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89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
// ***************************************************************** -*- C++ -*-
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/*
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* Copyright (C) 2004-2021 Exiv2 authors
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* This program is part of the Exiv2 distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string>
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#include "error.hpp"
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/*!
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* @brief Ensure that condition is true, otherwise throw an exception of the
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* type exception_t
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*
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* @tparam exception_t Exception type that is thrown, must provide a
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* constructor that accepts a single argument to which arg1 is forwarded.
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*
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* @todo once we have C++>=11 use variadic templates and std::forward to remove
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* all overloads of enforce
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*/
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template <typename exception_t, typename T>
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inline void enforce(bool condition, const T& arg1)
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{
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if (!condition) {
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throw exception_t(arg1);
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}
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}
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/*!
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* @brief Ensure that condition is true, otherwise throw an Exiv2::Error with
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* the given error_code.
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*/
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inline void enforce(bool condition, Exiv2::ErrorCode err_code)
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{
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if (!condition) {
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throw Exiv2::Error(err_code);
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}
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}
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/*!
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* @brief Ensure that condition is true, otherwise throw an Exiv2::Error with
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* the given error_code & arg1.
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*/
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template <typename T>
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inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1)
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{
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if (!condition) {
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throw Exiv2::Error(err_code, arg1);
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}
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}
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/*!
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* @brief Ensure that condition is true, otherwise throw an Exiv2::Error with
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* the given error_code, arg1 & arg2.
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*/
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template <typename T, typename U>
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inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1, const U& arg2)
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{
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if (!condition) {
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throw Exiv2::Error(err_code, arg1, arg2);
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}
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}
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/*!
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* @brief Ensure that condition is true, otherwise throw an Exiv2::Error with
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* the given error_code, arg1, arg2 & arg3.
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*/
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template <typename T, typename U, typename V>
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inline void enforce(bool condition, Exiv2::ErrorCode err_code, const T& arg1, const U& arg2, const V& arg3)
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{
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if (!condition) {
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throw Exiv2::Error(err_code, arg1, arg2, arg3);
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}
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}
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