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704 lines
22 KiB
C++
704 lines
22 KiB
C++
//
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// NumberFormatter.h
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//
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// $Id: //poco/1.4/Foundation/include/Poco/NumberFormatter.h#1 $
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//
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// Library: Foundation
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// Package: Core
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// Module: NumberFormatter
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//
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// Definition of the NumberFormatter class.
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//
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// Copyright (c) 2004-2008, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_NumberFormatter_INCLUDED
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#define Foundation_NumberFormatter_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/NumericString.h"
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namespace Poco {
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class Foundation_API NumberFormatter
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/// The NumberFormatter class provides static methods
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/// for formatting numeric values into strings.
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///
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/// There are two kind of static member functions:
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/// * format* functions return a std::string containing
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/// the formatted value.
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/// * append* functions append the formatted value to
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/// an existing string.
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{
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public:
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enum BoolFormat
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{
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FMT_TRUE_FALSE,
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FMT_YES_NO,
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FMT_ON_OFF
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};
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static const unsigned NF_MAX_NUM_STRING_SIZE = 32;
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static std::string format(int value);
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/// Formats an integer value in decimal notation.
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static std::string format(int value, int width);
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/// Formats an integer value in decimal notation,
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/// right justified in a field having at least
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/// the specified width.
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static std::string format0(int value, int width);
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/// Formats an integer value in decimal notation,
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/// right justified and zero-padded in a field
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/// having at least the specified width.
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static std::string formatHex(int value, bool prefix = false);
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/// Formats an int value in hexadecimal notation.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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/// The value is treated as unsigned.
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static std::string formatHex(int value, int width, bool prefix = false);
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/// Formats a int value in hexadecimal notation,
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/// right justified and zero-padded in
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/// a field having at least the specified width.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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/// The value is treated as unsigned.
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static std::string format(unsigned value);
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/// Formats an unsigned int value in decimal notation.
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static std::string format(unsigned value, int width);
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/// Formats an unsigned long int in decimal notation,
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/// right justified in a field having at least the
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/// specified width.
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static std::string format0(unsigned int value, int width);
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/// Formats an unsigned int value in decimal notation,
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/// right justified and zero-padded in a field having at
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/// least the specified width.
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static std::string formatHex(unsigned value, bool prefix = false);
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/// Formats an unsigned int value in hexadecimal notation.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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static std::string formatHex(unsigned value, int width, bool prefix = false);
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/// Formats a int value in hexadecimal notation,
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/// right justified and zero-padded in
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/// a field having at least the specified width.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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static std::string format(long value);
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/// Formats a long value in decimal notation.
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static std::string format(long value, int width);
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/// Formats a long value in decimal notation,
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/// right justified in a field having at least the
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/// specified width.
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static std::string format0(long value, int width);
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/// Formats a long value in decimal notation,
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/// right justified and zero-padded in a field
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/// having at least the specified width.
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static std::string formatHex(long value, bool prefix = false);
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/// Formats an unsigned long value in hexadecimal notation.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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/// The value is treated as unsigned.
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static std::string formatHex(long value, int width, bool prefix = false);
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/// Formats an unsigned long value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least the
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/// specified width.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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/// The value is treated as unsigned.
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static std::string format(unsigned long value);
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/// Formats an unsigned long value in decimal notation.
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static std::string format(unsigned long value, int width);
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/// Formats an unsigned long value in decimal notation,
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/// right justified in a field having at least the specified
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/// width.
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static std::string format0(unsigned long value, int width);
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/// Formats an unsigned long value in decimal notation,
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/// right justified and zero-padded
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/// in a field having at least the specified width.
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static std::string formatHex(unsigned long value, bool prefix = false);
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/// Formats an unsigned long value in hexadecimal notation.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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static std::string formatHex(unsigned long value, int width, bool prefix = false);
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/// Formats an unsigned long value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least the
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/// specified width.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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#if defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT)
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static std::string format(Int64 value);
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/// Formats a 64-bit integer value in decimal notation.
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static std::string format(Int64 value, int width);
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/// Formats a 64-bit integer value in decimal notation,
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/// right justified in a field having at least the specified width.
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static std::string format0(Int64 value, int width);
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/// Formats a 64-bit integer value in decimal notation,
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/// right justified and zero-padded in a field having at least
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/// the specified width.
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static std::string formatHex(Int64 value, bool prefix = false);
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/// Formats a 64-bit integer value in hexadecimal notation.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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/// The value is treated as unsigned.
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static std::string formatHex(Int64 value, int width, bool prefix = false);
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/// Formats a 64-bit integer value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least
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/// the specified width.
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/// The value is treated as unsigned.
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/// If prefix is true, "0x" prefix is prepended to the resulting string.
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static std::string format(UInt64 value);
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/// Formats an unsigned 64-bit integer value in decimal notation.
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static std::string format(UInt64 value, int width);
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/// Formats an unsigned 64-bit integer value in decimal notation,
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/// right justified in a field having at least the specified width.
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static std::string format0(UInt64 value, int width);
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/// Formats an unsigned 64-bit integer value in decimal notation,
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/// right justified and zero-padded in a field having at least the
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/// specified width.
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static std::string formatHex(UInt64 value, bool prefix = false);
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/// Formats a 64-bit integer value in hexadecimal notation.
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/// If prefix is true, "0x" prefix is prepended to the
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/// resulting string.
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static std::string formatHex(UInt64 value, int width, bool prefix = false);
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/// Formats a 64-bit integer value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least
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/// the specified width. If prefix is true, "0x" prefix is
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/// prepended to the resulting string.
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#endif // defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT)
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static std::string format(float value);
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/// Formats a float value in decimal floating-point notation,
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/// according to std::printf's %g format with a precision of 8 fractional digits.
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static std::string format(double value);
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/// Formats a double value in decimal floating-point notation,
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/// according to std::printf's %g format with a precision of 16 fractional digits.
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static std::string format(double value, int precision);
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/// Formats a double value in decimal floating-point notation,
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/// according to std::printf's %f format with the given precision.
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static std::string format(double value, int width, int precision);
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/// Formats a double value in decimal floating-point notation,
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/// right justified in a field of the specified width,
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/// with the number of fractional digits given in precision.
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static std::string format(const void* ptr);
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/// Formats a pointer in an eight (32-bit architectures) or
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/// sixteen (64-bit architectures) characters wide
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/// field in hexadecimal notation.
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static std::string format(bool value, BoolFormat format = FMT_TRUE_FALSE);
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/// Formats a bool value in decimal/text notation,
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/// according to format parameter.
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static void append(std::string& str, int value);
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/// Formats an integer value in decimal notation.
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static void append(std::string& str, int value, int width);
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/// Formats an integer value in decimal notation,
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/// right justified in a field having at least
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/// the specified width.
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static void append0(std::string& str, int value, int width);
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/// Formats an integer value in decimal notation,
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/// right justified and zero-padded in a field
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/// having at least the specified width.
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static void appendHex(std::string& str, int value);
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/// Formats an int value in hexadecimal notation.
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/// The value is treated as unsigned.
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static void appendHex(std::string& str, int value, int width);
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/// Formats a int value in hexadecimal notation,
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/// right justified and zero-padded in
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/// a field having at least the specified width.
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/// The value is treated as unsigned.
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static void append(std::string& str, unsigned value);
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/// Formats an unsigned int value in decimal notation.
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static void append(std::string& str, unsigned value, int width);
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/// Formats an unsigned long int in decimal notation,
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/// right justified in a field having at least the
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/// specified width.
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static void append0(std::string& str, unsigned int value, int width);
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/// Formats an unsigned int value in decimal notation,
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/// right justified and zero-padded in a field having at
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/// least the specified width.
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static void appendHex(std::string& str, unsigned value);
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/// Formats an unsigned int value in hexadecimal notation.
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static void appendHex(std::string& str, unsigned value, int width);
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/// Formats a int value in hexadecimal notation,
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/// right justified and zero-padded in
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/// a field having at least the specified width.
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static void append(std::string& str, long value);
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/// Formats a long value in decimal notation.
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static void append(std::string& str, long value, int width);
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/// Formats a long value in decimal notation,
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/// right justified in a field having at least the
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/// specified width.
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static void append0(std::string& str, long value, int width);
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/// Formats a long value in decimal notation,
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/// right justified and zero-padded in a field
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/// having at least the specified width.
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static void appendHex(std::string& str, long value);
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/// Formats an unsigned long value in hexadecimal notation.
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/// The value is treated as unsigned.
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static void appendHex(std::string& str, long value, int width);
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/// Formats an unsigned long value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least the
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/// specified width.
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/// The value is treated as unsigned.
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static void append(std::string& str, unsigned long value);
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/// Formats an unsigned long value in decimal notation.
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static void append(std::string& str, unsigned long value, int width);
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/// Formats an unsigned long value in decimal notation,
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/// right justified in a field having at least the specified
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/// width.
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static void append0(std::string& str, unsigned long value, int width);
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/// Formats an unsigned long value in decimal notation,
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/// right justified and zero-padded
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/// in a field having at least the specified width.
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static void appendHex(std::string& str, unsigned long value);
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/// Formats an unsigned long value in hexadecimal notation.
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static void appendHex(std::string& str, unsigned long value, int width);
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/// Formats an unsigned long value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least the
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/// specified width.
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#if defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT)
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static void append(std::string& str, Int64 value);
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/// Formats a 64-bit integer value in decimal notation.
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static void append(std::string& str, Int64 value, int width);
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/// Formats a 64-bit integer value in decimal notation,
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/// right justified in a field having at least the specified width.
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static void append0(std::string& str, Int64 value, int width);
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/// Formats a 64-bit integer value in decimal notation,
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/// right justified and zero-padded in a field having at least
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/// the specified width.
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static void appendHex(std::string& str, Int64 value);
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/// Formats a 64-bit integer value in hexadecimal notation.
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/// The value is treated as unsigned.
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static void appendHex(std::string& str, Int64 value, int width);
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/// Formats a 64-bit integer value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least
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/// the specified width.
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/// The value is treated as unsigned.
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static void append(std::string& str, UInt64 value);
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/// Formats an unsigned 64-bit integer value in decimal notation.
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static void append(std::string& str, UInt64 value, int width);
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/// Formats an unsigned 64-bit integer value in decimal notation,
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/// right justified in a field having at least the specified width.
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static void append0(std::string& str, UInt64 value, int width);
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/// Formats an unsigned 64-bit integer value in decimal notation,
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/// right justified and zero-padded in a field having at least the
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/// specified width.
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static void appendHex(std::string& str, UInt64 value);
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/// Formats a 64-bit integer value in hexadecimal notation.
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static void appendHex(std::string& str, UInt64 value, int width);
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/// Formats a 64-bit integer value in hexadecimal notation,
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/// right justified and zero-padded in a field having at least
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/// the specified width.
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#endif // defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT)
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static void append(std::string& str, float value);
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/// Formats a float value in decimal floating-point notation,
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/// according to std::printf's %g format with a precision of 8 fractional digits.
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static void append(std::string& str, double value);
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/// Formats a double value in decimal floating-point notation,
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/// according to std::printf's %g format with a precision of 16 fractional digits.
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static void append(std::string& str, double value, int precision);
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/// Formats a double value in decimal floating-point notation,
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/// according to std::printf's %f format with the given precision.
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static void append(std::string& str, double value, int width, int precision);
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/// Formats a double value in decimal floating-point notation,
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/// right justified in a field of the specified width,
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/// with the number of fractional digits given in precision.
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static void append(std::string& str, const void* ptr);
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/// Formats a pointer in an eight (32-bit architectures) or
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/// sixteen (64-bit architectures) characters wide
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/// field in hexadecimal notation.
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};
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//
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// inlines
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//
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inline std::string NumberFormatter::format(int value)
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{
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std::string result;
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intToStr(value, 10, result);
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return result;
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}
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inline std::string NumberFormatter::format(int value, int width)
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{
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std::string result;
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intToStr(value, 10, result, false, width, ' ');
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return result;
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}
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inline std::string NumberFormatter::format0(int value, int width)
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{
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std::string result;
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intToStr(value, 10, result, false, width, '0');
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return result;
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}
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inline std::string NumberFormatter::formatHex(int value, bool prefix)
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{
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std::string result;
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intToStr(value, 0x10, result, prefix);
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return result;
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}
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inline std::string NumberFormatter::formatHex(int value, int width, bool prefix)
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{
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std::string result;
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intToStr(value, 0x10, result, prefix, width, '0');
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return result;
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}
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inline std::string NumberFormatter::format(unsigned value)
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{
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std::string result;
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intToStr(value, 10, result);
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return result;
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}
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inline std::string NumberFormatter::format(unsigned value, int width)
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{
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std::string result;
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intToStr(value, 10, result, false, width, ' ');
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return result;
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}
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inline std::string NumberFormatter::format0(unsigned int value, int width)
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{
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std::string result;
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intToStr(value, 10, result, false, width, '0');
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return result;
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}
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inline std::string NumberFormatter::formatHex(unsigned value, bool prefix)
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{
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std::string result;
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intToStr(value, 0x10, result, prefix);
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return result;
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}
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inline std::string NumberFormatter::formatHex(unsigned value, int width, bool prefix)
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{
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std::string result;
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intToStr(value, 0x10, result, prefix, width, '0');
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return result;
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}
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inline std::string NumberFormatter::format(long value)
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{
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std::string result;
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intToStr(value, 10, result);
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return result;
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}
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inline std::string NumberFormatter::format(long value, int width)
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{
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std::string result;
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intToStr(value, 10, result, false, width, ' ');
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return result;
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}
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inline std::string NumberFormatter::format0(long value, int width)
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{
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std::string result;
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intToStr(value, 10, result, false, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(long value, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(long value, int width, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(unsigned long value)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(unsigned long value, int width)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result, false, width, ' ');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format0(unsigned long value, int width)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result, false, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(unsigned long value, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(unsigned long value, int width, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
#if defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT)
|
|
|
|
|
|
inline std::string NumberFormatter::format(Int64 value)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(Int64 value, int width)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result, false, width, ' ');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format0(Int64 value, int width)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result, false, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(Int64 value, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(Int64 value, int width, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(UInt64 value)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(UInt64 value, int width)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result, false, width, ' ');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format0(UInt64 value, int width)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 10, result, false, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(UInt64 value, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::formatHex(UInt64 value, int width, bool prefix)
|
|
{
|
|
std::string result;
|
|
intToStr(value, 0x10, result, prefix, width, '0');
|
|
return result;
|
|
}
|
|
|
|
|
|
#endif // defined(POCO_HAVE_INT64) && !defined(POCO_LONG_IS_64_BIT)
|
|
|
|
|
|
inline std::string NumberFormatter::format(float value)
|
|
{
|
|
std::string result;
|
|
append(result, value);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(double value)
|
|
{
|
|
std::string result;
|
|
append(result, value);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(double value, int precision)
|
|
{
|
|
std::string result;
|
|
append(result, value, precision);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(double value, int width, int precision)
|
|
{
|
|
std::string result;
|
|
append(result, value, width, precision);
|
|
return result;
|
|
}
|
|
|
|
|
|
inline std::string NumberFormatter::format(const void* ptr)
|
|
{
|
|
std::string result;
|
|
append(result, ptr);
|
|
return result;
|
|
}
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_NumberFormatter_INCLUDED
|