Add CP1160 code page (Thai) which is same as CP838 with FE is replaced with the "€" (euro) character.

Author: yruslan

README.md

@@ -1648,6 +1648,7 @@ The output looks like this:
 | .option("ebcdic_code_page", "cp1145") | EBCDIC 1145 | Same as code page 284 with € at the position of the international currency symbol ¤.                        |
 | .option("ebcdic_code_page", "cp1147") | EBCDIC 1147 | Same as code page 297 with € at the position of the international currency symbol ¤.                        |
 | .option("ebcdic_code_page", "cp1148") | EBCDIC 1148 | Same as code page 500 with € at the position of the international currency symbol ¤.                        |
+| .option("ebcdic_code_page", "cp1160") | EBCDIC 1160 | Same as code page 838 with € at the position 0xFE.                                                          |
 | .option("ebcdic_code_page", "cp1364") | EBCDIC 1364 | Double-byte code page CCSID-1364, Korean.                                                                   |
 | .option("ebcdic_code_page", "cp1388") | EBCDIC 1388 | Double-byte code page CCSID-1388, Simplified Chinese.                                                       |
 

cobol-parser/src/main/scala/za/co/absa/cobrix/cobol/parser/encoding/codepage/CodePage.scala

@@ -70,6 +70,7 @@ object CodePage extends Logging {
       case "cp1146"          => new CodePage1146
       case "cp1147"          => new CodePage1147
       case "cp1148"          => new CodePage1148
+      case "cp1160"          => new CodePage1160
       case "cp1364"          => new CodePage1364
       case "cp1388"          => new CodePage1388
       case codePage          => throw new IllegalArgumentException(s"The code page '$codePage' is not one of the builtin EBCDIC code pages.")

cobol-parser/src/main/scala/za/co/absa/cobrix/cobol/parser/encoding/codepage/CodePage1160.scala

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2018 ABSA Group Limited
+ *
+ * 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 za.co.absa.cobrix.cobol.parser.encoding.codepage
+
+/**
+  * EBCDIC code page 1160 with support for Thai script used in IBM mainframes which is same as 838
+  * with € at the position 0xFE.
+  */
+class CodePage1160 extends SingleByteCodePage(CodePage1160.ebcdicToAsciiMapping) {
+  override def codePageShortName: String = "cp1160"
+}
+
+object CodePage1160 {
+  val ebcdicToAsciiMapping: Array[Char] = {
+    import EbcdicNonPrintable._
+
+    /* This is the EBCDIC Code Page 1160 to ASCII conversion table
+       from https://en.wikibooks.org/wiki/Character_Encodings/Code_Tables/EBCDIC/EBCDIC_838 */
+    val ebcdic2ascii: Array[Char] = {
+      val c01 = '\u0E48'
+      val c02 = '\u0E4E'
+      val c03 = '\u0E31'
+      val c04 = '\u0E34'
+      val c05 = '\u0E49'
+      val c06 = '\u0E35'
+      val c07 = '\u0E36'
+      val c08 = '\u0E37'
+      val c09 = '\u0E38'
+      val c10 = '\u0E39'
+      val c11 = '\u0E3A'
+      val c12 = '\u0E47'
+      val c13 = '\u0E48'
+      val c14 = '\u0E49'
+      val c15 = '\u0E4A'
+      val c16 = '\u0E4B'
+      val c18 = '\u0E4D'
+
+      Array[Char](
+        spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, ccr, spc, spc, //   0 -  15
+        spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, //  16 -  31
+        spc, spc, spc, spc, spc, clf, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, //  32 -  47
+        spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, spc, //  48 -  63
+        spc, spc, 'ก', 'ข', 'ฃ', 'ค', 'ฅ', 'ฆ', 'ง', '[', '¢', '.', '<', '(', '+', '|', //  64 -  79
+        '&', c01, 'จ', 'ฉ', 'ช', 'ซ', 'ฌ', 'ญ', 'ฎ', ']', '!', '$', '*', ')', ';', '¬', //  80 -  95
+        '-', '/', 'ฏ', 'ฐ', 'ฑ', 'ฒ', 'ณ', 'ด', 'ต', '^', '¦', ',', '%', '_', '>', '?', //  96 - 111
+        '฿', c02, 'ถ', 'ท', 'ธ', 'น', 'บ', 'ป', 'ผ', '`', ':', '#', '@', qts, '=', qtd, // 112 - 127
+        '๏', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'ฝ', 'พ', 'ฟ', 'ภ', 'ม', 'ย', // 128 - 143
+        '๚', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 'ร', 'ฤ', 'ล', 'ฦ', 'ว', 'ศ', // 144 - 159
+        '๛', '~', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'ษ', 'ส', 'ห', 'ฬ', 'อ', 'ฮ', // 160 - 175
+        '๐', '๑', '๒', '๓', '๔', '๕', '๖', '๗', '๘', '๙', 'ฯ', 'ะ', c03, 'า', 'ำ', c04, // 176 - 191
+        '{', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', c05, c06, c07, c08, c09, c10, // 192 - 207
+        '}', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', c11, 'เ', 'แ', 'โ', 'ใ', 'ไ', // 208 - 223
+        bsh, c15, 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'ๅ', 'ๆ', c12, c13, c14, c15, // 224 - 239
+        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', c16, c17, c18, c16, '€', spc) // 240 - 255
+    }
+    ebcdic2ascii
+  }
+}

cobol-parser/src/main/scala/za/co/absa/cobrix/cobol/parser/encoding/codepage/CodePage838.scala

@@ -25,15 +25,11 @@ class CodePage838 extends SingleByteCodePage(CodePage838.ebcdicToAsciiMapping) {
 
 object CodePage838 {
   val ebcdicToAsciiMapping: Array[Char] = {
+    import EbcdicNonPrintable._
+
     /* This is the EBCDIC Code Page 838 to ASCII conversion table with non-printable characters mapping
        from https://en.everybodywiki.com/EBCDIC_838 */
     val ebcdic2ascii: Array[Char] = {
-      val clf = '\r'
-      val ccr = '\n'
-      val spc = ' '
-      val qts = '\''
-      val qtd = '\"'
-      val bsh = '\\'
       val c01 = '\u0E48'
       val c02 = '\u0E4E'
       val c03 = '\u0E31'

cobol-parser/src/test/scala/za/co/absa/cobrix/cobol/parser/decoders/StringDecodersSpec.scala

@@ -241,6 +241,16 @@ class StringDecodersSpec extends AnyWordSpec {
         assert(actual == expected)
       }
 
+      "decode a CP838 string special characters" in {
+        val expected = " ¢$~๐๑ฯัข#|แํ¬๕¦!]๐¢็{}ลึ~ฆ@ว๏ดฐ "
+        val bytes = Array(0x40, 0x4A, 0x5B, 0xA1, 0xB0, 0xB1, 0xBA, 0xBC, 0x43, 0x7B, 0x4F, 0xDC, 0xFC, 0x5F, 0xB5, 0x6A, 0x5A, 0x59,
+          0xB0, 0x4A, 0xEC, 0xC0, 0xD0, 0x9C, 0xCC, 0xA1, 0x47, 0x7C, 0x9E, 0x80, 0x67, 0x63, 0x40).map(_.toByte)
+
+        val actual = decodeEbcdicString(bytes, KeepAll, new CodePage838, improvedNullDetection = false)
+
+        assert(actual == expected)
+      }
+
       "decode a CP1140 string special characters" in {
         val expected = "âäàáãåçñ¢.<(+|&éêëèíîïìß!$*);¬-/ÂÄÀÁÃÅÇѦ,%_>?øÉÊËÈÍÎÏÌ`:#@'=\"Øabcdefghi«»ðýþ±°jklmnopqrªºæ¸Æ€µ~stuvwxyz¡¿ÐÝÞ®^£¥·©§¶¼½¾[]¯¨´×{ABCDEFGHI\u00ADôöòóõ}JKLMNOPQR¹ûüùúÿ\\÷STUVWXYZ²ÔÖÒÓÕ0123456789³ÛÜÙÚ"
         val bytes = Array(
@@ -405,6 +415,16 @@ class StringDecodersSpec extends AnyWordSpec {
 
         assert(actual == expected)
       }
+
+      "decode a CP1160 string special characters" in {
+        val expected = " ¢$~๐๑ฯัข#|แํ¬๕¦!]๐¢็{}ลึ~ฆ@ว๏ดฐ€ "
+        val bytes = Array(0x40, 0x4A, 0x5B, 0xA1, 0xB0, 0xB1, 0xBA, 0xBC, 0x43, 0x7B, 0x4F, 0xDC, 0xFC, 0x5F, 0xB5, 0x6A, 0x5A, 0x59,
+          0xB0, 0x4A, 0xEC, 0xC0, 0xD0, 0x9C, 0xCC, 0xA1, 0x47, 0x7C, 0x9E, 0x80, 0x67, 0x63, 0xFE, 0x40).map(_.toByte)
+
+        val actual = decodeEbcdicString(bytes, KeepAll, new CodePage1160, improvedNullDetection = false)
+
+        assert(actual == expected)
+      }
     }
   }
 

cobol-parser/src/test/scala/za/co/absa/cobrix/cobol/parser/encoding/codepage/CodePageSingleByteSpec.scala

@@ -167,6 +167,11 @@ class CodePageSingleByteSpec extends AnyFunSuite {
     assert(codePage.codePageShortName == "cp1148")
   }
 
+  test("Ensure codepage 'cp1160' gives the associated CodePage") {
+    val codePage = CodePage.getCodePageByName("cp1160")
+    assert(codePage.codePageShortName == "cp1160")
+  }
+
   test("Ensure codepage 'cp1364' gives the associated CodePage") {
     val codePage = CodePage.getCodePageByName("cp1364")
     assert(codePage.codePageShortName == "cp1364")