String Cleanup and news OUString methods/constructors

Change-Id: Ia6142020330d0e12650fdc519b66f00e607eac42
Reviewed-on: https://gerrit.libreoffice.org/1491
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

2 files changed, 159 insertions, 24 deletions

diff --git a/unotools/inc/unotools/tempfile.hxx b/unotools/inc/unotools/tempfile.hxx
index 448e729a3998..971bad943e11 100644
--- a/unotools/inc/unotools/tempfile.hxx
+++ b/unotools/inc/unotools/tempfile.hxx
@@ -69,6 +69,9 @@ public:
                     TempFile( const String& rLeadingChars, const String* pExtension=NULL, const String* pParent=NULL,
                                 sal_Bool bDirectory=sal_False);
 
+                    TempFile( const OUString& rLeadingChars, const OUString* pExtension=NULL, const OUString* pParent=NULL,
+                                sal_Bool bDirectory=sal_False);
+
                     /**
                     Same as above; additionally the name starts with some given characters followed by a counter ( example:
                     rLeadingChars="abc" means "abc0","abc1" and so on, depending on existing files in the folder ).
diff --git a/unotools/source/ucbhelper/tempfile.cxx b/unotools/source/ucbhelper/tempfile.cxx
index 1782dcf6a011..754d9eb4f088 100644
--- a/unotools/source/ucbhelper/tempfile.cxx
+++ b/unotools/source/ucbhelper/tempfile.cxx
@@ -42,7 +42,7 @@ using namespace osl;
 namespace
 {
     struct TempNameBase_Impl
-        : public rtl::Static< ::rtl::OUString, TempNameBase_Impl > {};
+        : public rtl::Static< OUString, TempNameBase_Impl > {};
 }
 
 namespace utl
@@ -60,23 +60,23 @@ struct TempFile_Impl
                     {}
 };
 
-rtl::OUString getParentName( const rtl::OUString& aFileName )
+OUString getParentName( const OUString& aFileName )
 {
     sal_Int32 lastIndex = aFileName.lastIndexOf( sal_Unicode('/') );
-    rtl::OUString aParent = aFileName.copy( 0,lastIndex );
+    OUString aParent = aFileName.copy( 0,lastIndex );
 
     if( aParent[ aParent.getLength()-1] == sal_Unicode(':') && aParent.getLength() == 6 )
-        aParent += rtl::OUString("/");
+        aParent += "/";
 
-    if( 0 == aParent.compareToAscii( "file://" ) )
-        aParent = rtl::OUString("file:///");
+    if( aParent == "file://" )
+        aParent = "file:///";
 
     return aParent;
 }
 
-sal_Bool ensuredir( const rtl::OUString& rUnqPath )
+sal_Bool ensuredir( const OUString& rUnqPath )
 {
-    rtl::OUString aPath;
+    OUString aPath;
     if ( rUnqPath.isEmpty() )
         return sal_False;
 
@@ -107,7 +107,7 @@ umask(old_mode);
     if( !bSuccess )
     {
         // perhaps parent(s) don't exist
-        rtl::OUString aParentDir = getParentName( aPath );
+        OUString aParentDir = getParentName( aPath );
         if ( aParentDir != aPath )
         {
             bSuccess = ensuredir( getParentName( aPath ) );
@@ -136,10 +136,10 @@ String ConstructTempDir_Impl( const String* pParent )
                     comphelper::getProcessComponentContext() ) );
 
         // if parent given try to use it
-        rtl::OUString aTmp( *pParent );
+        OUString aTmp( *pParent );
 
         // test for valid filename
-        rtl::OUString aRet;
+        OUString aRet;
         ::osl::FileBase::getFileURLFromSystemPath(
             ::ucbhelper::getSystemPathFromFileURL( pBroker, aTmp ),
             aRet );
@@ -157,10 +157,10 @@ String ConstructTempDir_Impl( const String* pParent )
 
     if ( !aName.Len() )
     {
-        ::rtl::OUString &rTempNameBase_Impl = TempNameBase_Impl::get();
+        OUString &rTempNameBase_Impl = TempNameBase_Impl::get();
         if (rTempNameBase_Impl.isEmpty())
         {
-            ::rtl::OUString ustrTempDirURL;
+            OUString ustrTempDirURL;
             ::osl::FileBase::RC rc = ::osl::File::getTempDirURL(
                 ustrTempDirURL );
             if (rc == ::osl::FileBase::E_None)
@@ -180,6 +180,62 @@ String ConstructTempDir_Impl( const String* pParent )
     return aName;
 }
 
+OUString ConstructTempDir_Impl( const OUString* pParent )
+{
+    OUString aName;
+    if ( pParent && pParent->getLength() )
+    {
+        com::sun::star::uno::Reference<
+            com::sun::star::ucb::XUniversalContentBroker > pBroker(
+                com::sun::star::ucb::UniversalContentBroker::create(
+                    comphelper::getProcessComponentContext() ) );
+
+        // if parent given try to use it
+        OUString aTmp( *pParent );
+
+        // test for valid filename
+        OUString aRet;
+        ::osl::FileBase::getFileURLFromSystemPath(
+            ::ucbhelper::getSystemPathFromFileURL( pBroker, aTmp ),
+            aRet );
+        if ( !aRet.isEmpty() )
+        {
+            ::osl::DirectoryItem aItem;
+            sal_Int32 i = aRet.getLength();
+            if ( aRet[i-1] == '/' )
+                i--;
+
+            if ( DirectoryItem::get( aRet.copy(0, i), aItem ) == FileBase::E_None )
+                aName = aRet;
+        }
+    }
+
+    if ( !aName.isEmpty() )
+    {
+        OUString &rTempNameBase_Impl = TempNameBase_Impl::get();
+        if (rTempNameBase_Impl.isEmpty())
+        {
+            OUString ustrTempDirURL;
+            ::osl::FileBase::RC rc = ::osl::File::getTempDirURL(
+                ustrTempDirURL );
+            if (rc == ::osl::FileBase::E_None)
+                rTempNameBase_Impl = ustrTempDirURL;
+        }
+        // if no parent or invalid parent : use default directory
+        DBG_ASSERT( !rTempNameBase_Impl.isEmpty(), "No TempDir!" );
+        aName = rTempNameBase_Impl;
+        ensuredir( aName );
+    }
+
+    // Make sure that directory ends with a separator
+    sal_Int32 i = aName.getLength();
+    if( i>0 && aName[i-1] != '/' )
+        aName += "/";
+
+    return aName;
+}
+
+
 void CreateTempName_Impl( String& rName, sal_Bool bKeep, sal_Bool bDir = sal_True )
 {
     // add a suitable tempname
@@ -187,7 +243,7 @@ void CreateTempName_Impl( String& rName, sal_Bool bKeep, sal_Bool bDir = sal_Tru
     unsigned const nRadix = 36;
     unsigned long const nMax = (nRadix*nRadix*nRadix*nRadix*nRadix*nRadix);
     String aName( rName );
-    aName += rtl::OUString( "lu" );
+    aName += OUString( "lu" );
 
     rName.Erase();
     static unsigned long u = Time::GetSystemTicks() % nMax;
@@ -195,8 +251,8 @@ void CreateTempName_Impl( String& rName, sal_Bool bKeep, sal_Bool bDir = sal_Tru
     {
         u %= nMax;
         String aTmp( aName );
-        aTmp += rtl::OUString::valueOf(static_cast<sal_Int64>(u), nRadix);
-        aTmp += rtl::OUString( ".tmp" );
+        aTmp += OUString::valueOf(static_cast<sal_Int64>(u), nRadix);
+        aTmp += OUString( ".tmp" );
 
         if ( bDir )
         {
@@ -272,7 +328,7 @@ void lcl_createName(TempFile_Impl& _rImpl,const String& rLeadingChars,sal_Bool _
         if ( pExtension )
             aTmp += *pExtension;
         else
-            aTmp += rtl::OUString( ".tmp" );
+            aTmp += OUString( ".tmp" );
         if ( bDirectory )
         {
             FileBase::RC err = Directory::create( aTmp );
@@ -321,6 +377,74 @@ umask(old_mode);
 }
 
 
+void lcl_createName(TempFile_Impl& _rImpl,const OUString& rLeadingChars,sal_Bool _bStartWithZero, const OUString* pExtension, const OUString* pParent, sal_Bool bDirectory)
+{
+    _rImpl.bIsDirectory = bDirectory;
+
+    // get correct directory
+    OUString aName = ConstructTempDir_Impl( pParent );
+
+    sal_Bool bUseNumber = _bStartWithZero;
+    // now use special naming scheme ( name takes leading chars and an index counting up from zero
+    aName += rLeadingChars;
+    for ( sal_Int32 i=0;; i++ )
+    {
+        OUString aTmp( aName );
+        if ( bUseNumber )
+            aTmp += OUString::valueOf( static_cast< sal_Int32>(i) );
+        bUseNumber = sal_True;
+        if ( pExtension )
+            aTmp += *pExtension;
+        else
+            aTmp += ".tmp";
+        if ( bDirectory )
+        {
+            FileBase::RC err = Directory::create( aTmp );
+            if ( err == FileBase::E_None )
+            {
+                _rImpl.aName = aTmp;
+                break;
+            }
+            else if ( err != FileBase::E_EXIST )
+                // if f.e. name contains invalid chars stop trying to create dirs
+                break;
+        }
+        else
+        {
+            File aFile( aTmp );
+#ifdef UNX
+/* RW permission for the user only! */
+ mode_t old_mode = umask(077);
+#endif
+            FileBase::RC err = aFile.open(osl_File_OpenFlag_Create);
+#ifdef UNX
+umask(old_mode);
+#endif
+            if ( err == FileBase::E_None || err == FileBase::E_NOLCK )
+            {
+                _rImpl.aName = aTmp;
+                aFile.close();
+                break;
+            }
+            else if ( err != FileBase::E_EXIST )
+            {
+                // if f.e. name contains invalid chars stop trying to create dirs
+                // but if there is a folder with such name proceed further
+
+                DirectoryItem aTmpItem;
+                FileStatus aTmpStatus( osl_FileStatus_Mask_Type );
+                if ( DirectoryItem::get( aTmp, aTmpItem ) != FileBase::E_None
+                  || aTmpItem.getFileStatus( aTmpStatus ) != FileBase::E_None
+                  || aTmpStatus.getFileType() != FileStatus::Directory )
+                    break;
+            }
+        }
+        if ( !_bStartWithZero )
+            aTmp += OUString::valueOf( static_cast<sal_Int32>(i) );
+    }
+}
+
+
 String TempFile::CreateTempName( const String* pParent )
 {
     // get correct directory
@@ -330,7 +454,7 @@ String TempFile::CreateTempName( const String* pParent )
     CreateTempName_Impl( aName, sal_False );
 
     // convert to file URL
-    rtl::OUString aTmp;
+    OUString aTmp;
     if ( aName.Len() )
         FileBase::getSystemPathFromFileURL( aName, aTmp );
     return aTmp;
@@ -355,6 +479,14 @@ TempFile::TempFile( const String& rLeadingChars, const String* pExtension, const
 {
     lcl_createName(*pImp,rLeadingChars,sal_True, pExtension, pParent, bDirectory);
 }
+
+TempFile::TempFile( const OUString& rLeadingChars, const OUString* pExtension, const OUString* pParent, sal_Bool bDirectory)
+    : pImp( new TempFile_Impl )
+    , bKillingFileEnabled( sal_False )
+{
+    lcl_createName(*pImp,rLeadingChars,sal_True, pExtension, pParent, bDirectory);
+}
+
 TempFile::TempFile( const String& rLeadingChars,sal_Bool _bStartWithZero, const String* pExtension, const String* pParent, sal_Bool bDirectory)
     : pImp( new TempFile_Impl )
     , bKillingFileEnabled( sal_False )
@@ -388,7 +520,7 @@ sal_Bool TempFile::IsValid() const
 
 String TempFile::GetFileName() const
 {
-    rtl::OUString aTmp;
+    OUString aTmp;
     FileBase::getSystemPathFromFileURL( pImp->aName, aTmp );
     return aTmp;
 }
@@ -397,7 +529,7 @@ String TempFile::GetURL() const
 {
     if ( !pImp->aURL.Len() )
     {
-        rtl::OUString aTmp;
+        OUString aTmp;
         LocalFileHelper::ConvertPhysicalNameToURL( GetFileName(), aTmp );
         pImp->aURL = aTmp;
     }
@@ -432,7 +564,7 @@ String TempFile::SetTempNameBaseDirectory( const String &rBaseName )
     if( !rBaseName.Len() )
         return String();
 
-    rtl::OUString aUnqPath( rBaseName );
+    OUString aUnqPath( rBaseName );
 
     // remove trailing slash
     if ( rBaseName.GetChar( rBaseName.Len() - 1 ) == sal_Unicode( '/' ) )
@@ -448,14 +580,14 @@ String TempFile::SetTempNameBaseDirectory( const String &rBaseName )
         bRet = sal_True;
 
     // failure to create base directory means returning an empty string
-    rtl::OUString aTmp;
+    OUString aTmp;
     if ( bRet )
     {
         // append own internal directory
         bRet = sal_True;
-        ::rtl::OUString &rTempNameBase_Impl = TempNameBase_Impl::get();
+        OUString &rTempNameBase_Impl = TempNameBase_Impl::get();
         rTempNameBase_Impl = rBaseName;
-        rTempNameBase_Impl += rtl::OUString('/');
+        rTempNameBase_Impl += "/";
 
         TempFile aBase( NULL, sal_True );
         if ( aBase.IsValid() )