00001 /* /////////////////////////////////////////////////////////////////////////
00002  * File:        fastformat/sinks/stringstream.hpp
00003  *
00004  * Purpose:     A FastFormat sink for IOStreams' std::stringstream.
00005  *
00006  * Created:     19th January 2008
00007  * Updated:     9th April 2009
00008  *
00009  * Home:        http://www.fastformat.org/
00010  *
00011  * Copyright (c) 2008-2009, Matthew Wilson and Synesis Software
00012  * All rights reserved.
00013  *
00014  * Redistribution and use in source and binary forms, with or without
00015  * modification, are permitted provided that the following conditions are
00016  * met:
00017  *
00018  * - Redistributions of source code must retain the above copyright notice,
00019  *   this list of conditions and the following disclaimer.
00020  * - Redistributions in binary form must reproduce the above copyright
00021  *   notice, this list of conditions and the following disclaimer in the
00022  *   documentation and/or other materials provided with the distribution.
00023  * - Neither the names of Matthew Wilson and Synesis Software nor the names
00024  *   of any contributors may be used to endorse or promote products derived
00025  *   from this software without specific prior written permission.
00026  *
00027  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00028  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
00029  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00030  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
00031  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00032  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00033  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00034  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00035  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00036  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00037  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038  *
00039  * ////////////////////////////////////////////////////////////////////// */
00040 
00041 
00047 #ifndef FASTFORMAT_INCL_FASTFORMAT_SINK_HPP_STRINGSTREAM
00048 #define FASTFORMAT_INCL_FASTFORMAT_SINK_HPP_STRINGSTREAM
00049 
00050 /* /////////////////////////////////////////////////////////////////////////
00051  * Version information
00052  */
00053 
00054 #ifndef FASTFORMAT_DOCUMENTATION_SKIP_SECTION
00055 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRINGSTREAM_MAJOR      1
00056 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRINGSTREAM_MINOR      2
00057 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRINGSTREAM_REVISION   1
00058 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRINGSTREAM_EDIT       8
00059 #endif /* !FASTFORMAT_DOCUMENTATION_SKIP_SECTION */
00060 
00061 /* /////////////////////////////////////////////////////////////////////////
00062  * Language
00063  */
00064 
00065 #ifndef __cplusplus
00066 # error This file can only be included in C++ compilation units
00067 #endif /* !__cplusplus */
00068 
00069 /* /////////////////////////////////////////////////////////////////////////
00070  * Includes
00071  */
00072 
00073 #include <fastformat/fastformat.h>
00074 #include <fastformat/format/standard_flags.hpp>
00075 #include <fastformat/quality/contract.h>
00076 #include <fastformat/util/sinks/helpers.hpp>
00077 
00078 #include <sstream>
00079 
00080 /* /////////////////////////////////////////////////////////////////////////
00081  * Namespace
00082  */
00083 
00084 #if !defined(FASTFORMAT_NO_NAMESPACE)
00085 namespace fastformat
00086 {
00087 namespace sinks
00088 {
00089 #endif /* !FASTFORMAT_NO_NAMESPACE */
00090 
00091 /* /////////////////////////////////////////////////////////////////////////
00092  * Action Shims
00093  */
00094 
00098 inline std::basic_stringstream<ff_char_t>&
00099 fmt_slices(
00100     std::basic_stringstream<ff_char_t>& sink
00101 ,   int                                 flags
00102 ,   size_t                              /* cchTotal */
00103 ,   size_t                              numResults
00104 ,   ff_string_slice_t const*            results
00105 )
00106 {
00107     { for(size_t i = 0; i < numResults; ++i)
00108     {
00109         ff_string_slice_t const &slice = results[i];
00110 
00111         if(0 != slice.len)
00112         {
00113             sink.write(slice.ptr, static_cast<std::streamsize>(slice.len));
00114         }
00115     }}
00116 
00117     switch((0 != (flags::ff_newLine & flags)) + 2 * (0 != (flags::ff_flush & flags)))
00118     {
00119         default:
00120             FASTFORMAT_CONTRACT_ENFORCE_UNEXPECTED_CONDITION_APPL_LAYER("impossible flags combination permutation");
00121         case    0:  // Do nothing
00122             break;
00123         case    1:  // New line only
00124             sink.write(FASTFORMAT_LITERAL_STRING("\n"), 1);
00125             break;
00126         case    2:  // Flush only
00127             sink.flush();
00128             break;
00129         case    3:  // New line and flush
00130             sink << std::endl;
00131             break;
00132     }
00133 
00134     return sink;
00135 }
00136 
00137 /* /////////////////////////////////////////////////////////////////////////
00138  * Namespace
00139  */
00140 
00141 #if !defined(FASTFORMAT_NO_NAMESPACE)
00142 } /* namespace sinks */
00143 } /* namespace fastformat */
00144 #endif /* !FASTFORMAT_NO_NAMESPACE */
00145 
00146 /* ////////////////////////////////////////////////////////////////////// */
00147 
00148 #endif /* FASTFORMAT_INCL_FASTFORMAT_SINK_HPP_STRINGSTREAM */
00149 
00150 /* ////////////////////////////////////////////////////////////////////// */

FastFormat Library documentation © Matthew Wilson, 2006-2009