mirror of https://github.com/stella-emu/stella.git
Forgot to add FSNode for Win32.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@431 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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stephena
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891ad6f7fe
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//============================================================================
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//
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// SSSS tt lll lll
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// SS SS tt ll ll
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// SS tttttt eeee ll ll aaaa
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// SSSS tt ee ee ll ll aa
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// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
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// SS SS tt ee ll ll aa aa
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// SSSS ttt eeeee llll llll aaaaa
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//
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// Copyright (c) 1995-2005 by Bradford W. Mott
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//
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// See the file "license" for information on usage and redistribution of
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// this file, and for a DISCLAIMER OF ALL WARRANTIES.
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//
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// $Id: FSNodeWin32.cxx,v 1.1 2005-05-19 13:52:55 stephena Exp $
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//
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// Based on code from ScummVM - Scumm Interpreter
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// Copyright (C) 2002-2004 The ScummVM project
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//============================================================================
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//#include "stdafx.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <windows.h>
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#include <tchar.h>
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#include "FSNode.hxx"
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/*
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* Implementation of the Stella file system API based on Windows API.
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*/
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class WindowsFilesystemNode : public AbstractFilesystemNode
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{
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public:
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WindowsFilesystemNode();
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WindowsFilesystemNode(const string &path);
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WindowsFilesystemNode(const WindowsFilesystemNode* 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) const;
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virtual AbstractFilesystemNode* parent() const;
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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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bool _isPseudoRoot;
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string _path;
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private:
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static char* toAscii(TCHAR* x);
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static TCHAR* toUnicode(char* x);
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static void addFile (FSList& list, ListMode mode,
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const char* base, WIN32_FIND_DATA* find_data);
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};
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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char* WindowsFilesystemNode::toAscii(TCHAR* x)
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{
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#ifndef UNICODE
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return (char*)x;
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#else
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static char asciiString[MAX_PATH];
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WideCharToMultiByte(CP_ACP, 0, x, _tcslen(x) + 1, asciiString, sizeof(asciiString), NULL, NULL);
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return asciiString;
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#endif
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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TCHAR* WindowsFilesystemNode::toUnicode(char* x)
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{
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#ifndef UNICODE
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return (TCHAR*)x;
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#else
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static TCHAR unicodeString[MAX_PATH];
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MultiByteToWideChar(CP_ACP, 0, x, strlen(x) + 1, unicodeString, sizeof(unicodeString));
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return unicodeString;
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#endif
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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void WindowsFilesystemNode::addFile(FSList& list, ListMode mode,
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const char* base, WIN32_FIND_DATA* find_data)
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{
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WindowsFilesystemNode entry;
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char* asciiName = toAscii(find_data->cFileName);
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bool isDirectory;
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// Skip local directory (.) and parent (..)
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if (!strcmp(asciiName, ".") || !strcmp(asciiName, ".."))
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return;
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isDirectory = (find_data->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? true : false);
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if ((!isDirectory && mode == kListDirectoriesOnly) ||
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(isDirectory && mode == kListFilesOnly))
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return;
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entry._isDirectory = isDirectory;
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entry._displayName = asciiName;
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entry._path = base;
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entry._path += asciiName;
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if (entry._isDirectory)
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entry._path += "\\";
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entry._isValid = true;
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entry._isPseudoRoot = false;
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list.push_back(wrap(new WindowsFilesystemNode(&entry)));
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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AbstractFilesystemNode *FilesystemNode::getRoot()
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{
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return new WindowsFilesystemNode();
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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WindowsFilesystemNode::WindowsFilesystemNode()
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{
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_isDirectory = true;
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// Create a virtual root directory for standard Windows system
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_isValid = false;
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_path = "";
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_isPseudoRoot = true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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WindowsFilesystemNode::WindowsFilesystemNode(const WindowsFilesystemNode* node)
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{
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_displayName = node->_displayName;
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_isDirectory = node->_isDirectory;
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_isValid = node->_isValid;
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_isPseudoRoot = node->_isPseudoRoot;
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_path = node->_path;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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FSList WindowsFilesystemNode::listDir(ListMode mode) const
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{
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assert(_isDirectory);
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FSList myList;
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if (_isPseudoRoot)
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{
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// Drives enumeration
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TCHAR drive_buffer[100];
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GetLogicalDriveStrings(sizeof(drive_buffer) / sizeof(TCHAR), drive_buffer);
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for (TCHAR *current_drive = drive_buffer; *current_drive;
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current_drive += _tcslen(current_drive) + 1)
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{
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WindowsFilesystemNode entry;
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char drive_name[2];
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drive_name[0] = toAscii(current_drive)[0];
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drive_name[1] = '\0';
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entry._displayName = drive_name;
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entry._isDirectory = true;
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entry._isValid = true;
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entry._isPseudoRoot = false;
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entry._path = toAscii(current_drive);
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myList.push_back(wrap(new WindowsFilesystemNode(&entry)));
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}
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}
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else
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{
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// Files enumeration
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WIN32_FIND_DATA desc;
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HANDLE handle;
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char searchPath[MAX_PATH + 10];
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sprintf(searchPath, "%s*", _path.c_str());
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handle = FindFirstFile(toUnicode(searchPath), &desc);
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if (handle == INVALID_HANDLE_VALUE)
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return myList;
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addFile(myList, mode, _path.c_str(), &desc);
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while (FindNextFile(handle, &desc))
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addFile(myList, mode, _path.c_str(), &desc);
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FindClose(handle);
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}
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return myList;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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const char* lastPathComponent(const string& str)
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{
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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 != '\\')
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--cur;
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return cur + 1;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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AbstractFilesystemNode* WindowsFilesystemNode::parent() const
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{
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assert(_isValid || _isPseudoRoot);
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if (_isPseudoRoot)
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return 0;
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WindowsFilesystemNode* p = new WindowsFilesystemNode();
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if (_path.size() > 3)
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{
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const char *start = _path.c_str();
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const char *end = lastPathComponent(_path);
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p = new WindowsFilesystemNode();
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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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p->_isPseudoRoot = false;
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}
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return p;
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}
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