121 lines
3.8 KiB
Python
Executable File
121 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function, division, absolute_import
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import io, os.path, sys, re
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if len (sys.argv) != 2:
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print("usage: ./gen-ucd-table ucd.nonunihan.grouped.xml", file=sys.stderr)
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sys.exit(1)
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import youseedy, packTab
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ucdxml = youseedy.load_ucdxml(sys.argv[1])
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ucd = youseedy.ucdxml_get_repertoire(ucdxml)
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gc = [u['gc'] for u in ucd]
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ccc = [int(u['ccc']) for u in ucd]
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bmg = [int(v, 16) - int(u) if v else 0 for u,v in enumerate(u['bmg'] for u in ucd)]
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#gc_ccc_non0 = set((cat,klass) for cat,klass in zip(gc,ccc) if klass)
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#gc_bmg_non0 = set((cat,mirr) for cat,mirr in zip(gc, bmg) if mirr)
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sc = [u['sc'] for u in ucd]
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dm = {i:tuple(int(v, 16) for v in u['dm'].split()) for i,u in enumerate(ucd)
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if u['dm'] != '#' and u['dt'] == 'can' and not (0xAC00 <= i < 0xAC00+11172)}
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ce = {i for i,u in enumerate(ucd) if u['Comp_Ex'] == 'Y'}
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assert not any(v for v in dm.values() if len(v) not in (1,2))
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dm1 = sorted(set(v for v in dm.values() if len(v) == 1))
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dm1_array = ['0x%04Xu' % v for v in dm1]
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dm1_order = {v:i+1 for i,v in enumerate(dm1)}
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dm2 = sorted((v, i) for i,v in dm.items() if len(v) == 2)
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dm2 = [("HB_CODEPOINT_ENCODE3 (0x%04Xu, 0x%04Xu, 0x%04Xu)" %
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(v+(i if i not in ce and not ccc[i] else 0,)), v)
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for v,i in dm2]
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dm2_array = [s for s,v in dm2]
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l = 1 + len(dm1_array)
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dm2_order = {v[1]:i+l for i,v in enumerate(dm2)}
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dm_order = {None: 0}
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dm_order.update(dm1_order)
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dm_order.update(dm2_order)
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gc_order = packTab.AutoMapping()
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for _ in ('Cc', 'Cf', 'Cn', 'Co', 'Cs', 'Ll', 'Lm', 'Lo', 'Lt', 'Lu',
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'Mc', 'Me', 'Mn', 'Nd', 'Nl', 'No', 'Pc', 'Pd', 'Pe', 'Pf',
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'Pi', 'Po', 'Ps', 'Sc', 'Sk', 'Sm', 'So', 'Zl', 'Zp', 'Zs',):
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gc_order[_]
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sc_order = packTab.AutoMapping()
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sc_array = []
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sc_re = re.compile(" (HB_SCRIPT_[_A-Z]*).*HB_TAG [(]'(.)','(.)','(.)','(.)'[)]")
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for line in open('hb-common.h'):
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m = sc_re.search (line)
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if not m: continue
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name = m.group(1)
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tag = ''.join(m.group(i) for i in range(2, 6))
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i = sc_order[tag]
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assert i == len(sc_array)
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sc_array.append(name)
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# TODO Currently if gc_order or sc_order do not capture all values, we get in
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# trouble because they silently add new values. We should be able to "freeze"
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# them, or just do the mapping ourselves.
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DEFAULT = 1
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COMPACT = 3
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print("/* == Start of generated table == */")
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print("/*")
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print(" * The following table is generated by running:")
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print(" *")
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print(" * ./gen-ucd-table.py ucd.nonunihan.grouped.xml")
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print(" *")
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print(" * on file with this description:", ucdxml.description)
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print(" */")
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print()
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print("#ifndef HB_UCD_TABLE_HH")
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print("#define HB_UCD_TABLE_HH")
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print()
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print()
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print('#include "hb.hh"')
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print()
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code = packTab.Code('_hb_ucd')
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sc_array, _, _ = code.addArray('hb_script_t', 'sc_map', sc_array)
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dm1_array, _, _ = code.addArray('hb_codepoint_t', 'dm1_map', dm1_array)
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dm2_array, _, _ = code.addArray('uint64_t', 'dm2_map', dm2_array)
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code.print_c(linkage='static inline')
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for compression in (DEFAULT, COMPACT):
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print()
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if compression == DEFAULT:
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print('#ifndef HB_OPTIMIZE_SIZE')
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else:
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print('#else')
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print()
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code = packTab.Code('_hb_ucd')
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packTab.pack_table(gc, 'Cn', mapping=gc_order, compression=compression).genCode(code, 'gc')
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packTab.pack_table(ccc, 0, compression=compression).genCode(code, 'ccc')
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packTab.pack_table(bmg, 0, compression=compression).genCode(code, 'bmg')
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packTab.pack_table(sc, 'Zzzz', mapping=sc_order, compression=compression).genCode(code, 'sc')
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packTab.pack_table(dm, None, mapping=dm_order, compression=compression).genCode(code, 'dm')
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code.print_c(linkage='static inline')
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if compression != DEFAULT:
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print()
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print('#endif')
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print()
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print()
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print("#endif /* HB_UCD_TABLE_HH */")
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print()
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print("/* == End of generated table == */")
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