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8 * New Mexico State University
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34 * $Id: ure.h,v 1.2 1999/09/21 15:47:44 mleisher Exp $
45 * Set of character class flags.
47 #define _URE_NONSPACING 0x00000001
48 #define _URE_COMBINING 0x00000002
49 #define _URE_NUMDIGIT 0x00000004
50 #define _URE_NUMOTHER 0x00000008
51 #define _URE_SPACESEP 0x00000010
52 #define _URE_LINESEP 0x00000020
53 #define _URE_PARASEP 0x00000040
54 #define _URE_CNTRL 0x00000080
55 #define _URE_PUA 0x00000100
57 #define _URE_UPPER 0x00000200
58 #define _URE_LOWER 0x00000400
59 #define _URE_TITLE 0x00000800
60 #define _URE_MODIFIER 0x00001000
61 #define _URE_OTHERLETTER 0x00002000
62 #define _URE_DASHPUNCT 0x00004000
63 #define _URE_OPENPUNCT 0x00008000
64 #define _URE_CLOSEPUNCT 0x00010000
65 #define _URE_OTHERPUNCT 0x00020000
66 #define _URE_MATHSYM 0x00040000
67 #define _URE_CURRENCYSYM 0x00080000
68 #define _URE_OTHERSYM 0x00100000
70 #define _URE_LTR 0x00200000
71 #define _URE_RTL 0x00400000
73 #define _URE_EURONUM 0x00800000
74 #define _URE_EURONUMSEP 0x01000000
75 #define _URE_EURONUMTERM 0x02000000
76 #define _URE_ARABNUM 0x04000000
77 #define _URE_COMMONSEP 0x08000000
79 #define _URE_BLOCKSEP 0x10000000
80 #define _URE_SEGMENTSEP 0x20000000
82 #define _URE_WHITESPACE 0x40000000
83 #define _URE_OTHERNEUT 0x80000000
89 #define _URE_UNEXPECTED_EOS -1
90 #define _URE_CCLASS_OPEN -2
91 #define _URE_UNBALANCED_GROUP -3
92 #define _URE_INVALID_PROPERTY -4
95 * Options that can be combined for searching.
97 #define URE_IGNORE_NONSPACING 0x01
98 #define URE_DOT_MATCHES_SEPARATORS 0x02
100 typedef unsigned long ucs4_t;
101 typedef unsigned short ucs2_t;
104 * Opaque type for memory used when compiling expressions.
106 typedef struct _ure_buffer_t *ure_buffer_t;
109 * Opaque type for the minimal DFA used when matching.
111 typedef struct _ure_dfa_t *ure_dfa_t;
113 /*************************************************************************
117 *************************************************************************/
119 extern ure_buffer_t ure_buffer_create __((void));
121 extern void ure_buffer_free __((ure_buffer_t buf));
123 extern ure_dfa_t ure_compile __((ucs2_t *re, unsigned long relen,
124 int casefold, ure_buffer_t buf));
126 extern void ure_dfa_free __((ure_dfa_t dfa));
128 extern void ure_write_dfa __((ure_dfa_t dfa, FILE *out));
130 extern int ure_exec __((ure_dfa_t dfa, int flags,
131 ucs2_t *text, unsigned long textlen,
132 unsigned long *match_start, unsigned long *match_end));
134 /*************************************************************************
136 * Prototypes for stub functions used for URE. These need to be rewritten to
137 * use the Unicode support available on the system.
139 *************************************************************************/
141 extern ucs4_t _ure_tolower __((ucs4_t c));
143 extern int _ure_matches_properties __((unsigned long props, ucs4_t c));