165 lines
5.3 KiB
Python
Executable File
165 lines
5.3 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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import logging
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logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO)
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if len (sys.argv) not in (2, 3):
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print("usage: ./gen-ucd-table ucd.nounihan.grouped.xml [/path/to/hb-common.h]", file=sys.stderr)
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sys.exit(1)
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# https://github.com/harfbuzz/packtab
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import packTab
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import packTab.ucdxml
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logging.info('Loading UCDXML...')
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ucdxml = packTab.ucdxml.load_ucdxml(sys.argv[1])
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ucd = packTab.ucdxml.ucdxml_get_repertoire(ucdxml)
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hb_common_h = 'hb-common.h' if len (sys.argv) < 3 else sys.argv[2]
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logging.info('Preparing data tables...')
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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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assert all((v[0] >> 16) in (0,2) for v in dm1)
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dm1_p0_array = ['0x%04Xu' % (v[0] & 0xFFFF) for v in dm1 if (v[0] >> 16) == 0]
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dm1_p2_array = ['0x%04Xu' % (v[0] & 0xFFFF) for v in dm1 if (v[0] >> 16) == 2]
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dm1_order = {v:i+1 for i,v in enumerate(dm1)}
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dm2 = sorted((v+(i if i not in ce and not ccc[i] else 0,), v)
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for i,v in dm.items() if len(v) == 2)
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filt = lambda v: ((v[0] & 0xFFFFF800) == 0x0000 and
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(v[1] & 0xFFFFFF80) == 0x0300 and
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(v[2] & 0xFFF0C000) == 0x0000)
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dm2_u32_array = [v for v in dm2 if filt(v[0])]
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dm2_u64_array = [v for v in dm2 if not filt(v[0])]
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assert dm2_u32_array + dm2_u64_array == dm2
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dm2_u32_array = ["HB_CODEPOINT_ENCODE3_11_7_14 (0x%04Xu, 0x%04Xu, 0x%04Xu)" % v[0] for v in dm2_u32_array]
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dm2_u64_array = ["HB_CODEPOINT_ENCODE3 (0x%04Xu, 0x%04Xu, 0x%04Xu)" % v[0] for v in dm2_u64_array]
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l = 1 + len(dm1_p0_array) + len(dm1_p2_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 = dict()
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for i,v in enumerate(('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[i] = v
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gc_order[v] = i
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sc_order = dict()
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sc_array = []
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sc_re = re.compile(r"\b(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 = len(sc_array)
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sc_order[tag] = i
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sc_order[i] = tag
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sc_array.append(name)
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DEFAULT = 1
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COMPACT = 3
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SLOPPY = 5
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logging.info('Generating output...')
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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.nounihan.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('#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_p0_array, _ = code.addArray('uint16_t', 'dm1_p0_map', dm1_p0_array)
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dm1_p2_array, _ = code.addArray('uint16_t', 'dm1_p2_map', dm1_p2_array)
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dm2_u32_array, _ = code.addArray('uint32_t', 'dm2_u32_map', dm2_u32_array)
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dm2_u64_array, _ = code.addArray('uint64_t', 'dm2_u64_map', dm2_u64_array)
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code.print_c(linkage='static inline')
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datasets = [
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('gc', gc, 'Cn', gc_order),
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('ccc', ccc, 0, None),
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('bmg', bmg, 0, None),
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('sc', sc, 'Zzzz', sc_order),
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('dm', dm, None, dm_order),
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]
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for compression in (DEFAULT, COMPACT, SLOPPY):
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logging.info(' Compression=%d:' % compression)
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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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elif compression == COMPACT:
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print('#elif !defined(HB_NO_UCD_UNASSIGNED)')
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else:
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print('#else')
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print()
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if compression == SLOPPY:
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for i in range(len(gc)):
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if (i % 128) and gc[i] == 'Cn':
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gc[i] = gc[i - 1]
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for i in range(len(gc) - 2, -1, -1):
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if ((i + 1) % 128) and gc[i] == 'Cn':
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gc[i] = gc[i + 1]
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for i in range(len(sc)):
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if (i % 128) and sc[i] == 'Zzzz':
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sc[i] = sc[i - 1]
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for i in range(len(sc) - 2, -1, -1):
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if ((i + 1) % 128) and sc[i] == 'Zzzz':
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sc[i] = sc[i + 1]
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code = packTab.Code('_hb_ucd')
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for name,data,default,mapping in datasets:
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sol = packTab.pack_table(data, default, mapping=mapping, compression=compression)
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logging.info(' Dataset=%-8s FullCost=%d' % (name, sol.fullCost))
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sol.genCode(code, name)
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code.print_c(linkage='static inline')
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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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logging.info('Done.')
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