C # code generation (4) -- Code128Auto

Code128Auto is the minimum length of code written in full compliance with the GBT 18347-2001 128 bar code above.

/// <Summary> /// Code128Auto bar code, following the minimum length principle // </summary> public class Code128Auto: absCode128 {public Code128Auto (string rawData): base (rawData) {} protected override bool RawDataCheck () {// the ASCII code range of Code128 is 0 ~ 127 foreach (char c in this. _ rawData) {if (byte) c> 127) {return false ;}} return true;} protected override string GetEncodedData () {StringBuilder tempBuilder = new StringBuilder (); characterSet nowCharacterSet = Code128.GetCharacterSet (this. _ rawData, 0); int checkNum; // check character switch (nowCharacterSet) {case CharacterSet. a: tempBuilder. append (Code128.BSList [Code128.StartA]); // Add the start character StartA checkN Um = Code128.StartA; break; case CharacterSet. b: tempBuilder. append (Code128.BSList [Code128.StartB]); // Add the start character StartB checkNum = Code128.StartB; break; default: tempBuilder. append (Code128.BSList [Code128.StartC]); // Add the start character StartC checkNum = Code128.StartC; break;} int nowWeight = 1, nowIndex = 0; this. getEncodedData (tempBuilder, nowCharacterSet, ref nowIndex, ref nowWeight, ref checkNum); checkNum %= 103; TempBuilder. append (Code128.BSList [checkNum]); // Add the verification character tempBuilder. append (Code128.BSList [Code128.Stop]); // Add the terminator return tempBuilder. toString ();} /// <summary> /// general method /// </summary> /// <param name = "tempBuilder"> </param> /// <param name = "sIndex"> </param> // <param name = "nowWeight"> </param> // <param name = "checkNum"> </param> private void encodingCommon (StringBuilder tempBuilder, byte sIndex, ref Int nowWeight, ref int checkNum) {tempBuilder. append (Code128.BSList [sIndex]); checkNum + = nowWeight * sIndex; nowWeight ++ ;} /// <summary> /// get the encoded data /// </summary> /// <param name = "tempBuilder"> encode the data container </param>/ // <param name = "nowCharacterSet"> Current Character Set </param> // <param name = "I"> string index </param> /// <param name = "nowWeight"> current weight </param> /// <param name = "checkNum"> sum of current checked values </param> private void GetEnco DedData (StringBuilder tempBuilder, CharacterSet nowCharacterSet, ref int I, ref int nowWeight, ref int checkNum) {// because character set C may exist, there may be inconsistency between I and nowWeight, therefore, we need to define byte sIndex; switch (nowCharacterSet) {case CharacterSet. a: case CharacterSet. b: for (; I <this. _ rawData. length; I ++) {if (char. isDigit (this. _ rawData [I]) {// number int digitLength = Code128.GetDigitLength (this. _ rawData, I); if (digitLength> = 4) {// transfer to CodeC if (digitLength % 2! = 0) {// odd digit number. After the first digit, insert the CodeC character sIndex = Code128.GetSIndex (nowCharacterSet, (this. _ rawData [I]); this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); I ++;} nowCharacterSet = CharacterSet. c; sIndex = Code128.GetCodeXIndex (nowCharacterSet); // Insert the CodeC switching character this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); this. getEncodedData (tempBuilder, nowCharacterSet, ref I, re F nowWeight, ref checkNum); return;} else {// if it is less than four digits, the internal loop ends directly for (int j = 0; j <digitLength; j ++) {sIndex = Code128.GetSIndex (nowCharacterSet, (this. _ rawData [I]); this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); I ++;} I --; // After the above loop ends, it will cause I to add 1 more, so we need to subtract 1 continue;} else if (code128.charnotbelonsto (nowCharacterSet, this. _ rawData [I]) {// The current character does not belong to the Current Character Set byte tempByte = Code128.GetProprietaryChar (this. _ rawData, I + 1); // obtain the character set CharacterSet tempCharacterSet = character (nowCharacterSet) that belongs to a or B after the current character. if (tempByte! = Byte. maxValue & code128.charonlybelonsto (nowCharacterSet, (char) tempByte) {// Add the conversion character sIndex = Code128.SHIFT _ AB; this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); sIndex = Code128.GetSIndex (tempCharacterSet, this. _ rawData [I]); this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); continue;} else {// Add the switch operator nowCharacterSet = tempCharacterSet; sIndex = Code128. GetCodeXIndex (nowCharacterSet); this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); this. getEncodedData (tempBuilder, nowCharacterSet, ref I, ref nowWeight, ref checkNum); return ;}} else {sIndex = Code128.GetSIndex (nowCharacterSet, this. _ rawData [I]); this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum) ;}} break; default: for (; I <this. _ rawData. length; I + = 2) {if (I! = This. _ rawData. length-1 & char. isDigit (this. _ rawData, I) & char. isDigit (this. _ rawData, I + 1) {sIndex = byte. parse (this. _ rawData. substring (I, 2); this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum);} else {nowCharacterSet = Code128.GetCharacterSet (this. _ rawData, I); // Insert the conversion character sIndex = Code128.GetCodeXIndex (nowCharacterSet); this. encodingCommon (tempBuilder, sIndex, ref now Weight, ref checkNum); this. getEncodedData (tempBuilder, nowCharacterSet, ref I, ref nowWeight, ref checkNum); return ;}} break ;}# region logout/private void GetEncodedData (StringBuilder tempBuilder, string data, characterSet nowCharacterSet, ref int nowWeight, ref int checkNum) // {// byte sIndex, nowChar; // switch (nowCharacterSet) // {// case CharacterSet. a: // for (int I = 0; I <data. lengt H; I ++) // {// nowChar = (byte) data [I]; // if (nowChar> 95) /// {// Character Set B // byte tempByte = Code128.GetProprietaryChar (data, I + 1); // if (tempByte <32) // {// Add the conversion character // sIndex = Code128.SHIFT _ AB; // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // sIndex = Code128.GetSIndexFromB (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum );// Continue; //} // else // {// Add the toggle // sIndex = Code128.CODEB _ AC; // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // this. getEncodedData (tempBuilder, data. substring (I), CharacterSet. b, ref nowWeight, ref checkNum); // return; //} // else if (char. isDigit (data [I]) // {// number // int digitLength = Code128.GetDigitLength (data, I); // if (digitLength> = 4) //{// // Transfer to CodeC // if (digitLength % 2! = 0) // {// odd digit number, insert the CodeC character after the first digit // sIndex = Code128.GetSIndexFromA (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // I ++; //} // sIndex = Code128.CODEC _ AB; // Insert the CodeC switching character // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // this. getEncodedData (tempBuilder, data. substring (I), CharacterSet. c, ref nowWeight, ref checkNum); // return ;//} // Else // {// for (int j = 0; j <digitLength; j ++) // {// sIndex = Code128.GetSIndexFromA (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); I ++; //} I --; // continue; ///} // sIndex = Code128.GetSIndexFromA (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // break; // case CharacterSet. b: // for (int I = 0; I <data. Length; I ++) // {// nowChar = (byte) data [I]; // if (nowChar <32) /// {// character set A // byte tempByte = Code128.GetProprietaryChar (data, I + 1); // if (tempByte> 95) // {// Add the conversion character // sIndex = Code128.SHIFT _ AB; // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // sIndex = Code128.GetSIndexFromA (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum ); // Continue; // else // {// Add the toggle // sIndex = Code128.CODEA _ BC; // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // this. getEncodedData (tempBuilder, data. substring (I), CharacterSet. b, ref nowWeight, ref checkNum); // return; //} // else if (char. isDigit (data [I]) // {// number // int digitLength = Code128.GetDigitLength (data, I); // if (digitLength> = 4 )// {// Transfer to CodeC // if (digitLength % 2! = 0) // {// odd digit number, insert the CodeC character after the first digit // sIndex = Code128.GetSIndexFromB (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // I ++; //} // sIndex = Code128.CODEC _ AB; // Insert the CodeC switching character // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // this. getEncodedData (tempBuilder, data. substring (I), CharacterSet. c, ref nowWeight, ref checkNum); // return ;//} // Else // {// for (int j = 0; j <digitLength; j ++) // {// sIndex = Code128.GetSIndexFromB (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); I ++; //} I --; // continue; ///} // sIndex = Code128.GetSIndexFromB (data [I]); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); //} // break; // default: // for (int I = 0; I <data. length; I + = 2) // {// if (I! = Data. length-1 & char. isDigit (data, I) & char. isDigit (data, I + 1) // {// sIndex = byte. parse (data. substring (I, 2); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); //} // else // {// nowCharacterSet = Code128.GetCharacterSet (data, I ); //// Insert the conversion character // sIndex = Code128.GetCodeXIndex (nowCharacterSet); // this. encodingCommon (tempBuilder, sIndex, ref nowWeight, ref checkNum); // this. getEncodedData (tempBuilder, data. substring (I), nowCharacterSet, ref nowWeight, ref checkNum); // return; //} // break; //} # endregion}

The logout part is the first way to get the encoding.