1 /* 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Martin Hentschel <info@cl-soft.de> 30 * 31 */ 32 33 using System; 34 35 namespace LwipSnmpCodeGeneration 36 { 37 public interface IRestriction 38 { GetCheckCodeValid(string varNameToCheck)39 string GetCheckCodeValid(string varNameToCheck); GetCheckCodeInvalid(string varNameToCheck)40 string GetCheckCodeInvalid(string varNameToCheck); 41 } 42 43 public class BitMaskRestriction : IRestriction 44 { 45 UInt32 mask; 46 BitMaskRestriction(UInt32 mask)47 public BitMaskRestriction(UInt32 mask) 48 { 49 this.mask = mask; 50 } 51 GetCheckCodeValid(string varNameToCheck)52 public string GetCheckCodeValid(string varNameToCheck) 53 { 54 return String.Format("(({0} & {1}) == {0})", varNameToCheck, this.mask); 55 } 56 GetCheckCodeInvalid(string varNameToCheck)57 public string GetCheckCodeInvalid(string varNameToCheck) 58 { 59 return String.Format("(({0} & {1}) != {0})", varNameToCheck, this.mask); 60 } 61 } 62 63 public class IsEqualRestriction : IRestriction 64 { 65 private Int64 value; 66 IsEqualRestriction(Int64 value)67 public IsEqualRestriction(Int64 value) 68 { 69 this.value = value; 70 } 71 72 public long Value 73 { 74 get { return value; } 75 } 76 GetCheckCodeValid(string varNameToCheck)77 public string GetCheckCodeValid(string varNameToCheck) 78 { 79 return String.Format("({0} == {1})", varNameToCheck, this.value); 80 } 81 GetCheckCodeInvalid(string varNameToCheck)82 public string GetCheckCodeInvalid(string varNameToCheck) 83 { 84 return String.Format("({0} != {1})", varNameToCheck, this.value); 85 } 86 } 87 88 public class IsInRangeRestriction : IRestriction 89 { 90 private Int64 rangeStart; 91 private Int64 rangeEnd; 92 IsInRangeRestriction(Int64 rangeStart, Int64 rangeEnd)93 public IsInRangeRestriction(Int64 rangeStart, Int64 rangeEnd) 94 { 95 this.rangeStart = rangeStart; 96 this.rangeEnd = rangeEnd; 97 } 98 99 public long RangeStart 100 { 101 get { return this.rangeStart; } 102 } 103 104 public long RangeEnd 105 { 106 get { return this.rangeEnd; } 107 } 108 GetCheckCodeValid(string varNameToCheck)109 public string GetCheckCodeValid(string varNameToCheck) 110 { 111 return String.Format("(({0} >= {1}) && ({0} <= {2}))", varNameToCheck, this.rangeStart, this.rangeEnd); 112 } 113 GetCheckCodeInvalid(string varNameToCheck)114 public string GetCheckCodeInvalid(string varNameToCheck) 115 { 116 return String.Format("(({0} < {1}) || ({0} > {2}))", varNameToCheck, this.rangeStart, this.rangeEnd); 117 } 118 } 119 120 } 121