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