No paragraphs for html (#27)

* htmlparser added
* Added ParserConfig
    * added option to disable the emphasized parser
    * added option to not wrap HTML in markdown within a paragraph in output
* Updated docs
* Version update 1.1.1

include/maddy/htmlparser.h

@@ -0,0 +1,127 @@
+/*
+ * This project is licensed under the MIT license. For more information see the
+ * LICENSE file.
+ */
+#pragma once
+
+// -----------------------------------------------------------------------------
+
+#include <functional>
+#include <string>
+
+#include "maddy/blockparser.h"
+
+// -----------------------------------------------------------------------------
+
+namespace maddy {
+
+// -----------------------------------------------------------------------------
+
+/**
+ * HtmlParser
+ *
+ * @class
+ */
+class HtmlParser : public BlockParser
+{
+public:
+  /**
+   * ctor
+   *
+   * @method
+   * @param {std::function<void(std::string&)>} parseLineCallback
+   * @param {std::function<std::shared_ptr<BlockParser>(const std::string& line)>} getBlockParserForLineCallback
+   */
+   HtmlParser(
+    std::function<void(std::string&)> parseLineCallback,
+    std::function<std::shared_ptr<BlockParser>(const std::string& line)> getBlockParserForLineCallback
+  )
+    : BlockParser(parseLineCallback, getBlockParserForLineCallback)
+    , isStarted(false)
+    , isFinished(false)
+    , isGreaterThanFound(false)
+  {}
+
+  /**
+   * IsStartingLine
+   *
+   * If the line is starting with `<`, HTML is expected to follow.
+   * Nothing after that will be parsed, it only is copied.
+   *
+   * @method
+   * @param {const std::string&} line
+   * @return {bool}
+   */
+  static bool
+  IsStartingLine(const std::string& line)
+  {
+    return line[0] == '<';
+  }
+
+  /**
+   * IsFinished
+   *
+   * `>` followed by an empty line will end the HTML block.
+   *
+   * @method
+   * @return {bool}
+   */
+  bool
+  IsFinished() const override
+  {
+    return this->isFinished;
+  }
+
+protected:
+  bool
+  isInlineBlockAllowed() const override
+  {
+    return false;
+  }
+
+  bool
+  isLineParserAllowed() const override
+  {
+    return false;
+  }
+
+  void
+  parseBlock(std::string& line) override
+  {
+    if (!this->isStarted)
+    {
+      this->isStarted = true;
+    }
+
+    if (!line.empty() && line[line.size() - 1] == '>')
+    {
+      this->isGreaterThanFound = true;
+      return;
+    }
+
+    if (line.empty() && this->isGreaterThanFound)
+    {
+      this->isFinished = true;
+      return;
+    }
+
+    if (!line.empty() && this->isGreaterThanFound)
+    {
+      this->isGreaterThanFound = false;
+    }
+
+    if (!line.empty())
+    {
+      line += " ";
+    }
+  }
+
+private:
+  bool isStarted;
+  bool isFinished;
+  bool isGreaterThanFound;
+}; // class HtmlParser
+
+// -----------------------------------------------------------------------------
+
+} // namespace maddy

include/maddy/paragraphparser.h

@@ -44,8 +44,9 @@ public:
   /**
    * IsStartingLine
    *
-   * If the line is not empty, it will be a paragraph. So this block parser has
-   * to always run as the last one!
+   * If the line is not empty, it will be a paragraph.
+   *
+   * This block parser has to always run as the last one!
    *
    * @method
    * @param {const std::string&} line

include/maddy/parser.h

@@ -10,11 +10,14 @@
 #include <functional>
 #include <string>
 
+#include "maddy/parserconfig.h"
+
 // BlockParser
 #include "maddy/checklistparser.h"
 #include "maddy/codeblockparser.h"
 #include "maddy/headlineparser.h"
 #include "maddy/horizontallineparser.h"
+#include "maddy/htmlparser.h"
 #include "maddy/orderedlistparser.h"
 #include "maddy/paragraphparser.h"
 #include "maddy/quoteparser.h"
@@ -54,8 +57,9 @@ public:
    *
    * @method
    */
-  Parser()
-    : breakLineParser(std::make_shared<BreakLineParser>())
+  Parser(std::shared_ptr<ParserConfig> config = nullptr)
+    : config(config)
+    , breakLineParser(std::make_shared<BreakLineParser>())
     , emphasizedParser(std::make_shared<EmphasizedParser>())
     , imageParser(std::make_shared<ImageParser>())
     , inlineCodeParser(std::make_shared<InlineCodeParser>())
@@ -113,6 +117,7 @@ public:
   }
 
 private:
+  std::shared_ptr<ParserConfig> config;
   std::shared_ptr<BreakLineParser> breakLineParser;
   std::shared_ptr<EmphasizedParser> emphasizedParser;
   std::shared_ptr<ImageParser> imageParser;
@@ -132,7 +137,11 @@ private:
 
     // Attention! StrongParser has to be before EmphasizedParser
     this->strongParser->Parse(line);
-    this->emphasizedParser->Parse(line);
+
+    if (!this->config || this->config->isEmphasizedParserEnabled)
+    {
+      this->emphasizedParser->Parse(line);
+    }
 
     this->strikeThroughParser->Parse(line);
 
@@ -195,6 +204,14 @@ private:
     {
       parser = this->createUnorderedListParser();
     }
+    else if (
+      this->config &&
+      !this->config->isHTMLWrappedInParagraph &&
+      maddy::HtmlParser::IsStartingLine(line)
+    )
+    {
+      parser = std::make_shared<maddy::HtmlParser>(nullptr, nullptr);
+    }
     else if (maddy::ParagraphParser::IsStartingLine(line))
     {
       parser = std::make_shared<maddy::ParagraphParser>(

include/maddy/parserconfig.h

@@ -0,0 +1,31 @@
+/*
+ * This project is licensed under the MIT license. For more information see the
+ * LICENSE file.
+ */
+#pragma once
+
+// -----------------------------------------------------------------------------
+
+namespace maddy {
+
+// -----------------------------------------------------------------------------
+
+/**
+ * ParserConfig
+ *
+ * @class
+ */
+struct ParserConfig
+{
+  bool isEmphasizedParserEnabled;
+  bool isHTMLWrappedInParagraph;
+
+  ParserConfig()
+    : isEmphasizedParserEnabled(true)
+    , isHTMLWrappedInParagraph(true)
+  {}
+}; // class ParserConfig
+
+// -----------------------------------------------------------------------------
+
+} // namespace maddy