forked from OSchip/llvm-project
74 lines
2.0 KiB
C++
74 lines
2.0 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 "lldb/Utility/UriParser.h"
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#include <string>
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#include <stdint.h>
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#include <tuple>
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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 UriParser::Parse(llvm::StringRef uri, llvm::StringRef &scheme,
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llvm::StringRef &hostname, int &port,
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llvm::StringRef &path) {
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llvm::StringRef tmp_scheme, tmp_hostname, tmp_port, tmp_path;
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const llvm::StringRef 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 + kSchemeSep.size();
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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,
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((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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// 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 = host_port.drop_front(pos + 1);
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if (!host_port.empty() && !host_port.consume_front(":"))
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return false;
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} else {
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std::tie(tmp_hostname, host_port) = host_port.split(':');
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}
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// Extract port
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if (!host_port.empty()) {
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uint16_t port_value = 0;
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if (host_port.getAsInteger(0, port_value))
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return false;
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port = port_value;
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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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