mirror of
https://github.com/pocoproject/poco.git
synced 2024-12-13 18:45:10 +01:00
125 lines
5.1 KiB
C++
125 lines
5.1 KiB
C++
//
|
|
// NumberParser.h
|
|
//
|
|
// $Id: //poco/1.3/Foundation/include/Poco/NumberParser.h#1 $
|
|
//
|
|
// Library: Foundation
|
|
// Package: Core
|
|
// Module: NumberParser
|
|
//
|
|
// Definition of the NumberParser class.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
|
|
#ifndef Foundation_NumberParser_INCLUDED
|
|
#define Foundation_NumberParser_INCLUDED
|
|
|
|
|
|
#include "Poco/Foundation.h"
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
class Foundation_API NumberParser
|
|
/// The NumberParser class provides static methods
|
|
/// for parsing numbers out of strings.
|
|
{
|
|
public:
|
|
static int parse(const std::string& s);
|
|
/// Parses an integer value in decimal notation from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a number in decimal notation.
|
|
|
|
static bool tryParse(const std::string& s, int& value);
|
|
/// Parses an integer value in decimal notation from the given string.
|
|
/// Returns true if a valid integer has been found, false otherwise.
|
|
|
|
static unsigned parseUnsigned(const std::string& s);
|
|
/// Parses an unsigned integer value in decimal notation from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a number in decimal notation.
|
|
|
|
static bool tryParseUnsigned(const std::string& s, unsigned& value);
|
|
/// Parses an unsigned integer value in decimal notation from the given string.
|
|
/// Returns true if a valid integer has been found, false otherwise.
|
|
|
|
static unsigned parseHex(const std::string& s);
|
|
/// Parses an integer value in hexadecimal notation from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a number in
|
|
/// hexadecimal notation.
|
|
|
|
static bool tryParseHex(const std::string& s, unsigned& value);
|
|
/// Parses an unsigned integer value in hexadecimal notation from the given string.
|
|
/// Returns true if a valid integer has been found, false otherwise.
|
|
|
|
#if defined(POCO_HAVE_INT64)
|
|
|
|
static Int64 parse64(const std::string& s);
|
|
/// Parses a 64-bit integer value in decimal notation from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a number in decimal notation.
|
|
|
|
static bool tryParse64(const std::string& s, Int64& value);
|
|
/// Parses a 64-bit integer value in decimal notation from the given string.
|
|
/// Returns true if a valid integer has been found, false otherwise.
|
|
|
|
static UInt64 parseUnsigned64(const std::string& s);
|
|
/// Parses an unsigned 64-bit integer value in decimal notation from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a number in decimal notation.
|
|
|
|
static bool tryParseUnsigned64(const std::string& s, UInt64& value);
|
|
/// Parses an unsigned 64-bit integer value in decimal notation from the given string.
|
|
/// Returns true if a valid integer has been found, false otherwise.
|
|
|
|
static UInt64 parseHex64(const std::string& s);
|
|
/// Parses a 64 bit-integer value in hexadecimal notation from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a number in hexadecimal notation.
|
|
|
|
static bool tryParseHex64(const std::string& s, UInt64& value);
|
|
/// Parses an unsigned 64-bit integer value in hexadecimal notation from the given string.
|
|
/// Returns true if a valid integer has been found, false otherwise.
|
|
|
|
#endif // defined(POCO_HAVE_INT64)
|
|
|
|
static double parseFloat(const std::string& s);
|
|
/// Parses a double value in decimal floating point notation
|
|
/// from the given string.
|
|
/// Throws a SyntaxException if the string does not hold a floating-point
|
|
/// number in hexadecimal notation.
|
|
|
|
static bool tryParseFloat(const std::string& s, double& value);
|
|
/// Parses a double value in decimal floating point notation
|
|
/// from the given string.
|
|
/// Returns true if a valid floating point number has been found,
|
|
/// false otherwise.
|
|
};
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_NumberParser_INCLUDED
|