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, 104 insertions, 13 deletions

diff --git a/tools/inc/tools/tempfile.hxx b/tools/inc/tools/tempfile.hxx
index 9e84adc96a51..315ba24b32e1 100644
--- a/tools/inc/tools/tempfile.hxx
+++ b/tools/inc/tools/tempfile.hxx
@@ -41,7 +41,8 @@ public:
         The extension string may be f.e. ".txt" or "", if no extension string is
         given, ".tmp" is used.
     */
-    TempFile( const String& rLeadingChars, const String* pExtension=NULL, const String* pParent=NULL, sal_Bool bDirectory=sal_False );
+    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 );
 
     /** TempFile will be removed from disk in dtor if EnableKillingTempFile was
         called before. TempDirs will be removed recursively in that case. */
diff --git a/tools/source/fsys/tempfile.cxx b/tools/source/fsys/tempfile.cxx
index 7a3f9dfc2f0a..685960956c31 100644
--- a/tools/source/fsys/tempfile.cxx
+++ b/tools/source/fsys/tempfile.cxx
@@ -35,7 +35,7 @@
 
 using namespace osl;
 
-namespace { struct TempNameBase_Impl : public rtl::Static< ::rtl::OUString, TempNameBase_Impl > {}; }
+namespace { struct TempNameBase_Impl : public rtl::Static< OUString, TempNameBase_Impl > {}; }
 
 struct TempFile_Impl
 {
@@ -48,9 +48,9 @@ String GetSystemTempDir_Impl()
     char sBuf[_MAX_PATH];
     const char *pDir = TempDirImpl(sBuf);
 
-    ::rtl::OString aTmpA( pDir );
-    ::rtl::OUString aTmp = ::rtl::OStringToOUString( aTmpA, osl_getThreadTextEncoding() );
-    rtl::OUString aRet;
+    OString aTmpA( pDir );
+    OUString aTmp = ::rtl::OStringToOUString( aTmpA, osl_getThreadTextEncoding() );
+    OUString aRet;
     FileBase::getFileURLFromSystemPath( aTmp, aRet );
     String aName = aRet;
     if( aName.GetChar(aName.Len()-1) != '/' )
@@ -66,8 +66,8 @@ String ConstructTempDir_Impl( const String* pParent )
     if ( pParent && pParent->Len() )
     {
         // if parent given try to use it
-        rtl::OUString aTmp( *pParent );
-        rtl::OUString aRet;
+        OUString aTmp( *pParent );
+        OUString aRet;
 
         // test for valid filename
         {
@@ -84,7 +84,7 @@ String ConstructTempDir_Impl( const String* pParent )
     if ( !aName.Len() )
     {
         // if no parent or invalid parent : use system directory
-    ::rtl::OUString& rTempNameBase_Impl = TempNameBase_Impl::get();
+        OUString& rTempNameBase_Impl = TempNameBase_Impl::get();
         if ( rTempNameBase_Impl.isEmpty() )
             rTempNameBase_Impl = GetSystemTempDir_Impl();
         aName = rTempNameBase_Impl;
@@ -98,6 +98,45 @@ String ConstructTempDir_Impl( const String* pParent )
     return aName;
 }
 
+OUString ConstructTempDir_Impl( const OUString* pParent )
+{
+    OUString aName;
+    if ( pParent && pParent->getLength() )
+    {
+        // if parent given try to use it
+        OUString aTmp( *pParent );
+        OUString aRet;
+
+        // test for valid filename
+        {
+            ::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() )
+    {
+        // if no parent or invalid parent : use system directory
+        OUString& rTempNameBase_Impl = TempNameBase_Impl::get();
+        if ( rTempNameBase_Impl.isEmpty() )
+            rTempNameBase_Impl = GetSystemTempDir_Impl();
+        aName = rTempNameBase_Impl;
+    }
+
+    // Make sure that directory ends with a separator
+    xub_StrLen 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
@@ -105,14 +144,14 @@ void CreateTempName_Impl( String& rName, sal_Bool bKeep, sal_Bool bDir = sal_Tru
     // ER 13.07.00  why not radix 36 [0-9A-Z] ?!?
     const unsigned nRadix = 26;
     String aName( rName );
-    aName += rtl::OUString("sv");
+    aName += OUString("sv");
 
     rName.Erase();
     static unsigned long u = Time::GetSystemTicks();
     for ( unsigned long nOld = u; ++u != nOld; )
     {
         u %= (nRadix*nRadix*nRadix);
-        rtl::OUString aTmp = rtl::OUStringBuffer(aName).
+        OUString aTmp = OUStringBuffer(aName).
             append((sal_Int32)(unsigned)u, nRadix).
             append(".tmp").
             makeStringAndClear();
@@ -191,13 +230,64 @@ TempFile::TempFile( const String& rLeadingChars, const String* pExtension,
     aName += rLeadingChars;
     for ( sal_Int32 i=0;; i++ )
     {
-        rtl::OUStringBuffer aTmpBuffer(aName);
+        OUStringBuffer aTmpBuffer(aName);
+        aTmpBuffer.append(i);
+        if ( pExtension )
+            aTmpBuffer.append(*pExtension);
+        else
+            aTmpBuffer.append(".tmp");
+        OUString aTmp = aTmpBuffer.makeStringAndClear();
+
+        if ( bDirectory )
+        {
+            FileBase::RC err = Directory::create( aTmp );
+            if ( err == FileBase::E_None )
+            {
+                pImp->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 );
+            FileBase::RC err = aFile.open(osl_File_OpenFlag_Create);
+            if ( err == FileBase::E_None )
+            {
+                pImp->aName = aTmp;
+                aFile.close();
+                break;
+            }
+            else if ( err != FileBase::E_EXIST )
+                // if f.e. name contains invalid chars stop trying to create dirs
+                break;
+        }
+    }
+}
+
+TempFile::TempFile( const OUString& rLeadingChars, const OUString* pExtension,
+                    const OUString* pParent, sal_Bool bDirectory )
+    : pImp( new TempFile_Impl )
+    , bKillingFileEnabled( sal_False )
+{
+    pImp-> bIsDirectory = bDirectory;
+
+    // get correct directory
+    OUString aName = ConstructTempDir_Impl( pParent );
+
+    // now use special naming scheme (name takes leading chars and an index couting up from zero
+    aName += rLeadingChars;
+    for ( sal_Int32 i=0;; i++ )
+    {
+        OUStringBuffer aTmpBuffer(aName);
         aTmpBuffer.append(i);
         if ( pExtension )
             aTmpBuffer.append(*pExtension);
         else
             aTmpBuffer.append(".tmp");
-        rtl::OUString aTmp = aTmpBuffer.makeStringAndClear();
+        OUString aTmp = aTmpBuffer.makeStringAndClear();
 
         if ( bDirectory )
         {
@@ -248,7 +338,7 @@ TempFile::~TempFile()
 
 String TempFile::GetName() const
 {
-    rtl::OUString aTmp;
+    OUString aTmp;
     aTmp = pImp->aName;
     return aTmp;
 }