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authorPeter Breitenlohner <peb@mppmu.mpg.de>2015-10-01 06:50:49 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2015-10-01 06:50:49 +0000
commitfeeecf70afe0bd0657417ace3a1c92844b1ad64c (patch)
treef2f86418991cf527731230fe43fa69fe187698b1 /Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py
parenta987f670bb1d8224baec77cfa018bb279da9e95a (diff)
harfbuzz 1.0.4
git-svn-id: svn://tug.org/texlive/trunk@38510 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py')
-rwxr-xr-xBuild/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py476
1 files changed, 0 insertions, 476 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py b/Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py
deleted file mode 100755
index be04e4ba4c5..00000000000
--- a/Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py
+++ /dev/null
@@ -1,476 +0,0 @@
-#!/usr/bin/python
-
-import sys
-
-if len (sys.argv) != 5:
- print >>sys.stderr, "usage: ./gen-use-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt UnicodeData.txt Blocks.txt"
- sys.exit (1)
-
-BLACKLISTED_BLOCKS = ["Thai", "Lao", "Tibetan"]
-
-files = [file (x) for x in sys.argv[1:]]
-
-headers = [[f.readline () for i in range (2)] for j,f in enumerate(files) if j != 2]
-headers.append (["UnicodeData.txt does not have a header."])
-
-data = [{} for f in files]
-values = [{} for f in files]
-for i, f in enumerate (files):
- for line in f:
-
- j = line.find ('#')
- if j >= 0:
- line = line[:j]
-
- fields = [x.strip () for x in line.split (';')]
- if len (fields) == 1:
- continue
-
- uu = fields[0].split ('..')
- start = int (uu[0], 16)
- if len (uu) == 1:
- end = start
- else:
- end = int (uu[1], 16)
-
- t = fields[1 if i != 2 else 2]
-
- for u in range (start, end + 1):
- data[i][u] = t
- values[i][t] = values[i].get (t, 0) + end - start + 1
-
-defaults = ('Other', 'Not_Applicable', 'Cn', 'No_Block')
-
-# TODO Characters that are not in Unicode Indic files, but used in USE
-data[0][0x034F] = defaults[0]
-data[0][0x2060] = defaults[0]
-for u in range (0xFE00, 0xFE0F + 1):
- data[0][u] = defaults[0]
-
-# Merge data into one dict:
-for i,v in enumerate (defaults):
- values[i][v] = values[i].get (v, 0) + 1
-combined = {}
-for i,d in enumerate (data):
- for u,v in d.items ():
- if i >= 2 and not u in combined:
- continue
- if not u in combined:
- combined[u] = list (defaults)
- combined[u][i] = v
-combined = {k:v for k,v in combined.items() if v[3] not in BLACKLISTED_BLOCKS}
-data = combined
-del combined
-num = len (data)
-
-
-property_names = [
- # General_Category
- 'Cc', 'Cf', 'Cn', 'Co', 'Cs', 'Ll', 'Lm', 'Lo', 'Lt', 'Lu', 'Mc',
- 'Me', 'Mn', 'Nd', 'Nl', 'No', 'Pc', 'Pd', 'Pe', 'Pf', 'Pi', 'Po',
- 'Ps', 'Sc', 'Sk', 'Sm', 'So', 'Zl', 'Zp', 'Zs',
- # Indic_Syllabic_Category
- 'Other',
- 'Bindu',
- 'Visarga',
- 'Avagraha',
- 'Nukta',
- 'Virama',
- 'Pure_Killer',
- 'Invisible_Stacker',
- 'Vowel_Independent',
- 'Vowel_Dependent',
- 'Vowel',
- 'Consonant_Placeholder',
- 'Consonant',
- 'Consonant_Dead',
- 'Consonant_With_Stacker',
- 'Consonant_Prefixed',
- 'Consonant_Preceding_Repha',
- 'Consonant_Succeeding_Repha',
- 'Consonant_Subjoined',
- 'Consonant_Medial',
- 'Consonant_Final',
- 'Consonant_Head_Letter',
- 'Modifying_Letter',
- 'Tone_Letter',
- 'Tone_Mark',
- 'Gemination_Mark',
- 'Cantillation_Mark',
- 'Register_Shifter',
- 'Syllable_Modifier',
- 'Consonant_Killer',
- 'Non_Joiner',
- 'Joiner',
- 'Number_Joiner',
- 'Number',
- 'Brahmi_Joining_Number',
- # Indic_Positional_Category
- 'Not_Applicable',
- 'Right',
- 'Left',
- 'Visual_Order_Left',
- 'Left_And_Right',
- 'Top',
- 'Bottom',
- 'Top_And_Bottom',
- 'Top_And_Right',
- 'Top_And_Left',
- 'Top_And_Left_And_Right',
- 'Bottom_And_Right',
- 'Top_And_Bottom_And_Right',
- 'Overstruck',
-]
-
-class PropertyValue(object):
- def __init__(self, name_):
- self.name = name_
- def __str__(self):
- return self.name
- def __eq__(self, other):
- return self.name == (other if isinstance(other, basestring) else other.name)
- def __ne__(self, other):
- return not (self == other)
-
-property_values = {}
-
-for name in property_names:
- value = PropertyValue(name)
- assert value not in property_values
- assert value not in globals()
- property_values[name] = value
-globals().update(property_values)
-
-
-def is_BASE(U, UISC, UGC):
- return (UISC in [Number, Consonant, Consonant_Head_Letter,
- #SPEC-OUTDATED Consonant_Placeholder,
- Tone_Letter] or
- (UGC == Lo and UISC in [Avagraha, Bindu, Consonant_Final, Consonant_Medial,
- Consonant_Subjoined, Vowel, Vowel_Dependent]))
-def is_BASE_VOWEL(U, UISC, UGC):
- return UISC == Vowel_Independent
-def is_BASE_IND(U, UISC, UGC):
- #SPEC-BROKEN return (UISC in [Consonant_Dead, Modifying_Letter] or UGC == Po)
- return (UISC in [Consonant_Dead, Modifying_Letter] or
- (UGC == Po and not is_BASE_OTHER(U, UISC, UGC))) # for 104E
-def is_BASE_NUM(U, UISC, UGC):
- return UISC == Brahmi_Joining_Number
-def is_BASE_OTHER(U, UISC, UGC):
- if UISC == Consonant_Placeholder: return True #SPEC-OUTDATED
- return U in [0x00A0, 0x00D7, 0x2015, 0x2022, 0x25CC,
- 0x25FB, 0x25FC, 0x25FD, 0x25FE]
-def is_CGJ(U, UISC, UGC):
- return U == 0x034F
-def is_CONS_FINAL(U, UISC, UGC):
- return ((UISC == Consonant_Final and UGC != Lo) or
- UISC == Consonant_Succeeding_Repha)
-def is_CONS_FINAL_MOD(U, UISC, UGC):
- #SPEC-OUTDATED return UISC in [Consonant_Final_Modifier, Syllable_Modifier]
- return UISC == Syllable_Modifier
-def is_CONS_MED(U, UISC, UGC):
- return UISC == Consonant_Medial and UGC != Lo
-def is_CONS_MOD(U, UISC, UGC):
- return UISC in [Nukta, Gemination_Mark, Consonant_Killer]
-def is_CONS_SUB(U, UISC, UGC):
- #SPEC-OUTDATED return UISC == Consonant_Subjoined
- return UISC == Consonant_Subjoined and UGC != Lo
-def is_HALANT(U, UISC, UGC):
- return UISC in [Virama, Invisible_Stacker]
-def is_HALANT_NUM(U, UISC, UGC):
- return UISC == Number_Joiner
-def is_ZWNJ(U, UISC, UGC):
- return UISC == Non_Joiner
-def is_ZWJ(U, UISC, UGC):
- return UISC == Joiner
-def is_Word_Joiner(U, UISC, UGC):
- return U == 0x2060
-def is_OTHER(U, UISC, UGC):
- #SPEC-OUTDATED return UGC == Zs # or any other SCRIPT_COMMON characters
- return (UISC == Other
- and not is_SYM_MOD(U, UISC, UGC)
- and not is_CGJ(U, UISC, UGC)
- and not is_Word_Joiner(U, UISC, UGC)
- and not is_VARIATION_SELECTOR(U, UISC, UGC)
- )
-def is_Reserved(U, UISC, UGC):
- return UGC == 'Cn'
-def is_REPHA(U, UISC, UGC):
- #return UISC == Consonant_Preceding_Repha
- #SPEC-OUTDATED hack to categorize Consonant_With_Stacker and Consonant_Prefixed
- return UISC in [Consonant_Preceding_Repha, Consonant_With_Stacker, Consonant_Prefixed]
-def is_SYM(U, UISC, UGC):
- if U == 0x25CC: return False #SPEC-OUTDATED
- #SPEC-OUTDATED return UGC in [So, Sc] or UISC == Symbol_Letter
- return UGC in [So, Sc]
-def is_SYM_MOD(U, UISC, UGC):
- return U in [0x1B6B, 0x1B6C, 0x1B6D, 0x1B6E, 0x1B6F, 0x1B70, 0x1B71, 0x1B72, 0x1B73]
-def is_VARIATION_SELECTOR(U, UISC, UGC):
- return 0xFE00 <= U <= 0xFE0F
-def is_VOWEL(U, UISC, UGC):
- return (UISC == Pure_Killer or
- (UGC != Lo and UISC in [Vowel, Vowel_Dependent]))
-def is_VOWEL_MOD(U, UISC, UGC):
- return (UISC in [Tone_Mark, Cantillation_Mark, Register_Shifter, Visarga] or
- (UGC != Lo and UISC == Bindu))
-
-use_mapping = {
- 'B': is_BASE,
- 'IV': is_BASE_VOWEL,
- 'IND': is_BASE_IND,
- 'N': is_BASE_NUM,
- 'GB': is_BASE_OTHER,
- 'CGJ': is_CGJ,
- 'F': is_CONS_FINAL,
- 'FM': is_CONS_FINAL_MOD,
- 'M': is_CONS_MED,
- 'CM': is_CONS_MOD,
- 'SUB': is_CONS_SUB,
- 'H': is_HALANT,
- 'HN': is_HALANT_NUM,
- 'ZWNJ': is_ZWNJ,
- 'ZWJ': is_ZWJ,
- 'WJ': is_Word_Joiner,
- 'O': is_OTHER,
- 'Rsv': is_Reserved,
- 'R': is_REPHA,
- 'S': is_SYM,
- 'SM': is_SYM_MOD,
- 'VS': is_VARIATION_SELECTOR,
- 'V': is_VOWEL,
- 'VM': is_VOWEL_MOD,
-}
-
-use_positions = {
- 'F': {
- 'Abv': [Top],
- 'Blw': [Bottom],
- 'Pst': [Right],
- },
- 'M': {
- 'Abv': [Top],
- 'Blw': [Bottom],
- 'Pst': [Right],
- 'Pre': [Left],
- },
- 'CM': {
- 'Abv': [Top],
- 'Blw': [Bottom],
- },
- 'V': {
- 'Abv': [Top, Top_And_Bottom, Top_And_Bottom_And_Right, Top_And_Right],
- 'Blw': [Bottom, Overstruck, Bottom_And_Right],
- 'Pst': [Right],
- 'Pre': [Left, Top_And_Left, Top_And_Left_And_Right, Left_And_Right],
- },
- 'VM': {
- 'Abv': [Top],
- 'Blw': [Bottom, Overstruck],
- 'Pst': [Right],
- 'Pre': [Left],
- },
- 'SM': {
- 'Abv': [Top],
- 'Blw': [Bottom],
- },
- 'H': None,
- 'B': None,
- 'FM': None,
- 'SUB': None,
-}
-
-def map_to_use(data):
- out = {}
- items = use_mapping.items()
- for U,(UISC,UIPC,UGC,UBlock) in data.items():
-
- # Resolve Indic_Syllabic_Category
-
- # TODO: These don't have UISC assigned in Unicode 8.0, but
- # have UIPC
- if U == 0x17DD: UISC = Vowel_Dependent
- if 0x1CE2 <= U <= 0x1CE8: UISC = Cantillation_Mark
-
- # TODO: U+1CED should only be allowed after some of
- # the nasalization marks, maybe only for U+1CE9..U+1CF1.
- if U == 0x1CED: UISC = Tone_Mark
-
- evals = [(k, v(U,UISC,UGC)) for k,v in items]
- values = [k for k,v in evals if v]
- assert len(values) == 1, "%s %s %s %s" % (hex(U), UISC, UGC, values)
- USE = values[0]
-
- # Resolve Indic_Positional_Category
-
- # TODO: Not in Unicode 8.0 yet, but in spec.
- if U == 0x1B6C: UIPC = Bottom
-
- # TODO: These should die, but have UIPC in Unicode 8.0
- if U in [0x953, 0x954]: UIPC = Not_Applicable
-
- # TODO: In USE's override list but not in Unicode 8.0
- if U == 0x103C: UIPC = Left
-
- # TODO: These are not in USE's override list that we have, nor are they in Unicode 8.0
- if 0xA926 <= U <= 0xA92A: UIPC = Top
- if U == 0x111CA: UIPC = Bottom
- if U == 0x11300: UIPC = Top
- if U == 0x1133C: UIPC = Bottom
- if U == 0x1171E: UIPC = Left # Correct?!
- if 0x1CF2 <= U <= 0x1CF3: UIPC = Right
- if 0x1CF8 <= U <= 0x1CF9: UIPC = Top
-
- assert (UIPC in [Not_Applicable, Visual_Order_Left] or
- USE in use_positions), "%s %s %s %s %s" % (hex(U), UIPC, USE, UISC, UGC)
-
- pos_mapping = use_positions.get(USE, None)
- if pos_mapping:
- values = [k for k,v in pos_mapping.items() if v and UIPC in v]
- assert len(values) == 1, "%s %s %s %s %s %s" % (hex(U), UIPC, USE, UISC, UGC, values)
- USE = USE + values[0]
-
- out[U] = (USE, UBlock)
- return out
-
-defaults = ('O', 'No_Block')
-data = map_to_use(data)
-
-# Remove the outliers
-singles = {}
-for u in [0x034F, 0x25CC, 0x1107F]:
- singles[u] = data[u]
- del data[u]
-
-print "/* == Start of generated table == */"
-print "/*"
-print " * The following table is generated by running:"
-print " *"
-print " * ./gen-use-table.py IndicSyllabicCategory.txt IndicPositionalCategory.txt UnicodeData.txt Blocks.txt"
-print " *"
-print " * on files with these headers:"
-print " *"
-for h in headers:
- for l in h:
- print " * %s" % (l.strip())
-print " */"
-print
-print '#include "hb-ot-shape-complex-use-private.hh"'
-print
-
-total = 0
-used = 0
-last_block = None
-def print_block (block, start, end, data):
- global total, used, last_block
- if block and block != last_block:
- print
- print
- print " /* %s */" % block
- if start % 16:
- print ' ' * (20 + (start % 16 * 6)),
- num = 0
- assert start % 8 == 0
- assert (end+1) % 8 == 0
- for u in range (start, end+1):
- if u % 16 == 0:
- print
- print " /* %04X */" % u,
- if u in data:
- num += 1
- d = data.get (u, defaults)
- sys.stdout.write ("%6s," % d[0])
-
- total += end - start + 1
- used += num
- if block:
- last_block = block
-
-uu = data.keys ()
-uu.sort ()
-
-last = -100000
-num = 0
-offset = 0
-starts = []
-ends = []
-for k,v in sorted(use_mapping.items()):
- if k in use_positions and use_positions[k]: continue
- print "#define %s USE_%s /* %s */" % (k, k, v.__name__[3:])
-for k,v in sorted(use_positions.items()):
- if not v: continue
- for suf in v.keys():
- tag = k + suf
- print "#define %s USE_%s" % (tag, tag)
-print ""
-print "static const USE_TABLE_ELEMENT_TYPE use_table[] = {"
-for u in uu:
- if u <= last:
- continue
- block = data[u][1]
-
- start = u//8*8
- end = start+1
- while end in uu and block == data[end][1]:
- end += 1
- end = (end-1)//8*8 + 7
-
- if start != last + 1:
- if start - last <= 1+16*3:
- print_block (None, last+1, start-1, data)
- last = start-1
- else:
- if last >= 0:
- ends.append (last + 1)
- offset += ends[-1] - starts[-1]
- print
- print
- print "#define use_offset_0x%04xu %d" % (start, offset)
- starts.append (start)
-
- print_block (block, start, end, data)
- last = end
-ends.append (last + 1)
-offset += ends[-1] - starts[-1]
-print
-print
-occupancy = used * 100. / total
-page_bits = 12
-print "}; /* Table items: %d; occupancy: %d%% */" % (offset, occupancy)
-print
-print "USE_TABLE_ELEMENT_TYPE"
-print "hb_use_get_categories (hb_codepoint_t u)"
-print "{"
-print " switch (u >> %d)" % page_bits
-print " {"
-pages = set([u>>page_bits for u in starts+ends+singles.keys()])
-for p in sorted(pages):
- print " case 0x%0Xu:" % p
- for (start,end) in zip (starts, ends):
- if p not in [start>>page_bits, end>>page_bits]: continue
- offset = "use_offset_0x%04xu" % start
- print " if (hb_in_range (u, 0x%04Xu, 0x%04Xu)) return use_table[u - 0x%04Xu + %s];" % (start, end-1, start, offset)
- for u,d in singles.items ():
- if p != u>>page_bits: continue
- print " if (unlikely (u == 0x%04Xu)) return %s;" % (u, d[0])
- print " break;"
- print ""
-print " default:"
-print " break;"
-print " }"
-print " return USE_O;"
-print "}"
-print
-for k in sorted(use_mapping.keys()):
- if k in use_positions and use_positions[k]: continue
- print "#undef %s" % k
-for k,v in sorted(use_positions.items()):
- if not v: continue
- for suf in v.keys():
- tag = k + suf
- print "#undef %s" % tag
-print
-print "/* == End of generated table == */"
-
-# Maintain at least 50% occupancy in the table */
-if occupancy < 50:
- raise Exception ("Table too sparse, please investigate: ", occupancy)