mirror of
https://github.com/saitohirga/WSJT-X.git
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661 lines
16 KiB
C++
661 lines
16 KiB
C++
/*
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*
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* Copyright (c) 1998-2002
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* John Maddock
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*
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* Use, modification and distribution are subject to the
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* Boost Software License, Version 1.0. (See accompanying file
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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*/
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/*
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* LOCATION: see http://www.boost.org for most recent version.
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* FILE: cregex.cpp
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* VERSION: see <boost/version.hpp>
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* DESCRIPTION: Implements high level class boost::RexEx
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*/
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#define BOOST_REGEX_SOURCE
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#include <boost/regex.hpp>
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#include <boost/cregex.hpp>
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#if !defined(BOOST_NO_STD_STRING)
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#include <map>
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#include <list>
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#include <boost/regex/v4/fileiter.hpp>
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typedef boost::match_flag_type match_flag_type;
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#include <cstdio>
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#ifdef BOOST_MSVC
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#pragma warning(disable:4309)
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#endif
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#ifdef BOOST_INTEL
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#pragma warning(disable:981 383)
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#endif
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namespace boost{
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#ifdef __BORLANDC__
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#if __BORLANDC__ < 0x530
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//
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// we need to instantiate the vector classes we use
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// since declaring a reference to type doesn't seem to
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// do the job...
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std::vector<std::size_t> inst1;
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std::vector<std::string> inst2;
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#endif
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#endif
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namespace{
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template <class iterator>
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std::string to_string(iterator i, iterator j)
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{
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std::string s;
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while(i != j)
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{
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s.append(1, *i);
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++i;
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}
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return s;
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}
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inline std::string to_string(const char* i, const char* j)
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{
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return std::string(i, j);
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}
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}
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namespace BOOST_REGEX_DETAIL_NS{
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class RegExData
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{
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public:
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enum type
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{
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type_pc,
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type_pf,
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type_copy
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};
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regex e;
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cmatch m;
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#ifndef BOOST_REGEX_NO_FILEITER
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match_results<mapfile::iterator> fm;
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#endif
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type t;
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const char* pbase;
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#ifndef BOOST_REGEX_NO_FILEITER
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mapfile::iterator fbase;
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#endif
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std::map<int, std::string, std::less<int> > strings;
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std::map<int, std::ptrdiff_t, std::less<int> > positions;
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void update();
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void clean();
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RegExData() : e(), m(),
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#ifndef BOOST_REGEX_NO_FILEITER
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fm(),
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#endif
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t(type_copy), pbase(0),
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#ifndef BOOST_REGEX_NO_FILEITER
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fbase(),
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#endif
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strings(), positions() {}
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};
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void RegExData::update()
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{
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strings.erase(strings.begin(), strings.end());
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positions.erase(positions.begin(), positions.end());
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if(t == type_pc)
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{
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for(unsigned int i = 0; i < m.size(); ++i)
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{
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if(m[i].matched) strings[i] = std::string(m[i].first, m[i].second);
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positions[i] = m[i].matched ? m[i].first - pbase : -1;
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}
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}
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#ifndef BOOST_REGEX_NO_FILEITER
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else
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{
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for(unsigned int i = 0; i < fm.size(); ++i)
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{
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if(fm[i].matched) strings[i] = to_string(fm[i].first, fm[i].second);
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positions[i] = fm[i].matched ? fm[i].first - fbase : -1;
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}
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}
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#endif
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t = type_copy;
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}
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void RegExData::clean()
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{
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#ifndef BOOST_REGEX_NO_FILEITER
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fbase = mapfile::iterator();
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fm = match_results<mapfile::iterator>();
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#endif
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}
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} // namespace
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RegEx::RegEx()
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{
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pdata = new BOOST_REGEX_DETAIL_NS::RegExData();
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}
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RegEx::RegEx(const RegEx& o)
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{
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pdata = new BOOST_REGEX_DETAIL_NS::RegExData(*(o.pdata));
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}
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RegEx::~RegEx()
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{
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delete pdata;
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}
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RegEx::RegEx(const char* c, bool icase)
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{
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pdata = new BOOST_REGEX_DETAIL_NS::RegExData();
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SetExpression(c, icase);
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}
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RegEx::RegEx(const std::string& s, bool icase)
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{
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pdata = new BOOST_REGEX_DETAIL_NS::RegExData();
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SetExpression(s.c_str(), icase);
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}
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RegEx& RegEx::operator=(const RegEx& o)
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{
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*pdata = *(o.pdata);
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return *this;
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}
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RegEx& RegEx::operator=(const char* p)
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{
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SetExpression(p, false);
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return *this;
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}
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unsigned int RegEx::SetExpression(const char* p, bool icase)
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{
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boost::uint_fast32_t f = icase ? regex::normal | regex::icase : regex::normal;
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return pdata->e.set_expression(p, f);
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}
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unsigned int RegEx::error_code()const
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{
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return pdata->e.error_code();
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}
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std::string RegEx::Expression()const
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{
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return pdata->e.expression();
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}
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//
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// now matching operators:
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//
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bool RegEx::Match(const char* p, match_flag_type flags)
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{
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pc;
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pdata->pbase = p;
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const char* end = p;
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while(*end)++end;
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if(regex_match(p, end, pdata->m, pdata->e, flags))
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{
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pdata->update();
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return true;
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}
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return false;
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}
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bool RegEx::Search(const char* p, match_flag_type flags)
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{
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pc;
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pdata->pbase = p;
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const char* end = p;
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while(*end)++end;
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if(regex_search(p, end, pdata->m, pdata->e, flags))
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{
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pdata->update();
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return true;
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}
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return false;
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}
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namespace BOOST_REGEX_DETAIL_NS{
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struct pred1
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{
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GrepCallback cb;
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RegEx* pe;
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pred1(GrepCallback c, RegEx* i) : cb(c), pe(i) {}
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bool operator()(const cmatch& m)
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{
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pe->pdata->m = m;
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return cb(*pe);
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}
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};
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}
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unsigned int RegEx::Grep(GrepCallback cb, const char* p, match_flag_type flags)
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{
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pc;
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pdata->pbase = p;
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const char* end = p;
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while(*end)++end;
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unsigned int result = regex_grep(BOOST_REGEX_DETAIL_NS::pred1(cb, this), p, end, pdata->e, flags);
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if(result)
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pdata->update();
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return result;
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}
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namespace BOOST_REGEX_DETAIL_NS{
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struct pred2
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{
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std::vector<std::string>& v;
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RegEx* pe;
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pred2(std::vector<std::string>& o, RegEx* e) : v(o), pe(e) {}
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bool operator()(const cmatch& m)
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{
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pe->pdata->m = m;
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v.push_back(std::string(m[0].first, m[0].second));
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return true;
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}
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private:
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pred2& operator=(const pred2&);
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};
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}
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unsigned int RegEx::Grep(std::vector<std::string>& v, const char* p, match_flag_type flags)
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{
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pc;
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pdata->pbase = p;
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const char* end = p;
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while(*end)++end;
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unsigned int result = regex_grep(BOOST_REGEX_DETAIL_NS::pred2(v, this), p, end, pdata->e, flags);
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if(result)
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pdata->update();
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return result;
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}
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namespace BOOST_REGEX_DETAIL_NS{
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struct pred3
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{
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std::vector<std::size_t>& v;
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const char* base;
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RegEx* pe;
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pred3(std::vector<std::size_t>& o, const char* pb, RegEx* p) : v(o), base(pb), pe(p) {}
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bool operator()(const cmatch& m)
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{
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pe->pdata->m = m;
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v.push_back(static_cast<std::size_t>(m[0].first - base));
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return true;
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}
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private:
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pred3& operator=(const pred3&);
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};
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}
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unsigned int RegEx::Grep(std::vector<std::size_t>& v, const char* p, match_flag_type flags)
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{
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pc;
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pdata->pbase = p;
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const char* end = p;
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while(*end)++end;
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unsigned int result = regex_grep(BOOST_REGEX_DETAIL_NS::pred3(v, p, this), p, end, pdata->e, flags);
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if(result)
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pdata->update();
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return result;
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}
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#ifndef BOOST_REGEX_NO_FILEITER
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namespace BOOST_REGEX_DETAIL_NS{
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struct pred4
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{
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GrepFileCallback cb;
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RegEx* pe;
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const char* file;
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bool ok;
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pred4(GrepFileCallback c, RegEx* i, const char* f) : cb(c), pe(i), file(f), ok(true) {}
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bool operator()(const match_results<mapfile::iterator>& m)
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{
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pe->pdata->t = RegExData::type_pf;
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pe->pdata->fm = m;
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pe->pdata->update();
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ok = cb(file, *pe);
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return ok;
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}
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};
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}
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namespace{
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void BuildFileList(std::list<std::string>* pl, const char* files, bool recurse)
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{
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file_iterator start(files);
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file_iterator end;
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if(recurse)
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{
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// go through sub directories:
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char buf[MAX_PATH];
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BOOST_REGEX_DETAIL_NS::overflow_error_if_not_zero(BOOST_REGEX_DETAIL_NS::strcpy_s(buf, MAX_PATH, start.root()));
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if(*buf == 0)
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{
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BOOST_REGEX_DETAIL_NS::overflow_error_if_not_zero(BOOST_REGEX_DETAIL_NS::strcpy_s(buf, MAX_PATH, "."));
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BOOST_REGEX_DETAIL_NS::overflow_error_if_not_zero(BOOST_REGEX_DETAIL_NS::strcat_s(buf, MAX_PATH, directory_iterator::separator()));
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BOOST_REGEX_DETAIL_NS::overflow_error_if_not_zero(BOOST_REGEX_DETAIL_NS::strcat_s(buf, MAX_PATH, "*"));
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}
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else
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{
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BOOST_REGEX_DETAIL_NS::overflow_error_if_not_zero(BOOST_REGEX_DETAIL_NS::strcat_s(buf, MAX_PATH, directory_iterator::separator()));
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BOOST_REGEX_DETAIL_NS::overflow_error_if_not_zero(BOOST_REGEX_DETAIL_NS::strcat_s(buf, MAX_PATH, "*"));
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}
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directory_iterator dstart(buf);
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directory_iterator dend;
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// now get the file mask bit of "files":
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const char* ptr = files;
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while(*ptr) ++ptr;
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while((ptr != files) && (*ptr != *directory_iterator::separator()) && (*ptr != '/'))--ptr;
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if(ptr != files) ++ptr;
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while(dstart != dend)
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{
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// Verify that sprintf will not overflow:
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if(std::strlen(dstart.path()) + std::strlen(directory_iterator::separator()) + std::strlen(ptr) >= MAX_PATH)
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{
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// Oops overflow, skip this item:
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++dstart;
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continue;
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}
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#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE)
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int r = (::sprintf_s)(buf, sizeof(buf), "%s%s%s", dstart.path(), directory_iterator::separator(), ptr);
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#else
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int r = (std::sprintf)(buf, "%s%s%s", dstart.path(), directory_iterator::separator(), ptr);
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#endif
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if(r < 0)
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{
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// sprintf failed, skip this item:
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++dstart;
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continue;
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}
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BuildFileList(pl, buf, recurse);
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++dstart;
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}
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}
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while(start != end)
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{
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pl->push_back(*start);
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++start;
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}
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}
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}
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unsigned int RegEx::GrepFiles(GrepFileCallback cb, const char* files, bool recurse, match_flag_type flags)
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{
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unsigned int result = 0;
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std::list<std::string> file_list;
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BuildFileList(&file_list, files, recurse);
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std::list<std::string>::iterator start, end;
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start = file_list.begin();
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end = file_list.end();
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while(start != end)
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{
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mapfile map((*start).c_str());
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pf;
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pdata->fbase = map.begin();
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BOOST_REGEX_DETAIL_NS::pred4 pred(cb, this, (*start).c_str());
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int r = regex_grep(pred, map.begin(), map.end(), pdata->e, flags);
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result += r;
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++start;
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pdata->clean();
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if(pred.ok == false)
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return result;
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}
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return result;
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}
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unsigned int RegEx::FindFiles(FindFilesCallback cb, const char* files, bool recurse, match_flag_type flags)
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{
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unsigned int result = 0;
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std::list<std::string> file_list;
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BuildFileList(&file_list, files, recurse);
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std::list<std::string>::iterator start, end;
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start = file_list.begin();
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end = file_list.end();
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while(start != end)
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{
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mapfile map((*start).c_str());
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pdata->t = BOOST_REGEX_DETAIL_NS::RegExData::type_pf;
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pdata->fbase = map.begin();
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if(regex_search(map.begin(), map.end(), pdata->fm, pdata->e, flags))
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{
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++result;
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if(false == cb((*start).c_str()))
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return result;
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}
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//pdata->update();
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++start;
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//pdata->clean();
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}
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return result;
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}
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#endif
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#ifdef BOOST_REGEX_V3
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#define regex_replace regex_merge
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#endif
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std::string RegEx::Merge(const std::string& in, const std::string& fmt,
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bool copy, match_flag_type flags)
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{
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std::string result;
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BOOST_REGEX_DETAIL_NS::string_out_iterator<std::string> i(result);
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if(!copy) flags |= format_no_copy;
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regex_replace(i, in.begin(), in.end(), pdata->e, fmt.c_str(), flags);
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return result;
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}
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std::string RegEx::Merge(const char* in, const char* fmt,
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bool copy, match_flag_type flags)
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{
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std::string result;
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if(!copy) flags |= format_no_copy;
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BOOST_REGEX_DETAIL_NS::string_out_iterator<std::string> i(result);
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regex_replace(i, in, in + std::strlen(in), pdata->e, fmt, flags);
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return result;
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}
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std::size_t RegEx::Split(std::vector<std::string>& v,
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std::string& s,
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match_flag_type flags,
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unsigned max_count)
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{
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return regex_split(std::back_inserter(v), s, pdata->e, flags, max_count);
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}
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//
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// now operators for returning what matched in more detail:
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//
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std::size_t RegEx::Position(int i)const
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{
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switch(pdata->t)
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{
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case BOOST_REGEX_DETAIL_NS::RegExData::type_pc:
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return pdata->m[i].matched ? pdata->m[i].first - pdata->pbase : RegEx::npos;
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#ifndef BOOST_REGEX_NO_FILEITER
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case BOOST_REGEX_DETAIL_NS::RegExData::type_pf:
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return pdata->fm[i].matched ? pdata->fm[i].first - pdata->fbase : RegEx::npos;
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#endif
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case BOOST_REGEX_DETAIL_NS::RegExData::type_copy:
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{
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std::map<int, std::ptrdiff_t, std::less<int> >::iterator pos = pdata->positions.find(i);
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if(pos == pdata->positions.end())
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return RegEx::npos;
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return (*pos).second;
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}
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}
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return RegEx::npos;
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}
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std::size_t RegEx::Marks()const
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{
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return pdata->e.mark_count();
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}
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std::size_t RegEx::Length(int i)const
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{
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switch(pdata->t)
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{
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case BOOST_REGEX_DETAIL_NS::RegExData::type_pc:
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return pdata->m[i].matched ? pdata->m[i].second - pdata->m[i].first : RegEx::npos;
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#ifndef BOOST_REGEX_NO_FILEITER
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case BOOST_REGEX_DETAIL_NS::RegExData::type_pf:
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return pdata->fm[i].matched ? pdata->fm[i].second - pdata->fm[i].first : RegEx::npos;
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#endif
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case BOOST_REGEX_DETAIL_NS::RegExData::type_copy:
|
|
{
|
|
std::map<int, std::string, std::less<int> >::iterator pos = pdata->strings.find(i);
|
|
if(pos == pdata->strings.end())
|
|
return RegEx::npos;
|
|
return (*pos).second.size();
|
|
}
|
|
}
|
|
return RegEx::npos;
|
|
}
|
|
|
|
bool RegEx::Matched(int i)const
|
|
{
|
|
switch(pdata->t)
|
|
{
|
|
case BOOST_REGEX_DETAIL_NS::RegExData::type_pc:
|
|
return pdata->m[i].matched;
|
|
#ifndef BOOST_REGEX_NO_FILEITER
|
|
case BOOST_REGEX_DETAIL_NS::RegExData::type_pf:
|
|
return pdata->fm[i].matched;
|
|
#endif
|
|
case BOOST_REGEX_DETAIL_NS::RegExData::type_copy:
|
|
{
|
|
std::map<int, std::string, std::less<int> >::iterator pos = pdata->strings.find(i);
|
|
if(pos == pdata->strings.end())
|
|
return false;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
std::string RegEx::What(int i)const
|
|
{
|
|
std::string result;
|
|
switch(pdata->t)
|
|
{
|
|
case BOOST_REGEX_DETAIL_NS::RegExData::type_pc:
|
|
if(pdata->m[i].matched)
|
|
result.assign(pdata->m[i].first, pdata->m[i].second);
|
|
break;
|
|
case BOOST_REGEX_DETAIL_NS::RegExData::type_pf:
|
|
if(pdata->m[i].matched)
|
|
result.assign(to_string(pdata->m[i].first, pdata->m[i].second));
|
|
break;
|
|
case BOOST_REGEX_DETAIL_NS::RegExData::type_copy:
|
|
{
|
|
std::map<int, std::string, std::less<int> >::iterator pos = pdata->strings.find(i);
|
|
if(pos != pdata->strings.end())
|
|
result = (*pos).second;
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
const std::size_t RegEx::npos = ~static_cast<std::size_t>(0);
|
|
|
|
} // namespace boost
|
|
|
|
#if defined(__BORLANDC__) && (__BORLANDC__ >= 0x550) && (__BORLANDC__ <= 0x551) && !defined(_RWSTD_COMPILE_INSTANTIATE)
|
|
//
|
|
// this is an ugly hack to work around an ugly problem:
|
|
// by default this file will produce unresolved externals during
|
|
// linking unless _RWSTD_COMPILE_INSTANTIATE is defined (Borland bug).
|
|
// However if _RWSTD_COMPILE_INSTANTIATE is defined then we get separate
|
|
// copies of basic_string's static data in the RTL and this DLL, this messes
|
|
// with basic_string's memory management and results in run-time crashes,
|
|
// Oh sweet joy of Catch 22....
|
|
//
|
|
namespace std{
|
|
template<> template<>
|
|
basic_string<char>& BOOST_REGEX_DECL
|
|
basic_string<char>::replace<const char*>(char* f1, char* f2, const char* i1, const char* i2)
|
|
{
|
|
unsigned insert_pos = f1 - begin();
|
|
unsigned remove_len = f2 - f1;
|
|
unsigned insert_len = i2 - i1;
|
|
unsigned org_size = size();
|
|
if(insert_len > remove_len)
|
|
{
|
|
append(insert_len-remove_len, ' ');
|
|
std::copy_backward(begin() + insert_pos + remove_len, begin() + org_size, end());
|
|
std::copy(i1, i2, begin() + insert_pos);
|
|
}
|
|
else
|
|
{
|
|
std::copy(begin() + insert_pos + remove_len, begin() + org_size, begin() + insert_pos + insert_len);
|
|
std::copy(i1, i2, begin() + insert_pos);
|
|
erase(size() + insert_len - remove_len);
|
|
}
|
|
return *this;
|
|
}
|
|
template<> template<>
|
|
basic_string<wchar_t>& BOOST_REGEX_DECL
|
|
basic_string<wchar_t>::replace<const wchar_t*>(wchar_t* f1, wchar_t* f2, const wchar_t* i1, const wchar_t* i2)
|
|
{
|
|
unsigned insert_pos = f1 - begin();
|
|
unsigned remove_len = f2 - f1;
|
|
unsigned insert_len = i2 - i1;
|
|
unsigned org_size = size();
|
|
if(insert_len > remove_len)
|
|
{
|
|
append(insert_len-remove_len, ' ');
|
|
std::copy_backward(begin() + insert_pos + remove_len, begin() + org_size, end());
|
|
std::copy(i1, i2, begin() + insert_pos);
|
|
}
|
|
else
|
|
{
|
|
std::copy(begin() + insert_pos + remove_len, begin() + org_size, begin() + insert_pos + insert_len);
|
|
std::copy(i1, i2, begin() + insert_pos);
|
|
erase(size() + insert_len - remove_len);
|
|
}
|
|
return *this;
|
|
}
|
|
} // namespace std
|
|
#endif
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|