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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+* Copyright (C) 2015, International Business Machines
+* Corporation and others. All Rights Reserved.
+*******************************************************************************
+* digitgrouping.h
+*
+* created on: 2015jan6
+* created by: Travis Keep
+*/
+
+#ifndef __DIGITGROUPING_H__
+#define __DIGITGROUPING_H__
+
+#include "unicode/uobject.h"
+#include "unicode/utypes.h"
+
+U_NAMESPACE_BEGIN
+
+class IntDigitCountRange;
+
+/**
+ * The digit grouping policy.
+ */
+class U_I18N_API DigitGrouping : public UMemory {
+public:
+ /**
+ * Default is no digit grouping.
+ */
+ DigitGrouping() : fGrouping(0), fGrouping2(0), fMinGrouping(0) { }
+
+ /**
+ * Returns TRUE if this object is equal to rhs.
+ */
+ UBool equals(const DigitGrouping &rhs) const {
+ return ((fGrouping == rhs.fGrouping) &&
+ (fGrouping2 == rhs.fGrouping2) &&
+ (fMinGrouping == rhs.fMinGrouping));
+ }
+
+ /**
+ * Returns true if a separator is needed after a particular digit.
+ * @param digitsLeftOfDecimal the total count of digits left of the
+ * decimal.
+ * @param digitPos 0 is the one's place; 1 is the 10's place; -1 is the
+ * 1/10's place etc.
+ */
+ UBool isSeparatorAt(int32_t digitsLeftOfDecimal, int32_t digitPos) const;
+
+ /**
+ * Returns the total number of separators to be used to format a particular
+ * number.
+ * @param digitsLeftOfDecimal the total number of digits to the left of
+ * the decimal.
+ */
+ int32_t getSeparatorCount(int32_t digitsLeftOfDecimal) const;
+
+ /**
+ * Returns true if grouping is used FALSE otherwise. When
+ * isGroupingUsed() returns FALSE; isSeparatorAt always returns FALSE
+ * and getSeparatorCount always returns 0.
+ */
+ UBool isGroupingUsed() const { return fGrouping > 0; }
+
+ /**
+ * Returns TRUE if this instance would not add grouping separators
+ * when formatting value using the given constraint on digit count.
+ *
+ * @param value the value to format.
+ * @param range the minimum and maximum digits for formatting value.
+ */
+ UBool isNoGrouping(
+ int32_t positiveValue, const IntDigitCountRange &range) const;
+
+ /**
+ * Clears this instance so that digit grouping is not in effect.
+ */
+ void clear();
+
+public:
+
+ /**
+ * Primary grouping size. A value of 0, the default, or a negative
+ * number causes isGroupingUsed() to return FALSE.
+ */
+ int32_t fGrouping;
+
+ /**
+ * Secondary grouping size. If > 0, this size is used instead of
+ * 'fGrouping' for all but the group just to the left of the decimal
+ * point. The default value of 0, or a negative value indicates that
+ * there is no secondary grouping size.
+ */
+ int32_t fGrouping2;
+
+ /**
+ * If set (that is > 0), uses no grouping separators if fewer than
+ * (fGrouping + fMinGrouping) digits appear left of the decimal place.
+ * The default value for this field is 0.
+ */
+ int32_t fMinGrouping;
+private:
+ UBool isGroupingEnabled(int32_t digitsLeftOfDecimal) const;
+ int32_t getGrouping2() const;
+ int32_t getMinGrouping() const;
+};
+
+U_NAMESPACE_END
+
+#endif // __DIGITGROUPING_H__