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SqMod/vendor/POCO/Foundation/include/Poco/NumberParser.h
Sandu Liviu Catalin 4a6bfc086c Major plugin refactor and cleanup.
Switched to POCO library for unified platform/library interface.
Deprecated the external module API. It was creating more problems than solving.
Removed most built-in libraries in favor of system libraries for easier maintenance.
Cleaned and secured code with help from static analyzers.
2021-01-30 08:51:39 +02:00

157 lines
6.6 KiB
C++

//
// NumberParser.h
//
// Library: Foundation
// Package: Core
// Module: NumberParser
//
// Definition of the NumberParser class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Foundation_NumberParser_INCLUDED
#define Foundation_NumberParser_INCLUDED
#include "Poco/Foundation.h"
#include <string>
#undef min
#undef max
#include <limits>
namespace Poco {
class Foundation_API NumberParser
/// The NumberParser class provides static methods
/// for parsing numbers out of strings.
///
/// Note that leading or trailing whitespace is not allowed
/// in the string. Poco::trim() or Poco::trimInPlace()
/// can be used to remove leading or trailing whitespace.
{
public:
static const unsigned short NUM_BASE_OCT = 010;
static const unsigned short NUM_BASE_DEC = 10;
static const unsigned short NUM_BASE_HEX = 0x10;
static int parse(const std::string& s, char thousandSeparator = ',');
/// 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, char thousandSeparator = ',');
/// Parses an integer value in decimal notation from the given string.
/// Returns true if a valid integer has been found, false otherwise.
/// If parsing was not successful, value is undefined.
static unsigned parseUnsigned(const std::string& s, char thousandSeparator = ',');
/// 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, char thousandSeparator = ',');
/// Parses an unsigned integer value in decimal notation from the given string.
/// Returns true if a valid integer has been found, false otherwise.
/// If parsing was not successful, value is undefined.
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 parsing was not successful, value is undefined.
static unsigned parseOct(const std::string& s);
/// Parses an integer value in octal notation from the given string.
/// Throws a SyntaxException if the string does not hold a number in
/// hexadecimal notation.
static bool tryParseOct(const std::string& s, unsigned& value);
/// Parses an unsigned integer value in octal notation from the given string.
/// Returns true if a valid integer has been found, false otherwise.
/// If parsing was not successful, value is undefined.
#if defined(POCO_HAVE_INT64)
static Int64 parse64(const std::string& s, char thousandSeparator = ',');
/// 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, char thousandSeparator = ',');
/// Parses a 64-bit integer value in decimal notation from the given string.
/// Returns true if a valid integer has been found, false otherwise.
/// If parsing was not successful, value is undefined.
static UInt64 parseUnsigned64(const std::string& s, char thousandSeparator = ',');
/// 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, char thousandSeparator = ',');
/// 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.
/// If parsing was not successful, value is undefined.
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.
/// If parsing was not successful, value is undefined.
static UInt64 parseOct64(const std::string& s);
/// Parses a 64 bit-integer value in octal notation from the given string.
/// Throws a SyntaxException if the string does not hold a number in hexadecimal notation.
static bool tryParseOct64(const std::string& s, UInt64& value);
/// Parses an unsigned 64-bit integer value in octal notation from the given string.
/// Returns true if a valid integer has been found, false otherwise.
/// If parsing was not successful, value is undefined.
#endif // defined(POCO_HAVE_INT64)
static double parseFloat(const std::string& s, char decimalSeparator = '.', char thousandSeparator = ',');
/// 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 decimal notation.
static bool tryParseFloat(const std::string& s, double& value, char decimalSeparator = '.', char thousandSeparator = ',');
/// 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.
/// If parsing was not successful, value is undefined.
static bool parseBool(const std::string& s);
/// Parses a bool value in decimal or string notation
/// from the given string.
/// Valid forms are: "0", "1", "true", "on", false", "yes", "no", "off".
/// String forms are NOT case sensitive.
/// Throws a SyntaxException if the string does not hold a valid bool number
static bool tryParseBool(const std::string& s, bool& value);
/// Parses a bool value in decimal or string notation
/// from the given string.
/// Valid forms are: "0", "1", "true", "on", false", "yes", "no", "off".
/// String forms are NOT case sensitive.
/// Returns true if a valid bool number has been found,
/// false otherwise.
/// If parsing was not successful, value is undefined.
};
} // namespace Poco
#endif // Foundation_NumberParser_INCLUDED