Some markdown processing.

src/publishing/DocumentConverter.cpp

@@ -1,8 +1,15 @@
 #include "DocumentConverter.h"
+
 #include "MarkdownParser.h"
+#include "MarkdownDocument.h"
+#include "MarkdownConverter.h"
+
+#include "HtmlDocument.h"
 #include "HtmlWriter.h"
+
 #include "FileLogger.h"
 #include "File.h"
+
 #include <fstream>
 
 DocumentConverter::DocumentConverter()
@@ -55,19 +62,14 @@ void DocumentConverter::markdownToHtml(File* input, File* output)
     input->open(File::AccessMode::Read);
 
     MarkdownParser parser;
-
+    auto md_doc = parser.run(input->readText());
-    auto handle = input->getInHandle();
-    while(handle->good())
-    {
-        std::string line;
-        std::getline(*handle, line);
-        parser.processLine(line);
-    };
     input->close();
 
-    auto html_document = parser.getHtml();
+    MarkdownConverter converter;
+    auto html_doc = converter.convert(md_doc.get());
+
     HtmlWriter writer;
-    std::string html_string = writer.toString(html_document.get());
+    std::string html_string = writer.toString(html_doc.get());
 
     output->open(File::AccessMode::Write);
     *(output->getOutHandle()) << html_string;

src/web/CMakeLists.txt

@@ -12,6 +12,9 @@ list(APPEND web_LIB_INCLUDES
     xml/xml-elements/XmlProlog.h
     xml/xml-elements/XmlProlog.cpp
     markdown/MarkdownParser.cpp
+    markdown/MarkdownConverter.cpp
+    markdown/MarkdownDocument.h
+    markdown/MarkdownDocument.cpp
     html/HtmlWriter.cpp
     html/HtmlDocument.cpp
     html/HtmlElement.cpp

src/web/html/HtmlDocument.cpp

@@ -23,3 +23,11 @@ std::unique_ptr<HtmlDocument> HtmlDocument::Create()
 {
     return std::make_unique<HtmlDocument>();
 }
+
+void HtmlDocument::addElementToBody(std::unique_ptr<HtmlElement> element)
+{
+    if (auto body_element = getRoot()->getFirstChildWithTagName("body"))
+    {
+        body_element->addChild(std::move(element));
+    }
+}

src/web/html/HtmlDocument.h

@@ -4,6 +4,8 @@
 
 #include <memory>
 
+class HtmlElement;
+
 class HtmlDocument : public XmlDocument
 {
 public:
@@ -12,6 +14,10 @@ public:
     virtual ~HtmlDocument() = default;
 
     static std::unique_ptr<HtmlDocument> Create();
+
+    void addElementToBody(std::unique_ptr<HtmlElement> element);
+
+private:
 };
 
 using HtmlDocumentPtr = std::unique_ptr<HtmlDocument>;

src/web/html/HtmlElement.cpp

@@ -5,8 +5,3 @@ HtmlElement::HtmlElement(const std::string& tagName)
 {
 
 }
-
-std::unique_ptr<HtmlElement> HtmlElement::CreateUnique(const std::string& tagName)
-{
-    return std::make_unique<HtmlElement>(tagName);
-}

src/web/html/HtmlElement.h

@@ -6,9 +6,48 @@
 class HtmlElement : public XmlElement
 {
 public:
+    enum class Type
+    {
+        NONE,
+        BODY,
+        HEAD,
+        PARAGRAPH,
+        TEXT_RUN,
+        CODE,
+        HEADING
+    };
+
     HtmlElement(const std::string& tagName);
 
-    static std::unique_ptr<HtmlElement> CreateUnique(const std::string& tagName);
+    virtual Type getType() const = 0;
+};
+
+class HtmlCodeElement : public HtmlElement
+{
+public:
+    HtmlCodeElement() : HtmlElement("code")
+    {
+
+    }
+
+    Type getType() const override
+    {
+        return Type::CODE;
+    }
+};
+
+class HtmlHeadingElement : public HtmlElement
+{
+public:
+    HtmlHeadingElement(unsigned index) : HtmlElement("h" + std::to_string(index))
+    {
+
+    }
+
+    Type getType() const override
+    {
+        return Type::HEADING;
+    }
 };
 
 using HtmlElementUPtr = std::unique_ptr<HtmlElement>;

src/web/html/HtmlTextRun.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "HtmlElement.h"
+
+class HtmlTextRun : public HtmlElement
+{
+public:
+    HtmlTextRun() : HtmlElement("NONE_HtmlTextRun")
+    {
+
+    }
+
+    Type getType() const override
+    {
+        return Type::TEXT_RUN;
+    }
+
+    std::string toString(unsigned depth = 0) const override
+    {
+        const auto prefix = std::string(2*depth, ' ');
+        return prefix + getText();
+    }
+};

src/web/html/HtmlWriter.cpp

@@ -11,57 +11,12 @@ HtmlWriter::HtmlWriter()
 
 }
 
-std::string HtmlWriter::toString(XmlElement* element, unsigned depth)
-{
-    const auto prefix = std::string(2*depth, ' ');
-
-    auto content = prefix + "<" + element->getTagName();
-    for (std::size_t idx=0; idx< element->getNumAttributes(); idx++)
-    {
-        auto attribute = element->getAttribute(idx);
-        content += " " + attribute->getName() + "=\"" + attribute->getValue() + "\"";
-    }
-
-    const auto num_children = element->getNumChildren();
-    if (num_children == 0 && element->getText().empty())
-    {
-        content += "/>\n";
-        return content;
-    }
-    else
-    {
-        content += ">";
-    }
-
-    if (!element->getText().empty())
-    {
-        content += element->getText();
-    }
-
-    if (num_children>0)
-    {
-        content += "\n";
-    }
-    for (std::size_t idx=0; idx< element->getNumChildren(); idx++)
-    {
-        auto child = element->getChild(idx);
-        content += toString(child, depth+1);
-    }
-    if (num_children>0)
-    {
-        content += prefix;
-    }
-
-    content += "</" + element->getTagName() + ">\n";
-    return content;
-}
-
 std::string HtmlWriter::toString(HtmlDocument* document)
 {
     std::string content = "<!DOCTYPE html>\n";
     if (auto root = document->getRoot())
     {
-        content += toString(root);
+        content += root->toString();
     }
     return content;
 }

src/web/html/HtmlWriter.h

@@ -3,7 +3,6 @@
 #include <string>
 
 class HtmlDocument;
-class XmlElement;
 
 class HtmlWriter
 {
@@ -11,7 +10,4 @@ public:
     HtmlWriter();
 
     std::string toString(HtmlDocument* document);
-
-private:
-    std::string toString(XmlElement* element, unsigned depth=0);
 };

src/web/html/elements/HtmlBodyElement.h

@@ -9,4 +9,9 @@ public:
     {
 
     }
+
+    Type getType() const override
+    {
+        return Type::BODY;
+    }
 };

src/web/html/elements/HtmlHeadElement.h

@@ -9,4 +9,9 @@ public:
     {
 
     }
+
+    Type getType() const override
+    {
+        return Type::HEAD;
+    }
 };

src/web/html/elements/HtmlParagraphElement.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "HtmlElement.h"
+
+class HtmlParagraphElement : public HtmlElement
+{
+public:
+
+    HtmlParagraphElement() : HtmlElement("p")
+    {
+
+    }
+
+    Type getType() const override
+    {
+        return Type::PARAGRAPH;
+    }
+};

src/web/markdown/MarkdownConverter.cpp

@@ -0,0 +1,59 @@
+#include "MarkdownConverter.h"
+
+#include "HtmlDocument.h"
+#include "HtmlElement.h"
+#include "HtmlParagraphElement.h"
+#include "HtmlTextRun.h"
+
+#include "MarkdownDocument.h"
+
+std::unique_ptr<HtmlDocument> MarkdownConverter::convert(MarkdownDocument* markdownDoc) const
+{
+    auto html_doc = std::make_unique<HtmlDocument>();
+
+    for(unsigned idx=0; idx<markdownDoc->getNumElements();idx++)
+    {
+        auto md_element = markdownDoc->getElement(idx);
+
+        if (md_element->getType() == MarkdownElement::Type::HEADING)
+        {
+            auto heading_level = dynamic_cast<MarkdownHeading*>(md_element)->getLevel();
+            auto html_element = std::make_unique<HtmlHeadingElement>(heading_level);
+            html_element->setText(md_element->getTextContent());
+
+            html_doc->addElementToBody(std::move(html_element));
+        }
+        else if(md_element->getType() == MarkdownElement::Type::PARAGRAPH)
+        {
+            auto html_p_element = std::make_unique<HtmlParagraphElement>();
+            auto para_element = dynamic_cast<MarkdownParagraph*>(md_element);
+
+            for(unsigned idx=0; idx< para_element->getNumChildren(); idx++)
+            {
+                auto child = para_element->getChild(idx);
+                if (child->getType() == MarkdownElement::Type::INLINE_QUOTE)
+                {
+                    auto html_quote = std::make_unique<HtmlCodeElement>();
+                    html_quote->setText(child->getTextContent());
+                    html_p_element->addChild(std::move(html_quote));
+                }
+                else if(child->getType() == MarkdownElement::Type::TEXT_SPAN)
+                {
+                    auto html_text = std::make_unique<HtmlTextRun>();
+                    html_text->setText(child->getTextContent());
+                    html_p_element->addChild(std::move(html_text));
+                }
+            }
+            html_doc->addElementToBody(std::move(html_p_element));
+        }
+        else if(md_element->getType() == MarkdownElement::Type::MULTILINE_QUOTE)
+        {
+            auto html_quote = std::make_unique<HtmlCodeElement>();
+            html_quote->setText(md_element->getTextContent());
+            html_doc->addElementToBody(std::move(html_quote));
+        }
+    }
+
+    return std::move(html_doc);
+}
+

src/web/markdown/MarkdownConverter.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include <memory>
+
+class HtmlDocument;
+class MarkdownDocument;
+
+class MarkdownConverter
+{
+public:
+    std::unique_ptr<HtmlDocument> convert(MarkdownDocument* markdownDoc) const;
+
+};

src/web/markdown/MarkdownDocument.h

@@ -0,0 +1,167 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+
+class MarkdownElement
+{
+public:
+    enum class Type
+    {
+        HEADING,
+        PARAGRAPH,
+        TEXT_SPAN,
+        INLINE_CODE,
+        MULTILINE_CODE,
+        INLINE_QUOTE,
+        MULTILINE_QUOTE,
+        INLINE_SPECIAL,
+        MULTILINE_SPECIAL,
+        LINK,
+        IMAGE
+    };
+
+    virtual ~MarkdownElement() = default;
+
+    void appendTextContent(const std::string& content)
+    {
+        mTextContent += content;
+    }
+
+    const std::string& getTextContent() const
+    {
+        return mTextContent;
+    }
+
+    virtual Type getType() const = 0;
+private:
+    std::string mTextContent;
+};
+
+class MarkdownInlineElement : public MarkdownElement
+{
+public:
+    virtual ~MarkdownInlineElement() = default;
+};
+
+class MarkdownTextSpan : public MarkdownInlineElement
+{
+public:
+    virtual ~MarkdownTextSpan() = default;
+
+    Type getType() const override
+    {
+        return Type::TEXT_SPAN;
+    }
+};
+
+class MarkdownParagraph : public MarkdownElement
+{
+public:
+    virtual ~MarkdownParagraph() = default;
+
+    Type getType() const override
+    {
+        return Type::PARAGRAPH;
+    }
+
+    void addChild(std::unique_ptr<MarkdownInlineElement> child)
+    {
+        mChildren.push_back(std::move(child));
+    }
+
+    std::size_t getNumChildren() const
+    {
+        return mChildren.size();
+    }
+
+    MarkdownInlineElement* getChild(std::size_t idx) const
+    {
+        return mChildren[idx].get();
+    }
+
+    std::vector<std::unique_ptr<MarkdownInlineElement> > mChildren;
+};
+
+class MarkdownHeading : public MarkdownElement
+{
+public:
+    MarkdownHeading(unsigned level)
+        : mLevel(level)
+    {
+
+    }
+    virtual ~MarkdownHeading() = default;
+
+    Type getType() const override
+    {
+        return Type::HEADING;
+    }
+
+    unsigned getLevel() const
+    {
+        return mLevel;
+    }
+
+private:
+    unsigned mLevel{1};
+};
+
+
+
+class MarkdownInlineQuote : public MarkdownInlineElement
+{
+public:
+
+    virtual ~MarkdownInlineQuote() = default;
+
+    Type getType() const override
+    {
+        return Type::INLINE_QUOTE;
+    }
+};
+
+class MarkdownMultilineQuote : public MarkdownElement
+{
+public:
+    MarkdownMultilineQuote(const std::string& tag)
+        : mTag(tag)
+    {
+
+    }
+
+    virtual ~MarkdownMultilineQuote() = default;
+
+    Type getType() const override
+    {
+        return Type::MULTILINE_QUOTE;
+    }
+
+private:
+    std::string mTag;
+};
+
+
+class MarkdownDocument
+{
+public:
+    void addElement(std::unique_ptr<MarkdownElement> element)
+    {
+        mElements.push_back(std::move(element));
+    }
+
+    std::size_t getNumElements() const
+    {
+        return mElements.size();
+    }
+
+    MarkdownElement* getElement(std::size_t idx) const
+    {
+        return mElements[idx].get();
+    }
+
+private:
+    std::vector<std::unique_ptr<MarkdownElement> > mElements;
+};
+
+

src/web/markdown/MarkdownParser.cpp

@@ -1,30 +1,231 @@
 #include "MarkdownParser.h"
 
+#include "MarkdownDocument.h"
+
 #include <sstream>
 #include <iostream>
 
 MarkdownParser::MarkdownParser()
-    : mHtmlDocument(HtmlDocument::Create())
 {
 
 }
 
-void MarkdownParser::processLine(const std::string& line)
+MarkdownParser::~MarkdownParser()
 {
 
 }
 
-void MarkdownParser::run(const std::string& content)
+void MarkdownParser::onMultilineQuote()
 {
+    std::cout << "Adding multiline quote " << mDocumentContent << std::endl;
+    auto quote = std::make_unique<MarkdownMultilineQuote>(mMultilineTag);
+    quote->appendTextContent(mDocumentContent);
+    mDocumentContent.clear();
+    mDocumentState = DocumentState::NONE;
+    mMarkdownDocument->addElement(std::move(quote));
+
+    onNewParagraph();
+}
+
+void MarkdownParser::onInlineQuote()
+{
+    std::cout << "Adding inline quote " << mLineContent << std::endl;
+
+    auto quote = std::make_unique<MarkdownInlineQuote>();
+    quote->appendTextContent(mLineContent);
+    mLineContent.clear();
+
+    mLineState = LineState::NONE;
+    if(mWorkingParagraph)
+    {
+        mWorkingParagraph->addChild(std::move(quote));
+    }
+}
+
+void MarkdownParser::onHeading(unsigned level)
+{
+    std::cout << "Adding heading: " << mLineContent << std::endl;
+
+    auto heading = std::make_unique<MarkdownHeading>(level);
+    heading->appendTextContent(mLineContent);
+    mMarkdownDocument->addElement(std::move(heading));
+}
+
+void MarkdownParser::onNewParagraph()
+{
+    if (mWorkingParagraph)
+    {
+        onTextSpan();
+
+        if (!mWorkingParagraph->getNumChildren() == 0)
+        {
+            std::cout << "Adding para to document" << std::endl;
+            mMarkdownDocument->addElement(std::move(mWorkingParagraph));
+        }
+    }
+    mWorkingParagraph = std::make_unique<MarkdownParagraph>();
+}
+
+void MarkdownParser::onTextSpan()
+{
+    mLineContent.clear();
+
+    if(mWorkingParagraph && !mDocumentContent.empty())
+    {
+        std::cout << "Adding text " << mDocumentContent << std::endl;
+
+        auto text_span = std::make_unique<MarkdownTextSpan>();
+        text_span->appendTextContent(mDocumentContent);
+        mWorkingParagraph->addChild(std::move(text_span));
+        mDocumentContent.clear();
+    }
+}
+
+std::pair<unsigned, bool> MarkdownParser::onTick(unsigned tickCount)
+{
+    unsigned new_tick_count = tickCount;
+    bool stop_line_processing = false;
+
+    if (tickCount == 2)
+    {
+        if (mDocumentState == DocumentState::IN_MULTILINEQUOTE)
+        {
+            onMultilineQuote();
+            stop_line_processing = true;
+        }
+        else
+        {
+            onNewParagraph();
+            mLineState = LineState::IN_MULTILINE_TAG;
+            new_tick_count = 0;
+            mDocumentState = DocumentState::IN_MULTILINEQUOTE;
+        }
+    }
+    else if(mLineState == LineState::IN_INLINEQUOTE)
+    {
+        if (mLineContent.empty())
+        {
+            mLineState = LineState::NONE;
+            new_tick_count++;
+        }
+        else
+        {
+            new_tick_count = 0;
+            onInlineQuote();
+        }
+    }
+    else if(mDocumentState == DocumentState::IN_MULTILINEQUOTE)
+    {
+        new_tick_count++;
+        mLineContent += '`';
+    }
+    else
+    {
+        new_tick_count++;
+        mLineState = LineState::IN_INLINEQUOTE;
+    }
+    return {new_tick_count, stop_line_processing};
+}
+
+void MarkdownParser::processLine()
+{
+    mLineContent.clear();
+    mLineState = LineState::NONE;
+
+    unsigned heading_level{0};
+    unsigned tick_count{0};
+    bool flushed_pre_inline = false;
+
+    for(auto c : mWorkingLine)
+    {
+        if (c == '`')
+        {
+            auto [ret_tick_count, stop_line_processing] = onTick(tick_count);
+            tick_count = ret_tick_count;
+            if(stop_line_processing)
+            {
+                return;
+            }
+        }
+        else
+        {
+            if (mLineState == LineState::IN_INLINEQUOTE)
+            {
+                if (!flushed_pre_inline)
+                {
+                    std::cout << "Flushing pre-line " << std::endl;
+                    mDocumentContent += mLineContent;
+                    onTextSpan();
+                    flushed_pre_inline = true;
+                }
+                mLineContent += c;
+            }
+            else if (mDocumentState == DocumentState::IN_MULTILINEQUOTE)
+            {
+                mLineContent += c;
+            }
+            else
+            {
+                if (c == '#')
+                {
+                    onNewParagraph();
+                    mLineState = LineState::IN_HEADING;
+                    heading_level++;
+                }
+                else
+                {
+                    mLineContent += c;
+                }
+            }
+        }
+    }
+
+    if (mLineState == LineState::IN_HEADING)
+    {
+        onHeading(heading_level);
+    }
+    else if(mLineState == LineState::IN_MULTILINE_TAG)
+    {
+        mMultilineTag = mLineContent;
+    }
+    else if (mLineState == LineState::IN_INLINEQUOTE)
+    {
+        onTextSpan();
+    }
+    else
+    {
+        if (mLineContent.size() > 0)
+        {
+            mDocumentContent.append(mLineContent);
+        }
+    }
+}
+
+void MarkdownParser::onEmptyLine()
+{
+    onNewParagraph();
+}
+
+std::unique_ptr<MarkdownDocument> MarkdownParser::run(const std::string& content)
+{
+    mMarkdownDocument = std::make_unique<MarkdownDocument>();
+
     std::stringstream ss(content);
     std::string line;
+
     while (std::getline(ss, line, '\n'))
     {
-        processLine(line);
+        if (line.empty())
+        {
+            onEmptyLine();
+            continue;
         }
+        mWorkingLine = line;
+        processLine();
     }
 
-HtmlDocumentPtr MarkdownParser::getHtml()
+    onTextSpan();
-{
+    onNewParagraph();
-    return std::move(mHtmlDocument);
+
+    return std::move(mMarkdownDocument);
 }

src/web/markdown/MarkdownParser.h

@@ -1,29 +1,56 @@
 #pragma once
 
-#include "HtmlDocument.h"
+#include <memory>
+#include <string>
+
+class MarkdownDocument;
+class MarkdownParagraph;
 
 class MarkdownParser
 {
     enum class DocumentState
     {
-        None
+        NONE,
+        IN_MULTILINEQUOTE
     };
 
     enum class LineState
     {
-        None
+        NONE,
+        IN_HEADING,
+        IN_INLINEQUOTE,
+        IN_MULTILINE_TAG
     };
 
 public:
     MarkdownParser();
 
-    HtmlDocumentPtr getHtml();
+    ~MarkdownParser();
 
-    void processLine(const std::string& line);
+    std::unique_ptr<MarkdownDocument> run(const std::string& content);
-
-    void run(const std::string& content);
 
 private:
-    DocumentState mDocumentState {DocumentState::None};
+    void processLine();
-    HtmlDocumentPtr mHtmlDocument;
+
+    void onMultilineQuote();
+    void onInlineQuote();
+    void onHeading(unsigned level);
+
+    void onEmptyLine();
+    void onNewParagraph();
+
+    void onTextSpan();
+
+    std::pair<unsigned, bool> onTick(unsigned tickCount);
+
+    std::string mWorkingLine;
+    std::string mLineContent;
+    std::string mDocumentContent;
+    std::string mMultilineTag;
+
+    LineState mLineState {LineState::NONE};
+    DocumentState mDocumentState {DocumentState::NONE};
+
+    std::unique_ptr<MarkdownParagraph> mWorkingParagraph{nullptr};
+    std::unique_ptr<MarkdownDocument> mMarkdownDocument;
 };

src/web/xml/XmlWriter.cpp

@@ -3,51 +3,6 @@
 #include "XmlDocument.h"
 #include "XmlAttribute.h"
 
-std::string XmlWriter::toString(XmlElement* element, unsigned depth)
-{
-    const auto prefix = std::string(2*depth, ' ');
-
-    auto content = prefix + "<" + element->getTagName();
-    for (std::size_t idx=0; idx< element->getNumAttributes(); idx++)
-    {
-        auto attribute = element->getAttribute(idx);
-        content += " " + attribute->getName() + "=\"" + attribute->getValue() + "\"";
-    }
-
-    const auto num_children = element->getNumChildren();
-    if (num_children == 0 && element->getText().empty())
-    {
-        content += "/>\n";
-        return content;
-    }
-    else
-    {
-        content += ">";
-    }
-
-    if (!element->getText().empty())
-    {
-        content += element->getText();
-    }
-
-    if (num_children>0)
-    {
-        content += "\n";
-    }
-    for (std::size_t idx=0; idx< element->getNumChildren(); idx++)
-    {
-        auto child = element->getChild(idx);
-        content += toString(child, depth+1);
-    }
-    if (num_children>0)
-    {
-        content += prefix;
-    }
-
-    content += "</" + element->getTagName() + ">\n";
-    return content;
-}
-
 std::string XmlWriter::toString(XmlDocument* document)
 {
     std::string content;
@@ -64,7 +19,7 @@ std::string XmlWriter::toString(XmlDocument* document)
 
     if (auto root = document->getRoot())
     {
-        content += toString(root);
+        content += root->toString();
     }
     return content;
 }

src/web/xml/XmlWriter.h

@@ -11,7 +11,4 @@ public:
     XmlWriter() = default;
 
     std::string toString(XmlDocument* document);
-
-private:
-    std::string toString(XmlElement* element, unsigned depth=0);
 };

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

@@ -49,6 +49,19 @@ void XmlElement::setText(const std::string& text)
     mText = text;
 }
 
+XmlElement* XmlElement::getFirstChildWithTagName(const std::string& tag)
+{
+    for(auto& child : mChildren)
+    {
+        if (child->getTagName() == tag)
+        {
+            return child.get();
+        }
+    }
+
+    return nullptr;
+}
+
 XmlAttribute* XmlElement::getAttribute(const std::string& attributeName) const
 {
     for(const auto& attribute : mAttributes)
@@ -84,3 +97,48 @@ XmlElement* XmlElement::getChild(std::size_t index) const
 {
     return mChildren[index].get();
 }
+
+std::string XmlElement::toString(unsigned depth) const
+{
+    const auto prefix = std::string(2*depth, ' ');
+
+    auto content = prefix + "<" + getTagName();
+    for (std::size_t idx=0; idx< getNumAttributes(); idx++)
+    {
+        auto attribute = getAttribute(idx);
+        content += " " + attribute->getName() + "=\"" + attribute->getValue() + "\"";
+    }
+
+    const auto num_children = getNumChildren();
+    if (num_children == 0 && getText().empty())
+    {
+        content += "/>\n";
+        return content;
+    }
+    else
+    {
+        content += ">";
+    }
+
+    if (!getText().empty())
+    {
+        content += getText();
+    }
+
+    if (num_children>0)
+    {
+        content += "\n";
+    }
+    for (std::size_t idx=0; idx< getNumChildren(); idx++)
+    {
+        auto child = getChild(idx);
+        content += child->toString(depth+1);
+    }
+    if (num_children>0)
+    {
+        content += prefix;
+    }
+
+    content += "</" + getTagName() + ">\n";
+    return content;
+}

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

@@ -29,9 +29,13 @@ public:
     std::size_t getNumChildren() const;
     XmlElement* getChild(std::size_t index) const;
 
+    XmlElement* getFirstChildWithTagName(const std::string& tag);
+
     void setText(const std::string& text);
     void setTagName(const std::string& tagName);
 
+    virtual std::string toString(unsigned depth = 0) const;
+
 protected:
     std::string mTagName;
     std::string mText;

test/web/TestMarkdownParser.cpp

@@ -1,5 +1,10 @@
 #include "MarkdownParser.h"
+
 #include "File.h"
+
+#include "HtmlDocument.h"
+#include "MarkdownDocument.h"
+#include "MarkdownConverter.h"
 #include "HtmlWriter.h"
 
 #include "TestFramework.h"
@@ -11,9 +16,10 @@ TEST_CASE(TestMarkdownParser, "web")
     const auto md_content = md_file.readText();
 
     MarkdownParser parser;
-    parser.run(md_content);
+    auto md_doc = parser.run(md_content);
 
-    auto html = parser.getHtml();
+    MarkdownConverter converter;
+    auto html = converter.convert(md_doc.get());
 
     HtmlWriter writer;
     const auto html_string = writer.toString(html.get());