89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* Copyright (c) 2003-2010, John Wiegley. All rights reserved.
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*
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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 are
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* met:
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*
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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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*
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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 the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <system.hh>
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#include "mask.h"
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namespace ledger {
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mask_t::mask_t(const string& pat) : expr()
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{
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TRACE_CTOR(mask_t, "const string&");
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*this = pat;
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}
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mask_t& mask_t::operator=(const string& pat)
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{
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#if defined(HAVE_BOOST_REGEX_UNICODE)
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expr = boost::make_u32regex(pat.c_str(), boost::regex::perl | boost::regex::icase);
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#else
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expr.assign(pat.c_str(), boost::regex::perl | boost::regex::icase);
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#endif
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VERIFY(valid());
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return *this;
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}
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mask_t& mask_t::assign_glob(const string& pat)
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{
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string re_pat = "";
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string::size_type len = pat.length();
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for (string::size_type i = 0; i < len; i++) {
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switch (pat[i]) {
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case '?':
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re_pat += '.';
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break;
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case '*':
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re_pat += ".*";
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break;
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case '[':
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while (i < len && pat[i] != ']')
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re_pat += pat[i++];
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if (i < len)
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re_pat += pat[i];
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break;
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case '\\':
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if (i + 1 < len) {
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re_pat += pat[++i];
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break;
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} else {
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// fallthrough...
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}
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default:
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re_pat += pat[i];
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break;
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}
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}
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return (*this = re_pat);
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}
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} // namespace ledger
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