comparison mercurial/mdiff.py @ 4878:372d93f03d3a

diff: correctly handle combinations of whitespace options

4877:242026115e6a

            if v is None:
                v = self.defaults[k]
            setattr(self, k, v)

defaultopts = diffopts()

def unidiff(a, ad, b, bd, fn, r=None, opts=defaultopts):
    def datetag(date, addtab=True):
        if not opts.git and not opts.nodates:
            return '\t%s\n' % date

    header = [ "--- %s\t\n" % header1, "+++ %s\t\n" % header2 ]

    if opts.showfunc:
        funcre = re.compile('\w')
    if opts.ignorewsamount:
        wsamountre = re.compile('[ \t]+')
        wsappendedre = re.compile(' \n')
    if opts.ignoreblanklines:
        wsblanklinesre = re.compile('\n')
    if opts.ignorews:
        wsre = re.compile('[ \t]')

    # bdiff.blocks gives us the matching sequences in the files.  The loop
    # below finds the spaces between those matching sequences and translates
    # them into diff output.
    #

        # bdiff sometimes gives huge matches past eof, this check eats them,
        # and deals with the special first match case described above
        if not old and not new:
            continue

        if opts.ignoreblanklines:
            wsold = wsblanklinesre.sub('', "".join(old))
            wsnew = wsblanklinesre.sub('', "".join(new))
            if wsold == wsnew:
                continue

        if opts.ignorewsamount:
            wsold = wsamountre.sub(' ', "".join(old))
            wsold = wsappendedre.sub('\n', wsold)
            wsnew = wsamountre.sub(' ', "".join(new))
            wsnew = wsappendedre.sub('\n', wsnew)
            if wsold == wsnew:
                continue

        if opts.ignorews:
            wsold = wsre.sub('', "".join(old))
            wsnew = wsre.sub('', "".join(new))
            if wsold == wsnew:
                continue

        astart = contextstart(a1)
        bstart = contextstart(b1)
        prev = None

4878:372d93f03d3a

            if v is None:
                v = self.defaults[k]
            setattr(self, k, v)

defaultopts = diffopts()

def wsclean(opts, text):
    if opts.ignorews:
        text = re.sub('[ \t]+', '', text)
    elif opts.ignorewsamount:
        text = re.sub('[ \t]+', ' ', text)
        text = re.sub('[ \t]+\n', '\n', text)
    if opts.ignoreblanklines:
        text = re.sub('\n+', '', text)
    return text

def unidiff(a, ad, b, bd, fn, r=None, opts=defaultopts):
    def datetag(date, addtab=True):
        if not opts.git and not opts.nodates:
            return '\t%s\n' % date

    header = [ "--- %s\t\n" % header1, "+++ %s\t\n" % header2 ]

    if opts.showfunc:
        funcre = re.compile('\w')

    # bdiff.blocks gives us the matching sequences in the files.  The loop
    # below finds the spaces between those matching sequences and translates
    # them into diff output.
    #

        # bdiff sometimes gives huge matches past eof, this check eats them,
        # and deals with the special first match case described above
        if not old and not new:
            continue

        if opts.ignorews or opts.ignorewsamount or opts.ignoreblanklines:
            if wsclean(opts, "".join(old)) == wsclean(opts, "".join(new)):
                continue

        astart = contextstart(a1)
        bstart = contextstart(b1)
        prev = None