Index: mojo/tools/package_manager/manifest.cc |
diff --git a/mojo/tools/package_manager/manifest.cc b/mojo/tools/package_manager/manifest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5a0e346bbdf822d1f7f4aba05ec119740861cb9c |
--- /dev/null |
+++ b/mojo/tools/package_manager/manifest.cc |
@@ -0,0 +1,83 @@ |
+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "mojo/tools/package_manager/manifest.h" |
+ |
+#include "base/files/file_util.h" |
+#include "base/json/json_reader.h" |
+#include "base/values.h" |
+#include "url/gurl.h" |
+ |
+namespace mojo { |
+ |
+Manifest::Manifest() { |
+} |
+ |
+Manifest::~Manifest() { |
+} |
+ |
+bool Manifest::Parse(const std::string& str, std::string* err_msg) { |
+ int err_code = base::JSONReader::JSON_NO_ERROR; |
+ scoped_ptr<base::Value> root(base::JSONReader::ReadAndReturnError( |
+ str, |
+ base::JSON_ALLOW_TRAILING_COMMAS, |
+ &err_code, err_msg)); |
+ if (err_code != base::JSONReader::JSON_NO_ERROR) |
+ return false; |
+ |
+ const base::DictionaryValue* root_dict; |
+ if (!root->GetAsDictionary(&root_dict)) { |
+ *err_msg = "Manifest is not a dictionary."; |
+ return false; |
+ } |
+ |
+ if (!PopulateDeps(root_dict, err_msg)) |
+ return false; |
+ |
+ return true; |
+} |
+ |
+bool Manifest::ParseFromFile(const base::FilePath& file_name, |
+ std::string* err_msg) { |
+ std::string data; |
+ if (!base::ReadFileToString(file_name, &data)) { |
+ *err_msg = "Couldn't read manifest file " + file_name.AsUTF8Unsafe(); |
+ return false; |
+ } |
+ return Parse(data, err_msg); |
+} |
+ |
+bool Manifest::PopulateDeps(const base::DictionaryValue* root, |
+ std::string* err_msg) { |
+ const base::Value* deps_value; |
+ if (!root->Get("deps", &deps_value)) |
+ return true; // No deps, that's OK. |
+ |
+ const base::ListValue* deps; |
+ if (!deps_value->GetAsList(&deps)) { |
+ *err_msg = "Deps is not a list. Should be \"deps\": [ \"...\", \"...\" ]"; |
+ return false; |
+ } |
+ |
+ deps_.reserve(deps->GetSize()); |
+ for (size_t i = 0; i < deps->GetSize(); i++) { |
+ std::string cur_dep; |
+ if (!deps->GetString(i, &cur_dep)) { |
+ *err_msg = "Dependency list item wasn't a string."; |
+ return false; |
+ } |
+ |
+ GURL cur_url(cur_dep); |
+ if (!cur_url.is_valid()) { |
+ *err_msg = "Dependency entry isn't a valid URL: " + cur_dep; |
+ return false; |
+ } |
+ |
+ deps_.push_back(cur_url); |
+ } |
+ |
+ return true; |
+} |
+ |
+} // namespace mojo |