1 files changed, 107 insertions, 0 deletions
diff --git a/util/locale_database/dateconverter.py b/util/locale_database/dateconverter.py
new file mode 100755
index 0000000000..1990fe0c61
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+++ b/util/locale_database/dateconverter.py
@@ -0,0 +1,107 @@
+#!/usr/bin/env python
+#############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the test suite of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:GPL-EXCEPT$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 3 as published by the Free Software
+## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import re
+
+def _convert_pattern(pattern):
+    # patterns from http://www.unicode.org/reports/tr35/#Date_Format_Patterns
+    qt_regexps = {
+        r"yyy{3,}" : "yyyy", # more that three digits hence convert to four-digit year
+        r"L" : "M",          # stand-alone month names. not supported.
+        r"g{1,}": "",        # modified julian day. not supported.
+        r"S{1,}" : "",       # fractional seconds. not supported.
+        r"A{1,}" : ""        # milliseconds in day. not supported.
+    }
+    qt_patterns = {
+        "G" : "", "GG" : "", "GGG" : "", "GGGG" : "", "GGGGG" : "", # Era. not supported.
+        "y" : "yyyy", # four-digit year without leading zeroes
+        "Q" : "", "QQ" : "", "QQQ" : "", "QQQQ" : "", # quarter. not supported.
+        "q" : "", "qq" : "", "qqq" : "", "qqqq" : "", # quarter. not supported.
+        "MMMMM" : "MMM", # narrow month name.
+        "LLLLL" : "MMM", # stand-alone narrow month name.
+        "l" : "", # special symbol for chinese leap month. not supported.
+        "w" : "", "W" : "", # week of year/month. not supported.
+        "D" : "", "DD" : "", "DDD" : "", # day of year. not supported.
+        "F" : "", # day of week in month. not supported.
+        "E" : "ddd", "EE" : "ddd", "EEE" : "ddd", "EEEEE" : "ddd", "EEEE" : "dddd", # day of week
+        "e" : "ddd", "ee" : "ddd", "eee" : "ddd", "eeeee" : "ddd", "eeee" : "dddd", # local day of week
+        "c" : "ddd", "cc" : "ddd", "ccc" : "ddd", "ccccc" : "ddd", "cccc" : "dddd", # stand-alone local day of week
+        "a" : "AP", # AM/PM
+        "K" : "h", # Hour 0-11
+        "k" : "H", # Hour 1-24
+        "j" : "", # special reserved symbol.
+        "z" : "t", "zz" : "t", "zzz" : "t", "zzzz" : "t", # timezone
+        "Z" : "t", "ZZ" : "t", "ZZZ" : "t", "ZZZZ" : "t", # timezone
+        "v" : "t", "vv" : "t", "vvv" : "t", "vvvv" : "t", # timezone
+        "V" : "t", "VV" : "t", "VVV" : "t", "VVVV" : "t"  # timezone
+    }
+    if qt_patterns.has_key(pattern):
+        return qt_patterns[pattern]
+    for r,v in qt_regexps.items():
+        pattern = re.sub(r, v, pattern)
+    return pattern
+
+def convert_date(input):
+    result = ""
+    patterns = "GyYuQqMLlwWdDFgEecahHKkjmsSAzZvV"
+    last = ""
+    inquote = 0
+    chars_to_strip = " -"
+    for c in input:
+        if c == "'":
+            inquote = inquote + 1
+        if inquote % 2 == 0:
+            if c in patterns:
+                if not last:
+                    last = c
+                else:
+                    if c in last:
+                        last += c
+                    else:
+                        # pattern changed
+                        converted = _convert_pattern(last)
+                        result += converted
+                        if not converted:
+                            result = result.rstrip(chars_to_strip)
+                        last = c
+                continue
+        if last:
+            # pattern ended
+            converted = _convert_pattern(last)
+            result += converted
+            if not converted:
+                result = result.rstrip(chars_to_strip)
+            last = ""
+        result += c
+    if last:
+        converted = _convert_pattern(last)
+        result += converted
+        if not converted:
+            result = result.rstrip(chars_to_strip)
+    return result.lstrip(chars_to_strip)