SourcePP
Several modern C++20 libraries for sanely parsing Valve's formats.
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vpkpp::PCK Class Reference

#include <PCK.h>

Inheritance diagram for vpkpp::PCK:
Collaboration diagram for vpkpp::PCK:

Classes

struct  Header
 

Public Member Functions

constexpr std::string_view getGUID () const override
 Get the GUID corresponding to the pack file type.
 
constexpr bool isCaseSensitive () const override
 Does the format support case-sensitive file names?
 
std::optional< std::vector< std::byte > > readEntry (const std::string &path_) const override
 Try to read the entry's data to a bytebuffer.
 
bool bake (const std::string &outputDir_, BakeOptions options, const EntryCallback &callback) override
 If output folder is an empty string, it will overwrite the original.
 
Attribute getSupportedEntryAttributes () const override
 Returns a list of supported entry attributes Mostly for GUI programs that show entries and their metadata in a table ;)
 
 operator std::string () const override
 
uint32_t getVersion () const
 Returns 1 for v1, 2 for v2.
 
void setVersion (uint32_t version)
 Change the version of the PCK. Valid values are 1 and 2.
 
std::tuple< uint32_t, uint32_t, uint32_t > getGodotVersion () const
 
void setGodotVersion (uint32_t major, uint32_t minor=0, uint32_t patch=0)
 
- Public Member Functions inherited from vpkpp::PackFile
 PackFile (const PackFile &other)=delete
 
PackFileoperator= (const PackFile &other)=delete
 
 PackFile (PackFile &&other) noexcept=default
 
PackFileoperator= (PackFile &&other) noexcept=default
 
virtual ~PackFile ()=default
 
virtual constexpr std::string_view getGUID () const =0
 Get the GUID corresponding to the pack file type.
 
template<typename T >
requires requires (const T&) {{T::GUID} -> std::convertible_to<std::string_view>;}
bool isInstanceOf () const
 Check if the pack file is an instance of the given pack file class.
 
virtual constexpr bool hasEntryChecksums () const
 Returns true if the format has a checksum for each entry.
 
virtual std::vector< std::string > verifyEntryChecksums () const
 Verify the checksums of each file, if a file fails the check its path will be added to the vector If there is no checksum ability in the format, it will return an empty vector.
 
virtual bool hasPackFileChecksum () const
 Returns true if the entire file has a checksum.
 
virtual bool verifyPackFileChecksum () const
 Verify the checksum of the entire file, returns true on success Will return true if there is no checksum ability in the format.
 
virtual bool hasPackFileSignature () const
 Returns true if the file is signed.
 
virtual bool verifyPackFileSignature () const
 Verify the file signature, returns true on success Will return true if there is no signature ability in the format.
 
virtual constexpr bool isCaseSensitive () const
 Does the format support case-sensitive file names?
 
bool hasEntry (const std::string &path, bool includeUnbaked=true) const
 Check if an entry exists given the file path.
 
std::optional< EntryfindEntry (const std::string &path_, bool includeUnbaked=true) const
 Try to find an entry given the file path.
 
virtual std::optional< std::vector< std::byte > > readEntry (const std::string &path_) const =0
 Try to read the entry's data to a bytebuffer.
 
std::optional< std::string > readEntryText (const std::string &path) const
 Try to read the entry's data to a string.
 
virtual constexpr bool isReadOnly () const noexcept
 
void addEntry (const std::string &entryPath, const std::string &filepath, EntryOptions options={})
 Add a new entry from a file path - the first parameter is the path in the PackFile, the second is the path on disk.
 
void addEntry (const std::string &path, std::vector< std::byte > &&buffer, EntryOptions options={})
 Add a new entry from a buffer.
 
void addEntry (const std::string &path, const std::byte *buffer, uint64_t bufferLen, EntryOptions options={})
 Add a new entry from a buffer.
 
void addDirectory (const std::string &entryBaseDir, const std::string &dir, EntryOptions options={})
 Adds new entries using the contents of a given directory.
 
void addDirectory (const std::string &entryBaseDir, const std::string &dir, const EntryCreation &creation)
 Adds new entries using the contents of a given directory.
 
virtual bool renameEntry (const std::string &oldPath_, const std::string &newPath_)
 Rename an existing entry.
 
virtual bool renameDirectory (const std::string &oldDir_, const std::string &newDir_)
 Rename an existing directory.
 
virtual bool removeEntry (const std::string &path_)
 Remove an entry.
 
virtual std::size_t removeDirectory (const std::string &dirName_)
 Remove a directory.
 
virtual bool bake (const std::string &outputDir_, BakeOptions options, const EntryCallback &callback)=0
 If output folder is an empty string, it will overwrite the original.
 
bool extractEntry (const std::string &entryPath, const std::string &filepath) const
 Extract the given entry to disk at the given file path.
 
bool extractDirectory (const std::string &dir_, const std::string &outputDir) const
 Extract the given directory to disk under the given output directory.
 
bool extractAll (const std::string &outputDir, bool createUnderPackFileDir=true) const
 Extract the contents of the pack file to disk at the given directory.
 
bool extractAll (const std::string &outputDir, const EntryPredicate &predicate, bool stripSharedDirs=true) const
 Extract the contents of the pack file to disk at the given directory - only entries which match the predicate are extracted.
 
const EntryTriegetBakedEntries () const
 Get entries saved to disk.
 
const EntryTriegetUnbakedEntries () const
 Get entries that have been added but not yet baked.
 
std::size_t getEntryCount (bool includeUnbaked=true) const
 Get the number of entries in the pack file.
 
void runForAllEntries (const EntryCallback &operation, bool includeUnbaked=true) const
 Run a callback for each entry in the pack file.
 
void runForAllEntries (const std::string &parentDir, const EntryCallback &operation, bool recursive=true, bool includeUnbaked=true) const
 Run a callback for each entry in the pack file under the parent directory.
 
std::string_view getFilepath () const
 /home/user/pak01_dir.vpk
 
std::string getTruncatedFilepath () const
 /home/user/pak01_dir.vpk -> /home/user/pak01
 
std::string getFilename () const
 /home/user/pak01_dir.vpk -> pak01_dir.vpk
 
std::string getTruncatedFilename () const
 /home/user/pak01_dir.vpk -> pak01.vpk
 
std::string getFilestem () const
 /home/user/pak01_dir.vpk -> pak01_dir
 
virtual std::string getTruncatedFilestem () const
 /home/user/pak01_dir.vpk -> pak01
 
virtual Attribute getSupportedEntryAttributes () const
 Returns a list of supported entry attributes Mostly for GUI programs that show entries and their metadata in a table ;)
 
virtual operator std::string () const
 

Static Public Member Functions

static std::unique_ptr< PackFilecreate (const std::string &path, uint32_t version=2, uint32_t godotMajorVersion=0, uint32_t godotMinorVersion=0, uint32_t godotPatchVersion=0)
 Create a new PCK file.
 
static std::unique_ptr< PackFileopen (const std::string &path, const EntryCallback &callback=nullptr)
 Open a PCK file (potentially embedded in an executable)
 
- Static Public Member Functions inherited from vpkpp::PackFile
static std::unique_ptr< PackFileopen (const std::string &path, const EntryCallback &callback=nullptr)
 Open a generic pack file. The parser is selected based on the file extension.
 
static std::vector< std::string > getOpenableExtensions ()
 Returns a sorted list of supported extensions for opening, e.g. {".bsp", ".vpk"}.
 
static std::string escapeEntryPathForWrite (const std::string &path)
 On Windows, some characters and file names are invalid - this escapes the given entry path.
 

Static Public Attributes

static constexpr std::string_view GUID = "28F4A6FF40EB46E38D47EEC6EFB47C4F"
 

Protected Types

enum  FlagsDirV2 : uint32_t { FLAG_DIR_NONE = 0 , FLAG_DIR_ENCRYPTED = 1 << 0 , FLAG_DIR_RELATIVE_FILE_DATA = 1 << 1 }
 
enum  FlagsFileV2 : uint32_t { FLAG_FILE_NONE = 0 , FLAG_FILE_ENCRYPTED = 1 << 0 , FLAG_FILE_REMOVED = 1 << 1 }
 
- Protected Types inherited from vpkpp::PackFile
using OpenFactoryFunction = std::function< std::unique_ptr< PackFile >(const std::string &path, const EntryCallback &callback)>
 

Protected Member Functions

void addEntryInternal (Entry &entry, const std::string &path, std::vector< std::byte > &buffer, EntryOptions options) override
 
 PackFile (const PackFile &other)=delete
 
 PackFile (PackFile &&other) noexcept=default
 
 PackFile (std::string fullFilePath_)
 
- Protected Member Functions inherited from vpkpp::PackFile
 PackFile (std::string fullFilePath_)
 
void runForAllEntriesInternal (const std::function< void(const std::string &, Entry &)> &operation, bool includeUnbaked=true)
 
void runForAllEntriesInternal (const std::string &parentDir, const std::function< void(const std::string &, Entry &)> &operation, bool recursive=true, bool includeUnbaked=true)
 
std::vector< std::string > verifyEntryChecksumsUsingCRC32 () const
 
virtual void addEntryInternal (Entry &entry, const std::string &path, std::vector< std::byte > &buffer, EntryOptions options)=0
 
std::string getBakeOutputDir (const std::string &outputDir) const
 
void mergeUnbakedEntries ()
 
void setFullFilePath (const std::string &outputDir)
 
std::string cleanEntryPath (const std::string &path) const
 

Protected Attributes

Header header {}
 
std::size_t startOffset = 0
 
std::size_t dataOffset = 0
 
- Protected Attributes inherited from vpkpp::PackFile
std::string fullFilePath
 
EntryTrie entries
 
EntryTrie unbakedEntries
 

Additional Inherited Members

- Public Types inherited from vpkpp::PackFile
template<typename R >
using EntryCallbackBase = std::function< R(const std::string &path, const Entry &entry)>
 Accepts the entry's path and metadata.
 
using EntryCallback = EntryCallbackBase< void >
 
using EntryPredicate = EntryCallbackBase< bool >
 
using EntryCreation = std::function< EntryOptions(const std::string &path)>
 
using EntryTrie = tsl::htrie_map< char, Entry >
 
- Static Protected Member Functions inherited from vpkpp::PackFile
static Entry createNewEntry ()
 
static std::optional< std::vector< std::byte > > readUnbakedEntry (const Entry &entry)
 
static std::unordered_map< std::string, std::vector< OpenFactoryFunction > > & getOpenExtensionRegistry ()
 
static const OpenFactoryFunctionregisterOpenExtensionForTypeFactory (std::string_view extension, const OpenFactoryFunction &factory)
 

Detailed Description

Definition at line 13 of file PCK.h.

Member Enumeration Documentation

◆ FlagsDirV2

enum vpkpp::PCK::FlagsDirV2 : uint32_t
protected
Enumerator
FLAG_DIR_NONE 
FLAG_DIR_ENCRYPTED 
FLAG_DIR_RELATIVE_FILE_DATA 

Definition at line 15 of file PCK.h.

◆ FlagsFileV2

enum vpkpp::PCK::FlagsFileV2 : uint32_t
protected
Enumerator
FLAG_FILE_NONE 
FLAG_FILE_ENCRYPTED 
FLAG_FILE_REMOVED 

Definition at line 21 of file PCK.h.

Member Function Documentation

◆ addEntryInternal()

void PCK::addEntryInternal ( Entry entry,
const std::string &  path,
std::vector< std::byte > &  buffer,
EntryOptions  options 
)
overrideprotectedvirtual

Implements vpkpp::PackFile.

Definition at line 155 of file PCK.cpp.

◆ bake()

bool PCK::bake ( const std::string &  outputDir_,
BakeOptions  options,
const EntryCallback callback 
)
overridevirtual

If output folder is an empty string, it will overwrite the original.

Implements vpkpp::PackFile.

Definition at line 165 of file PCK.cpp.

◆ create()

std::unique_ptr< PackFile > PCK::create ( const std::string &  path,
uint32_t  version = 2,
uint32_t  godotMajorVersion = 0,
uint32_t  godotMinorVersion = 0,
uint32_t  godotPatchVersion = 0 
)
static

Create a new PCK file.

Definition at line 15 of file PCK.cpp.

◆ getGodotVersion()

std::tuple< uint32_t, uint32_t, uint32_t > PCK::getGodotVersion ( ) const

Definition at line 314 of file PCK.cpp.

◆ getGUID()

constexpr std::string_view vpkpp::PCK::getGUID ( ) const
inlineconstexproverridevirtual

Get the GUID corresponding to the pack file type.

Implements vpkpp::PackFile.

Definition at line 44 of file PCK.h.

◆ getSupportedEntryAttributes()

Attribute PCK::getSupportedEntryAttributes ( ) const
overridevirtual

Returns a list of supported entry attributes Mostly for GUI programs that show entries and their metadata in a table ;)

Reimplemented from vpkpp::PackFile.

Definition at line 286 of file PCK.cpp.

◆ getVersion()

uint32_t PCK::getVersion ( ) const

Returns 1 for v1, 2 for v2.

Definition at line 304 of file PCK.cpp.

◆ isCaseSensitive()

constexpr bool vpkpp::PCK::isCaseSensitive ( ) const
inlineconstexproverridevirtual

Does the format support case-sensitive file names?

Reimplemented from vpkpp::PackFile.

Definition at line 48 of file PCK.h.

◆ open()

std::unique_ptr< PackFile > PCK::open ( const std::string &  path,
const EntryCallback callback = nullptr 
)
static

Open a PCK file (potentially embedded in an executable)

Definition at line 82 of file PCK.h.

◆ operator std::string()

PCK::operator std::string ( ) const
explicitoverridevirtual

Reimplemented from vpkpp::PackFile.

Definition at line 291 of file PCK.cpp.

◆ PackFile() [1/3]

vpkpp::PackFile::PackFile ( const PackFile other)
protecteddelete

◆ PackFile() [2/3]

vpkpp::PackFile::PackFile ( PackFile &&  other)
protecteddefaultnoexcept

◆ PackFile() [3/3]

PackFile::PackFile ( std::string  fullFilePath_)
explicitprotected

Definition at line 191 of file PackFile.cpp.

◆ readEntry()

std::optional< std::vector< std::byte > > PCK::readEntry ( const std::string &  path_) const
overridevirtual

Try to read the entry's data to a bytebuffer.

Implements vpkpp::PackFile.

Definition at line 131 of file PCK.cpp.

◆ setGodotVersion()

void PCK::setGodotVersion ( uint32_t  major,
uint32_t  minor = 0,
uint32_t  patch = 0 
)

Definition at line 318 of file PCK.cpp.

◆ setVersion()

void PCK::setVersion ( uint32_t  version)

Change the version of the PCK. Valid values are 1 and 2.

Definition at line 308 of file PCK.cpp.

Member Data Documentation

◆ dataOffset

std::size_t vpkpp::PCK::dataOffset = 0
protected

Definition at line 78 of file PCK.h.

◆ GUID

constexpr std::string_view vpkpp::PCK::GUID = "28F4A6FF40EB46E38D47EEC6EFB47C4F"
inlinestaticconstexpr

Definition at line 42 of file PCK.h.

◆ header

Header vpkpp::PCK::header {}
protected

Definition at line 75 of file PCK.h.

◆ startOffset

std::size_t vpkpp::PCK::startOffset = 0
protected

Definition at line 77 of file PCK.h.


The documentation for this class was generated from the following files: