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797d87b451
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@956 a592a061-630c-0410-9148-cb99ea01b6c8
150 lines
3.0 KiB
C++
150 lines
3.0 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2000 The LyX Team.
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*
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* ====================================================== */
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#ifndef FILE_INFO_H
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#define FILE_INFO_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <ctime>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "LString.h"
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/** Use objects of this class to get information about files.
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*/
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class FileInfo {
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public:
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///
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FileInfo();
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/** Get information about file.
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If link is true, the information is about the link itself, not
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the file that is obtained by tracing the links. */
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explicit
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FileInfo(string const & path, bool link = false);
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/// File descriptor
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explicit
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FileInfo(int fildes);
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/// Query a new file
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FileInfo & newFile(string const & path, bool link = false);
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/// Query a new file descriptor
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FileInfo & newFile(int fildes);
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/// Returns a character describing file type (ls -F)
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char const * typeIndicator() const;
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/// File protection mode
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mode_t getMode() const;
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/// Constructs standard mode string (ls style)
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void modeString(char * szString) const;
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/// returns a letter describing a file type (ls style)
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char typeLetter() const;
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/// builds 'rwx' string describing file access rights
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void flagRWX(unsigned short i, char * szString) const;
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/// updates mode string to match suid/sgid/sticky bits
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void setSticky(char * szString) const;
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///
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time_t getModificationTime() const;
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///
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time_t getAccessTime() const;
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///
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time_t getStatusChangeTime() const;
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/// Total file size in bytes
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off_t getSize() const;
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/// Number of hard links
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nlink_t getNumberOfLinks() const;
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/// User ID of owner
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uid_t getUid() const;
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/// Group ID of owner
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gid_t getGid() const;
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/// Is the file information correct? Did the query succeed?
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bool isOK() const;
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/// Permission flags
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enum perm_test {
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/// test for read permission
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rperm = R_OK,
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/// test for write permission
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wperm = W_OK,
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/// test for execute (search) permission
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xperm = X_OK,
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/// test for existence of file
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eperm = F_OK
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};
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/// Test whether the current user has a given set of permissions
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bool access(int p);
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/// Is the file writable for the current user?
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bool writable() { return access(FileInfo::wperm); }
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/// Is the file readable for the current user?
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bool readable() { return access(FileInfo::rperm); }
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/// Is the file executable for the current user?
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bool executable() { return access(FileInfo::xperm); }
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/// Does the file exist?
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bool exist() { return access(FileInfo::eperm); }
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///
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bool isLink() const;
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///
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bool isRegular() const;
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///
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bool isDir() const;
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///
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bool isChar() const;
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///
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bool isBlock() const;
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///
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bool isFifo() const;
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///
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bool isSocket() const;
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///
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int getError() const;
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///
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enum Err {
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///
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NoErr = -1
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};
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private:
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///
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void init();
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///
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void dostat(bool);
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///
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struct stat buf;
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///
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int status;
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///
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int err;
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///
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string fname;
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};
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#endif
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