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-rw-r--r--base/cprintf_formats.hh353
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diff --git a/base/cprintf_formats.hh b/base/cprintf_formats.hh
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-/*
- * Copyright (c) 2003-2005 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.
- */
-
-#ifndef __CPRINTF_FORMATS_HH__
-#define __CPRINTF_FORMATS_HH__
-
-#include <sstream>
-#include <ostream>
-
-namespace cp {
-
-struct Format
-{
- bool alternate_form;
- bool flush_left;
- bool print_sign;
- bool blank_space;
- bool fill_zero;
- bool uppercase;
- enum { dec, hex, oct } base;
- enum { none, string, integer, character, floating } format;
- enum { best, fixed, scientific } float_format;
- int precision;
- int width;
-
- Format() { clear(); }
-
- void clear()
- {
- alternate_form = false;
- flush_left = false;
- print_sign = false;
- blank_space = false;
- fill_zero = false;
- uppercase = false;
- base = dec;
- format = none;
- precision = -1;
- width = 0;
- }
-};
-
-template <typename T>
-inline void
-_format_char(std::ostream &out, const T &data, Format &fmt)
-{
- using namespace std;
-
- out << data;
-}
-
-template <typename T>
-inline void
-_format_integer(std::ostream &out, const T &data, Format &fmt)
-{
- using namespace std;
-
- switch (fmt.base) {
- case Format::hex:
- out.setf(ios::hex, ios::basefield);
- break;
-
- case Format::oct:
- out.setf(ios::oct, ios::basefield);
- break;
-
- case Format::dec:
- out.setf(ios::dec, ios::basefield);
- break;
- }
-
- if (fmt.alternate_form) {
- if (!fmt.fill_zero)
- out.setf(ios::showbase);
- else {
- switch (fmt.base) {
- case Format::hex:
- out << "0x";
- fmt.width -= 2;
- break;
- case Format::oct:
- out << "0";
- fmt.width -= 1;
- break;
- case Format::dec:
- break;
- }
- }
- }
-
- if (fmt.fill_zero)
- out.fill('0');
-
- if (fmt.width > 0)
- out.width(fmt.width);
-
- if (fmt.flush_left && !fmt.fill_zero)
- out.setf(ios::left);
-
- if (fmt.print_sign)
- out.setf(ios::showpos);
-
- if (fmt.uppercase)
- out.setf(ios::uppercase);
-
- out << data;
-}
-
-template <typename T>
-inline void
-_format_float(std::ostream &out, const T &data, Format &fmt)
-{
- using namespace std;
-
- switch (fmt.float_format) {
- case Format::scientific:
- if (fmt.precision != -1) {
- if (fmt.width > 0)
- out.width(fmt.width);
-
- if (fmt.precision == 0)
- fmt.precision = 1;
- else
- out.setf(ios::scientific);
-
- out.precision(fmt.precision);
- } else
- if (fmt.width > 0)
- out.width(fmt.width);
-
- if (fmt.uppercase)
- out.setf(ios::uppercase);
- break;
-
- case Format::fixed:
- if (fmt.precision != -1) {
- if (fmt.width > 0)
- out.width(fmt.width);
-
- out.setf(ios::fixed);
- out.precision(fmt.precision);
- } else
- if (fmt.width > 0)
- out.width(fmt.width);
-
- break;
-
- default:
- if (fmt.precision != -1)
- out.precision(fmt.precision);
-
- if (fmt.width > 0)
- out.width(fmt.width);
-
- break;
- }
-
- out << data;
-}
-
-template <typename T>
-inline void
-_format_string(std::ostream &out, const T &data, Format &fmt)
-{
- using namespace std;
-
-#if defined(__GNUC__) && (__GNUC__ < 3) || 1
- if (fmt.width > 0) {
- std::stringstream foo;
- foo << data;
- int flen = foo.str().size();
-
- if (fmt.width > flen) {
- char *spaces = new char[fmt.width - flen + 1];
- memset(spaces, ' ', fmt.width - flen);
- spaces[fmt.width - flen] = 0;
-
- if (fmt.flush_left)
- out << foo.str() << spaces;
- else
- out << spaces << foo.str();
-
- delete [] spaces;
- } else
- out << data;
- } else
- out << data;
-#else
- if (fmt.width > 0)
- out.width(fmt.width);
- if (fmt.flush_left)
- out.setf(ios::left);
-
- out << data;
-#endif
-}
-
-/////////////////////////////////////////////////////////////////////////////
-//
-// The code below controls the actual usage of formats for various types
-//
-
-//
-// character formats
-//
-template <typename T>
-inline void
-format_char(std::ostream &out, const T &data, Format &fmt)
-{ out << "<bad arg type for char format>"; }
-
-inline void
-format_char(std::ostream &out, char data, Format &fmt)
-{ _format_char(out, data, fmt); }
-
-inline void
-format_char(std::ostream &out, unsigned char data, Format &fmt)
-{ _format_char(out, data, fmt); }
-
-inline void
-format_char(std::ostream &out, signed char data, Format &fmt)
-{ _format_char(out, data, fmt); }
-
-inline void
-format_char(std::ostream &out, short data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, unsigned short data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, int data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, unsigned int data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, long data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, unsigned long data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, long long data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-inline void
-format_char(std::ostream &out, unsigned long long data, Format &fmt)
-{ _format_char(out, (char)data, fmt); }
-
-//
-// integer formats
-//
-template <typename T>
-inline void
-format_integer(std::ostream &out, const T &data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, char data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, unsigned char data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, signed char data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-#if 0
-inline void
-format_integer(std::ostream &out, short data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, unsigned short data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, int data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, unsigned int data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, long data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, unsigned long data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, long long data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-inline void
-format_integer(std::ostream &out, unsigned long long data, Format &fmt)
-{ _format_integer(out, data, fmt); }
-#endif
-
-//
-// floating point formats
-//
-template <typename T>
-inline void
-format_float(std::ostream &out, const T &data, Format &fmt)
-{ out << "<bad arg type for float format>"; }
-
-inline void
-format_float(std::ostream &out, float data, Format &fmt)
-{ _format_float(out, data, fmt); }
-
-inline void
-format_float(std::ostream &out, double data, Format &fmt)
-{ _format_float(out, data, fmt); }
-
-//
-// string formats
-//
-template <typename T>
-inline void
-format_string(std::ostream &out, const T &data, Format &fmt)
-{ _format_string(out, data, fmt); }
-
-inline void
-format_string(std::ostream &out, const std::stringstream &data, Format &fmt)
-{ _format_string(out, data.str(), fmt); }
-
-} // namespace cp
-
-#endif // __CPRINTF_FORMATS_HH__
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