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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "common/archive.h"
#include "common/debug.h"
#include "common/file.h"
#include "common/fs.h"
#include "common/util.h"
#include "common/system.h"
namespace Common {
void File::addDefaultDirectory(const String &directory) {
FSNode dir(directory);
addDefaultDirectory(dir);
}
void File::addDefaultDirectory(const FSNode &dir) {
if (dir.exists() && dir.isDirectory())
SearchMan.addDirectory(dir.getPath(), dir);
}
File::File()
: _handle(0) {
}
File::~File() {
close();
}
bool File::open(const String &filename) {
return open(filename, SearchMan);
}
bool File::open(const String &filename, Archive &archive) {
assert(!filename.empty());
assert(!_handle);
SeekableReadStream *stream = 0;
if ((stream = archive.createReadStreamForMember(filename))) {
debug(3, "Opening hashed: %s", filename.c_str());
} else if ((stream = archive.createReadStreamForMember(filename + "."))) {
// WORKAROUND: Bug #1458388: "SIMON1: Game Detection fails"
// sometimes instead of "GAMEPC" we get "GAMEPC." (note trailing dot)
debug(3, "Opening hashed: %s.", filename.c_str());
}
return open(stream, filename);
}
bool File::open(const FSNode &node) {
assert(!_handle);
if (!node.exists()) {
warning("File::open: '%s' does not exist", node.getPath().c_str());
return false;
} else if (node.isDirectory()) {
warning("File::open: '%s' is a directory", node.getPath().c_str());
return false;
}
SeekableReadStream *stream = node.createReadStream();
return open(stream, node.getPath());
}
bool File::open(SeekableReadStream *stream, const Common::String &name) {
assert(!_handle);
if (stream) {
_handle = stream;
_name = name;
} else {
debug(2, "File::open: opening '%s' failed", name.c_str());
}
return _handle != NULL;
}
bool File::exists(const String &filename) {
if (SearchMan.hasFile(filename)) {
return true;
} else if (SearchMan.hasFile(filename + ".")) {
// WORKAROUND: Bug #1458388: "SIMON1: Game Detection fails"
// sometimes instead of "GAMEPC" we get "GAMEPC." (note trailing dot)
return true;
}
return false;
}
void File::close() {
delete _handle;
_handle = NULL;
}
bool File::isOpen() const {
return _handle != NULL;
}
bool File::ioFailed() const {
return !_handle || (eos() || err());
}
void File::clearIOFailed() {
if (_handle)
_handle->clearErr();
}
bool File::err() const {
assert(_handle);
return _handle->err();
}
void File::clearErr() {
assert(_handle);
_handle->clearErr();
}
bool File::eos() const {
assert(_handle);
return _handle->eos();
}
int32 File::pos() const {
assert(_handle);
return _handle->pos();
}
int32 File::size() const {
assert(_handle);
return _handle->size();
}
bool File::seek(int32 offs, int whence) {
assert(_handle);
return _handle->seek(offs, whence);
}
uint32 File::read(void *ptr, uint32 len) {
assert(_handle);
return _handle->read(ptr, len);
}
DumpFile::DumpFile() : _handle(0) {
}
DumpFile::~DumpFile() {
close();
}
bool DumpFile::open(const String &filename) {
assert(!filename.empty());
assert(!_handle);
FSNode node(filename);
return open(node);
}
bool DumpFile::open(const FSNode &node) {
assert(!_handle);
if (node.isDirectory()) {
warning("DumpFile::open: FSNode is a directory");
return false;
}
_handle = node.createWriteStream();
if (_handle == NULL)
debug(2, "File %s not found", node.getName().c_str());
return _handle != NULL;
}
void DumpFile::close() {
delete _handle;
_handle = NULL;
}
bool DumpFile::isOpen() const {
return _handle != NULL;
}
bool DumpFile::err() const {
assert(_handle);
return _handle->err();
}
void DumpFile::clearErr() {
assert(_handle);
_handle->clearErr();
}
uint32 DumpFile::write(const void *ptr, uint32 len) {
assert(_handle);
return _handle->write(ptr, len);
}
bool DumpFile::flush() {
assert(_handle);
return _handle->flush();
}
} // End of namespace Common
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