gecko-dev/toolkit/xre/CreateAppData.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2012-05-21 11:12:37 +00:00
/* 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", "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 },
{ "XRE", "EnableExtensionManager", NS_XRE_ENABLE_EXTENSION_MANAGER },
{ 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;
}