Changeset - a264d898ca08
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beta
0 1 0
Marcin Kuzminski - 13 years ago 2012-05-30 20:46:37
marcin@python-works.com
Alwas show initial context on html diffs.
1 file changed with 5 insertions and 6 deletions:
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rhodecode/lib/diffs.py
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@@ -241,143 +241,142 @@ class DiffProcessor(object):
 
                if oldfrag:
 
                    oldfrag = '<del>%s</del>' % oldfrag
 
                if newfrag:
 
                    newfrag = '<ins>%s</ins>' % newfrag
 
            oldfragments.append(oldfrag)
 
            newfragments.append(newfrag)
 

	
 
        old['line'] = "".join(oldfragments)
 
        new['line'] = "".join(newfragments)
 

	
 
    def _highlight_line_udiff(self, line, next_):
 
        """
 
        Highlight inline changes in both lines.
 
        """
 
        start = 0
 
        limit = min(len(line['line']), len(next_['line']))
 
        while start < limit and line['line'][start] == next_['line'][start]:
 
            start += 1
 
        end = -1
 
        limit -= start
 
        while -end <= limit and line['line'][end] == next_['line'][end]:
 
            end -= 1
 
        end += 1
 
        if start or end:
 
            def do(l):
 
                last = end + len(l['line'])
 
                if l['action'] == 'add':
 
                    tag = 'ins'
 
                else:
 
                    tag = 'del'
 
                l['line'] = '%s<%s>%s</%s>%s' % (
 
                    l['line'][:start],
 
                    tag,
 
                    l['line'][start:last],
 
                    tag,
 
                    l['line'][last:]
 
                )
 
            do(line)
 
            do(next_)
 

	
 
    def _parse_udiff(self):
 
        """
 
        Parse the diff an return data for the template.
 
        """
 
        lineiter = self.lines
 
        files = []
 
        try:
 
            line = lineiter.next()
 
            # skip first context
 
            skipfirst = True
 
            while 1:
 
                # continue until we found the old file
 
                if not line.startswith('--- '):
 
                    line = lineiter.next()
 
                    continue
 

	
 
                chunks = []
 
                filename, old_rev, new_rev = \
 
                    self._extract_rev(line, lineiter.next())
 
                files.append({
 
                    'filename':         filename,
 
                    'old_revision':     old_rev,
 
                    'new_revision':     new_rev,
 
                    'chunks':           chunks
 
                })
 

	
 
                line = lineiter.next()
 
                while line:
 
                    match = self._chunk_re.match(line)
 
                    if not match:
 
                        break
 

	
 
                    lines = []
 
                    chunks.append(lines)
 

	
 
                    old_line, old_end, new_line, new_end = \
 
                        [int(x or 1) for x in match.groups()[:-1]]
 
                    old_line -= 1
 
                    new_line -= 1
 
                    context = len(match.groups()) == 5
 
                    gr = match.groups()
 
                    context = len(gr) == 5
 
                    old_end += old_line
 
                    new_end += new_line
 

	
 
                    if context:
 
                        if not skipfirst:
 
                        # skip context only if it's first line
 
                        if int(gr[0]) > 1:
 
                            lines.append({
 
                                'old_lineno': '...',
 
                                'new_lineno': '...',
 
                                'action':     'context',
 
                                'line':       line,
 
                            })
 
                        else:
 
                            skipfirst = False
 

	
 
                    line = lineiter.next()
 

	
 
                    while old_line < old_end or new_line < new_end:
 
                        if line:
 
                            command, line = line[0], line[1:]
 
                        else:
 
                            command = ' '
 
                        affects_old = affects_new = False
 

	
 
                        # ignore those if we don't expect them
 
                        if command in '#@':
 
                            continue
 
                        elif command == '+':
 
                            affects_new = True
 
                            action = 'add'
 
                        elif command == '-':
 
                            affects_old = True
 
                            action = 'del'
 
                        else:
 
                            affects_old = affects_new = True
 
                            action = 'unmod'
 

	
 
                        old_line += affects_old
 
                        new_line += affects_new
 
                        lines.append({
 
                            'old_lineno':   affects_old and old_line or '',
 
                            'new_lineno':   affects_new and new_line or '',
 
                            'action':       action,
 
                            'line':         line
 
                        })
 
                        line = lineiter.next()
 

	
 
        except StopIteration:
 
            pass
 

	
 
        # highlight inline changes
 
        for _ in files:
 
            for chunk in chunks:
 
                lineiter = iter(chunk)
 
                #first = True
 
                try:
 
                    while 1:
 
                        line = lineiter.next()
 
                        if line['action'] != 'unmod':
 
                            nextline = lineiter.next()
 
                            if nextline['action'] == 'unmod' or \
 
                               nextline['action'] == line['action']:
 
                                continue
 
                            self.differ(line, nextline)
 
                except StopIteration:
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