78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
|
# Copyright 2016 Google Inc. All Rights Reserved.
|
||
|
|
#
|
||
|
|
# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
|
||
|
|
#
|
||
|
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
# See the License for the specific language governing permissions and
|
||
|
|
# limitations under the License.
|
||
|
|
|
||
|
|
|
||
|
|
class Error(Exception):
|
||
|
|
"""Base Cu2Qu exception class for all other errors."""
|
||
|
|
|
||
|
|
|
||
|
|
class ApproxNotFoundError(Error):
|
||
|
|
def __init__(self, curve):
|
||
|
|
message = "no approximation found: %s" % curve
|
||
|
|
super().__init__(message)
|
||
|
|
self.curve = curve
|
||
|
|
|
||
|
|
|
||
|
|
class UnequalZipLengthsError(Error):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class IncompatibleGlyphsError(Error):
|
||
|
|
def __init__(self, glyphs):
|
||
|
|
assert len(glyphs) > 1
|
||
|
|
self.glyphs = glyphs
|
||
|
|
names = set(repr(g.name) for g in glyphs)
|
||
|
|
if len(names) > 1:
|
||
|
|
self.combined_name = "{%s}" % ", ".join(sorted(names))
|
||
|
|
else:
|
||
|
|
self.combined_name = names.pop()
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return "<%s %s>" % (type(self).__name__, self.combined_name)
|
||
|
|
|
||
|
|
|
||
|
|
class IncompatibleSegmentNumberError(IncompatibleGlyphsError):
|
||
|
|
def __str__(self):
|
||
|
|
return "Glyphs named %s have different number of segments" % (
|
||
|
|
self.combined_name
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class IncompatibleSegmentTypesError(IncompatibleGlyphsError):
|
||
|
|
def __init__(self, glyphs, segments):
|
||
|
|
IncompatibleGlyphsError.__init__(self, glyphs)
|
||
|
|
self.segments = segments
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
lines = []
|
||
|
|
ndigits = len(str(max(self.segments)))
|
||
|
|
for i, tags in sorted(self.segments.items()):
|
||
|
|
lines.append(
|
||
|
|
"%s: (%s)" % (str(i).rjust(ndigits), ", ".join(repr(t) for t in tags))
|
||
|
|
)
|
||
|
|
return "Glyphs named %s have incompatible segment types:\n %s" % (
|
||
|
|
self.combined_name,
|
||
|
|
"\n ".join(lines),
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class IncompatibleFontsError(Error):
|
||
|
|
def __init__(self, glyph_errors):
|
||
|
|
self.glyph_errors = glyph_errors
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return "fonts contains incompatible glyphs: %s" % (
|
||
|
|
", ".join(repr(g) for g in sorted(self.glyph_errors.keys()))
|
||
|
|
)
|