86 lines
3.5 KiB
C
86 lines
3.5 KiB
C
/* sed.h -- types and constants for the stream editor
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Copyright (C) 1995-2003 Eric S. Raymond
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Copyright (C) 2004-2005 Rene Rebe
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*/
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#define TRUE 1
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#define FALSE 0
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/* data area sizes used by both modules */
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#define MAXBUF 4000 /* current line buffer size */
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#define MAXAPPENDS 20 /* maximum number of appends */
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#define MAXTAGS 9 /* tagged patterns are \1 to \9 */
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#define MAXCMDS 200 /* maximum number of compiled commands */
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#define MAXLINES 256 /* max # numeric addresses to compile */
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/* constants for compiled-command representation */
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#define EQCMD 0x01 /* = -- print current line number */
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#define ACMD 0x02 /* a -- append text after current line */
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#define BCMD 0x03 /* b -- branch to label */
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#define CCMD 0x04 /* c -- change current line */
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#define DCMD 0x05 /* d -- delete all of pattern space */
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#define CDCMD 0x06 /* D -- delete first line of pattern space */
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#define GCMD 0x07 /* g -- copy hold space to pattern space */
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#define CGCMD 0x08 /* G -- append hold space to pattern space */
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#define HCMD 0x09 /* h -- copy pattern space to hold space */
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#define CHCMD 0x0A /* H -- append hold space to pattern space */
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#define ICMD 0x0B /* i -- insert text before current line */
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#define LCMD 0x0C /* l -- print pattern space in escaped form */
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#define CLCMD 0x20 /* L -- hexdump */
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#define NCMD 0x0D /* n -- get next line into pattern space */
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#define CNCMD 0x0E /* N -- append next line to pattern space */
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#define PCMD 0x0F /* p -- print pattern space to output */
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#define CPCMD 0x10 /* P -- print first line of pattern space */
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#define QCMD 0x11 /* q -- exit the stream editor */
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#define RCMD 0x12 /* r -- read in a file after current line */
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#define SCMD 0x13 /* s -- regular-expression substitute */
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#define TCMD 0x14 /* t -- branch on last substitute successful */
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#define CTCMD 0x15 /* T -- branch on last substitute failed */
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#define WCMD 0x16 /* w -- write pattern space to file */
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#define CWCMD 0x17 /* W -- write first line of pattern space */
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#define XCMD 0x18 /* x -- exhange pattern and hold spaces */
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#define YCMD 0x19 /* y -- transliterate text */
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typedef struct cmd_t /* compiled-command representation */
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{
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char *addr1; /* first address for command */
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char *addr2; /* second address for command */
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union
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{
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char *lhs; /* s command lhs */
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struct cmd_t *link; /* label link */
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} u;
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char command; /* command code */
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char *rhs; /* s command replacement string */
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FILE *fout; /* associated output file descriptor */
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struct
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{
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unsigned allbut : 1; /* was negation specified? */
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unsigned global : 1; /* was p postfix specified? */
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unsigned print : 2; /* was g postfix specified? */
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unsigned inrange : 1; /* in an address range? */
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} flags;
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unsigned nth; /* sed nth occurance */
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}
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sedcmd; /* use this name for declarations */
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#define BAD ((char *) -1) /* guaranteed not a string ptr */
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/* address and regular expression compiled-form markers */
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#define STAR 1 /* marker for Kleene star */
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#define CCHR 2 /* non-newline character to be matched follows */
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#define CDOT 4 /* dot wild-card marker */
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#define CCL 6 /* character class follows */
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#define CNL 8 /* match line start */
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#define CDOL 10 /* match line end */
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#define CBRA 12 /* tagged pattern start marker */
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#define CKET 14 /* tagged pattern end marker */
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#define CBACK 16 /* backslash-digit pair marker */
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#define CLNUM 18 /* numeric-address index follows */
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#define CEND 20 /* symbol for end-of-source */
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#define CEOF 22 /* end-of-field mark */
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#define bits(b) (1 << (b))
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/* sed.h ends here */
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