| /* |
| * |
| * Copyright (c) 1998-2002 |
| * John Maddock |
| * |
| * Use, modification and distribution are subject to the |
| * Boost Software License, Version 1.0. (See accompanying file |
| * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| * |
| */ |
| |
| /* |
| * LOCATION: see http://www.boost.org for most recent version. |
| * FILE: wide_posix_api.cpp |
| * VERSION: see <boost/version.hpp> |
| * DESCRIPTION: Implements the wide character POSIX API wrappers. |
| */ |
| |
| #define BOOST_REGEX_SOURCE |
| |
| #include <boost/regex/config.hpp> |
| |
| #ifndef BOOST_NO_WREGEX |
| |
| #include <boost/regex.hpp> |
| #include <boost/cregex.hpp> |
| |
| #include <cwchar> |
| #include <cstring> |
| #include <cstdio> |
| |
| #ifdef BOOST_INTEL |
| #pragma warning(disable:981) |
| #endif |
| |
| #if defined(BOOST_NO_STDC_NAMESPACE) || defined(__NetBSD__) |
| namespace std{ |
| # ifndef BOOST_NO_SWPRINTF |
| using ::swprintf; |
| # endif |
| } |
| #endif |
| |
| |
| namespace boost{ |
| |
| namespace { |
| |
| unsigned int wmagic_value = 28631; |
| |
| const wchar_t* wnames[] = { |
| L"REG_NOERROR", |
| L"REG_NOMATCH", |
| L"REG_BADPAT", |
| L"REG_ECOLLATE", |
| L"REG_ECTYPE", |
| L"REG_EESCAPE", |
| L"REG_ESUBREG", |
| L"REG_EBRACK", |
| L"REG_EPAREN", |
| L"REG_EBRACE", |
| L"REG_BADBR", |
| L"REG_ERANGE", |
| L"REG_ESPACE", |
| L"REG_BADRPT", |
| L"REG_EEND", |
| L"REG_ESIZE", |
| L"REG_ERPAREN", |
| L"REG_EMPTY", |
| L"REG_ECOMPLEXITY", |
| L"REG_ESTACK", |
| L"REG_E_PERL", |
| L"REG_E_UNKNOWN", |
| }; |
| } |
| |
| typedef boost::basic_regex<wchar_t, c_regex_traits<wchar_t> > c_regex_type; |
| |
| BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompW(regex_tW* expression, const wchar_t* ptr, int f) |
| { |
| if(expression->re_magic != wmagic_value) |
| { |
| expression->guts = 0; |
| #ifndef BOOST_NO_EXCEPTIONS |
| try{ |
| #endif |
| expression->guts = new c_regex_type(); |
| #ifndef BOOST_NO_EXCEPTIONS |
| } catch(...) |
| { |
| return REG_ESPACE; |
| } |
| #else |
| if(0 == expression->guts) |
| return REG_E_MEMORY; |
| #endif |
| } |
| // set default flags: |
| boost::uint_fast32_t flags = (f & REG_PERLEX) ? 0 : ((f & REG_EXTENDED) ? wregex::extended : wregex::basic); |
| expression->eflags = (f & REG_NEWLINE) ? match_not_dot_newline : match_default; |
| |
| // and translate those that are actually set: |
| if(f & REG_NOCOLLATE) |
| { |
| flags |= wregex::nocollate; |
| #ifndef BOOST_REGEX_V3 |
| flags &= ~wregex::collate; |
| #endif |
| } |
| |
| if(f & REG_NOSUB) |
| { |
| //expression->eflags |= match_any; |
| flags |= wregex::nosubs; |
| } |
| |
| if(f & REG_NOSPEC) |
| flags |= wregex::literal; |
| if(f & REG_ICASE) |
| flags |= wregex::icase; |
| if(f & REG_ESCAPE_IN_LISTS) |
| flags &= ~wregex::no_escape_in_lists; |
| if(f & REG_NEWLINE_ALT) |
| flags |= wregex::newline_alt; |
| |
| const wchar_t* p2; |
| if(f & REG_PEND) |
| p2 = expression->re_endp; |
| else p2 = ptr + std::wcslen(ptr); |
| |
| int result; |
| |
| #ifndef BOOST_NO_EXCEPTIONS |
| try{ |
| #endif |
| expression->re_magic = wmagic_value; |
| static_cast<c_regex_type*>(expression->guts)->set_expression(ptr, p2, flags); |
| expression->re_nsub = static_cast<c_regex_type*>(expression->guts)->mark_count() - 1; |
| result = static_cast<c_regex_type*>(expression->guts)->error_code(); |
| #ifndef BOOST_NO_EXCEPTIONS |
| } |
| catch(const boost::regex_error& be) |
| { |
| result = be.code(); |
| } |
| catch(...) |
| { |
| result = REG_E_UNKNOWN; |
| } |
| #endif |
| if(result) |
| regfreeW(expression); |
| return result; |
| |
| } |
| |
| BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorW(int code, const regex_tW* e, wchar_t* buf, regsize_t buf_size) |
| { |
| std::size_t result = 0; |
| if(code & REG_ITOA) |
| { |
| code &= ~REG_ITOA; |
| if((code <= (int)REG_E_UNKNOWN) && (code >= 0)) |
| { |
| result = std::wcslen(wnames[code]) + 1; |
| if(buf_size >= result) |
| #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE) |
| ::wcscpy_s(buf, buf_size, wnames[code]); |
| #else |
| std::wcscpy(buf, wnames[code]); |
| #endif |
| return result; |
| } |
| return result; |
| } |
| #if !defined(BOOST_NO_SWPRINTF) |
| if(code == REG_ATOI) |
| { |
| wchar_t localbuf[5]; |
| if(e == 0) |
| return 0; |
| for(int i = 0; i <= (int)REG_E_UNKNOWN; ++i) |
| { |
| if(std::wcscmp(e->re_endp, wnames[i]) == 0) |
| { |
| #if defined(_WIN32_WCE) && !defined(UNDER_CE) |
| (std::swprintf)(localbuf, L"%d", i); |
| #else |
| (std::swprintf)(localbuf, 5, L"%d", i); |
| #endif |
| if(std::wcslen(localbuf) < buf_size) |
| #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE) |
| ::wcscpy_s(buf, buf_size, localbuf); |
| #else |
| std::wcscpy(buf, localbuf); |
| #endif |
| return std::wcslen(localbuf) + 1; |
| } |
| } |
| #if defined(_WIN32_WCE) && !defined(UNDER_CE) |
| (std::swprintf)(localbuf, L"%d", 0); |
| #else |
| (std::swprintf)(localbuf, 5, L"%d", 0); |
| #endif |
| if(std::wcslen(localbuf) < buf_size) |
| #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE) |
| ::wcscpy_s(buf, buf_size, localbuf); |
| #else |
| std::wcscpy(buf, localbuf); |
| #endif |
| return std::wcslen(localbuf) + 1; |
| } |
| #endif |
| if(code <= (int)REG_E_UNKNOWN) |
| { |
| std::string p; |
| if((e) && (e->re_magic == wmagic_value)) |
| p = static_cast<c_regex_type*>(e->guts)->get_traits().error_string(static_cast< ::boost::regex_constants::error_type>(code)); |
| else |
| { |
| p = re_detail::get_default_error_string(static_cast< ::boost::regex_constants::error_type>(code)); |
| } |
| std::size_t len = p.size(); |
| if(len < buf_size) |
| { |
| re_detail::copy(p.c_str(), p.c_str() + p.size() + 1, buf); |
| } |
| return len + 1; |
| } |
| if(buf_size) |
| *buf = 0; |
| return 0; |
| } |
| |
| BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecW(const regex_tW* expression, const wchar_t* buf, regsize_t n, regmatch_t* array, int eflags) |
| { |
| #ifdef BOOST_MSVC |
| #pragma warning(push) |
| #pragma warning(disable:4267) |
| #endif |
| bool result = false; |
| match_flag_type flags = match_default | expression->eflags; |
| const wchar_t* end; |
| const wchar_t* start; |
| wcmatch m; |
| |
| if(eflags & REG_NOTBOL) |
| flags |= match_not_bol; |
| if(eflags & REG_NOTEOL) |
| flags |= match_not_eol; |
| if(eflags & REG_STARTEND) |
| { |
| start = buf + array[0].rm_so; |
| end = buf + array[0].rm_eo; |
| } |
| else |
| { |
| start = buf; |
| end = buf + std::wcslen(buf); |
| } |
| |
| #ifndef BOOST_NO_EXCEPTIONS |
| try{ |
| #endif |
| if(expression->re_magic == wmagic_value) |
| { |
| result = regex_search(start, end, m, *static_cast<c_regex_type*>(expression->guts), flags); |
| } |
| else |
| return result; |
| #ifndef BOOST_NO_EXCEPTIONS |
| } catch(...) |
| { |
| return REG_E_UNKNOWN; |
| } |
| #endif |
| if(result) |
| { |
| // extract what matched: |
| std::size_t i; |
| for(i = 0; (i < n) && (i < expression->re_nsub + 1); ++i) |
| { |
| array[i].rm_so = (m[i].matched == false) ? -1 : (m[i].first - buf); |
| array[i].rm_eo = (m[i].matched == false) ? -1 : (m[i].second - buf); |
| } |
| // and set anything else to -1: |
| for(i = expression->re_nsub + 1; i < n; ++i) |
| { |
| array[i].rm_so = -1; |
| array[i].rm_eo = -1; |
| } |
| return 0; |
| } |
| return REG_NOMATCH; |
| #ifdef BOOST_MSVC |
| #pragma warning(pop) |
| #endif |
| } |
| |
| BOOST_REGEX_DECL void BOOST_REGEX_CCALL regfreeW(regex_tW* expression) |
| { |
| if(expression->re_magic == wmagic_value) |
| { |
| delete static_cast<c_regex_type*>(expression->guts); |
| } |
| expression->re_magic = 0; |
| } |
| |
| } // namespace boost; |
| |
| #endif |
| |
| |
| |
| |