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//===-- UriParser.cpp -----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/UriParser.h"
#include <string>
#include <cstdint>
#include <tuple>
using namespace lldb_private;
// UriParser::Parse
bool UriParser::Parse(llvm::StringRef uri, llvm::StringRef &scheme,
llvm::StringRef &hostname, int &port,
llvm::StringRef &path) {
llvm::StringRef tmp_scheme, tmp_hostname, tmp_path;
const llvm::StringRef 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 + kSchemeSep.size();
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.empty() && host_port[0] == '[') {
// hostname is enclosed with square brackets.
pos = host_port.rfind(']');
if (pos == std::string::npos)
return false;
tmp_hostname = host_port.substr(1, pos - 1);
host_port = host_port.drop_front(pos + 1);
if (!host_port.empty() && !host_port.consume_front(":"))
return false;
} else {
std::tie(tmp_hostname, host_port) = host_port.split(':');
}
// Extract port
if (!host_port.empty()) {
uint16_t port_value = 0;
if (host_port.getAsInteger(0, port_value))
return false;
port = port_value;
} else
port = -1;
scheme = tmp_scheme;
hostname = tmp_hostname;
path = tmp_path;
return true;
}
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