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// 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 <utility>
#include "components/nacl/renderer/ppb_nacl_private.h"
#include "ppapi/c/pp_array_output.h"
#include "third_party/jsoncpp/source/include/json/value.h"
namespace nacl {
class JsonManifest;
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;
// Gets all the keys and their URLs in the "files" section that are
// prefetchable.
void GetPrefetchableFiles(
std::vector<std::pair<std::string, std::string> >* out_files) 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
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