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set up the new Entries array.

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This commit is contained in:
Christoph Oelckers 2023-12-12 18:17:33 +01:00
parent e9700e2771
commit ae1bd3c890
17 changed files with 347 additions and 50 deletions
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7
src/common/filesystem/include/fs_files.h
View file

@ -85,6 +85,13 @@ enum
METHOD_PPMD = 98,
METHOD_LZSS = 1337, // not used in Zips - this is for Console Doom compression
METHOD_ZLIB = 1338, // Zlib stream with header, used by compressed nodes.
METHOD_IMPLODE_MIN = 1000, // having discrete types for these avoids keeping around the GPFlags word in Zips.
METHOD_IMPLODE_0 = 1000,
METHOD_IMPLODE_2 = 1002,
METHOD_IMPLODE_4 = 1004,
METHOD_IMPLODE_6 = 1006,
METHOD_IMPLODE_MAX = 1006,
METHOD_INVALID = 0x7fff,
METHOD_TRANSFEROWNER = 0x8000,
};

60
src/common/filesystem/include/resourcefile.h
View file

@ -82,6 +82,14 @@ enum ELumpFlags
LUMPF_EMBEDDED = 4, // marks an embedded resource file for later processing.
LUMPF_SHORTNAME = 8, // the stored name is a short extension-less name
LUMPF_COMPRESSED = 16, // compressed or encrypted, i.e. cannot be read with the container file's reader.
RESFF_MAYBEFLAT = 1, // might be a flat inside a WAD outside F_START/END
RESFF_FULLPATH = 2, // contains a full path. This will trigger extended namespace checks when looking up short names.
RESFF_EMBEDDED = 4, // marks an embedded resource file for later processing.
RESFF_SHORTNAME = 8, // the stored name is a short extension-less name
RESFF_COMPRESSED = 16, // compressed or encrypted, i.e. cannot be read with the container file's reader.
RESFF_NEEDFILESTART = 32, // The real position is not known yet and needs to be calculated on access
};
// This holds a compresed Zip entry with all needed info to decompress it.
@ -172,12 +180,26 @@ protected:
};
struct FResourceEntry
{
size_t Length;
size_t CompressedSize;
const char* FileName;
size_t Position;
int ResourceID;
uint32_t CRC32;
uint16_t Flags;
uint16_t Method;
int16_t Namespace;
};
class FResourceFile
{
public:
protected:
FileReader Reader;
const char* FileName;
FResourceEntry* Entries = nullptr;
uint32_t NumLumps;
char Hash[48];
StringPool* stringpool;
@ -185,6 +207,9 @@ protected:
FResourceFile(const char *filename, StringPool* sp);
FResourceFile(const char *filename, FileReader &r, StringPool* sp);
const char* NormalizeFileName(const char* fn, int fallbackcp = 0);
void AllocateEntries(int count);
// for archives that can contain directories
void GenerateHash();
void PostProcessArchive(void *lumps, size_t lumpsize, LumpFilterInfo *filter);
@ -214,15 +239,13 @@ public:
int EntryCount() const { return NumLumps; }
int FindEntry(const char* name);
size_t Length(int entry)
size_t Length(uint32_t entry)
{
auto l = GetLump(entry);
return l ? l->LumpSize : -1;
return (entry < NumLumps) ? Entries[entry].Length : 0;
}
size_t Offset(int entry)
size_t Offset(uint32_t entry)
{
auto l = GetLump(entry);
return l ? l->GetFileOffset() : -1;
return (entry < NumLumps) ? Entries[entry].Position : 0;
}
FileReader GetEntryReader(int entry, bool newreader = true)
@ -231,22 +254,24 @@ public:
return l ? l->NewReader() : FileReader();
}
int GetEntryFlags(int entry)
int GetEntryFlags(uint32_t entry)
{
auto l = GetLump(entry);
return l ? l->Flags : 0;
return (entry < NumLumps) ? Entries[entry].Flags : 0;
}
int GetEntryNamespace(int entry)
int GetEntryNamespace(uint32_t entry)
{
auto l = GetLump(entry);
return l ? l->GetNamespace() : 0;
return (entry < NumLumps) ? Entries[entry].Namespace : ns_hidden;
}
int GetEntryResourceID(int entry)
int GetEntryResourceID(uint32_t entry)
{
auto l = GetLump(entry);
return l ? l->GetIndexNum() : 0;
return (entry < NumLumps) ? Entries[entry].ResourceID : -1;
}
const char* getName(uint32_t entry)
{
return (entry < NumLumps) ? Entries[entry].FileName : nullptr;
}
FileData Read(int entry)
@ -255,11 +280,6 @@ public:
return fr.Read();
}
const char* getName(int entry)
{
auto l = GetLump(entry);
return l ? l->FullName : nullptr;
}
FCompressedBuffer GetRawData(int entry)
{
auto l = GetLump(entry);

24
src/common/filesystem/source/file_7z.cpp
View file

@ -38,6 +38,7 @@
#include "7zCrc.h"
#include "resourcefile.h"
#include "fs_findfile.h"
#include "unicode.h"
namespace FileSys {
@ -247,12 +248,13 @@ bool F7ZFile::Open(LumpFilterInfo *filter, FileSystemMessageFunc Printf)
CSzArEx* const archPtr = &Archive->DB;
AllocateEntries(archPtr->NumFiles);
NumLumps = archPtr->NumFiles;
Lumps = new F7ZLump[NumLumps];
F7ZLump *lump_p = Lumps;
std::u16string nameUTF16;
std::string nameASCII;
std::vector<char> nameASCII;
for (uint32_t i = 0; i < NumLumps; ++i)
{
@ -273,15 +275,19 @@ bool F7ZFile::Open(LumpFilterInfo *filter, FileSystemMessageFunc Printf)
nameUTF16.resize((unsigned)nameLength);
nameASCII.resize((unsigned)nameLength);
// note that the file system is not equipped to handle non-ASCII, so don't bother with proper Unicode conversion here.
SzArEx_GetFileNameUtf16(archPtr, i, (UInt16*)nameUTF16.data());
for (size_t c = 0; c < nameLength; ++c)
{
nameASCII[c] = tolower(static_cast<char>(nameUTF16[c]));
}
FixPathSeparator(&nameASCII.front());
lump_p->LumpNameSetup(nameASCII.c_str(), stringpool);
SzArEx_GetFileNameUtf16(archPtr, i, (UInt16*)nameUTF16.data());
utf16_to_utf8((uint16_t*)nameUTF16.data(), nameASCII);
Entries[i].FileName = NormalizeFileName(nameASCII.data());
Entries[i].Length = SzArEx_GetFileSize(archPtr, i);
Entries[i].Flags = RESFF_FULLPATH|RESFF_COMPRESSED;
Entries[i].ResourceID = -1;
Entries[i].Namespace = ns_global;
Entries[i].Method = METHOD_INVALID;
Entries[i].Position = i;
lump_p->LumpNameSetup(nameASCII.data(), stringpool);
lump_p->LumpSize = static_cast<int>(SzArEx_GetFileSize(archPtr, i));
lump_p->Owner = this;
lump_p->Flags = LUMPF_FULLPATH|LUMPF_COMPRESSED;

38
src/common/filesystem/source/file_directory.cpp
View file

@ -56,10 +56,10 @@ std::wstring toWide(const char* str);
struct FDirectoryLump : public FResourceLump
{
const char* mBasePath;
FileReader NewReader() override;
int FillCache() override;
const char* mFullPath;
};
@ -73,9 +73,10 @@ class FDirectory : public FResourceFile
{
TArray<FDirectoryLump> Lumps;
const bool nosubdir;
const char* mBasePath;
int AddDirectory(const char* dirpath, LumpFilterInfo* filter, FileSystemMessageFunc Printf);
void AddEntry(const char *fullpath, const char* relpath, int size);
void AddEntry(const char* relpath, int size);
public:
FDirectory(const char * dirname, StringPool* sp, bool nosubdirflag = false);
@ -116,8 +117,17 @@ int FDirectory::AddDirectory(const char *dirpath, LumpFilterInfo* filter, FileSy
}
else
{
mBasePath = nullptr;
AllocateEntries(list.size());
for(auto& entry : list)
{
if (mBasePath == nullptr)
{
// extract the base path from the first entry to cover changes made in ScanDirectory.
auto full = entry.FilePath.find(entry.FilePathRel);
std::string path(entry.FilePath, full);
mBasePath = stringpool->Strdup(path.c_str());
}
if (!entry.isDirectory)
{
auto fi = entry.FileName;
@ -128,6 +138,7 @@ int FDirectory::AddDirectory(const char *dirpath, LumpFilterInfo* filter, FileSy
continue;
}
if (filter->filenamecheck == nullptr || filter->filenamecheck(fi.c_str(), entry.FilePath.c_str()))
{
if (entry.Length > 0x7fffffff)
@ -135,7 +146,17 @@ int FDirectory::AddDirectory(const char *dirpath, LumpFilterInfo* filter, FileSy
Printf(FSMessageLevel::Warning, "%s is larger than 2GB and will be ignored\n", entry.FilePath.c_str());
continue;
}
AddEntry(entry.FilePath.c_str(), entry.FilePathRel.c_str(), (int)entry.Length);
AddEntry(entry.FilePathRel.c_str(), (int)entry.Length);
int index = count;
// for internal access we use the normalized form of the relative path.
Entries[index].FileName = NormalizeFileName(entry.FilePathRel.c_str());
Entries[index].Length = entry.Length;
Entries[index].Flags = RESFF_FULLPATH;
Entries[index].ResourceID = -1;
Entries[index].Method = METHOD_STORED;
Entries[index].Namespace = ns_global;
index++;
count++;
}
}
@ -163,13 +184,10 @@ bool FDirectory::Open(LumpFilterInfo* filter, FileSystemMessageFunc Printf)
//
//==========================================================================
void FDirectory::AddEntry(const char *fullpath, const char* relpath, int size)
void FDirectory::AddEntry(const char* relpath, int size)
{
FDirectoryLump *lump_p = &Lumps[Lumps.Reserve(1)];
// Store the full path here so that we can access the file later, even if it is from a filter directory.
lump_p->mFullPath = stringpool->Strdup(fullpath);
// [mxd] Convert name to lowercase
std::string name = relpath;
for (auto& c : name) c = tolower(c);
@ -192,7 +210,8 @@ void FDirectory::AddEntry(const char *fullpath, const char* relpath, int size)
FileReader FDirectoryLump::NewReader()
{
FileReader fr;
fr.OpenFile(mFullPath);
std::string fn = mBasePath; fn += this->FullName;
fr.OpenFile(fn.c_str());
return fr;
}
@ -206,7 +225,8 @@ int FDirectoryLump::FillCache()
{
FileReader fr;
Cache = new char[LumpSize];
if (!fr.OpenFile(mFullPath))
std::string fn = mBasePath; fn += this->FullName;
if (!fr.OpenFile(fn.c_str()))
{
throw FileSystemException("unable to open file");
}

14
src/common/filesystem/source/file_grp.cpp
View file

@ -101,6 +101,7 @@ bool FGrpFile::Open(LumpFilterInfo* filter)
GrpHeader header;
Reader.Read(&header, sizeof(header));
AllocateEntries(header.NumLumps);
NumLumps = LittleLong(header.NumLumps);
GrpLump *fileinfo = new GrpLump[NumLumps];
@ -112,12 +113,21 @@ bool FGrpFile::Open(LumpFilterInfo* filter)
for(uint32_t i = 0; i < NumLumps; i++)
{
Entries[i].Position = Position;
Entries[i].Length = LittleLong(fileinfo[i].Size);
Position += fileinfo[i].Size;
Entries[i].Flags = 0;
Entries[i].Namespace = ns_global;
fileinfo[i].NameWithZero[12] = '\0'; // Be sure filename is null-terminated
Entries[i].ResourceID = -1;
Entries[i].Method = METHOD_STORED;
Entries[i].FileName = NormalizeFileName(fileinfo[i].Name);
Lumps[i].Owner = this;
Lumps[i].Position = Position;
Lumps[i].LumpSize = LittleLong(fileinfo[i].Size);
Lumps[i].LumpSize = Entries[i].Length;
Position += fileinfo[i].Size;
Lumps[i].Flags = 0;
fileinfo[i].NameWithZero[12] = '\0'; // Be sure filename is null-terminated
Lumps[i].LumpNameSetup(fileinfo[i].NameWithZero, stringpool);
}
GenerateHash();

9
src/common/filesystem/source/file_lump.cpp
View file

@ -68,6 +68,15 @@ FLumpFile::FLumpFile(const char *filename, FileReader &file, StringPool* sp)
bool FLumpFile::Open(LumpFilterInfo*)
{
AllocateEntries(1);
Entries[0].FileName = NormalizeFileName(ExtractBaseName(FileName, true).c_str());
Entries[0].Namespace = ns_global;
Entries[0].ResourceID = -1;
Entries[0].Position = 0;
Entries[0].Length = Reader.GetLength();
Entries[0].Method = METHOD_STORED;
Entries[0].Flags = 0;
Lumps.Resize(1);
Lumps[0].LumpNameSetup(ExtractBaseName(FileName, true).c_str(), stringpool);
Lumps[0].Owner = this;

9
src/common/filesystem/source/file_pak.cpp
View file

@ -95,6 +95,7 @@ bool FPakFile::Open(LumpFilterInfo* filter)
dpackheader_t header;
Reader.Read(&header, sizeof(header));
AllocateEntries(header.dirlen / sizeof(dpackfile_t));
NumLumps = LittleLong(header.dirlen) / sizeof(dpackfile_t);
header.dirofs = LittleLong(header.dirofs);
@ -106,6 +107,14 @@ bool FPakFile::Open(LumpFilterInfo* filter)
for(uint32_t i = 0; i < NumLumps; i++)
{
Entries[i].Position = LittleLong(fileinfo[i].filepos);
Entries[i].Length = LittleLong(fileinfo[i].filelen);
Entries[i].Flags = RESFF_FULLPATH;
Entries[i].Namespace = ns_global;
Entries[i].ResourceID = -1;
Entries[i].Method = METHOD_STORED;
Entries[i].FileName = NormalizeFileName(fileinfo[i].name);
Lumps[i].LumpNameSetup(fileinfo[i].name, stringpool);
Lumps[i].Flags = LUMPF_FULLPATH;
Lumps[i].Owner = this;

19
src/common/filesystem/source/file_rff.cpp
View file

@ -143,6 +143,7 @@ bool FRFFFile::Open(LumpFilterInfo*)
Reader.Read(&header, sizeof(header));
AllocateEntries(LittleLong(header.NumLumps));
NumLumps = LittleLong(header.NumLumps);
header.DirOfs = LittleLong(header.DirOfs);
lumps = new RFFLump[header.NumLumps];
@ -154,6 +155,23 @@ bool FRFFFile::Open(LumpFilterInfo*)
for (uint32_t i = 0; i < NumLumps; ++i)
{
Entries[i].Position = LittleLong(lumps[i].FilePos);
Entries[i].Length = LittleLong(lumps[i].Size);
Entries[i].Flags = 0;
Entries[i].Method = METHOD_STORED;
if (lumps[i].Flags & 0x10)
{
Entries[i].Flags = RESFF_COMPRESSED; // flags the lump as not directly usable
Entries[i].Method = METHOD_INVALID;
}
else
{
Entries[i].Flags = 0;
Entries[i].Method = METHOD_STORED;
}
Entries[i].Namespace = ns_global;
Entries[i].ResourceID = LittleLong(lumps[i].IndexNum);
Lumps[i].Position = LittleLong(lumps[i].FilePos);
Lumps[i].LumpSize = LittleLong(lumps[i].Size);
Lumps[i].Owner = this;
@ -174,6 +192,7 @@ bool FRFFFile::Open(LumpFilterInfo*)
name[len+3] = lumps[i].Extension[2];
name[len+4] = 0;
Lumps[i].LumpNameSetup(name, stringpool);
Entries[i].FileName = NormalizeFileName(name);
}
delete[] lumps;
GenerateHash();

24
src/common/filesystem/source/file_ssi.cpp
View file

@ -70,6 +70,7 @@ FSSIFile::FSSIFile(const char *filename, FileReader &file, StringPool* sp)
bool FSSIFile::Open(int version, int EntryCount, LumpFilterInfo*)
{
AllocateEntries(EntryCount*2);
NumLumps = EntryCount*2;
Lumps.Resize(EntryCount*2);
@ -85,7 +86,30 @@ bool FSSIFile::Open(int version, int EntryCount, LumpFilterInfo*)
fn[strlength] = 0;
int flength = Reader.ReadInt32();
Entries[i].Position = j;
Entries[i].Length = flength;
Entries[i].Flags = 0;
Entries[i].Namespace = ns_global;
Entries[i].Method = METHOD_STORED;
Entries[i].ResourceID = -1;
Entries[i].FileName = NormalizeFileName(fn);
if (strstr(fn, ".GRP")) Entries[i].Flags |= RESFF_EMBEDDED;
// SSI files can swap the order of the extension's characters - but there's no reliable detection for this and it can be mixed inside the same container,
// so we have no choice but to create another file record for the altered name.
std::swap(fn[strlength - 1], fn[strlength - 3]);
Entries[i + 1].Position = j;
Entries[i + 1].Length = flength;
Entries[i + 1].Flags = 0;
Entries[i + 1].Namespace = ns_global;
Entries[i + 1].ResourceID = -1;
Entries[i + 1].FileName = NormalizeFileName(fn);
Entries[i + 1].Method = METHOD_STORED;
if (strstr(fn, ".GRP")) Entries[i + 1].Flags |= RESFF_EMBEDDED;
// swap back...
std::swap(fn[strlength - 1], fn[strlength - 3]);
Lumps[i].LumpNameSetup(fn, stringpool);
Lumps[i].Position = j;
Lumps[i].LumpSize = flength;

35
src/common/filesystem/source/file_wad.cpp
View file

@ -37,6 +37,7 @@
#include "resourcefile.h"
#include "fs_filesystem.h"
#include "fs_swap.h"
#include "fs_stringpool.h"
namespace FileSys {
using namespace byteswap;
@ -192,8 +193,37 @@ bool FWadFile::Open(LumpFilterInfo*, FileSystemMessageFunc Printf)
Reader.Seek (InfoTableOfs, FileReader::SeekSet);
Reader.Read (fileinfo.Data(), NumLumps * sizeof(wadlump_t));
AllocateEntries(NumLumps);
Lumps.Resize(NumLumps);
for(uint32_t i = 0; i < NumLumps; i++)
{
// WAD only supports ASCII. It is also the only format which can use valid backslashes in its names.
char n[9];
int ishigh = 0;
for (int j = 0; j < 8; j++)
{
if (fileinfo[i].Name[j] & 0x80) ishigh |= 1 << j;
n[j] = tolower(fileinfo[i].Name[j]);
}
n[8] = 0;
if (ishigh == 1) n[0] &= 0x7f;
else if (ishigh > 1)
{
// This may not end up printing something proper because we do not know what encoding might have been used.
Printf(FSMessageLevel::Warning, "%s: Lump name %s contains invalid characters\n", FileName, Lumps[i].getName());
}
Entries[i].FileName = nullptr;
Entries[i].Position = isBigEndian ? BigLong(fileinfo[i].FilePos) : LittleLong(fileinfo[i].FilePos);
Entries[i].Length = isBigEndian ? BigLong(fileinfo[i].Size) : LittleLong(fileinfo[i].Size);
Entries[i].Namespace = ns_global;
Entries[i].Flags = ishigh? RESFF_SHORTNAME | RESFF_COMPRESSED : RESFF_SHORTNAME;
Entries[i].Method = ishigh == 1? METHOD_LZSS : METHOD_STORED;
Entries[i].FileName = stringpool->Strdup(n);
// This doesn't set up the namespace yet.
}
for(uint32_t i = 0; i < NumLumps; i++)
{
char n[9];
@ -238,6 +268,11 @@ bool FWadFile::Open(LumpFilterInfo*, FileSystemMessageFunc Printf)
SetNamespace("HI_START", "HI_END", ns_hires, Printf);
SetNamespace("VX_START", "VX_END", ns_voxels, Printf);
SkinHack(Printf);
for (uint32_t i = 0; i < NumLumps; i++)
{
Entries[i].Namespace = Lumps[i].Namespace;
}
return true;
}

25
src/common/filesystem/source/file_whres.cpp
View file

@ -84,24 +84,43 @@ bool FWHResFile::Open(LumpFilterInfo*)
int nl =1024/3;
Lumps.Resize(nl);
int k;
for (k = 0; k < nl; k++)
{
uint32_t offset = LittleLong(directory[k * 3]) * 4096;
uint32_t length = LittleLong(directory[k * 3 + 1]);
if (length == 0)
{
break;
}
}
AllocateEntries(k);
NumLumps = k;
int i = 0;
for(int k = 0; k < nl; k++)
for(k = 0; k < NumLumps; k++)
{
uint32_t offset = LittleLong(directory[k*3]) * 4096;
uint32_t length = LittleLong(directory[k*3+1]);
if (length == 0) break;
char num[6];
snprintf(num, 6, "/%04d", k);
std::string synthname = BaseName;
synthname += num;
Entries[i].Position = offset;
Entries[i].Length = length;
Entries[i].Flags = RESFF_FULLPATH;
Entries[i].Namespace = ns_global;
Entries[i].ResourceID = -1;
Entries[i].Method = METHOD_STORED;
Entries[i].FileName = NormalizeFileName(synthname.c_str());
Lumps[i].LumpNameSetup(synthname.c_str(), stringpool);
Lumps[i].Owner = this;
Lumps[i].Position = offset;
Lumps[i].LumpSize = length;
i++;
}
NumLumps = i;
Lumps.Clamp(NumLumps);
Lumps.ShrinkToFit();
return true;

46
src/common/filesystem/source/file_zip.cpp
View file

@ -40,6 +40,7 @@
#include "ancientzip.h"
#include "fs_findfile.h"
#include "fs_swap.h"
#include "fs_stringpool.h"
namespace FileSys {
using namespace byteswap;
@ -75,7 +76,21 @@ static bool UncompressZipLump(char *Cache, FileReader &Reader, int Method, ptrdi
break;
}
// Fixme: These should also use a stream
case METHOD_IMPLODE_0:
case METHOD_IMPLODE_2:
case METHOD_IMPLODE_4:
case METHOD_IMPLODE_6:
{
FZipExploder exploder;
if (exploder.Explode((unsigned char*)Cache, (unsigned)LumpSize, Reader, (unsigned)CompressedSize, Method - METHOD_IMPLODE_MIN) == -1)
{
// decompression failed so zero the cache.
memset(Cache, 0, LumpSize);
}
break;
}
// This can go away once we are done with FResourceLump
case METHOD_IMPLODE:
{
FZipExploder exploder;
@ -311,6 +326,8 @@ bool FZipFile::Open(LumpFilterInfo* filter, FileSystemMessageFunc Printf)
dirptr = (char*)directory;
lump_p = Lumps;
AllocateEntries(NumLumps);
auto Entry = Entries;
for (uint32_t i = 0; i < NumLumps; i++)
{
FZipCentralDirectoryInfo *zip_fh = (FZipCentralDirectoryInfo *)dirptr;
@ -399,6 +416,26 @@ bool FZipFile::Open(LumpFilterInfo* filter, FileSystemMessageFunc Printf)
}
}
Entry->FileName = NormalizeFileName(name.c_str());
Entry->Length = UncompressedSize;
// The start of the Reader will be determined the first time it is accessed.
Entry->Flags = RESFF_FULLPATH | RESFF_NEEDFILESTART;
Entry->Method = uint8_t(zip_fh->Method);
if (Entry->Method != METHOD_STORED) Entry->Flags |= RESFF_COMPRESSED;
if (Entry->Method == METHOD_IMPLODE)
{
// merge the flags into the compression method to tag less data around.
if ((zip_fh->Flags & 6) == 2) Entry->Method = METHOD_IMPLODE_2;
else if ((zip_fh->Flags & 6) == 4) Entry->Method = METHOD_IMPLODE_4;
else if ((zip_fh->Flags & 6) == 6) Entry->Method = METHOD_IMPLODE_6;
else Entry->Method = METHOD_IMPLODE_0;
}
Entry->CRC32 = zip_fh->CRC32;
Entry->CompressedSize = CompressedSize;
Entry->Position = LocalHeaderOffset;
Entry++;
lump_p->LumpNameSetup(name.c_str(), stringpool);
lump_p->LumpSize = UncompressedSize;
lump_p->Owner = this;
@ -407,6 +444,13 @@ bool FZipFile::Open(LumpFilterInfo* filter, FileSystemMessageFunc Printf)
lump_p->NeedFileStart = true;
lump_p->Method = uint8_t(zip_fh->Method);
if (lump_p->Method != METHOD_STORED) lump_p->Flags |= LUMPF_COMPRESSED;
/*if (lump_p->Method == METHOD_IMPLODE)
{
// merge the flags into the compression method to tag less data around.
if ((zip_fh->Flags & 6) == 2) lump_p->Method = METHOD_IMPLODE_2;
if ((zip_fh->Flags & 6) == 4) lump_p->Method = METHOD_IMPLODE_4;
if ((zip_fh->Flags & 6) == 6) lump_p->Method = METHOD_IMPLODE_6;
}*/
lump_p->GPFlags = zip_fh->Flags;
lump_p->CRC32 = zip_fh->CRC32;
lump_p->CompressedSize = CompressedSize;

1
src/common/filesystem/source/file_zip.h
View file

@ -28,7 +28,6 @@ private:
FCompressedBuffer GetRawData();
};
//==========================================================================
//
// Zip file

4
src/common/filesystem/source/filesystem.cpp
View file

@ -101,6 +101,10 @@ struct FileSystem::LumpRecord
void SetFromLump(FResourceFile* file, int fileindex, int filenum, StringPool* sp, const char* name = nullptr)
{
if (fileindex == 649 && filenum == 0)
{
int a = 0;
}
resfile = file;
resindex = fileindex;
rfnum = filenum;

6
src/common/filesystem/source/fs_stringpool.cpp
View file

@ -104,10 +104,12 @@ StringPool::Block *StringPool::AddBlock(size_t size)
return mem;
}
void *StringPool::iAlloc(size_t size)
void *StringPool::Alloc(size_t size)
{
Block *block;
size = ((size)+8) & ~7;
for (block = TopBlock; block != nullptr; block = block->NextBlock)
{
void *res = block->Alloc(size);
@ -122,7 +124,7 @@ void *StringPool::iAlloc(size_t size)
const char* StringPool::Strdup(const char* str)
{
char* p = (char*)iAlloc((strlen(str) + 8) & ~7 );
char* p = (char*)Alloc(strlen(str));
strcpy(p, str);
return p;
}

2
src/common/filesystem/source/fs_stringpool.h
View file

@ -12,12 +12,12 @@ private:
public:
~StringPool();
const char* Strdup(const char*);
void* Alloc(size_t size);
protected:
struct Block;
Block *AddBlock(size_t size);
void *iAlloc(size_t size);
Block *TopBlock;
Block *FreeBlocks;

74
src/common/filesystem/source/resourcefile.cpp
View file

@ -39,6 +39,8 @@
#include "md5.hpp"
#include "fs_stringpool.h"
#include "files_internal.h"
#include "unicode.h"
#include "fs_findfile.h"
namespace FileSys {
@ -347,6 +349,59 @@ FResourceFile::~FResourceFile()
if (!stringpool->shared) delete stringpool;
}
//==========================================================================
//
// normalize the visible file name in the system
// to lowercase canonical precomposed Unicode.
//
//==========================================================================
const char* FResourceFile::NormalizeFileName(const char* fn, int fallbackcp)
{
if (!fn || !*fn) return "";
auto norm = tolower_normalize(fn);
if (!norm)
{
if (fallbackcp == 437)
{
std::vector<char> buffer;
ibm437_to_utf8(fn, buffer);
norm = tolower_normalize(buffer.data());
}
// maybe handle other codepages
else
{
// if the filename is not valid UTF-8, nuke all bytes larger than 0x80 so that we still got something semi-usable
std::string ffn = fn;
for (auto& c : ffn)
{
if (c & 0x80) c = '@';
}
norm = tolower_normalize(&ffn.front());
}
}
FixPathSeparator(norm);
auto pooled = stringpool->Strdup(norm);
free(norm);
return pooled;
}
//==========================================================================
//
// allocate the Entries array
// this also uses the string pool to reduce maintenance
//
//==========================================================================
void FResourceFile::AllocateEntries(int count)
{
NumLumps = count;
Entries = (FResourceEntry*)stringpool->Alloc(count * sizeof(FResourceEntry));
}
//---------------------------------------------------
int lumpcmp(const void * a, const void * b)
{
FResourceLump * rec1 = (FResourceLump *)a;
@ -354,6 +409,14 @@ int lumpcmp(const void * a, const void * b)
return stricmp(rec1->getName(), rec2->getName());
}
int entrycmp(const void* a, const void* b)
{
FResourceEntry* rec1 = (FResourceEntry*)a;
FResourceEntry* rec2 = (FResourceEntry*)b;
// we are comparing lowercase UTF-8 here
return strcmp(rec1->FileName, rec2->FileName);
}
//==========================================================================
//
// FResourceFile :: GenerateHash
@ -402,8 +465,12 @@ void FResourceFile::GenerateHash()
void FResourceFile::PostProcessArchive(void *lumps, size_t lumpsize, LumpFilterInfo *filter)
{
// Entries in archives are sorted alphabetically
qsort(lumps, NumLumps, lumpsize, lumpcmp);
// only do this for archive types which contain full file names. All others are assumed to be pre-sorted.
//if (NumLumps < 2 || !(Entries[0].Flags & RESFF_FULLPATH)) return;
// Entries in archives are sorted alphabetically (for now skip the sorting because both arrays might disagree due to file name postprocessing.)
//qsort(lumps, NumLumps, lumpsize, lumpcmp);
//qsort(Entries, NumLumps, sizeof(Entries[0]), entrycmp);
if (!filter) return;
// Filter out lumps using the same names as the Autoload.* sections
@ -460,8 +527,10 @@ int FResourceFile::FilterLumps(const std::string& filtername, void *lumps, size_
FResourceLump *lump = (FResourceLump *)lump_p;
assert(strnicmp(lump->FullName, filter.c_str(), filter.length()) == 0);
lump->LumpNameSetup(lump->FullName + filter.length(), nullptr);
Entries[i].FileName += filter.length();
}
#if 0 // disabled until everything is clean again
// Move filtered lumps to the end of the lump list.
size_t count = (end - start) * lumpsize;
void *to = (uint8_t *)lumps + NumLumps * lumpsize - count;
@ -481,6 +550,7 @@ int FResourceFile::FilterLumps(const std::string& filtername, void *lumps, size_
delete[] filteredlumps;
}
#endif
}
return end - start;
}