ppapi/cpp/directory_entry.cc

   1 // Copyright (c) 2010 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 #include "ppapi/cpp/directory_entry.h"
   6
   7 #include <string.h>
   8
   9 #include "ppapi/cpp/logging.h"
  10 #include "ppapi/cpp/module.h"
  11
  12 namespace pp {
  13
  14 DirectoryEntry::DirectoryEntry() {
  15   memset(&data_, 0, sizeof(data_));
  16 }
  17
  18 DirectoryEntry::DirectoryEntry(
  19     PassRef, const PP_DirectoryEntry& data) {
  20   data_.file_ref = data.file_ref;
  21   data_.file_type = data.file_type;
  22 }
  23
  24 DirectoryEntry::DirectoryEntry(const DirectoryEntry& other) {
  25   data_.file_ref = other.data_.file_ref;
  26   data_.file_type = other.data_.file_type;
  27   if (data_.file_ref)
  28     Module::Get()->core()->AddRefResource(data_.file_ref);
  29 }
  30
  31 DirectoryEntry::~DirectoryEntry() {
  32   if (data_.file_ref)
  33     Module::Get()->core()->ReleaseResource(data_.file_ref);
  34 }
  35
  36 DirectoryEntry& DirectoryEntry::operator=(
  37     const DirectoryEntry& other) {
  38   if (data_.file_ref)
  39     Module::Get()->core()->ReleaseResource(data_.file_ref);
  40   data_ = other.data_;
  41   if (data_.file_ref)
  42     Module::Get()->core()->AddRefResource(data_.file_ref);
  43   return *this;
  44 }
  45
  46 namespace internal {
  47
  48 DirectoryEntryArrayOutputAdapterWithStorage::
  49     DirectoryEntryArrayOutputAdapterWithStorage() {
  50   set_output(&temp_storage_);
  51 }
  52
  53 DirectoryEntryArrayOutputAdapterWithStorage::
  54     ~DirectoryEntryArrayOutputAdapterWithStorage() {
  55   if (!temp_storage_.empty()) {
  56     // An easy way to release the resource references held by |temp_storage_|.
  57     // A destructor for PP_DirectoryEntry will release them.
  58     output();
  59   }
  60 }
  61
  62 std::vector<DirectoryEntry>&
  63     DirectoryEntryArrayOutputAdapterWithStorage::output() {
  64   PP_DCHECK(output_storage_.empty());
  65   typedef std::vector<PP_DirectoryEntry> Entries;
  66   for (Entries::iterator it = temp_storage_.begin();
  67        it != temp_storage_.end();
  68        ++it) {
  69     output_storage_.push_back(DirectoryEntry(PASS_REF, *it));
  70   }
  71   temp_storage_.clear();
  72   return output_storage_;
  73 }
  74
  75 }  // namespace internal
  76 }  // namespace pp