From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/regex/src/regex_raw_buffer.cxx | 70 +++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 cutl/details/boost/regex/src/regex_raw_buffer.cxx

(limited to 'cutl/details/boost/regex/src/regex_raw_buffer.cxx')

diff --git a/cutl/details/boost/regex/src/regex_raw_buffer.cxx b/cutl/details/boost/regex/src/regex_raw_buffer.cxx
new file mode 100644
index 0000000..a0c4811
--- /dev/null
+++ b/cutl/details/boost/regex/src/regex_raw_buffer.cxx
@@ -0,0 +1,70 @@
+/*
+ *
+ * Copyright (c) 2004
+ * 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         regex_raw_buffer.cpp
+  *   VERSION      see <cutl/details/boost/version.hpp>
+  *   DESCRIPTION: Member functions for class raw_storage.
+  */
+
+
+#define BOOST_REGEX_SOURCE
+#include <memory>
+#include <cstring>
+#include <cutl/details/boost/assert.hpp>
+#include <cutl/details/boost/regex/v4/regex_raw_buffer.hpp>
+
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std{
+   using ::memcpy;
+   using ::memmove;
+}
+#endif
+
+
+namespace cutl_details_boost{ namespace re_detail{
+
+void BOOST_REGEX_CALL raw_storage::resize(size_type n)
+{
+   register size_type newsize = start ? last - start : 1024;
+   while(newsize < n)
+      newsize *= 2;
+   register size_type datasize = end - start;
+   // extend newsize to WORD/DWORD boundary:
+   newsize = (newsize + padding_mask) & ~(padding_mask);
+
+   // allocate and copy data:
+   register pointer ptr = static_cast<pointer>(::operator new(newsize));
+   BOOST_REGEX_NOEH_ASSERT(ptr)
+   std::memcpy(ptr, start, datasize);
+
+   // get rid of old buffer:
+   ::operator delete(start);
+
+   // and set up pointers:
+   start = ptr;
+   end = ptr + datasize;
+   last = ptr + newsize;
+}
+
+void* BOOST_REGEX_CALL raw_storage::insert(size_type pos, size_type n)
+{
+   BOOST_ASSERT(pos <= size_type(end - start));
+   if(size_type(last - end) < n)
+      resize(n + (end - start));
+   register void* result = start + pos;
+   std::memmove(start + pos + n, start + pos, (end - start) - pos);
+   end += n;
+   return result;
+}
+
+}} // namespaces
-- 
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