wrapper/webview_impl.cpp

 
#include "webview.h"
 
#include <cassert>
#include <string>
#include <vector>
#include <map>
#include <regex>
#include <sstream>
#include "../webview_impl.hpp"
 
static std::vector<std::string> split(const std::string& input, const std::string& regex)
{
  // passing -1 as the submatch index parameter performs splitting
  std::regex re(regex);
  std::sregex_token_iterator first{ input.begin(), input.end(), re, -1 };
  std::sregex_token_iterator last;
  return { first, last };
}
 
static std::map<std::string, std::string> urlsplit(const std::string& url)
{
  auto pos = url.find('?');
  if (pos == std::string::npos)
    return {};
  auto surl = url.substr(pos);
  auto args = split(surl, "&");
 
  std::map<std::string, std::string> argmap;
  for (const auto& arg : args)
  {
    auto kv = split(arg, "=");
    if (kv.size() == 2)
      argmap.insert({ kv[0], kv[1] });
  }
  return argmap;
}
 
static void fkt(const std::string& url, void* arg)
{
  auto args = urlsplit(url);
  auto val = args.find("code");
  if (val == args.end())
    return;
 
  assert(arg);
  auto rcode = static_cast<std::string*>(arg);
  *rcode = val->second;
}
 
bool webview_impl_run(const std::string& title, const std::string& url, std::string& code)
{
  webview::webview w(false, nullptr);
 
  w.set_title(title);
  w.set_size(640, 480, WEBVIEW_HINT_NONE);
 
  std::string scheme;
  w.add_scheme_handler("ms-appx-web", fkt, &scheme);
  w.add_navigate_listener(fkt, &code);
  w.navigate(url);
  w.run();
  return !code.empty();
}