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Annotation of parser3/src/lib/pcre/pcre_internal.h, revision 1.1

1.1     ! moko        1: /* Some internal stuff from PCRE library */
        !             2: /* Author: Sergey B Kirpichev <skirpichev@gmail.com> */
        !             3: 
        !             4: /* Bit definitions for entries in the pcre_ctypes table. */
        !             5: 
        !             6: #define ctype_space   0x01
        !             7: #define ctype_letter  0x02
        !             8: #define ctype_digit   0x04
        !             9: #define ctype_xdigit  0x08
        !            10: #define ctype_word    0x10   /* alphanumeric or '_' */
        !            11: #define ctype_meta    0x80   /* regexp meta char or zero (end pattern) */
        !            12: 
        !            13: /* Offsets for the bitmap tables in pcre_cbits. Each table contains a set
        !            14:    of bits for a class map. Some classes are built by combining these tables. */
        !            15: 
        !            16: #define cbit_space     0      /* [:space:] or \s */
        !            17: #define cbit_xdigit   32      /* [:xdigit:] */
        !            18: #define cbit_digit    64      /* [:digit:] or \d */
        !            19: #define cbit_upper    96      /* [:upper:] */
        !            20: #define cbit_lower   128      /* [:lower:] */
        !            21: #define cbit_word    160      /* [:word:] or \w */
        !            22: #define cbit_graph   192      /* [:graph:] */
        !            23: #define cbit_print   224      /* [:print:] */
        !            24: #define cbit_punct   256      /* [:punct:] */
        !            25: #define cbit_cntrl   288      /* [:cntrl:] */
        !            26: #define cbit_length  320      /* Length of the cbits table */
        !            27: 
        !            28: /* Offsets of the various tables from the base tables pointer, and total length. */
        !            29: 
        !            30: #define lcc_offset      0
        !            31: #define fcc_offset    256
        !            32: #define cbits_offset  512
        !            33: #define ctypes_offset (cbits_offset + cbit_length)
        !            34: #define tables_length (ctypes_offset + 256)
        !            35: 
        !            36: /* All character handling must be done as unsigned characters. Otherwise there
        !            37: are problems with top-bit-set characters and functions such as isspace().
        !            38: However, we leave the interface to the outside world as char *, because that
        !            39: should make things easier for callers. We define a short type for unsigned char
        !            40: to save lots of typing. I tried "uchar", but it causes problems on Digital
        !            41: Unix, where it is defined in sys/types, so use "uschar" instead. */
        !            42: 
        !            43: typedef unsigned char uschar;
        !            44: 
        !            45: /* Internal shared data tables. These are tables that are used by more than one
        !            46: of the exported public functions. They have to be "external" in the C sense,
        !            47: but are not part of the PCRE public API. The data for these tables is in the
        !            48: pcre_tables.c module. */
        !            49: 
        !            50: extern const uschar _pcre_default_tables[];