/* Categories of Unicode characters.
- Copyright (C) 2002, 2006-2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2006-2007, 2011-2014 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2002.
This program is free software: you can redistribute it and/or modify it
/* Specification. */
#include "unictype.h"
+#include <stdlib.h>
+#include <string.h>
+
+/* Indices stored in the 'struct named_category' elements of the perfect hash
+ table. We don't use uc_general_category_t values or their addresses
+ directly, because this would introduce load-time relocations. */
+enum
+{
+ UC_CATEGORY_INDEX_L,
+ UC_CATEGORY_INDEX_LC,
+ UC_CATEGORY_INDEX_Lu,
+ UC_CATEGORY_INDEX_Ll,
+ UC_CATEGORY_INDEX_Lt,
+ UC_CATEGORY_INDEX_Lm,
+ UC_CATEGORY_INDEX_Lo,
+ UC_CATEGORY_INDEX_M,
+ UC_CATEGORY_INDEX_Mn,
+ UC_CATEGORY_INDEX_Mc,
+ UC_CATEGORY_INDEX_Me,
+ UC_CATEGORY_INDEX_N,
+ UC_CATEGORY_INDEX_Nd,
+ UC_CATEGORY_INDEX_Nl,
+ UC_CATEGORY_INDEX_No,
+ UC_CATEGORY_INDEX_P,
+ UC_CATEGORY_INDEX_Pc,
+ UC_CATEGORY_INDEX_Pd,
+ UC_CATEGORY_INDEX_Ps,
+ UC_CATEGORY_INDEX_Pe,
+ UC_CATEGORY_INDEX_Pi,
+ UC_CATEGORY_INDEX_Pf,
+ UC_CATEGORY_INDEX_Po,
+ UC_CATEGORY_INDEX_S,
+ UC_CATEGORY_INDEX_Sm,
+ UC_CATEGORY_INDEX_Sc,
+ UC_CATEGORY_INDEX_Sk,
+ UC_CATEGORY_INDEX_So,
+ UC_CATEGORY_INDEX_Z,
+ UC_CATEGORY_INDEX_Zs,
+ UC_CATEGORY_INDEX_Zl,
+ UC_CATEGORY_INDEX_Zp,
+ UC_CATEGORY_INDEX_C,
+ UC_CATEGORY_INDEX_Cc,
+ UC_CATEGORY_INDEX_Cf,
+ UC_CATEGORY_INDEX_Cs,
+ UC_CATEGORY_INDEX_Co,
+ UC_CATEGORY_INDEX_Cn
+};
+
+#include "unictype/categ_byname.h"
+
uc_general_category_t
uc_general_category_byname (const char *category_name)
{
- if (category_name[0] != '\0'
- && (category_name[1] == '\0' || category_name[2] == '\0'))
- switch (category_name[0])
+ size_t len;
+
+ len = strlen (category_name);
+ if (len <= MAX_WORD_LENGTH)
+ {
+ char buf[MAX_WORD_LENGTH + 1];
+ const struct named_category *found;
+
+ /* Copy category_name into buf, converting '_' and '-' to ' '. */
{
- case 'L':
- switch (category_name[1])
- {
- case '\0': return UC_CATEGORY_L;
- case 'u': return UC_CATEGORY_Lu;
- case 'l': return UC_CATEGORY_Ll;
- case 't': return UC_CATEGORY_Lt;
- case 'm': return UC_CATEGORY_Lm;
- case 'o': return UC_CATEGORY_Lo;
- }
- break;
- case 'M':
- switch (category_name[1])
- {
- case '\0': return UC_CATEGORY_M;
- case 'n': return UC_CATEGORY_Mn;
- case 'c': return UC_CATEGORY_Mc;
- case 'e': return UC_CATEGORY_Me;
- }
- break;
- case 'N':
- switch (category_name[1])
- {
- case '\0': return UC_CATEGORY_N;
- case 'd': return UC_CATEGORY_Nd;
- case 'l': return UC_CATEGORY_Nl;
- case 'o': return UC_CATEGORY_No;
- }
- break;
- case 'P':
- switch (category_name[1])
- {
- case '\0': return UC_CATEGORY_P;
- case 'c': return UC_CATEGORY_Pc;
- case 'd': return UC_CATEGORY_Pd;
- case 's': return UC_CATEGORY_Ps;
- case 'e': return UC_CATEGORY_Pe;
- case 'i': return UC_CATEGORY_Pi;
- case 'f': return UC_CATEGORY_Pf;
- case 'o': return UC_CATEGORY_Po;
- }
- break;
- case 'S':
- switch (category_name[1])
- {
- case '\0': return UC_CATEGORY_S;
- case 'm': return UC_CATEGORY_Sm;
- case 'c': return UC_CATEGORY_Sc;
- case 'k': return UC_CATEGORY_Sk;
- case 'o': return UC_CATEGORY_So;
- }
- break;
- case 'Z':
- switch (category_name[1])
+ const char *p = category_name;
+ char *q = buf;
+
+ for (;; p++, q++)
{
- case '\0': return UC_CATEGORY_Z;
- case 's': return UC_CATEGORY_Zs;
- case 'l': return UC_CATEGORY_Zl;
- case 'p': return UC_CATEGORY_Zp;
+ char c = *p;
+
+ if (c == '_' || c == '-')
+ c = ' ';
+ *q = c;
+ if (c == '\0')
+ break;
}
- break;
- case 'C':
- switch (category_name[1])
+ }
+ /* Here q == buf + len. */
+
+ /* Do a hash table lookup, with case-insensitive comparison. */
+ found = uc_general_category_lookup (buf, len);
+ if (found != NULL)
+ /* Use a 'switch' statement here, because a table would introduce
+ load-time relocations. */
+ switch (found->category_index)
{
- case '\0': return UC_CATEGORY_C;
- case 'c': return UC_CATEGORY_Cc;
- case 'f': return UC_CATEGORY_Cf;
- case 's': return UC_CATEGORY_Cs;
- case 'o': return UC_CATEGORY_Co;
- case 'n': return UC_CATEGORY_Cn;
+ case UC_CATEGORY_INDEX_L:
+ return UC_CATEGORY_L;
+ case UC_CATEGORY_INDEX_LC:
+ return UC_CATEGORY_LC;
+ case UC_CATEGORY_INDEX_Lu:
+ return UC_CATEGORY_Lu;
+ case UC_CATEGORY_INDEX_Ll:
+ return UC_CATEGORY_Ll;
+ case UC_CATEGORY_INDEX_Lt:
+ return UC_CATEGORY_Lt;
+ case UC_CATEGORY_INDEX_Lm:
+ return UC_CATEGORY_Lm;
+ case UC_CATEGORY_INDEX_Lo:
+ return UC_CATEGORY_Lo;
+ case UC_CATEGORY_INDEX_M:
+ return UC_CATEGORY_M;
+ case UC_CATEGORY_INDEX_Mn:
+ return UC_CATEGORY_Mn;
+ case UC_CATEGORY_INDEX_Mc:
+ return UC_CATEGORY_Mc;
+ case UC_CATEGORY_INDEX_Me:
+ return UC_CATEGORY_Me;
+ case UC_CATEGORY_INDEX_N:
+ return UC_CATEGORY_N;
+ case UC_CATEGORY_INDEX_Nd:
+ return UC_CATEGORY_Nd;
+ case UC_CATEGORY_INDEX_Nl:
+ return UC_CATEGORY_Nl;
+ case UC_CATEGORY_INDEX_No:
+ return UC_CATEGORY_No;
+ case UC_CATEGORY_INDEX_P:
+ return UC_CATEGORY_P;
+ case UC_CATEGORY_INDEX_Pc:
+ return UC_CATEGORY_Pc;
+ case UC_CATEGORY_INDEX_Pd:
+ return UC_CATEGORY_Pd;
+ case UC_CATEGORY_INDEX_Ps:
+ return UC_CATEGORY_Ps;
+ case UC_CATEGORY_INDEX_Pe:
+ return UC_CATEGORY_Pe;
+ case UC_CATEGORY_INDEX_Pi:
+ return UC_CATEGORY_Pi;
+ case UC_CATEGORY_INDEX_Pf:
+ return UC_CATEGORY_Pf;
+ case UC_CATEGORY_INDEX_Po:
+ return UC_CATEGORY_Po;
+ case UC_CATEGORY_INDEX_S:
+ return UC_CATEGORY_S;
+ case UC_CATEGORY_INDEX_Sm:
+ return UC_CATEGORY_Sm;
+ case UC_CATEGORY_INDEX_Sc:
+ return UC_CATEGORY_Sc;
+ case UC_CATEGORY_INDEX_Sk:
+ return UC_CATEGORY_Sk;
+ case UC_CATEGORY_INDEX_So:
+ return UC_CATEGORY_So;
+ case UC_CATEGORY_INDEX_Z:
+ return UC_CATEGORY_Z;
+ case UC_CATEGORY_INDEX_Zs:
+ return UC_CATEGORY_Zs;
+ case UC_CATEGORY_INDEX_Zl:
+ return UC_CATEGORY_Zl;
+ case UC_CATEGORY_INDEX_Zp:
+ return UC_CATEGORY_Zp;
+ case UC_CATEGORY_INDEX_C:
+ return UC_CATEGORY_C;
+ case UC_CATEGORY_INDEX_Cc:
+ return UC_CATEGORY_Cc;
+ case UC_CATEGORY_INDEX_Cf:
+ return UC_CATEGORY_Cf;
+ case UC_CATEGORY_INDEX_Cs:
+ return UC_CATEGORY_Cs;
+ case UC_CATEGORY_INDEX_Co:
+ return UC_CATEGORY_Co;
+ case UC_CATEGORY_INDEX_Cn:
+ return UC_CATEGORY_Cn;
+ default:
+ abort ();
}
- break;
- }
+ }
/* Invalid category name. */
return _UC_CATEGORY_NONE;
}
projects / gnulib.git / blobdiff