summaryrefslogtreecommitdiff
path: root/Build/source/libs/icu/icu-xetex/tools/toolutil/propsvec.h
diff options
context:
space:
mode:
Diffstat (limited to 'Build/source/libs/icu/icu-xetex/tools/toolutil/propsvec.h')
-rw-r--r--Build/source/libs/icu/icu-xetex/tools/toolutil/propsvec.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/tools/toolutil/propsvec.h b/Build/source/libs/icu/icu-xetex/tools/toolutil/propsvec.h
new file mode 100644
index 00000000000..c899d5885e4
--- /dev/null
+++ b/Build/source/libs/icu/icu-xetex/tools/toolutil/propsvec.h
@@ -0,0 +1,103 @@
+/*
+*******************************************************************************
+*
+* Copyright (C) 2002-2005, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+*******************************************************************************
+* file name: propsvec.h
+* encoding: US-ASCII
+* tab size: 8 (not used)
+* indentation:4
+*
+* created on: 2002feb22
+* created by: Markus W. Scherer
+*
+* Store additional Unicode character properties in bit set vectors.
+*/
+
+#ifndef __UPROPSVEC_H__
+#define __UPROPSVEC_H__
+
+#include "unicode/utypes.h"
+#include "utrie.h"
+
+/*
+ * Unicode Properties Vectors associated with code point ranges.
+ * Stored in an array of uint32_t.
+ *
+ * The array starts with a header, then rows of integers store
+ * the range limits and the properties vectors.
+ *
+ * In each row, row[0] contains the start code point and
+ * row[1] contains the limit code point,
+ * which is the start of the next range.
+ *
+ * Initially, there is only one range [0..0x110000[ with values 0.
+ *
+ * It would be possible to store only one range boundary per row,
+ * but self-contained rows allow to later sort them by contents.
+ */
+enum {
+ /* stores number of columns, plus two for start & limit values */
+ UPVEC_COLUMNS,
+ UPVEC_MAXROWS,
+ UPVEC_ROWS,
+ /* search optimization: remember last row seen */
+ UPVEC_PREV_ROW,
+ UPVEC_HEADER_LENGTH
+};
+
+U_CAPI uint32_t * U_EXPORT2
+upvec_open(int32_t columns, int32_t maxRows);
+
+U_CAPI void U_EXPORT2
+upvec_close(uint32_t *pv);
+
+U_CAPI UBool U_EXPORT2
+upvec_setValue(uint32_t *pv,
+ UChar32 start, UChar32 limit,
+ int32_t column,
+ uint32_t value, uint32_t mask,
+ UErrorCode *pErrorCode);
+
+U_CAPI uint32_t U_EXPORT2
+upvec_getValue(uint32_t *pv, UChar32 c, int32_t column);
+
+/*
+ * pRangeStart and pRangeLimit can be NULL.
+ * @return NULL if rowIndex out of range and for illegal arguments
+ */
+U_CAPI uint32_t * U_EXPORT2
+upvec_getRow(uint32_t *pv, int32_t rowIndex,
+ UChar32 *pRangeStart, UChar32 *pRangeLimit);
+
+/*
+ * Compact the vectors:
+ * - modify the memory
+ * - keep only unique vectors
+ * - store them contiguously from the beginning of the memory
+ * - for each (non-unique) row, call the handler function
+ *
+ * The handler's rowIndex is the uint32_t index of the row in the compacted
+ * memory block.
+ * (Therefore, it starts at 0 increases in increments of the columns value.)
+ */
+
+typedef void U_CALLCONV
+UPVecCompactHandler(void *context,
+ UChar32 start, UChar32 limit,
+ int32_t rowIndex, uint32_t *row, int32_t columns,
+ UErrorCode *pErrorCode);
+
+U_CAPI int32_t U_EXPORT2
+upvec_compact(uint32_t *pv, UPVecCompactHandler *handler, void *context, UErrorCode *pErrorCode);
+
+/* context=UNewTrie, stores the rowIndex values into the trie */
+U_CAPI void U_CALLCONV
+upvec_compactToTrieHandler(void *context,
+ UChar32 start, UChar32 limit,
+ int32_t rowIndex, uint32_t *row, int32_t columns,
+ UErrorCode *pErrorCode);
+
+#endif