00001 /* /////////////////////////////////////////////////////////////////////////
00002  * File:        fastformat/shims/conversion/filter_type/void_pointers.hpp
00003  *
00004  * Purpose:     FastFormat argument conversion shim for floating-point
00005  *              types.
00006  *
00007  * Created:     30th November 2008
00008  * Updated:     18th January 2009
00009  *
00010  * Home:        http://www.fastformat.org/
00011  *
00012  * Copyright (c) 2008-2009, Matthew Wilson and Synesis Software
00013  * All rights reserved.
00014  *
00015  * Redistribution and use in source and binary forms, with or without
00016  * modification, are permitted provided that the following conditions are
00017  * met:
00018  *
00019  * - Redistributions of source code must retain the above copyright notice,
00020  *   this list of conditions and the following disclaimer.
00021  * - Redistributions in binary form must reproduce the above copyright
00022  *   notice, this list of conditions and the following disclaimer in the
00023  *   documentation and/or other materials provided with the distribution.
00024  * - Neither the names of Matthew Wilson and Synesis Software nor the names
00025  *   of any contributors may be used to endorse or promote products derived
00026  *   from this software without specific prior written permission.
00027  *
00028  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00029  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
00030  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00031  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
00032  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00033  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00034  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00035  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00036  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00037  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00038  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00039  *
00040  * ////////////////////////////////////////////////////////////////////// */
00041 
00042 
00048 #ifndef FASTFORMAT_INCL_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS
00049 #define FASTFORMAT_INCL_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS
00050 
00051 /* /////////////////////////////////////////////////////////////////////////
00052  * Version information
00053  */
00054 
00055 #ifndef FASTFORMAT_DOCUMENTATION_SKIP_SECTION
00056 # define FASTFORMAT_VER_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS_MAJOR     1
00057 # define FASTFORMAT_VER_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS_MINOR     1
00058 # define FASTFORMAT_VER_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS_REVISION  1
00059 # define FASTFORMAT_VER_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS_EDIT      4
00060 #endif /* !FASTFORMAT_DOCUMENTATION_SKIP_SECTION */
00061 
00062 /* /////////////////////////////////////////////////////////////////////////
00063  * Language
00064  */
00065 
00066 #ifndef __cplusplus
00067 # error This file can only be included in C++ compilation units
00068 #endif /* !__cplusplus */
00069 
00070 /* /////////////////////////////////////////////////////////////////////////
00071  * Includes
00072  */
00073 
00074 #include <fastformat/fastformat.h>
00075 #include <fastformat/internal/stlsoft.h>
00076 #include <fastformat/quality/contract.h>
00077 #include <fastformat/util/string/snprintf.h>
00078 
00079 #include <stlsoft/string/shim_string.hpp>
00080 
00081 /* /////////////////////////////////////////////////////////////////////////
00082  * Namespace
00083  */
00084 
00085 #if !defined(FASTFORMAT_NO_NAMESPACE)
00086 namespace fastformat
00087 {
00088 namespace filters
00089 {
00090 #endif /* !FASTFORMAT_NO_NAMESPACE */
00091 
00092 /* /////////////////////////////////////////////////////////////////////////
00093  * Overloadable conversion shim functions:
00094  *
00095  * float
00096  * double
00097  */
00098 
00102 inline stlsoft::basic_shim_string<ff_char_t, 32> filter_type(void const volatile* value, void const volatile* const*, ff_char_t const volatile*)
00103 {
00104     static const ff_char_t  fmt[] = { '%', 'p', '\0' };
00105 
00106     stlsoft::basic_shim_string<ff_char_t, 32>   r(32);
00107 
00108     int n = fastformat_util_snprintf(r.data(), r.size(), fmt, value);
00109 
00110     if(n < 0)
00111     {
00112         n = 0;
00113     }
00114 
00115     r.truncate(static_cast<size_t>(n));
00116 
00117     return r;
00118 }
00119 
00123 inline stlsoft::basic_shim_string<ff_char_t, 32> filter_type(void const* value, void const* const*, ff_char_t const volatile*)
00124 {
00125     void const volatile* value2 = value;
00126 
00127     return filter_type(value2, &value2, static_cast<ff_char_t const volatile*>(0));
00128 }
00129 
00133 inline stlsoft::basic_shim_string<ff_char_t, 32> filter_type(void volatile* value, void volatile* const*, ff_char_t const volatile*)
00134 {
00135     void const volatile* value2 = value;
00136 
00137     return filter_type(value2, &value2, static_cast<ff_char_t const volatile*>(0));
00138 }
00139 
00143 inline stlsoft::basic_shim_string<ff_char_t, 32> filter_type(void* value, void* const*, ff_char_t const volatile*)
00144 {
00145     void const volatile* value2 = value;
00146 
00147     return filter_type(value2, &value2, static_cast<ff_char_t const volatile*>(0));
00148 }
00149 
00150 /* /////////////////////////////////////////////////////////////////////////
00151  * Namespace
00152  */
00153 
00154 #if !defined(FASTFORMAT_NO_NAMESPACE)
00155 } /* namespace filters */
00156 } /* namespace fastformat */
00157 #endif /* !FASTFORMAT_NO_NAMESPACE */
00158 
00159 /* /////////////////////////////////////////////////////////////////////////
00160  * Inclusion
00161  */
00162 
00163 #ifdef STLSOFT_CF_PRAGMA_ONCE_SUPPORT
00164 # pragma once
00165 #endif /* STLSOFT_CF_PRAGMA_ONCE_SUPPORT */
00166 
00167 /* ////////////////////////////////////////////////////////////////////// */
00168 
00169 #endif /* FASTFORMAT_INCL_FASTFORMAT_SHIMS_CONVERSION_FILTER_TYPE_HPP_VOID_POINTERS */
00170 
00171 /* ////////////////////////////////////////////////////////////////////// */

FastFormat Library documentation � Matthew Wilson, 2006-2009