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ex.h
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ex.h
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/* ex.h */
/* Copyright 1995 by Steve Kirkendall */
/* This is a list of all possible print flag combinations */
typedef enum
{
PF_NONE, /* don't print */
PF_PRINT, /* print the line */
PF_NUMBER, /* print line number, then print line */
PF_LIST, /* list the line (making control characters visible) */
PF_NUMLIST /* print line number, then list line */
} PFLAG;
typedef enum
{
ELVFNR_TILDE = 1, /* perform tilde expansion */
ELVFNR_DOLLAR = 2, /* expand $ENVVAR in filenames */
ELVFNR_PAREN = 4, /* expand (expr) in filenames */
ELVFNR_WILDCARD = 8, /* perform wildcard expansion in filenames */
ELVFNR_SPECIAL = 16, /* replace % and # with current/alternate name*/
ELVFNR_SPACE = 32 /* interpret <space> as filename delimiter */
} ELVFNR;
typedef enum
{
EX_ABBR, EX_ALIAS, EX_ALL, EX_APPEND, EX_ARGS, EX_AT, EX_AUTOCMD,
EX_AUEVENT, EX_AUGROUP,
EX_BANG, EX_BBROWSE, EX_BREAK, EX_BROWSE, EX_BUFFER,
EX_CALC, EX_CASE, EX_CC, EX_CD, EX_CHANGE, EX_CHECK, EX_CHREGION,
EX_CLOSE, EX_COLOR, EX_COMMENT, EX_COPY,
EX_DEFAULT, EX_DELETE, EX_DIGRAPH, EX_DISPLAY, EX_DO,
EX_DOALIAS, EX_DOAUTOCMD, EX_DOPROTO,
EX_ECHO, EX_EDIT, EX_ELSE, EX_EQUAL, EX_ERRLIST, EX_ERROR, EX_EVAL,
EX_FILE, EX_FOLD, EX_FOR,
EX_GOTO, EX_GLOBAL, EX_GUI,
EX_HELP,
EX_IF, EX_INSERT,
EX_JOIN,
EX_LAST, EX_LET, EX_LIST, EX_LOCAL, EX_LPR,
EX_MAKE, EX_MAP, EX_MARK, EX_MESSAGE, EX_MKEXRC, EX_MOVE,
EX_NEXT, EX_NOFOLD, EX_NOHLSEARCH, EX_NORMAL, EX_NUMBER,
EX_ONLY, EX_OPEN,
EX_PHELP, EX_POP, EX_PRESERVE, EX_PREVIOUS, EX_PRINT, EX_PUSH, EX_PUT,
EX_QALL, EX_QUIT,
EX_READ, EX_REDO, EX_REGION, EX_REWIND,
EX_SALL, EX_SAFELY, EX_SBBROWSE, EX_SBROWSE, EX_SET, EX_SHELL,
EX_SHIFTL, EX_SHIFTR, EX_SLAST, EX_SNEW, EX_SNEXT, EX_SOURCE,
EX_SPELL, EX_SPLIT, EX_SPREVIOUS, EX_SREWIND, EX_STAG,
EX_STACK, EX_STOP, EX_SUBAGAIN, EX_SUBRECENT, EX_SUBSTITUTE,
EX_SUSPEND, EX_SWITCH,
EX_TAG, EX_THEN, EX_TRY,
EX_UNABBR, EX_UNALIAS, EX_UNBREAK, EX_UNDO, EX_UNFOLD, EX_UNMAP,
EX_UNREGION,
EX_VERSION, EX_VGLOBAL, EX_VISUAL,
EX_WARNING, EX_WHILE, EX_WINDOW, EX_WNEXT, EX_WORDFILE, EX_WORDS,
EX_WQUIT, EX_WRITE,
EX_XIT,
EX_YANK,
EX_Z
} EXCMD;
/* This structure is used to store a parsed ex command */
typedef struct
{
WINDOW window; /* window where line was entered */
MARKBUF defaddr; /* default address (includes buffer spec) */
long from, to; /* range line numbers */
long fromoffset; /* exact offset of an addressed point */
MARK fromaddr; /* start of the "from" line */
MARK toaddr; /* end of "to" line (start of following line) */
ELVBOOL anyaddr; /* ElvTrue if any addresses given, ElvFalse if none */
char *cmdname; /* name of command (for diagnostics) */
EXCMD command; /* code for command name, e.g. EX_PRINT */
int cmdidx; /* index into internal array of cmd attributes */
int multi; /* number of times cmd name was stuttered */
ELVBOOL bang; /* ElvTrue if '!' appended to command name */
MARK destaddr; /* end of destination line */
regexp *re; /* regular expression */
CHAR *lhs; /* single-word argument or "+lineno" string */
CHAR *rhs; /* multi-word argument, or command line */
char **file; /* array of file names */
int nfiles; /* size of "file" array */
CHAR cutbuf; /* cut buffer name */
long count; /* count argument, or plus value */
PFLAG pflag; /* print flag, causes output of some lines */
long delta; /* print offset */
ELVBOOL global; /* executed as part of :global command? */
ELVBOOL undo; /* save an "undo" version before first change? */
MARK newcurs; /* where cursor should be left (NULL to not move) */
#ifdef FEATURE_V
MARKBUF putbacktop; /* for rectangles, where to put changed text */
MARKBUF putbackbottom; /* for rectangles, end to put changed text */
long putbackleft; /* left edge of putback rectangle */
long putbackright; /* right edge of putback rectangle */
long putbackchanges; /* used to detect changes in original buffer */
long cbchanges; /* used to detect changes in rect cut buffer */
#endif
} EXINFO;
/* This stores the current state of ex's control structures */
typedef struct
{
ELVBOOL thenflag; /* result of an :if */
ELVBOOL switchcarry; /* falling through to next :case? */
CHAR *switchvalue; /* result of :switch, compare to :case value */
CHAR *dotest; /* :while expression, or :for variable */
CHAR *list; /* space-delimited list of :for values */
char **file; /* array of file names */
int nfiles; /* number of files in the array */
} EXCTLSTATE;
/* defined in exconfig.c */
extern EXCTLSTATE exctlstate;
/* macros for saving & restoring the control state in a local variable */
#define exctlsave(v) {(v) = exctlstate; memset(&exctlstate, 0, sizeof exctlstate);}
#define exctlrestore(v) {if (exctlstate.switchvalue) safefree(exctlstate.switchvalue);\
if (exctlstate.dotest) safefree(exctlstate.dotest);\
exctlstate = (v);}
/* defined in exmake.c */
extern ELVBOOL makeflag;
BEGIN_EXTERNC
extern ELVBOOL exparseaddress P_((CHAR **refp, EXINFO *xinf));
extern RESULT experform P_((WINDOW win, MARK from, MARK to));
extern RESULT exstring P_((WINDOW win, CHAR *str, char *name));
extern CHAR *exname P_((CHAR *name));
extern RESULT exenter P_((WINDOW win));
extern long exprintlines P_((WINDOW win, MARK line, long qty, PFLAG pflag));
extern CHAR *excomplete P_((WINDOW win, MARK from, MARK to));
extern void exfree P_((EXINFO *xinf));
extern ELVFNR exfilenamerules P_((CHAR *rulestr));
extern ELVBOOL exaddfilearg P_((char ***file, int *nfiles, char *filename, ELVFNR rules));
extern char *exaliasname P_((int i));
extern char *exisalias P_((char *name, ELVBOOL inuse));
extern void exaliassave P_((BUFFER custom));
extern RESULT ex_alias P_((EXINFO *xinf));
extern RESULT ex_doalias P_((EXINFO *xinf));
extern RESULT ex_all P_((EXINFO *xinf));
extern RESULT ex_append P_((EXINFO *xinf));
extern RESULT ex_args P_((EXINFO *xinf));
extern RESULT ex_at P_((EXINFO *xinf));
extern RESULT ex_bang P_((EXINFO *xinf));
extern RESULT ex_browse P_((EXINFO *xinf));
extern RESULT ex_buffer P_((EXINFO *xinf));
extern RESULT ex_case P_((EXINFO *xinf));
extern RESULT ex_cd P_((EXINFO *xinf));
extern RESULT ex_check P_((EXINFO *xinf));
extern RESULT ex_color P_((EXINFO *xinf));
extern RESULT ex_comment P_((EXINFO *xinf));
extern RESULT ex_delete P_((EXINFO *xinf));
extern RESULT ex_digraph P_((EXINFO *xinf));
extern RESULT ex_display P_((EXINFO *xinf));
extern RESULT ex_do P_((EXINFO *xinf));
extern RESULT ex_edit P_((EXINFO *xinf));
extern RESULT ex_errlist P_((EXINFO *xinf));
extern RESULT ex_file P_((EXINFO *xinf));
extern RESULT ex_fold P_((EXINFO *xinf));
extern RESULT ex_global P_((EXINFO *xinf));
extern RESULT ex_gui P_((EXINFO *xinf));
extern RESULT ex_help P_((EXINFO *xinf));
extern RESULT ex_if P_((EXINFO *xinf));
extern RESULT ex_join P_((EXINFO *xinf));
extern RESULT ex_lpr P_((EXINFO *xinf));
extern RESULT ex_make P_((EXINFO *xinf));
extern RESULT ex_map P_((EXINFO *xinf));
extern RESULT ex_mark P_((EXINFO *xinf));
extern RESULT ex_message P_((EXINFO *xinf));
extern RESULT ex_mkexrc P_((EXINFO *xinf));
extern RESULT ex_move P_((EXINFO *xinf));
extern RESULT ex_next P_((EXINFO *xinf));
extern RESULT ex_nohlsearch P_((EXINFO *xinf));
extern RESULT ex_pop P_((EXINFO *xinf));
extern RESULT ex_print P_((EXINFO *xinf));
extern RESULT ex_put P_((EXINFO *xinf));
extern RESULT ex_qall P_((EXINFO *xinf));
extern RESULT ex_read P_((EXINFO *xinf));
extern RESULT ex_region P_((EXINFO *xinf));
extern RESULT ex_sall P_((EXINFO *xinf));
extern RESULT ex_set P_((EXINFO *xinf));
extern RESULT ex_shift P_((EXINFO *xinf));
extern RESULT ex_source P_((EXINFO *xinf));
extern RESULT ex_stack P_((EXINFO *xinf));
extern RESULT ex_substitute P_((EXINFO *xinf));
extern RESULT ex_suspend P_((EXINFO *xinf));
extern RESULT ex_switch P_((EXINFO *xinf));
extern RESULT ex_tag P_((EXINFO *xinf));
extern RESULT ex_then P_((EXINFO *xinf));
extern RESULT ex_undo P_((EXINFO *xinf));
extern RESULT ex_version P_((EXINFO *xinf));
extern RESULT ex_wordfile P_((EXINFO *xinf));
extern RESULT ex_split P_((EXINFO *xinf));
extern RESULT ex_while P_((EXINFO *xinf));
extern RESULT ex_window P_((EXINFO *xinf));
extern RESULT ex_write P_((EXINFO *xinf));
extern RESULT ex_xit P_((EXINFO *xinf));
extern RESULT ex_z P_((EXINFO *xinf));
extern void colorsave P_((BUFFER custom));
END_EXTERNC