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>

7 files changed, 12 insertions, 12 deletions

diff --git a/forms/source/component/Button.cxx b/forms/source/component/Button.cxx
index 4c6adca2a7db..2bb0ea6b8187 100644
--- a/forms/source/component/Button.cxx
+++ b/forms/source/component/Button.cxx
@@ -212,8 +212,8 @@ void OButtonModel::read(const Reference<XObjectInputStream>& _rxInStream) throw
         default:
             OSL_FAIL("OButtonModel::read : unknown version !");
             m_eButtonType = FormButtonType_PUSH;
-            m_sTargetURL = OUString();
-            m_sTargetFrame = OUString();
+            m_sTargetURL.clear();
+            m_sTargetFrame.clear();
             break;
     }
 }
diff --git a/forms/source/component/ComboBox.cxx b/forms/source/component/ComboBox.cxx
index 8e3bfff3861d..76bc4cfee15b 100644
--- a/forms/source/component/ComboBox.cxx
+++ b/forms/source/component/ComboBox.cxx
@@ -387,9 +387,9 @@ void SAL_CALL OComboBoxModel::read(const Reference<css::io::XObjectInputStream>&
     if (nVersion > 0x0006)
     {
         OSL_FAIL("OComboBoxModel::read : invalid (means unknown) version !");
-        m_aListSource = OUString();
+        m_aListSource.clear();
         m_aBoundColumn <<= (sal_Int16)0;
-        m_aDefaultText = OUString();
+        m_aDefaultText.clear();
         m_eListSourceType = ListSourceType_TABLE;
         m_bEmptyIsNull = true;
         defaultCommonProperties();
@@ -407,7 +407,7 @@ void SAL_CALL OComboBoxModel::read(const Reference<css::io::XObjectInputStream>&
     }
     else // nVersion == 4
     {
-        m_aListSource = OUString();
+        m_aListSource.clear();
         StringSequence aListSource;
         _rxInStream >> aListSource;
         const OUString* pToken = aListSource.getConstArray();
diff --git a/forms/source/component/File.cxx b/forms/source/component/File.cxx
index 5274b1cf35d8..34e437e0c57c 100644
--- a/forms/source/component/File.cxx
+++ b/forms/source/component/File.cxx
@@ -232,7 +232,7 @@ void OFileControlModel::read(const Reference<css::io::XObjectInputStream>& _rxIn
             break;
         default:
             OSL_FAIL("OFileControlModel::read : unknown version !");
-            m_sDefaultValue = OUString();
+            m_sDefaultValue.clear();
     }
 
     // Display default values after read
diff --git a/forms/source/component/Hidden.cxx b/forms/source/component/Hidden.cxx
index deb58cef4646..5b8437084210 100644
--- a/forms/source/component/Hidden.cxx
+++ b/forms/source/component/Hidden.cxx
@@ -164,7 +164,7 @@ void SAL_CALL OHiddenModel::read(const Reference<XObjectInputStream>& _rxInStrea
     {
         case 1 : { OUString sDummy; _rxInStream >> sDummy; _rxInStream >> m_sHiddenValue; } break;
         case 2 : _rxInStream >> m_sHiddenValue; break;
-        default : OSL_FAIL("OHiddenModel::read : unknown version !"); m_sHiddenValue = OUString();
+        default : OSL_FAIL("OHiddenModel::read : unknown version !"); m_sHiddenValue.clear();
     }
     OControlModel::read(_rxInStream);
 }
diff --git a/forms/source/component/ImageButton.cxx b/forms/source/component/ImageButton.cxx
index 1802437dfae0..936c69194f7e 100644
--- a/forms/source/component/ImageButton.cxx
+++ b/forms/source/component/ImageButton.cxx
@@ -138,8 +138,8 @@ void OImageButtonModel::read(const Reference<XObjectInputStream>& _rxInStream) t
         default :
             OSL_FAIL("OImageButtonModel::read : unknown version !");
             m_eButtonType = FormButtonType_PUSH;
-            m_sTargetURL = OUString();
-            m_sTargetFrame = OUString();
+            m_sTargetURL.clear();
+            m_sTargetFrame.clear();
             break;
     }
 }
diff --git a/forms/source/component/ImageControl.cxx b/forms/source/component/ImageControl.cxx
index 22d2c5aedf4d..f94b32e4cabf 100644
--- a/forms/source/component/ImageControl.cxx
+++ b/forms/source/component/ImageControl.cxx
@@ -550,7 +550,7 @@ void OImageControlModel::onDisconnectedDbColumn()
 {
     OBoundControlModel::onDisconnectedDbColumn();
 
-    m_sDocumentURL = OUString();
+    m_sDocumentURL.clear();
 }
 
 
diff --git a/forms/source/component/imgprod.cxx b/forms/source/component/imgprod.cxx
index b692155d0026..948e8c8220d3 100644
--- a/forms/source/component/imgprod.cxx
+++ b/forms/source/component/imgprod.cxx
@@ -244,7 +244,7 @@ void ImageProducer::SetImage( const OUString& rPath )
 
 void ImageProducer::SetImage( SvStream& rStm )
 {
-    maURL = OUString();
+    maURL.clear();
     mpGraphic->Clear();
     mbConsInit = false;
 
@@ -256,7 +256,7 @@ void ImageProducer::SetImage( SvStream& rStm )
 
 void ImageProducer::setImage( ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > & rInputStmRef )
 {
-    maURL = OUString();
+    maURL.clear();
     mpGraphic->Clear();
     mbConsInit = false;
     delete mpStm;