summaryrefslogtreecommitdiff
path: root/src/fs/virtfs/fszip.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/fs/virtfs/fszip.cpp')
-rw-r--r--src/fs/virtfs/fszip.cpp705
1 files changed, 0 insertions, 705 deletions
diff --git a/src/fs/virtfs/fszip.cpp b/src/fs/virtfs/fszip.cpp
deleted file mode 100644
index fcb726173..000000000
--- a/src/fs/virtfs/fszip.cpp
+++ /dev/null
@@ -1,705 +0,0 @@
-/*
- * The ManaPlus Client
- * Copyright (C) 2013-2017 The ManaPlus Developers
- *
- * This file is part of The ManaPlus Client.
- *
- * 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
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "fs/virtfs/fszip.h"
-
-#include "fs/virtfs/file.h"
-#include "fs/virtfs/fsfuncs.h"
-#include "fs/virtfs/fsziprwops.h"
-#include "fs/virtfs/list.h"
-#include "fs/virtfs/zipentry.h"
-#include "fs/virtfs/zipreader.h"
-#include "fs/virtfs/ziplocalheader.h"
-
-#include "utils/cast.h"
-#include "utils/checkutils.h"
-#include "utils/foreach.h"
-#include "utils/stringutils.h"
-
-#include "debug.h"
-
-extern const char *dirSeparator;
-
-namespace
-{
- VirtFs::FsFuncs funcs;
-} // namespace
-
-namespace VirtFs
-{
-
-namespace FsZip
-{
- FsFuncs *getFuncs()
- {
- return &funcs;
- }
-
- void deinit()
- {
- }
-
- void init()
- {
- initFuncs(&funcs);
- }
-
- void initFuncs(FsFuncs *restrict const ptr)
- {
- ptr->close = &FsZip::close;
- ptr->read = &FsZip::read;
- ptr->write = &FsZip::write;
- ptr->fileLength = &FsZip::fileLength;
- ptr->tell = &FsZip::tell;
- ptr->seek = &FsZip::seek;
- ptr->eof = &FsZip::eof;
- ptr->exists = &FsZip::exists;
- ptr->getRealDir = &FsZip::getRealDir;
- ptr->enumerate = &FsZip::enumerate;
- ptr->isDirectory = &FsZip::isDirectory;
- ptr->openRead = &FsZip::openRead;
- ptr->openWrite = &FsZip::openWrite;
- ptr->openAppend = &FsZip::openAppend;
- ptr->loadFile = &FsZip::loadFile;
- ptr->getFiles = &FsZip::getFiles;
- ptr->getFilesWithDir = &FsZip::getFilesWithDir;
- ptr->getDirs = &FsZip::getDirs;
- ptr->rwops_seek = &FsZip::rwops_seek;
- ptr->rwops_read = &FsZip::rwops_read;
- ptr->rwops_write = &FsZip::rwops_write;
- ptr->rwops_close = &FsZip::rwops_close;
-#ifdef USE_SDL2
- ptr->rwops_size = &FsZip::rwops_size;
-#endif // USE_SDL2
- }
-
- bool getRealDir(FsEntry *restrict const entry,
- std::string filename,
- std::string dirName,
- std::string &realDir)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- {
- filename = pathJoin(subDir, filename);
- dirName = pathJoin(subDir, dirName);
- }
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- if ((*it2)->fileName == filename)
- {
- realDir = entry->root;
- return true;
- }
- }
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it2,
- zipEntry->mDirs)
- {
- if (*it2 == dirName)
- {
- realDir = entry->root;
- return true;
- }
- }
- return false;
- }
-
- bool exists(FsEntry *restrict const entry,
- std::string filename,
- std::string dirName)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- {
- filename = pathJoin(subDir, filename);
- dirName = pathJoin(subDir, dirName);
- }
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- if ((*it2)->fileName == filename)
- return true;
- }
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it2,
- zipEntry->mDirs)
- {
- if (*it2 == dirName)
- return true;
- }
- return false;
- }
-
- void enumerate(FsEntry *restrict const entry,
- std::string dirName,
- StringVect &names)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- const std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- dirName = pathJoin(subDir, dirName);
- if (dirName == dirSeparator)
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- names.push_back(fileName);
- }
- }
- else
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- if (findCutFirst(fileName, dirName) == true)
- {
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- names.push_back(fileName);
- }
- }
- }
- }
-
- void getFiles(FsEntry *restrict const entry,
- std::string dirName,
- StringVect &names)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- const std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- dirName = pathJoin(subDir, dirName);
- if (dirName == dirSeparator)
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- {
- std::string dirName2 = pathJoin(dirName, fileName);
- if (findLast(dirName2, std::string(dirSeparator)) == false)
- dirName2 += dirSeparator;
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it,
- zipEntry->mDirs)
- {
- if (*it == dirName2)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- names.push_back(fileName);
- }
- }
- }
- else
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- if (findCutFirst(fileName, dirName) == true)
- {
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- {
- std::string dirName2 = pathJoin(dirName, fileName);
- if (findLast(dirName2, std::string(dirSeparator)) ==
- false)
- {
- dirName2 += dirSeparator;
- }
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it,
- zipEntry->mDirs)
- {
- if (*it == dirName2)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- names.push_back(fileName);
- }
- }
- }
- }
- }
-
- void getFilesWithDir(FsEntry *restrict const entry,
- const std::string &dirName,
- StringVect &names)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- const std::string subDir = zipEntry->subDir;
- std::string dirNameFull;
- if (!subDir.empty())
- dirNameFull = pathJoin(subDir, dirName);
- else
- dirNameFull = dirName;
- if (dirNameFull == dirSeparator)
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- {
- std::string dirName2 = pathJoin(dirNameFull, fileName);
- if (findLast(dirName2, std::string(dirSeparator)) == false)
- dirName2 += dirSeparator;
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it,
- zipEntry->mDirs)
- {
- if (*it == dirName2)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- names.push_back(pathJoin(dirName, fileName));
- }
- }
- }
- else
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- if (findCutFirst(fileName, dirNameFull) == true)
- {
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- {
- std::string dirName2 = pathJoin(dirNameFull, fileName);
- if (findLast(dirName2, std::string(dirSeparator)) ==
- false)
- {
- dirName2 += dirSeparator;
- }
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it,
- zipEntry->mDirs)
- {
- if (*it == dirName2)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- names.push_back(pathJoin(dirName, fileName));
- }
- }
- }
- }
- }
-
- void getDirs(FsEntry *restrict const entry,
- std::string dirName,
- StringVect &names)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- const std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- dirName = pathJoin(subDir, dirName);
- if (dirName == dirSeparator)
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- {
- std::string dirName2 = pathJoin(dirName, fileName);
- if (findLast(dirName2, std::string(dirSeparator)) == false)
- dirName2 += dirSeparator;
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it,
- zipEntry->mDirs)
- {
- if (*it == dirName2)
- {
- found = true;
- break;
- }
- }
- if (found == true)
- names.push_back(fileName);
- }
- }
- }
- else
- {
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- ZipLocalHeader *const header = *it2;
- std::string fileName = header->fileName;
- if (findCutFirst(fileName, dirName) == true)
- {
- // skip subdirs from enumeration
- const size_t idx = fileName.find(dirSeparator);
- if (idx != std::string::npos)
- fileName.erase(idx);
- bool found(false);
- FOR_EACH (StringVectCIter, itn, names)
- {
- if (*itn == fileName)
- {
- found = true;
- break;
- }
- }
- if (found == false)
- {
- std::string dirName2 = pathJoin(dirName, fileName);
- if (findLast(dirName2, std::string(dirSeparator)) ==
- false)
- {
- dirName2 += dirSeparator;
- }
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it,
- zipEntry->mDirs)
- {
- if (*it == dirName2)
- {
- found = true;
- break;
- }
- }
- if (found == true)
- names.push_back(fileName);
- }
- }
- }
- }
- }
-
- bool isDirectory(FsEntry *restrict const entry,
- std::string dirName,
- bool &isDirFlag)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- dirName = pathJoin(subDir, dirName);
- FOR_EACH (STD_VECTOR<std::string>::const_iterator,
- it2,
- zipEntry->mDirs)
- {
- if (*it2 == dirName)
- {
- isDirFlag = true;
- return true;
- }
- }
- return false;
- }
-
- void freeList(List *restrict const handle)
- {
- delete handle;
- }
-
- File *openRead(FsEntry *restrict const entry,
- std::string filename)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- filename = pathJoin(subDir, filename);
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- const ZipLocalHeader *restrict const header = *it2;
- if (header->fileName == filename)
- {
- const uint8_t *restrict const buf =
- ZipReader::readFile(header);
- if (buf == nullptr)
- return nullptr;
- return new File(&funcs,
- buf,
- header->uncompressSize);
- }
- }
- return nullptr;
- }
-
- File *openWrite(FsEntry *restrict const entry A_UNUSED,
- const std::string &filename A_UNUSED)
- {
- reportAlways("VirtFs::openWrite for zip not implemented.");
- return nullptr;
- }
-
- File *openAppend(FsEntry *restrict const entry A_UNUSED,
- const std::string &filename A_UNUSED)
- {
- reportAlways("VirtFs::openAppend for zip not implemented.");
- return nullptr;
- }
-
- int close(File *restrict const file)
- {
- if (file == nullptr)
- return 0;
- delete file;
- return 1;
- }
-
- int64_t read(File *restrict const file,
- void *restrict const buffer,
- const uint32_t objSize,
- const uint32_t objCount)
- {
- if (file == nullptr ||
- objSize == 0 ||
- objCount == 0)
- {
- return 0;
- }
- if (buffer == nullptr)
- {
- reportAlways("FsZip::read buffer is null");
- return 0;
- }
- const size_t pos = file->mPos;
- const size_t sz = file->mSize;
- // if outside of buffer, return
- if (pos >= sz)
- return 0;
- // pointer to start for buffer ready to read
- const uint8_t *restrict const memPtr = file->mBuf + pos;
- // left buffer size from pos to end
- const uint32_t memSize = CAST_U32(sz - pos);
- // number of objects possible to read
- uint32_t memCount = memSize / objSize;
- if (memCount == 0)
- return 0;
- // limit number of possible objects to read to objCount
- if (memCount > objCount)
- memCount = objCount;
- // number of bytes to read from buffer
- const size_t memEnd = memCount * objSize;
- memcpy(buffer, memPtr, memEnd);
- file->mPos += memEnd;
- return memCount;
- }
-
- int64_t write(File *restrict const file A_UNUSED,
- const void *restrict const buffer A_UNUSED,
- const uint32_t objSize A_UNUSED,
- const uint32_t objCount A_UNUSED)
- {
- return 0;
- }
-
- int64_t fileLength(File *restrict const file)
- {
- if (file == nullptr)
- return -1;
-
- return file->mSize;
- }
-
- int64_t tell(File *restrict const file)
- {
- if (file == nullptr)
- return -1;
-
- return file->mPos;
- }
-
- int seek(File *restrict const file,
- const uint64_t pos)
- {
- if (file == nullptr)
- return 0;
-
- if (pos > file->mSize)
- return 0;
- file->mPos = pos;
- return 1;
- }
-
- int eof(File *restrict const file)
- {
- if (file == nullptr)
- return -1;
-
- return static_cast<int>(file->mPos >= file->mSize);
- }
-
- const char *loadFile(FsEntry *restrict const entry,
- std::string filename,
- int &restrict fileSize)
- {
- ZipEntry *const zipEntry = static_cast<ZipEntry*>(entry);
- const std::string subDir = zipEntry->subDir;
- if (!subDir.empty())
- filename = pathJoin(subDir, filename);
- FOR_EACH (STD_VECTOR<ZipLocalHeader*>::const_iterator,
- it2,
- zipEntry->mHeaders)
- {
- const ZipLocalHeader *restrict const header = *it2;
- if (header->fileName == filename)
- {
- const uint8_t *restrict const buf =
- ZipReader::readFile(header);
- if (buf == nullptr)
- return nullptr;
-
- logger->log("Loaded %s/%s",
- entry->root.c_str(),
- filename.c_str());
-
- fileSize = header->uncompressSize;
- return reinterpret_cast<const char*>(buf);
- }
- }
- return nullptr;
- }
-} // namespace FsZip
-
-} // namespace VirtFs
generated by cgit v1.2.3-60-g2f50 (git 2.42.0) at 2024-07-10 12:49:37 +0000