fdo#86023 - O[U]String needs a 'clear' method

Added clear() method to OString and OUString class, Updated appropriate call-sites.

Change-Id: I0ba97fa6dc7af3e31b605953089a4e8e9c3e61ac
Signed-off-by: Stephan Bergmann <sbergman@redhat.com>

10 files changed, 27 insertions, 19 deletions

diff --git a/ucb/source/ucp/ftp/ftpdirp.hxx b/ucb/source/ucp/ftp/ftpdirp.hxx
index d7a1c4c7904b..c306989b838e 100644
--- a/ucb/source/ucp/ftp/ftpdirp.hxx
+++ b/ucb/source/ucp/ftp/ftpdirp.hxx
@@ -98,7 +98,8 @@ namespace ftp {
               m_nSize((sal_uInt32)(-1)) { }
 
         void clear() {
-            m_aURL = m_aName = OUString();
+            m_aURL.clear();
+            m_aName.clear();
             m_aDate = DateTime(0,0,0,0,0,0,0);
             m_nMode = INETCOREFTP_FILEMODE_UNKNOWN;
             m_nSize = sal_uInt32(-1);
diff --git a/ucb/source/ucp/hierarchy/hierarchyuri.hxx b/ucb/source/ucp/hierarchy/hierarchyuri.hxx
index c1467d8a8cfc..2a6be256c622 100644
--- a/ucb/source/ucp/hierarchy/hierarchyuri.hxx
+++ b/ucb/source/ucp/hierarchy/hierarchyuri.hxx
@@ -55,7 +55,7 @@ public:
     { init(); return m_aUri; }
 
     void setUri( const OUString & rUri )
-    { m_aPath = OUString(); m_aUri = rUri; m_bValid = false; }
+    { m_aPath.clear(); m_aUri = rUri; m_bValid = false; }
 
     const OUString & getParentUri() const
     { init(); return m_aParentUri; }
diff --git a/ucb/source/ucp/package/pkguri.cxx b/ucb/source/ucp/package/pkguri.cxx
index 59a983699991..306c0f67bd97 100644
--- a/ucb/source/ucp/package/pkguri.cxx
+++ b/ucb/source/ucp/package/pkguri.cxx
@@ -69,8 +69,11 @@ void PackageUri::init() const
     if ( !m_aUri.isEmpty() && m_aPath.isEmpty() )
     {
         // Note: Maybe it's a re-init, setUri only resets m_aPath!
-        m_aPackage = m_aParentUri = m_aName = m_aParam = m_aScheme
-            = OUString();
+        m_aPackage.clear();
+        m_aParentUri.clear();
+        m_aName.clear();
+        m_aParam.clear();
+        m_aScheme.clear();
 
         // URI must match at least: <sheme>://<non_empty_url_to_file>
         if ( ( m_aUri.getLength() < PACKAGE_URL_SCHEME_LENGTH + 4 ) )
diff --git a/ucb/source/ucp/package/pkguri.hxx b/ucb/source/ucp/package/pkguri.hxx
index 6711fe3f6668..edd6fee303ee 100644
--- a/ucb/source/ucp/package/pkguri.hxx
+++ b/ucb/source/ucp/package/pkguri.hxx
@@ -58,7 +58,7 @@ public:
     { init(); return m_aUri; }
 
     void setUri( const OUString & rPackageUri )
-    { m_aPath = OUString(); m_aUri = rPackageUri; m_bValid = false; }
+    { m_aPath.clear(); m_aUri = rPackageUri; m_bValid = false; }
 
     const OUString & getParentUri() const
     { init(); return m_aParentUri; }
diff --git a/ucb/source/ucp/tdoc/tdoc_provider.cxx b/ucb/source/ucp/tdoc/tdoc_provider.cxx
index c046df8120a5..df3ea9c93895 100644
--- a/ucb/source/ucp/tdoc/tdoc_provider.cxx
+++ b/ucb/source/ucp/tdoc/tdoc_provider.cxx
@@ -591,7 +591,7 @@ ContentProvider::queryStorageTitle( const OUString & rUri ) const
     if ( aUri.isRoot() )
     {
         // always empty.
-        aTitle = OUString();
+        aTitle.clear();
     }
     else if ( aUri.isDocument() )
     {
diff --git a/ucb/source/ucp/tdoc/tdoc_uri.hxx b/ucb/source/ucp/tdoc/tdoc_uri.hxx
index 8930a9d60a1e..d4ecdd2f528b 100644
--- a/ucb/source/ucp/tdoc/tdoc_uri.hxx
+++ b/ucb/source/ucp/tdoc/tdoc_uri.hxx
@@ -95,8 +95,12 @@ inline void Uri::setUri( const OUString & rUri )
 {
     m_eState = UNKNOWN;
     m_aUri = rUri;
-    m_aParentUri = m_aDocId = m_aInternalPath = m_aPath = m_aName
-        = m_aDecodedName = OUString();
+    m_aParentUri.clear();
+    m_aDocId.clear();
+    m_aInternalPath.clear();
+    m_aPath.clear();
+    m_aName.clear();
+    m_aDecodedName.clear();
 }
 
 inline bool Uri::isRoot() const
diff --git a/ucb/source/ucp/webdav-neon/DAVResourceAccess.cxx b/ucb/source/ucp/webdav-neon/DAVResourceAccess.cxx
index 93c2278a156e..e3d331b95a82 100644
--- a/ucb/source/ucp/webdav-neon/DAVResourceAccess.cxx
+++ b/ucb/source/ucp/webdav-neon/DAVResourceAccess.cxx
@@ -106,8 +106,8 @@ int DAVAuthListener_Impl::authenticate(
                     {
                         // This is the (strange) way to tell neon to use
                         // system credentials.
-                        inoutUserName = OUString();
-                        outPassWord   = OUString();
+                        inoutUserName.clear();
+                        outPassWord.clear();
                     }
                     else
                     {
@@ -1052,7 +1052,7 @@ void DAVResourceAccess::setURL( const OUString & rNewURL )
 {
     osl::Guard< osl::Mutex > aGuard( m_aMutex );
     m_aURL  = rNewURL;
-    m_aPath = OUString(); // Next initialize() will create new session.
+    m_aPath.clear(); // Next initialize() will create new session.
 }
 
 
diff --git a/ucb/source/ucp/webdav/DAVResourceAccess.cxx b/ucb/source/ucp/webdav/DAVResourceAccess.cxx
index 021d80b4d61d..b18a50456a06 100644
--- a/ucb/source/ucp/webdav/DAVResourceAccess.cxx
+++ b/ucb/source/ucp/webdav/DAVResourceAccess.cxx
@@ -98,8 +98,8 @@ int DAVAuthListener_Impl::authenticate(
                     {
                         // This is the (strange) way to tell neon to use
                         // system credentials.
-                        inoutUserName = OUString();
-                        outPassWord   = OUString();
+                        inoutUserName.clear();
+                        outPassWord.clear();
                     }
                     else
                     {
@@ -1040,7 +1040,7 @@ void DAVResourceAccess::setURL( const OUString & rNewURL )
 {
     osl::Guard< osl::Mutex > aGuard( m_aMutex );
     m_aURL  = rNewURL;
-    m_aPath = OUString(); // Next initialize() will create new session.
+    m_aPath.clear(); // Next initialize() will create new session.
 }
 
 
diff --git a/ucb/source/ucp/webdav/SerfRequestProcessor.cxx b/ucb/source/ucp/webdav/SerfRequestProcessor.cxx
index c0bda26f683c..06088d20a99f 100644
--- a/ucb/source/ucp/webdav/SerfRequestProcessor.cxx
+++ b/ucb/source/ucp/webdav/SerfRequestProcessor.cxx
@@ -76,8 +76,8 @@ void SerfRequestProcessor::prepareProcessor()
     delete mpDAVException;
     mpDAVException = 0;
     mnHTTPStatusCode = SC_NONE;
-    mHTTPStatusCodeText = OUString();
-    mRedirectLocation = OUString();
+    mHTTPStatusCodeText.clear();
+    mRedirectLocation.clear();
 
     mnSuccessfulCredentialAttempts = 0;
     mbInputOfCredentialsAborted = false;
diff --git a/ucb/source/ucp/webdav/webdavcontent.cxx b/ucb/source/ucp/webdav/webdavcontent.cxx
index 8b819a5549b0..222d0aa9119a 100644
--- a/ucb/source/ucp/webdav/webdavcontent.cxx
+++ b/ucb/source/ucp/webdav/webdavcontent.cxx
@@ -2038,7 +2038,7 @@ uno::Sequence< uno::Any > Content::setPropertyValues(
             else
             {
                 // Do not set new title!
-                aNewTitle = OUString();
+                aNewTitle.clear();
 
                 // Set error .
                 aRet[ nTitlePos ] <<= uno::Exception(
@@ -2049,7 +2049,7 @@ uno::Sequence< uno::Any > Content::setPropertyValues(
         catch ( DAVException const & e )
         {
             // Do not set new title!
-            aNewTitle = OUString();
+            aNewTitle.clear();
 
             // Set error .
             aRet[ nTitlePos ] <<= MapDAVException( e, true );
@@ -2724,7 +2724,7 @@ void Content::transfer(
         if ( aTitle == "/" )
         {
             // kso: ???
-            aTitle = OUString();
+            aTitle.clear();
         }
 
         targetURI.AppendPath( aTitle );