From 8286ac511144e4f17d34eac9affb97e50646344a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Wed, 23 Jul 2014 15:25:44 +0200 Subject: Imported Upstream version 4.0.0 --- libcutl/cutl/details/boost/regex/src/posix_api.cxx | 296 +++++++++++++++++++++ 1 file changed, 296 insertions(+) create mode 100644 libcutl/cutl/details/boost/regex/src/posix_api.cxx (limited to 'libcutl/cutl/details/boost/regex/src/posix_api.cxx') diff --git a/libcutl/cutl/details/boost/regex/src/posix_api.cxx b/libcutl/cutl/details/boost/regex/src/posix_api.cxx new file mode 100644 index 0000000..02d76bf --- /dev/null +++ b/libcutl/cutl/details/boost/regex/src/posix_api.cxx @@ -0,0 +1,296 @@ +/* + * + * 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: posix_api.cpp + * VERSION: see + * DESCRIPTION: Implements the Posix API wrappers. + */ + +#define BOOST_REGEX_SOURCE + +#include +#include +#include +#include + +#if defined(BOOST_NO_STDC_NAMESPACE) +namespace std{ + using ::sprintf; + using ::strcpy; + using ::strcmp; +} +#endif + + +namespace cutl_details_boost{ + +namespace{ + +unsigned int magic_value = 25631; + +const char* names[] = { + "REG_NOERROR", + "REG_NOMATCH", + "REG_BADPAT", + "REG_ECOLLATE", + "REG_ECTYPE", + "REG_EESCAPE", + "REG_ESUBREG", + "REG_EBRACK", + "REG_EPAREN", + "REG_EBRACE", + "REG_BADBR", + "REG_ERANGE", + "REG_ESPACE", + "REG_BADRPT", + "REG_EEND", + "REG_ESIZE", + "REG_ERPAREN", + "REG_EMPTY", + "REG_ECOMPLEXITY", + "REG_ESTACK", + "REG_E_PERL", + "REG_E_UNKNOWN", +}; +} // namespace + +typedef cutl_details_boost::basic_regex > c_regex_type; + +BOOST_REGEX_DECL int BOOST_REGEX_CCALL regcompA(regex_tA* expression, const char* ptr, int f) +{ + if(expression->re_magic != magic_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) ? regex::extended : regex::basic); + expression->eflags = (f & REG_NEWLINE) ? match_not_dot_newline : match_default; + // and translate those that are actually set: + + if(f & REG_NOCOLLATE) + { + flags |= regex::nocollate; +#ifndef BOOST_REGEX_V3 + flags &= ~regex::collate; +#endif + } + + if(f & REG_NOSUB) + { + //expression->eflags |= match_any; + flags |= regex::nosubs; + } + + if(f & REG_NOSPEC) + flags |= regex::literal; + if(f & REG_ICASE) + flags |= regex::icase; + if(f & REG_ESCAPE_IN_LISTS) + flags &= ~regex::no_escape_in_lists; + if(f & REG_NEWLINE_ALT) + flags |= regex::newline_alt; + + const char* p2; + if(f & REG_PEND) + p2 = expression->re_endp; + else p2 = ptr + std::strlen(ptr); + + int result; + +#ifndef BOOST_NO_EXCEPTIONS + try{ +#endif + expression->re_magic = magic_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) + regfreeA(expression); + return result; + +} + +BOOST_REGEX_DECL regsize_t BOOST_REGEX_CCALL regerrorA(int code, const regex_tA* e, char* buf, regsize_t buf_size) +{ + std::size_t result = 0; + if(code & REG_ITOA) + { + code &= ~REG_ITOA; + if(code <= (int)REG_E_UNKNOWN) + { + result = std::strlen(names[code]) + 1; + if(buf_size >= result) + re_detail::strcpy_s(buf, buf_size, names[code]); + return result; + } + return result; + } + if(code == REG_ATOI) + { + char localbuf[5]; + if(e == 0) + return 0; + for(int i = 0; i <= (int)REG_E_UNKNOWN; ++i) + { + if(std::strcmp(e->re_endp, names[i]) == 0) + { + // + // We're converting an integer i to a string, and since i <= REG_E_UNKNOWN + // a five character string is *always* large enough: + // +#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE) + int r = (::sprintf_s)(localbuf, 5, "%d", i); +#else + int r = (std::sprintf)(localbuf, "%d", i); +#endif + if(r < 0) + return 0; // sprintf failed + if(std::strlen(localbuf) < buf_size) + re_detail::strcpy_s(buf, buf_size, localbuf); + return std::strlen(localbuf) + 1; + } + } +#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE) + (::sprintf_s)(localbuf, 5, "%d", 0); +#else + (std::sprintf)(localbuf, "%d", 0); +#endif + if(std::strlen(localbuf) < buf_size) + re_detail::strcpy_s(buf, buf_size, localbuf); + return std::strlen(localbuf) + 1; + } + if(code <= (int)REG_E_UNKNOWN) + { + std::string p; + if((e) && (e->re_magic == magic_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::strcpy_s(buf, buf_size, p.c_str()); + } + return len + 1; + } + if(buf_size) + *buf = 0; + return 0; +} + +BOOST_REGEX_DECL int BOOST_REGEX_CCALL regexecA(const regex_tA* expression, const char* 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 char* end; + const char* start; + cmatch 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::strlen(buf); + } + +#ifndef BOOST_NO_EXCEPTIONS + try{ +#endif + if(expression->re_magic == magic_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 regfreeA(regex_tA* expression) +{ + if(expression->re_magic == magic_value) + { + delete static_cast(expression->guts); + } + expression->re_magic = 0; +} + +} // namespace cutl_details_boost + + + + -- cgit v1.2.3