2019-08-19 19:19:58 +08:00
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#ifndef HGL_FILE_SYSTEM_INCLUDE
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#define HGL_FILE_SYSTEM_INCLUDE
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#include<hgl/type/BaseString.h>
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#include<hgl/type/List.h>
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namespace hgl
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{
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namespace io
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{
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class InputStream;
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}//namespace io
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namespace filesystem
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{
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template<typename T>
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inline BaseString<T> MergeFilename(const BaseString<T> &pathname,const BaseString<T> &filename,const T directory_separator_char,const T *directory_separator_str)
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{
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BaseString<T> fullname;
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if(pathname.GetEndChar()==directory_separator_char) //结尾有分隔符
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{
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if(filename.GetBeginChar()==directory_separator_char) //开头有分隔符
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{
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2020-04-24 21:09:25 +08:00
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fullname.SetString(pathname.c_str(),pathname.Length()-1); //少取一个字符
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2019-08-19 19:19:58 +08:00
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}
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else
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{
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fullname=pathname;
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}
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}
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else //结尾没有分隔符
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{
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fullname=pathname;
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if(filename.GetBeginChar()!=directory_separator_char) //开头没有分隔符
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{
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fullname.Strcat(directory_separator_str); //添加分隔符
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}
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}
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fullname.Strcat(filename);
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return fullname;
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}
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/**
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* 截取完整路径中的文件名
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* @param fullname 完整路径文件名
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*/
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template<typename T>
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inline BaseString<T> ClipFilename(const BaseString<T> &fullname)
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{
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if(fullname.Length()<=1)
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return(BaseString<T>());
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const T spear_char[] = { '/','\\' };
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const int pos=fullname.FindRightChar(spear_char);
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if(pos==-1)
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return BaseString<T>(fullname);
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return fullname.SubString(pos+1);
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}
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/**
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2019-12-30 21:30:49 +08:00
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* 截取一个文件名中的主名称
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2019-08-19 19:19:58 +08:00
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* @param filename 文件名
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* @param split_char 扩展名分隔符,一般为'.'
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*/
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template<typename T>
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inline BaseString<T> ClipFileMainname(const BaseString<T> &filename,const T split_char='.')
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{
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if(filename.Length()<=1)
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return(BaseString<T>());
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const int pos=filename.FindRightChar(split_char);
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if(pos==-1)
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return BaseString<T>(filename);
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return filename.SubString(0,pos);
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}
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/**
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* 截取完整文件名中的扩展名
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* @param fullname 完整文件名
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* @param include_dot 是否包括点
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*/
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template<typename T>
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inline BaseString<T> ClipFileExtName(const BaseString<T> &fullname,bool include_dot=true)
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{
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int end=fullname.FindChar(T('?')); //url的文件名,以?为结束
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if(end==-1)
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end=fullname.Length();
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int pos=fullname.FindRightChar(fullname.Length()-end,T('.'));
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if(pos==-1)
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return BaseString<T>();
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return include_dot? fullname.SubString(pos, end- pos ):
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fullname.SubString(pos+1, end-(pos+1));
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}
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/**
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* 截取路径最后一个名字
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*/
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template<typename T>
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inline BaseString<T> ClipLastPathname(const BaseString<T> &fullname)
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{
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if(fullname.Length()<=1)
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return(BaseString<T>());
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const T gap_char[2]={'\\','/'};
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T *p=nullptr;
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T *s=fullname.c_str();
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T *e=fullname.c_str()+fullname.Length()-1;
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while(e>s)
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{
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if(!p)
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{
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if(*e==gap_char[0]||*e==gap_char[1])
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{
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--e;
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continue;
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}
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p=e;
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--e;
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}
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else
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{
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if(*e==gap_char[0]||*e==gap_char[1])
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{
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return BaseString<T>(e+1,p-e);
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}
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--e;
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}
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}
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return(BaseString<T>());
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}
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inline UTF8String MergeFilename(const UTF8String &pathname,const UTF8String &filename) ///<组合路径名与文件名
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{return MergeFilename<char>(pathname,filename,HGL_DIRECTORY_SEPARATOR,HGL_DIRECTORY_SEPARATOR_U8STR);}
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inline WideString MergeFilename(const WideString &pathname,const WideString &filename) ///<组合路径名与文件名
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{return MergeFilename<wchar_t>(pathname,filename,L'\\',L"\\");}
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bool FileCopy(const OSString &,const OSString &); ///<文件复制
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bool FileDelete(const OSString &); ///<文件删除
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bool FileMove(const OSString &,const OSString &); ///<文件移动
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bool FileRename(const OSString &,const OSString &); ///<文件改名
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bool FileExist(const OSString &); ///<文件确认是否存在
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bool FileComp(const OSString &,const OSString &); ///<文件比较
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bool FileCanRead(const OSString &); ///<检测文件是否可读
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bool FileCanWrite(const OSString &); ///<检测文件是否可写
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bool FileCanExec(const OSString &); ///<检测文件是否可执行
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2020-04-08 18:08:18 +08:00
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int64 LoadFileToMemory(const OSString &,void **,bool append_zero=false); ///<加载一个文件到内存
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2019-08-19 19:19:58 +08:00
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int64 SaveMemoryToFile(const OSString &,const void *,const int64 &); ///<保存一块内存成文件
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int64 SaveMemoryToFile(const OSString &,void **,const int64 *,const int &); ///<保存多块内存成一个文件
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void *LoadFileToMemory(const OSString &,int64,void *buf,int64); ///<加载一个文件的一部分到内存
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bool SaveMemoryToFile(const OSString &,int64,const void *,int64); ///<保存一块内存到一个文件
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bool IsDirectory(const os_char *);
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inline bool IsDirectory(const OSString &str){return IsDirectory(str.c_str());} ///<判断这个名称是否是目录
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#if HGL_OS != HGL_OS_Windows
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bool IsLink(const os_char *); ///<判断这个名称是否是链接
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#endif//
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bool MakePath(const OSString &); ///<创建一个路径
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bool DeletePath(const OSString &); ///<删除一个路径
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void DeleteTree(const OSString &); ///<删除一个路径(包含所有文件)
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bool GetCurrentPath(OSString &); ///<取得当前路径
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bool GetCurrentProgram(OSString &); ///<取得当前程序全路径名称
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bool GetCurrentProgramPath(OSString &); ///<取得当前程序所在路径
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void GetLocalAppdataPath(os_char fn[HGL_MAX_PATH]); ///<取得当前用户应用程序数据存放路径
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//使用int64而不是__int64是因为不是所有编译器都支持__int64的写法,必须使用DataType.H中引入的定义
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/**
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* 文件信息数据结构
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*/
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struct FileInfo ///文件信息
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{
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os_char name[HGL_MAX_PATH]; ///<文件名(不包含路径)
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os_char fullname[HGL_MAX_PATH]; ///<完整名称(包含路径)
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uint64 size; ///<文件长度
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union
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{
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uint32 attrib; ///<文件属性
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struct
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{
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bool is_file:1; ///<是文件
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bool is_directory:1; ///<是目录
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bool is_hiddle:1; ///<是否隐藏文件
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#if HGL_OS != HGL_OS_Windows
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bool is_link:1; ///<是否是链接
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#endif//HGL_OS != HGL_OS_Windows
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bool can_read:1; ///<可以读
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bool can_write:1; ///<可以写
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};
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};
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uint64 mtime; ///<最后修改日期(这个值在win/unix下不通用)
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};//struct FileInfo
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bool GetFileInfo(const os_char *filename,struct FileInfo &); ///<取得文件信息
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int GetFileInfoList(List<FileInfo> &, const OSString &folder_name, bool proc_folder, bool proc_file, bool sub_folder);
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}//namespace filesystem
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}//namespace hgl
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#endif//HGL_FILE_SYSTEM_INCLUDE
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