Add Qt3 development HEAD version

1 files changed, 400 insertions, 0 deletions

diff --git a/src/tools/qfileinfo_unix.cpp b/src/tools/qfileinfo_unix.cpp
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+++ b/src/tools/qfileinfo_unix.cpp
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+/****************************************************************************
+**
+** Implementation of QFileInfo class
+**
+** Created : 950628
+**
+** Copyright (C) 1992-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the tools module of the Qt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file.  Licensees holding valid Qt
+** Commercial licenses 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qplatformdefs.h"
+#include "qfileinfo.h"
+#include "qfiledefs_p.h"
+#include "qdatetime.h"
+#include "qdir.h"
+
+#include <limits.h>
+#if !defined(QWS) && defined(Q_OS_MAC)
+# include <qt_mac.h>
+#endif
+#if defined(Q_OS_HURD)
+# include <stdlib.h>
+#endif
+
+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, or an alias on Mac OS X); otherwise returns
+    FALSE.
+
+    \sa isFile(), isDir(), readLink()
+*/
+
+bool QFileInfo::isSymLink() const
+{
+    if ( !fic || !cache )
+	doStat();
+    if(symLink)
+        return TRUE;
+#if !defined(QWS) && defined(Q_OS_MAC)
+    {
+        FSRef fref;
+        if(FSPathMakeRef((const UInt8 *)QFile::encodeName(fn).data(), &fref, NULL) == noErr) {
+            Boolean isAlias, isFolder;
+            if(FSIsAliasFile(&fref, &isAlias, &isFolder) == noErr)
+                return isAlias;
+        }
+    }
+#endif
+    return FALSE;
+}
+
+/*!
+    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
+{
+    if ( !isSymLink() )
+        return QString();
+#if defined(Q_OS_UNIX) && !defined(Q_OS_OS2EMX)
+#if defined(__GLIBC__) && !defined(PATH_MAX)
+    int size = 256;
+    char *s = NULL, *s2;
+
+    while (1)
+    {
+        s2 = (char *) realloc (s, size);
+        if (s2 == NULL) {
+            free( s );
+            return QString();
+        }
+        s = s2;
+        int len = readlink ( QFile::encodeName(fn).data(), s, size );
+        if ( len < 0 ) {
+            free( s );
+            return QString();
+        }
+        if ( len < size ) {
+            s[len] = '\0';
+            QString str = QFile::decodeName(s);
+            free(s);
+            return str;
+        }
+        size *= 2;
+    }
+#else
+    char s[PATH_MAX+1];
+    int len = readlink( QFile::encodeName(fn).data(), s, PATH_MAX );
+    if ( len >= 0 ) {
+	s[len] = '\0';
+	return QFile::decodeName(s);
+    }
+#endif /* __GLIBC__ && !PATH_MAX */
+#endif /* Q_OS_UNIX && !Q_OS_OS2EMX */
+#if !defined(QWS) && defined(Q_OS_MAC)
+    {
+        FSRef fref;
+        if(FSPathMakeRef((const UInt8 *)QFile::encodeName(fn).data(), &fref, NULL) == noErr) {
+            Boolean isAlias, isFolder;
+            if(FSResolveAliasFile(&fref, TRUE, &isFolder, &isAlias) == noErr && isAlias) {
+                AliasHandle alias;
+                if(FSNewAlias(0, &fref, &alias) == noErr && alias) {
+                    CFStringRef cfstr;
+                    if(FSCopyAliasInfo(alias, 0, 0, &cfstr, 0, 0) == noErr) {
+                        QString cfstring2qstring(CFStringRef str); //qglobal.cpp
+                        return cfstring2qstring(cfstr);
+                    }
+                }
+            }
+        }
+    }
+#endif
+    return QString();
+}
+
+static const uint nobodyID = (uint) -2;
+
+/*!
+    Returns the owner of the file. 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 & ReadOwner )
+	    mask |= S_IRUSR;
+	if ( permissionSpec & WriteOwner )
+	    mask |= S_IWUSR;
+	if ( permissionSpec & ExeOwner )
+	    mask |= S_IXUSR;
+	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 );
+    }
+}