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-rw-r--r--src/rebar_erlydtl_compiler.erl103
1 files changed, 79 insertions, 24 deletions
diff --git a/src/rebar_erlydtl_compiler.erl b/src/rebar_erlydtl_compiler.erl
index 12077f2..23ea41c 100644
--- a/src/rebar_erlydtl_compiler.erl
+++ b/src/rebar_erlydtl_compiler.erl
@@ -31,7 +31,11 @@
%% to ebin/*_dtl.beam.
%%
%% Configuration options should be placed in rebar.config under
-%% 'erlydtl_opts'. Available options include:
+%% 'erlydtl_opts'. It can be a list of name-value tuples or a list of
+%% lists of name-value tuples if you have multiple template directories
+%% that need to have different settings (see example below).
+%%
+%% Available options include:
%%
%% doc_root: where to find templates to compile
%% "templates" by default
@@ -45,6 +49,9 @@
%% module_ext: characters to append to the template's module name
%% "_dtl" by default
%%
+%% recursive: boolean that determines if doc_root(s) need to be
+%% scanned recursively for matching template file names
+%% (default: true).
%% For example, if you had:
%% /t_src/
%% base.html
@@ -70,6 +77,21 @@
%% {source_ext, ".dtl"},
%% {module_ext, "_dtl"}
%% ]}.
+%%
+%% The following example will compile the following templates:
+%% "src/*.dtl" files into "ebin/*_dtl.beam" and
+%% "templates/*.html" into "ebin/*.beam". Note that any tuple option
+%% (such as 'out_dir') in the outer list is added to each inner list:
+%% {erlydtl_opts, [
+%% {out_dir, "ebin"},
+%% {recursive, false},
+%% [
+%% {doc_root, "src"}, {module_ext, "_dtl"}
+%% ],
+%% [
+%% {doc_root, "templates", {module_ext, ""}, {source_ext, ".html"}
+%% ]
+%% ]}.
-module(rebar_erlydtl_compiler).
-export([compile/2]).
@@ -81,16 +103,23 @@
%% ===================================================================
compile(Config, _AppFile) ->
- DtlOpts = erlydtl_opts(Config),
+ MultiDtlOpts = erlydtl_opts(Config),
OrigPath = code:get_path(),
true = code:add_path(rebar_utils:ebin_dir()),
- Result = rebar_base_compiler:run(Config, [],
+
+ Result = lists:foldl(fun(DtlOpts, _) ->
+ rebar_base_compiler:run(Config, [],
option(doc_root, DtlOpts),
option(source_ext, DtlOpts),
option(out_dir, DtlOpts),
option(module_ext, DtlOpts) ++ ".beam",
- fun compile_dtl/3,
- [{check_last_mod, false}]),
+ fun(S, T, _C) ->
+ compile_dtl(S, T, DtlOpts)
+ end,
+ [{check_last_mod, false},
+ {recursive, option(recursive, DtlOpts)}])
+ end, ok, MultiDtlOpts),
+
true = code:set_path(OrigPath),
Result.
@@ -100,7 +129,18 @@ compile(Config, _AppFile) ->
%% ===================================================================
erlydtl_opts(Config) ->
- rebar_config:get(Config, erlydtl_opts, []).
+ Opts = rebar_config:get(Config, erlydtl_opts, []),
+ Tuples = [{K,V} || {K,V} <- Opts],
+ case [L || L <- Opts, is_list(L), not io_lib:printable_list(L)] of
+ [] ->
+ lists:keysort(1, [Tuples]);
+ Lists ->
+ lists:map(fun(L) ->
+ lists:keysort(1, lists:foldl(fun({K,T}, Acc) ->
+ lists:keystore(K, 1, Acc, {K, T})
+ end, Tuples, L))
+ end, Lists)
+ end.
option(Opt, DtlOpts) ->
proplists:get_value(Opt, DtlOpts, default(Opt)).
@@ -109,9 +149,11 @@ default(doc_root) -> "templates";
default(out_dir) -> "ebin";
default(source_ext) -> ".dtl";
default(module_ext) -> "_dtl";
-default(custom_tags_dir) -> "".
+default(custom_tags_dir) -> "";
+default(compiler_options) -> [report, return];
+default(recursive) -> true.
-compile_dtl(Source, Target, Config) ->
+compile_dtl(Source, Target, DtlOpts) ->
case code:which(erlydtl) of
non_existing ->
?ERROR("~n===============================================~n"
@@ -122,50 +164,62 @@ compile_dtl(Source, Target, Config) ->
"===============================================~n~n", []),
?FAIL;
_ ->
- case needs_compile(Source, Target, Config) of
+ case needs_compile(Source, Target, DtlOpts) of
true ->
- do_compile(Source, Target, Config);
+ do_compile(Source, Target, DtlOpts);
false ->
skipped
end
end.
-do_compile(Source, Target, Config) ->
+do_compile(Source, Target, DtlOpts) ->
%% TODO: Check last mod on target and referenced DTLs here..
- DtlOpts = erlydtl_opts(Config),
+
%% ensure that doc_root and out_dir are defined,
%% using defaults if necessary
- Opts = [{out_dir, option(out_dir, DtlOpts)},
- {doc_root, option(doc_root, DtlOpts)},
- {custom_tags_dir, option(custom_tags_dir, DtlOpts)},
- report, return],
+ Opts = lists:ukeymerge(1,
+ DtlOpts,
+ lists:sort(
+ [{out_dir, option(out_dir, DtlOpts)},
+ {doc_root, option(doc_root, DtlOpts)},
+ {custom_tags_dir, option(custom_tags_dir, DtlOpts)},
+ {compiler_options, option(compiler_options, DtlOpts)}])),
+ ?INFO("Compiling \"~s\" -> \"~s\" with options:~n ~s~n",
+ [Source, Target, io_lib:format("~p", [Opts])]),
case erlydtl:compile(Source,
module_name(Target),
- Opts++DtlOpts) of
+ Opts) of
ok -> ok;
+ {error, {File, [{Pos, _Mod, Err}]}} ->
+ ?ERROR("Compiling template ~p failed:~n (~s): ~p~n",
+ [File, err_location(Pos), Err]);
Reason ->
?ERROR("Compiling template ~s failed:~n ~p~n",
[Source, Reason]),
?FAIL
end.
+err_location({L,C}) -> io_lib:format("line:~w, col:~w", [L, C]);
+err_location(L) -> io_lib:format("line:~w", [L]).
+
module_name(Target) ->
F = filename:basename(Target),
string:substr(F, 1, length(F)-length(".beam")).
-needs_compile(Source, Target, Config) ->
+needs_compile(Source, Target, DtlOpts) ->
LM = filelib:last_modified(Target),
LM < filelib:last_modified(Source) orelse
lists:any(fun(D) -> LM < filelib:last_modified(D) end,
- referenced_dtls(Source, Config)).
+ referenced_dtls(Source, DtlOpts)).
-referenced_dtls(Source, Config) ->
- Set = referenced_dtls1([Source], Config,
+referenced_dtls(Source, DtlOpts) ->
+ DtlOpts1 = lists:keyreplace(doc_root, 1, DtlOpts,
+ {doc_root, filename:dirname(Source)}),
+ Set = referenced_dtls1([Source], DtlOpts1,
sets:add_element(Source, sets:new())),
sets:to_list(sets:del_element(Source, Set)).
-referenced_dtls1(Step, Config, Seen) ->
- DtlOpts = erlydtl_opts(Config),
+referenced_dtls1(Step, DtlOpts, Seen) ->
ExtMatch = re:replace(option(source_ext, DtlOpts), "\.", "\\\\\\\\.",
[{return, list}]),
@@ -184,10 +238,11 @@ referenced_dtls1(Step, Config, Seen) ->
end || F <- Step]),
DocRoot = option(doc_root, DtlOpts),
WithPaths = [ filename:join([DocRoot, F]) || F <- AllRefs ],
+ ?DEBUG("All deps: ~p\n", [WithPaths]),
Existing = [F || F <- WithPaths, filelib:is_regular(F)],
New = sets:subtract(sets:from_list(Existing), Seen),
case sets:size(New) of
0 -> Seen;
- _ -> referenced_dtls1(sets:to_list(New), Config,
+ _ -> referenced_dtls1(sets:to_list(New), DtlOpts,
sets:union(New, Seen))
end.
generated by cgit v1.1 at 2024-10-30 23:33:11 +0000