premiere-libtorrent/include/libtorrent/escape_string.hpp

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/*
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Copyright (c) 2003-2014, Arvid Norberg
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All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TORRENT_ESCAPE_STRING_HPP_INCLUDED
#define TORRENT_ESCAPE_STRING_HPP_INCLUDED
#include <string>
#include <boost/limits.hpp>
#include <boost/array.hpp>
#include "libtorrent/config.hpp"
#include "libtorrent/size_type.hpp"
#include "libtorrent/error_code.hpp"
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namespace libtorrent
{
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TORRENT_EXTRA_EXPORT boost::array<char, 4 + std::numeric_limits<size_type>::digits10> to_string(size_type n);
TORRENT_EXTRA_EXPORT std::string unescape_string(std::string const& s, error_code& ec);
// replaces all disallowed URL characters by their %-encoding
TORRENT_EXTRA_EXPORT std::string escape_string(const char* str, int len);
// same as escape_string but does not encode '/'
TORRENT_EXTRA_EXPORT std::string escape_path(const char* str, int len);
// if the url does not appear to be encoded, and it contains illegal url characters
// it will be encoded
TORRENT_EXTRA_EXPORT std::string maybe_url_encode(std::string const& url);
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// convert a file://-URL to a proper path
TORRENT_EXTRA_EXPORT std::string resolve_file_url(std::string const& url);
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// returns true if the given string (not null terminated) contains
// characters that would need to be escaped if used in a URL
TORRENT_EXTRA_EXPORT bool need_encoding(char const* str, int len);
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// encodes a string using the base64 scheme
TORRENT_EXTRA_EXPORT std::string base64encode(std::string const& s);
// encodes a string using the base32 scheme
TORRENT_EXTRA_EXPORT std::string base32encode(std::string const& s);
TORRENT_EXTRA_EXPORT std::string base32decode(std::string const& s);
TORRENT_EXTRA_EXPORT std::string url_has_argument(
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std::string const& url, std::string argument, std::string::size_type* out_pos = 0);
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// replaces \ with /
TORRENT_EXTRA_EXPORT void convert_path_to_posix(std::string& path);
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#ifdef TORRENT_WINDOWS
TORRENT_EXTRA_EXPORT void convert_path_to_windows(std::string& path);
#endif
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TORRENT_EXTRA_EXPORT std::string read_until(char const*& str, char delim, char const* end);
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TORRENT_EXTRA_EXPORT int hex_to_int(char in);
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TORRENT_EXTRA_EXPORT bool is_hex(char const *in, int len);
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// converts (binary) the string ``s`` to hexadecimal representation and
// returns it.
TORRENT_EXPORT std::string to_hex(std::string const& s);
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// converts the binary buffer [``in``, ``in`` + len) to hexadecimal
// and prints it to the buffer ``out``. The caller is responsible for
// making sure the buffer pointed to by ``out`` is large enough,
// i.e. has at least len * 2 bytes of space.
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TORRENT_EXPORT void to_hex(char const *in, int len, char* out);
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// converts the buffer [``in``, ``in`` + len) from hexadecimal to
// binary. The binary output is written to the buffer pointed to
// by ``out``. The caller is responsible for making sure the buffer
// at ``out`` has enough space for the result to be written to, i.e.
// (len + 1) / 2 bytes.
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TORRENT_EXPORT bool from_hex(char const *in, int len, char* out);
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#if defined TORRENT_WINDOWS && TORRENT_USE_WSTRING
TORRENT_EXTRA_EXPORT std::wstring convert_to_wstring(std::string const& s);
TORRENT_EXTRA_EXPORT std::string convert_from_wstring(std::wstring const& s);
#endif
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#if TORRENT_USE_ICONV || TORRENT_USE_LOCALE || defined TORRENT_WINDOWS
TORRENT_EXTRA_EXPORT std::string convert_to_native(std::string const& s);
TORRENT_EXTRA_EXPORT std::string convert_from_native(std::string const& s);
#else
// internal
inline std::string const& convert_to_native(std::string const& s) { return s; }
// internal
inline std::string const& convert_from_native(std::string const& s) { return s; }
#endif
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}
#endif // TORRENT_ESCAPE_STRING_HPP_INCLUDED
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