| from fontTools.voltLib import ast |
| from fontTools.voltLib.error import VoltLibError |
| from fontTools.voltLib.parser import Parser |
| from io import StringIO |
| import unittest |
| |
| |
| class ParserTest(unittest.TestCase): |
| def __init__(self, methodName): |
| unittest.TestCase.__init__(self, methodName) |
| # Python 3 renamed assertRaisesRegexp to assertRaisesRegex, |
| # and fires deprecation warnings if a program uses the old name. |
| if not hasattr(self, "assertRaisesRegex"): |
| self.assertRaisesRegex = self.assertRaisesRegexp |
| |
| def assertSubEqual(self, sub, glyph_ref, replacement_ref): |
| glyphs = [[g.glyph for g in v] for v in sub.mapping.keys()] |
| replacement = [[g.glyph for g in v] for v in sub.mapping.values()] |
| |
| self.assertEqual(glyphs, glyph_ref) |
| self.assertEqual(replacement, replacement_ref) |
| |
| def test_def_glyph_base(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH ".notdef" ID 0 TYPE BASE END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| (".notdef", 0, None, "BASE", None), |
| ) |
| |
| def test_def_glyph_base_with_unicode(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH "space" ID 3 UNICODE 32 TYPE BASE END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("space", 3, [0x0020], "BASE", None), |
| ) |
| |
| def test_def_glyph_base_with_unicodevalues(self): |
| [def_glyph] = self.parse_( |
| 'DEF_GLYPH "CR" ID 2 UNICODEVALUES "U+0009" ' "TYPE BASE END_GLYPH" |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("CR", 2, [0x0009], "BASE", None), |
| ) |
| |
| def test_def_glyph_base_with_mult_unicodevalues(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH "CR" ID 2 UNICODEVALUES "U+0009,U+000D" ' "TYPE BASE END_GLYPH" |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("CR", 2, [0x0009, 0x000D], "BASE", None), |
| ) |
| |
| def test_def_glyph_base_with_empty_unicodevalues(self): |
| [def_glyph] = self.parse_( |
| 'DEF_GLYPH "i.locl" ID 269 UNICODEVALUES "" ' "TYPE BASE END_GLYPH" |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("i.locl", 269, None, "BASE", None), |
| ) |
| |
| def test_def_glyph_base_2_components(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH "glyphBase" ID 320 TYPE BASE COMPONENTS 2 END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("glyphBase", 320, None, "BASE", 2), |
| ) |
| |
| def test_def_glyph_ligature_2_components(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH "f_f" ID 320 TYPE LIGATURE COMPONENTS 2 END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("f_f", 320, None, "LIGATURE", 2), |
| ) |
| |
| def test_def_glyph_mark(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH "brevecomb" ID 320 TYPE MARK END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("brevecomb", 320, None, "MARK", None), |
| ) |
| |
| def test_def_glyph_component(self): |
| [def_glyph] = self.parse( |
| 'DEF_GLYPH "f.f_f" ID 320 TYPE COMPONENT END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("f.f_f", 320, None, "COMPONENT", None), |
| ) |
| |
| def test_def_glyph_no_type(self): |
| [def_glyph] = self.parse('DEF_GLYPH "glyph20" ID 20 END_GLYPH').statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| ("glyph20", 20, None, None, None), |
| ) |
| |
| def test_def_glyph_case_sensitive(self): |
| def_glyphs = self.parse( |
| 'DEF_GLYPH "A" ID 3 UNICODE 65 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "a" ID 4 UNICODE 97 TYPE BASE END_GLYPH' |
| ).statements |
| self.assertEqual( |
| ( |
| def_glyphs[0].name, |
| def_glyphs[0].id, |
| def_glyphs[0].unicode, |
| def_glyphs[0].type, |
| def_glyphs[0].components, |
| ), |
| ("A", 3, [0x41], "BASE", None), |
| ) |
| self.assertEqual( |
| ( |
| def_glyphs[1].name, |
| def_glyphs[1].id, |
| def_glyphs[1].unicode, |
| def_glyphs[1].type, |
| def_glyphs[1].components, |
| ), |
| ("a", 4, [0x61], "BASE", None), |
| ) |
| |
| def test_def_group_glyphs(self): |
| [def_group] = self.parse( |
| 'DEF_GROUP "aaccented"\n' |
| ' ENUM GLYPH "aacute" GLYPH "abreve" GLYPH "acircumflex" ' |
| 'GLYPH "adieresis" GLYPH "ae" GLYPH "agrave" GLYPH "amacron" ' |
| 'GLYPH "aogonek" GLYPH "aring" GLYPH "atilde" END_ENUM\n' |
| "END_GROUP" |
| ).statements |
| self.assertEqual( |
| (def_group.name, def_group.enum.glyphSet()), |
| ( |
| "aaccented", |
| ( |
| "aacute", |
| "abreve", |
| "acircumflex", |
| "adieresis", |
| "ae", |
| "agrave", |
| "amacron", |
| "aogonek", |
| "aring", |
| "atilde", |
| ), |
| ), |
| ) |
| |
| def test_def_group_groups(self): |
| [group1, group2, test_group] = self.parse( |
| 'DEF_GROUP "Group1"\n' |
| ' ENUM GLYPH "a" GLYPH "b" GLYPH "c" GLYPH "d" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "Group2"\n' |
| ' ENUM GLYPH "e" GLYPH "f" GLYPH "g" GLYPH "h" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "TestGroup"\n' |
| ' ENUM GROUP "Group1" GROUP "Group2" END_ENUM\n' |
| "END_GROUP" |
| ).statements |
| groups = [g.group for g in test_group.enum.enum] |
| self.assertEqual((test_group.name, groups), ("TestGroup", ["Group1", "Group2"])) |
| |
| def test_def_group_groups_not_yet_defined(self): |
| [group1, test_group1, test_group2, test_group3, group2] = self.parse( |
| 'DEF_GROUP "Group1"\n' |
| ' ENUM GLYPH "a" GLYPH "b" GLYPH "c" GLYPH "d" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "TestGroup1"\n' |
| ' ENUM GROUP "Group1" GROUP "Group2" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "TestGroup2"\n' |
| ' ENUM GROUP "Group2" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "TestGroup3"\n' |
| ' ENUM GROUP "Group2" GROUP "Group1" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "Group2"\n' |
| ' ENUM GLYPH "e" GLYPH "f" GLYPH "g" GLYPH "h" END_ENUM\n' |
| "END_GROUP" |
| ).statements |
| groups = [g.group for g in test_group1.enum.enum] |
| self.assertEqual( |
| (test_group1.name, groups), ("TestGroup1", ["Group1", "Group2"]) |
| ) |
| groups = [g.group for g in test_group2.enum.enum] |
| self.assertEqual((test_group2.name, groups), ("TestGroup2", ["Group2"])) |
| groups = [g.group for g in test_group3.enum.enum] |
| self.assertEqual( |
| (test_group3.name, groups), ("TestGroup3", ["Group2", "Group1"]) |
| ) |
| |
| # def test_def_group_groups_undefined(self): |
| # with self.assertRaisesRegex( |
| # VoltLibError, |
| # r'Group "Group2" is used but undefined.'): |
| # [group1, test_group, group2] = self.parse( |
| # 'DEF_GROUP "Group1"\n' |
| # 'ENUM GLYPH "a" GLYPH "b" GLYPH "c" GLYPH "d" END_ENUM\n' |
| # 'END_GROUP\n' |
| # 'DEF_GROUP "TestGroup"\n' |
| # 'ENUM GROUP "Group1" GROUP "Group2" END_ENUM\n' |
| # 'END_GROUP\n' |
| # ).statements |
| |
| def test_def_group_glyphs_and_group(self): |
| [def_group1, def_group2] = self.parse( |
| 'DEF_GROUP "aaccented"\n' |
| ' ENUM GLYPH "aacute" GLYPH "abreve" GLYPH "acircumflex" ' |
| 'GLYPH "adieresis" GLYPH "ae" GLYPH "agrave" GLYPH "amacron" ' |
| 'GLYPH "aogonek" GLYPH "aring" GLYPH "atilde" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "KERN_lc_a_2ND"\n' |
| ' ENUM GLYPH "a" GROUP "aaccented" END_ENUM\n' |
| "END_GROUP" |
| ).statements |
| items = def_group2.enum.enum |
| self.assertEqual( |
| (def_group2.name, items[0].glyphSet(), items[1].group), |
| ("KERN_lc_a_2ND", ("a",), "aaccented"), |
| ) |
| |
| def test_def_group_range(self): |
| def_group = self.parse( |
| 'DEF_GLYPH "a" ID 163 UNICODE 97 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "agrave" ID 194 UNICODE 224 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "aacute" ID 195 UNICODE 225 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "acircumflex" ID 196 UNICODE 226 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "atilde" ID 197 UNICODE 227 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "c" ID 165 UNICODE 99 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "ccaron" ID 209 UNICODE 269 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "ccedilla" ID 210 UNICODE 231 TYPE BASE END_GLYPH\n' |
| 'DEF_GLYPH "cdotaccent" ID 210 UNICODE 267 TYPE BASE END_GLYPH\n' |
| 'DEF_GROUP "KERN_lc_a_2ND"\n' |
| ' ENUM RANGE "a" TO "atilde" GLYPH "b" RANGE "c" TO "cdotaccent" ' |
| "END_ENUM\n" |
| "END_GROUP" |
| ).statements[-1] |
| self.assertEqual( |
| (def_group.name, def_group.enum.glyphSet()), |
| ( |
| "KERN_lc_a_2ND", |
| ( |
| "a", |
| "agrave", |
| "aacute", |
| "acircumflex", |
| "atilde", |
| "b", |
| "c", |
| "ccaron", |
| "ccedilla", |
| "cdotaccent", |
| ), |
| ), |
| ) |
| |
| def test_group_duplicate(self): |
| self.assertRaisesRegex( |
| VoltLibError, |
| 'Glyph group "dupe" already defined, ' "group names are case insensitive", |
| self.parse, |
| 'DEF_GROUP "dupe"\n' |
| 'ENUM GLYPH "a" GLYPH "b" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "dupe"\n' |
| 'ENUM GLYPH "x" END_ENUM\n' |
| "END_GROUP", |
| ) |
| |
| def test_group_duplicate_case_insensitive(self): |
| self.assertRaisesRegex( |
| VoltLibError, |
| 'Glyph group "Dupe" already defined, ' "group names are case insensitive", |
| self.parse, |
| 'DEF_GROUP "dupe"\n' |
| 'ENUM GLYPH "a" GLYPH "b" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "Dupe"\n' |
| 'ENUM GLYPH "x" END_ENUM\n' |
| "END_GROUP", |
| ) |
| |
| def test_script_without_langsys(self): |
| [script] = self.parse( |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' "END_SCRIPT" |
| ).statements |
| self.assertEqual((script.name, script.tag, script.langs), ("Latin", "latn", [])) |
| |
| def test_langsys_normal(self): |
| [def_script] = self.parse( |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' |
| 'DEF_LANGSYS NAME "Romanian" TAG "ROM "\n\n' |
| "END_LANGSYS\n" |
| 'DEF_LANGSYS NAME "Moldavian" TAG "MOL "\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| self.assertEqual((def_script.name, def_script.tag), ("Latin", "latn")) |
| def_lang = def_script.langs[0] |
| self.assertEqual((def_lang.name, def_lang.tag), ("Romanian", "ROM ")) |
| def_lang = def_script.langs[1] |
| self.assertEqual((def_lang.name, def_lang.tag), ("Moldavian", "MOL ")) |
| |
| def test_langsys_no_script_name(self): |
| [langsys] = self.parse( |
| 'DEF_SCRIPT TAG "latn"\n\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| self.assertEqual((langsys.name, langsys.tag), (None, "latn")) |
| lang = langsys.langs[0] |
| self.assertEqual((lang.name, lang.tag), ("Default", "dflt")) |
| |
| def test_langsys_no_script_tag_fails(self): |
| with self.assertRaisesRegex(VoltLibError, r'.*Expected "TAG"'): |
| [langsys] = self.parse( |
| 'DEF_SCRIPT NAME "Latin"\n\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| |
| def test_langsys_duplicate_script(self): |
| with self.assertRaisesRegex( |
| VoltLibError, |
| 'Script "DFLT" already defined, ' "script tags are case insensitive", |
| ): |
| [langsys1, langsys2] = self.parse( |
| 'DEF_SCRIPT NAME "Default" TAG "DFLT"\n\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT\n" |
| 'DEF_SCRIPT TAG "DFLT"\n\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| |
| def test_langsys_duplicate_lang(self): |
| with self.assertRaisesRegex( |
| VoltLibError, |
| 'Language "dflt" already defined in script "DFLT", ' |
| "language tags are case insensitive", |
| ): |
| [langsys] = self.parse( |
| 'DEF_SCRIPT NAME "Default" TAG "DFLT"\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n' |
| "END_LANGSYS\n" |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| |
| def test_langsys_lang_in_separate_scripts(self): |
| [langsys1, langsys2] = self.parse( |
| 'DEF_SCRIPT NAME "Default" TAG "DFLT"\n\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| 'DEF_LANGSYS NAME "Default" TAG "ROM "\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT\n" |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' |
| 'DEF_LANGSYS NAME "Default" TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| 'DEF_LANGSYS NAME "Default" TAG "ROM "\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| self.assertEqual( |
| (langsys1.langs[0].tag, langsys1.langs[1].tag), ("dflt", "ROM ") |
| ) |
| self.assertEqual( |
| (langsys2.langs[0].tag, langsys2.langs[1].tag), ("dflt", "ROM ") |
| ) |
| |
| def test_langsys_no_lang_name(self): |
| [langsys] = self.parse( |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' |
| 'DEF_LANGSYS TAG "dflt"\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| self.assertEqual((langsys.name, langsys.tag), ("Latin", "latn")) |
| lang = langsys.langs[0] |
| self.assertEqual((lang.name, lang.tag), (None, "dflt")) |
| |
| def test_langsys_no_langsys_tag_fails(self): |
| with self.assertRaisesRegex(VoltLibError, r'.*Expected "TAG"'): |
| [langsys] = self.parse( |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' |
| 'DEF_LANGSYS NAME "Default"\n\n' |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| |
| def test_feature(self): |
| [def_script] = self.parse( |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' |
| 'DEF_LANGSYS NAME "Romanian" TAG "ROM "\n\n' |
| 'DEF_FEATURE NAME "Fractions" TAG "frac"\n' |
| ' LOOKUP "fraclookup"\n' |
| "END_FEATURE\n" |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| def_feature = def_script.langs[0].features[0] |
| self.assertEqual( |
| (def_feature.name, def_feature.tag, def_feature.lookups), |
| ("Fractions", "frac", ["fraclookup"]), |
| ) |
| [def_script] = self.parse( |
| 'DEF_SCRIPT NAME "Latin" TAG "latn"\n\n' |
| 'DEF_LANGSYS NAME "Romanian" TAG "ROM "\n\n' |
| 'DEF_FEATURE NAME "Kerning" TAG "kern"\n' |
| ' LOOKUP "kern1" LOOKUP "kern2"\n' |
| "END_FEATURE\n" |
| "END_LANGSYS\n" |
| "END_SCRIPT" |
| ).statements |
| def_feature = def_script.langs[0].features[0] |
| self.assertEqual( |
| (def_feature.name, def_feature.tag, def_feature.lookups), |
| ("Kerning", "kern", ["kern1", "kern2"]), |
| ) |
| |
| def test_lookup_duplicate(self): |
| with self.assertRaisesRegex( |
| VoltLibError, |
| 'Lookup "dupe" already defined, ' "lookup names are case insensitive", |
| ): |
| [lookup1, lookup2] = self.parse( |
| 'DEF_LOOKUP "dupe"\n' |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "a"\n' |
| 'WITH GLYPH "a.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION\n" |
| 'DEF_LOOKUP "dupe"\n' |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "b"\n' |
| 'WITH GLYPH "b.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION\n" |
| ).statements |
| |
| def test_lookup_duplicate_insensitive_case(self): |
| with self.assertRaisesRegex( |
| VoltLibError, |
| 'Lookup "Dupe" already defined, ' "lookup names are case insensitive", |
| ): |
| [lookup1, lookup2] = self.parse( |
| 'DEF_LOOKUP "dupe"\n' |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "a"\n' |
| 'WITH GLYPH "a.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION\n" |
| 'DEF_LOOKUP "Dupe"\n' |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "b"\n' |
| 'WITH GLYPH "b.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION\n" |
| ).statements |
| |
| def test_lookup_name_starts_with_letter(self): |
| with self.assertRaisesRegex( |
| VoltLibError, r'Lookup name "\\lookupname" must start with a letter' |
| ): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "\\lookupname"\n' |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "a"\n' |
| 'WITH GLYPH "a.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION\n" |
| ).statements |
| |
| def test_lookup_comments(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "test" PROCESS_BASE PROCESS_MARKS ALL DIRECTION LTR\n' |
| 'COMMENTS "Hello\\nWorld"\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "a"\n' |
| 'WITH GLYPH "b"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual(lookup.name, "test") |
| self.assertEqual(lookup.comments, "Hello\nWorld") |
| |
| def test_substitution_empty(self): |
| with self.assertRaisesRegex(VoltLibError, r"Expected SUB"): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "empty_substitution" PROCESS_BASE PROCESS_MARKS ' |
| "ALL DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| "END_SUBSTITUTION" |
| ).statements |
| |
| def test_substitution_invalid_many_to_many(self): |
| with self.assertRaisesRegex(VoltLibError, r"Invalid substitution type"): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "invalid_substitution" PROCESS_BASE PROCESS_MARKS ' |
| "ALL DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "f" GLYPH "i"\n' |
| 'WITH GLYPH "f.alt" GLYPH "i.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| |
| def test_substitution_invalid_reverse_chaining_single(self): |
| with self.assertRaisesRegex(VoltLibError, r"Invalid substitution type"): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "invalid_substitution" PROCESS_BASE PROCESS_MARKS ' |
| "ALL DIRECTION LTR REVERSAL\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "f" GLYPH "i"\n' |
| 'WITH GLYPH "f_i"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| |
| def test_substitution_invalid_mixed(self): |
| with self.assertRaisesRegex(VoltLibError, r"Invalid substitution type"): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "invalid_substitution" PROCESS_BASE PROCESS_MARKS ' |
| "ALL DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "fi"\n' |
| 'WITH GLYPH "f" GLYPH "i"\n' |
| "END_SUB\n" |
| 'SUB GLYPH "f" GLYPH "l"\n' |
| 'WITH GLYPH "f_l"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| |
| def test_substitution_single(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "smcp" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "a"\n' |
| 'WITH GLYPH "a.sc"\n' |
| "END_SUB\n" |
| 'SUB GLYPH "b"\n' |
| 'WITH GLYPH "b.sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual(lookup.name, "smcp") |
| self.assertSubEqual(lookup.sub, [["a"], ["b"]], [["a.sc"], ["b.sc"]]) |
| |
| def test_substitution_single_in_context(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "Denominators"\n' |
| ' ENUM GLYPH "one.dnom" GLYPH "two.dnom" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "fracdnom" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| ' LEFT ENUM GROUP "Denominators" GLYPH "fraction" END_ENUM\n' |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "one"\n' |
| 'WITH GLYPH "one.dnom"\n' |
| "END_SUB\n" |
| 'SUB GLYPH "two"\n' |
| 'WITH GLYPH "two.dnom"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| context = lookup.context[0] |
| |
| self.assertEqual(lookup.name, "fracdnom") |
| self.assertEqual(context.ex_or_in, "IN_CONTEXT") |
| self.assertEqual(len(context.left), 1) |
| self.assertEqual(len(context.left[0]), 1) |
| self.assertEqual(len(context.left[0][0].enum), 2) |
| self.assertEqual(context.left[0][0].enum[0].group, "Denominators") |
| self.assertEqual(context.left[0][0].enum[1].glyph, "fraction") |
| self.assertEqual(context.right, []) |
| self.assertSubEqual( |
| lookup.sub, [["one"], ["two"]], [["one.dnom"], ["two.dnom"]] |
| ) |
| |
| def test_substitution_single_in_contexts(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "Hebrew"\n' |
| ' ENUM GLYPH "uni05D0" GLYPH "uni05D1" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "HebrewCurrency" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| ' RIGHT GROUP "Hebrew"\n' |
| ' RIGHT GLYPH "one.Hebr"\n' |
| "END_CONTEXT\n" |
| "IN_CONTEXT\n" |
| ' LEFT GROUP "Hebrew"\n' |
| ' LEFT GLYPH "one.Hebr"\n' |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "dollar"\n' |
| 'WITH GLYPH "dollar.Hebr"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| context1 = lookup.context[0] |
| context2 = lookup.context[1] |
| |
| self.assertEqual(lookup.name, "HebrewCurrency") |
| |
| self.assertEqual(context1.ex_or_in, "IN_CONTEXT") |
| self.assertEqual(context1.left, []) |
| self.assertEqual(len(context1.right), 2) |
| self.assertEqual(len(context1.right[0]), 1) |
| self.assertEqual(len(context1.right[1]), 1) |
| self.assertEqual(context1.right[0][0].group, "Hebrew") |
| self.assertEqual(context1.right[1][0].glyph, "one.Hebr") |
| |
| self.assertEqual(context2.ex_or_in, "IN_CONTEXT") |
| self.assertEqual(len(context2.left), 2) |
| self.assertEqual(len(context2.left[0]), 1) |
| self.assertEqual(len(context2.left[1]), 1) |
| self.assertEqual(context2.left[0][0].group, "Hebrew") |
| self.assertEqual(context2.left[1][0].glyph, "one.Hebr") |
| self.assertEqual(context2.right, []) |
| |
| def test_substitution_skip_base(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "marka" GLYPH "markb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" SKIP_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_base), ("SomeSub", False)) |
| |
| def test_substitution_process_base(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "marka" GLYPH "markb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_base), ("SomeSub", True)) |
| |
| def test_substitution_process_marks(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "marka" GLYPH "markb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE PROCESS_MARKS "SomeMarks"\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_marks), ("SomeSub", "SomeMarks")) |
| |
| def test_substitution_process_marks_all(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE PROCESS_MARKS ALL\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_marks), ("SomeSub", True)) |
| |
| def test_substitution_process_marks_none(self): |
| [lookup] = self.parse_( |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE PROCESS_MARKS "NONE"\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_marks), ("SomeSub", False)) |
| |
| def test_substitution_process_marks_bad(self): |
| with self.assertRaisesRegex( |
| VoltLibError, "Expected ALL, NONE, MARK_GLYPH_SET or an ID" |
| ): |
| self.parse( |
| 'DEF_GROUP "SomeMarks" ENUM GLYPH "marka" GLYPH "markb" ' |
| "END_ENUM END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE PROCESS_MARKS SomeMarks ' |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A" WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ) |
| |
| def test_substitution_skip_marks(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "marka" GLYPH "markb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE SKIP_MARKS DIRECTION LTR\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_marks), ("SomeSub", False)) |
| |
| def test_substitution_mark_attachment(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "acutecmb" GLYPH "gravecmb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE ' |
| 'PROCESS_MARKS "SomeMarks" DIRECTION RTL\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_marks), ("SomeSub", "SomeMarks")) |
| |
| def test_substitution_mark_glyph_set(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "acutecmb" GLYPH "gravecmb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE ' |
| 'PROCESS_MARKS MARK_GLYPH_SET "SomeMarks" DIRECTION RTL\n' |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.mark_glyph_set), ("SomeSub", "SomeMarks")) |
| |
| def test_substitution_process_all_marks(self): |
| [group, lookup] = self.parse( |
| 'DEF_GROUP "SomeMarks"\n' |
| ' ENUM GLYPH "acutecmb" GLYPH "gravecmb" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "SomeSub" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION RTL\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "A"\n' |
| 'WITH GLYPH "A.c2sc"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.process_marks), ("SomeSub", True)) |
| |
| def test_substitution_no_reversal(self): |
| # TODO: check right context with no reversal |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "Lookup" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| ' RIGHT ENUM GLYPH "a" GLYPH "b" END_ENUM\n' |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "a"\n' |
| 'WITH GLYPH "a.alt"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual((lookup.name, lookup.reversal), ("Lookup", None)) |
| |
| def test_substitution_reversal(self): |
| lookup = self.parse( |
| 'DEF_GROUP "DFLT_Num_standardFigures"\n' |
| ' ENUM GLYPH "zero" GLYPH "one" GLYPH "two" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_GROUP "DFLT_Num_numerators"\n' |
| ' ENUM GLYPH "zero.numr" GLYPH "one.numr" GLYPH "two.numr" END_ENUM\n' |
| "END_GROUP\n" |
| 'DEF_LOOKUP "RevLookup" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR REVERSAL\n" |
| "IN_CONTEXT\n" |
| ' RIGHT ENUM GLYPH "a" GLYPH "b" END_ENUM\n' |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GROUP "DFLT_Num_standardFigures"\n' |
| 'WITH GROUP "DFLT_Num_numerators"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements[-1] |
| self.assertEqual((lookup.name, lookup.reversal), ("RevLookup", True)) |
| |
| def test_substitution_single_to_multiple(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "ccmp" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "aacute"\n' |
| 'WITH GLYPH "a" GLYPH "acutecomb"\n' |
| "END_SUB\n" |
| 'SUB GLYPH "agrave"\n' |
| 'WITH GLYPH "a" GLYPH "gravecomb"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual(lookup.name, "ccmp") |
| self.assertSubEqual( |
| lookup.sub, |
| [["aacute"], ["agrave"]], |
| [["a", "acutecomb"], ["a", "gravecomb"]], |
| ) |
| |
| def test_substitution_multiple_to_single(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "liga" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB GLYPH "f" GLYPH "i"\n' |
| 'WITH GLYPH "f_i"\n' |
| "END_SUB\n" |
| 'SUB GLYPH "f" GLYPH "t"\n' |
| 'WITH GLYPH "f_t"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| self.assertEqual(lookup.name, "liga") |
| self.assertSubEqual(lookup.sub, [["f", "i"], ["f", "t"]], [["f_i"], ["f_t"]]) |
| |
| def test_substitution_reverse_chaining_single(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "numr" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR REVERSAL\n" |
| "IN_CONTEXT\n" |
| " RIGHT ENUM " |
| 'GLYPH "fraction" ' |
| 'RANGE "zero.numr" TO "nine.numr" ' |
| "END_ENUM\n" |
| "END_CONTEXT\n" |
| "AS_SUBSTITUTION\n" |
| 'SUB RANGE "zero" TO "nine"\n' |
| 'WITH RANGE "zero.numr" TO "nine.numr"\n' |
| "END_SUB\n" |
| "END_SUBSTITUTION" |
| ).statements |
| |
| mapping = lookup.sub.mapping |
| glyphs = [[(r.start, r.end) for r in v] for v in mapping.keys()] |
| replacement = [[(r.start, r.end) for r in v] for v in mapping.values()] |
| |
| self.assertEqual(lookup.name, "numr") |
| self.assertEqual(glyphs, [[("zero", "nine")]]) |
| self.assertEqual(replacement, [[("zero.numr", "nine.numr")]]) |
| |
| self.assertEqual(len(lookup.context[0].right), 1) |
| self.assertEqual(len(lookup.context[0].right[0]), 1) |
| enum = lookup.context[0].right[0][0] |
| self.assertEqual(len(enum.enum), 2) |
| self.assertEqual(enum.enum[0].glyph, "fraction") |
| self.assertEqual( |
| (enum.enum[1].start, enum.enum[1].end), ("zero.numr", "nine.numr") |
| ) |
| |
| # GPOS |
| # ATTACH_CURSIVE |
| # ATTACH |
| # ADJUST_PAIR |
| # ADJUST_SINGLE |
| def test_position_empty(self): |
| with self.assertRaisesRegex( |
| VoltLibError, "Expected ATTACH, ATTACH_CURSIVE, ADJUST_PAIR, ADJUST_SINGLE" |
| ): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "empty_position" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "EXCEPT_CONTEXT\n" |
| ' LEFT GLYPH "glyph"\n' |
| "END_CONTEXT\n" |
| "AS_POSITION\n" |
| "END_POSITION" |
| ).statements |
| |
| def test_position_attach(self): |
| [lookup, anchor1, anchor2, anchor3, anchor4] = self.parse( |
| 'DEF_LOOKUP "anchor_top" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION RTL\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_POSITION\n" |
| 'ATTACH GLYPH "a" GLYPH "e"\n' |
| 'TO GLYPH "acutecomb" AT ANCHOR "top" ' |
| 'GLYPH "gravecomb" AT ANCHOR "top"\n' |
| "END_ATTACH\n" |
| "END_POSITION\n" |
| 'DEF_ANCHOR "MARK_top" ON 120 GLYPH acutecomb COMPONENT 1 ' |
| "AT POS DX 0 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "MARK_top" ON 121 GLYPH gravecomb COMPONENT 1 ' |
| "AT POS DX 0 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "top" ON 31 GLYPH a COMPONENT 1 ' |
| "AT POS DX 210 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "top" ON 35 GLYPH e COMPONENT 1 ' |
| "AT POS DX 215 DY 450 END_POS END_ANCHOR" |
| ).statements |
| pos = lookup.pos |
| coverage = [g.glyph for g in pos.coverage] |
| coverage_to = [[[g.glyph for g in e], a] for (e, a) in pos.coverage_to] |
| self.assertEqual( |
| (lookup.name, coverage, coverage_to), |
| ( |
| "anchor_top", |
| ["a", "e"], |
| [[["acutecomb"], "top"], [["gravecomb"], "top"]], |
| ), |
| ) |
| self.assertEqual( |
| ( |
| anchor1.name, |
| anchor1.gid, |
| anchor1.glyph_name, |
| anchor1.component, |
| anchor1.locked, |
| anchor1.pos, |
| ), |
| ("MARK_top", 120, "acutecomb", 1, False, (None, 0, 450, {}, {}, {})), |
| ) |
| self.assertEqual( |
| ( |
| anchor2.name, |
| anchor2.gid, |
| anchor2.glyph_name, |
| anchor2.component, |
| anchor2.locked, |
| anchor2.pos, |
| ), |
| ("MARK_top", 121, "gravecomb", 1, False, (None, 0, 450, {}, {}, {})), |
| ) |
| self.assertEqual( |
| ( |
| anchor3.name, |
| anchor3.gid, |
| anchor3.glyph_name, |
| anchor3.component, |
| anchor3.locked, |
| anchor3.pos, |
| ), |
| ("top", 31, "a", 1, False, (None, 210, 450, {}, {}, {})), |
| ) |
| self.assertEqual( |
| ( |
| anchor4.name, |
| anchor4.gid, |
| anchor4.glyph_name, |
| anchor4.component, |
| anchor4.locked, |
| anchor4.pos, |
| ), |
| ("top", 35, "e", 1, False, (None, 215, 450, {}, {}, {})), |
| ) |
| |
| def test_position_attach_cursive(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "SomeLookup" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION RTL\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_POSITION\n" |
| 'ATTACH_CURSIVE\nEXIT GLYPH "a" GLYPH "b"\nENTER GLYPH "c"\n' |
| "END_ATTACH\n" |
| "END_POSITION" |
| ).statements |
| exit = [[g.glyph for g in v] for v in lookup.pos.coverages_exit] |
| enter = [[g.glyph for g in v] for v in lookup.pos.coverages_enter] |
| self.assertEqual( |
| (lookup.name, exit, enter), ("SomeLookup", [["a", "b"]], [["c"]]) |
| ) |
| |
| def test_position_adjust_pair(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "kern1" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION RTL\n" |
| "IN_CONTEXT\n" |
| "END_CONTEXT\n" |
| "AS_POSITION\n" |
| "ADJUST_PAIR\n" |
| ' FIRST GLYPH "A"\n' |
| ' SECOND GLYPH "V"\n' |
| " 1 2 BY POS ADV -30 END_POS POS END_POS\n" |
| " 2 1 BY POS ADV -30 END_POS POS END_POS\n\n" |
| "END_ADJUST\n" |
| "END_POSITION" |
| ).statements |
| coverages_1 = [[g.glyph for g in v] for v in lookup.pos.coverages_1] |
| coverages_2 = [[g.glyph for g in v] for v in lookup.pos.coverages_2] |
| self.assertEqual( |
| (lookup.name, coverages_1, coverages_2, lookup.pos.adjust_pair), |
| ( |
| "kern1", |
| [["A"]], |
| [["V"]], |
| { |
| (1, 2): ( |
| (-30, None, None, {}, {}, {}), |
| (None, None, None, {}, {}, {}), |
| ), |
| (2, 1): ( |
| (-30, None, None, {}, {}, {}), |
| (None, None, None, {}, {}, {}), |
| ), |
| }, |
| ), |
| ) |
| |
| def test_position_adjust_single(self): |
| [lookup] = self.parse( |
| 'DEF_LOOKUP "TestLookup" PROCESS_BASE PROCESS_MARKS ALL ' |
| "DIRECTION LTR\n" |
| "IN_CONTEXT\n" |
| # ' LEFT GLYPH "leftGlyph"\n' |
| # ' RIGHT GLYPH "rightGlyph"\n' |
| "END_CONTEXT\n" |
| "AS_POSITION\n" |
| "ADJUST_SINGLE" |
| ' GLYPH "glyph1" BY POS ADV 0 DX 123 END_POS' |
| ' GLYPH "glyph2" BY POS ADV 0 DX 456 END_POS\n' |
| "END_ADJUST\n" |
| "END_POSITION" |
| ).statements |
| pos = lookup.pos |
| adjust = [[[g.glyph for g in a], b] for (a, b) in pos.adjust_single] |
| self.assertEqual( |
| (lookup.name, adjust), |
| ( |
| "TestLookup", |
| [ |
| [["glyph1"], (0, 123, None, {}, {}, {})], |
| [["glyph2"], (0, 456, None, {}, {}, {})], |
| ], |
| ), |
| ) |
| |
| def test_def_anchor(self): |
| [anchor1, anchor2, anchor3] = self.parse( |
| 'DEF_ANCHOR "top" ON 120 GLYPH a ' |
| "COMPONENT 1 AT POS DX 250 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "MARK_top" ON 120 GLYPH acutecomb ' |
| "COMPONENT 1 AT POS DX 0 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "bottom" ON 120 GLYPH a ' |
| "COMPONENT 1 AT POS DX 250 DY 0 END_POS END_ANCHOR" |
| ).statements |
| self.assertEqual( |
| ( |
| anchor1.name, |
| anchor1.gid, |
| anchor1.glyph_name, |
| anchor1.component, |
| anchor1.locked, |
| anchor1.pos, |
| ), |
| ("top", 120, "a", 1, False, (None, 250, 450, {}, {}, {})), |
| ) |
| self.assertEqual( |
| ( |
| anchor2.name, |
| anchor2.gid, |
| anchor2.glyph_name, |
| anchor2.component, |
| anchor2.locked, |
| anchor2.pos, |
| ), |
| ("MARK_top", 120, "acutecomb", 1, False, (None, 0, 450, {}, {}, {})), |
| ) |
| self.assertEqual( |
| ( |
| anchor3.name, |
| anchor3.gid, |
| anchor3.glyph_name, |
| anchor3.component, |
| anchor3.locked, |
| anchor3.pos, |
| ), |
| ("bottom", 120, "a", 1, False, (None, 250, 0, {}, {}, {})), |
| ) |
| |
| def test_def_anchor_multi_component(self): |
| [anchor1, anchor2] = self.parse( |
| 'DEF_ANCHOR "top" ON 120 GLYPH a ' |
| "COMPONENT 1 AT POS DX 250 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "top" ON 120 GLYPH a ' |
| "COMPONENT 2 AT POS DX 250 DY 450 END_POS END_ANCHOR" |
| ).statements |
| self.assertEqual( |
| (anchor1.name, anchor1.gid, anchor1.glyph_name, anchor1.component), |
| ("top", 120, "a", 1), |
| ) |
| self.assertEqual( |
| (anchor2.name, anchor2.gid, anchor2.glyph_name, anchor2.component), |
| ("top", 120, "a", 2), |
| ) |
| |
| def test_def_anchor_duplicate(self): |
| self.assertRaisesRegex( |
| VoltLibError, |
| 'Anchor "dupe" already defined, ' "anchor names are case insensitive", |
| self.parse, |
| 'DEF_ANCHOR "dupe" ON 120 GLYPH a ' |
| "COMPONENT 1 AT POS DX 250 DY 450 END_POS END_ANCHOR\n" |
| 'DEF_ANCHOR "dupe" ON 120 GLYPH a ' |
| "COMPONENT 1 AT POS DX 250 DY 450 END_POS END_ANCHOR", |
| ) |
| |
| def test_def_anchor_locked(self): |
| [anchor] = self.parse( |
| 'DEF_ANCHOR "top" ON 120 GLYPH a ' |
| "COMPONENT 1 LOCKED AT POS DX 250 DY 450 END_POS END_ANCHOR" |
| ).statements |
| self.assertEqual( |
| ( |
| anchor.name, |
| anchor.gid, |
| anchor.glyph_name, |
| anchor.component, |
| anchor.locked, |
| anchor.pos, |
| ), |
| ("top", 120, "a", 1, True, (None, 250, 450, {}, {}, {})), |
| ) |
| |
| def test_anchor_adjust_device(self): |
| [anchor] = self.parse( |
| 'DEF_ANCHOR "MARK_top" ON 123 GLYPH diacglyph ' |
| "COMPONENT 1 AT POS DX 0 DY 456 ADJUST_BY 12 AT 34 " |
| "ADJUST_BY 56 AT 78 END_POS END_ANCHOR" |
| ).statements |
| self.assertEqual( |
| (anchor.name, anchor.pos), |
| ("MARK_top", (None, 0, 456, {}, {}, {34: 12, 78: 56})), |
| ) |
| |
| def test_ppem(self): |
| [grid_ppem, pres_ppem, ppos_ppem] = self.parse( |
| "GRID_PPEM 20\n" "PRESENTATION_PPEM 72\n" "PPOSITIONING_PPEM 144" |
| ).statements |
| self.assertEqual( |
| ( |
| (grid_ppem.name, grid_ppem.value), |
| (pres_ppem.name, pres_ppem.value), |
| (ppos_ppem.name, ppos_ppem.value), |
| ), |
| (("GRID_PPEM", 20), ("PRESENTATION_PPEM", 72), ("PPOSITIONING_PPEM", 144)), |
| ) |
| |
| def test_compiler_flags(self): |
| [setting1, setting2] = self.parse( |
| "COMPILER_USEEXTENSIONLOOKUPS\n" "COMPILER_USEPAIRPOSFORMAT2" |
| ).statements |
| self.assertEqual( |
| ((setting1.name, setting1.value), (setting2.name, setting2.value)), |
| ( |
| ("COMPILER_USEEXTENSIONLOOKUPS", True), |
| ("COMPILER_USEPAIRPOSFORMAT2", True), |
| ), |
| ) |
| |
| def test_cmap(self): |
| [cmap_format1, cmap_format2, cmap_format3] = self.parse( |
| "CMAP_FORMAT 0 3 4\n" "CMAP_FORMAT 1 0 6\n" "CMAP_FORMAT 3 1 4" |
| ).statements |
| self.assertEqual( |
| ( |
| (cmap_format1.name, cmap_format1.value), |
| (cmap_format2.name, cmap_format2.value), |
| (cmap_format3.name, cmap_format3.value), |
| ), |
| ( |
| ("CMAP_FORMAT", (0, 3, 4)), |
| ("CMAP_FORMAT", (1, 0, 6)), |
| ("CMAP_FORMAT", (3, 1, 4)), |
| ), |
| ) |
| |
| def test_do_not_touch_cmap(self): |
| [option1, option2, option3, option4] = self.parse( |
| "DO_NOT_TOUCH_CMAP\n" |
| "CMAP_FORMAT 0 3 4\n" |
| "CMAP_FORMAT 1 0 6\n" |
| "CMAP_FORMAT 3 1 4" |
| ).statements |
| self.assertEqual( |
| ( |
| (option1.name, option1.value), |
| (option2.name, option2.value), |
| (option3.name, option3.value), |
| (option4.name, option4.value), |
| ), |
| ( |
| ("DO_NOT_TOUCH_CMAP", True), |
| ("CMAP_FORMAT", (0, 3, 4)), |
| ("CMAP_FORMAT", (1, 0, 6)), |
| ("CMAP_FORMAT", (3, 1, 4)), |
| ), |
| ) |
| |
| def test_stop_at_end(self): |
| doc = self.parse_('DEF_GLYPH ".notdef" ID 0 TYPE BASE END_GLYPH END\0\0\0\0') |
| [def_glyph] = doc.statements |
| self.assertEqual( |
| ( |
| def_glyph.name, |
| def_glyph.id, |
| def_glyph.unicode, |
| def_glyph.type, |
| def_glyph.components, |
| ), |
| (".notdef", 0, None, "BASE", None), |
| ) |
| self.assertEqual( |
| str(doc), '\nDEF_GLYPH ".notdef" ID 0 TYPE BASE END_GLYPH END\n' |
| ) |
| |
| def parse_(self, text): |
| return Parser(StringIO(text)).parse() |
| |
| def parse(self, text): |
| doc = self.parse_(text) |
| self.assertEqual("\n".join(str(s) for s in doc.statements), text) |
| return Parser(StringIO(text)).parse() |
| |
| |
| if __name__ == "__main__": |
| import sys |
| |
| sys.exit(unittest.main()) |
