127 lines
4.6 KiB
C++
127 lines
4.6 KiB
C++
/*
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Copyright (c) 2012-2018, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORRENT_STRING_UTIL_HPP_INCLUDED
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#define TORRENT_STRING_UTIL_HPP_INCLUDED
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#include "libtorrent/config.hpp"
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#include "libtorrent/string_view.hpp"
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#include "libtorrent/span.hpp"
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#include <vector>
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#include <string>
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#include <cstdint>
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#include <limits>
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#include <array> // for std::array
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namespace libtorrent {
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TORRENT_EXTRA_EXPORT bool is_alpha(char c);
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TORRENT_EXTRA_EXPORT
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std::array<char, 4+std::numeric_limits<std::int64_t>::digits10>
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to_string(std::int64_t n);
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// internal
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inline bool is_digit(char c)
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{ return c >= '0' && c <= '9'; }
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inline void ensure_trailing_slash(std::string& url)
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{
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if (url.empty() || url[url.size() - 1] != '/')
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url += '/';
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}
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TORRENT_EXTRA_EXPORT bool is_print(char c);
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TORRENT_EXTRA_EXPORT bool is_space(char c);
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TORRENT_EXTRA_EXPORT char to_lower(char c);
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TORRENT_EXTRA_EXPORT bool string_begins_no_case(char const* s1, char const* s2);
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TORRENT_EXTRA_EXPORT bool string_equal_no_case(string_view s1, string_view s2);
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TORRENT_EXTRA_EXPORT void url_random(span<char> dest);
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TORRENT_EXTRA_EXPORT bool string_ends_with(string_view s1, string_view s2);
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// Returns offset at which src matches target.
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// If no sync found, return -1
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TORRENT_EXTRA_EXPORT int search(span<char const> src, span<char const> target);
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struct listen_interface_t
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{
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std::string device;
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int port;
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bool ssl;
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};
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// this parses the string that's used as the listen_interfaces setting.
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// it is a comma-separated list of IP or device names with ports. For
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// example: "eth0:6881,eth1:6881" or "127.0.0.1:6881"
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TORRENT_EXTRA_EXPORT std::vector<listen_interface_t> parse_listen_interfaces(
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std::string const& in);
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TORRENT_EXTRA_EXPORT std::string print_listen_interfaces(
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std::vector<listen_interface_t> const& in);
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// this parses the string that's used as the listen_interfaces setting.
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// it is a comma-separated list of IP or device names with ports. For
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// example: "eth0:6881,eth1:6881" or "127.0.0.1:6881"
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TORRENT_EXTRA_EXPORT void parse_comma_separated_string_port(
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std::string const& in, std::vector<std::pair<std::string, int>>& out);
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// this parses the string that's used as the outgoing_interfaces setting.
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// it is a comma separated list of IPs and device names. For example:
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// "eth0, eth1, 127.0.0.1"
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TORRENT_EXTRA_EXPORT void parse_comma_separated_string(
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std::string const& in, std::vector<std::string>& out);
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// strdup is not part of the C standard. Some systems
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// don't have it and it won't be available when building
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// in strict ansi mode
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char* allocate_string_copy(string_view str);
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// searches for separator ('sep') in the string 'last'.
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// if found, returns the string_view representing the range from the start of
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// `last` up to (but not including) the separator. The second return value is
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// the remainder of the string, starting one character after the separator.
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// if no separator is found, the whole string is returned and the second
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// return value is an empty string_view.
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TORRENT_EXTRA_EXPORT std::pair<string_view, string_view> split_string(string_view last, char sep);
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#if TORRENT_USE_I2P
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TORRENT_EXTRA_EXPORT bool is_i2p_url(std::string const& url);
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#endif
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}
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#endif
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