diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2015-10-01 06:50:49 +0000 |
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committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2015-10-01 06:50:49 +0000 |
commit | feeecf70afe0bd0657417ace3a1c92844b1ad64c (patch) | |
tree | f2f86418991cf527731230fe43fa69fe187698b1 /Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py | |
parent | a987f670bb1d8224baec77cfa018bb279da9e95a (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-x | Build/source/libs/harfbuzz/harfbuzz-1.0.3/src/gen-use-table.py | 476 |
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) |