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109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "arrow/type_fwd.h"
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#include "arrow/util/string_view.h"
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#include "arrow/util/visibility.h"
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namespace arrow {
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namespace internal {
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/// \brief A parsed URI
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class ARROW_EXPORT Uri {
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public:
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Uri();
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~Uri();
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Uri(Uri&&);
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Uri& operator=(Uri&&);
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// XXX Should we use util::string_view instead? These functions are
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// not performance-critical.
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/// The URI scheme, such as "http", or the empty string if the URI has no
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/// explicit scheme.
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std::string scheme() const;
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/// Whether the URI has an explicit host name. This may return true if
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/// the URI has an empty host (e.g. "file:///tmp/foo"), while it returns
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/// false is the URI has not host component at all (e.g. "file:/tmp/foo").
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bool has_host() const;
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/// The URI host name, such as "localhost", "127.0.0.1" or "::1", or the empty
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/// string is the URI does not have a host component.
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std::string host() const;
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/// The URI port number, as a string such as "80", or the empty string is the URI
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/// does not have a port number component.
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std::string port_text() const;
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/// The URI port parsed as an integer, or -1 if the URI does not have a port
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/// number component.
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int32_t port() const;
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/// The username specified in the URI.
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std::string username() const;
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/// The password specified in the URI.
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std::string password() const;
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/// The URI path component.
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std::string path() const;
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/// The URI query string
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std::string query_string() const;
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/// The URI query items
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///
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/// Note this API doesn't allow differentiating between an empty value
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/// and a missing value, such in "a&b=1" vs. "a=&b=1".
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Result<std::vector<std::pair<std::string, std::string>>> query_items() const;
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/// Get the string representation of this URI.
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const std::string& ToString() const;
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/// Factory function to parse a URI from its string representation.
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Status Parse(const std::string& uri_string);
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private:
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struct Impl;
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std::unique_ptr<Impl> impl_;
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};
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/// Percent-encode the input string, for use e.g. as a URI query parameter.
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ARROW_EXPORT
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std::string UriEscape(const std::string& s);
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ARROW_EXPORT
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std::string UriUnescape(const arrow::util::string_view s);
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/// Encode a host for use within a URI, such as "localhost",
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/// "127.0.0.1", or "[::1]".
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ARROW_EXPORT
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std::string UriEncodeHost(const std::string& host);
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/// Whether the string is a syntactically valid URI scheme according to RFC 3986.
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ARROW_EXPORT
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bool IsValidUriScheme(const arrow::util::string_view s);
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} // namespace internal
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} // namespace arrow
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