Diffstat (limited to 'qmake/tools/qfileinfo_unix.cpp') (more/less context) (ignore whitespace changes)
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diff --git a/qmake/tools/qfileinfo_unix.cpp b/qmake/tools/qfileinfo_unix.cpp new file mode 100644 index 0000000..f7c3a97 --- a/dev/null +++ b/qmake/tools/qfileinfo_unix.cpp @@ -0,0 +1,331 @@ +/**************************************************************************** +** $Id$ +** +** Implementation of QFileInfo class +** +** Created : 950628 +** +** Copyright (C) 1992-2002 Trolltech AS. All rights reserved. +** +** This file is part of the tools module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses for Unix/X11 or for Qt/Embedded may use this file in accordance +** with the Qt Commercial License Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#include "qplatformdefs.h" +#include "qfileinfo.h" +#include "qfiledefs_p.h" +#include "qdatetime.h" +#include "qdir.h" + +#include <limits.h> + + +void QFileInfo::slashify( QString& ) +{ + return; +} + + +void QFileInfo::makeAbs( QString & ) +{ + return; +} + +/*! + Returns TRUE if this object points to a file. Returns FALSE if the + object points to something which isn't a file, e.g. a directory or + a symlink. + + \sa isDir(), isSymLink() +*/ +bool QFileInfo::isFile() const +{ + if ( !fic || !cache ) + doStat(); + return fic ? (fic->st.st_mode & S_IFMT) == S_IFREG : FALSE; +} + +/*! + Returns TRUE if this object points to a directory or to a symbolic + link to a directory; otherwise returns FALSE. + + \sa isFile(), isSymLink() +*/ +bool QFileInfo::isDir() const +{ + if ( !fic || !cache ) + doStat(); + return fic ? (fic->st.st_mode & S_IFMT) == S_IFDIR : FALSE; +} + +/*! + Returns TRUE if this object points to a symbolic link (or to a + shortcut on Windows); otherwise returns FALSE. + + \sa isFile(), isDir(), readLink() +*/ + +bool QFileInfo::isSymLink() const +{ + if ( !fic || !cache ) + doStat(); + return symLink; +} + +/*! + Returns the name a symlink (or shortcut on Windows) points to, or + a QString::null if the object isn't a symbolic link. + + This name may not represent an existing file; it is only a string. + QFileInfo::exists() returns TRUE if the symlink points to an + existing file. + + \sa exists(), isSymLink(), isDir(), isFile() +*/ + +QString QFileInfo::readLink() const +{ + QString r; + +#if defined(Q_OS_UNIX) && !defined(Q_OS_OS2EMX) + char s[PATH_MAX+1]; + if ( !isSymLink() ) + return QString(); + int len = readlink( QFile::encodeName(fn).data(), s, PATH_MAX ); + if ( len >= 0 ) { + s[len] = '\0'; + r = QFile::decodeName(s); + } +#endif + + return r; +} + +static const uint nobodyID = (uint) -2; + +/*! + Returns the owner of the file. On Windows, on systems where files + do not have owners, or if an error occurs, QString::null is + returned. + + This function can be time consuming under Unix (in the order of + milliseconds). + + \sa ownerId(), group(), groupId() +*/ + +QString QFileInfo::owner() const +{ + passwd *pw = getpwuid( ownerId() ); + if ( pw ) + return QFile::decodeName( pw->pw_name ); + return QString::null; +} + +/*! + Returns the id of the owner of the file. + + On Windows and on systems where files do not have owners this + function returns ((uint) -2). + + \sa owner(), group(), groupId() +*/ + +uint QFileInfo::ownerId() const +{ + if ( !fic || !cache ) + doStat(); + if ( fic ) + return fic->st.st_uid; + return nobodyID; +} + +/*! + Returns the group of the file. On Windows, on systems where files + do not have groups, or if an error occurs, QString::null is + returned. + + This function can be time consuming under Unix (in the order of + milliseconds). + + \sa groupId(), owner(), ownerId() +*/ + +QString QFileInfo::group() const +{ + struct group *gr = getgrgid( groupId() ); + if ( gr ) + return QFile::decodeName( gr->gr_name ); + return QString::null; +} + +/*! + Returns the id of the group the file belongs to. + + On Windows and on systems where files do not have groups this + function always returns (uint) -2. + + \sa group(), owner(), ownerId() +*/ + +uint QFileInfo::groupId() const +{ + if ( !fic || !cache ) + doStat(); + if ( fic ) + return fic->st.st_gid; + return nobodyID; +} + + +/*! + Tests for file permissions. The \a permissionSpec argument can be + several flags of type \c PermissionSpec OR-ed together to check + for permission combinations. + + On systems where files do not have permissions this function + always returns TRUE. + + Example: + \code + QFileInfo fi( "/tmp/archive.tar.gz" ); + if ( fi.permission( QFileInfo::WriteUser | QFileInfo::ReadGroup ) ) + qWarning( "I can change the file; my group can read the file."); + if ( fi.permission( QFileInfo::WriteGroup | QFileInfo::WriteOther ) ) + qWarning( "The group or others can change the file!" ); + \endcode + + \sa isReadable(), isWritable(), isExecutable() +*/ + +bool QFileInfo::permission( int permissionSpec ) const +{ + if ( !fic || !cache ) + doStat(); + if ( fic ) { + uint mask = 0; + if ( permissionSpec & ReadUser ) + mask |= S_IRUSR; + if ( permissionSpec & WriteUser ) + mask |= S_IWUSR; + if ( permissionSpec & ExeUser ) + mask |= S_IXUSR; + if ( permissionSpec & ReadGroup ) + mask |= S_IRGRP; + if ( permissionSpec & WriteGroup ) + mask |= S_IWGRP; + if ( permissionSpec & ExeGroup ) + mask |= S_IXGRP; + if ( permissionSpec & ReadOther ) + mask |= S_IROTH; + if ( permissionSpec & WriteOther ) + mask |= S_IWOTH; + if ( permissionSpec & ExeOther ) + mask |= S_IXOTH; + if ( mask ) { + return (fic->st.st_mode & mask) == mask; + } else { +#if defined(QT_CHECK_NULL) + qWarning( "QFileInfo::permission: permissionSpec is 0" ); +#endif + return TRUE; + } + } else { + return FALSE; + } +} + +void QFileInfo::doStat() const +{ + QFileInfo *that = ((QFileInfo*)this); // mutable function + if ( !that->fic ) + that->fic = new QFileInfoCache; + that->symLink = FALSE; + struct stat *b = &that->fic->st; +#if defined(Q_OS_UNIX) && defined(S_IFLNK) + if ( ::lstat( QFile::encodeName(fn), b ) == 0 ) { + if ( S_ISLNK( b->st_mode ) ) + that->symLink = TRUE; + else + return; + } +#endif + + int r = ::stat( QFile::encodeName(fn), b ); + if ( r != 0 && !that->symLink ) { + delete that->fic; + that->fic = 0; + } +} + +/*! + Returns the file's path. + + If \a absPath is TRUE an absolute path is returned. + + \sa dir(), filePath(), fileName(), isRelative() +*/ +#ifndef QT_NO_DIR +QString QFileInfo::dirPath( bool absPath ) const +{ + QString s; + if ( absPath ) + s = absFilePath(); + else + s = fn; + int pos = s.findRev( '/' ); + if ( pos == -1 ) { + return QString::fromLatin1( "." ); + } else { + if ( pos == 0 ) + return QString::fromLatin1( "/" ); + return s.left( pos ); + } +} +#endif + +/*! + Returns the name of the file, excluding the path. + + Example: + \code + QFileInfo fi( "/tmp/archive.tar.gz" ); + QString name = fi.fileName(); // name = "archive.tar.gz" + \endcode + + \sa isRelative(), filePath(), baseName(), extension() +*/ + +QString QFileInfo::fileName() const +{ + int p = fn.findRev( '/' ); + if ( p == -1 ) { + return fn; + } else { + return fn.mid( p + 1 ); + } +} |