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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/util.h"
#include "backends/fs/abstract-fs.h"
#include "backends/fs/abstract-fs-factory.h"
FilesystemNode::FilesystemNode() {
_realNode = 0;
_refCount = 0;
}
FilesystemNode::FilesystemNode(AbstractFilesystemNode *realNode) {
_realNode = realNode;
_refCount = new int(1);
}
FilesystemNode::FilesystemNode(const FilesystemNode &node) {
_realNode = node._realNode;
_refCount = node._refCount;
if (_refCount)
++(*_refCount);
}
FilesystemNode::FilesystemNode(const Common::String &p) {
AbstractFilesystemFactory *factory = AbstractFilesystemFactory::makeFSFactory();
if (p.empty() || p == ".")
_realNode = factory->makeCurrentDirectoryFileNode();
else
_realNode = factory->makeFileNodePath(p);
_refCount = new int(1);
}
FilesystemNode::~FilesystemNode() {
decRefCount();
}
FilesystemNode &FilesystemNode::operator= (const FilesystemNode &node) {
if (node._refCount)
++(*node._refCount);
decRefCount();
_realNode = node._realNode;
_refCount = node._refCount;
return *this;
}
bool FilesystemNode::operator<(const FilesystemNode& node) const
{
if (isDirectory() && !node.isDirectory())
return true;
if (!isDirectory() && node.isDirectory())
return false;
return scumm_stricmp(getDisplayName().c_str(), node.getDisplayName().c_str()) < 0;
}
void FilesystemNode::decRefCount() {
if (_refCount) {
assert(*_refCount > 0);
--(*_refCount);
if (*_refCount == 0) {
delete _refCount;
delete _realNode;
}
}
}
bool FilesystemNode::exists() const {
if (_realNode == 0)
return false;
return _realNode->exists();
}
FilesystemNode FilesystemNode::getChild(const Common::String &n) const {
if (_realNode == 0)
return *this;
assert(_realNode->isDirectory());
AbstractFilesystemNode *node = _realNode->getChild(n);
return FilesystemNode(node);
}
bool FilesystemNode::getChildren(FSList &fslist, ListMode mode, bool hidden) const {
if (!_realNode || !_realNode->isDirectory())
return false;
AbstractFSList tmp;
if (!_realNode->getChildren(tmp, mode, hidden))
return false;
fslist.clear();
for (AbstractFSList::iterator i = tmp.begin(); i != tmp.end(); ++i) {
fslist.push_back(FilesystemNode(*i));
}
return true;
}
Common::String FilesystemNode::getDisplayName() const {
assert(_realNode);
return _realNode->getDisplayName();
}
Common::String FilesystemNode::getName() const {
assert(_realNode);
return _realNode->getName();
}
FilesystemNode FilesystemNode::getParent() const {
if (_realNode == 0)
return *this;
AbstractFilesystemNode *node = _realNode->getParent();
if (node == 0) {
return *this;
} else {
return FilesystemNode(node);
}
}
Common::String FilesystemNode::getPath() const {
assert(_realNode);
return _realNode->getPath();
}
bool FilesystemNode::isDirectory() const {
if (_realNode == 0)
return false;
return _realNode->isDirectory();
}
bool FilesystemNode::isReadable() const {
if (_realNode == 0)
return false;
return _realNode->isReadable();
}
bool FilesystemNode::isWritable() const {
if (_realNode == 0)
return false;
return _realNode->isWritable();
}
bool FilesystemNode::lookupFile(FSList &results, FSList &fslist, Common::String &filename, bool hidden, bool exhaustive) const
{
int matches = 0;
for (FSList::iterator entry = fslist.begin(); entry != fslist.end(); ++entry) {
if (entry->isDirectory()) {
matches += lookupFileRec(results, *entry, filename, hidden, exhaustive);
}
}
return ((matches > 0) ? true : false);
}
bool FilesystemNode::lookupFile(FSList &results, FilesystemNode &dir, Common::String &filename, bool hidden, bool exhaustive) const
{
int matches;
if (!dir.isDirectory())
return false;
matches = lookupFileRec(results, dir, filename, hidden, exhaustive);
return ((matches > 0) ? true : false);
}
int FilesystemNode::lookupFileRec(FSList &results, FilesystemNode &dir, Common::String &filename, bool hidden, bool exhaustive) const
{
FSList entries;
FSList children;
int matches = 0;
dir.getChildren(entries, FilesystemNode::kListAll, hidden);
//Breadth search (entries in the same level)
for (FSList::iterator entry = entries.begin(); entry != entries.end(); ++entry) {
if (entry->isDirectory()) {
children.push_back(*entry);
} else {
if (Common::matchString(entry->getName().c_str(), filename.c_str())) {
results.push_back(*entry);
matches++;
if (!exhaustive)
break;
}
}
}
//Depth search (entries in lower levels)
for (FSList::iterator child = children.begin(); child != children.end(); ++child) {
matches += lookupFileRec(results, *child, filename, hidden, exhaustive);
}
return matches;
}
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