sys/src/cmd/plumb/plumber.h

   1 typedef struct Exec Exec;
   2 typedef struct Rule Rule;
   3 typedef struct Ruleset Ruleset;
   4
   5 /*
   6  * Object
   7  */
   8 enum
   9 {
  10         OArg,
  11         OAttr,
  12         OData,
  13         ODst,
  14         OPlumb,
  15         OSrc,
  16         OType,
  17         OWdir,
  18 };
  19
  20 /*
  21  * Verbs
  22  */
  23 enum
  24 {
  25         VAdd,   /* apply to OAttr only */
  26         VClient,
  27         VDelete,        /* apply to OAttr only */
  28         VIs,
  29         VIsdir,
  30         VIsfile,
  31         VMatches,
  32         VSet,
  33         VStart,
  34         VTo,
  35 };
  36
  37 struct Rule
  38 {
  39         int     obj;
  40         int     verb;
  41         char    *arg;           /* unparsed string of all arguments */
  42         char    *qarg;  /* quote-processed arg string */
  43         Reprog  *regex;
  44 };
  45
  46 struct Ruleset
  47 {
  48         int     npat;
  49         int     nact;
  50         Rule    **pat;
  51         Rule    **act;
  52         char    *port;
  53 };
  54
  55 struct Exec
  56 {
  57         Plumbmsg        *msg;
  58         char                    *match[10];
  59         int                     p0;             /* begin and end of match */
  60         int                     p1;
  61         int                     clearclick;     /* click was expanded; remove attribute */
  62         int                     setdata;        /* data should be set to $0 */
  63         int                     holdforclient;  /* exec'ing client; keep message until port is opened */
  64         /* values of $variables */
  65         char                    *file;
  66         char                    *dir;
  67 };
  68
  69 void            parseerror(char*, ...);
  70 void            error(char*, ...);
  71 void*   emalloc(long);
  72 void*   erealloc(void*, long);
  73 char*   estrdup(char*);
  74 Ruleset**       readrules(char*, int);
  75 void            startfsys(void);
  76 Exec*   matchruleset(Plumbmsg*, Ruleset*);
  77 void            freeexec(Exec*);
  78 char*   startup(Ruleset*, Exec*);
  79 char*   printrules(void);
  80 void            addport(char*);
  81 char*   writerules(char*, int);
  82 char*   expand(Exec*, char*, char**);
  83 void            makeports(Ruleset*[]);
  84 void            freeruleset(Ruleset*);
  85 void            printinputstack(void);
  86 int             popinput(void);
  87
  88 Ruleset **rules;
  89 char            *user;
  90 char            *home;
  91 jmp_buf parsejmp;
  92 char            *lasterror;
  93 char            **ports;
  94 int             nports;