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/*
* Copyright (c) 2014 ARM Limited
* Copyright (c) 2002-2006 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
* Steve Reinhardt
* Andreas Sandberg
*/
#ifndef __BASE_CPRINTF_HH__
#define __BASE_CPRINTF_HH__
#include <ios>
#include <iostream>
#include <list>
#include <string>
#include "base/cprintf_formats.hh"
namespace cp {
struct Print
{
protected:
std::ostream &stream;
const char *format;
const char *ptr;
bool cont;
std::ios::fmtflags saved_flags;
char saved_fill;
int saved_precision;
int saved_width;
Format fmt;
void process();
void process_flag();
public:
Print(std::ostream &stream, const std::string &format);
Print(std::ostream &stream, const char *format);
~Print();
int
get_number(int data)
{
return data;
}
template <typename T>
int
get_number(const T& data)
{
return 0;
}
template <typename T>
void
add_arg(const T &data)
{
if (!cont)
process();
if (fmt.get_width) {
fmt.get_width = false;
cont = true;
fmt.width = get_number(data);
return;
}
if (fmt.get_precision) {
fmt.get_precision = false;
cont = true;
fmt.precision = get_number(data);
return;
}
switch (fmt.format) {
case Format::character:
format_char(stream, data, fmt);
break;
case Format::integer:
format_integer(stream, data, fmt);
break;
case Format::floating:
format_float(stream, data, fmt);
break;
case Format::string:
format_string(stream, data, fmt);
break;
default:
stream << "<bad format>";
break;
}
}
void end_args();
};
} // namespace cp
inline void
ccprintf(cp::Print &print)
{
print.end_args();
}
template<typename T, typename ...Args> void
ccprintf(cp::Print &print, const T &value, const Args &...args)
{
print.add_arg(value);
ccprintf(print, args...);
}
template<typename ...Args> void
ccprintf(std::ostream &stream, const char *format, const Args &...args)
{
cp::Print print(stream, format);
ccprintf(print, args...);
}
template<typename ...Args> void
cprintf(const char *format, const Args &...args)
{
ccprintf(std::cout, format, args...);
}
template<typename ...Args> std::string
csprintf(const char *format, const Args &...args)
{
std::stringstream stream;
ccprintf(stream, format, args...);
return stream.str();
}
/*
* functions again with std::string. We have both so we don't waste
* time converting const char * to std::string since we don't take
* advantage of it.
*/
template<typename ...Args> void
ccprintf(std::ostream &stream, const std::string &format, const Args &...args)
{
ccprintf(stream, format.c_str(), args...);
}
template<typename ...Args> void
cprintf(const std::string &format, const Args &...args)
{
ccprintf(std::cout, format.c_str(), args...);
}
template<typename ...Args> std::string
csprintf(const std::string &format, const Args &...args)
{
return csprintf(format.c_str(), args...);
}
#endif // __CPRINTF_HH__