90 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
| #!/usr/bin/env python
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| 
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| import re, sys, itertools
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| 
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| import perfect_hash
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| 
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| pattern = re.compile(r'^#define\s+XKB_KEY_(?P<name>\w+)\s+(?P<value>0x[0-9a-fA-F]+)\s')
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| matches = [pattern.match(line) for line in open(sys.argv[1])]
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| entries = [(m.group("name"), int(m.group("value"), 16)) for m in matches if m]
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| 
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| entries_isorted = sorted(entries, key=lambda e: e[0].lower())
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| entries_kssorted = sorted(entries, key=lambda e: e[1])
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| 
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| print('''
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| /**
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|  * This file comes from libxkbcommon and was generated by makekeys.py
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|  * You can always fetch the latest version from:
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|  * https://raw.github.com/xkbcommon/libxkbcommon/master/src/ks_tables.h
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|  */
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| ''')
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| 
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| entry_offsets = {}
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| 
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| print('''
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| #ifdef __GNUC__
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| #pragma GCC diagnostic push
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| #pragma GCC diagnostic ignored "-Woverlength-strings"
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| #endif
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| static const char *keysym_names =
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| '''.strip())
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| offs = 0
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| for (name, _) in entries_isorted:
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|     entry_offsets[name] = offs
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|     print('    "{name}\\0"'.format(name=name))
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|     offs += len(name) + 1
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| print('''
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| ;
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| #ifdef __GNUC__
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| #pragma GCC diagnostic pop
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| #endif
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| '''.strip())
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| 
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| 
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| template = r'''
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| static const uint16_t keysym_name_G[] = {
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|     $G
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| };
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| 
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| static size_t
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| keysym_name_hash_f(const char *key, const char *T)
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| {
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|     size_t sum = 0;
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|     for (size_t i = 0; key[i] != '\0'; i++)
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|         sum += T[i % $NS] * key[i];
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|     return sum % $NG;
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| }
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| 
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| static size_t
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| keysym_name_perfect_hash(const char *key)
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| {
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|     return (
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|         keysym_name_G[keysym_name_hash_f(key, "$S1")] +
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|         keysym_name_G[keysym_name_hash_f(key, "$S2")]
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|     ) % $NG;
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| }
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| '''
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| print(perfect_hash.generate_code(
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|     keys=[name for name, value in entries_isorted],
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|     template=template,
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| ))
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| 
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| print('''
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| struct name_keysym {
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|     xkb_keysym_t keysym;
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|     uint32_t offset;
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| };\n''')
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| 
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| def print_entries(x):
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|     for (name, value) in x:
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|         print('    {{ 0x{value:08x}, {offs} }}, /* {name} */'.format(offs=entry_offsets[name], value=value, name=name))
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| 
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| print('static const struct name_keysym name_to_keysym[] = {')
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| print_entries(entries_isorted)
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| print('};\n')
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| 
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| # *.sort() is stable so we always get the first keysym for duplicate
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| print('static const struct name_keysym keysym_to_name[] = {')
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| print_entries(next(g[1]) for g in itertools.groupby(entries_kssorted, key=lambda e: e[1]))
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| print('};')
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