diff options
Diffstat (limited to 'backends/platform/ds/arm9/source/zipreader.cpp')
| -rw-r--r-- | backends/platform/ds/arm9/source/zipreader.cpp | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/backends/platform/ds/arm9/source/zipreader.cpp b/backends/platform/ds/arm9/source/zipreader.cpp index b8780913ec..e23e920a50 100644 --- a/backends/platform/ds/arm9/source/zipreader.cpp +++ b/backends/platform/ds/arm9/source/zipreader.cpp @@ -219,224 +219,3 @@ void ZipFile::changeDirectory(char* dir) { ZipFile::~ZipFile() { } -/* Zip File Reader - * Copyright (C) 2002-2004 Neil Millstone - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - - -#include "stdafx.h" -#include "zipreader.h" - -#define SWAP_U16(v) (((v & 0xFF) << 8) + (v & 0xFF00)) -#define SWAP_U32(v) ((SWAP_U16((v & 0XFFFF0000) >> 16) + (SWAP_U16(v & 0x0000FFFF) << 16))) - - -ZipFile::ZipFile() { - // Locate a zip file in cartridge memory space - - consolePrintf("ZIP file check..."); - - char* p = (char *) ZF_SEARCH_START; - bool found = false; - - _zipFile = NULL; - - while ((p != (char *) ZF_SEARCH_END) && (!found)) { - // Zip file header is: 0x504B0304 - - if ( (*p == 0x50) && (*(p + 1) == 0x4B) && (*(p + 2) == 0x03) && (*(p + 3) == 0x04) ) { - // Found header! - found = true; - _zipFile = p; - } - - if (!found) p += ZF_SEARCH_STRIDE; - - } - - if (_zipFile) { - consolePrintf("Ok!\n"); - } else { - consolePrintf("Not in use!\n"); - return; - } - - changeToRoot(); - restartFile(); - - if (_currentFile->compSize != (u32) getFileSize()) { - consolePrintf("Error: ZIP file contains compression!\n"); - } - - _allFilesVisible = false; -} - -bool ZipFile::isReady() { - return _zipFile != NULL; -} - -bool ZipFile::restartFile() { - _currentFile = (FileHeader *) _zipFile; - char name[128]; - getFileName(name); - - bool more = true; - - while (!currentFileInFolder() && more) { - char name[128]; - getFileName(name); - more = skipFile(); - } - - return more; -} - -bool ZipFile::currentFileInFolder() { - char name[128]; - - if (_allFilesVisible) return true; - - getFileName(name); - - if (_directory[0] == 0) { // Root directory - name[strlen(name) - 1] = 0; - return !strchr(name, '\\'); // Not in root if contains a / character before the last character - } else { -/* if (name starts with directory && it's not the directory - && (no slashes after the directory || it's the last character) - && (slash follows directory) - */ - if ((strstr(name, _directory) == name) && (strlen(name) != strlen(_directory)) - && ((strchr(name + strlen(_directory) + 1, '\\') == NULL) - || (strchr(name + strlen(_directory) + 1, '\\') == name + strlen(name) - 1)) - && (*(name + strlen(_directory)) == '\\')) { - return true; - } - } - - return false; -} - -void ZipFile::getFileName(char* name) { - strncpy(name, (char *) (_currentFile + 1), _currentFile->nameLength); - - for (int r = 0; r < (int) strlen(name); r++) { - if (name[r] == '/') name[r] = '\\'; - } - - name[_currentFile->nameLength] = 0; - - if (name[strlen(name) - 1] == '\\') { - name[strlen(name) - 1] = 0; - } -} - -bool ZipFile::skipFile() { - bool valid; - - do { - - // Move on to the next file - _currentFile = (FileHeader *) ( - ((char *) (_currentFile)) + sizeof(*_currentFile) + _currentFile->nameLength + _currentFile->fileSize + _currentFile->extraLength - ); - - // Return true if there are more files. Check this by looking for the magic number - valid = (_currentFile->magic[0] == 0x50) && - (_currentFile->magic[1] == 0x4B) && - (_currentFile->magic[2] == 0x03) && - (_currentFile->magic[3] == 0x04); - - - } while (valid && !currentFileInFolder()); - - return valid; - - // Currently doesn't handle data descriptors! -} - - - -u32 ZipFile::misaligned32(u32* v) { - char* b = (char *) v; - return (b[0] << 24) + (b[1] << 16) + (b[2] << 8) + b[3]; -} - -u16 ZipFile::misaligned16(u16* v) { - char* b = (char *) v; - return (b[0] << 8) + b[1]; -} - -int ZipFile::getFileSize() { - return _currentFile->fileSize; -} - -bool ZipFile::isDirectory() { - return _currentFile->fileSize == 0; // This is a bit wrong, but seems to work. -} - -char* ZipFile::getFile() { - return ((char *) (_currentFile)) + sizeof(*_currentFile) + _currentFile->nameLength + _currentFile->extraLength; -} - -bool ZipFile::findFile(char* search) { - changeToRoot(); - restartFile(); - - char searchName[128]; - strcpy(searchName, search); - for (int r = 0; r < (int) strlen(searchName); r++) { - if (searchName[r] == '/') searchName[r] = '\\'; - } - - if (*(searchName + strlen(searchName) - 1) == '\\') { // Directories have a terminating slash - *(searchName + strlen(searchName) - 1) = '\0'; // which we need to dispose of. - } - - - do { - char name[128]; - getFileName(name); - if (*(name + strlen(name) - 1) == '\\') { // Directories have a terminating slash - *(name + strlen(name) - 1) = '\0'; // which we need to dispose of. - } - - - if (!stricmp(name, searchName)) { -// consolePrintf("'%s'=='%s'\n", name, searchName); - return true; // Got it! - } else { -// consolePrintf("'%s'!='%s'\n", name, searchName); - } - } while (skipFile()); - - return false; // File wasn't found -} - -void ZipFile::changeToRoot() { - _directory[0] = 0; -} - -void ZipFile::changeDirectory(char* dir) { -// consolePrintf("Current dir now '%s'\n", dir); - strcpy(_directory, dir); -} - -ZipFile::~ZipFile() { - -} |