eric6/Plugins/VcsPlugins/vcsMercurial/HgDiffHighlighter.py

Sun, 14 Apr 2019 15:09:21 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 14 Apr 2019 15:09:21 +0200
changeset 6942
2602857055c5
parent 6645
Plugins/VcsPlugins/vcsMercurial/HgDiffHighlighter.py@ad476851d7e0
child 7229
53054eb5b15a
permissions
-rw-r--r--

Major restructuring of the source tree to get prepared for a setup.py based installation.

# -*- coding: utf-8 -*-

# Copyright (c) 2015 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a syntax highlighter for unified and context diff outputs.
"""

from __future__ import unicode_literals

from E5Gui.E5GenericDiffHighlighter import TERMINAL, E5GenericDiffHighlighter


class HgDiffHighlighter(E5GenericDiffHighlighter):
    """
    Class implementing a diff highlighter for Git.
    """
    def __init__(self, doc):
        """
        Constructor
        
        @param doc reference to the text document (QTextDocument)
        """
        super(HgDiffHighlighter, self).__init__(doc)

    def generateRules(self):
        """
        Public method to generate the rule set.
        """
        diffHeader = self.makeFormat(fg=self.textColor,
                                     bg=self.headerColor)
        diffContext = self.makeFormat(fg=self.textColor,
                                      bg=self.contextColor)

        diffAdded = self.makeFormat(fg=self.textColor,
                                    bg=self.addedColor)
        diffRemoved = self.makeFormat(fg=self.textColor,
                                      bg=self.removedColor)
        
        diffHeaderRegex = TERMINAL(r'^diff -r ')

        diffOldRegex = TERMINAL(r'^--- ')
        diffNewRegex = TERMINAL(r'^\+\+\+ ')
        diffContextRegex = TERMINAL(r'^@@ ')
        
        diffAddedRegex = TERMINAL(r'^\+')
        diffRemovedRegex = TERMINAL(r'^-')
        
        self.createRules((diffOldRegex, diffRemoved),
                         (diffNewRegex, diffAdded),
                         (diffContextRegex, diffContext),
                         (diffHeaderRegex, diffHeader),
                         (diffAddedRegex, diffAdded),
                         (diffRemovedRegex, diffRemoved),
                         )

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