mirror of
https://github.com/libretro/scummvm.git
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153 lines
3.9 KiB
C++
153 lines
3.9 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2003 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*/
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#if defined (__GP32__)
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#include "../fs/fs.h"
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#include "stdio.h"
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extern "C" {
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#include "gpstdio.h"
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}
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/*
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* Implementation of the ScummVM file system API based on GP32.
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*/
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class GP32FilesystemNode : public FilesystemNode {
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protected:
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String _displayName;
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bool _isDirectory;
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bool _isValid;
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String _path;
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public:
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GP32FilesystemNode();
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GP32FilesystemNode(const String &path);
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GP32FilesystemNode(const GP32FilesystemNode *node);
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virtual String displayName() const { return _displayName; }
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virtual bool isValid() const { return _isValid; }
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virtual bool isDirectory() const { return _isDirectory; }
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virtual String path() const { return _path; }
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virtual FSList *listDir(ListMode mode = kListDirectoriesOnly) const;
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virtual FilesystemNode *parent() const;
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virtual FilesystemNode *clone() const { return new GP32FilesystemNode(this); }
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};
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FilesystemNode *FilesystemNode::getRoot() {
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return new GP32FilesystemNode();
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}
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GP32FilesystemNode::GP32FilesystemNode() {
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_displayName = "gp:\\";
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_isValid = true;
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_isDirectory = true;
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_path = "gp:\\";
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}
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/*
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GP32FilesystemNode::GP32FilesystemNode(const String &p) {
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// TODO - extract last component from path
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_displayName = p;
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// TODO - check whether it is a directory, and whether the file actually exists
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_isValid = true;
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_isDirectory = true;
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_path = p;
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}
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*/
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GP32FilesystemNode::GP32FilesystemNode(const GP32FilesystemNode *node) {
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_displayName = node->_displayName;
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_isValid = node->_isValid;
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_isDirectory = node->_isDirectory;
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_path = node->_path;
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}
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FSList *GP32FilesystemNode::listDir(ListMode mode) const {
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assert(_isDirectory);
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GPDIRENTRY dp;
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ulong read;
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FSList *myList = new FSList();
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int start=0; // current file
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// ... loop over dir entries using readdir
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while (GpDirEnumList(_path.c_str(), start++, 1, &dp, &read) == SM_OK) {
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if (strcmp(dp.name,".")==0|| strcmp(dp.name,"..")==0) continue;
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GP32FilesystemNode entry;
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entry._displayName = dp.name;
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entry._path = _path;
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entry._path += dp.name;
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GPFILEATTR attr;
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char s[256];
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sprintf(s, "%s%s", _path.c_str(), dp.name);
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GpFileAttr(s, &attr);
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entry._isDirectory = attr.attr & (1<<4);
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// Honor the chosen mode
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if ((mode == kListFilesOnly && entry._isDirectory) ||
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(mode == kListDirectoriesOnly && !entry._isDirectory))
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continue;
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if (entry._isDirectory)
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entry._path += "\\"; //ph0x
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myList->push_back(entry);
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}
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return myList;
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}
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const char *lastPathComponent(const Common::String &str) {
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const char *start = str.c_str();
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const char *cur = start + str.size() - 2;
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while (cur > start && *cur != '\\') { //ph0x
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--cur;
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}
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return cur+1;
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}
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FilesystemNode *GP32FilesystemNode::parent() const {
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GP32FilesystemNode *p = new GP32FilesystemNode();
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// Root node is its own parent. Still we can't just return this
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// as the GUI code will call delete on the old node.
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if (_path != "gp:\\") { //ph0x
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const char *start = _path.c_str();
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const char *end = lastPathComponent(_path);
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p->_path = String(start, end - start);
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p->_isValid = true;
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p->_isDirectory = true;
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p->_displayName = lastPathComponent(p->_path);
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}
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return p;
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}
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#endif // defined(__GP32__)
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