Cleanup fsTinyXml implementation

Engine/source/persistence/taml/fsTinyXml.cpp

@@ -266,21 +266,21 @@ void VfsXMLDocument::SetError(tinyxml2::XMLError error, int lineNum, const char*
 // Overwrite Visitation of elements to add newlines before attributes
 PrettyXMLPrinter::PrettyXMLPrinter(VfsXMLPrinter& innerPrinter, int depth)
    : mInnerPrinter(innerPrinter),
-   _depth(depth)
+   mDepth(depth)
 {
    for (int i = 0; i < ENTITY_RANGE; ++i) {
-      _entityFlag[i] = false;
-      _restrictedEntityFlag[i] = false;
+      mEntityFlag[i] = false;
+      mRestrictedEntityFlag[i] = false;
    }
    for (int i = 0; i < NUM_ENTITIES; ++i) {
       const char entityValue = entities[i].value;
       const unsigned char flagIndex = static_cast<unsigned char>(entityValue);
       TIXMLASSERT(flagIndex < ENTITY_RANGE);
-      _entityFlag[flagIndex] = true;
+      mEntityFlag[flagIndex] = true;
    }
-   _restrictedEntityFlag[static_cast<unsigned char>('&')] = true;
-   _restrictedEntityFlag[static_cast<unsigned char>('<')] = true;
-   _restrictedEntityFlag[static_cast<unsigned char>('>')] = true;	// not required, but consistency is nice
+   mRestrictedEntityFlag[static_cast<unsigned char>('&')] = true;
+   mRestrictedEntityFlag[static_cast<unsigned char>('<')] = true;
+   mRestrictedEntityFlag[static_cast<unsigned char>('>')] = true;	// not required, but consistency is nice
 }
 
 void PrettyXMLPrinter::PrintString(const char* p, bool restricted)
@@ -288,8 +288,8 @@ void PrettyXMLPrinter::PrintString(const char* p, bool restricted)
    // Look for runs of bytes between entities to print.
    const char* q = p;
 
-   if (_processEntities) {
-      const bool* flag = restricted ? _restrictedEntityFlag : _entityFlag;
+   if (mProcessEntities) {
+      const bool* flag = restricted ? mRestrictedEntityFlag : mEntityFlag;
       while (*q) {
          TIXMLASSERT(p <= q);
          // Remember, char is sometimes signed. (How many times has that bitten me?)
@@ -345,7 +345,7 @@ bool PrettyXMLPrinter::VisitEnter(const tinyxml2::XMLElement& element, const tin
    }
    const bool compactMode = parentElem ? mInnerPrinter.CompactMode(*parentElem) : mInnerPrinter.CompactMode(element);
    mInnerPrinter.OpenElement(element.Name(), compactMode);
-   _depth++;
+   mDepth++;
    while (attribute) {
       PushAttribute(attribute->Name(), attribute->Value(), compactMode);
       attribute = attribute->Next();
@@ -362,7 +362,7 @@ void PrettyXMLPrinter::PushAttribute(const char* name, const char* value, bool c
    else
    {
       mInnerPrinter.Putc('\n');
-      mInnerPrinter.PrintSpace(_depth);
+      mInnerPrinter.PrintSpace(mDepth);
    }
    mInnerPrinter.Write(name);
    mInnerPrinter.Write("=\"");

Engine/source/persistence/taml/fsTinyXml.h

@@ -40,34 +40,19 @@ public:
    VfsXMLPrinter(FileStream& stream, bool compact = false, int depth = 0);
    ~VfsXMLPrinter() override;
 
-   // Re-implement private functionality in TinyXML2 library, this is just a copy-paste job
+   // Re-implement protected functionality in TinyXML2 library, and make it public
+   // (This is a bit dirty, but it's necessary for the PrettyXMLPrinter)
    bool CompactMode(const tinyxml2::XMLElement& element) override { return tinyxml2::XMLPrinter::CompactMode(element); }
+   void PrintSpace(int depth) override { tinyxml2::XMLPrinter::PrintSpace(depth); }
+   inline void Write(const char* data) { Write(data, strlen(data)); }
 
    // Add VFS friendly implementations of output functions
    void Print(const char* format, ...) override;
    void Write(const char* data, size_t size) override;
-   inline void Write(const char* data) { Write(data, strlen(data)); }
    void Putc(char ch) override;
-   void PrintSpace(int depth) override { tinyxml2::XMLPrinter::PrintSpace(depth); }
-
-   // Overwrite Visitation of elements to add newlines before attributes
-   void PushAttribute(const char* name, const char* value, bool compactMode);
 
    // Accept a virtual FileStream instead of a FILE pointer
    FileStream& m_Stream;
-
-   // Track private fields that are necessary for private functionality in TinyXML2
-   int _depth;
-   bool _processEntities;
-
-   enum
-   {
-      ENTITY_RANGE = 64,
-      BUF_SIZE = 200
-   };
-
-   bool _entityFlag[ENTITY_RANGE];
-   bool _restrictedEntityFlag[ENTITY_RANGE];
 };
 
 class VfsXMLDocument : public tinyxml2::XMLDocument
@@ -182,7 +167,7 @@ public:
    /// Visit a document.
    virtual bool VisitEnter(const tinyxml2::XMLDocument& doc)
    {
-      _processEntities = doc.ProcessEntities();
+      mProcessEntities = doc.ProcessEntities();
       return mInnerPrinter.VisitEnter(doc);
    }
 
@@ -197,7 +182,7 @@ public:
    /// Visit an element.
    virtual bool VisitExit(const tinyxml2::XMLElement& element)
    {
-      _depth--;
+      mDepth--;
       return mInnerPrinter.VisitExit(element);
    }
 
@@ -224,17 +209,20 @@ public:
    {
       return mInnerPrinter.Visit(unknown);
    }
-
+   
    void PushAttribute(const char* name, const char* value, bool compactMode);
 
    // Re-implement private functionality in TinyXML2 library, this is just a copy-paste job
    void PrintString(const char*, bool restrictedEntitySet); // prints out, after detecting entities.
+
+   // The inner printer we are wrapping, we only support VfsXMLPrinter based classes because
+   // stock tinyxml printer is very closed
    VfsXMLPrinter& mInnerPrinter;
 
    // Track private fields that are necessary for private functionality in TinyXML2
-   int _depth;
-   bool _processEntities;
-   bool _compactMode;
+   int mDepth;
+   bool mProcessEntities;
+   bool mCompactMode;
 
    enum
    {
@@ -242,8 +230,8 @@ public:
       BUF_SIZE = 200
    };
 
-   bool _entityFlag[ENTITY_RANGE];
-   bool _restrictedEntityFlag[ENTITY_RANGE];
+   bool mEntityFlag[ENTITY_RANGE];
+   bool mRestrictedEntityFlag[ENTITY_RANGE];
 };