text: "use strict";
  Object.defineProperty(exports, "__esModule", { value: true });
  var DecoderResult_1 = require("../../common/DecoderResult");
  var BitSource_1 = require("../../common/BitSource");
  var StringBuilder_1 = require("../../util/StringBuilder");
  var StringEncoding_1 = require("../../util/StringEncoding");
  var __1 = require("../../..");
  var FormatException_1 = require("../../FormatException");
  var IllegalStateException_1 = require("../../IllegalStateException");
  /*
   * Copyright 2008 ZXing authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  var Mode;
  (function (Mode) {
      Mode[Mode["PAD_ENCODE"] = 0] = "PAD_ENCODE";
      Mode[Mode["ASCII_ENCODE"] = 1] = "ASCII_ENCODE";
      Mode[Mode["C40_ENCODE"] = 2] = "C40_ENCODE";
      Mode[Mode["TEXT_ENCODE"] = 3] = "TEXT_ENCODE";
      Mode[Mode["ANSIX12_ENCODE"] = 4] = "ANSIX12_ENCODE";
      Mode[Mode["EDIFACT_ENCODE"] = 5] = "EDIFACT_ENCODE";
      Mode[Mode["BASE256_ENCODE"] = 6] = "BASE256_ENCODE";
  })(Mode || (Mode = {}));
  /**
   * <p>Data Matrix Codes can encode text as bits in one of several modes, and can use multiple modes
   * in one Data Matrix Code. This class decodes the bits back into text.</p>
   *
   * <p>See ISO 16022:2006, 5.2.1 - 5.2.9.2</p>
   *
   * @author bbrown@google.com (Brian Brown)
   * @author Sean Owen
   */
  var DecodedBitStreamParser = /** @class */ (function () {
      function DecodedBitStreamParser() {
      }
      DecodedBitStreamParser.decode = function (bytes) {
          var bits = new BitSource_1.default(bytes);
          var result = new StringBuilder_1.default();
          var resultTrailer = new StringBuilder_1.default();
          var byteSegments = new Array();
          var mode = Mode.ASCII_ENCODE;
          do {
              if (mode === Mode.ASCII_ENCODE) {
                  mode = this.decodeAsciiSegment(bits, result, resultTrailer);
              }
              else {
                  switch (mode) {
                      case Mode.C40_ENCODE:
                          this.decodeC40Segment(bits, result);
                          break;
                      case Mode.TEXT_ENCODE:
                          this.decodeTextSegment(bits, result);
                          break;
                      case Mode.ANSIX12_ENCODE:
                          this.decodeAnsiX12Segment(bits, result);
                          break;
                      case Mode.EDIFACT_ENCODE:
                          this.decodeEdifactSegment(bits, result);
                          break;
                      case Mode.BASE256_ENCODE:
                          this.decodeBase256Segment(bits, result, byteSegments);
                          break;
                      default:
                          throw new FormatException_1.default();
                  }
                  mode = Mode.ASCII_ENCODE;
              }
          } while (mode !== Mode.PAD_ENCODE && bits.available() > 0);
          if (resultTrailer.length() > 0) {
              result.append(resultTrailer.toString());
          }
          return new DecoderResult_1.default(bytes, result.toString(), byteSegments.length === 0 ? null : byteSegments, null);
      };
      /**
       * See ISO 16022:2006, 5.2.3 and Annex C, Table C.2
       */
      DecodedBitStreamParser.decodeAsciiSegment = function (bits, result, resultTrailer) {
          var upperShift = false;
          do {
              var oneByte = bits.readBits(8);
              if (oneByte === 0) {
                  throw new FormatException_1.default();
              }
              else if (oneByte <= 128) { // ASCII data (ASCII value + 1)
                  if (upperShift) {
                      oneByte += 128;
                      // upperShift = false;
                  }
                  result.append(String.fromCharCode(oneByte - 1));
                  return Mode.ASCII_ENCODE;
              }
              else if (oneByte === 129) { // Pad
                  return Mode.PAD_ENCODE;
              }
              else if (oneByte <= 229) { // 2-digit data 00-99 (Numeric Value + 130)
                  var value = oneByte - 130;
                  if (value < 10) { // pad with '0' for single digit values
                      result.append('0');
                  }
                  result.append('' + value);
              }
              else {
                  switch (oneByte) {
                      case 230: // Latch to C40 encodation
                          return Mode.C40_ENCODE;
                      case 231: // Latch to Base 256 encodation
                          return Mode.BASE256_ENCODE;
                      case 232: // FNC1
                          result.append(String.fromCharCode(29)); // translate as ASCII 29
                          break;
                      case 233: // Structured Append
                      case 234: // Reader Programming
                          // Ignore these symbols for now
                          // throw ReaderException.getInstance();
                          break;
                      case 235: // Upper Shift (shift to Extended ASCII)
                          upperShift = true;
                          break;
                      case 236: // 05 Macro
                          result.append('[)>\u001E05\u001D');
                          resultTrailer.insert(0, '\u001E\u0004');
                          break;
                      case 237: // 06 Macro
                          result.append('[)>\u001E06\u001D');
                          resultTrailer.insert(0, '\u001E\u0004');
                          break;
                      case 238: // Latch to ANSI X12 encodation
                          return Mode.ANSIX12_ENCODE;
                      case 239: // Latch to Text encodation
                          return Mode.TEXT_ENCODE;
                      case 240: // Latch to EDIFACT encodation
                          return Mode.EDIFACT_ENCODE;
                      case 241: // ECI Character
                          // TODO(bbrown): I think we need to support ECI
                          // throw ReaderException.getInstance();
                          // Ignore this symbol for now
                          break;
                      default:
                          // Not to be used in ASCII encodation
                          // but work around encoders that end with 254, latch back to ASCII
                          if (oneByte !== 254 || bits.available() !== 0) {
                              throw new FormatException_1.default();
                          }
                          break;
                  }
              }
          } while (bits.available() > 0);
          return Mode.ASCII_ENCODE;
      };
      /**
       * See ISO 16022:2006, 5.2.5 and Annex C, Table C.1
       */
      DecodedBitStreamParser.decodeC40Segment = function (bits, result) {
          // Three C40 values are encoded in a 16-bit value as
          // (1600 * C1) + (40 * C2) + C3 + 1
          // TODO(bbrown): The Upper Shift with C40 doesn't work in the 4 value scenario all the time
          var upperShift = false;
          var cValues = [];
          var shift = 0;
          do {
              // If there is only one byte left then it will be encoded as ASCII
              if (bits.available() === 8) {
                  return;
              }
              var firstByte = bits.readBits(8);
              if (firstByte === 254) { // Unlatch codeword
                  return;
              }
              this.parseTwoBytes(firstByte, bits.readBits(8), cValues);
              for (var i = 0; i < 3; i++) {
                  var cValue = cValues[i];
                  switch (shift) {
                      case 0:
                          if (cValue < 3) {
                              shift = cValue + 1;
                          }
                          else if (cValue < this.C40_BASIC_SET_CHARS.length) {
                              var c40char = this.C40_BASIC_SET_CHARS[cValue];
                              if (upperShift) {
                                  result.append(String.fromCharCode(c40char.charCodeAt(0) + 128));
                                  upperShift = false;
                              }
                              else {
                                  result.append(c40char);
                              }
                          }
                          else {
                              throw new FormatException_1.default();
                          }
                          break;
                      case 1:
                          if (upperShift) {
                              result.append(String.fromCharCode(cValue + 128));
                              upperShift = false;
                          }
                          else {
                              result.append(String.fromCharCode(cValue));
                          }
                          shift = 0;
                          break;
                      case 2:
                          if (cValue < this.C40_SHIFT2_SET_CHARS.length) {
                              var c40char = this.C40_SHIFT2_SET_CHARS[cValue];
                              if (upperShift) {
                                  result.append(String.fromCharCode(c40char.charCodeAt(0) + 128));
                                  upperShift = false;
                              }
                              else {
                                  result.append(c40char);
                              }
                          }
                          else {
                              switch (cValue) {
                                  case 27: // FNC1
                                      result.append(String.fromCharCode(29)); // translate as ASCII 29
                                      break;
                                  case 30: // Upper Shift
                                      upperShift = true;
                                      break;
                                  default:
                                      throw new FormatException_1.default();
                              }
                          }
                          shift = 0;
                          break;
                      case 3:
                          if (upperShift) {
                              result.append(String.fromCharCode(cValue + 224));
                              upperShift = false;
                          }
                          else {
                              result.append(String.fromCharCode(cValue + 96));
                          }
                          shift = 0;
                          break;
                      default:
                          throw new FormatException_1.default();
                  }
              }
          } while (bits.available() > 0);
      };
      /**
       * See ISO 16022:2006, 5.2.6 and Annex C, Table C.2
       */
      DecodedBitStreamParser.decodeTextSegment = function (bits, result) {
          // Three Text values are encoded in a 16-bit value as
          // (1600 * C1) + (40 * C2) + C3 + 1
          // TODO(bbrown): The Upper Shift with Text doesn't work in the 4 value scenario all the time
          var upperShift = false;
          var cValues = [];
          var shift = 0;
          do {
              // If there is only one byte left then it will be encoded as ASCII
              if (bits.available() === 8) {
                  return;
              }
              var firstByte = bits.readBits(8);
              if (firstByte === 254) { // Unlatch codeword
                  return;
              }
              this.parseTwoBytes(firstByte, bits.readBits(8), cValues);
              for (var i = 0; i < 3; i++) {
                  var cValue = cValues[i];
                  switch (shift) {
                      case 0:
                          if (cValue < 3) {
                              shift = cValue + 1;
                          }
                          else if (cValue < this.TEXT_BASIC_SET_CHARS.length) {
                              var textChar = this.TEXT_BASIC_SET_CHARS[cValue];
                              if (upperShift) {
                                  result.append(String.fromCharCode(textChar.charCodeAt(0) + 128));
                                  upperShift = false;
                              }
                              else {
                                  result.append(textChar);
                              }
                          }
                          else {
                              throw new FormatException_1.default();
                          }
                          break;
                      case 1:
                          if (upperShift) {
                              result.append(String.fromCharCode(cValue + 128));
                              upperShift = false;
                          }
                          else {
                              result.append(String.fromCharCode(cValue));
                          }
                          shift = 0;
                          break;
                      case 2:
                          // Shift 2 for Text is the same encoding as C40
                          if (cValue < this.TEXT_SHIFT2_SET_CHARS.length) {
                              var textChar = this.TEXT_SHIFT2_SET_CHARS[cValue];
                              if (upperShift) {
                                  result.append(String.fromCharCode(textChar.charCodeAt(0) + 128));
                                  upperShift = false;
                              }
                              else {
                                  result.append(textChar);
                              }
                          }
                          else {
                              switch (cValue) {
                                  case 27: // FNC1
                                      result.append(String.fromCharCode(29)); // translate as ASCII 29
                                      break;
                                  case 30: // Upper Shift
                                      upperShift = true;
                                      break;
                                  default:
                                      throw new FormatException_1.default();
                              }
                          }
                          shift = 0;
                          break;
                      case 3:
                          if (cValue < this.TEXT_SHIFT3_SET_CHARS.length) {
                              var textChar = this.TEXT_SHIFT3_SET_CHARS[cValue];
                              if (upperShift) {
                                  result.append(String.fromCharCode(textChar.charCodeAt(0) + 128));
                                  upperShift = false;
                              }
                              else {
                                  result.append(textChar);
                              }
                              shift = 0;
                          }
                          else {
                              throw new FormatException_1.default();
                          }
                          break;
                      default:
                          throw new FormatException_1.default();
                  }
              }
          } while (bits.available() > 0);
      };
      /**
       * See ISO 16022:2006, 5.2.7
       */
      DecodedBitStreamParser.decodeAnsiX12Segment = function (bits, result) {
          // Three ANSI X12 values are encoded in a 16-bit value as
          // (1600 * C1) + (40 * C2) + C3 + 1
          var cValues = [];
          do {
              // If there is only one byte left then it will be encoded as ASCII
              if (bits.available() === 8) {
                  return;
              }
              var firstByte = bits.readBits(8);
              if (firstByte === 254) { // Unlatch codeword
                  return;
              }
              this.parseTwoBytes(firstByte, bits.readBits(8), cValues);
              for (var i = 0; i < 3; i++) {
                  var cValue = cValues[i];
                  switch (cValue) {
                      case 0: // X12 segment terminator <CR>
                          result.append('\r');
                          break;
                      case 1: // X12 segment separator *
                          result.append('*');
                          break;
                      case 2: // X12 sub-element separator >
                          result.append('>');
                          break;
                      case 3: // space
                          result.append(' ');
                          break;
                      default:
                          if (cValue < 14) { // 0 - 9
                              result.append(String.fromCharCode(cValue + 44));
                          }
                          else if (cValue < 40) { // A - Z
                              result.append(String.fromCharCode(cValue + 51));
                          }
                          else {
                              throw new FormatException_1.default();
                          }
                          break;
                  }
              }
          } while (bits.available() > 0);
      };
      DecodedBitStreamParser.parseTwoBytes = function (firstByte, secondByte, result) {
          var fullBitValue = (firstByte << 8) + secondByte - 1;
          var temp = Math.floor(fullBitValue / 1600);
          result[0] = temp;
          fullBitValue -= temp * 1600;
          temp = Math.floor(fullBitValue / 40);
          result[1] = temp;
          result[2] = fullBitValue - temp * 40;
      };
      /**
       * See ISO 16022:2006, 5.2.8 and Annex C Table C.3
       */
      DecodedBitStreamParser.decodeEdifactSegment = function (bits, result) {
          do {
              // If there is only two or less bytes left then it will be encoded as ASCII
              if (bits.available() <= 16) {
                  return;
              }
              for (var i = 0; i < 4; i++) {
                  var edifactValue = bits.readBits(6);
                  // Check for the unlatch character
                  if (edifactValue === 0x1F) { // 011111
                      // Read rest of byte, which should be 0, and stop
                      var bitsLeft = 8 - bits.getBitOffset();
                      if (bitsLeft !== 8) {
                          bits.readBits(bitsLeft);
                      }
                      return;
                  }
                  if ((edifactValue & 0x20) === 0) { // no 1 in the leading (6th) bit
                      edifactValue |= 0x40; // Add a leading 01 to the 6 bit binary value
                  }
                  result.append(String.fromCharCode(edifactValue));
              }
          } while (bits.available() > 0);
      };
      /**
       * See ISO 16022:2006, 5.2.9 and Annex B, B.2
       */
      DecodedBitStreamParser.decodeBase256Segment = function (bits, result, byteSegments) {
          // Figure out how long the Base 256 Segment is.
          var codewordPosition = 1 + bits.getByteOffset(); // position is 1-indexed
          var d1 = this.unrandomize255State(bits.readBits(8), codewordPosition++);
          var count;
          if (d1 === 0) { // Read the remainder of the symbol
              count = bits.available() / 8 | 0;
          }
          else if (d1 < 250) {
              count = d1;
          }
          else {
              count = 250 * (d1 - 249) + this.unrandomize255State(bits.readBits(8), codewordPosition++);
          }
          // We're seeing NegativeArraySizeException errors from users.
          if (count < 0) {
              throw new FormatException_1.default();
          }
          var bytes = new Uint8Array(count);
          for (var i = 0; i < count; i++) {
              // Have seen this particular error in the wild, such as at
              // http://www.bcgen.com/demo/IDAutomationStreamingDataMatrix.aspx?MODE=3&D=Fred&PFMT=3&PT=F&X=0.3&O=0&LM=0.2
              if (bits.available() < 8) {
                  throw new FormatException_1.default();
              }
              bytes[i] = this.unrandomize255State(bits.readBits(8), codewordPosition++);
          }
          byteSegments.push(bytes);
          try {
              result.append(StringEncoding_1.default.decode(bytes, __1.StringUtils.ISO88591));
          }
          catch (uee) {
              throw new IllegalStateException_1.default('Platform does not support required encoding: ' + uee.message);
          }
      };
      /**
       * See ISO 16022:2006, Annex B, B.2
       */
      DecodedBitStreamParser.unrandomize255State = function (randomizedBase256Codeword, base256CodewordPosition) {
          var pseudoRandomNumber = ((149 * base256CodewordPosition) % 255) + 1;
          var tempVariable = randomizedBase256Codeword - pseudoRandomNumber;
          return tempVariable >= 0 ? tempVariable : tempVariable + 256;
      };
      /**
       * See ISO 16022:2006, Annex C Table C.1
       * The C40 Basic Character Set (*'s used for placeholders for the shift values)
       */
      DecodedBitStreamParser.C40_BASIC_SET_CHARS = [
          '*', '*', '*', ' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
          'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
          'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'
      ];
      DecodedBitStreamParser.C40_SHIFT2_SET_CHARS = [
          '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.',
          '/', ':', ';', '<', '=', '>', '?', '@', '[', '\\', ']', '^', '_'
      ];
      /**
       * See ISO 16022:2006, Annex C Table C.2
       * The Text Basic Character Set (*'s used for placeholders for the shift values)
       */
      DecodedBitStreamParser.TEXT_BASIC_SET_CHARS = [
          '*', '*', '*', ' ', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
          'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
          'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
      ];
      // Shift 2 for Text is the same encoding as C40
      DecodedBitStreamParser.TEXT_SHIFT2_SET_CHARS = DecodedBitStreamParser.C40_SHIFT2_SET_CHARS;
      DecodedBitStreamParser.TEXT_SHIFT3_SET_CHARS = [
          '`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N',
          'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '{', '|', '}', '~', String.fromCharCode(127)
      ];
      return DecodedBitStreamParser;
  }());
  exports.default = DecodedBitStreamParser;
  //# sourceMappingURL=DecodedBitStreamParser.js.map