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metaforce/hecl/include/HECL/HECL.hpp

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#ifndef HECL_HPP
#define HECL_HPP
#ifndef _WIN32
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <dirent.h>
#include <fcntl.h>
#include <unistd.h>
#else
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <Windows.h>
#include <wchar.h>
#include "winsupport.hpp"
#endif
#include <inttypes.h>
#include <time.h>
#include <stdarg.h>
#include <stdio.h>
#include <functional>
#include <string>
#include <algorithm>
#include <regex>
#include <list>
#include <map>
#include <LogVisor/LogVisor.hpp>
#include "../extern/xxhash/xxhash.h"
namespace HECL
{
namespace Database
{
class Project;
struct DataSpecEntry;
}
extern unsigned VerbosityLevel;
extern LogVisor::LogModule LogModule;
#if _WIN32 && UNICODE
#define HECL_UCS2 1
#endif
std::string WideToUTF8(const std::wstring& src);
std::wstring UTF8ToWide(const std::string& src);
#if HECL_UCS2
typedef wchar_t SystemChar;
static inline size_t StrLen(const SystemChar* str) {return wcslen(str);}
typedef std::wstring SystemString;
static inline void ToLower(SystemString& str)
{std::transform(str.begin(), str.end(), str.begin(), towlower);}
static inline void ToUpper(SystemString& str)
{std::transform(str.begin(), str.end(), str.begin(), towupper);}
class SystemUTF8View
{
std::string m_utf8;
public:
SystemUTF8View(const SystemString& str)
: m_utf8(WideToUTF8(str)) {}
operator const std::string&() const {return m_utf8;}
const std::string& str() const {return m_utf8;}
std::string operator+(const std::string& other) const {return m_utf8 + other;}
std::string operator+(const char* other) const {return m_utf8 + other;}
};
inline std::string operator+(const std::string& lhs, const SystemUTF8View& rhs) {return lhs + std::string(rhs);}
inline std::string operator+(const char* lhs, const SystemUTF8View& rhs) {return lhs + std::string(rhs);}
class SystemStringView
{
std::wstring m_sys;
public:
SystemStringView(const std::string& str)
: m_sys(UTF8ToWide(str)) {}
operator const std::wstring&() const {return m_sys;}
const std::wstring& sys_str() const {return m_sys;}
std::wstring operator+(const std::wstring& other) const {return m_sys + other;}
std::wstring operator+(const wchar_t* other) const {return m_sys + other;}
};
inline std::wstring operator+(const std::wstring& lhs, const SystemStringView& rhs) {return lhs + std::wstring(rhs);}
inline std::wstring operator+(const wchar_t* lhs, const SystemStringView& rhs) {return lhs + std::wstring(rhs);}
#ifndef _S
#define _S(val) L ## val
#endif
typedef struct _stat Sstat;
#else
typedef char SystemChar;
static inline size_t StrLen(const SystemChar* str) {return strlen(str);}
typedef std::string SystemString;
static inline void ToLower(SystemString& str)
{std::transform(str.begin(), str.end(), str.begin(), tolower);}
static inline void ToUpper(SystemString& str)
{std::transform(str.begin(), str.end(), str.begin(), toupper);}
class SystemUTF8View
{
const std::string& m_utf8;
public:
SystemUTF8View(const SystemString& str)
: m_utf8(str) {}
operator const std::string&() const {return m_utf8;}
const std::string& str() const {return m_utf8;}
std::string operator+(const std::string& other) const {return std::string(m_utf8) + other;}
std::string operator+(const char* other) const {return std::string(m_utf8) + other;}
};
inline std::string operator+(const std::string& lhs, const SystemUTF8View& rhs) {return lhs + std::string(rhs);}
inline std::string operator+(const char* lhs, const SystemUTF8View& rhs) {return lhs + std::string(rhs);}
class SystemStringView
{
const std::string& m_sys;
public:
SystemStringView(const std::string& str)
: m_sys(str) {}
operator const std::string&() const {return m_sys;}
const std::string& sys_str() const {return m_sys;}
std::string operator+(const std::string& other) const {return m_sys + other;}
std::string operator+(const char* other) const {return m_sys + other;}
};
inline std::string operator+(const std::string& lhs, const SystemStringView& rhs) {return lhs + std::string(rhs);}
inline std::string operator+(const char* lhs, const SystemStringView& rhs) {return lhs + std::string(rhs);}
#ifndef _S
#define _S(val) val
#endif
typedef struct stat Sstat;
#endif
void SanitizePath(std::string& path);
void SanitizePath(std::wstring& path);
static inline void Unlink(const SystemChar* file)
{
#if _WIN32
_wunlink(file);
#else
unlink(file);
#endif
}
static inline void MakeDir(const char* dir)
{
#if _WIN32
HRESULT err;
if (!CreateDirectoryA(dir, NULL))
if ((err = GetLastError()) != ERROR_ALREADY_EXISTS)
LogModule.report(LogVisor::FatalError, _S("MakeDir(%s)"), dir);
#else
if (mkdir(dir, 0755))
if (errno != EEXIST)
LogModule.report(LogVisor::FatalError, "MakeDir(%s): %s", dir, strerror(errno));
#endif
}
#if _WIN32
static inline void MakeDir(const wchar_t* dir)
{
HRESULT err;
if (!CreateDirectoryW(dir, NULL))
if ((err = GetLastError()) != ERROR_ALREADY_EXISTS)
LogModule.report(LogVisor::FatalError, _S("MakeDir(%s)"), dir);
}
#endif
static inline void MakeLink(const SystemChar* target, const SystemChar* linkPath)
{
#if _WIN32
HRESULT res = CreateShellLink(target, linkPath, _S("HECL Link")); /* :(( */
if (!SUCCEEDED(res))
{
LPWSTR messageBuffer = nullptr;
size_t size = FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, res, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&messageBuffer, 0, NULL); /* :((( */
LogModule.report(LogVisor::FatalError, _S("MakeLink(%s, %s): %s"), target, linkPath, messageBuffer);
}
#else
if (symlink(target, linkPath)) /* :) */
if (errno != EEXIST)
LogModule.report(LogVisor::FatalError, "MakeLink(%s, %s): %s", target, linkPath, strerror(errno));
#endif
}
static inline SystemChar* Getcwd(SystemChar* buf, int maxlen)
{
#if HECL_UCS2
return _wgetcwd(buf, maxlen);
#else
return getcwd(buf, maxlen);
#endif
}
enum class FileLockType
{
None = 0,
Read,
Write
};
static inline FILE* Fopen(const SystemChar* path, const SystemChar* mode, FileLockType lock=FileLockType::None)
{
#if HECL_UCS2
FILE* fp = _wfopen(path, mode);
if (!fp)
LogModule.report(LogVisor::FatalError, L"fopen %s: %s", path, _wcserror(errno));
#else
FILE* fp = fopen(path, mode);
if (!fp)
LogModule.report(LogVisor::FatalError, "fopen %s: %s", path, strerror(errno));
#endif
if (lock != FileLockType::None)
{
#if _WIN32
OVERLAPPED ov = {};
LockFileEx((HANDLE)(uintptr_t)_fileno(fp), (lock == LWRITE) ? LOCKFILE_EXCLUSIVE_LOCK : 0, 0, 0, 1, &ov);
#else
if (flock(fileno(fp), ((lock == FileLockType::Write) ? LOCK_EX : LOCK_SH) | LOCK_NB))
LogModule.report(LogVisor::FatalError, "flock %s: %s", path, strerror(errno));
#endif
}
return fp;
}
static inline int Stat(const SystemChar* path, Sstat* statOut)
{
#if HECL_UCS2
return _wstat(path, statOut);
#else
return stat(path, statOut);
#endif
}
#if __GNUC__
__attribute__((__format__ (__printf__, 1, 2)))
#endif
static inline void Printf(const SystemChar* format, ...)
{
va_list va;
va_start(va, format);
#if HECL_UCS2
vwprintf(format, va);
#else
vprintf(format, va);
#endif
va_end(va);
}
#if __GNUC__
__attribute__((__format__ (__printf__, 2, 3)))
#endif
static inline void FPrintf(FILE* fp, const SystemChar* format, ...)
{
va_list va;
va_start(va, format);
#if HECL_UCS2
vfwprintf(fp, format, va);
#else
vfprintf(fp, format, va);
#endif
va_end(va);
}
#if __GNUC__
__attribute__((__format__ (__printf__, 3, 4)))
#endif
static inline void SNPrintf(SystemChar* str, size_t maxlen, const SystemChar* format, ...)
{
va_list va;
va_start(va, format);
#if HECL_UCS2
_vsnwprintf(str, maxlen, format, va);
#else
vsnprintf(str, maxlen, format, va);
#endif
va_end(va);
}
static inline int StrCmp(const SystemChar* str1, const SystemChar* str2)
{
#if HECL_UCS2
return wcscmp(str1, str2);
#else
return strcmp(str1, str2);
#endif
}
#define FORMAT_BUF_SZ 1024
#if __GNUC__
__attribute__((__format__ (__printf__, 1, 2)))
#endif
static inline SystemString SysFormat(const SystemChar* format, ...)
{
SystemChar resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
#if HECL_UCS2
int printSz = vswprintf(resultBuf, FORMAT_BUF_SZ, format, va);
#else
int printSz = vsnprintf(resultBuf, FORMAT_BUF_SZ, format, va);
#endif
va_end(va);
return SystemString(resultBuf, printSz);
}
#if __GNUC__
__attribute__((__format__ (__printf__, 1, 2)))
#endif
static inline std::string Format(const char* format, ...)
{
char resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
int printSz = vsnprintf(resultBuf, FORMAT_BUF_SZ, format, va);
va_end(va);
return std::string(resultBuf, printSz);
}
static inline int ConsoleWidth()
{
int retval = 80;
#if _WIN32
CONSOLE_SCREEN_BUFFER_INFO info;
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &info);
retval = info.dwSize.X;
#else
struct winsize w;
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1)
retval = w.ws_col;
#endif
if (retval < 10)
return 10;
return retval;
}
typedef std::basic_regex<SystemChar> SystemRegex;
typedef std::regex_token_iterator<SystemString::const_iterator> SystemRegexTokenIterator;
typedef std::match_results<SystemString::const_iterator> SystemRegexMatch;
class ProjectRootPath;
/**
* @brief FourCC representation used within HECL's database
*
* FourCCs are efficient, mnemonic four-char-sequences used to represent types
* while fitting comfortably in a 32-bit word. HECL uses a four-char array
* to remain endian-independent.
*/
class FourCC
{
protected:
union
{
char fcc[4];
uint32_t num;
};
public:
FourCC() /* Sentinel FourCC */
: num(0) {}
FourCC(const FourCC& other)
{num = other.num;}
FourCC(const char* name)
: num(*(uint32_t*)name) {}
FourCC(uint32_t n)
: num(n) {}
bool operator==(const FourCC& other) const {return num == other.num;}
bool operator!=(const FourCC& other) const {return num != other.num;}
bool operator==(const char* other) const {return num == *(uint32_t*)other;}
bool operator!=(const char* other) const {return num != *(uint32_t*)other;}
bool operator==(uint32_t other) const {return num == other;}
bool operator!=(uint32_t other) const {return num != other;}
std::string toString() const {return std::string(fcc, 4);}
uint32_t toUint32() const {return num;}
operator uint32_t() const {return num;}
};
#define FOURCC(chars) FourCC(SBIG(chars))
/**
* @brief Hash representation used for all storable and comparable objects
*
* Hashes are used within HECL to avoid redundant storage of objects;
* providing a rapid mechanism to compare for equality.
*/
class Hash
{
protected:
uint64_t hash = 0;
public:
Hash() = default;
operator bool() const {return hash != 0;}
Hash(const void* buf, size_t len)
: hash(XXH64((uint8_t*)buf, len, 0)) {}
Hash(const std::string& str)
: hash(XXH64((uint8_t*)str.data(), str.size(), 0)) {}
Hash(const std::wstring& str)
: hash(XXH64((uint8_t*)str.data(), str.size()*2, 0)) {}
Hash(uint64_t hashin)
: hash(hashin) {}
Hash(const Hash& other) {hash = other.hash;}
uint32_t val32() const {return uint32_t(hash);}
uint64_t val64() const {return uint64_t(hash);}
size_t valSizeT() const {return size_t(hash);}
Hash& operator=(const Hash& other) {hash = other.hash; return *this;}
bool operator==(const Hash& other) const {return hash == other.hash;}
bool operator!=(const Hash& other) const {return hash != other.hash;}
bool operator<(const Hash& other) const {return hash < other.hash;}
bool operator>(const Hash& other) const {return hash > other.hash;}
bool operator<=(const Hash& other) const {return hash <= other.hash;}
bool operator>=(const Hash& other) const {return hash >= other.hash;}
};
/**
* @brief Timestamp representation used for comparing modtimes of cooked resources
*/
class Time final
{
time_t ts;
public:
Time() : ts(time(NULL)) {}
Time(time_t ti) : ts(ti) {}
Time(const Time& other) {ts = other.ts;}
time_t getTs() const {return ts;}
Time& operator=(const Time& other) {ts = other.ts; return *this;}
bool operator==(const Time& other) const {return ts == other.ts;}
bool operator!=(const Time& other) const {return ts != other.ts;}
bool operator<(const Time& other) const {return ts < other.ts;}
bool operator>(const Time& other) const {return ts > other.ts;}
bool operator<=(const Time& other) const {return ts <= other.ts;}
bool operator>=(const Time& other) const {return ts >= other.ts;}
};
/**
* @brief Special ProjectRootPath class for opening HECLDatabase::IProject instances
*
* Constructing a ProjectPath requires supplying a ProjectRootPath to consistently
* resolve canonicalized relative paths.
*/
class ProjectRootPath
{
SystemString m_projRoot;
Hash m_hash = 0;
public:
/**
* @brief Empty constructor
*
* Used to preallocate ProjectPath for later population using assign()
*/
ProjectRootPath() = default;
/**
* @brief Tests for non-empty project root path
*/
operator bool() const {return m_projRoot.size() != 0;}
/**
* @brief Construct a representation of a project root path
* @param path valid filesystem-path (relative or absolute) to project root
*/
ProjectRootPath(const SystemString& path) : m_projRoot(path)
{
SanitizePath(m_projRoot);
m_hash = Hash(m_projRoot);
}
/**
* @brief Access fully-canonicalized absolute path
* @return Absolute path reference
*/
const SystemString& getAbsolutePath() const {return m_projRoot;}
/**
* @brief Make absolute path project relative
* @param absPath Absolute path
* @return SystemString of path relative to project root
*/
SystemString getProjectRelativeFromAbsolute(const SystemString& absPath) const
{
if (absPath.size() > m_projRoot.size())
{
if (!absPath.compare(0, m_projRoot.size(), m_projRoot))
{
auto beginIt = absPath.cbegin() + m_projRoot.size();
while (*beginIt == _S('/') || *beginIt == _S('\\'))
++beginIt;
return SystemString(beginIt, absPath.cend());
}
}
LogModule.report(LogVisor::FatalError, "unable to resolve '%s' as project relative '%s'",
absPath.c_str(), m_projRoot.c_str());
return SystemString();
}
/**
* @brief Create directory at path
*
* Fatal log report is issued if directory is not able to be created or doesn't already exist.
* If directory already exists, no action taken.
*/
void makeDir() const {MakeDir(m_projRoot.c_str());}
/**
* @brief HECL-specific xxhash
* @return unique hash value
*/
Hash hash() const {return m_hash;}
bool operator==(const ProjectRootPath& other) const {return m_hash == other.m_hash;}
bool operator!=(const ProjectRootPath& other) const {return m_hash != other.m_hash;}
};
/**
* @brief Canonicalized project path representation using POSIX conventions
*
* HECL uses POSIX-style paths (with '/' separator) and directory tokens
* ('.','..') to resolve files within a project. The database internally
* uses this representation to track working files.
*
* This class provides a convenient way to resolve paths relative to the
* project root. Part of this representation involves resolving symbolic
* links to regular file/directory paths and determining its type.
*
* NOTE THAT PROJECT PATHS ARE TREATED AS CASE SENSITIVE!!
*/
class ProjectPath
{
Database::Project* m_proj = nullptr;
SystemString m_absPath;
SystemString m_relPath;
Hash m_hash = 0;
#if HECL_UCS2
std::string m_utf8AbsPath;
std::string m_utf8RelPath;
#endif
public:
/**
* @brief Empty constructor
*
* Used to preallocate ProjectPath for later population using assign()
*/
ProjectPath() = default;
/**
* @brief Tests for non-empty project path
*/
operator bool() const {return m_absPath.size() != 0;}
/**
* @brief Clears path
*/
void clear()
{
m_proj = nullptr;
m_absPath.clear();
m_relPath.clear();
m_hash = 0;
#if HECL_UCS2
m_utf8AbsPath.clear();
m_utf8RelPath.clear();
#endif
}
/**
* @brief Construct a project subpath representation within a project's root path
* @param project previously constructed Project to use root path of
* @param path valid filesystem-path (relative or absolute) to subpath
*/
ProjectPath(Database::Project& project, const SystemString& path) {assign(project, path);}
void assign(Database::Project& project, const SystemString& path);
#if HECL_UCS2
ProjectPath(Database::Project& project, const std::string& path) {assign(project, path);}
void assign(Database::Project& project, const std::string& path);
#endif
/**
* @brief Construct a project subpath representation within another subpath
* @param parentPath previously constructed ProjectPath which ultimately connects to a ProjectRootPath
* @param path valid filesystem-path (relative or absolute) to subpath
*/
ProjectPath(const ProjectPath& parentPath, const SystemString& path) {assign(parentPath, path);}
void assign(const ProjectPath& parentPath, const SystemString& path);
#if HECL_UCS2
ProjectPath(const ProjectPath& parentPath, const std::string& path) {assign(parentPath, path);}
void assign(const ProjectPath& parentPath, const std::string& path);
#endif
/**
* @brief Determine if ProjectPath represents project root directory
* @return true if project root directory
*/
bool isRoot() const {return m_relPath.empty();}
/**
* @brief Return new ProjectPath with extension added
* @param ext file extension to add (nullptr may be passed to remove the extension)
* @param replace remove existing extension (if any) before appending new extension
* @return new path with extension
*/
ProjectPath getWithExtension(const SystemChar* ext, bool replace=false) const
{
ProjectPath pp(*this);
if (replace)
{
auto relIt = pp.m_relPath.end();
auto absIt = pp.m_absPath.end();
while (relIt != pp.m_relPath.begin() && *relIt != _S('.') && *relIt != _S('/'))
{
--relIt;
--absIt;
}
if (*relIt == _S('.') && relIt != pp.m_relPath.begin())
{
pp.m_relPath.resize(relIt - pp.m_relPath.begin());
pp.m_absPath.resize(absIt - pp.m_absPath.begin());
}
}
if (ext)
{
pp.m_relPath += ext;
pp.m_absPath += ext;
}
#if HECL_UCS2
pp.m_utf8AbsPath = WideToUTF8(pp.m_absPath);
pp.m_utf8RelPath = WideToUTF8(pp.m_relPath);
#endif
return pp;
}
/**
* @brief Access fully-canonicalized absolute path
* @return Absolute path reference
*/
const SystemString& getAbsolutePath() const {return m_absPath;}
/**
* @brief Access fully-canonicalized project-relative path
* @return Relative pointer to within absolute-path or "." for project root-directory (use isRoot to detect)
*/
const SystemString& getRelativePath() const
{
if (m_relPath.size())
return m_relPath;
static const SystemString dot = _S(".");
return dot;
}
/**
* @brief Obtain cooked equivalent of this ProjectPath
* @param spec DataSpec to get path against
* @return Cooked representation path
*/
ProjectPath getCookedPath(const Database::DataSpecEntry& spec) const;
/**
* @brief Obtain path of parent entity (a directory for file paths)
* @return Parent Path
*
* This will not resolve outside the project root (error in that case)
*/
ProjectPath getParentPath() const
{
if (m_relPath == _S("."))
LogModule.report(LogVisor::FatalError, "attempted to resolve parent of root project path");
size_t pos = m_relPath.rfind(_S('/'));
if (pos == SystemString::npos)
return ProjectPath(*m_proj, _S(""));
return ProjectPath(*m_proj, SystemString(m_relPath.begin(), m_relPath.begin() + pos));
}
/**
* @brief Obtain c-string of final path component (stored within relative path)
* @return Final component c-string (may be empty)
*/
const SystemChar* getLastComponent() const
{
size_t pos = m_relPath.rfind(_S('/'));
if (pos == SystemString::npos)
return m_relPath.c_str() + m_relPath.size();
return m_relPath.c_str() + pos + 1;
}
const char* getLastComponentUTF8() const
{
size_t pos = m_relPath.rfind(_S('/'));
#if HECL_UCS2
if (pos == SystemString::npos)
return m_utf8RelPath.c_str() + m_utf8RelPath.size();
return m_utf8RelPath.c_str() + pos + 1;
#else
if (pos == SystemString::npos)
return m_relPath.c_str() + m_relPath.size();
return m_relPath.c_str() + pos + 1;
#endif
}
/**
* @brief Obtain c-string of extension of final path component (stored within relative path)
* @return Final component extension c-string (may be nullptr)
*/
const SystemChar* getLastComponentExt() const
{
const SystemChar* lastCompOrig = getLastComponent();
const SystemChar* lastComp = lastCompOrig;
while (*lastComp != _S('\0'))
++lastComp;
while (lastComp != lastCompOrig)
{
if (*lastComp == _S('.'))
return lastComp + 1;
--lastComp;
}
return nullptr;
}
/**
* @brief Access fully-canonicalized absolute path in UTF-8
* @return Absolute path reference
*/
const std::string& getAbsolutePathUTF8() const
{
#if HECL_UCS2
return m_utf8AbsPath;
#else
return m_absPath;
#endif
}
const std::string& getRelativePathUTF8() const
{
#if HECL_UCS2
return m_utf8RelPath;
#else
return m_relPath;
#endif
}
/**
* @brief Type of path
*/
enum class Type
{
None, /**< If path doesn't reference a valid filesystem entity, this is returned */
File, /**< Singular file path (confirmed with filesystem) */
Directory, /**< Singular directory path (confirmed with filesystem) */
Glob, /**< Glob-path (whenever one or more '*' occurs in syntax) */
Link /**< Link (symlink on POSIX, ShellLink on Windows) */
};
/**
* @brief Get type of path based on syntax and filesystem queries
* @return Type of path
*/
Type getPathType() const;
/**
* @brief Get time of last modification with special behaviors for directories and glob-paths
* @return Time object representing entity's time of last modification
*
* Regular files simply return their modtime as queried from the OS
* Directories return the latest modtime of all first-level regular files
* Glob-paths return the latest modtime of all matched regular files
*/
Time getModtime() const;
/**
* @brief For link paths, get the target path
* @return Target path
*/
ProjectPath resolveLink() const;
/**
* @brief Insert directory children into list
* @param outPaths list to append children to
*/
void getDirChildren(std::map<SystemString, ProjectPath>& outPaths) const;
/**
* @brief Insert glob matches into existing vector
* @param outPaths Vector to add matches to (will not erase existing contents)
*/
void getGlobResults(std::vector<ProjectPath>& outPaths) const;
/**
* @brief Count how many directory levels deep in project path is
* @return Level Count
*/
size_t levelCount() const
{
size_t count = 0;
for (SystemChar ch : m_relPath)
if (ch == _S('/') || ch == _S('\\'))
++count;
return count;
}
/**
* @brief Create directory at path
*
* Fatal log report is issued if directory is not able to be created or doesn't already exist.
* If directory already exists, no action taken.
*/
void makeDir() const {MakeDir(m_absPath.c_str());}
/**
* @brief Create relative symbolic link at calling path targeting another path
* @param target Path to target
*/
void makeLinkTo(const ProjectPath& target) const
{
SystemString relTarget;
for (SystemChar ch : m_relPath)
if (ch == _S('/') || ch == _S('\\'))
relTarget += _S("../");
relTarget += target.m_relPath;
MakeLink(relTarget.c_str(), m_absPath.c_str());
}
/**
* @brief Fetch project that contains path
* @return Project
*/
Database::Project& getProject() const
{
if (!m_proj)
LogModule.report(LogVisor::FatalError, "ProjectPath::getProject() called on unqualified path");
return *m_proj;
}
/**
* @brief HECL-specific xxhash
* @return unique hash value
*/
Hash hash() const {return m_hash;}
bool operator==(const ProjectPath& other) const {return m_hash == other.m_hash;}
bool operator!=(const ProjectPath& other) const {return m_hash != other.m_hash;}
};
/**
* @brief Search from within provided directory for the project root
* @param path absolute or relative file path to search from
* @return Newly-constructed root path (bool-evaluating to false if not found)
*/
ProjectRootPath SearchForProject(const SystemString& path);
/**
* @brief Search from within provided directory for the project root
* @param path absolute or relative file path to search from
* @param subpathOut remainder of provided path assigned to this ProjectPath
* @return Newly-constructed root path (bool-evaluating to false if not found)
*/
ProjectRootPath SearchForProject(const SystemString& path, SystemString& subpathOut);
/**
* @brief Test if given path is a PNG (based on file header)
* @param path Path to test
* @return true if PNG
*/
bool IsPathPNG(const HECL::ProjectPath& path);
/**
* @brief Test if given path is a blend (based on file header)
* @param path Path to test
* @return true if blend
*/
bool IsPathBlend(const HECL::ProjectPath& path);
/**
* @brief Test if given path is a yaml (based on file extension)
* @param path Path to test
* @return true if yaml
*/
bool IsPathYAML(const HECL::ProjectPath& path);
#undef bswap16
#undef bswap32
#undef bswap64
/* Type-sensitive byte swappers */
template <typename T>
static inline T bswap16(T val)
{
#if __GNUC__
return __builtin_bswap16(val);
#elif _WIN32
return _byteswap_ushort(val);
#else
return (val = (val << 8) | ((val >> 8) & 0xFF));
#endif
}
template <typename T>
static inline T bswap32(T val)
{
#if __GNUC__
return __builtin_bswap32(val);
#elif _WIN32
return _byteswap_ulong(val);
#else
val = (val & 0x0000FFFF) << 16 | (val & 0xFFFF0000) >> 16;
val = (val & 0x00FF00FF) << 8 | (val & 0xFF00FF00) >> 8;
return val;
#endif
}
template <typename T>
static inline T bswap64(T val)
{
#if __GNUC__
return __builtin_bswap64(val);
#elif _WIN32
return _byteswap_uint64(val);
#else
return ((val & 0xFF00000000000000ULL) >> 56) |
((val & 0x00FF000000000000ULL) >> 40) |
((val & 0x0000FF0000000000ULL) >> 24) |
((val & 0x000000FF00000000ULL) >> 8) |
((val & 0x00000000FF000000ULL) << 8) |
((val & 0x0000000000FF0000ULL) << 24) |
((val & 0x000000000000FF00ULL) << 40) |
((val & 0x00000000000000FFULL) << 56);
#endif
}
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
static inline int16_t SBig(int16_t val) {return bswap16(val);}
static inline uint16_t SBig(uint16_t val) {return bswap16(val);}
static inline int32_t SBig(int32_t val) {return bswap32(val);}
static inline uint32_t SBig(uint32_t val) {return bswap32(val);}
static inline int64_t SBig(int64_t val) {return bswap64(val);}
static inline uint64_t SBig(uint64_t val) {return bswap64(val);}
#define SBIG(q) ( ( (q) & 0x000000FF ) << 24 | ( (q) & 0x0000FF00 ) << 8 \
| ( (q) & 0x00FF0000 ) >> 8 | ( (q) & 0xFF000000 ) >> 24 )
static inline int16_t SLittle(int16_t val) {return val;}
static inline uint16_t SLittle(uint16_t val) {return val;}
static inline int32_t SLittle(int32_t val) {return val;}
static inline uint32_t SLittle(uint32_t val) {return val;}
static inline int64_t SLittle(int64_t val) {return val;}
static inline uint64_t SLittle(uint64_t val) {return val;}
#define SLITTLE(q) (q)
#else
static inline int16_t SLittle(int16_t val) {return bswap16(val);}
static inline uint16_t SLittle(uint16_t val) {return bswap16(val);}
static inline int32_t SLittle(int32_t val) {return bswap32(val);}
static inline uint32_t SLittle(uint32_t val) {return bswap32(val);}
static inline int64_t SLittle(int64_t val) {return bswap64(val);}
static inline uint64_t SLittle(uint64_t val) {return bswap64(val);}
#define SLITTLE(q) ( ( (q) & 0x000000FF ) << 24 | ( (q) & 0x0000FF00 ) << 8 \
| ( (q) & 0x00FF0000 ) >> 8 | ( (q) & 0xFF000000 ) >> 24 )
static inline int16_t SBig(int16_t val) {return val;}
static inline uint16_t SBig(uint16_t val) {return val;}
static inline int32_t SBig(int32_t val) {return val;}
static inline uint32_t SBig(uint32_t val) {return val;}
static inline int64_t SBig(int64_t val) {return val;}
static inline uint64_t SBig(uint64_t val) {return val;}
#define SBIG(q) (q)
#endif
}
#if _MSC_VER
#define NOEXCEPT
#else
#define NOEXCEPT noexcept
#endif
namespace std
{
template <> struct hash<HECL::FourCC>
{
size_t operator()(const HECL::FourCC& val) const NOEXCEPT
{return val.toUint32();}
};
template <> struct hash<HECL::ProjectPath>
{
size_t operator()(const HECL::ProjectPath& val) const NOEXCEPT
{return val.hash().valSizeT();}
};
template <> struct hash<HECL::Hash>
{
size_t operator()(const HECL::Hash& val) const NOEXCEPT
{return val.valSizeT();}
};
}
#endif // HECL_HPP
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