Move physfs related functions into virtfsphys file.

1 files changed, 307 insertions, 0 deletions

diff --git a/src/fs/virtfsphys.cpp b/src/fs/virtfsphys.cpp
new file mode 100644
index 000000000..16b2c40df
--- /dev/null
+++ b/src/fs/virtfsphys.cpp
@@ -0,0 +1,307 @@
+/*
+ *  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/virtfsphys.h"
+
+#include "fs/virtfile.h"
+#include "fs/virtfileprivate.h"
+#include "fs/virtlist.h"
+
+#include "utils/checkutils.h"
+
+#include <iostream>
+#include <unistd.h>
+
+#ifdef ANDROID
+#include "fs/paths.h"
+#endif  // ANDROID
+
+#include "debug.h"
+
+namespace
+{
+    const char *dirSeparator = nullptr;
+}  // namespace
+
+namespace VirtFsPhys
+{
+#if defined(__native_client__)
+    void init(const std::string &restrict name A_UNUSED)
+    {
+        if (!PHYSFS_init("/fakebinary"))
+#elif defined(ANDROID)
+    void init(const std::string &restrict name A_UNUSED)
+    {
+        if (!PHYSFS_init((getRealPath(".").append("/fakebinary")).c_str()))
+#else  // defined(__native_client__)
+
+    void init(const std::string &restrict name)
+    {
+        if (!PHYSFS_init(name.c_str()))
+#endif  // defined(__native_client__)
+        {
+            std::cout << "Error while initializing PhysFS: "
+                << VirtFsPhys::getLastError() << std::endl;
+            _exit(1);
+        }
+        updateDirSeparator();
+        atexit(reinterpret_cast<void(*)()>(PHYSFS_deinit));
+    }
+
+    void updateDirSeparator()
+    {
+        dirSeparator = PHYSFS_getDirSeparator();
+    }
+
+    const char *getDirSeparator()
+    {
+        return dirSeparator;
+    }
+
+    const char *getBaseDir()
+    {
+        return PHYSFS_getBaseDir();
+    }
+
+    const char *getUserDir()
+    {
+        return PHYSFS_getUserDir();
+    }
+
+    bool exists(const std::string &restrict name)
+    {
+        return PHYSFS_exists(name.c_str());
+    }
+
+    VirtList *enumerateFiles(const std::string &restrict dir)
+    {
+        char ** handle = PHYSFS_enumerateFiles(dir.c_str());
+        VirtList *const files = new VirtList;
+        if (handle == nullptr)
+            return files;
+        for (const char *const *i = handle; *i; i++)
+        {
+            std::string str = *i;
+            files->names.push_back(str);
+        }
+        PHYSFS_freeList(handle);
+        return files;
+    }
+
+    bool isDirectory(const std::string &restrict name)
+    {
+        return PHYSFS_isDirectory(name.c_str());
+    }
+
+    bool isSymbolicLink(const std::string &restrict name)
+    {
+        return PHYSFS_isSymbolicLink(name.c_str());
+    }
+
+    void freeList(VirtList *restrict const handle)
+    {
+        delete handle;
+    }
+
+    VirtFile *openRead(const std::string &restrict filename)
+    {
+        PHYSFS_file *restrict const handle = PHYSFS_openRead(
+            filename.c_str());
+        if (!handle)
+            return nullptr;
+        VirtFile *restrict const file = new VirtFile;
+        file->mPrivate = new VirtFilePrivate(handle);
+        return file;
+    }
+
+    VirtFile *openWrite(const std::string &restrict filename)
+    {
+        PHYSFS_file *restrict const handle = PHYSFS_openWrite(
+            filename.c_str());
+        if (!handle)
+            return nullptr;
+        VirtFile *restrict const file = new VirtFile;
+        file->mPrivate = new VirtFilePrivate(handle);
+        return file;
+    }
+
+    VirtFile *openAppend(const std::string &restrict filename)
+    {
+        PHYSFS_file *restrict const handle = PHYSFS_openAppend(
+            filename.c_str());
+        if (!handle)
+            return nullptr;
+        VirtFile *restrict const file = new VirtFile;
+        file->mPrivate = new VirtFilePrivate(handle);
+        return file;
+    }
+
+    bool setWriteDir(const std::string &restrict newDir)
+    {
+        return PHYSFS_setWriteDir(newDir.c_str());
+    }
+
+    bool addDirToSearchPath(const std::string &restrict newDir,
+                            const Append append)
+    {
+        logger->log("Add virtual directory: " + newDir);
+        if (newDir.find(".zip") != std::string::npos)
+        {
+            reportAlways("Called addDirToSearchPath with zip archive");
+            return false;
+        }
+        return PHYSFS_addToSearchPath(newDir.c_str(),
+            append == Append_true ? 1 : 0);
+    }
+
+    bool removeDirFromSearchPath(const std::string &restrict oldDir)
+    {
+        logger->log("Remove virtual directory: " + oldDir);
+        if (oldDir.find(".zip") != std::string::npos)
+        {
+            reportAlways("Called removeDirFromSearchPath with zip archive");
+            return false;
+        }
+        return PHYSFS_removeFromSearchPath(oldDir.c_str());
+    }
+
+    bool addZipToSearchPath(const std::string &restrict newDir,
+                            const Append append)
+    {
+        logger->log("Add virtual zip: " + newDir);
+        if (newDir.find(".zip") == std::string::npos)
+        {
+            reportAlways("Called addZipToSearchPath without zip archive");
+            return false;
+        }
+        return PHYSFS_addToSearchPath(newDir.c_str(),
+            append == Append_true ? 1 : 0);
+    }
+
+    bool removeZipFromSearchPath(const std::string &restrict oldDir)
+    {
+        logger->log("Remove virtual zip: " + oldDir);
+        if (oldDir.find(".zip") == std::string::npos)
+        {
+            reportAlways("Called removeZipFromSearchPath without zip archive");
+            return false;
+        }
+        return PHYSFS_removeFromSearchPath(oldDir.c_str());
+    }
+
+    std::string getRealDir(const std::string &restrict filename)
+    {
+        const char *const str = PHYSFS_getRealDir(filename.c_str());
+        if (str == nullptr)
+            return std::string();
+        return str;
+    }
+
+    bool mkdir(const std::string &restrict dirname)
+    {
+        return PHYSFS_mkdir(dirname.c_str());
+    }
+
+    bool remove(const std::string &restrict filename)
+    {
+        return PHYSFS_delete(filename.c_str());
+    }
+
+    bool deinit()
+    {
+        if (PHYSFS_deinit() != 0)
+        {
+            logger->log("Physfs deinit error: %s",
+                VirtFsPhys::getLastError());
+            return false;
+        }
+        return true;
+    }
+
+    void permitLinks(const bool val)
+    {
+        PHYSFS_permitSymbolicLinks(val ? 1 : 0);
+    }
+
+    const char *getLastError()
+    {
+        return PHYSFS_getLastError();
+    }
+
+    int close(VirtFile *restrict const file)
+    {
+        if (file == nullptr)
+            return 0;
+        delete file;
+        return 1;
+    }
+
+    int64_t read(VirtFile *restrict const file,
+                 void *restrict const buffer,
+                 const uint32_t objSize,
+                 const uint32_t objCount)
+    {
+        if (file == nullptr)
+            return 0;
+        return PHYSFS_read(file->mPrivate->mFile,
+            buffer,
+            objSize,
+            objCount);
+    }
+
+    int64_t write(VirtFile *restrict const file,
+                  const void *restrict const buffer,
+                  const uint32_t objSize,
+                  const uint32_t objCount)
+    {
+        if (file == nullptr)
+            return 0;
+        return PHYSFS_write(file->mPrivate->mFile,
+            buffer,
+            objSize,
+            objCount);
+    }
+
+    int64_t fileLength(VirtFile *restrict const file)
+    {
+        if (file == nullptr)
+            return -1;
+        return PHYSFS_fileLength(file->mPrivate->mFile);
+    }
+
+    int64_t tell(VirtFile *restrict const file)
+    {
+        if (file == nullptr)
+            return -1;
+        return PHYSFS_tell(file->mPrivate->mFile);
+    }
+
+    int seek(VirtFile *restrict const file,
+             const uint64_t pos)
+    {
+        return PHYSFS_seek(file->mPrivate->mFile,
+            pos);
+    }
+
+    int eof(VirtFile *restrict const file)
+    {
+        return PHYSFS_eof(file->mPrivate->mFile);
+    }
+}  // namespace VirtFsPhys