cprintf.hh revision 4213:37a61d11f39f
1/* 2 * Copyright (c) 2002-2006 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 * Steve Reinhardt 30 */ 31 32#ifndef __BASE_CPRINTF_HH__ 33#define __BASE_CPRINTF_HH__ 34 35#include <ios> 36#include <iostream> 37#include <list> 38#include <string> 39 40#include "base/varargs.hh" 41#include "base/cprintf_formats.hh" 42 43namespace cp { 44 45#define CPRINTF_DECLARATION VARARGS_DECLARATION(cp::Print) 46#define CPRINTF_DEFINITION VARARGS_DEFINITION(cp::Print) 47 48struct Print 49{ 50 protected: 51 std::ostream &stream; 52 const char *format; 53 const char *ptr; 54 55 std::ios::fmtflags saved_flags; 56 char saved_fill; 57 int saved_precision; 58 59 void process(Format &fmt); 60 61 public: 62 Print(std::ostream &stream, const std::string &format); 63 Print(std::ostream &stream, const char *format); 64 ~Print(); 65 66 template <typename T> 67 void 68 add_arg(const T &data) 69 { 70 Format fmt; 71 process(fmt); 72 73 switch (fmt.format) { 74 case Format::character: 75 format_char(stream, data, fmt); 76 break; 77 78 case Format::integer: 79 format_integer(stream, data, fmt); 80 break; 81 82 case Format::floating: 83 format_float(stream, data, fmt); 84 break; 85 86 case Format::string: 87 format_string(stream, data, fmt); 88 break; 89 90 default: 91 stream << "<bad format>"; 92 break; 93 } 94 } 95 96 void end_args(); 97}; 98 99/* end namespace cp */ } 100 101typedef VarArgs::List<cp::Print> CPrintfArgsList; 102 103inline void 104ccprintf(std::ostream &stream, const char *format, const CPrintfArgsList &args) 105{ 106 cp::Print print(stream, format); 107 args.add_args(print); 108} 109 110inline void 111ccprintf(std::ostream &stream, const char *format, CPRINTF_DECLARATION) 112{ 113 cp::Print print(stream, format); 114 VARARGS_ADDARGS(print); 115} 116 117inline void 118cprintf(const char *format, CPRINTF_DECLARATION) 119{ 120 ccprintf(std::cout, format, VARARGS_ALLARGS); 121} 122 123inline std::string 124csprintf(const char *format, CPRINTF_DECLARATION) 125{ 126 std::stringstream stream; 127 ccprintf(stream, format, VARARGS_ALLARGS); 128 return stream.str(); 129} 130 131/* 132 * functions again with std::string. We have both so we don't waste 133 * time converting const char * to std::string since we don't take 134 * advantage of it. 135 */ 136inline void 137ccprintf(std::ostream &stream, const std::string &format, 138 const CPrintfArgsList &args) 139{ 140 ccprintf(stream, format.c_str(), args); 141} 142 143inline void 144ccprintf(std::ostream &stream, const std::string &format, CPRINTF_DECLARATION) 145{ 146 ccprintf(stream, format.c_str(), VARARGS_ALLARGS); 147} 148 149inline void 150cprintf(const std::string &format, CPRINTF_DECLARATION) 151{ 152 ccprintf(std::cout, format.c_str(), VARARGS_ALLARGS); 153} 154 155inline std::string 156csprintf(const std::string &format, CPRINTF_DECLARATION) 157{ 158 std::stringstream stream; 159 ccprintf(stream, format.c_str(), VARARGS_ALLARGS); 160 return stream.str(); 161} 162 163#endif // __CPRINTF_HH__ 164