Parser: Function to exstract 'commands'/attributes (e. g. visible, renaming)

iparser.h

@@ -8,6 +8,7 @@
 class IParser
 {
 public:
+   virtual std::string extractCommand(std::string cmdname, std::string content) const = 0 ;
    virtual std::vector<Headline> extractHeadlines(std::string content) const = 0;
 	virtual std::string parse(const PageDao &pagedao, UrlProvider &provider, std::string content) const = 0;
 	virtual std::vector<std::string> extractCategories(std::string content) const = 0;

parser.cpp

@@ -63,6 +63,19 @@ std::vector<std::string> Parser::extractCategories(std::string content) const
 	}
 	return result;
 }
+
+std::string Parser::extractCommand(std::string cmdname, std::string content) const
+{
+	std::string regstr = "(\\s|\\S)*\\[cmd\\:" + cmdname + "\\](.*?)\\[/cmd\\:" + cmdname + "\\](\\s|\\S)*";
+	std::regex reg { regstr };
+	std::smatch match;
+	if(std::regex_match(content, match, reg))
+	{
+
+		return match.str(2);
+	}
+	return "";
+}
 std::string Parser::processLink(const PageDao &pageDao, UrlProvider &urlProvider, std::smatch &match) const
 {
 	std::string linktag = match.str(1);
@@ -98,6 +111,8 @@ std::string Parser::processLink(const PageDao &pageDao, UrlProvider &urlProvider
 	return htmllink.render();
 
 }
+
+
 std::string Parser::parse(const PageDao &pagedao, UrlProvider &provider, std::string content) const
 {
 	std::string result;

parser.h

@@ -9,6 +9,7 @@ class Parser  : public IParser
 private:
 	std::string processLink(const PageDao &pageDao, UrlProvider &urlProvider, std::smatch &match) const;
 public:
+	std::string extractCommand(std::string cmdname, std::string content) const ;
 	std::vector<Headline> extractHeadlines(std::string content) const override ;
 	std::vector<std::string> extractCategories(std::string content) const override;
 	std::string parse(const PageDao &pagedao, UrlProvider &provider, std::string content) const override;