1 files changed, 165 insertions, 0 deletions
diff --git a/toolkit/xre/CreateAppData.cpp b/toolkit/xre/CreateAppData.cpp
new file mode 100644
index 000000000..8c91ddc87
--- /dev/null
+++ b/toolkit/xre/CreateAppData.cpp
@@ -0,0 +1,165 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsXULAppAPI.h"
+#include "nsINIParser.h"
+#include "nsIFile.h"
+#include "nsAutoPtr.h"
+#include "mozilla/AppData.h"
+
+using namespace mozilla;
+
+nsresult
+XRE_CreateAppData(nsIFile* aINIFile, nsXREAppData **aAppData)
+{
+  NS_ENSURE_ARG(aINIFile && aAppData);
+
+  nsAutoPtr<ScopedAppData> data(new ScopedAppData());
+  if (!data)
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  nsresult rv = XRE_ParseAppData(aINIFile, data);
+  if (NS_FAILED(rv))
+    return rv;
+
+  if (!data->directory) {
+    nsCOMPtr<nsIFile> appDir;
+    rv = aINIFile->GetParent(getter_AddRefs(appDir));
+    if (NS_FAILED(rv))
+      return rv;
+
+    appDir.forget(&data->directory);
+  }
+
+  *aAppData = data.forget();
+  return NS_OK;
+}
+
+struct ReadString {
+  const char *section;
+  const char *key;
+  const char **buffer;
+};
+
+static void
+ReadStrings(nsINIParser &parser, const ReadString *reads)
+{
+  nsresult rv;
+  nsCString str;
+
+  while (reads->section) {
+    rv = parser.GetString(reads->section, reads->key, str);
+    if (NS_SUCCEEDED(rv)) {
+      SetAllocatedString(*reads->buffer, str);
+    }
+
+    ++reads;
+  }
+}
+
+struct ReadFlag {
+  const char *section;
+  const char *key;
+  uint32_t flag;
+};
+
+static void
+ReadFlags(nsINIParser &parser, const ReadFlag *reads, uint32_t *buffer)
+{
+  nsresult rv;
+  char buf[6]; // large enough to hold "false"
+
+  while (reads->section) {
+    rv = parser.GetString(reads->section, reads->key, buf, sizeof(buf));
+    if (NS_SUCCEEDED(rv) || rv == NS_ERROR_LOSS_OF_SIGNIFICANT_DATA) {
+      if (buf[0] == '1' || buf[0] == 't' || buf[0] == 'T') {
+        *buffer |= reads->flag;
+      }
+      if (buf[0] == '0' || buf[0] == 'f' || buf[0] == 'F') {
+        *buffer &= ~reads->flag;
+      }
+    }
+
+    ++reads;
+  }
+}
+
+nsresult
+XRE_ParseAppData(nsIFile* aINIFile, nsXREAppData *aAppData)
+{
+  NS_ENSURE_ARG(aINIFile && aAppData);
+
+  nsresult rv;
+
+  nsINIParser parser;
+  rv = parser.Init(aINIFile);
+  if (NS_FAILED(rv))
+    return rv;
+
+  nsCString str;
+
+  ReadString strings[] = {
+    { "App", "Vendor",        &aAppData->vendor },
+    { "App", "Name",          &aAppData->name },
+    { "App", "RemotingName",  &aAppData->remotingName },
+    { "App", "Version",       &aAppData->version },
+    { "App", "BuildID",       &aAppData->buildID },
+    { "App", "ID",            &aAppData->ID },
+    { "App", "Copyright",     &aAppData->copyright },
+    { "App", "Profile",       &aAppData->profile },
+    { nullptr }
+  };
+  ReadStrings(parser, strings);
+
+  ReadFlag flags[] = {
+    { "XRE", "EnableProfileMigrator", NS_XRE_ENABLE_PROFILE_MIGRATOR },
+    { nullptr }
+  };
+  ReadFlags(parser, flags, &aAppData->flags);
+
+  if (aAppData->size > offsetof(nsXREAppData, xreDirectory)) {
+    ReadString strings2[] = {
+      { "Gecko", "MinVersion", &aAppData->minVersion },
+      { "Gecko", "MaxVersion", &aAppData->maxVersion },
+      { nullptr }
+    };
+    ReadStrings(parser, strings2);
+  }
+
+  if (aAppData->size > offsetof(nsXREAppData, crashReporterURL)) {
+    ReadString strings3[] = {
+      { "Crash Reporter", "ServerURL", &aAppData->crashReporterURL },
+      { nullptr }
+    };
+    ReadStrings(parser, strings3);
+    ReadFlag flags2[] = {
+      { "Crash Reporter", "Enabled", NS_XRE_ENABLE_CRASH_REPORTER },
+      { nullptr }
+    };
+    ReadFlags(parser, flags2, &aAppData->flags);
+  }
+
+  if (aAppData->size > offsetof(nsXREAppData, UAName)) {
+    ReadString strings4[] = {
+      { "App", "UAName",    &aAppData->UAName },
+      { nullptr }
+    };
+    ReadStrings(parser, strings4);
+  }
+
+  return NS_OK;
+}
+
+void
+XRE_FreeAppData(nsXREAppData *aAppData)
+{
+  if (!aAppData) {
+    NS_ERROR("Invalid arg");
+    return;
+  }
+
+  ScopedAppData* sad = static_cast<ScopedAppData*>(aAppData);
+  delete sad;
+}