Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 143 insertions, 0 deletions

diff --git a/src/boost/tools/bcp/fileview.cpp b/src/boost/tools/bcp/fileview.cpp
new file mode 100644
index 00000000..36e78506
--- /dev/null
+++ b/src/boost/tools/bcp/fileview.cpp
@@ -0,0 +1,143 @@
+/*
+ *
+ * Copyright (c) 2003 Dr John Maddock
+ * Use, modification and distribution is 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)
+ *
+ * This file implements the fileview class
+ */
+
+#include "fileview.hpp"
+#include <boost/filesystem/fstream.hpp>
+#include <vector>
+#include <algorithm>
+#include <string>
+#include <fstream>
+#include <istream>
+#include <stdexcept>
+
+struct fileview::implementation
+{
+   std::vector<char> m_data;
+};
+
+
+// construct:
+fileview::fileview()
+{
+   pimpl.reset(new implementation());
+}
+
+fileview::fileview(const boost::filesystem::path& p)
+{
+   pimpl.reset(new implementation());
+   open(p);
+}
+
+fileview::~fileview()
+{
+}
+
+fileview::fileview(const fileview& )
+{
+}
+
+fileview& fileview::operator=(const fileview& that)
+{
+   pimpl = that.pimpl;
+   return *this;
+}
+
+void fileview::close()
+{
+   cow();
+   pimpl->m_data.clear();
+}
+
+void fileview::open(const boost::filesystem::path& p)
+{
+   cow();
+   boost::filesystem::ifstream is(p);
+   if(!is)
+   {
+      std::string msg("Bad file name: ");
+      msg += p.string();
+      std::runtime_error e(msg);
+      boost::throw_exception(e);
+   }
+   std::istreambuf_iterator<char> in(is);
+   std::istreambuf_iterator<char> end;
+   std::copy(in, end, std::back_inserter(pimpl->m_data));
+}
+
+// iterators:
+fileview::const_iterator         fileview::begin() const
+{
+   return pimpl->m_data.size() ? &(pimpl->m_data[0]) : 0;
+}
+
+fileview::const_iterator         fileview::end() const
+{
+   return begin() + pimpl->m_data.size();
+}
+
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+fileview::const_reverse_iterator fileview::rbegin() const
+{
+   return const_reverse_iterator(end());
+}
+
+fileview::const_reverse_iterator fileview::rend() const
+{
+   return const_reverse_iterator(begin());
+}
+#endif
+
+// capacity:
+fileview::size_type fileview::size() const
+{
+   return pimpl->m_data.size();
+}
+
+fileview::size_type fileview::max_size() const
+{
+   return pimpl->m_data.max_size();
+}
+
+bool      fileview::empty() const
+{
+   return pimpl->m_data.empty();
+}
+
+// element access:
+fileview::const_reference fileview::operator[](fileview::size_type n) const
+{
+   return pimpl->m_data[n];
+}
+
+fileview::const_reference fileview::at(size_type n) const
+{
+   return pimpl->m_data.at(n);
+}
+
+fileview::const_reference fileview::front() const
+{
+   return pimpl->m_data.front();
+}
+
+fileview::const_reference fileview::back() const
+{
+   return pimpl->m_data.back();
+}
+
+void fileview::swap(fileview& that)
+{
+   pimpl.swap(that.pimpl);
+}
+
+void fileview::cow()
+{
+   if(!pimpl.unique())
+      pimpl.reset(new implementation(*pimpl));
+}