optimise comphelper::AttributeList a little

Change-Id: I48cb0a1b5dfcf6471c1cdf9d79445281f9f33020
Reviewed-on: https://gerrit.libreoffice.org/71463
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

comphelper/source/xml/attributelist.cxx

@@ -27,57 +27,9 @@ using namespace com::sun::star;
 
 namespace comphelper {
 
-struct TagAttribute_Impl
-{
-    TagAttribute_Impl( const OUString &aName, const OUString &aType,
-                         const OUString &aValue )
-    {
-        sName     = aName;
-        sType     = aType;
-        sValue    = aValue;
-    }
-
-    OUString sName;
-    OUString sType;
-    OUString sValue;
-};
-
-struct AttributeList_Impl
-{
-    AttributeList_Impl()
-    {
-        // performance improvement during adding
-        vecAttribute.reserve(20);
-    }
-    std::vector<struct TagAttribute_Impl> vecAttribute;
-};
-
-sal_Int16 SAL_CALL AttributeList::getLength()
-{
-    return static_cast<sal_Int16>(m_pImpl->vecAttribute.size());
-}
-
-OUString SAL_CALL AttributeList::getNameByIndex(sal_Int16 i)
-{
-    return ( i < static_cast < sal_Int16 > (m_pImpl->vecAttribute.size()) ) ? m_pImpl->vecAttribute[i].sName : OUString();
-}
-
-OUString SAL_CALL AttributeList::getTypeByIndex(sal_Int16 i)
-{
-    if( i < static_cast < sal_Int16 > (m_pImpl->vecAttribute.size() ) ) {
-        return m_pImpl->vecAttribute[i].sType;
-    }
-    return OUString();
-}
-
-OUString SAL_CALL  AttributeList::getValueByIndex(sal_Int16 i)
-{
-    return ( i < static_cast < sal_Int16 > (m_pImpl->vecAttribute.size() ) ) ? m_pImpl->vecAttribute[i].sValue : OUString();
-}
-
 OUString SAL_CALL AttributeList::getTypeByName( const OUString& sName )
 {
-    for (auto const& attribute : m_pImpl->vecAttribute)
+    for (auto const& attribute : mAttributes)
     {
         if( attribute.sName == sName ) {
             return attribute.sType;
@@ -88,7 +40,7 @@ OUString SAL_CALL AttributeList::getTypeByName( const OUString& sName )
 
 OUString SAL_CALL AttributeList::getValueByName(const OUString& sName)
 {
-    for (auto const& attribute : m_pImpl->vecAttribute)
+    for (auto const& attribute : mAttributes)
     {
         if( attribute.sName == sName ) {
             return attribute.sValue;
@@ -98,34 +50,22 @@ OUString SAL_CALL AttributeList::getValueByName(const OUString& sName)
 }
 
 AttributeList::AttributeList()
-    : m_pImpl(new AttributeList_Impl)
 {
+    // performance improvement during adding
+    mAttributes.reserve(20);
 }
 
 AttributeList::AttributeList(const AttributeList &r)
     : cppu::WeakImplHelper<XAttributeList, XCloneable>(r)
-    , m_pImpl(new AttributeList_Impl)
 {
-    *m_pImpl = *(r.m_pImpl);
+    mAttributes = r.mAttributes;
 }
 
 AttributeList::~AttributeList()
 {
 }
 
-void AttributeList::AddAttribute(const OUString &sName,
-        const OUString &sType, const OUString &sValue)
-{
-    m_pImpl->vecAttribute.emplace_back(sName, sType, sValue );
-}
-
-void AttributeList::Clear()
-{
-    m_pImpl->vecAttribute.clear();
-}
-
 css::uno::Reference< css::util::XCloneable > AttributeList::createClone()
-
 {
     AttributeList *p = new AttributeList( *this );
     return css::uno::Reference< css::util::XCloneable > ( static_cast<css::util::XCloneable *>(p) );

include/comphelper/attributelist.hxx

@@ -23,6 +23,7 @@
 #include <sal/config.h>
 
 #include <memory>
+#include <vector>
 
 #include <com/sun/star/util/XCloneable.hpp>
 #include <com/sun/star/xml/sax/XAttributeList.hpp>
@@ -32,12 +33,17 @@
 namespace comphelper
 {
 
-struct AttributeList_Impl;
+struct TagAttribute
+{
+    OUString sName;
+    OUString sType;
+    OUString sValue;
+};
 
 class COMPHELPER_DLLPUBLIC AttributeList :
     public ::cppu::WeakImplHelper<css::xml::sax::XAttributeList, css::util::XCloneable>
 {
-    std::unique_ptr<AttributeList_Impl> m_pImpl;
+    std::vector<TagAttribute> mAttributes;
 public:
     AttributeList();
     AttributeList(const AttributeList &r);
@@ -45,15 +51,33 @@ public:
     virtual ~AttributeList() override;
 
     // methods that are not contained in any interface
-    void AddAttribute(const OUString &sName , const OUString &sType , const OUString &sValue);
-    void Clear();
+    void AddAttribute(const OUString &sName , const OUString &sType , const OUString &sValue)
+    {
+        mAttributes.push_back({sName, sType, sValue});
+    }
+    void Clear()
+    {
+        mAttributes.clear();
+    }
 
     // css::xml::sax::XAttributeList
-    virtual sal_Int16 SAL_CALL getLength() override;
-    virtual OUString SAL_CALL getNameByIndex(sal_Int16 i) override;
-    virtual OUString SAL_CALL getTypeByIndex(sal_Int16 i) override;
+    virtual sal_Int16 SAL_CALL getLength() override
+    {
+        return static_cast<sal_Int16>(mAttributes.size());
+    }
+    virtual OUString SAL_CALL getNameByIndex(sal_Int16 i) override
+    {
+        return mAttributes[i].sName;
+    }
+    virtual OUString SAL_CALL getTypeByIndex(sal_Int16 i) override
+    {
+        return mAttributes[i].sType;
+    }
     virtual OUString SAL_CALL getTypeByName(const OUString& aName) override;
-    virtual OUString SAL_CALL getValueByIndex(sal_Int16 i) override;
+    virtual OUString SAL_CALL getValueByIndex(sal_Int16 i) override
+    {
+        return mAttributes[i].sValue;
+    }
     virtual OUString SAL_CALL getValueByName(const OUString& aName) override;
 
     // css::util::XCloneable