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# fastformat/sinks/string_array.hpp

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    00001 /* /////////////////////////////////////////////////////////////////////////
    00002  * File:        fastformat/sinks/string_array.hpp
    00003  *
    00004  * Purpose:     A FastFormat sink for string sequences.
    00005  *
    00006  * Created:     24th December 2007
    00007  * Updated:     11th August 2009
    00008  *
    00009  * Home:        http://www.fastformat.org/
    00010  *
    00011  * Copyright (c) 2007-2009, 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
    00042
    00043 #error This file is not ready
    00044
    00050 #ifndef FASTFORMAT_INCL_FASTFORMAT_SINK_HPP_STRING_ARRAY
    00051 #define FASTFORMAT_INCL_FASTFORMAT_SINK_HPP_STRING_ARRAY
    00052
    00053 /* /////////////////////////////////////////////////////////////////////////
    00054  * Version information
    00055  */
    00056
    00057 #ifndef FASTFORMAT_DOCUMENTATION_SKIP_SECTION
    00058 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRING_ARRAY_MAJOR      0
    00059 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRING_ARRAY_MINOR      0
    00060 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRING_ARRAY_REVISION   1
    00061 # define FASTFORMAT_VER_FASTFORMAT_SINK_HPP_STRING_ARRAY_EDIT       4
    00062 #endif /* !FASTFORMAT_DOCUMENTATION_SKIP_SECTION */
    00063
    00064 /* /////////////////////////////////////////////////////////////////////////
    00065  * Language
    00066  */
    00067
    00068 #ifndef __cplusplus
    00069 # error This file can only be included in C++ compilation units
    00070 #endif /* !__cplusplus */
    00071
    00072 /* /////////////////////////////////////////////////////////////////////////
    00073  * Includes
    00074  */
    00075
    00076 #include <fastformat/fastformat.h>
    00077 #include <fastformat/internal/stlsoft.h>
    00078 #include <fastformat/quality/contract.h>
    00079 #include <fastformat/format/standard_flags.hpp>
    00080
    00081 #include <platformstl/error/exceptions.hpp>
    00082 #include <stlsoft/memory/auto_buffer.hpp>
    00083
    00084 #include <string>
    00085
    00086 /* /////////////////////////////////////////////////////////////////////////
    00087  * Namespace
    00088  */
    00089
    00090 #if !defined(FASTFORMAT_NO_NAMESPACE)
    00091 namespace fastformat
    00092 {
    00093 namespace sinks
    00094 {
    00095 #endif /* !FASTFORMAT_NO_NAMESPACE */
    00096
    00097 /* /////////////////////////////////////////////////////////////////////////
    00098  * Classes
    00099  */
    00100
    00103 class string_array_sink
    00104 {
    00105 public:
    00107     typedef string_array_sink     class_type;
    00108
    00109 public:
    00111     string_array_sink(int fh)
    00112         : m_fh(fh)
    00113         , m_delim()
    00114     {}
    00116     string_array_sink(int fh, char const* delim)
    00117         : m_fh(fh)
    00118         , m_delim(delim)
    00119     {}
    00120
    00121 public:
    00123     class_type& write(size_t numResults, ff_string_slice_t const* results, int flags)
    00124     {
    00125         stlsoft::auto_buffer<iovec>     vectors(numResults + 2);
    00126         ff_string_slice_t               crlf = fastformat_getNewlineForPlatform();
    00127
    00128 #ifdef STLSOFT_CF_THROW_BAD_ALLOC
    00129         if(!vectors.empty())
    00130 #endif /* STLSOFT_CF_THROW_BAD_ALLOC */
    00131         {
    00132             STLSOFT_ASSERT(vectors.size() == numResults + 2);
    00133
    00134             { for(size_t i = 0; i != vectors.size() - 2; ++i)
    00135             {
    00136                 vectors[i].iov_base =   const_cast<char*>(results[i].ptr);
    00137                 vectors[i].iov_len  =   results[i].len;
    00138             }}
    00139
    00140             if(!m_delim.empty())
    00141             {
    00142                 vectors[vectors.size() - 2].iov_base    =   const_cast<char*>(m_delim.data());
    00143                 vectors[vectors.size() - 2].iov_len     =   m_delim.size();
    00144             }
    00145             else
    00146             {
    00147                 vectors.resize(vectors.size() - 1);
    00148             }
    00149
    00150             if(flags::ff_newLine & flags)
    00151             {
    00152                 vectors[vectors.size() - 1].iov_base    =   const_cast<char*>(crlf.ptr);
    00153                 vectors[vectors.size() - 1].iov_len     =   crlf.len;
    00154             }
    00155             else
    00156             {
    00157                 vectors.resize(vectors.size() - 1);
    00158             }
    00159
    00160             if(::writev(m_fh, &vectors[0], static_cast<int>(vectors.size())) < 0)
    00161             {
    00162 #ifdef STLSOFT_CF_EXCEPTION_SUPPORT
    00163                 throw platformstl::platform_exception("failed to write vector payload", errno);
    00164 #endif /* STLSOFT_CF_EXCEPTION_SUPPORT */
    00165             }
    00166
    00167 #if 0
    00168             if(flags::ff_flush & flags)
    00169             {
    00170                 ::flush(m_fh);
    00171             }
    00172 #endif /* 0 */
    00173         }
    00174
    00175         return *this;
    00176     }
    00177
    00178 private:
    00179     int         m_fh;
    00180     std::string m_delim;
    00181 };
    00182
    00183 /* /////////////////////////////////////////////////////////////////////////
    00184  * Action Shims
    00185  */
    00186
    00190 inline string_array_sink& fmt_slices(string_array_sink& sink, int flags, size_t /* cchTotal */, size_t numResults, ff_string_slice_t const* results)
    00191 {
    00192     return sink.write(numResults, results, flags);
    00193 }
    00194
    00195 /* /////////////////////////////////////////////////////////////////////////
    00196  * Namespace
    00197  */
    00198
    00199 #if !defined(FASTFORMAT_NO_NAMESPACE)
    00200 } /* namespace sinks */
    00201 } /* namespace fastformat */
    00202 #endif /* !FASTFORMAT_NO_NAMESPACE */
    00203
    00204 /* ////////////////////////////////////////////////////////////////////// */
    00205
    00206 #endif /* FASTFORMAT_INCL_FASTFORMAT_SINK_HPP_STRING_ARRAY */
    00207
    00208 /* ///////////////////////////// end of file //////////////////////////// */

FastFormat Library documentation © Matthew Wilson, 2006-2009 |