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  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2014-01-12 02:16:21 UTC
  • mfrom: (1.2.9) (4.1.9 sid)
  • Revision ID: package-import@ubuntu.com-20140112021621-f4mpp5qaj1dkq2yb
Tags: 2.8~20140112-1
* New upstream snapshot.
* Build python3 packages.

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src/reportlab/lib/textsplit.py
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"""
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__version__=''' $Id: textsplit.py 3959 2012-09-27 14:39:39Z robin $ '''
 
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__version__=''' $Id$ '''
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from types import StringType, UnicodeType
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from unicodedata import category
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from reportlab.pdfbase.pdfmetrics import stringWidth
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from reportlab.rl_config import _FUZZ
 
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from reportlab.lib.utils import isUnicode
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CANNOT_START_LINE = [
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    #strongly prohibited e.g. end brackets, stop, exclamation...
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    >>> wordSplit('HelloWorld', 31, 'Courier', 10)
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    [[1.0, 'Hello'], [1.0, 'World']]
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    """
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    if type(word) is not UnicodeType:
 
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    if not isUnicode(word):
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        uword = word.decode(encoding)
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    else:
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        uword = word
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    charWidths = getCharWidths(uword, fontName, fontSize)
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    lines = dumbSplit(uword, charWidths, maxWidths)
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    if type(word) is not UnicodeType:
 
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    if not isUnicode(word):
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        lines2 = []
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        #convert back
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        for (extraSpace, text) in lines:
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    (u'\u65e5\u672c\u8a9e', u'\u306f\u96e3\u3057\u3044\u3067\u3059\u306d\uff01')
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    """
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    if not isinstance(maxWidths,(list,tuple)): maxWidths = [maxWidths]
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    assert type(word) is UnicodeType
 
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    assert isUnicode(word)
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    lines = []
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    i = widthUsed = lineStartPos = 0
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    maxWidth = maxWidths[0]
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                #  - reversion to Kanji (which would be a good split point)
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                #  - in the worst case, roughly half way back along the line
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                limitCheck = (lineStartPos+i)>>1        #(arbitrary taste issue)
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                for j in xrange(i-1,limitCheck,-1):
 
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                for j in range(i-1,limitCheck,-1):
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                    cj = word[j]
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                    if category(cj)=='Zs' or ord(cj)>=0x3000:
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                        k = j+1
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#
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#  http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/148061
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import re
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rx=re.compile(u"([\u2e80-\uffff])", re.UNICODE)
 
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rx=re.compile("([\u2e80-\uffff])", re.UNICODE)
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def cjkwrap(text, width, encoding="utf8"):
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     return reduce(lambda line, word, width=width: '%s%s%s' %
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                (line,
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                       + len(word.split('\n',1)[0] ) >= width) or
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                      line[-1:] == '\0' and 2],
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                 word),
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                rx.sub(r'\1\0 ', unicode(text,encoding)).split(' ')
 
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                rx.sub(r'\1\0 ', str(text,encoding)).split(' ')
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            ).replace('\0', '').encode(encoding)
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if __name__=='__main__':
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    import doctest
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    import textsplit
 
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    from reportlab.lib import textsplit
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    doctest.testmod(textsplit)