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server/get2.cxx File Reference

Udanax input routines - file #2 - no front end version. More...

#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include "udanax.h"

Include dependency graph for get2.cxx:

Go to the source code of this file.

Functions
bool	getspecset (Session *sess, typespecset *specsetptr)
	???
void	prompt (Session *sess, char *string)
	???
bool	getisa (Session *sess, IStreamAddr *isaptr)
	???
bool	getvsa (Session *sess, Tumbler *vsaptr)
	???
bool	gettextset (Session *sess, typetextset *textsetptr)
	???
bool	getnumber (Session *sess, int *numptr)
	???
bool	getcutseq (Session *sess, typecutseq *cutseqptr)
	???
bool	getspanset (Session *sess, typespanset *spansetptr, typeitemid id)
	???
bool	getspan (Session *sess, typespan *spanptr, typeitemid id)
	???
bool	gettumbler (Session *sess, Tumbler *tumblerptr)
	parse a tumbler value from the input stream
bool	validaccount (Session *sess, IStreamAddr *accountptr)
	???
void	error (Session *sess, char *string)
	???
bool	gettext (Session *sess, typetext *textptr)
	???
bool	getvspec (Session *sess, typevspec *vspecptr)
	???
bool	validrequest (Session *sess, typerequest request)
	???
bool	getnum (Session *sess, int *numptr)
	???
bool	eatchar (Session *sess, char c)
	if specified char is at front of input stream, grab and discard; else leave it alone
bool	needchar (Session *sess, char c)
	???
bool	getbool (Session *sess, bool *boolptr)
	???
bool	getrequest (Session *sess, typerequest *requestptr)
	???
bool	getboolset (Session *sess, typeboolsetnode **boolsetptr)
	???

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Detailed Description

Udanax input routines - file #2 - no front end version.

(to be defined)

Definition in file get2.cxx.

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Function Documentation

bool eatchar (  Session *  sess, char  c )

if specified char is at front of input stream, grab and discard; else leave it alone (to be defined) Parameters: sess  Input: User's session context Definition at line 157 of file get2.cxx. References Session::inp, and metachar. : User's session context char c) { metachar m; if ((m = getc(sess->inp)) != c) { ungetc(m, sess->inp); 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. : User's session context char *string) { fprintf(sess->errp, "%s", string); }

bool getbool (  Session *  sess, bool *  boolptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 263 of file get2.cxx. References eatchar(), error(), Session::inp, and prompt(). Referenced by getboolset(), getcutseq(), getspanset(), and getspecset(). : User's session context bool *boolptr) { prompt(sess, "(y/n) "); int c = getc(sess->inp); if (isupper(c)) c = tolower(c); eatchar(sess, '\n'); if (c == 'y') { *boolptr = true; return true; } else if (c == 'n') { *boolptr = false; return true; } else { error(sess, "need 'y' or 'n'"); return false; } }

bool getboolset (  Session *  sess, typeboolsetnode **  boolsetptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 606 of file get2.cxx. References getbool(), getspanset(), ISPANID, typeboolsetnode::itemid, typeboolsetnode::next, NODEID, NULL, prompt(), and typeboolsetnode::val. : User's session context typeboolsetnode **boolsetptr) { bool disjunct; typeboolsetnode *boolset; for (;;) { prompt(sess, "any disjunctions? "); if (!getbool(sess, &disjunct)) return false; if (!disjunct) { *boolsetptr = NULL; return true; } boolset = new(sess) typeboolsetnode; // boolset = (typeboolsetnode *) sess->alloc(sizeof(typeboolsetnode)); prompt(sess, "enter disjunction=> "); if (!getspanset(sess, &boolset->val, ISPANID)) return false; /* zzz & zzz */ boolset->itemid = NODEID; *boolsetptr = boolset; boolsetptr = &boolset->next; } }

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 getisa (  Session *  sess, IStreamAddr *  isaptr )

??? (to be defined) Referenced by getcopy(), getcreatelink(), getcreatenewversion(), getdeletevspan(), getfindnextnlinksfromtothree(), getfollowlink(), getinsert(), getrearrange(), getretrievedocvspan(), getretrievedocvspanset(), getspan(), and getvspec().

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 326 of file get2.cxx. : User's session context typerequest *requestptr) { prompt(sess, "\nrequest? "); int c = getc(sess->inp); if ((int) c == EOF) { L("endfile\n"); sess->inp = stdin; } /* else if (c == ':') { while ((c = * getc (sess->inp)) != '\n'); * return * (false); } */ ungetc(c, sess->inp); return getnumber(sess, requestptr) && validrequest(sess, *requestptr); }

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

??? (to be defined)

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

??? (to be defined)

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 gettext (  Session *  sess, typetext *  textptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 540 of file get2.cxx. References GRANTEXTLENGTH, Session::inp, typetext::itemid, typetext::length, typetext::string, and TEXTID. : User's session context typetext *textptr) { if (!fgets(textptr->string, GRANTEXTLENGTH, sess->inp)) { textptr->length = 0; return false; } textptr->length = strlen(textptr->string); if (textptr->length <= 1) return false; /* remove newlines */ /* * if (textptr->string[textptr->length - 1] == '\n') * textptr->string[--textptr->length] = '\0'; */ textptr->itemid = TEXTID; return true; }

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 getvsa (  Session *  sess, Tumbler *  vsaptr )

??? (to be defined) Referenced by getcopy(), getcutseq(), and getinsert().

bool getvspec (  Session *  sess, typevspec *  vspecptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 429 of file get2.cxx. References typevspec::docisa, getisa(), getspanset(), typevspec::itemid, typevspec::next, NULL, prompt(), VSPANID, typevspec::vspanset, and VSPECID. : User's session context typevspec *vspecptr) { vspecptr->itemid = VSPECID; vspecptr->next = NULL; prompt(sess, "document=> "); if (!(getisa(sess, &vspecptr->docisa) && getspanset(sess, &vspecptr->vspanset, VSPANID))) return false; return true; }

bool needchar (  Session *  sess, char  c )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 178 of file get2.cxx. References eatchar(), and Session::errp. Referenced by getnumber(), and gettumbler(). : User's session context char c) { if (!eatchar(sess, c)) { fprintf(sess->errp, "needed a "); if (c == '\n') fprintf(sess->errp, "newline\n"); else fprintf(sess->errp, "%c\n", c); return false; } return true; }

void prompt (  Session *  session, char *  string )

??? (to be defined) Parameters: session  Input: User's session context Definition at line 98 of file put.cxx. : User's session context char *string) { fprintf(sess->outp, "%s", string); }

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) Parameters: sess  Input: User's session context Definition at line 349 of file get2.cxx. References Session::errp, NREQUESTS, NULL, and requestfns. : User's session context typerequest request) { if (request >= 0 && request < NREQUESTS && requestfns[request] != NULL) return true; fprintf(sess->errp, "invalid request: %d\n", request); return false; }

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