mdhtml/mdhtml_s.cpp at master · MrQuba/mdhtml · GitHub

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#include <algorithm>
#include <iostream>


void make_h(std::string &code, std::string &result) {
  auto i = std::ranges::find(code, '#');
  auto j = std::ranges::find(code, ';');
  auto c = std::count(i, j, '#');
  result += "<h" + std::string(1, c + '0') + ">" + std::string(i + c, j) +
            "</h" + std::string(1, c + '0') + ">";
  code.erase(i, j + 1);
}
void make_(std::string &code, std::string &result, const char s,
           const std::string &p, const std::string &a) {
  auto i = std::ranges::find(code, s);
  auto j = std::ranges::find(code, ';');
  result += p + std::string(i + 1, j) + a;
  code.erase(i, j + 1);
}
void make_p(std::string &code, std::string &result) {
  make_(code, result, '@', "<p>", "</p>");
}
void make_style(std::string &code, std::string &result) {
  make_(code, result, '!', "<link rel=\"stylesheet\" href=\"", "\">");
}
void make_title(std::string &code, std::string &result) {
  make_(code, result, '$', "<title>", "</title>");
}
void make_img(std::string &code, std::string &result) {
  make_(code, result, '*', "<img src=\"", "\">");
}
void make_html(const std::string &code, std::string &result) {
  result = "<!DOCTYPE html><html><head><meta charset=\"utf-8\">";
  std::string cstr = code;
  if (cstr.contains('!'))
    make_style(cstr, result);
  if (cstr.contains('$'))
    make_title(cstr, result);
  result += "</meta><body>";
  while (!cstr.empty()) {
    switch (cstr.front()) {
    case '#':
      make_h(cstr, result);
      break;
    case '@':
      make_p(cstr, result);
      break;
    case '*':
      make_img(cstr, result);
      break;
    default:
      if (cstr.front() == ' ')
        cstr.erase(0, 1);
      break;
    }
  }
  result += "</body></html>";
}

int main() {
  std::string r = ""; // result string
  std::string c = ""; // code goes here
  make_html(c, r);
  std::cout << r;

  return 0;
}