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server/get2fe.cxx File Reference

Udanax bottom-level input routines - front end version. More...

#include <ctype.h>
#include "udanax.h"
#include "players.h"

Include dependency graph for get2fe.cxx:

Go to the source code of this file.

Defines
#define	WORDELIM   '~'
#define	TUMDELIM   '.'
#define	SPANFLAG   's'
#define	VSPECFLAG   'v'
#define	TEXTFLAG   't'
Functions
bool	getnum (Session *sess, int *numptr)
	???
bool	gettdigit (Session *sess, int *valueptr)
	???
bool	getspan (Session *sess, typespan *spanptr, typeitemid id)
	???
bool	getvspec (Session *sess, typevspec *vspecptr)
	???
bool	getspanset (Session *sess, typespanset *spansetptr, typeitemid id)
	???
bool	gettext (Session *sess, typetext *textptr)
	???
bool	validrequest (Session *sess, typerequest request)
	???
void	error (Session *sess, char *string)
	???
void	frontenddied ()
	???
void	pushc (Session *sess, char c)
	???
char	pullc (Session *sess)
	???
bool	gettumbler (Session *sess, Tumbler *tumblerptr)
	parse a tumbler value from the input stream
bool	getnumber (Session *sess, int *numptr)
	???
bool	eatchar (Session *sess, char c)
	???
bool	getspecset (Session *sess, typespecset *specsetptr)
	???
bool	getcutseq (Session *sess, typecutseq *cutseqptr)
	???
bool	gettextset (Session *sess, typetextset *textsetptr)
	???
bool	getrequest (Session *sess, typerequest *requestptr)
	???
bool	validaccount (Session *sess, IStreamAddr *accountptr)
	???
Variables
FILE *	logfile
FILE *	nulllog
FILE *	reallog
bool	logstuff
FILE *	interfaceinput
FILE *	febelog

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Detailed Description

Udanax bottom-level input routines - front end version.

(to be defined)

Definition in file get2fe.cxx.

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Define Documentation

#define SPANFLAG   's'

Definition at line 96 of file get2fe.cxx. Referenced by getspecset().

#define TEXTFLAG   't'

Definition at line 98 of file get2fe.cxx. Referenced by puttextset().

#define TUMDELIM   '.'

Definition at line 95 of file get2fe.cxx. Referenced by gettdigit(), and puttumbler().

#define VSPECFLAG   'v'

Definition at line 97 of file get2fe.cxx. Referenced by getspecset().

#define WORDELIM   '~'

Definition at line 94 of file get2fe.cxx. Referenced by getnumber(), getrequest(), getspecset(), gettumbler(), pullc(), putnumber(), and puttumbler().

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Function Documentation

bool eatchar (  Session *  sess, char  c )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 291 of file get2fe.cxx. References metachar, pullc(), and pushc(). Referenced by getbool(), gettumbler(), and needchar(). : User's session context char c) { metachar m; if ((m = pullc(sess)) != c) { pushc(sess, m); return false; } else return true; }

void error (  Session *  session, char *  string )

??? (to be defined) Parameters: session  Input: User's session context Definition at line 113 of file put.cxx. References Session::errp, and xuputstring(). Referenced by getbool(), gettumbler(), navigateonht(), pushc(), and putitem(). : User's session context char *string) { fprintf(sess->errp, "%s", string); }

void frontenddied (   )

??? (to be defined) Definition at line 250 of file be.cxx. { L("The frontend apparently has died.\n"); diskexit(); assert(0); // The frontend died }

bool getcutseq (  Session *  sess, typecutseq *  cutseqptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 432 of file get2fe.cxx. References typecutseq::cutsarray, getnumber(), gettumbler(), and typecutseq::numberofcuts. Referenced by getrearrange(). : User's session context typecutseq *cutseqptr) { int ncuts, i; /* fprintf (logfile, " cutseq"); */ if (!(getnumber(sess, &ncuts) && (ncuts == 3 || ncuts == 4))) return false; /* fprintf (logfile, " {"); */ cutseqptr->numberofcuts = ncuts; for (i = 0; i < ncuts; ++i) { if (!gettumbler(sess, &cutseqptr->cutsarray[i])) return false; } /* fprintf (logfile, " }"); */ return true; }

bool getnum (  Session *  sess, int *  numptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 120 of file get2.cxx. References Session::errp, Session::inp, and metachar. Referenced by getnumber(), gettdigit(), and gettumbler(). : User's session context int *numptr) { /* inside temporary */ metachar c; int num; bool flag = false; /* should check for minus */ for (num = 0; (c = getc(sess->inp)) != EOF && isdigit(c);) { num = num * 10 + c - '0'; flag = true; } if (!flag) { fprintf(sess->errp, "no number\n"); #ifndef DISTRIBUTION if (c == '?' || c == 'h') { system("cat /usr3/xu/requests.j"); } else if (c == '!') { system("csh"); } #endif } else { ungetc(c, sess->inp); *numptr = num; } return flag; }

bool getnumber (  Session *  sess, int *  numptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 266 of file get2fe.cxx. References pullc(), and WORDELIM. Referenced by getcutseq(), getfindnextnlinksfromtothree(), getfollowlink(), getopen(), getrequest(), getspecset(), gettextset(), and setdebug(). : User's session context int *numptr) { int num = 0; bool flag = false; char c; while ((c = pullc(sess)) && isdigit(c)) { num = num * 10 + c - '0'; flag = true; } *numptr = num; /* fprintf (logfile, " %d", *numptr); */ return flag && (c == WORDELIM || c == '\n'); }

bool getrequest (  Session *  sess, typerequest *  requestptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 533 of file get2fe.cxx. References Session::charinbuff, getnumber(), Session::inp, L, logfile, prompt(), pullc(), validrequest(), and WORDELIM. Referenced by xanadu(). : User's session context typerequest *requestptr) { char c; int num; bool flag; /* fprintf (logfile, "\nrequest "); */ sess->charinbuff = false; /* * return ( getnumber (sess, requestptr) && validrequest (sess, * *requestptr)); */ num = 0; flag = false; while ((c = pullc(sess)) != 0) { fprintf(logfile, "%c", c); if (!isdigit(c)) break; num = num * 10 + c - '0'; flag = true; } *requestptr = num; return flag && (c == WORDELIM || c == '\n') && validrequest(sess, *requestptr); }

bool getspan (  Session *  sess, typespan *  spanptr, typeitemid  id )

??? (to be defined) Referenced by getdeletevspan(), getspanset(), and getspecset().

bool getspanset (  Session *  sess, typespanset *  spansetptr, typeitemid  id )

??? (to be defined) Referenced by getboolset(), getfindlinksfromtothree(), and getvspec().

bool getspecset (  Session *  sess, typespecset *  specsetptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 312 of file get2fe.cxx. References getnumber(), getspan(), getvspec(), ISPANID, NULL, pullc(), SPANFLAG, typespecset, VSPECFLAG, and WORDELIM. Referenced by getcopy(), getcreatelink(), getfinddocscontaining(), getfindlinksfromtothree(), getretrieveendsets(), getretrievev(), and getshowrelationof2versions(). : User's session context typespecset *specsetptr) { int num; char c, c1; typespecset specset; *specsetptr = NULL; if (!getnumber(sess, &num)) return false; if (num == 0) return true; while (num--) { c = pullc(sess); if ((c != SPANFLAG) && (c != VSPECFLAG)) return false; /* mightn't work */ if ((c1 = pullc(sess)) != WORDELIM && c1 != '\n') return false; if (c == SPANFLAG) { specset = (typespecset) new(sess) typespan; // specset = (typespecset) sess->alloc(sizeof(typespan)); if (!getspan(sess, (typespan *) specset, ISPANID)) return false; } else { specset = (typespecset) new(sess) typevspec; // specset = (typespecset) sess->alloc(sizeof(typevspec)); if (!getvspec(sess, (typevspec *) specset)) return false; } *specsetptr = specset; specsetptr = (typespecset *) & ((typeitemheader *) specset)->next; } return true; }

bool gettdigit (  Session *  sess, int *  valueptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 218 of file get2fe.cxx. References getnum(), pullc(), pushc(), and TUMDELIM. Referenced by gettumbler(). : User's session context int *valueptr) { char c; if ((c = pullc(sess)) != TUMDELIM) { pushc(sess, c); return (false); } return getnum(sess, valueptr); }

bool gettext (  Session *  sess, typetext *  textptr )

??? (to be defined) Referenced by gettextset().

bool gettextset (  Session *  sess, typetextset *  textsetptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 461 of file get2fe.cxx. References getnumber(), gettext(), typetext::next, NULL, and typetextset. Referenced by getinsert(). : User's session context typetextset *textsetptr) { typetextset textset; int num; /* fprintf (logfile, " textset"); fprintf (sess->errp, "X gettextset\n"); */ *textsetptr = NULL; if (!getnumber(sess, &num)) return false; /* fprintf (sess->errp, "X number of texts is %d\n", num); fprintf (logfile, " {"); */ while (num--) { textset = (typetextset) new(sess) typetext; // textset = (typetextset) sess->alloc(sizeof(typetext)); if (!gettext(sess, textset)) return false; *textsetptr = textset; textsetptr = &textset->next; } /* fprintf (logfile, " }"); */ return true; }

bool gettumbler (  Session *  sess, Tumbler *  tumblerptr )

parse a tumbler value from the input stream (to be defined) Parameters: sess  Input: User's session context Definition at line 187 of file get2fe.cxx. References error(), Tumbler::exp, getnum(), gettdigit(), Tumbler::mantissa, NPLACES, pullc(), tumblerclear, and WORDELIM. Referenced by getclose(), getcopy(), getcreatelink(), getcreatenewversion(), getcreatenode_or_account(), getcutseq(), getdeletevspan(), getfindnextnlinksfromtothree(), getfollowlink(), getinsert(), getisa(), getopen(), getrearrange(), getretrievedocvspan(), getretrievedocvspanset(), getvsa(), getxaccount(), and showorgl(). : User's session context Tumbler *tumblerptr) { char c; int i, num, value; /* fprintf(sess->errp,"X gettumbler\n"); */ tumblerclear(tumblerptr); getnum(sess, &num); tumblerptr->exp = -num; for (i = 0; gettdigit(sess, &value); i++) { if (i > NPLACES) { error(sess, "gettumbler overflow\n"); return false; } tumblerptr->mantissa[i] = value; } /* fprintf (logfile, " "); puttumbler (logfile, tumblerptr); */ return (c = pullc(sess)) == WORDELIM || c == '\n'; }

bool getvspec (  Session *  sess, typevspec *  vspecptr )

??? (to be defined) Referenced by getspecset().

char pullc (  Session *  sess  )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 146 of file get2fe.cxx. References Session::charbuff, Session::charinbuff, febelog, frontenddied(), Session::inp, interfaceinput, L, logstuff, nulllog, user, and WORDELIM. Referenced by eatchar(), establishprotocol(), getnumber(), getrequest(), getspecset(), gettdigit(), and gettumbler(). : User's session context { int temp; if (sess->charinbuff) { sess->charinbuff = false; return sess->charbuff; } else { temp = getc(sess->inp); if (temp == EOF) { L("EOF on user %d in pullc\n", user); frontenddied(); /* does longjmp in backenddaemon, exit in backend */ /* L("Premature end-of-file in backend\n"); diskexit (); // try to avoid screwing enf.enf // * assert(0); "pullc" */ } temp &= 0x7f; if (logstuff && interfaceinput && interfaceinput != nulllog) { if (temp == WORDELIM) putc('\n', interfaceinput); else putc(temp, interfaceinput); } if (febelog && febelog != nulllog) putc(temp, febelog); return temp; } }

void pushc (  Session *  sess, char  c )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 126 of file get2fe.cxx. References Session::charbuff, Session::charinbuff, and error(). Referenced by eatchar(), and gettdigit(). : User's session context char c) { if (sess->charinbuff) error(sess, "charbuff occupied\n"); else { sess->charinbuff = true; sess->charbuff = c; } }

bool validaccount (  Session *  sess, IStreamAddr *  accountptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 587 of file get2fe.cxx. Referenced by getxaccount(). : User's session context IStreamAddr *accountptr) { return true; }

bool validrequest (  Session *  sess, typerequest  request )

??? (to be defined) Referenced by getrequest().

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Variable Documentation

FILE* febelog

Definition at line 106 of file get2fe.cxx.

FILE* interfaceinput

Definition at line 105 of file get2fe.cxx.

FILE* logfile

Definition at line 100 of file get2fe.cxx.

bool logstuff

Definition at line 104 of file get2fe.cxx.

FILE* nulllog

Definition at line 101 of file get2fe.cxx.

FILE* reallog

Definition at line 102 of file get2fe.cxx.

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