mirror of
https://github.com/ZDoom/Raze.git
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269 lines
6.9 KiB
C++
269 lines
6.9 KiB
C++
/*
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** file_directory.cpp
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**
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**---------------------------------------------------------------------------
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** Copyright 2008-2009 Randy Heit
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** Copyright 2009 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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**
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*/
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#include <sys/stat.h>
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#ifdef _WIN32
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#include <io.h>
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#else
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#include <fts.h>
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#endif
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#include "resourcefile.h"
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#include "cmdlib.h"
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#include "printf.h"
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#include "i_system.h"
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//==========================================================================
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//
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// Zip Lump
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//
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//==========================================================================
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struct FDirectoryLump : public FResourceLump
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{
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virtual FileReader NewReader() override;
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int ValidateCache() override;
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FString mFullPath;
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};
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//==========================================================================
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//
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// Zip file
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//
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//==========================================================================
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class FDirectory : public FResourceFile
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{
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TArray<FDirectoryLump> Lumps;
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const bool nosubdir;
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int AddDirectory(const char *dirpath);
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void AddEntry(const char *fullpath, int size);
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public:
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FDirectory(const char * dirname, bool nosubdirflag = false);
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bool Open(bool quiet);
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virtual FResourceLump *GetLump(int no) { return ((unsigned)no < NumLumps)? &Lumps[no] : NULL; }
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};
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//==========================================================================
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//
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//
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//
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//==========================================================================
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FDirectory::FDirectory(const char * directory, bool nosubdirflag)
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: FResourceFile(NULL), nosubdir(nosubdirflag)
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{
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FString dirname;
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#ifdef _WIN32
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directory = _fullpath(NULL, directory, _MAX_PATH);
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#else
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// Todo for Linux: Resolve the path before using it
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#endif
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dirname = directory;
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#ifdef _WIN32
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free((void *)directory);
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#endif
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dirname.Substitute("\\", "/");
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if (dirname[dirname.Len()-1] != '/') dirname += '/';
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FileName = dirname;
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}
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//==========================================================================
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//
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// Windows version
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//
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//==========================================================================
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int FDirectory::AddDirectory(const char *dirpath)
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{
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void * handle;
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int count = 0;
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FString dirmatch = dirpath;
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findstate_t find;
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dirmatch += '*';
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handle = I_FindFirst(dirmatch.GetChars(), &find);
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if (handle == ((void *)(-1)))
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{
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Printf("Could not scan '%s': %s\n", dirpath, strerror(errno));
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}
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else
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{
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do
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{
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// I_FindName only returns the file's name and not its full path
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auto attr = I_FindAttr(&find);
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if (attr & FA_HIDDEN)
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{
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// Skip hidden files and directories. (Prevents SVN bookkeeping
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// info from being included.)
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continue;
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}
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FString fi = I_FindName(&find);
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if (attr & FA_DIREC)
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{
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if (nosubdir || (fi[0] == '.' &&
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(fi[1] == '\0' ||
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(fi[1] == '.' && fi[2] == '\0'))))
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{
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// Movie and music subdirectories must always pass.
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if (fi.CompareNoCase("movie") && fi.CompareNoCase("music"))
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// Skip if requested and do not record . and .. directories.
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continue;
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}
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FString newdir = dirpath;
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newdir << fi << '/';
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count += AddDirectory(newdir);
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}
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else
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{
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if (strstr(fi, ".orig") || strstr(fi, ".bak"))
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{
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// We shouldn't add backup files to the file system
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continue;
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}
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size_t size = 0;
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FString fn = FString(dirpath) + fi;
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if (GetFileInfo(fn, &size, nullptr))
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{
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AddEntry(fn, size);
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count++;
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}
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}
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} while (I_FindNext (handle, &find) == 0);
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I_FindClose (handle);
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}
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return count;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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bool FDirectory::Open(bool quiet)
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{
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NumLumps = AddDirectory(FileName);
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if (!quiet) Printf(", %d lumps\n", NumLumps);
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PostProcessArchive(&Lumps[0], sizeof(FDirectoryLump));
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return true;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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void FDirectory::AddEntry(const char *fullpath, int size)
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{
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FDirectoryLump *lump_p = &Lumps[Lumps.Reserve(1)];
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// Store the full path here so that we can access the file later, even if it is from a filter directory.
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lump_p->mFullPath = fullpath;
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// [mxd] Convert name to lowercase
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FString name = fullpath + strlen(FileName);
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name.ToLower();
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// The lump's name is only the part relative to the main directory
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lump_p->LumpNameSetup(name);
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lump_p->LumpSize = size;
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lump_p->Owner = this;
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lump_p->Flags = 0;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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FileReader FDirectoryLump::NewReader()
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{
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FileReader fr;
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fr.OpenFile(mFullPath);
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return fr;
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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int FDirectoryLump::ValidateCache()
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{
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FileReader fr;
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if (!fr.OpenFile(mFullPath))
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{
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memset(Cache.Data(), 0, LumpSize);
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return 0;
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}
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LumpSize = fr.GetLength(); // keep this updated
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Cache.Resize(LumpSize);
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fr.Read(Cache.Data(), LumpSize);
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return 1;
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}
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//==========================================================================
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//
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// File open
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//
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//==========================================================================
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FResourceFile *CheckDir(const char *filename, bool quiet, bool nosubdirflag)
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{
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FResourceFile *rf = new FDirectory(filename, nosubdirflag);
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if (rf->Open(quiet)) return rf;
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delete rf;
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return NULL;
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}
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