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Diffstat (limited to 'util/locale_database/ldml.py')
| -rw-r--r-- | util/locale_database/ldml.py | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/util/locale_database/ldml.py b/util/locale_database/ldml.py index e3e3a2e4ba..0f1cefc30c 100644 --- a/util/locale_database/ldml.py +++ b/util/locale_database/ldml.py @@ -294,6 +294,7 @@ class LocaleScanner (object): yield 'percent', self.find(stem + 'percentSign') yield 'list', self.find(stem + 'list') yield 'exp', self.find(stem + 'exponential') + yield 'groupSizes', self.__numberGrouping(system) digits = lookup(system)['digits'] assert len(digits) == 10 @@ -527,6 +528,36 @@ class LocaleScanner (object): cache.append(rest) yield it + def __numberGrouping(self, system): + """Sizes of groups of digits within a number. + + Returns a triple (least, higher, top) for which: + * least is the number of digits after the last grouping + separator; + * higher is the number of digits between grouping + separators; + * top is the fewest digits that can appear before the first + grouping separator. + + Thus (4, 3, 2) would want 1e7 as 1000,0000 but 1e8 as 10,000,0000. + + Note: CLDR does countenance the possibility of grouping also + in the fractional part. This is not presently attempted. Nor + is placement of the sign character anywhere but at the start + of the number (some formats may place it at the end, possibly + elsewhere).""" + top = int(self.find('numbers/minimumGroupingDigits')) + assert top < 4, top # We store it in a 2-bit field + grouping = self.find('numbers/decimalFormats[numberSystem=' + + system + ']/decimalFormatLength/decimalFormat/pattern') + groups = grouping.split('.')[0].split(',')[-3:] + assert all(len(x) < 8 for x in groups[-2:]), grouping # we store them in 3-bit fields + if len(groups) > 2: + return len(groups[-1]), len(groups[-2]), top + + size = len(groups[-1]) if len(groups) == 2 else 3 + return size, size, top + @staticmethod def __currencyFormats(patterns, plus, minus): for p in patterns.split(';'): |