forked from 0ad/0ad
janwas
4e8c305c6e
remove asm rintf implementation (sse is faster); avoid the need for an external 64-bit asm file with vc2008/vc2010; allow arbitrarily long command line args This was SVN commit r8985.
160 lines
4.5 KiB
C++
160 lines
4.5 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* helper functions for path strings.
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*/
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// notes:
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// - this module is independent of lib/file so that it can be used from
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// other code without pulling in the entire file manager.
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// - there is no restriction on buffer lengths except the underlying OS.
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// input buffers must not exceed PATH_MAX chars, while outputs
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// must hold at least that much.
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// - unless otherwise mentioned, all functions are intended to work with
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// native and VFS paths.
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// when reading, both '/' and SYS_DIR_SEP are accepted; '/' is written.
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#ifndef INCLUDED_PATH_UTIL
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#define INCLUDED_PATH_UTIL
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namespace ERR
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{
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const LibError PATH_EMPTY = -100300;
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const LibError PATH_COMPONENT_SEPARATOR = -100301;
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const LibError PATH_NOT_FOUND = -100302;
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}
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/**
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* check if name is valid. (see source for criteria)
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*
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* @return LibError (ERR::PATH_* or INFO::OK)
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**/
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LIB_API LibError path_component_validate(const wchar_t* name);
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/**
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* is the given character a path separator character?
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*
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* @param c character to test
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* @return bool
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**/
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LIB_API bool path_is_dir_sep(wchar_t c);
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/**
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* is s2 a subpath of s1, or vice versa? (equal counts as subpath)
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*
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* @param s1, s2 comparand strings
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* @return bool
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**/
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LIB_API bool path_is_subpath(const wchar_t* s1, const wchar_t* s2);
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/**
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* Get the name component of a path.
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* Skips over all characters up to the last dir separator, if any.
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*
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* @param path Input path.
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* @return pointer to name component within \<path\>.
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**/
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LIB_API const wchar_t* path_name_only(const wchar_t* path);
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template<class Path>
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Path AddSlash(const Path& path)
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{
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return (path.leaf() == L".")? path : path/L"/";
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}
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LIB_API fs::wpath wpath_from_path(const fs::path& pathname);
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LIB_API fs::path path_from_wpath(const fs::wpath& pathname);
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static inline std::wstring Path(const std::wstring& pathname)
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{
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size_t n = pathname.find_last_of('/');
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if(n == std::wstring::npos)
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{
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n = pathname.find_last_of('\\');
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if(n == std::wstring::npos)
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return L"";
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}
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return pathname.substr(0, n);
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}
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static inline std::wstring Filename(const std::wstring& pathname)
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{
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size_t n = pathname.find_last_of('/');
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if(n == std::wstring::npos)
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{
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n = pathname.find_last_of('\\');
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if(n == std::wstring::npos)
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return pathname;
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}
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return pathname.substr(n+1);
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}
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static inline std::wstring Basename(const std::wstring& filename)
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{
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const size_t n = filename.find_last_of('.');
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if(n == std::wstring::npos)
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return filename;
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return filename.substr(0, n);
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}
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static inline std::wstring Extension(const std::wstring& filename)
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{
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const size_t n = filename.find_last_of('.');
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if(n == std::wstring::npos)
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return std::wstring();
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return filename.substr(n);
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}
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static inline std::wstring Join(const std::wstring& path1, const std::wstring& path2)
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{
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std::wstring ret = path1;
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if(!path1.empty() && path1[path1.length()-1] != '/' && path1[path1.length()-1] != '\\')
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ret += '/';
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ret += path2;
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return ret;
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}
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static inline std::wstring ChangeExtension(const std::wstring& pathname, const std::wstring& extension)
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{
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return Join(Path(pathname), Basename(Filename(pathname))+extension);
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}
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static inline bool FileExists(const std::wstring& pathname)
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{
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struct stat s;
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const bool exists = wstat(pathname.c_str(), &s) == 0;
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return exists;
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}
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static inline u64 FileSize(const std::wstring& pathname)
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{
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struct stat s;
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debug_assert(wstat(pathname.c_str(), &s) == 0);
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return s.st_size;
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}
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#endif // #ifndef INCLUDED_PATH_UTIL
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