1 #!/usr/bin/env python

     2 #############################################################################

     3 ##

     4 ## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

     5 ## All rights reserved.

     6 ## Contact: Nokia Corporation (qt-info@nokia.com)

     7 ##

     8 ## This file is part of the test suite of the Qt Toolkit.

     9 ##

    10 ## $QT_BEGIN_LICENSE:LGPL$

    11 ## No Commercial Usage

    12 ## This file contains pre-release code and may not be distributed.

    13 ## You may use this file in accordance with the terms and conditions

    14 ## contained in the Technology Preview License Agreement accompanying

    15 ## this package.

    16 ##

    17 ## GNU Lesser General Public License Usage

    18 ## Alternatively, this file may be used under the terms of the GNU Lesser

    19 ## General Public License version 2.1 as published by the Free Software

    20 ## Foundation and appearing in the file LICENSE.LGPL included in the

    21 ## packaging of this file.  Please review the following information to

    22 ## ensure the GNU Lesser General Public License version 2.1 requirements

    23 ## will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    24 ##

    25 ## In addition, as a special exception, Nokia gives you certain additional

    26 ## rights.  These rights are described in the Nokia Qt LGPL Exception

    27 ## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    28 ##

    29 ## If you have questions regarding the use of this file, please contact

    30 ## Nokia at qt-info@nokia.com.

    31 ##

    32 ##

    33 ##

    34 ##

    35 ##

    36 ##

    37 ##

    38 ##

    39 ## $QT_END_LICENSE$

    40 ##

    41 #############################################################################

    42 

    43 import re

    44 

    45 def _convert_pattern(pattern):

    46     # patterns from http://www.unicode.org/reports/tr35/#Date_Format_Patterns

    47     qt_regexps = {

    48         r"yyy{3,}" : "yyyy", # more that three digits hence convert to four-digit year

    49         r"L" : "M",          # stand-alone month names. not supported.

    50         r"g{1,}": "",        # modified julian day. not supported.

    51         r"S{1,}" : "",       # fractional seconds. not supported.

    52         r"A{1,}" : ""        # milliseconds in day. not supported.

    53     }

    54     qt_patterns = {

    55         "G" : "", "GG" : "", "GGG" : "", "GGGG" : "", "GGGGG" : "", # Era. not supported.

    56         "y" : "yyyy", # four-digit year without leading zeroes

    57         "Q" : "", "QQ" : "", "QQQ" : "", "QQQQ" : "", # quarter. not supported.

    58         "q" : "", "qq" : "", "qqq" : "", "qqqq" : "", # quarter. not supported.

    59         "MMMMM" : "MMM", # narrow month name.

    60         "LLLLL" : "MMM", # stand-alone narrow month name.

    61         "l" : "", # special symbol for chinese leap month. not supported.

    62         "w" : "", "W" : "", # week of year/month. not supported.

    63         "D" : "", "DD" : "", "DDD" : "", # day of year. not supported.

    64         "F" : "", # day of week in month. not supported.

    65         "E" : "ddd", "EE" : "ddd", "EEE" : "ddd", "EEEEE" : "ddd", "EEEE" : "dddd", # day of week

    66         "e" : "ddd", "ee" : "ddd", "eee" : "ddd", "eeeee" : "ddd", "eeee" : "dddd", # local day of week

    67         "c" : "ddd", "cc" : "ddd", "ccc" : "ddd", "ccccc" : "ddd", "cccc" : "dddd", # stand-alone local day of week

    68         "a" : "AP", # AM/PM

    69         "K" : "h", # Hour 0-11

    70         "k" : "H", # Hour 1-24

    71         "j" : "", # special reserved symbol.

    72         "z" : "t", "zz" : "t", "zzz" : "t", "zzzz" : "t", # timezone

    73         "Z" : "t", "ZZ" : "t", "ZZZ" : "t", "ZZZZ" : "t", # timezone

    74         "v" : "t", "vv" : "t", "vvv" : "t", "vvvv" : "t", # timezone

    75         "V" : "t", "VV" : "t", "VVV" : "t", "VVVV" : "t"  # timezone

    76     }

    77     if qt_patterns.has_key(pattern):

    78         return qt_patterns[pattern]

    79     for r,v in qt_regexps.items():

    80         pattern = re.sub(r, v, pattern)

    81     return pattern

    82 

    83 def convert_date(input):

    84     result = ""

    85     patterns = "GyYuQqMLlwWdDFgEecahHKkjmsSAzZvV"

    86     last = ""

    87     inquote = 0

    88     chars_to_strip = " -"

    89     for c in input:

    90         if c == "'":

    91             inquote = inquote + 1

    92         if inquote % 2 == 0:

    93             if c in patterns:

    94                 if not last:

    95                     last = c

    96                 else:

    97                     if c in last:

    98                         last += c

    99                     else:

   100                         # pattern changed

   101                         converted = _convert_pattern(last)

   102                         result += converted

   103                         if not converted:

   104                             result = result.rstrip(chars_to_strip)

   105                         last = c

   106                 continue

   107         if last:

   108             # pattern ended

   109             converted = _convert_pattern(last)

   110             result += converted

   111             if not converted:

   112                 result = result.rstrip(chars_to_strip)

   113             last = ""

   114         result += c

   115     if last:

   116         converted = _convert_pattern(last)

   117         result += converted

   118         if not converted:

   119             result = result.rstrip(chars_to_strip)

   120     return result.lstrip(chars_to_strip)