loplugin:useuniqueptr in SvgDocument

Change-Id: I299e97c276b60be86491bfeee22d46774739ca44
Reviewed-on: https://gerrit.libreoffice.org/60969
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

svgio/inc/svgdocument.hxx

@@ -21,12 +21,16 @@
 #define INCLUDED_SVGIO_INC_SVGDOCUMENT_HXX
 
 #include "svgnode.hxx"
+#include <memory>
 #include <unordered_map>
+#include <vector>
 
 namespace svgio
 {
     namespace svgreader
     {
+        typedef std::vector< std::unique_ptr<SvgNode> > SvgNodeVector;
+
         class SvgDocument
         {
         private:
@@ -52,7 +56,7 @@ namespace svgio
             SvgDocument& operator=(const SvgDocument&) = delete;
 
             /// append another root node, ownership changes
-            void appendNode(SvgNode* pNode);
+            void appendNode(std::unique_ptr<SvgNode> pNode);
 
             /// add/remove nodes with Id to mapper
             void addSvgNodeToMapper(const OUString& rStr, const SvgNode& rNode);

svgio/inc/svgnode.hxx

@@ -45,8 +45,6 @@ namespace svgio
 {
     namespace svgreader
     {
-        typedef ::std::vector< SvgNode* > SvgNodeVector;
-
         enum XmlSpace
         {
             XmlSpace_notset,

svgio/source/svgreader/svgdocument.cxx

@@ -33,18 +33,12 @@ namespace svgio
 
         SvgDocument::~SvgDocument()
         {
-            while(!maNodes.empty())
-            {
-                SvgNode* pCandidate = maNodes[maNodes.size() - 1];
-                delete pCandidate;
-                maNodes.pop_back();
-            }
         }
 
-        void SvgDocument::appendNode(SvgNode* pNode)
+        void SvgDocument::appendNode(std::unique_ptr<SvgNode> pNode)
         {
-            OSL_ENSURE(pNode, "OOps, empty node added (!)");
-            maNodes.push_back(pNode);
+            assert(pNode);
+            maNodes.push_back(std::move(pNode));
         }
 
         void SvgDocument::addSvgNodeToMapper(const OUString& rStr, const SvgNode& rNode)

svgio/source/svgreader/svgdocumenthandler.cxx

@@ -153,7 +153,8 @@ namespace svgio
                     mpTarget = const_cast< SvgNode* >(mpTarget->getParent());
 
                 const SvgNodeVector& rOwnedTopLevels = maDocument.getSvgNodeVector();
-                if (std::find(rOwnedTopLevels.begin(), rOwnedTopLevels.end(), mpTarget) == rOwnedTopLevels.end())
+                if (std::none_of(rOwnedTopLevels.begin(), rOwnedTopLevels.end(),
+                                [&](std::unique_ptr<SvgNode> const & p) { return p.get() == mpTarget; }))
                     delete mpTarget;
             }
             OSL_ENSURE(!maCssContents.size(), "SvgDocHdl destructed with active css style stack entry (!)");
@@ -487,7 +488,7 @@ namespace svgio
                             if(!mpTarget->getParent())
                             {
                                 // last element closing, save this tree
-                                maDocument.appendNode(mpTarget);
+                                maDocument.appendNode(std::unique_ptr<SvgNode>(mpTarget));
                             }
 
                             mpTarget = const_cast< SvgNode* >(mpTarget->getParent());

svgio/source/svguno/xsvgparser.cxx

@@ -143,13 +143,8 @@ namespace svgio
                 }
 
                 // decompose to primitives
-                const SvgNodeVector& rResults = pSvgDocHdl->getSvgDocument().getSvgNodeVector();
-                const sal_uInt32 nCount(rResults.size());
-
-                for(sal_uInt32 a(0); a < nCount; a++)
+                for(std::unique_ptr<SvgNode> const & pCandidate : pSvgDocHdl->getSvgDocument().getSvgNodeVector())
                 {
-                    SvgNode* pCandidate = rResults[a];
-
                     if(Display_none != pCandidate->getDisplay())
                     {
                         pCandidate->decomposeSvgNode(aRetval, false);