def run(self, edit, payload=None, **kwargs):
old_content = self.view.substr(sublime.Region(0, self.view.size()))
if old_content == payload:
return
viewport = self.view.viewport_position()
self.view.replace(edit, sublime.Region(0, self.view.size()), payload)
diff = diff_match_patch().diff_lineMode(old_content, payload, time.time() + 10)
offset = 0
begin = 0
end = 0
for item in diff:
if item[0] == 1 and begin == 0:
begin = offset
if item[0] != -1:
offset += len(item[1])
if item[0] == 1:
end = offset
self.view.add_regions('diff', [sublime.Region(begin, end)], 'comment')
self.view.set_viewport_position(viewport)
sublime.set_timeout(partial(self.set_viewport_position_, viewport), 0)
sublime.set_timeout(self.clear_diff_markers_, 150)
# Patch generation methods, only available if the google-diff-match-patch
# library is installed.
#
# http://code.google.com/p/google-diff-match-patch/
try:
from diff.diff_match_patch import diff_match_patch
except ImportError:
pass
else:
dmp = diff_match_patch()
def generate_diffs(old_version, new_version, field_name, cleanup):
"""Generates a diff array for the named field between the two versions."""
# Extract the text from the versions.
old_text = old_version.field_dict[field_name] or u""
new_text = new_version.field_dict[field_name] or u""
# Generate the patch.
diffs = dmp.diff_main(unicode(old_text), unicode(new_text))
if cleanup == "semantic":
dmp.diff_cleanupSemantic(diffs)
elif cleanup == "efficiency":
dmp.diff_cleanupEfficiency(diffs)
elif cleanup is None:
pass
else:
raise ValueError("cleanup parameter should be one of 'semantic', 'efficiency' or None.")
return diffs
def generate_patch(old_version, new_version, field_name, cleanup=None):
