llvm-project/lldb/source/Utility/UriParser.cpp

67 lines
1.9 KiB
C++

//===-- 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
#include <stdlib.h>
#include <stdio.h>
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Host/StringConvert.h"
using namespace lldb_private;
//----------------------------------------------------------------------
// UriParser::Parse
//----------------------------------------------------------------------
bool
UriParser::Parse(const char* uri,
std::string& scheme,
std::string& hostname,
int& port,
std::string& path
)
{
char scheme_buf[100] = {0};
char hostname_buf[256] = {0};
char port_buf[11] = {0}; // 10==strlen(2^32)
char path_buf[2049] = {'/', 0};
bool ok = false;
if (4==sscanf(uri, "%99[^:/]://%255[^/:]:%10[^/]/%2047s", scheme_buf, hostname_buf, port_buf, path_buf+1)) { ok = true; }
else if (3==sscanf(uri, "%99[^:/]://%255[^/:]:%10[^/]", scheme_buf, hostname_buf, port_buf)) { ok = true; }
else if (3==sscanf(uri, "%99[^:/]://%255[^/]/%2047s", scheme_buf, hostname_buf, path_buf+1)) { ok = true; }
else if (2==sscanf(uri, "%99[^:/]://%255[^/]", scheme_buf, hostname_buf)) { ok = true; }
bool success = false;
int port_tmp = -1;
if (port_buf[0])
{
port_tmp = StringConvert::ToUInt32(port_buf, UINT32_MAX, 10, &success);
if (!success || port_tmp > 65535)
{
// there are invalid characters in port_buf
return false;
}
}
if (ok)
{
scheme.assign(scheme_buf);
hostname.assign(hostname_buf);
port = port_tmp;
path.assign(path_buf);
}
return ok;
}