From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Tue, 28 Jun 2011 17:17:23 +0200 Subject: Add boost subset as an implementation detail --- cutl/details/boost/regex/src/wide_posix_api.cxx | 315 ++++++++++++++++++++++++ 1 file changed, 315 insertions(+) create mode 100644 cutl/details/boost/regex/src/wide_posix_api.cxx (limited to 'cutl/details/boost/regex/src/wide_posix_api.cxx') diff --git a/cutl/details/boost/regex/src/wide_posix_api.cxx b/cutl/details/boost/regex/src/wide_posix_api.cxx new file mode 100644 index 0000000..d132480 --- /dev/null +++ b/cutl/details/boost/regex/src/wide_posix_api.cxx @@ -0,0 +1,315 @@ +/* + * + * 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 + * DESCRIPTION: Implements the wide character POSIX API wrappers. + */ + +#define BOOST_REGEX_SOURCE + +#include + +#ifndef BOOST_NO_WREGEX + +#include +#include + +#include +#include +#include + +#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 cutl_details_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 cutl_details_boost::basic_regex > 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: + cutl_details_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(expression->guts)->set_expression(ptr, p2, flags); + expression->re_nsub = static_cast(expression->guts)->mark_count() - 1; + result = static_cast(expression->guts)->error_code(); +#ifndef BOOST_NO_EXCEPTIONS + } + catch(const cutl_details_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(e->guts)->get_traits().error_string(static_cast< ::cutl_details_boost::regex_constants::error_type>(code)); + else + { + p = re_detail::get_default_error_string(static_cast< ::cutl_details_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(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(expression->guts); + } + expression->re_magic = 0; +} + +} // namespace cutl_details_boost; + +#endif + + + + -- cgit v1.1