ICU 56 update step 1

source/tools/toolutil/collationinfo.cpp

 /*
 *******************************************************************************
-* Copyright (C) 2013-2014, International Business Machines
+* Copyright (C) 2013-2015, International Business Machines
 * Corporation and others.  All Rights Reserved.
 *******************************************************************************
 * collationinfo.cpp
 *
 * created on: 2013aug05
 * created by: Markus W. Scherer
 */
 
 #include <stdio.h>
 #include <string.h>
 
 #include "unicode/utypes.h"
 
 #if !UCONFIG_NO_COLLATION
 
+#include "collationdata.h"
 #include "collationdatareader.h"
 #include "collationinfo.h"
 #include "uassert.h"
+#include "uvectr32.h"
 
 U_NAMESPACE_BEGIN
 
 void
 CollationInfo::printSizes(int32_t sizeWithHeader, const int32_t indexes[]) {
     int32_t totalSize = indexes[CollationDataReader::IX_TOTAL_SIZE];
     if(sizeWithHeader > totalSize) {
         printf("  header size:                  %6ld\n", (long)(sizeWithHeader - totalSize));
     }
 
@@ skipping 73 matching lines @@
     }
 
     printf(" collator binary total size:    %6ld\n", (long)sizeWithHeader);
 }
 
 int32_t
 CollationInfo::getDataLength(const int32_t indexes[], int32_t startIndex) {
     return indexes[startIndex + 1] - indexes[startIndex];
 }
 
+void
+CollationInfo::printReorderRanges(const CollationData &data, const int32_t *codes, int32_t length) {
+    UErrorCode errorCode = U_ZERO_ERROR;
+    UVector32 ranges(errorCode);
+    data.makeReorderRanges(codes, length, ranges, errorCode);
+    if(U_FAILURE(errorCode)) {
+        printf("  error building reorder ranges: %s\n", u_errorName(errorCode));
+        return;
+    }
+
+    int32_t start = 0;
+    for(int32_t i = 0; i < ranges.size(); ++i) {
+        int32_t pair = ranges.elementAti(i);
+        int32_t limit = (pair >> 16) & 0xffff;
+        int16_t offset = (int16_t)pair;
+        if(offset == 0) {
+            // [inclusive-start, exclusive-limit[
+            printf("          [%04x, %04x[\n", start, limit);
+        } else if(offset > 0) {
+            printf("  reorder [%04x, %04x[ by offset  %02x to [%04x, %04x[\n",
+                    start, limit, offset,
+                    start + (offset << 8), limit + (offset << 8));
+        } else /* offset < 0 */ {
+            printf("  reorder [%04x, %04x[ by offset -%02x to [%04x, %04x[\n",
+                    start, limit, -offset,
+                    start + (offset << 8), limit + (offset << 8));
+        }
+        start = limit;
+    }
+}
+
 U_NAMESPACE_END
 
 #endif  // !UCONFIG_NO_COLLATION