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sbsDiff.py
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#!/usr/bin/env python
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
# License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is "side by side diff" code.
#
# The Initial Developer of the Original Code is ActiveState Software Inc.
# Portions created by ActiveState Software Inc are Copyright (C) 2008-2009
# ActiveState Software Inc. All Rights Reserved.
#
# Contributor(s):
# Todd Whiteman @ ActiveState Software Inc
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
import os
import sys
from xpcom import components, ServerException, nsError
from xpcom.server import WrapObject, UnwrapObject
rvb_path = os.path.join(os.path.dirname(os.path.dirname(__file__)), "pylib", "reviewboard")
if rvb_path not in sys.path:
sys.path.append(rvb_path)
os.environ["DJANGO_SETTINGS_MODULE"] = "settings"
class sbsDiff:
_com_interfaces_ = [components.interfaces.sbsIDiff]
_reg_clsid_ = "{63a9448f-cfd2-4bed-9358-84fabf68d910}"
_reg_contractid_ = "@activestate.com/sbsDiff;1"
_reg_desc_ = "Side by side diff component for generating HTML diffs"
def __init__(self):
self.enable_syntax_highlighting = True
self.cwd = None
self.koDiff = None
html_template = """
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html lang="en">
<head>
<title>Diff</title>
<link rel="stylesheet" type="text/css" href="chrome://sbsdiff/skin/common.css" />
<link rel="stylesheet" type="text/css" href="chrome://sbsdiff/skin/diffviewer.css" />
<link rel="stylesheet" type="text/css" href="chrome://sbsdiff/skin/syntax.css" />
<script type="text/javascript" src="chrome://sbsdiff/content/diffviewer.js"></script>
</head>
<body>
%s
</body>
</html>
"""
def generateSbsDiff(self, koIDiff):
#diff_data = file("/tmp/fd.patch").read()
import sbs_diff_helper
reload(sbs_diff_helper)
self.koDiff = UnwrapObject(koIDiff)
sbsdiff = sbs_diff_helper.SideBySideDiff(self.koDiff,
self.cwd,
self.enable_syntax_highlighting)
return self.html_template % (sbsdiff.toHTML())
def filepathFromChunkId(self, chunk_id):
sp = chunk_id.split(".")
if len(sp) == 3:
try:
file_pos = int(sp[1]) - 1
if file_pos >= 0 and file_pos < len(self.koDiff.diffex.file_diffs):
return self.koDiff.diffex.file_diffs[file_pos].best_path(self.cwd)
except ValueError:
pass
def diffLinenoFromChunkId(self, chunk_id):
sp = chunk_id.split(".")
if len(sp) == 3:
try:
file_pos = int(sp[1]) - 1
if file_pos >= 0 and file_pos < len(self.koDiff.diffex.file_diffs):
fd = self.koDiff.diffex.file_diffs[file_pos]
diff_lineno = fd.hunks[0].start_line
return self.koDiff.diffex.file_pos_from_diff_pos(diff_lineno, 0)[1]
except ValueError:
pass
return -1