add iso8859-7 caseMap

jruby · Apr 18, 2018 · 6f27648 · 6f27648
1 parent c239f92
commit 6f27648
Showing 1 changed file with 45 additions and 0 deletions.
diff --git a/src/org/jcodings/specific/ISO8859_7Encoding.java b/src/org/jcodings/specific/ISO8859_7Encoding.java
@@ -19,15 +19,60 @@
  */
 package org.jcodings.specific;
 
+import org.jcodings.Config;
 import org.jcodings.ISOEncoding;
 import org.jcodings.IntHolder;
+import org.jcodings.constants.CharacterType;
 
 public final class ISO8859_7Encoding extends ISOEncoding {
 
     protected ISO8859_7Encoding() {
         super("ISO-8859-7", ISO8859_7CtypeTable, ISO8859_7ToLowerCaseTable, ISO8859_7CaseFoldMap, false);
     }
 
+    @Override
+    public int caseMap(IntHolder flagP, byte[] bytes, IntHolder pp, int end, byte[] to, int toP, int toEnd) {
+        int toStart = toP;
+        int flags = flagP.value;
+
+        while (pp.value < end && toP < toEnd) {
+            int code = bytes[pp.value++] & 0xff;
+            if (code == 0xF2) {
+                if ((flags & Config.CASE_UPCASE) != 0) {
+                    flags |= Config.CASE_MODIFIED;
+                    code = 0xD3;
+                } else if ((flags & Config.CASE_FOLD) != 0) {
+                    flags |= Config.CASE_MODIFIED;
+                    code = 0xF3;
+                }
+            } else if ((ISO8859_7CtypeTable[code] & CharacterType.BIT_UPPER) != 0 && (flags & (Config.CASE_DOWNCASE | Config.CASE_FOLD)) != 0) {
+                flags |= Config.CASE_MODIFIED;
+                code = LowerCaseTable[code];
+            } else if (code == 0xC0 || code == 0xE0) {
+            } else if ((ISO8859_7CtypeTable[code] & CharacterType.BIT_LOWER) != 0 && (flags & Config.CASE_UPCASE) != 0) {
+                flags |= Config.CASE_MODIFIED;
+                if (code == 0xDC) {
+                    code -= 0x26;
+                } else if (code >= 0xDD && code <= 0xDF) {
+                    code -= 0x25;
+                } else if (code == 0xFC) {
+                    code -= 0x40;
+                } else if (code == 0xFD || code == 0xFE) {
+                    code -= 0x3F;
+                } else {
+                    code -= 0x20;
+                }
+            }
+
+            to[toP++] = (byte)code;
+            if ((flags & Config.CASE_TITLECASE) != 0) {
+                flags ^= (Config.CASE_UPCASE | Config.CASE_DOWNCASE | Config.CASE_TITLECASE);
+            }
+        }
+        flagP.value = flags;
+        return toP - toStart;
+    }
+
     @Override
     public int mbcCaseFold(int flag, byte[]bytes, IntHolder pp, int end, byte[]lower) {
         int p = pp.value;