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* Copyright (c) 1998-2002
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Dr John Maddock makes no representations
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* about the suitability of this software for any purpose.
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* It is provided "as is" without express or implied warranty.
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* LOCATION: see http://www.boost.org for most recent version.
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* FILE: wide_posix_api.cpp
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* VERSION: see <boost/version.hpp>
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* DESCRIPTION: Implements the wide character POSIX API wrappers.
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#define BOOST_REGEX_SOURCE
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#include <boost/regex/config.hpp>
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#ifndef BOOST_NO_WREGEX
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#include <boost/regex.hpp>
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unsigned int wmagic_value = 28631;
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const wchar_t* wnames[] = {L"REG_NOERROR", L"REG_NOMATCH", L"REG_BADPAT", L"REG_ECOLLATE",
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L"REG_ECTYPE", L"REG_EESCAPE", L"REG_ESUBREG", L"REG_EBRACK",
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L"REG_EPAREN", L"REG_EBRACE", L"REG_BADBR", L"REG_ERANGE",
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L"REG_ESPACE", L"REG_BADRPT", L"REG_EMPTY", L"REG_E_UNKNOWN"};
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BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompW(regex_tW* expression, const wchar_t* ptr, int f)
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if(expression->re_magic != wmagic_value)
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#ifndef BOOST_NO_EXCEPTIONS
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expression->guts = new wregex();
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#ifndef BOOST_NO_EXCEPTIONS
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if(0 == expression->guts)
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boost::uint_fast32_t flags = (f & REG_EXTENDED) ? regbase::extended : regbase::basic;
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expression->eflags = (f & REG_NEWLINE) ? match_not_dot_newline : 0;
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// and translate those that are actually set:
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flags |= regbase::nocollate;
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expression->eflags |= match_any;
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flags |= regbase::literal;
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flags |= regbase::icase;
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if(f & REG_ESCAPE_IN_LISTS)
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flags |= regbase::escape_in_lists;
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if(f & REG_NEWLINE_ALT)
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flags |= regbase::newline_alt;
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p2 = expression->re_endp;
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else p2 = ptr + std::wcslen(ptr);
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#ifndef BOOST_NO_EXCEPTIONS
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expression->re_magic = wmagic_value;
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static_cast<wregex*>(expression->guts)->set_expression(ptr, p2, flags);
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expression->re_nsub = static_cast<wregex*>(expression->guts)->mark_count() - 1;
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result = static_cast<wregex*>(expression->guts)->error_code();
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#ifndef BOOST_NO_EXCEPTIONS
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result = REG_E_UNKNOWN;
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regfreeW(expression);
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BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorW(int code, const regex_tW* e, wchar_t* buf, regsize_t buf_size)
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std::size_t result = 0;
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if(code <= REG_E_UNKNOWN)
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result = std::wcslen(wnames[code]) + 1;
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if(buf_size >= result)
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std::wcscpy(buf, wnames[code]);
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#if !defined(BOOST_NO_SWPRINTF)
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for(int i = 0; i <= REG_E_UNKNOWN; ++i)
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if(std::wcscmp(e->re_endp, wnames[i]) == 0)
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std::swprintf(localbuf, 5, L"%d", i);
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if(std::wcslen(localbuf) < buf_size)
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std::wcscpy(buf, localbuf);
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return std::wcslen(localbuf) + 1;
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std::swprintf(localbuf, 5, L"%d", 0);
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if(std::wcslen(localbuf) < buf_size)
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std::wcscpy(buf, localbuf);
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return std::wcslen(localbuf) + 1;
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if(code <= REG_E_UNKNOWN)
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regex_traits<wchar_t> rt;
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const regex_traits<wchar_t>* pt = &rt;
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if(e && (e->re_magic == wmagic_value))
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pt = &static_cast<wregex*>(e->guts)->get_traits();
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(void)pt; // warning suppression
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std::string p = pt->error_string(code);
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std::size_t len = pt->strwiden(static_cast<wchar_t*>(0), 0, p.c_str());
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pt->strwiden(buf, buf_size, p.c_str());
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BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecW(const regex_tW* expression, const wchar_t* buf, regsize_t n, regmatch_t* array, int eflags)
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boost::uint_fast32_t flags = match_default | expression->eflags;
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const wchar_t* start;
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if(eflags & REG_NOTBOL)
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flags |= match_not_bol;
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if(eflags & REG_NOTEOL)
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flags |= match_not_eol;
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if(eflags & REG_STARTEND)
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start = buf + array[0].rm_so;
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end = buf + array[0].rm_eo;
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end = buf + std::wcslen(buf);
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#ifndef BOOST_NO_EXCEPTIONS
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if(expression->re_magic == wmagic_value)
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result = regex_search(start, end, m, *static_cast<wregex*>(expression->guts), flags);
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#ifndef BOOST_NO_EXCEPTIONS
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return REG_E_UNKNOWN;
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// extract what matched:
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for(i = 0; (i < n) && (i < expression->re_nsub + 1); ++i)
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array[i].rm_so = (m[i].matched == false) ? -1 : (m[i].first - buf);
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array[i].rm_eo = (m[i].matched == false) ? -1 : (m[i].second - buf);
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// and set anything else to -1:
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for(i = expression->re_nsub + 1; i < n; ++i)
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BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeW(regex_tW* expression)
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if(expression->re_magic == wmagic_value)
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delete static_cast<wregex*>(expression->guts);
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expression->re_magic = 0;
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} // namespace boost;