content: /*
   * Copyright 2006-2007 Jeremias Maerki.
   *
   * 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.
   */
  
  package com.ailiwean.core.zxing.core.datamatrix.encoder;
  
  
  final class TextEncoder extends C40Encoder {
  
    @Override
    public int getEncodingMode() {
      return HighLevelEncoder.TEXT_ENCODATION;
    }
  
    @Override
    int encodeChar(char c, StringBuilder sb) {
      if (c == ' ') {
        sb.append('\3');
        return 1;
      }
      if (c >= '0' && c <= '9') {
        sb.append((char) (c - 48 + 4));
        return 1;
      }
      if (c >= 'a' && c <= 'z') {
        sb.append((char) (c - 97 + 14));
        return 1;
      }
      if (c < ' ') {
        sb.append('\0'); //Shift 1 Set
        sb.append(c);
        return 2;
      }
      if (c <= '/') {
        sb.append('\1'); //Shift 2 Set
        sb.append((char) (c - 33));
        return 2;
      }
      if (c <= '@') {
        sb.append('\1'); //Shift 2 Set
        sb.append((char) (c - 58 + 15));
        return 2;
      }
      if (c >= '[' && c <= '_') {
        sb.append('\1'); //Shift 2 Set
        sb.append((char) (c - 91 + 22));
        return 2;
      }
      if (c == '`') {
        sb.append('\2'); //Shift 3 Set
        sb.append((char) (c - 96));
        return 2;
      }
      if (c <= 'Z') {
        sb.append('\2'); //Shift 3 Set
        sb.append((char) (c - 65 + 1));
        return 2;
      }
      if (c <= 127) {
        sb.append('\2'); //Shift 3 Set
        sb.append((char) (c - 123 + 27));
        return 2;
      }
      sb.append("\1\u001e"); //Shift 2, Upper Shift
      int len = 2;
      len += encodeChar((char) (c - 128), sb);
      return len;
    }
  
  }
  