Mercurial > hg > mercurial-crew-with-dirclash
diff mercurial/mdiff.py @ 3044:fcadf7a32425
Merge with mpm
author | Josef "Jeff" Sipek <jeffpc@josefsipek.net> |
---|---|
date | Sun, 03 Sep 2006 06:06:02 -0400 |
parents | 8b02af865990 |
children | d838bfac668d |
line wrap: on
line diff
--- a/mercurial/mdiff.py +++ b/mercurial/mdiff.py @@ -1,6 +1,6 @@ # mdiff.py - diff and patch routines for mercurial # -# Copyright 2005 Matt Mackall <mpm@selenic.com> +# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms # of the GNU General Public License, incorporated herein by reference. @@ -19,14 +19,41 @@ def splitnewlines(text): lines[-1] = lines[-1][:-1] return lines -def unidiff(a, ad, b, bd, fn, r=None, text=False, - showfunc=False, ignorews=False, ignorewsamount=False, - ignoreblanklines=False): +class diffopts(object): + '''context is the number of context lines + text treats all files as text + showfunc enables diff -p output + git enables the git extended patch format + ignorews ignores all whitespace changes in the diff + ignorewsamount ignores changes in the amount of whitespace + ignoreblanklines ignores changes whose lines are all blank''' + defaults = { + 'context': 3, + 'text': False, + 'showfunc': True, + 'git': False, + 'ignorews': False, + 'ignorewsamount': False, + 'ignoreblanklines': False, + } + + __slots__ = defaults.keys() + + def __init__(self, **opts): + for k in self.__slots__: + v = opts.get(k) + 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): if not a and not b: return "" epoch = util.datestr((0, 0)) - if not text and (util.binary(a) or util.binary(b)): + if not opts.text and (util.binary(a) or util.binary(b)): l = ['Binary file %s has changed\n' % fn] elif not a: b = splitnewlines(b) @@ -49,10 +76,7 @@ def unidiff(a, ad, b, bd, fn, r=None, te else: al = splitnewlines(a) bl = splitnewlines(b) - l = list(bunidiff(a, b, al, bl, "a/" + fn, "b/" + fn, - showfunc=showfunc, ignorews=ignorews, - ignorewsamount=ignorewsamount, - ignoreblanklines=ignoreblanklines)) + l = list(bunidiff(a, b, al, bl, "a/" + fn, "b/" + fn, opts=opts)) if not l: return "" # difflib uses a space, rather than a tab l[0] = "%s\t%s\n" % (l[0][:-2], ad) @@ -72,21 +96,15 @@ def unidiff(a, ad, b, bd, fn, r=None, te # t1 and t2 are the text to be diffed # l1 and l2 are the text broken up into lines # header1 and header2 are the filenames for the diff output -# context is the number of context lines -# showfunc enables diff -p output -# ignorews ignores all whitespace changes in the diff -# ignorewsamount ignores changes in the amount of whitespace -# ignoreblanklines ignores changes whose lines are all blank -def bunidiff(t1, t2, l1, l2, header1, header2, context=3, showfunc=False, - ignorews=False, ignorewsamount=False, ignoreblanklines=False): +def bunidiff(t1, t2, l1, l2, header1, header2, opts=defaultopts): def contextend(l, len): - ret = l + context + ret = l + opts.context if ret > len: ret = len return ret def contextstart(l): - ret = l - context + ret = l - opts.context if ret < 0: return 0 return ret @@ -101,7 +119,7 @@ def bunidiff(t1, t2, l1, l2, header1, he blen = b2 - bstart + aend - a2 func = "" - if showfunc: + if opts.showfunc: # walk backwards from the start of the context # to find a line starting with an alphanumeric char. for x in xrange(astart, -1, -1): @@ -119,14 +137,14 @@ def bunidiff(t1, t2, l1, l2, header1, he header = [ "--- %s\t\n" % header1, "+++ %s\t\n" % header2 ] - if showfunc: + if opts.showfunc: funcre = re.compile('\w') - if ignorewsamount: + if opts.ignorewsamount: wsamountre = re.compile('[ \t]+') wsappendedre = re.compile(' \n') - if ignoreblanklines: + if opts.ignoreblanklines: wsblanklinesre = re.compile('\n') - if ignorews: + if opts.ignorews: wsre = re.compile('[ \t]') # bdiff.blocks gives us the matching sequences in the files. The loop @@ -159,13 +177,13 @@ def bunidiff(t1, t2, l1, l2, header1, he if not old and not new: continue - if ignoreblanklines: + if opts.ignoreblanklines: wsold = wsblanklinesre.sub('', "".join(old)) wsnew = wsblanklinesre.sub('', "".join(new)) if wsold == wsnew: continue - if ignorewsamount: + if opts.ignorewsamount: wsold = wsamountre.sub(' ', "".join(old)) wsold = wsappendedre.sub('\n', wsold) wsnew = wsamountre.sub(' ', "".join(new)) @@ -173,7 +191,7 @@ def bunidiff(t1, t2, l1, l2, header1, he if wsold == wsnew: continue - if ignorews: + if opts.ignorews: wsold = wsre.sub('', "".join(old)) wsnew = wsre.sub('', "".join(new)) if wsold == wsnew: @@ -184,7 +202,7 @@ def bunidiff(t1, t2, l1, l2, header1, he prev = None if hunk: # join with the previous hunk if it falls inside the context - if astart < hunk[1] + context + 1: + if astart < hunk[1] + opts.context + 1: prev = hunk astart = hunk[1] bstart = hunk[3]