ppapi/native_client/src/trusted/plugin/pnacl_options.h

   1 // Copyright (c) 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.
   4
   5 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_OPTIONS_H_
   6 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_OPTIONS_H_
   7
   8 #include <vector>
   9
  10 #include "native_client/src/include/nacl_string.h"
  11 #include "native_client/src/include/portability.h"
  12
  13 namespace plugin {
  14
  15 // Options for PNaCl translation.
  16 class PnaclOptions {
  17
  18  public:
  19   PnaclOptions();
  20   ~PnaclOptions();
  21
  22   // Return |true| if PNaCl is allowed to cache.
  23   // PNaCl is allowed to cache if the server sends cache validators
  24   // like Last-Modified time or ETags in the HTTP response, and
  25   // it does not send "Cache-Control: no-store".
  26   bool HasCacheKey() const { return (!cache_validators_.empty()); }
  27
  28   // Return the cache key (which takes into account the bitcode hash,
  29   // as well as the commandline options).
  30   nacl::string GetCacheKey() const;
  31
  32   // Return a character array of \x00 delimited commandline options.
  33   std::vector<char> GetOptCommandline() const;
  34
  35   bool translate() const { return translate_; }
  36   void set_translate(bool t) { translate_ = t; }
  37
  38   int32_t opt_level() const { return opt_level_; }
  39   void set_opt_level(int32_t l);
  40
  41   void set_cache_validators(const nacl::string& c) {
  42     cache_validators_ = c;
  43   }
  44
  45  private:
  46   // NOTE: There are users of this class that use the copy constructor.
  47   // Currently the default copy constructor is good enough, but
  48   // double-check that it is the case when more fields are added.
  49   bool translate_;
  50   int32_t opt_level_;
  51   nacl::string cache_validators_;
  52 };
  53
  54 }  // namespace plugin;
  55 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PNACL_OPTIONS_H_