(["&" | Rest], Acc) ->
+ escape(Rest, lists:reverse("&amp;", Acc));
+escape([X | Rest], Acc) ->
+ escape(Rest, [X | Acc]).
+
+%%---------------------------------------------------------------------------
+
+start([T]) ->
+ Out = render(list_to_atom(T)),
+ io:format(Out ++ "~n", []).
diff --git a/src/rebar_prv_new.erl b/src/rebar_prv_new.erl
new file mode 100644
index 0000000..e5233cd
--- /dev/null
+++ b/src/rebar_prv_new.erl
@@ -0,0 +1,69 @@
+-module(rebar_prv_new).
+
+-behaviour(rebar_provider).
+
+-export([init/1,
+ do/1]).
+
+-include("rebar.hrl").
+
+-define(PROVIDER, new).
+-define(DEPS, []).
+
+%% ===================================================================
+%% Public API
+%% ===================================================================
+
+-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
+init(State) ->
+ State1 = rebar_state:add_provider(State, #provider{name = ?PROVIDER,
+ provider_impl = ?MODULE,
+ bare = false,
+ deps = ?DEPS,
+ example = "rebar new <template>",
+ short_desc = "",
+ desc = info(create),
+ opts = []}),
+ {ok, State1}.
+
+-spec do(rebar_state:t()) -> {ok, rebar_state:t()}.
+do(State) ->
+ case rebar_state:command_args(State) of
+ [TemplateName] ->
+ Template = list_to_atom(TemplateName),
+ rebar_templater:new(Template, State),
+ {ok, State};
+ [] ->
+ {ok, State}
+ end.
+
+%% ===================================================================
+%% Internal functions
+%% ===================================================================
+
+info(create) ->
+ io_lib:format(
+ "Create skel based on template and vars.~n"
+ "~n"
+ "Valid command line options:~n"
+ " template= [var=foo,...]~n", []);
+info(create_app) ->
+ io_lib:format(
+ "Create simple app skel.~n"
+ "~n"
+ "Valid command line options:~n"
+ " [appid=myapp]~n", []);
+info(create_lib) ->
+ io_lib:format(
+ "Create simple lib skel.~n"
+ "~n"
+ "Valid command line options:~n"
+ " [libid=mylib]~n", []);
+info(create_node) ->
+ io_lib:format(
+ "Create simple node skel.~n"
+ "~n"
+ "Valid command line options:~n"
+ " [nodeid=mynode]~n", []);
+info(list_templates) ->
+ io_lib:format("List available templates.~n", []).
diff --git a/src/rebar_prv_update.erl b/src/rebar_prv_update.erl
index a12f5b0..c1aa14b 100644
--- a/src/rebar_prv_update.erl
+++ b/src/rebar_prv_update.erl
@@ -20,13 +20,13 @@
-spec init(rebar_state:t()) -> {ok, rebar_state:t()}.
init(State) ->
State1 = rebar_state:add_provider(State, #provider{name = ?PROVIDER,
- provider_impl = ?MODULE,
- bare = false,
- deps = ?DEPS,
- example = "rebar update cowboy",
- short_desc = "",
- desc = "",
- opts = []}),
+ provider_impl = ?MODULE,
+ bare = false,
+ deps = ?DEPS,
+ example = "rebar update cowboy",
+ short_desc = "",
+ desc = "",
+ opts = []}),
{ok, State1}.
-spec do(rebar_state:t()) -> {ok, rebar_state:t()} | relx:error().
diff --git a/src/rebar_templater.erl b/src/rebar_templater.erl
index dd89f3a..f22329b 100644
--- a/src/rebar_templater.erl
+++ b/src/rebar_templater.erl
@@ -26,19 +26,14 @@
%% -------------------------------------------------------------------
-module(rebar_templater).
--export(['create-app'/2,
- 'create-lib'/2,
- 'create-node'/2,
- 'list-templates'/2,
- create/2]).
+-export([new/2,
+ list_templates/1,
+ create/1]).
%% API for other utilities that need templating functionality
-export([resolve_variables/2,
render/2]).
-%% for internal use only
--export([info/2]).
-
-include("rebar.hrl").
-define(TEMPLATE_RE, "^[^._].*\\.template\$").
@@ -47,19 +42,15 @@
%% Public API
%% ===================================================================
-'create-app'(Config, _File) ->
- %% Alias for create w/ template=simpleapp
- create1(Config, "simpleapp").
-
-'create-lib'(Config, _File) ->
- %% Alias for create w/ template=simplelib
- create1(Config, "simplelib").
-
-'create-node'(Config, _File) ->
+new(app, Config) ->
+ create1(Config, "simpleapp");
+new(lib, Config) ->
+ create1(Config, "simplelib");
+new(node, Config) ->
%% Alias for create w/ template=simplenode
create1(Config, "simplenode").
-'list-templates'(Config, _File) ->
+list_templates(Config) ->
{AvailTemplates, Files} = find_templates(Config),
?DEBUG("Available templates: ~p\n", [AvailTemplates]),
@@ -76,7 +67,7 @@
end, AvailTemplates),
ok.
-create(Config, _) ->
+create(Config) ->
TemplateId = template_id(Config),
create1(Config, TemplateId).
@@ -109,33 +100,6 @@ render(Bin, Context) ->
%% Internal functions
%% ===================================================================
-info(help, create) ->
- ?CONSOLE(
- "Create skel based on template and vars.~n"
- "~n"
- "Valid command line options:~n"
- " template= [var=foo,...]~n", []);
-info(help, 'create-app') ->
- ?CONSOLE(
- "Create simple app skel.~n"
- "~n"
- "Valid command line options:~n"
- " [appid=myapp]~n", []);
-info(help, 'create-lib') ->
- ?CONSOLE(
- "Create simple lib skel.~n"
- "~n"
- "Valid command line options:~n"
- " [libid=mylib]~n", []);
-info(help, 'create-node') ->
- ?CONSOLE(
- "Create simple node skel.~n"
- "~n"
- "Valid command line options:~n"
- " [nodeid=mynode]~n", []);
-info(help, 'list-templates') ->
- ?CONSOLE("List available templates.~n", []).
-
create1(Config, TemplateId) ->
{AvailTemplates, Files} = find_templates(Config),
?DEBUG("Available templates: ~p\n", [AvailTemplates]),
@@ -168,7 +132,7 @@ create1(Config, TemplateId) ->
end,
%% Load variables from disk file, if provided
- Context1 = case rebar_config:get_global(Config, template_vars, undefined) of
+ Context1 = case rebar_state:get(Config, template_vars, undefined) of
undefined ->
Context0;
File ->
@@ -201,7 +165,7 @@ create1(Config, TemplateId) ->
?DEBUG("Final template def ~p: ~p\n", [TemplateId, FinalTemplate]),
%% Execute the instructions in the finalized template
- Force = rebar_config:get_global(Config, force, "0"),
+ Force = rebar_state:get(Config, force, "0"),
execute_template(Files, FinalTemplate, Type, Template, Context, Force, []).
find_templates(Config) ->
@@ -224,11 +188,11 @@ cache_escript_files(Config) ->
fun(Name, _, GetBin, Acc) ->
[{Name, GetBin()} | Acc]
end,
- [], rebar_config:get_xconf(Config, escript)),
+ [], rebar_state:get(Config, escript)),
Files.
template_id(Config) ->
- case rebar_config:get_global(Config, template, undefined) of
+ case rebar_state:get(Config, template, undefined) of
undefined ->
?ABORT("No template specified.\n", []);
TemplateId ->
@@ -245,12 +209,11 @@ find_disk_templates(Config) ->
HomeFiles = rebar_utils:find_files(filename:join([os:getenv("HOME"),
".rebar", "templates"]),
?TEMPLATE_RE),
- Recursive = rebar_config:is_recursive(Config),
- LocalFiles = rebar_utils:find_files(".", ?TEMPLATE_RE, Recursive),
+ LocalFiles = rebar_utils:find_files(".", ?TEMPLATE_RE, true),
[{file, F} || F <- OtherTemplates ++ HomeFiles ++ LocalFiles].
find_other_templates(Config) ->
- case rebar_config:get_global(Config, template_dir, undefined) of
+ case rebar_state:get(Config, template_dir, undefined) of
undefined ->
[];
TemplateDir ->
@@ -296,7 +259,7 @@ parse_vars(Other, _Dict) ->
update_vars(_Config, [], Dict) ->
Dict;
update_vars(Config, [Key | Rest], Dict) ->
- Value = rebar_config:get_global(Config, Key, dict:fetch(Key, Dict)),
+ Value = rebar_state:get(Config, Key, dict:fetch(Key, Dict)),
update_vars(Config, Rest, dict:store(Key, Value, Dict)).
generated by cgit v1.1 at 2024-12-26 04:47:03 +0000