finder.cpp - master - Boxapp/yadisk-helper

finder.cpp
78 строк2 KB
DebianCougar
test build 2026.02-beta
30 янв 2026, 21:25
30 янв 2026, 21:25eb3551d
#include <boost/json.hpp> // NOTE compile with flag -lboost_json
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>

#include "http.hpp"

using boost::json::array;
using boost::json::stream_parser;
using boost::json::value;
using boost::system::error_code;

using std::cerr;
using std::endl;
using std::exception;
using std::getline;
using std::ifstream;
using std::istream;
using std::istringstream;
using std::ostream;
using std::string;
using std::vector;

static value readJson( istream& is, error_code& ec ) {
	stream_parser p;
	string line;
	while (getline( is, line )) {
		p.write( line, ec );
		if ( ec ) return nullptr;
	}
	p.finish( ec );
	if ( ec ) return nullptr;
	return p.release();
}

static size_t loadCount(const string &dir, const string &token) {
	string json = queryCount(dir, token);
	error_code err;
	istringstream reader(json);
	value tree = readJson(reader, err);
	if (err) {
		cerr << "[ ERROR ] " << err.what() << endl; // FIXME explicitly notify if path not found
		return 0;
	} else {
		value emb = tree.at("_embedded");
		value filecnt = emb.at("total");
		return filecnt.as_int64();
	}
}

static vector<string> loadItems(const string &dir, size_t count, const string &token) {
	string json = queryItems(dir, count, token);
	error_code err;
	istringstream reader(json);
	value tree = readJson(reader, err);
	vector<string> res;
	if (err) cerr << "[ ERROR ] " << err.what() << endl; // FIXME explicitly notify if path not found
	else {
		value emb = tree.at("_embedded");
		value items = emb.at("items");
		array files = items.as_array();
		for (const auto &file : files) res.push_back(file.at("name").as_string().c_str());
	}
	return res;
}

vector<string> contents(const string &dir, const string &token) {
	vector<string> res;
	try {
		size_t filecnt = loadCount(dir, token);
		if (filecnt > 0) res = loadItems(dir, filecnt, token);
	} catch (exception &ex) {
		cerr << "[ ERROR ] " << ex.what() << endl;
	}
	return res;
}