Imported Upstream version 1.64.0upstream/1.64.0

Change-Id: Id9212edd016dd55f21172c427aa7894d1d24148b
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

1 files changed, 475 insertions, 0 deletions

diff --git a/boost/process/pipe.hpp b/boost/process/pipe.hpp
new file mode 100644
index 0000000000..8af776f966
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+++ b/boost/process/pipe.hpp
@@ -0,0 +1,475 @@
+// Copyright (c) 2006, 2007 Julio M. Merino Vidal
+// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
+// Copyright (c) 2009 Boris Schaeling
+// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
+// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
+//
+// Distributed under 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)
+
+
+#ifndef BOOST_PROCESS_PIPE_HPP
+#define BOOST_PROCESS_PIPE_HPP
+
+#include <boost/config.hpp>
+#include <boost/process/detail/config.hpp>
+#include <streambuf>
+#include <istream>
+#include <ostream>
+#include <vector>
+
+#if defined(BOOST_POSIX_API)
+#include <boost/process/detail/posix/basic_pipe.hpp>
+#elif defined(BOOST_WINDOWS_API)
+#include <boost/process/detail/windows/basic_pipe.hpp>
+#endif
+
+namespace boost { namespace process {
+
+using ::boost::process::detail::api::basic_pipe;
+
+#if defined(BOOST_PROCESS_DOXYGEN)
+/** Class implementation of a pipe.
+ *
+ */
+template<class CharT, class Traits = std::char_traits<CharT>>
+class basic_pipe
+{
+public:
+    typedef CharT                      char_type  ;
+    typedef          Traits            traits_type;
+    typedef typename Traits::int_type  int_type   ;
+    typedef typename Traits::pos_type  pos_type   ;
+    typedef typename Traits::off_type  off_type   ;
+    typedef ::boost::detail::winapi::HANDLE_ native_handle;
+
+    /// Default construct the pipe. Will be opened.
+    basic_pipe();
+
+    ///Construct a named pipe.
+    inline explicit basic_pipe(const std::string & name);
+    /** Copy construct the pipe.
+     *  \note Duplicated the handles.
+     */
+    inline basic_pipe(const basic_pipe& p);
+    /** Move construct the pipe. */
+    basic_pipe(basic_pipe&& lhs);
+    /** Copy assign the pipe.
+     *  \note Duplicated the handles.
+     */
+    inline basic_pipe& operator=(const basic_pipe& p);
+    /** Move assign the pipe. */
+    basic_pipe& operator=(basic_pipe&& lhs);
+    /** Destructor closes the handles. */
+    ~basic_pipe();
+    /** Get the native handle of the source. */
+    native_handle native_source() const;
+    /** Get the native handle of the sink. */
+    native_handle native_sink  () const;
+
+    /** Assign a new value to the source */
+    void assign_source(native_handle h);
+    /** Assign a new value to the sink */
+    void assign_sink  (native_handle h);
+
+
+    ///Write data to the pipe.
+    int_type write(const char_type * data, int_type count);
+    ///Read data from the pipe.
+    int_type read(char_type * data, int_type count);
+    ///Check if the pipe is open.
+    bool is_open();
+    ///Close the pipe
+    void close();
+};
+
+#endif
+
+
+
+typedef basic_pipe<char>     pipe;
+typedef basic_pipe<wchar_t> wpipe;
+
+
+/** Implementation of the stream buffer for a pipe.
+ */
+template<
+    class CharT,
+    class Traits = std::char_traits<CharT>
+>
+struct basic_pipebuf : std::basic_streambuf<CharT, Traits>
+{
+    typedef basic_pipe<CharT, Traits> pipe_type;
+
+    typedef           CharT            char_type  ;
+    typedef           Traits           traits_type;
+    typedef  typename Traits::int_type int_type   ;
+    typedef  typename Traits::pos_type pos_type   ;
+    typedef  typename Traits::off_type off_type   ;
+
+    constexpr static int default_buffer_size = BOOST_PROCESS_PIPE_SIZE;
+
+    ///Default constructor, will also construct the pipe.
+    basic_pipebuf() : _write(default_buffer_size), _read(default_buffer_size)
+    {
+        this->setg(_read.data(),  _read.data()+ 128,  _read.data() + 128);
+        this->setp(_write.data(), _write.data() + _write.size());
+    }
+    ///Copy Constructor.
+    basic_pipebuf(const basic_pipebuf & ) = default;
+    ///Move Constructor
+    basic_pipebuf(basic_pipebuf && ) = default;
+
+    ///Move construct from a pipe.
+    basic_pipebuf(pipe_type && p) : _pipe(std::move(p)),
+                                    _write(default_buffer_size),
+                                    _read(default_buffer_size)
+    {
+        this->setg(_read.data(),  _read.data()+ 128,  _read.data() + 128);
+        this->setp(_write.data(), _write.data() + _write.size());
+    }
+    ///Construct from a pipe.
+    basic_pipebuf(const pipe_type & p) : _pipe(p),
+                                        _write(default_buffer_size),
+                                        _read(default_buffer_size)
+    {
+        this->setg(_read.data(),  _read.data()+ 128,  _read.data() + 128);
+        this->setp(_write.data(), _write.data() + _write.size());
+    }
+    ///Copy assign.
+    basic_pipebuf& operator=(const basic_pipebuf & ) = delete;
+    ///Move assign.
+    basic_pipebuf& operator=(basic_pipebuf && ) = default;
+    ///Move assign a pipe.
+    basic_pipebuf& operator=(pipe_type && p)
+    {
+        _pipe = std::move(p);
+        return *this;
+    }
+    ///Copy assign a pipe.
+    basic_pipebuf& operator=(const pipe_type & p)
+    {
+        _pipe = p;
+        return *this;
+    }
+    ///Writes characters to the associated output sequence from the put area
+    int_type overflow(int_type ch = traits_type::eof()) override
+    {
+        if ((ch != traits_type::eof()) && _pipe.is_open())
+        {
+            if (this->pptr() == this->epptr())
+            {
+                bool wr = this->_write_impl();
+                *this->pptr() = ch;
+                this->pbump(1);
+                if (wr)
+                    return ch;
+            }
+            else
+            {
+                *this->pptr() = ch;
+                this->pbump(1);
+                if (this->_write_impl())
+                    return ch;
+            }
+        }
+        return traits_type::eof();
+    }
+    ///Synchronizes the buffers with the associated character sequence
+    int sync() override { return this->_write_impl() ? 0 : -1; }
+
+    ///Reads characters from the associated input sequence to the get area
+    int_type underflow() override
+    {
+        if (!_pipe.is_open())
+            return traits_type::eof();
+
+        if (this->egptr() == &_read.back()) //ok, so we're at the end of the buffer
+            this->setg(_read.data(),  _read.data()+ 10,  _read.data() + 10);
+
+
+        auto len = &_read.back() - this->egptr() ;
+        auto res = _pipe.read(
+                        this->egptr(),
+                        static_cast<typename pipe_type::int_type>(len));
+        if (res == 0)
+            return traits_type::eof();
+
+        this->setg(this->eback(), this->gptr(), this->egptr() + res);
+        auto val = *this->gptr();
+
+        return traits_type::to_int_type(val);
+    }
+
+
+    ///Set the pipe of the streambuf.
+    void pipe(pipe_type&& p)      {_pipe = std::move(p); }
+    ///Set the pipe of the streambuf.
+    void pipe(const pipe_type& p) {_pipe = p; }
+    ///Get a reference to the pipe.
+    pipe_type &      pipe() &       {return _pipe;}
+    ///Get a const reference to the pipe.
+    const pipe_type &pipe() const & {return _pipe;}
+    ///Get a rvalue reference to the pipe. Qualified as rvalue.
+    pipe_type &&     pipe()  &&     {return std::move(_pipe);}
+private:
+    pipe_type _pipe;
+    std::vector<char_type> _write;
+    std::vector<char_type> _read;
+
+    bool _write_impl()
+    {
+        if (!_pipe.is_open())
+            return false;
+
+        auto base = this->pbase();
+        auto wrt = _pipe.write(base,
+                static_cast<typename pipe_type::int_type>(this->pptr() - base));
+        std::ptrdiff_t diff = this->pptr() - base;
+
+        if (wrt < diff)
+            std::move(base + wrt, base + diff, base);
+        else if (wrt == 0) //broken pipe
+            return false;
+
+        this->pbump(-wrt);
+
+        return true;
+    }
+};
+
+typedef basic_pipebuf<char>     pipebuf;
+typedef basic_pipebuf<wchar_t> wpipebuf;
+
+/** Implementation of a reading pipe stream.
+ *
+ */
+template<
+    class CharT,
+    class Traits = std::char_traits<CharT>
+>
+class basic_ipstream : public std::basic_istream<CharT, Traits>
+{
+    basic_pipebuf<CharT, Traits> _buf;
+public:
+
+    typedef basic_pipe<CharT, Traits> pipe_type;
+
+    typedef           CharT            char_type  ;
+    typedef           Traits           traits_type;
+    typedef  typename Traits::int_type int_type   ;
+    typedef  typename Traits::pos_type pos_type   ;
+    typedef  typename Traits::off_type off_type   ;
+
+    ///Get access to the underlying stream_buf
+    basic_pipebuf<CharT, Traits>* rdbuf() const {return _buf;};
+
+    ///Default constructor.
+    basic_ipstream() : std::basic_istream<CharT, Traits>(nullptr)
+    {
+        std::basic_istream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy constructor.
+    basic_ipstream(const basic_ipstream & ) = delete;
+    ///Move constructor.
+    basic_ipstream(basic_ipstream && ) = default;
+
+    ///Move construct from a pipe.
+    basic_ipstream(pipe_type && p)      : std::basic_istream<CharT, Traits>(nullptr), _buf(std::move(p))
+    {
+        std::basic_istream<CharT, Traits>::rdbuf(&_buf);
+    }
+
+    ///Copy construct from a pipe.
+    basic_ipstream(const pipe_type & p) : std::basic_istream<CharT, Traits>(nullptr), _buf(p)
+    {
+        std::basic_istream<CharT, Traits>::rdbuf(&_buf);
+    }
+
+    ///Copy assignment.
+    basic_ipstream& operator=(const basic_ipstream & ) = delete;
+    ///Move assignment
+    basic_ipstream& operator=(basic_ipstream && ) = default;
+    ///Move assignment of a pipe.
+    basic_ipstream& operator=(pipe_type && p)
+    {
+        _buf = std::move(p);
+        return *this;
+    }
+    ///Copy assignment of a pipe.
+    basic_ipstream& operator=(const pipe_type & p)
+    {
+        _buf = p;
+        return *this;
+    }
+    ///Set the pipe of the streambuf.
+    void pipe(pipe_type&& p)      {_buf.pipe(std::move(p)); }
+    ///Set the pipe of the streambuf.
+    void pipe(const pipe_type& p) {_buf.pipe(p); }
+    ///Get a reference to the pipe.
+    pipe_type &      pipe() &       {return _buf.pipe();}
+    ///Get a const reference to the pipe.
+    const pipe_type &pipe() const & {return _buf.pipe();}
+    ///Get a rvalue reference to the pipe. Qualified as rvalue.
+    pipe_type &&     pipe()  &&     {return std::move(_buf).pipe();}
+};
+
+typedef basic_ipstream<char>     ipstream;
+typedef basic_ipstream<wchar_t> wipstream;
+
+/** Implementation of a write pipe stream.
+ *
+ */
+template<
+    class CharT,
+    class Traits = std::char_traits<CharT>
+>
+class basic_opstream : public std::basic_ostream<CharT, Traits>
+{
+    basic_pipebuf<CharT, Traits> _buf;
+public:
+    typedef basic_pipe<CharT, Traits> pipe_type;
+
+    typedef           CharT            char_type  ;
+    typedef           Traits           traits_type;
+    typedef  typename Traits::int_type int_type   ;
+    typedef  typename Traits::pos_type pos_type   ;
+    typedef  typename Traits::off_type off_type   ;
+
+
+    ///Get access to the underlying stream_buf
+    basic_pipebuf<CharT, Traits>* rdbuf() const {return _buf;};
+
+    ///Default constructor.
+    basic_opstream() : std::basic_ostream<CharT, Traits>(nullptr)
+    {
+        std::basic_ostream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy constructor.
+    basic_opstream(const basic_opstream & ) = delete;
+    ///Move constructor.
+    basic_opstream(basic_opstream && ) = default;
+
+    ///Move construct from a pipe.
+    basic_opstream(pipe_type && p)      : std::basic_ostream<CharT, Traits>(nullptr), _buf(std::move(p))
+    {
+        std::basic_ostream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy construct from a pipe.
+    basic_opstream(const pipe_type & p) : std::basic_ostream<CharT, Traits>(nullptr), _buf(p)
+    {
+        std::basic_ostream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy assignment.
+    basic_opstream& operator=(const basic_opstream & ) = delete;
+    ///Move assignment
+    basic_opstream& operator=(basic_opstream && ) = default;
+    ///Move assignment of a pipe.
+    basic_opstream& operator=(pipe_type && p)
+    {
+        _buf = std::move(p);
+        return *this;
+    }
+    ///Copy assignment of a pipe.
+    basic_opstream& operator=(const pipe_type & p)
+    {
+        _buf = p;
+        return *this;
+    }
+    ///Set the pipe of the streambuf.
+    void pipe(pipe_type&& p)      {_buf.pipe(std::move(p)); }
+    ///Set the pipe of the streambuf.
+    void pipe(const pipe_type& p) {_buf.pipe(p); }
+    ///Get a reference to the pipe.
+    pipe_type &      pipe() &       {return _buf.pipe();}
+    ///Get a const reference to the pipe.
+    const pipe_type &pipe() const & {return _buf.pipe();}
+    ///Get a rvalue reference to the pipe. Qualified as rvalue.
+    pipe_type &&     pipe()  &&     {return std::move(_buf).pipe();}
+};
+
+typedef basic_opstream<char>     opstream;
+typedef basic_opstream<wchar_t> wopstream;
+
+
+/** Implementation of a read-write pipe stream.
+ *
+ */
+template<
+    class CharT,
+    class Traits = std::char_traits<CharT>
+>
+class basic_pstream : public std::basic_iostream<CharT, Traits>
+{
+    basic_pipebuf<CharT, Traits> _buf;
+public:
+    typedef basic_pipe<CharT, Traits> pipe_type;
+
+    typedef           CharT            char_type  ;
+    typedef           Traits           traits_type;
+    typedef  typename Traits::int_type int_type   ;
+    typedef  typename Traits::pos_type pos_type   ;
+    typedef  typename Traits::off_type off_type   ;
+
+
+    ///Get access to the underlying stream_buf
+    basic_pipebuf<CharT, Traits>* rdbuf() const {return _buf;};
+
+    ///Default constructor.
+    basic_pstream() : std::basic_iostream<CharT, Traits>(nullptr)
+    {
+        std::basic_iostream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy constructor.
+    basic_pstream(const basic_pstream & ) = delete;
+    ///Move constructor.
+    basic_pstream(basic_pstream && ) = default;
+
+    ///Move construct from a pipe.
+    basic_pstream(pipe_type && p)      : std::basic_iostream<CharT, Traits>(nullptr), _buf(std::move(p))
+    {
+        std::basic_iostream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy construct from a pipe.
+    basic_pstream(const pipe_type & p) : std::basic_iostream<CharT, Traits>(nullptr), _buf(p)
+    {
+        std::basic_iostream<CharT, Traits>::rdbuf(&_buf);
+    };
+    ///Copy assignment.
+    basic_pstream& operator=(const basic_pstream & ) = delete;
+    ///Move assignment
+    basic_pstream& operator=(basic_pstream && ) = default;
+    ///Move assignment of a pipe.
+    basic_pstream& operator=(pipe_type && p)
+    {
+        _buf = std::move(p);
+        return *this;
+    }
+    ///Copy assignment of a pipe.
+    basic_pstream& operator=(const pipe_type & p)
+    {
+        _buf = p;
+        return *this;
+    }
+    ///Set the pipe of the streambuf.
+    void pipe(pipe_type&& p)      {_buf.pipe(std::move(p)); }
+    ///Set the pipe of the streambuf.
+    void pipe(const pipe_type& p) {_buf.pipe(p); }
+    ///Get a reference to the pipe.
+    pipe_type &      pipe() &       {return _buf.pipe();}
+    ///Get a const reference to the pipe.
+    const pipe_type &pipe() const & {return _buf.pipe();}
+    ///Get a rvalue reference to the pipe. Qualified as rvalue.
+    pipe_type &&     pipe()  &&     {return std::move(_buf).pipe();}
+};
+
+typedef basic_pstream<char>     pstream;
+typedef basic_pstream<wchar_t> wpstream;
+
+
+
+}}
+
+
+
+#endif