Add PDF writer.

src/web/xml/xml-elements/XmlElement.cpp

@@ -68,3 +68,13 @@ std::size_t XmlElement::GetNumAttributes() const
 {
     return mAttributes.size();
 }
+
+std::size_t XmlElement::GetNumChildren() const
+{
+    return mChildren.size();
+}
+
+XmlElement* XmlElement::GetChild(std::size_t index) const
+{
+    return mChildren[index].get();
+}

src/web/xml/xml-elements/XmlElement.h

@@ -1,18 +1,13 @@
 #pragma once
+
+#include "XmlAttribute.h"
+
 #include <memory>
 #include <vector>
 #include <string>
 
-#include "xml-elements/XmlAttribute.h"
-
 class XmlElement
 {
-protected:
-    std::string mTagName;
-    std::vector<XmlAttributeUPtr> mAttributes;
-    std::vector<std::unique_ptr<XmlElement> > mChildren;
-    std::string mText;
-
 public:
     XmlElement(const std::string& tagName);
     virtual ~XmlElement() = default;
@@ -28,8 +23,17 @@ public:
     XmlAttribute* GetAttribute(std::size_t index) const;
     std::size_t GetNumAttributes() const;
 
+    std::size_t GetNumChildren() const;
+    XmlElement* GetChild(std::size_t index) const;
+
     void SetText(const std::string& text);
     void SetTagName(const std::string& tagName);
+
+protected:
+    std::string mTagName;
+    std::vector<XmlAttributeUPtr> mAttributes;
+    std::vector<std::unique_ptr<XmlElement> > mChildren;
+    std::string mText;
 };
 
 using XmlElementPtr = std::shared_ptr<XmlElement>;

src/web/xml/xml-elements/XmlProlog.h

@@ -2,12 +2,11 @@
 #include <memory>
 #include <vector>
 
-#include "xml-elements/XmlElement.h"
+#include "XmlElement.h"
 
 class XmlProlog : public XmlElement
 {
 public:
-
     enum class Version{
         V1_0
     };