xpcom/glue/AppData.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/AppData.h"
   8 #include "nsXULAppAPI.h"
   9 #include "nsINIParser.h"
  10 #include "nsIFile.h"
  11 #include "nsCRTGlue.h"
  12 #include "nsAutoPtr.h"
  13
  14 namespace mozilla {
  15
  16 void
  17 SetAllocatedString(const char*& aStr, const char* aNewValue)
  18 {
  19   NS_Free(const_cast<char*>(aStr));
  20   if (aNewValue) {
  21     aStr = NS_strdup(aNewValue);
  22   } else {
  23     aStr = nullptr;
  24   }
  25 }
  26
  27 void
  28 SetAllocatedString(const char*& aStr, const nsACString& aNewValue)
  29 {
  30   NS_Free(const_cast<char*>(aStr));
  31   if (aNewValue.IsEmpty()) {
  32     aStr = nullptr;
  33   } else {
  34     aStr = ToNewCString(aNewValue);
  35   }
  36 }
  37
  38 ScopedAppData::ScopedAppData(const nsXREAppData* aAppData)
  39 {
  40   Zero();
  41
  42   this->size = aAppData->size;
  43
  44   SetAllocatedString(this->vendor, aAppData->vendor);
  45   SetAllocatedString(this->name, aAppData->name);
  46   SetAllocatedString(this->version, aAppData->version);
  47   SetAllocatedString(this->buildID, aAppData->buildID);
  48   SetAllocatedString(this->ID, aAppData->ID);
  49   SetAllocatedString(this->copyright, aAppData->copyright);
  50   SetAllocatedString(this->profile, aAppData->profile);
  51   SetStrongPtr(this->directory, aAppData->directory);
  52   this->flags = aAppData->flags;
  53
  54   if (aAppData->size > offsetof(nsXREAppData, xreDirectory)) {
  55     SetStrongPtr(this->xreDirectory, aAppData->xreDirectory);
  56     SetAllocatedString(this->minVersion, aAppData->minVersion);
  57     SetAllocatedString(this->maxVersion, aAppData->maxVersion);
  58   }
  59
  60   if (aAppData->size > offsetof(nsXREAppData, crashReporterURL)) {
  61     SetAllocatedString(this->crashReporterURL, aAppData->crashReporterURL);
  62   }
  63
  64   if (aAppData->size > offsetof(nsXREAppData, UAName)) {
  65     SetAllocatedString(this->UAName, aAppData->UAName);
  66   }
  67 }
  68
  69 ScopedAppData::~ScopedAppData()
  70 {
  71   SetAllocatedString(this->vendor, nullptr);
  72   SetAllocatedString(this->name, nullptr);
  73   SetAllocatedString(this->version, nullptr);
  74   SetAllocatedString(this->buildID, nullptr);
  75   SetAllocatedString(this->ID, nullptr);
  76   SetAllocatedString(this->copyright, nullptr);
  77   SetAllocatedString(this->profile, nullptr);
  78
  79   NS_IF_RELEASE(this->directory);
  80
  81   SetStrongPtr(this->xreDirectory, (nsIFile*)nullptr);
  82   SetAllocatedString(this->minVersion, nullptr);
  83   SetAllocatedString(this->maxVersion, nullptr);
  84
  85   SetAllocatedString(this->crashReporterURL, nullptr);
  86   SetAllocatedString(this->UAName, nullptr);
  87 }
  88
  89 } // namespace mozilla