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authorRemko Tronçon <git@el-tramo.be>2009-06-03 21:52:05 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-09 18:18:53 (GMT)
commitfd89da91d12b270d56f60544cad6f1ddc809af28 (patch)
tree77bebb89221cc8023b22efaa0b707cdcd0759b3b /3rdParty/Boost/libs/regex/src/cregex.cpp
parent3de4268ade36c9292a88b1da7604748a87c65777 (diff)
downloadswift-contrib-fd89da91d12b270d56f60544cad6f1ddc809af28.zip
swift-contrib-fd89da91d12b270d56f60544cad6f1ddc809af28.tar.bz2
Added Boost.regex.
Diffstat (limited to '3rdParty/Boost/libs/regex/src/cregex.cpp')
-rw-r--r--3rdParty/Boost/libs/regex/src/cregex.cpp648
1 files changed, 648 insertions, 0 deletions
diff --git a/3rdParty/Boost/libs/regex/src/cregex.cpp b/3rdParty/Boost/libs/regex/src/cregex.cpp
new file mode 100644
index 0000000..fb12373
--- /dev/null
+++ b/3rdParty/Boost/libs/regex/src/cregex.cpp
@@ -0,0 +1,648 @@
+/*
+ *
+ * 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: cregex.cpp
+ * VERSION: see <boost/version.hpp>
+ * DESCRIPTION: Implements high level class boost::RexEx
+ */
+
+
+#define BOOST_REGEX_SOURCE
+
+#include <boost/regex.hpp>
+#include <boost/cregex.hpp>
+#if !defined(BOOST_NO_STD_STRING)
+#include <map>
+#include <list>
+#include <boost/regex/v4/fileiter.hpp>
+typedef boost::match_flag_type match_flag_type;
+#include <cstdio>
+
+#ifdef BOOST_MSVC
+#pragma warning(disable:4309)
+#endif
+
+namespace boost{
+
+#ifdef __BORLANDC__
+#if __BORLANDC__ < 0x530
+//
+// we need to instantiate the vector classes we use
+// since declaring a reference to type doesn't seem to
+// do the job...
+std::vector<std::size_t> inst1;
+std::vector<std::string> inst2;
+#endif
+#endif
+
+namespace{
+
+template <class iterator>
+std::string to_string(iterator i, iterator j)
+{
+ std::string s;
+ while(i != j)
+ {
+ s.append(1, *i);
+ ++i;
+ }
+ return s;
+}
+
+inline std::string to_string(const char* i, const char* j)
+{
+ return std::string(i, j);
+}
+
+}
+namespace re_detail{
+
+class RegExData
+{
+public:
+ enum type
+ {
+ type_pc,
+ type_pf,
+ type_copy
+ };
+ regex e;
+ cmatch m;
+#ifndef BOOST_REGEX_NO_FILEITER
+ match_results<mapfile::iterator> fm;
+#endif
+ type t;
+ const char* pbase;
+#ifndef BOOST_REGEX_NO_FILEITER
+ mapfile::iterator fbase;
+#endif
+ std::map<int, std::string, std::less<int> > strings;
+ std::map<int, std::ptrdiff_t, std::less<int> > positions;
+ void update();
+ void clean();
+ RegExData() : e(), m(),
+#ifndef BOOST_REGEX_NO_FILEITER
+ fm(),
+#endif
+ t(type_copy), pbase(0),
+#ifndef BOOST_REGEX_NO_FILEITER
+ fbase(),
+#endif
+ strings(), positions() {}
+};
+
+void RegExData::update()
+{
+ strings.erase(strings.begin(), strings.end());
+ positions.erase(positions.begin(), positions.end());
+ if(t == type_pc)
+ {
+ for(unsigned int i = 0; i < m.size(); ++i)
+ {
+ if(m[i].matched) strings[i] = std::string(m[i].first, m[i].second);
+ positions[i] = m[i].matched ? m[i].first - pbase : -1;
+ }
+ }
+#ifndef BOOST_REGEX_NO_FILEITER
+ else
+ {
+ for(unsigned int i = 0; i < fm.size(); ++i)
+ {
+ if(fm[i].matched) strings[i] = to_string(fm[i].first, fm[i].second);
+ positions[i] = fm[i].matched ? fm[i].first - fbase : -1;
+ }
+ }
+#endif
+ t = type_copy;
+}
+
+void RegExData::clean()
+{
+#ifndef BOOST_REGEX_NO_FILEITER
+ fbase = mapfile::iterator();
+ fm = match_results<mapfile::iterator>();
+#endif
+}
+
+} // namespace
+
+RegEx::RegEx()
+{
+ pdata = new re_detail::RegExData();
+}
+
+RegEx::RegEx(const RegEx& o)
+{
+ pdata = new re_detail::RegExData(*(o.pdata));
+}
+
+RegEx::~RegEx()
+{
+ delete pdata;
+}
+
+RegEx::RegEx(const char* c, bool icase)
+{
+ pdata = new re_detail::RegExData();
+ SetExpression(c, icase);
+}
+
+RegEx::RegEx(const std::string& s, bool icase)
+{
+ pdata = new re_detail::RegExData();
+ SetExpression(s.c_str(), icase);
+}
+
+RegEx& RegEx::operator=(const RegEx& o)
+{
+ *pdata = *(o.pdata);
+ return *this;
+}
+
+RegEx& RegEx::operator=(const char* p)
+{
+ SetExpression(p, false);
+ return *this;
+}
+
+unsigned int RegEx::SetExpression(const char* p, bool icase)
+{
+ boost::uint_fast32_t f = icase ? regex::normal | regex::icase : regex::normal;
+ return pdata->e.set_expression(p, f);
+}
+
+unsigned int RegEx::error_code()const
+{
+ return pdata->e.error_code();
+}
+
+
+std::string RegEx::Expression()const
+{
+ return pdata->e.expression();
+}
+
+//
+// now matching operators:
+//
+bool RegEx::Match(const char* p, match_flag_type flags)
+{
+ pdata->t = re_detail::RegExData::type_pc;
+ pdata->pbase = p;
+ const char* end = p;
+ while(*end)++end;
+
+ if(regex_match(p, end, pdata->m, pdata->e, flags))
+ {
+ pdata->update();
+ return true;
+ }
+ return false;
+}
+
+bool RegEx::Search(const char* p, match_flag_type flags)
+{
+ pdata->t = re_detail::RegExData::type_pc;
+ pdata->pbase = p;
+ const char* end = p;
+ while(*end)++end;
+
+ if(regex_search(p, end, pdata->m, pdata->e, flags))
+ {
+ pdata->update();
+ return true;
+ }
+ return false;
+}
+namespace re_detail{
+struct pred1
+{
+ GrepCallback cb;
+ RegEx* pe;
+ pred1(GrepCallback c, RegEx* i) : cb(c), pe(i) {}
+ bool operator()(const cmatch& m)
+ {
+ pe->pdata->m = m;
+ return cb(*pe);
+ }
+};
+}
+unsigned int RegEx::Grep(GrepCallback cb, const char* p, match_flag_type flags)
+{
+ pdata->t = re_detail::RegExData::type_pc;
+ pdata->pbase = p;
+ const char* end = p;
+ while(*end)++end;
+
+ unsigned int result = regex_grep(re_detail::pred1(cb, this), p, end, pdata->e, flags);
+ if(result)
+ pdata->update();
+ return result;
+}
+namespace re_detail{
+struct pred2
+{
+ std::vector<std::string>& v;
+ RegEx* pe;
+ pred2(std::vector<std::string>& o, RegEx* e) : v(o), pe(e) {}
+ bool operator()(const cmatch& m)
+ {
+ pe->pdata->m = m;
+ v.push_back(std::string(m[0].first, m[0].second));
+ return true;
+ }
+private:
+ pred2& operator=(const pred2&);
+};
+}
+
+unsigned int RegEx::Grep(std::vector<std::string>& v, const char* p, match_flag_type flags)
+{
+ pdata->t = re_detail::RegExData::type_pc;
+ pdata->pbase = p;
+ const char* end = p;
+ while(*end)++end;
+
+ unsigned int result = regex_grep(re_detail::pred2(v, this), p, end, pdata->e, flags);
+ if(result)
+ pdata->update();
+ return result;
+}
+namespace re_detail{
+struct pred3
+{
+ std::vector<std::size_t>& v;
+ const char* base;
+ RegEx* pe;
+ pred3(std::vector<std::size_t>& o, const char* pb, RegEx* p) : v(o), base(pb), pe(p) {}
+ bool operator()(const cmatch& m)
+ {
+ pe->pdata->m = m;
+ v.push_back(static_cast<std::size_t>(m[0].first - base));
+ return true;
+ }
+private:
+ pred3& operator=(const pred3&);
+};
+}
+unsigned int RegEx::Grep(std::vector<std::size_t>& v, const char* p, match_flag_type flags)
+{
+ pdata->t = re_detail::RegExData::type_pc;
+ pdata->pbase = p;
+ const char* end = p;
+ while(*end)++end;
+
+ unsigned int result = regex_grep(re_detail::pred3(v, p, this), p, end, pdata->e, flags);
+ if(result)
+ pdata->update();
+ return result;
+}
+#ifndef BOOST_REGEX_NO_FILEITER
+namespace re_detail{
+struct pred4
+{
+ GrepFileCallback cb;
+ RegEx* pe;
+ const char* file;
+ bool ok;
+ pred4(GrepFileCallback c, RegEx* i, const char* f) : cb(c), pe(i), file(f), ok(true) {}
+ bool operator()(const match_results<mapfile::iterator>& m)
+ {
+ pe->pdata->t = RegExData::type_pf;
+ pe->pdata->fm = m;
+ pe->pdata->update();
+ ok = cb(file, *pe);
+ return ok;
+ }
+};
+}
+namespace{
+void BuildFileList(std::list<std::string>* pl, const char* files, bool recurse)
+{
+ file_iterator start(files);
+ file_iterator end;
+ if(recurse)
+ {
+ // go through sub directories:
+ char buf[MAX_PATH];
+ re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(buf, MAX_PATH, start.root()));
+ if(*buf == 0)
+ {
+ re_detail::overflow_error_if_not_zero(re_detail::strcpy_s(buf, MAX_PATH, "."));
+ re_detail::overflow_error_if_not_zero(re_detail::strcat_s(buf, MAX_PATH, directory_iterator::separator()));
+ re_detail::overflow_error_if_not_zero(re_detail::strcat_s(buf, MAX_PATH, "*"));
+ }
+ else
+ {
+ re_detail::overflow_error_if_not_zero(re_detail::strcat_s(buf, MAX_PATH, directory_iterator::separator()));
+ re_detail::overflow_error_if_not_zero(re_detail::strcat_s(buf, MAX_PATH, "*"));
+ }
+ directory_iterator dstart(buf);
+ directory_iterator dend;
+
+ // now get the file mask bit of "files":
+ const char* ptr = files;
+ while(*ptr) ++ptr;
+ while((ptr != files) && (*ptr != *directory_iterator::separator()) && (*ptr != '/'))--ptr;
+ if(ptr != files) ++ptr;
+
+ while(dstart != dend)
+ {
+#if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) && !defined(_WIN32_WCE) && !defined(UNDER_CE)
+ (::sprintf_s)(buf, sizeof(buf), "%s%s%s", dstart.path(), directory_iterator::separator(), ptr);
+#else
+ (std::sprintf)(buf, "%s%s%s", dstart.path(), directory_iterator::separator(), ptr);
+#endif
+ BuildFileList(pl, buf, recurse);
+ ++dstart;
+ }
+ }
+ while(start != end)
+ {
+ pl->push_back(*start);
+ ++start;
+ }
+}
+}
+
+unsigned int RegEx::GrepFiles(GrepFileCallback cb, const char* files, bool recurse, match_flag_type flags)
+{
+ unsigned int result = 0;
+ std::list<std::string> file_list;
+ BuildFileList(&file_list, files, recurse);
+ std::list<std::string>::iterator start, end;
+ start = file_list.begin();
+ end = file_list.end();
+
+ while(start != end)
+ {
+ mapfile map((*start).c_str());
+ pdata->t = re_detail::RegExData::type_pf;
+ pdata->fbase = map.begin();
+ re_detail::pred4 pred(cb, this, (*start).c_str());
+ int r = regex_grep(pred, map.begin(), map.end(), pdata->e, flags);
+ result += r;
+ ++start;
+ pdata->clean();
+ if(pred.ok == false)
+ return result;
+ }
+
+ return result;
+}
+
+
+unsigned int RegEx::FindFiles(FindFilesCallback cb, const char* files, bool recurse, match_flag_type flags)
+{
+ unsigned int result = 0;
+ std::list<std::string> file_list;
+ BuildFileList(&file_list, files, recurse);
+ std::list<std::string>::iterator start, end;
+ start = file_list.begin();
+ end = file_list.end();
+
+ while(start != end)
+ {
+ mapfile map((*start).c_str());
+ pdata->t = re_detail::RegExData::type_pf;
+ pdata->fbase = map.begin();
+
+ if(regex_search(map.begin(), map.end(), pdata->fm, pdata->e, flags))
+ {
+ ++result;
+ if(false == cb((*start).c_str()))
+ return result;
+ }
+ //pdata->update();
+ ++start;
+ //pdata->clean();
+ }
+
+ return result;
+}
+#endif
+
+#ifdef BOOST_REGEX_V3
+#define regex_replace regex_merge
+#endif
+
+std::string RegEx::Merge(const std::string& in, const std::string& fmt,
+ bool copy, match_flag_type flags)
+{
+ std::string result;
+ re_detail::string_out_iterator<std::string> i(result);
+ if(!copy) flags |= format_no_copy;
+ regex_replace(i, in.begin(), in.end(), pdata->e, fmt.c_str(), flags);
+ return result;
+}
+
+std::string RegEx::Merge(const char* in, const char* fmt,
+ bool copy, match_flag_type flags)
+{
+ std::string result;
+ if(!copy) flags |= format_no_copy;
+ re_detail::string_out_iterator<std::string> i(result);
+ regex_replace(i, in, in + std::strlen(in), pdata->e, fmt, flags);
+ return result;
+}
+
+std::size_t RegEx::Split(std::vector<std::string>& v,
+ std::string& s,
+ match_flag_type flags,
+ unsigned max_count)
+{
+ return regex_split(std::back_inserter(v), s, pdata->e, flags, max_count);
+}
+
+
+
+//
+// now operators for returning what matched in more detail:
+//
+std::size_t RegEx::Position(int i)const
+{
+ switch(pdata->t)
+ {
+ case re_detail::RegExData::type_pc:
+ return pdata->m[i].matched ? pdata->m[i].first - pdata->pbase : RegEx::npos;
+#ifndef BOOST_REGEX_NO_FILEITER
+ case re_detail::RegExData::type_pf:
+ return pdata->fm[i].matched ? pdata->fm[i].first - pdata->fbase : RegEx::npos;
+#endif
+ case re_detail::RegExData::type_copy:
+ {
+ std::map<int, std::ptrdiff_t, std::less<int> >::iterator pos = pdata->positions.find(i);
+ if(pos == pdata->positions.end())
+ return RegEx::npos;
+ return (*pos).second;
+ }
+ }
+ return RegEx::npos;
+}
+
+std::size_t RegEx::Marks()const
+{
+ return pdata->e.mark_count();
+}
+
+
+std::size_t RegEx::Length(int i)const
+{
+ switch(pdata->t)
+ {
+ case re_detail::RegExData::type_pc:
+ return pdata->m[i].matched ? pdata->m[i].second - pdata->m[i].first : RegEx::npos;
+#ifndef BOOST_REGEX_NO_FILEITER
+ case re_detail::RegExData::type_pf:
+ return pdata->fm[i].matched ? pdata->fm[i].second - pdata->fm[i].first : RegEx::npos;
+#endif
+ case re_detail::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 re_detail::RegExData::type_pc:
+ return pdata->m[i].matched;
+#ifndef BOOST_REGEX_NO_FILEITER
+ case re_detail::RegExData::type_pf:
+ return pdata->fm[i].matched;
+#endif
+ case re_detail::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 re_detail::RegExData::type_pc:
+ if(pdata->m[i].matched)
+ result.assign(pdata->m[i].first, pdata->m[i].second);
+ break;
+ case re_detail::RegExData::type_pf:
+ if(pdata->m[i].matched)
+ result.assign(to_string(pdata->m[i].first, pdata->m[i].second));
+ break;
+ case re_detail::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;
+}
+
+#ifdef BOOST_HAS_LONG_LONG
+const std::size_t RegEx::npos = static_cast<std::size_t>(~0ULL);
+#else
+const std::size_t RegEx::npos = static_cast<std::size_t>(~0UL);
+#endif
+
+} // 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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+