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// Copyright (c) 2010 The Chromium Authors. All rights reserved. Use of this
// source code is governed by a BSD-style license that can be found in the
// LICENSE file.
#include "webkit/glue/webfilesystem_impl.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "net/base/file_stream.h"
#include "net/base/net_util.h"
#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
#include "webkit/glue/webkit_glue.h"
using WebKit::WebString;
namespace webkit_glue {
WebFileSystemImpl::WebFileSystemImpl()
: sandbox_enabled_(true) {
}
bool WebFileSystemImpl::fileExists(const WebString& path) {
FilePath::StringType file_path = WebStringToFilePathString(path);
return file_util::PathExists(FilePath(file_path));
}
bool WebFileSystemImpl::deleteFile(const WebString& path) {
NOTREACHED();
return false;
}
bool WebFileSystemImpl::deleteEmptyDirectory(const WebString& path) {
NOTREACHED();
return false;
}
bool WebFileSystemImpl::getFileSize(const WebString& path, long long& result) {
if (sandbox_enabled_) {
NOTREACHED();
return false;
}
return file_util::GetFileSize(WebStringToFilePath(path),
reinterpret_cast<int64*>(&result));
}
bool WebFileSystemImpl::getFileModificationTime(const WebString& path,
double& result) {
if (sandbox_enabled_) {
NOTREACHED();
return false;
}
file_util::FileInfo info;
if (!file_util::GetFileInfo(WebStringToFilePath(path), &info))
return false;
result = info.last_modified.ToDoubleT();
return true;
}
WebString WebFileSystemImpl::directoryName(const WebString& path) {
FilePath file_path(WebStringToFilePathString(path));
return FilePathToWebString(file_path.DirName());
}
WebString WebFileSystemImpl::pathByAppendingComponent(
const WebString& webkit_path,
const WebString& webkit_component) {
FilePath path(WebStringToFilePathString(webkit_path));
FilePath component(WebStringToFilePathString(webkit_component));
FilePath combined_path = path.Append(component);
return FilePathStringToWebString(combined_path.value());
}
bool WebFileSystemImpl::makeAllDirectories(const WebString& path) {
DCHECK(!sandbox_enabled_);
FilePath::StringType file_path = WebStringToFilePathString(path);
return file_util::CreateDirectory(FilePath(file_path));
}
WebString WebFileSystemImpl::getAbsolutePath(const WebString& path) {
FilePath file_path(WebStringToFilePathString(path));
file_util::AbsolutePath(&file_path);
return FilePathStringToWebString(file_path.value());
}
bool WebFileSystemImpl::isDirectory(const WebString& path) {
FilePath file_path(WebStringToFilePathString(path));
return file_util::DirectoryExists(file_path);
}
WebKit::WebURL WebFileSystemImpl::filePathToURL(const WebString& path) {
return net::FilePathToFileURL(WebStringToFilePath(path));
}
base::PlatformFile WebFileSystemImpl::openFile(const WebString& path,
int mode) {
if (sandbox_enabled_) {
NOTREACHED();
return base::kInvalidPlatformFileValue;
}
return base::CreatePlatformFile(
WebStringToFilePath(path),
(mode == 0) ? (base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ)
: (base::PLATFORM_FILE_CREATE_ALWAYS |
base::PLATFORM_FILE_WRITE),
NULL);
}
void WebFileSystemImpl::closeFile(base::PlatformFile& handle) {
if (handle == base::kInvalidPlatformFileValue)
return;
if (base::ClosePlatformFile(handle))
handle = base::kInvalidPlatformFileValue;
}
long long WebFileSystemImpl::seekFile(base::PlatformFile handle,
long long offset,
int origin) {
if (handle == base::kInvalidPlatformFileValue)
return -1;
net::FileStream file_stream(handle, 0);
return file_stream.Seek(static_cast<net::Whence>(origin), offset);
}
bool WebFileSystemImpl::truncateFile(base::PlatformFile handle,
long long offset) {
if (handle == base::kInvalidPlatformFileValue || offset < 0)
return false;
net::FileStream file_stream(handle, base::PLATFORM_FILE_WRITE);
return file_stream.Truncate(offset) >= 0;
}
int WebFileSystemImpl::readFromFile(base::PlatformFile handle,
char* data,
int length) {
if (handle == base::kInvalidPlatformFileValue || !data || length <= 0)
return -1;
std::string buffer;
buffer.resize(length);
net::FileStream file_stream(handle, base::PLATFORM_FILE_READ);
return file_stream.Read(data, length, NULL);
}
int WebFileSystemImpl::writeToFile(base::PlatformFile handle,
const char* data,
int length) {
if (handle == base::kInvalidPlatformFileValue || !data || length <= 0)
return -1;
net::FileStream file_stream(handle, base::PLATFORM_FILE_WRITE);
return file_stream.Write(data, length, NULL);
}
} // namespace webkit_glue
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