chinese-journal/rudict/rudict/http/request_handler.cpp
2014-12-13 20:59:41 +00:00

193 lines
4.2 KiB
C++

//
// request_handler.cpp
// ~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "request_handler.hpp"
#include <fstream>
#include <sstream>
#include <string>
#include <map>
#include "mime_types.hpp"
#include "reply.hpp"
#include "request.hpp"
#include "boost/algorithm/string.hpp"
#include "boost/property_tree/json_parser.hpp"
#include "../utf8utf16.h"
#include "../noun.h"
#include "../adjective.h"
#include "../verb.h"
#include "../other.h"
#include "../preposition.h"
namespace http {
namespace server {
request_handler::request_handler()
{
}
void request_handler::handle_request(const request& req, reply& rep)
{
// Decode url to path.
std::string request_path;
if (!url_decode(req.uri, request_path))
{
rep = reply::stock_reply(reply::bad_request);
return;
}
// Request path must be absolute and not contain "..".
if (request_path.empty() || request_path[0] != '/'
|| request_path.find("..") != std::wstring::npos)
{
rep = reply::stock_reply(reply::bad_request);
return;
}
// If path ends in slash (i.e. is a directory) then add "index.html".
if (request_path[request_path.size() - 1] == '/')
{
request_path += "index.html";
}
//Prepare request
if (request_path[0] == '/')
{
request_path = std::string(request_path.begin() + 1, request_path.end());
}
boost::to_lower(request_path);
std::wstring requestedStr = string_to_wstring(request_path);
/*
requestedStr = L"Вы запросили: " + requestedStr;
rep.content = UTF16to8(requestedStr.c_str());
rep.content = "<html><body>" + rep.content + "</body></html>";
*/
boost::property_tree::wptree propertyTree = PrepareReport(requestedStr);
std::wstringstream output_stream;
boost::property_tree::write_json(output_stream, propertyTree);
std::string outputJsonCode = wstring_to_string(output_stream.str());
rep.status = reply::ok;
rep.content = outputJsonCode;
rep.headers.resize(2);
rep.headers[0].name = "Content-Length";
rep.headers[0].value = std::to_string(rep.content.size());
rep.headers[1].name = "Content-Type";
rep.headers[1].value = "application/json; charset=utf-8";
}
bool request_handler::url_decode(const std::string& in, std::string& out)
{
out.clear();
out.reserve(in.size());
for (std::size_t i = 0; i < in.size(); ++i)
{
if (in[i] == '%')
{
if (i + 3 <= in.size())
{
int value = 0;
std::istringstream is(in.substr(i + 1, 2));
if (is >> std::hex >> value)
{
out += static_cast<char>(value);
i += 2;
}
else
{
return false;
}
}
else
{
return false;
}
}
else if (in[i] == '+')
{
out += ' ';
}
else
{
out += in[i];
}
}
return true;
}
boost::property_tree::wptree PrepareReport(std::wstring request)
{
boost::property_tree::wptree result;
std::cout <<"PrepareReport" << std::endl;
if (request.size() < 2)
{
result.put(L"error", L"String is too short");
}
int id = 0;
std::vector<std::shared_ptr<WordPairInterface>> wordPairSet;
NN::RecognizeNoun(request, wordPairSet);
AJ::RecognizeAdjective(request, wordPairSet);
VB::RecognizeVerb(request, wordPairSet);
OT::RecognizeWord(request, wordPairSet);
PP::RecognizeWord(request, wordPairSet);
boost::property_tree::wptree wordArr;
for (auto& wordPair : wordPairSet)
{
boost::property_tree::wptree nounTree;
nounTree.put(L"id", id);
nounTree.put(L"type", wordPair->getType());
nounTree.put(L"word", wordPair->word().GetWord());
nounTree.put_child(L"properties", wordPair->word().GetProperties());
nounTree.put_child(L"modificators", wordPair->wordModificator().GetModificators());
nounTree.put_child(L"translations", wordPair->word().CreateTranslationPropertyTree());
wordArr.push_back(std::make_pair(L"", nounTree));
id++;
}
result.put_child(L"words", wordArr);
return result;
}
} // namespace server
} // namespace http