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//===-- UriParser.cpp -------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Utility/UriParser.h"
// C Includes
// C++ Includes
#include <cstring>
// Other libraries and framework includes
// Project includes
#include "lldb/Host/StringConvert.h"
using namespace lldb_private;
//----------------------------------------------------------------------
// UriParser::Parse
//----------------------------------------------------------------------
bool
UriParser::Parse(const std::string& uri,
std::string& scheme,
std::string& hostname,
int& port,
std::string& path)
{
std::string tmp_scheme, tmp_hostname, tmp_port, tmp_path;
static const char* kSchemeSep = "://";
auto pos = uri.find(kSchemeSep);
if (pos == std::string::npos)
return false;
// Extract path.
tmp_scheme = uri.substr(0, pos);
auto host_pos = pos + strlen(kSchemeSep);
auto path_pos = uri.find('/', host_pos);
if (path_pos != std::string::npos)
tmp_path = uri.substr(path_pos);
else
tmp_path = "/";
auto host_port = uri.substr(
host_pos, ((path_pos != std::string::npos) ? path_pos : uri.size()) - host_pos);
// Extract hostname
if (host_port[0] == '[')
{
// hostname is enclosed with square brackets.
pos = host_port.find(']');
if (pos == std::string::npos)
return false;
tmp_hostname = host_port.substr(1, pos - 1);
host_port.erase(0, pos + 1);
}
else
{
pos = host_port.find(':');
tmp_hostname = host_port.substr(0, (pos != std::string::npos) ? pos : host_port.size());
host_port.erase(0, (pos != std::string::npos) ? pos : host_port.size());
}
// Extract port
tmp_port = host_port;
if (!tmp_port.empty())
{
if (tmp_port[0] != ':')
return false;
tmp_port = tmp_port.substr(1);
bool success = false;
auto port_tmp = StringConvert::ToUInt32(tmp_port.c_str(), UINT32_MAX, 10, &success);
if (!success || port_tmp > 65535)
{
// there are invalid characters in port_buf
return false;
}
port = port_tmp;
}
else
port = -1;
scheme = tmp_scheme;
hostname = tmp_hostname;
path = tmp_path;
return true;
}
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