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from fontTools.otlLib.builder import (
AlternateSubstBuilder,
ChainContextPosBuilder,
ChainContextSubstBuilder,
LigatureSubstBuilder,
MultipleSubstBuilder,
CursivePosBuilder,
MarkBasePosBuilder,
MarkLigPosBuilder,
MarkMarkPosBuilder,
ReverseChainSingleSubstBuilder,
SingleSubstBuilder,
ClassPairPosSubtableBuilder,
PairPosBuilder,
SinglePosBuilder,
ChainContextualRule
)
from fontTools.otlLib.error import OpenTypeLibError
from fontTools.ttLib import TTFont
from fontTools.misc.loggingTools import CapturingLogHandler
import logging
import pytest
@pytest.fixture
def ttfont():
glyphs = """
.notdef space slash fraction semicolon period comma ampersand
quotedblleft quotedblright quoteleft quoteright
zero one two three four five six seven eight nine
zero.oldstyle one.oldstyle two.oldstyle three.oldstyle
four.oldstyle five.oldstyle six.oldstyle seven.oldstyle
eight.oldstyle nine.oldstyle onequarter onehalf threequarters
onesuperior twosuperior threesuperior ordfeminine ordmasculine
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
a b c d e f g h i j k l m n o p q r s t u v w x y z
A.sc B.sc C.sc D.sc E.sc F.sc G.sc H.sc I.sc J.sc K.sc L.sc M.sc
N.sc O.sc P.sc Q.sc R.sc S.sc T.sc U.sc V.sc W.sc X.sc Y.sc Z.sc
A.alt1 A.alt2 A.alt3 B.alt1 B.alt2 B.alt3 C.alt1 C.alt2 C.alt3
a.alt1 a.alt2 a.alt3 a.end b.alt c.mid d.alt d.mid
e.begin e.mid e.end m.begin n.end s.end z.end
Eng Eng.alt1 Eng.alt2 Eng.alt3
A.swash B.swash C.swash D.swash E.swash F.swash G.swash H.swash
I.swash J.swash K.swash L.swash M.swash N.swash O.swash P.swash
Q.swash R.swash S.swash T.swash U.swash V.swash W.swash X.swash
Y.swash Z.swash
f_l c_h c_k c_s c_t f_f f_f_i f_f_l f_i o_f_f_i s_t f_i.begin
a_n_d T_h T_h.swash germandbls ydieresis yacute breve
grave acute dieresis macron circumflex cedilla umlaut ogonek caron
damma hamza sukun kasratan lam_meem_jeem noon.final noon.initial
by feature lookup sub table uni0327 uni0328 e.fina
""".split()
glyphs.extend("cid{:05d}".format(cid) for cid in range(800, 1001 + 1))
font = TTFont()
font.setGlyphOrder(glyphs)
return font
class MockBuilderLocation(object):
def __init__(self, location):
self.location = location
def __str__(self):
return "%s:%s" % self.location
def test_unsupported_subtable_break_1(ttfont):
location = MockBuilderLocation((0, "alpha"))
logger = logging.getLogger("fontTools.otlLib.builder")
with CapturingLogHandler(logger, "INFO") as captor:
builder = SinglePosBuilder(ttfont, location)
builder.add_subtable_break(MockBuilderLocation((5, "beta")))
builder.build()
captor.assertRegex('5:beta: unsupported "subtable" statement for lookup type')
def test_chain_pos_references_GSUB_lookup(ttfont):
location = MockBuilderLocation((0, "alpha"))
builder = ChainContextPosBuilder(ttfont, location)
builder2 = SingleSubstBuilder(ttfont, location)
builder.rules.append(ChainContextualRule([], [], [], [[builder2]]))
with pytest.raises(OpenTypeLibError, match="0:alpha: Missing index of the specified lookup, might be a substitution lookup"):
builder.build()
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