100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
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/*
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Copyright (c) 2007, 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_XML_PARSE_HPP
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#define TORRENT_XML_PARSE_HPP
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namespace libtorrent
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{
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const int xml_start_tag = 0;
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const int xml_end_tag = 1;
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const int xml_string = 2;
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template <class CallbackType>
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void xml_parse(char* p, char* end, CallbackType callback)
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{
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for(;p != end; ++p)
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{
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char const* start = p;
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// look for tag start
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for(; *p != '<' && p != end; ++p);
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if (p != start)
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{
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if (p != end)
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{
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assert(*p == '<');
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*p = 0;
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}
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callback(xml_string, start);
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if (p != end) *p = '<';
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}
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if (p == end) break;
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// skip '<'
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++p;
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// parse the name of the tag. Ignore attributes
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for (start = p; p != end && *p != '>'; ++p)
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{
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// terminate the string at the first space
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// to ignore tag attributes
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if (*p == ' ') *p = 0;
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}
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// parse error
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if (p == end) break;
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assert(*p == '>');
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*p = 0;
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if (*start == '/')
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{
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++start;
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callback(xml_end_tag, start);
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}
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else
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{
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callback(xml_start_tag, start);
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}
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*p = '>';
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}
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}
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}
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#endif
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