Pepper: Move manifest logic to components/nacl.

components/nacl/renderer/json_manifest.h

+// 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.
+
+#ifndef COMPONENTS_NACL_RENDERER_JSON_MANIFEST_H
+#define COMPONENTS_NACL_RENDERER_JSON_MANIFEST_H
+
+#include <set>
+#include <string>
+
+#include "ppapi/c/pp_array_output.h"
+#include "ppapi/c/private/ppb_nacl_private.h"
+#include "third_party/jsoncpp/source/include/json/value.h"
+
+namespace nacl {
+class NexeLoadManager;
+
+class JsonManifest {
+ public:
+  struct ErrorInfo {
+    PP_NaClError error;
+    std::string string;
+  };
+
+  JsonManifest(const std::string& manifest_base_url,
+               const std::string& sandbox_isa,
+               bool nonsfi_enabled,
+               bool pnacl_debug);
+
+  // Initialize the manifest object for use by later lookups. Returns
+  // true if the manifest parses correctly and matches the schema.
+  bool Init(const std::string& json_manifest, ErrorInfo* error_info);
+
+  // Gets the full program URL for the current sandbox ISA from the
+  // manifest file.
+  bool GetProgramURL(std::string* full_url,
+                     PP_PNaClOptions* pnacl_options,
+                     bool* uses_nonsfi_mode,
+                     ErrorInfo* error_info) const;
+
+  // Resolves a key from the "files" section to a fully resolved URL,
+  // i.e., relative URL values are fully expanded relative to the
+  // manifest's URL (via ResolveURL).
+  // If there was an error, details are reported via error_info.
+  bool ResolveKey(const std::string& key,
+                  std::string* full_url,
+                  PP_PNaClOptions* pnacl_options) const;
+
+ private:
+  bool MatchesSchema(ErrorInfo* error_info);
+  bool GetKeyUrl(const Json::Value& dictionary,
+                 const std::string& key,
+                 std::string* full_url,
+                 PP_PNaClOptions* pnacl_options) const;
+  bool GetURLFromISADictionary(const Json::Value& dictionary,
+                               const std::string& parent_key,
+                               std::string* url,
+                               PP_PNaClOptions* pnacl_options,
+                               bool* uses_nonsfi_mode,
+                               ErrorInfo* error_info) const;
+
+  std::string manifest_base_url_;
+  std::string sandbox_isa_;
+  bool nonsfi_enabled_;
+  bool pnacl_debug_;
+
+  // The dictionary of manifest information parsed in Init().
+  Json::Value dictionary_;
+};
+
+}  // namespace nacl
+
+#endif  // COMPONENTS_NACL_RENDERER_JSON_MANIFEST_H