fdo#75757: remove inheritance to std::vector

... by boost::ptr_vector.
Originally TextCharAttribList::Clear() was never called with false,
so this drops the argument.

Change-Id: I0306cd787dd38de0960af38afe9c08a910195b26
Reviewed-on: https://gerrit.libreoffice.org/10549
Tested-by: LibreOffice gerrit bot <gerrit@libreoffice.org>
Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>

4 files changed, 52 insertions, 85 deletions

diff --git a/include/vcl/txtattr.hxx b/include/vcl/txtattr.hxx
index d0075187f480..98a679c79c6f 100644
--- a/include/vcl/txtattr.hxx
+++ b/include/vcl/txtattr.hxx
@@ -171,7 +171,7 @@ public:
 
     inline bool     IsIn( sal_uInt16 nIndex );
     inline bool     IsInside( sal_uInt16 nIndex );
-    inline bool     IsEmpty();
+    inline bool     IsEmpty() const;
 
 };
 
@@ -217,7 +217,7 @@ inline bool TextCharAttrib::IsInside( sal_uInt16 nIndex )
     return ( ( mnStart < nIndex ) && ( mnEnd > nIndex ) );
 }
 
-inline bool TextCharAttrib::IsEmpty()
+inline bool TextCharAttrib::IsEmpty() const
 {
     return mnStart == mnEnd;
 }
diff --git a/vcl/source/edit/textdoc.cxx b/vcl/source/edit/textdoc.cxx
index e96dacde26fb..01a06f22e7a0 100644
--- a/vcl/source/edit/textdoc.cxx
+++ b/vcl/source/edit/textdoc.cxx
@@ -19,11 +19,12 @@
 
 #include <textdoc.hxx>
 #include <stdlib.h>
+#include <boost/mem_fn.hpp>
 
 // compare function called by QuickSort
-static bool CompareStart( const TextCharAttrib* pFirst, const TextCharAttrib* pSecond )
+static bool CompareStart( const TextCharAttrib& pFirst, const TextCharAttrib& pSecond )
 {
-    return pFirst->GetStart() < pSecond->GetStart();
+    return pFirst.GetStart() < pSecond.GetStart();
 }
 
 TextCharAttrib::TextCharAttrib( const TextAttrib& rAttr, sal_uInt16 nStart, sal_uInt16 nEnd )
@@ -55,12 +56,9 @@ TextCharAttribList::~TextCharAttribList()
     // PTRARR_DEL
 }
 
-void TextCharAttribList::Clear( bool bDestroyAttribs )
+void TextCharAttribList::Clear()
 {
-    if ( bDestroyAttribs )
-        for(iterator it = begin(); it != end(); ++it)
-            delete *it;
-    TextCharAttribs::clear();
+    maAttribs.clear();
 }
 
 void TextCharAttribList::InsertAttrib( TextCharAttrib* pAttrib )
@@ -68,67 +66,57 @@ void TextCharAttribList::InsertAttrib( TextCharAttrib* pAttrib )
     if ( pAttrib->IsEmpty() )
         mbHasEmptyAttribs = true;
 
-    const sal_uInt16 nCount = size();
     const sal_uInt16 nStart = pAttrib->GetStart(); // maybe better for Comp.Opt.
     bool bInserted = false;
-    for ( sal_uInt16 x = 0; x < nCount; x++ )
+    for (TextCharAttribs::iterator it = maAttribs.begin(); it != maAttribs.end(); ++it)
     {
-        TextCharAttrib* pCurAttrib = GetAttrib( x );
-        if ( pCurAttrib->GetStart() > nStart )
+        if ( it->GetStart() > nStart )
         {
-            insert( begin() + x, pAttrib );
+            maAttribs.insert( it, pAttrib );
             bInserted = true;
             break;
         }
     }
     if ( !bInserted )
-        push_back( pAttrib );
+        maAttribs.push_back( pAttrib );
 }
 
 void TextCharAttribList::ResortAttribs()
 {
-    if ( !empty() )
-        std::sort( begin(), end(), CompareStart );
+    maAttribs.sort(CompareStart);
 }
 
 TextCharAttrib* TextCharAttribList::FindAttrib( sal_uInt16 nWhich, sal_uInt16 nPos )
 {
-    // backwards; if one ends there and the next starts there
-    // ==> the starting one counts
-    for ( sal_uInt16 nAttr = size(); nAttr; )
+    for (TextCharAttribs::reverse_iterator it = maAttribs.rbegin(); it != maAttribs.rend(); ++it)
     {
-        TextCharAttrib* pAttr = GetAttrib( --nAttr );
-
-        if ( pAttr->GetEnd() < nPos )
+        if ( it->GetEnd() < nPos )
             return 0;
 
-        if ( ( pAttr->Which() == nWhich ) && pAttr->IsIn(nPos) )
-            return pAttr;
+        if ( ( it->Which() == nWhich ) && it->IsIn(nPos) )
+            return &*it;
     }
     return NULL;
 }
 
-TextCharAttrib* TextCharAttribList::FindNextAttrib( sal_uInt16 nWhich, sal_uInt16 nFromPos, sal_uInt16 nMaxPos ) const
+const TextCharAttrib* TextCharAttribList::FindNextAttrib( sal_uInt16 nWhich, sal_uInt16 nFromPos, sal_uInt16 nMaxPos ) const
 {
     DBG_ASSERT( nWhich, "FindNextAttrib: Which?" );
-    const sal_uInt16 nAttribs = size();
-    for ( sal_uInt16 nAttr = 0; nAttr < nAttribs; nAttr++ )
+    for (TextCharAttribs::const_iterator it = maAttribs.begin(); it != maAttribs.end(); ++it)
     {
-        TextCharAttrib* pAttr = GetAttrib( nAttr );
-        if ( ( pAttr->GetStart() >= nFromPos ) &&
-             ( pAttr->GetEnd() <= nMaxPos ) &&
-             ( pAttr->Which() == nWhich ) )
-            return pAttr;
+        if ( ( it->GetStart() >= nFromPos ) &&
+             ( it->GetEnd() <= nMaxPos ) &&
+             ( it->Which() == nWhich ) )
+            return &*it;
     }
     return NULL;
 }
 
 bool TextCharAttribList::HasAttrib( sal_uInt16 nWhich ) const
 {
-    for ( sal_uInt16 nAttr = size(); nAttr; )
+    for (TextCharAttribs::const_reverse_iterator it = maAttribs.rbegin(); it != maAttribs.rend(); ++it)
     {
-        const TextCharAttrib* pAttr = GetAttrib( --nAttr );
-        if ( pAttr->Which() == nWhich )
+        if ( it->Which() == nWhich )
             return true;
     }
     return false;
@@ -136,16 +124,12 @@ bool TextCharAttribList::HasAttrib( sal_uInt16 nWhich ) const
 
 bool TextCharAttribList::HasBoundingAttrib( sal_uInt16 nBound )
 {
-    // backwards; if one ends there and the next starts there
-    // ==> the starting one counts
-    for ( sal_uInt16 nAttr = size(); nAttr; )
+    for (TextCharAttribs::reverse_iterator it = maAttribs.rbegin(); it != maAttribs.rend(); ++it)
     {
-        TextCharAttrib* pAttr = GetAttrib( --nAttr );
-
-        if ( pAttr->GetEnd() < nBound )
+        if ( it->GetEnd() < nBound )
             return false;
 
-        if ( ( pAttr->GetStart() == nBound ) || ( pAttr->GetEnd() == nBound ) )
+        if ( ( it->GetStart() == nBound ) || ( it->GetEnd() == nBound ) )
             return true;
     }
     return false;
@@ -156,31 +140,20 @@ TextCharAttrib* TextCharAttribList::FindEmptyAttrib( sal_uInt16 nWhich, sal_uInt
     if ( !mbHasEmptyAttribs )
         return 0;
 
-    const sal_uInt16 nAttribs = size();
-    for ( sal_uInt16 nAttr = 0; nAttr < nAttribs; nAttr++ )
+    for (TextCharAttribs::iterator it = maAttribs.begin(); it != maAttribs.end(); ++it)
     {
-        TextCharAttrib* pAttr = GetAttrib( nAttr );
-        if ( pAttr->GetStart() > nPos )
+        if ( it->GetStart() > nPos )
             return 0;
 
-        if ( ( pAttr->GetStart() == nPos ) && ( pAttr->GetEnd() == nPos ) && ( pAttr->Which() == nWhich ) )
-            return pAttr;
+        if ( ( it->GetStart() == nPos ) && ( it->GetEnd() == nPos ) && ( it->Which() == nWhich ) )
+            return &*it;
     }
     return 0;
 }
 
 void TextCharAttribList::DeleteEmptyAttribs()
 {
-    for ( sal_uInt16 nAttr = 0; nAttr < size(); nAttr++ )
-    {
-        TextCharAttrib* pAttr = GetAttrib( nAttr );
-        if ( pAttr->IsEmpty() )
-        {
-            erase( begin() + nAttr );
-            delete pAttr;
-            nAttr--;
-        }
-    }
+    maAttribs.erase_if(boost::mem_fn(&TextCharAttrib::IsEmpty));
     mbHasEmptyAttribs = false;
 }
 
@@ -399,9 +372,9 @@ void TextNode::Append( const TextNode& rNode )
     const sal_uInt16 nAttribs = rNode.GetCharAttribs().Count();
     for ( sal_uInt16 nAttr = 0; nAttr < nAttribs; nAttr++ )
     {
-        TextCharAttrib* pAttrib = rNode.GetCharAttribs().GetAttrib( nAttr );
+        const TextCharAttrib& rAttrib = rNode.GetCharAttrib( nAttr );
         bool bMelted = false;
-        if ( pAttrib->GetStart() == 0 )
+        if ( rAttrib.GetStart() == 0 )
         {
             // potentially merge attributes
             sal_uInt16 nTmpAttribs = maCharAttribs.Count();
@@ -411,11 +384,11 @@ void TextNode::Append( const TextNode& rNode )
 
                 if ( pTmpAttrib->GetEnd() == nOldLen )
                 {
-                    if ( ( pTmpAttrib->Which() == pAttrib->Which() ) &&
-                         ( pTmpAttrib->GetAttr() == pAttrib->GetAttr() ) )
+                    if ( ( pTmpAttrib->Which() == rAttrib.Which() ) &&
+                         ( pTmpAttrib->GetAttr() == rAttrib.GetAttr() ) )
                     {
                         pTmpAttrib->GetEnd() =
-                            pTmpAttrib->GetEnd() + pAttrib->GetLen();
+                            pTmpAttrib->GetEnd() + rAttrib.GetLen();
                         bMelted = true;
                         break;  // there can be only one of this type at this position
                     }
@@ -425,7 +398,7 @@ void TextNode::Append( const TextNode& rNode )
 
         if ( !bMelted )
         {
-            TextCharAttrib* pNewAttrib = new TextCharAttrib( *pAttrib );
+            TextCharAttrib* pNewAttrib = new TextCharAttrib( rAttrib );
             pNewAttrib->GetStart() = pNewAttrib->GetStart() + nOldLen;
             pNewAttrib->GetEnd() = pNewAttrib->GetEnd() + nOldLen;
             maCharAttribs.InsertAttrib( pNewAttrib );
diff --git a/vcl/source/edit/textdoc.hxx b/vcl/source/edit/textdoc.hxx
index 1f42c3a0f7c8..739de18040c6 100644
--- a/vcl/source/edit/textdoc.hxx
+++ b/vcl/source/edit/textdoc.hxx
@@ -23,33 +23,26 @@
 #include <rtl/ustring.hxx>
 #include <vcl/textdata.hxx>
 #include <vcl/txtattr.hxx>
-#include <vector>
+#include <boost/noncopyable.hpp>
+#include <boost/ptr_container/ptr_vector.hpp>
 
-class TextCharAttribs : public std::vector<TextCharAttrib*> {
-public:
-    ~TextCharAttribs()
-    {
-        for( iterator it = begin(); it != end(); ++it )
-            delete *it;
-    }
-};
-
-class TextCharAttribList : private TextCharAttribs
+class TextCharAttribList : boost::noncopyable
 {
 private:
+    typedef boost::ptr_vector<TextCharAttrib> TextCharAttribs;
+    TextCharAttribs maAttribs;
     bool            mbHasEmptyAttribs;
 
-                    TextCharAttribList( const TextCharAttribList& ) : TextCharAttribs() {}
-
 public:
                     TextCharAttribList();
                     ~TextCharAttribList();
 
-    void            Clear( bool bDestroyAttribs );
-    sal_uInt16          Count() const               { return TextCharAttribs::size(); }
+    void            Clear();
+    sal_uInt16          Count() const               { return maAttribs.size(); }
 
-    TextCharAttrib* GetAttrib( sal_uInt16 n ) const { return TextCharAttribs::operator[]( n ); }
-    void            RemoveAttrib( sal_uInt16 n )    { TextCharAttribs::erase( begin() + n ); }
+    const TextCharAttrib& GetAttrib( sal_uInt16 n ) const { return maAttribs[n]; }
+    TextCharAttrib* GetAttrib( sal_uInt16 n )       { return &maAttribs[n]; }
+    void            RemoveAttrib( sal_uInt16 n )    { maAttribs.release( maAttribs.begin() + n ).release(); }
 
     void            InsertAttrib( TextCharAttrib* pAttrib );
 
@@ -60,7 +53,7 @@ public:
     bool&           HasEmptyAttribs()       { return mbHasEmptyAttribs; }
 
     TextCharAttrib* FindAttrib( sal_uInt16 nWhich, sal_uInt16 nPos );
-    TextCharAttrib* FindNextAttrib( sal_uInt16 nWhich, sal_uInt16 nFromPos, sal_uInt16 nMaxPos = 0xFFFF ) const;
+    const TextCharAttrib* FindNextAttrib( sal_uInt16 nWhich, sal_uInt16 nFromPos, sal_uInt16 nMaxPos = 0xFFFF ) const;
     TextCharAttrib* FindEmptyAttrib( sal_uInt16 nWhich, sal_uInt16 nPos );
     bool            HasAttrib( sal_uInt16 nWhich ) const;
     bool            HasBoundingAttrib( sal_uInt16 nBound );
@@ -82,6 +75,7 @@ public:
 
     const OUString&     GetText() const         { return maText; }
 
+    const TextCharAttrib&   GetCharAttrib(sal_uInt16 nPos) const  { return maCharAttribs.GetAttrib(nPos); }
     const TextCharAttribList&   GetCharAttribs() const  { return maCharAttribs; }
     TextCharAttribList&         GetCharAttribs()        { return maCharAttribs; }
 
diff --git a/vcl/source/edit/texteng.cxx b/vcl/source/edit/texteng.cxx
index c020ef0aded1..42ef8efcdc0d 100644
--- a/vcl/source/edit/texteng.cxx
+++ b/vcl/source/edit/texteng.cxx
@@ -2590,7 +2590,7 @@ bool TextEngine::Write( SvStream& rOutput, const TextSelection* pSel, bool bHTML
                 sal_uInt16 nTmpEnd = nEndPos;
                 do
                 {
-                    TextCharAttrib* pAttr = pNode->GetCharAttribs().FindNextAttrib( TEXTATTR_HYPERLINK, nTmpStart, nEndPos );
+                    const TextCharAttrib* pAttr = pNode->GetCharAttribs().FindNextAttrib( TEXTATTR_HYPERLINK, nTmpStart, nEndPos );
                     nTmpEnd = pAttr ? pAttr->GetStart() : nEndPos;
 
                     // Text before Attribute
@@ -2635,7 +2635,7 @@ void TextEngine::RemoveAttribs( sal_uLong nPara, bool bIdleFormatAndUpdate )
         TextNode* pNode = mpDoc->GetNodes().GetObject( nPara );
         if ( pNode->GetCharAttribs().Count() )
         {
-            pNode->GetCharAttribs().Clear( true );
+            pNode->GetCharAttribs().Clear();
 
             TEParaPortion* pTEParaPortion = mpTEParaPortions->GetObject( nPara );
             pTEParaPortion->MarkSelectionInvalid( 0, pNode->GetText().getLength() );