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/*
* Copyright (c) 2003-2013, John Wiegley. 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 New Artisans LLC 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.
*/
#include <system.hh>
#include "mask.h"
namespace ledger {
mask_t::mask_t(const string& pat) : expr()
{
*this = pat;
TRACE_CTOR(mask_t, "const string&");
}
mask_t& mask_t::operator=(const string& pat)
{
#if HAVE_BOOST_REGEX_UNICODE
expr = boost::make_u32regex(pat.c_str(), boost::regex::perl | boost::regex::icase);
#else
expr.assign(pat.c_str(), boost::regex::perl | boost::regex::icase);
#endif
VERIFY(valid());
return *this;
}
mask_t& mask_t::assign_glob(const string& pat)
{
string re_pat = "";
string::size_type len = pat.length();
for (string::size_type i = 0; i < len; i++) {
switch (pat[i]) {
case '?':
re_pat += '.';
break;
case '*':
re_pat += ".*";
break;
case '[':
while (i < len && pat[i] != ']')
re_pat += pat[i++];
if (i < len)
re_pat += pat[i];
break;
case '\\':
if (i + 1 < len) {
re_pat += pat[++i];
break;
} else {
// fallthrough...
}
default:
re_pat += pat[i];
break;
}
}
return (*this = re_pat);
}
} // namespace ledger
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