1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "gin/modules/file_module_provider.h"
8 #include "base/file_util.h"
9 #include "base/message_loop/message_loop.h"
10 #include "base/strings/string_split.h"
11 #include "gin/converter.h"
17 void AttempToLoadModule(const base::WeakPtr<Runner>& runner,
18 const std::vector<base::FilePath>& search_paths,
19 const std::string& id) {
23 std::vector<std::string> components;
24 base::SplitString(id, '/', &components);
27 for (size_t i = 0; i < components.size(); ++i) {
28 // TODO(abarth): Technically the path components can be UTF-8. We don't
29 // handle that case correctly yet.
30 path = path.AppendASCII(components[i]);
32 path = path.AddExtension(FILE_PATH_LITERAL("js"));
34 for (size_t i = 0; i < search_paths.size(); ++i) {
36 if (!ReadFileToString(search_paths[i].Append(path), &source))
39 Runner::Scope scope(runner.get());
40 runner->Run(source, id);
43 LOG(ERROR) << "Failed to load module from disk: " << id;
48 FileModuleProvider::FileModuleProvider(
49 const std::vector<base::FilePath>& search_paths)
50 : search_paths_(search_paths) {
53 FileModuleProvider::~FileModuleProvider() {
56 void FileModuleProvider::AttempToLoadModules(
57 Runner* runner, const std::set<std::string>& ids) {
58 std::set<std::string> modules = ids;
59 for (std::set<std::string>::const_iterator it = modules.begin();
60 it != modules.end(); ++it) {
61 const std::string& id = *it;
62 if (attempted_ids_.count(id))
64 attempted_ids_.insert(id);
65 base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
66 AttempToLoadModule, runner->GetWeakPtr(), search_paths_, id));