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o3de/Code/Legacy/CryCommon/CryPath.h

619 lines
18 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
// Description : Defines namespace PathUtil for operations on files paths.
#ifndef CRYINCLUDE_CRYCOMMON_CRYPATH_H
#define CRYINCLUDE_CRYCOMMON_CRYPATH_H
#pragma once
#include <ISystem.h>
#include <AzFramework/Archive/IArchive.h>
#include <IConsole.h>
#include "platform.h"
#define UNIX_PATH_SEP_STR "/"
#define UNIX_PATH_SEP_CHR '/'
#define DOS_PATH_SEP_STR "\\"
#define DOS_PATH_SEP_CHR '\\'
#if AZ_LEGACY_CRYCOMMON_TRAIT_USE_UNIX_PATHS
#define CRY_NATIVE_PATH_SEPSTR UNIX_PATH_SEP_STR
#else
#define CRY_NATIVE_PATH_SEPSTR DOS_PATH_SEP_STR
#endif
namespace PathUtil
{
const static int maxAliasLength = 32;
inline string GetLocalizationFolder()
{
return gEnv->pCryPak->GetLocalizationFolder();
}
inline string GetLocalizationRoot()
{
return gEnv->pCryPak->GetLocalizationRoot();
}
//! Convert a path to the uniform form.
inline string ToUnixPath(const string& strPath)
{
if (strPath.find(DOS_PATH_SEP_CHR) != string::npos)
{
string path = strPath;
path.replace(DOS_PATH_SEP_CHR, UNIX_PATH_SEP_CHR);
return path;
}
return strPath;
}
//! Convert a path to the uniform form in place on stack
inline void ToUnixPath(stack_string& rConv)
{
const char* const cpEnd = &(rConv.c_str()[rConv.size()]);
char* __restrict pC = rConv.begin();
while (pC != cpEnd)
{
char c = *pC;
if (c == DOS_PATH_SEP_CHR)
{
c = UNIX_PATH_SEP_CHR;
}
*pC++ = c;
}
}
//! Convert a path to the DOS form.
inline string ToDosPath(const string& strPath)
{
if (strPath.find(UNIX_PATH_SEP_CHR) != string::npos)
{
string path = strPath;
path.replace(UNIX_PATH_SEP_CHR, DOS_PATH_SEP_CHR);
return path;
}
return strPath;
}
//! Convert a path to the Native form.
inline string ToNativePath(const string& strPath)
{
#if AZ_LEGACY_CRYCOMMON_TRAIT_USE_UNIX_PATHS
return ToUnixPath(strPath);
#else
return ToDosPath(strPath);
#endif
}
//! Convert a path to lowercase form
inline string ToLower(const string& strPath)
{
string path = strPath;
path.MakeLower();
return path;
}
//! Split full file name to path and filename
//! @param filepath [IN] Full file name including path.
//! @param path [OUT] Extracted file path.
//! @param filename [OUT] Extracted file (without extension).
//! @param ext [OUT] Extracted files extension.
inline void Split(const string& filepath, string& path, string& filename, string& fext)
{
path = filename = fext = string();
if (filepath.empty())
{
return;
}
const char* str = filepath.c_str();
const char* pext = str + filepath.length() - 1;
const char* p;
for (p = str + filepath.length() - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
path = filepath.substr(0, p - str + 1);
filename = filepath.substr(p - str + 1, pext - p);
return;
case '.':
// there's an extension in this file name
fext = filepath.substr(p - str + 1);
pext = p;
break;
}
}
filename = filepath.substr(p - str + 1, pext - p);
}
//! Split full file name to path and filename
//! @param filepath [IN] Full file name inclusing path.
//! @param path [OUT] Extracted file path.
//! @param file [OUT] Extracted file (with extension).
inline void Split(const string& filepath, string& path, string& file)
{
string fext;
Split(filepath, path, file, fext);
file += fext;
}
// Extract extension from full specified file path
// Returns
// pointer to the extension (without .) or pointer to an empty 0-terminated string
inline const char* GetExt(const char* filepath)
{
const char* str = filepath;
size_t len = strlen(filepath);
for (const char* p = str + len - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
// we've reached a path separator - it means there's no extension in this name
return "";
case '.':
// there's an extension in this file name
return p + 1;
}
}
return "";
}
//! Extract path from full specified file path.
inline string GetPath(const string& filepath)
{
const char* str = filepath.c_str();
for (const char* p = str + filepath.length() - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
return filepath.substr(0, p - str + 1);
}
}
return "";
}
//! Extract path from full specified file path.
inline string GetPath(const char* filepath)
{
return GetPath(string(filepath));
}
//! Extract path from full specified file path.
inline stack_string GetPath(const stack_string& filepath)
{
const char* str = filepath.c_str();
for (const char* p = str + filepath.length() - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
return filepath.substr(0, p - str + 1);
}
}
return "";
}
//! Extract file name with extension from full specified file path.
inline string GetFile(const string& filepath)
{
const char* str = filepath.c_str();
for (const char* p = str + filepath.length() - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
return filepath.substr(p - str + 1);
}
}
return filepath;
}
inline const char* GetFile(const char* filepath)
{
const size_t len = strlen(filepath);
for (const char* p = filepath + len - 1; p >= filepath; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
return p + 1;
}
}
return filepath;
}
//! Replace extension for given file.
inline void RemoveExtension(string& filepath)
{
const char* str = filepath.c_str();
for (const char* p = str + filepath.length() - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
// we've reached a path separator - it means there's no extension in this name
return;
case '.':
// there's an extension in this file name
filepath = filepath.substr(0, p - str);
return;
}
}
// it seems the file name is a pure name, without path or extension
}
//! Replace extension for given file.
inline void RemoveExtension(stack_string& filepath)
{
const char* str = filepath.c_str();
for (const char* p = str + filepath.length() - 1; p >= str; --p)
{
switch (*p)
{
case ':':
case '/':
case '\\':
// we've reached a path separator - it means there's no extension in this name
return;
case '.':
// there's an extension in this file name
filepath = filepath.substr(0, p - str);
return;
}
}
// it seems the file name is a pure name, without path or extension
}
//! Extract file name without extension from full specified file path.
inline string GetFileName(const string& filepath)
{
string file = filepath;
RemoveExtension(file);
return GetFile(file);
}
//! Removes the trailing slash or backslash from a given path.
inline string RemoveSlash(const string& path)
{
if (path.empty() || (path[path.length() - 1] != '/' && path[path.length() - 1] != '\\'))
{
return path;
}
return path.substr(0, path.length() - 1);
}
//! get slash
inline string GetSlash()
{
return CRY_NATIVE_PATH_SEPSTR;
}
//! add a backslash if needed
inline string AddSlash(const string& path)
{
if (path.empty() || path[path.length() - 1] == '/')
{
return path;
}
if (path[path.length() - 1] == '\\')
{
return path.substr(0, path.length() - 1) + "/";
}
return path + "/";
}
//! add a backslash if needed
inline stack_string AddSlash(const stack_string& path)
{
if (path.empty() || path[path.length() - 1] == '/')
{
return path;
}
if (path[path.length() - 1] == '\\')
{
return path.substr(0, path.length() - 1) + "/";
}
return path + "/";
}
//! add a backslash if needed
inline string AddSlash(const char* path)
{
return AddSlash(string(path));
}
inline stack_string ReplaceExtension(const stack_string& filepath, const char* ext)
{
stack_string str = filepath;
if (ext != 0)
{
RemoveExtension(str);
if (ext[0] != 0 && ext[0] != '.')
{
str += ".";
}
str += ext;
}
return str;
}
//! Replace extension for given file.
inline string ReplaceExtension(const string& filepath, const char* ext)
{
string str = filepath;
if (ext != 0)
{
RemoveExtension(str);
if (ext[0] != 0 && ext[0] != '.')
{
str += ".";
}
str += ext;
}
return str;
}
//! Replace extension for given file.
inline string ReplaceExtension(const char* filepath, const char* ext)
{
return ReplaceExtension(string(filepath), ext);
}
//! Makes a fully specified file path from path and file name.
inline string Make(const string& path, const string& file)
{
return AddSlash(path) + file;
}
//! Makes a fully specified file path from path and file name.
inline string Make(const string& dir, const string& filename, const string& ext)
{
string path = ReplaceExtension(filename, ext);
path = AddSlash(dir) + path;
return path;
}
//! Makes a fully specified file path from path and file name.
inline string Make(const string& dir, const string& filename, const char* ext)
{
return Make(dir, filename, string(ext));
}
//! Makes a fully specified file path from path and file name.
inline stack_string Make(const stack_string& path, const stack_string& file)
{
return AddSlash(path) + file;
}
//! Makes a fully specified file path from path and file name.
inline stack_string Make(const stack_string& dir, const stack_string& filename, const stack_string& ext)
{
stack_string path = ReplaceExtension(filename, ext);
path = AddSlash(dir) + path;
return path;
}
//! Makes a fully specified file path from path and file name.
inline string Make(const char* path, const string& file)
{
return Make(string(path), file);
}
//! Makes a fully specified file path from path and file name.
inline string Make(const string& path, const char* file)
{
return Make(path, string(file));
}
//! Makes a fully specified file path from path and file name.
inline string Make(const char path[], const char file[])
{
return Make(string(path), string(file));
}
//! Makes a fully specified file path from path and file name.
inline string Make(const char* path, const char* file, const char* ext)
{
return Make(string(path), string(file), string(ext));
}
//! Makes a fully specified file path from path and file name.
inline string MakeFullPath(const string& relativePath)
{
return relativePath;
}
inline string GetParentDirectory (const string& strFilePath, int nGeneration = 1)
{
for (const char* p = strFilePath.c_str() + strFilePath.length() - 2; // -2 is for the possible trailing slash: there always must be some trailing symbol which is the file/directory name for which we should get the parent
p >= strFilePath.c_str();
--p)
{
switch (*p)
{
case ':':
return string (strFilePath.c_str(), p);
case '/':
case '\\':
// we've reached a path separator - return everything before it.
if (!--nGeneration)
{
return string(strFilePath.c_str(), p);
}
break;
}
}
// it seems the file name is a pure name, without path or extension
return string();
}
template<typename T, size_t SIZE>
inline CryStackStringT<T, SIZE> GetParentDirectoryStackString(const CryStackStringT<T, SIZE>& strFilePath, int nGeneration = 1)
{
for (const char* p = strFilePath.c_str() + strFilePath.length() - 2; // -2 is for the possible trailing slash: there always must be some trailing symbol which is the file/directory name for which we should get the parent
p >= strFilePath.c_str();
--p)
{
switch (*p)
{
case ':':
return CryStackStringT<T, SIZE> (strFilePath.c_str(), p);
case '/':
case '\\':
// we've reached a path separator - return everything before it.
if (!--nGeneration)
{
return CryStackStringT<T, SIZE>(strFilePath.c_str(), p);
}
break;
}
}
// it seems the file name is a pure name, without path or extension
return CryStackStringT<T, SIZE>();
}
//////////////////////////////////////////////////////////////////////////
// Description:
// Make a game correct path out of any input path.
inline stack_string MakeGamePath(const stack_string& path)
{
stack_string relativePath(ToUnixPath(path));
if ((!gEnv) || (!gEnv->pFileIO))
{
return relativePath;
}
unsigned int index = 0;
if (relativePath.length() && relativePath[index] == '@') // already aliased
{
if (relativePath.compareNoCase(0, 9, "@assets@/") == 0)
{
return relativePath.substr(9); // assets is assumed.
}
return relativePath;
}
const char* rootValue = gEnv->pFileIO->GetAlias("@root@");
if (rootValue)
{
stack_string rootPath(ToUnixPath(rootValue));
if (
(rootPath.size() > 0) &&
(rootPath.size() < relativePath.size()) &&
(relativePath.compareNoCase(0, rootPath.size(), rootPath) == 0)
)
{
stack_string chopped_string = relativePath.substr(rootPath.size());
stack_string rooted = stack_string("@root@") + chopped_string;
return rooted;
}
}
return relativePath;
}
//////////////////////////////////////////////////////////////////////////
// Description:
// Make a game correct path out of any input path.
inline string MakeGamePath(const string& path)
{
stack_string stackPath(path.c_str());
return MakeGamePath(stackPath).c_str();
}
// returns true if the string matches the wildcard
inline bool MatchWildcard (const char* szString, const char* szWildcard)
{
const char* pString = szString, * pWildcard = szWildcard;
// skip the obviously the same starting substring
while (*pWildcard && *pWildcard != '*' && *pWildcard != '?')
{
if (*pString != *pWildcard)
{
return false; // must be exact match unless there's a wildcard character in the wildcard string
}
else
{
++pString, ++pWildcard;
}
}
if (!*pString)
{
// this will only match if there are no non-wild characters in the wildcard
for (; *pWildcard; ++pWildcard)
{
if (*pWildcard != '*' && *pWildcard != '?')
{
return false;
}
}
return true;
}
switch (*pWildcard)
{
case '\0':
return false; // the only way to match them after the leading non-wildcard characters is !*pString, which was already checked
// we have a wildcard with wild character at the start.
case '*':
{
// merge consecutive ? and *, since they are equivalent to a single *
while (*pWildcard == '*' || *pWildcard == '?')
{
++pWildcard;
}
if (!*pWildcard)
{
return true; // the rest of the string doesn't matter: the wildcard ends with *
}
for (; *pString; ++pString)
{
if (MatchWildcard(pString, pWildcard))
{
return true;
}
}
return false;
}
case '?':
return MatchWildcard(pString + 1, pWildcard + 1) || MatchWildcard(pString, pWildcard + 1);
default:
assert (0);
return false;
}
}
};
#endif // CRYINCLUDE_CRYCOMMON_CRYPATH_H