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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/fs.h"
#include "common/util.h"
#include "common/system.h"
namespace Common {
GenericArchiveMember::GenericArchiveMember(String name, Archive *parent)
: _parent(parent), _name(name) {
}
String GenericArchiveMember::getName() const {
return _name;
}
SeekableReadStream *GenericArchiveMember::createReadStream() const {
return _parent->createReadStreamForMember(_name);
}
int Archive::listMatchingMembers(ArchiveMemberList &list, const String &pattern) {
// Get all "names" (TODO: "files" ?)
ArchiveMemberList allNames;
listMembers(allNames);
int matches = 0;
// need to match lowercase key
String lowercasePattern = pattern;
lowercasePattern.toLowercase();
ArchiveMemberList::iterator it = allNames.begin();
for ( ; it != allNames.end(); ++it) {
if ((*it)->getName().matchString(lowercasePattern, true)) {
list.push_back(*it);
matches++;
}
}
return matches;
}
SearchSet::ArchiveNodeList::iterator SearchSet::find(const String &name) const {
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it) {
if (it->_name == name)
break;
}
return it;
}
/*
Keep the nodes sorted according to descending priorities.
In case two or node nodes have the same priority, insertion
order prevails.
*/
void SearchSet::insert(const Node &node) {
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it) {
if (it->_priority < node._priority)
break;
}
_list.insert(it, node);
}
void SearchSet::add(const String &name, Archive *archive, int priority, bool autoFree) {
if (find(name) == _list.end()) {
Node node(priority, name, archive, autoFree);
insert(node);
} else {
if (autoFree)
delete archive;
warning("SearchSet::add: archive '%s' already present", name.c_str());
}
}
void SearchSet::addDirectory(const String &name, const String &directory, int priority, int depth) {
FSNode dir(directory);
addDirectory(name, dir, priority, depth);
}
void SearchSet::addDirectory(const String &name, const FSNode &dir, int priority, int depth) {
if (!dir.exists() || !dir.isDirectory())
return;
add(name, new FSDirectory(dir, depth), priority);
}
void SearchSet::remove(const String &name) {
ArchiveNodeList::iterator it = find(name);
if (it != _list.end()) {
if (it->_autoFree)
delete it->_arc;
_list.erase(it);
}
}
bool SearchSet::hasArchive(const String &name) const {
return (find(name) != _list.end());
}
void SearchSet::clear() {
for (ArchiveNodeList::iterator i = _list.begin(); i != _list.end(); ++i) {
if (i->_autoFree)
delete i->_arc;
}
_list.clear();
}
void SearchSet::setPriority(const String &name, int priority) {
ArchiveNodeList::iterator it = find(name);
if (it == _list.end()) {
warning("SearchSet::setPriority: archive '%s' is not present", name.c_str());
return;
}
if (priority == it->_priority)
return;
Node node(*it);
_list.erase(it);
node._priority = priority;
insert(node);
}
bool SearchSet::hasFile(const String &name) {
if (name.empty())
return false;
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it) {
if (it->_arc->hasFile(name))
return true;
}
return false;
}
int SearchSet::listMatchingMembers(ArchiveMemberList &list, const String &pattern) {
int matches = 0;
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it)
matches += it->_arc->listMatchingMembers(list, pattern);
return matches;
}
int SearchSet::listMembers(ArchiveMemberList &list) {
int matches = 0;
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it)
matches += it->_arc->listMembers(list);
return matches;
}
ArchiveMemberPtr SearchSet::getMember(const String &name) {
if (name.empty())
return ArchiveMemberPtr();
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it) {
if (it->_arc->hasFile(name))
return it->_arc->getMember(name);
}
return ArchiveMemberPtr();
}
SeekableReadStream *SearchSet::createReadStreamForMember(const String &name) const {
if (name.empty())
return 0;
ArchiveNodeList::iterator it = _list.begin();
for ( ; it != _list.end(); ++it) {
SeekableReadStream *stream = it->_arc->createReadStreamForMember(name);
if (stream)
return stream;
}
return 0;
}
DECLARE_SINGLETON(SearchManager);
SearchManager::SearchManager() {
clear(); // Force a reset
}
void SearchManager::clear() {
SearchSet::clear();
// Always keep system specific archives in the SearchManager.
// But we give them a lower priority than the default priority (which is 0),
// so that archives added by client code are searched first.
if (g_system)
g_system->addSysArchivesToSearchSet(*this, -1);
// Add the current dir as a very last resort.
// See also bug #2137680.
addDirectory(".", ".", -2);
}
} // namespace Common
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