Ginger

C++ Template Engine for HTML/CSS/JavaScript

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Install / Use

/learn @melpon/Ginger

About this skill

Quality Score

0/100

README

====== ginger

Template is here

.. sourcecode:: html

<html> <head> <title>${title}</title> </head> <body> <p>List of values:</p> <ul> $for x in xs {{ $if x.enable {{ <li><a href="${x.url}">${x.value}</a></li> }} }} </ul> </body> </html>

Source code is here

.. sourcecode:: cpp

#include "ginger.h" #include <iostream> #include <sstream> #include <vector> #include <map> #include <string>

int main() { std::vector<std::map<std::string, ginger::object>> xs; xs.push_back({ { "enable", true }, { "url", "http://example.com" }, { "value", "Example" }, }); xs.push_back({ { "enable", false }, { "url", "undefined" }, { "value", "Test" }, }); xs.push_back({ { "enable", true }, { "url", "http://google.com" }, { "value", "Google" }, });

  std::map<std::string, ginger::object> t;
  t["title"] = "Sample Site";
  t["xs"] = xs;

  std::stringstream ss;
  ss << std::cin.rdbuf();
  try {
      ginger::parse(ss.str(), t);
  } catch (ginger::parse_error& error) {
      std::cerr << error.long_error() << std::endl;
  }

}

Result

.. sourcecode:: html

<html> <head> <title>Sample Site</title> </head> <body> <p>List of values:</p> <ul>

        <li><a href="http://example.com">Example</a></li>
      
    
      
    
      
        <li><a href="http://google.com">Google</a></li>
      
    
  </ul>
</body>

</html>

Requirements

Input

below expression should be valid

.. sourcecode:: cpp

auto first = std::begin(input); auto last = std::end(input);
first, last should be ForwardIterator.

Dictionary

Below expressions should be valid

.. sourcecode:: cpp

std::string var; auto it = dic.find(var); it != dic.end();
Type of it->second should be object.

Output

Below expression should be valid

.. sourcecode:: cpp

// Output output; // default constructible is not required. // For any ForwardIterator first, last output.put(first, last); output.flush();

Reference

object

Class object can construct from any value.

.. sourcecode:: cpp

class object { public: object() = default; object(const object&) = default; object(object&&) = default; object& operator=(const object&) = default; object& operator=(object&&) = default;

  template<class T> object(T v);
  template<class T> void operator=(T v);

};

parse

.. sourcecode:: cpp

template<class Input, class Dictionary> void parse(Input&& input, Dictionary&& t); template<class Input, class Dictionary, class Output> void parse(Input&& input, Dictionary&& t, Output&& out);

template<class Dictionary> void parse(const char* input, Dictionary&& t); template<class Dictionary, class Output> void parse(const char* input, Dictionary&& t, Output&& out);

Template Syntax Specification

<root> = <block> <block> = (<char> | <$comment> | <$for> | <$if> | <$variable> | $$ | ${{ | $}}) <block> | <eof> <char> = any character without '$' <$comment> = $#<comment-char>* <comment-char> = any character without '\n' and <eof> <$for> = $for <var-name> in <var> {{ <block> }} <$if> = $if <var> {{ <block> }} ($elseif <var> {{ <block> }})? ($else {{ <block> }})? <$variable> = ${<var>} <var> = <var-name>(.<var-name>)* <var-name> = <var-char>+ <var-char> = any character without <whitespace>, '.', '{' or '}' <whitespace> = c <= 32 where c is character

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