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libsrc/context.cxx File Reference

??? More...

#include <memory.h>
#include "udanax.h"

Include dependency graph for context.cxx:

Go to the source code of this file.

Functions
Context *	createcontext (unsigned char type)
	???
void	contextfree (Context *context)
	???
CrumContext *	createcrumcontext (typecorecrum *crumptr, typedsp *offsetptr)
	???
void	crumcontextfree (CrumContext *context)
	???
int	whereoncontext (Context *ptr, Tumbler *address, int index)
	???
void	prologuecontextnd (Context *ptr, typedsp *grasp, typedsp *reach)
	???
void	incontextlistnd (Context **clistptr, Context *c, int index)
	???
void	oncontextlistseq (Context **clistptr, Context *c)
	???
Context *	makecontextfromcbc (typecbc *crumptr, typewid *offsetptr)
	???
typeitemid	index2itemid (int index, Context *context)
	???
void	context2span (Context *context, typespan *restrictionspanptr, int idx1, typespan *foundspanptr, int idx2)
	???
void	context2vtext (Context *context, typeispan *ispanptr, typevstuffset vstuffset)
	???
bool	context2vstuff (Session *sess, Context *context, typeispan *ispanptr, typevstuffset *vstuffsetptr)
	???
Variables
int	contextnum = 0
int	c2dontextnum = 0
int	crumcontextnum = 0

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Detailed Description

???

(to be defined)

Definition in file context.cxx.

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Function Documentation

void context2span (  Context *  context, typespan *  restrictionspanptr, int  idx1, typespan *  foundspanptr, int  idx2 )

??? (to be defined) Definition at line 393 of file context.cxx. References typewid::dsas, GREATER, index2itemid(), typespan::itemid, LESS, movetumbler, typespan::next, NULL, prologuecontextnd(), typespan::stream, tumbleradd, tumblercmp(), tumblerincrement(), tumblerintdiff(), tumblersub(), typedsp, and typespan::width. Referenced by span2spanset(). { Tumbler upperbound, lowerbound; typedsp grasp, reach; /* int i; */ /* foo("entering context2span\n"); */ /* foocontext("context = \n",context); */ /* foospanset("restrictionspan = \n",restrictionspanptr); */ movetumbler(&restrictionspanptr->stream, &lowerbound); tumbleradd(&lowerbound, &restrictionspanptr->width, &upperbound); prologuecontextnd(context, &grasp, &reach); /* footumbler("lowerbound = \n",&lowerbound); */ /* footumbler("upperbound = \n",&upperbound); */ if (tumblercmp(&grasp.dsas[idx1], &lowerbound) == LESS) { /* foo("LESSER\n"); */ /* foodsp("grasp = \n",&grasp,POOM); */ tumblerincrement(&grasp.dsas[idx2], 0, (int) tumblerintdiff(&lowerbound, &grasp.dsas[idx1]), &grasp.dsas[idx2]); /* foodsp("grasp = \n",&grasp,POOM); */ } if (tumblercmp(&reach.dsas[idx1], &upperbound) == GREATER) { /* foo("GREATER\n"); */ /* foodsp("reach = \n",&reach,POOM); */ tumblerincrement(&reach.dsas[idx2], 0, /* i= */ -tumblerintdiff(&reach.dsas[idx1], &upperbound), &reach.dsas[idx2]); /* foodec("tumblerintdiff = ",i); */ /* foodsp("reach = \n",&reach,POOM); */ } /* foodsp("grasp = \n",&grasp,POOM); */ /* foodsp("reach = \n",&reach,POOM); */ movetumbler(&grasp.dsas[idx2], &foundspanptr->stream); tumblersub(&reach.dsas[idx2], &grasp.dsas[idx2], &foundspanptr->width); /* footumbler("foundspanwidth = \n",&foundspanptr->width); */ foundspanptr->itemid = index2itemid(idx2, context); foundspanptr->next = NULL; /* foospanset("leaving context2span with foundspan = \n",foundspanptr); */ }

bool context2vstuff (  Session *  sess, Context *  context, typeispan *  ispanptr, typevstuffset *  vstuffsetptr )

??? (to be defined) Parameters: sess  Input: User's session context Definition at line 493 of file context.cxx. References ADDRESSID, context2vtext(), Context::contextinfo, typewid::dsas, foo(), foocontext(), typebottomcruminfo::granbottomcruminfo, GRANORGL, GRANTEXT, typegranbottomcruminfo::infotype, movetumbler, NULL, TEXTID, ContextBase::totaloffset, typeispan, typelink, typevstuffset, and WIDTH. Referenced by ispan2vstuffset(). : User's session context Context *context, typeispan *ispanptr, typevstuffset *vstuffsetptr) { typevstuffset vstuffset = NULL; #ifndef DISTRIBUTION foo("context2stuff\n"); #endif int contextinfotype = context->contextinfo.granbottomcruminfo.infotype; if (contextinfotype != GRANTEXT && contextinfotype != GRANORGL) return false; switch (contextinfotype) { case GRANTEXT: vstuffset = (typevstuffset) new(sess) typetext; // vstuffset = (typevstuffset) sess->alloc(sizeof(typetext)); ((typeitemheader *) vstuffset)->next = NULL; #ifndef DISTRIBUTION foocontext("context after item= ", context); #endif ((typeitemheader *) vstuffset)->itemid = TEXTID; context2vtext(context, ispanptr, vstuffset); if (((typetext *) vstuffset)->length == 0) return false; break; case GRANORGL: vstuffset = (typevstuffset) new(sess) typeaddress; // vstuffset = (typevstuffset) sess->alloc(sizeof(typeaddress)); ((typeitemheader *) vstuffset)->next = NULL; #ifndef DISTRIBUTION foocontext("context after item= ", context); #endif ((typeitemheader *) vstuffset)->itemid = ADDRESSID; movetumbler(&context->totaloffset.dsas[WIDTH], &((typelink *) vstuffset)->address); } *vstuffsetptr = vstuffset; return true; }

void context2vtext (  Context *  context, typeispan *  ispanptr, typevstuffset  vstuffset )  [static]

??? (to be defined) Definition at line 446 of file context.cxx. References Context::contextinfo, typewid::dsas, foo(), footumbler(), typebottomcruminfo::granbottomcruminfo, typegranbottomcruminfo::granstuff, GREATER, LESS, movetumbler, movmem, typespan::stream, typegrantext::textlength, typegrantext::textstring, typegranstuff::textstuff, ContextBase::totaloffset, tumbleradd, tumblercmp(), tumblerincrement(), tumblerintdiff(), typeispan, typevstuffset, typespan::width, and WIDTH. Referenced by context2vstuff(). { IStreamAddr crumistart, crumiend, ispanstart, ispanend; int i, vtlength; movetumbler(&context->totaloffset.dsas[WIDTH], &crumistart); #ifndef DISTRIBUTION footumbler("crumistart = ", &crumistart); #endif tumblerincrement(&crumistart, 0, (int) context->contextinfo.granbottomcruminfo.granstuff.textstuff.textlength, &crumiend); #ifndef DISTRIBUTION footumbler("crumiend = ", &crumiend); #endif movetumbler(&ispanptr->stream, &ispanstart); tumbleradd(&ispanstart, &ispanptr->width, &ispanend); i = 0; vtlength = context->contextinfo.granbottomcruminfo.granstuff.textstuff.textlength; if (tumblercmp(&crumistart, &ispanstart) == LESS) { #ifndef DISTRIBUTION foo("first if\n\ti = tumblerintdiff (&ispanstart, &crumistart)\n"); #endif i = tumblerintdiff(&ispanstart, &crumistart); vtlength -= i; } if (tumblercmp(&crumiend, &ispanend) == GREATER) { #ifndef DISTRIBUTION foo("second if\n\tvtlength -= tumblerintdiff (&crumiend, &ispanend)\n"); #endif vtlength -= tumblerintdiff(&crumiend, &ispanend); } ((typetext *) vstuffset)->length = vtlength > 0 ? vtlength : -vtlength; movmem(&context->contextinfo.granbottomcruminfo.granstuff.textstuff.textstring[i], ((typetext *) vstuffset)->string, ((typetext *) vstuffset)->length); }

void contextfree (  Context *  context  )

??? (to be defined) Definition at line 136 of file context.cxx. References c2dontextnum, contextnum, ContextBase::contexttype, efree(), GRAN, and ContextBase::nextcontext. Referenced by finddocscontainingsp(), isaexistsgr(), ispan2vstuffset(), link2sporglset(), retrievesporglsetinrange(), span2spanset(), and sporglset2linksetinrange(). { Context *c; for (; (c = context) != 0;) { if (c->contexttype == GRAN) { --contextnum; } else { --c2dontextnum; } context = (Context *) context->nextcontext;; efree((char *)c); } }

Context* createcontext (  unsigned char  type  )  [static]

??? (to be defined) Definition at line 110 of file context.cxx. References c2dontextnum, clear, CONTEXT2DTAG, contextnum, CONTEXTTAG, ContextBase::contexttype, eallocwithtag(), and GRAN. Referenced by makecontextfromcbc(). { Context *ret; if (type == GRAN) { ret = (Context *) eallocwithtag(sizeof(Context), CONTEXTTAG); clear(ret, sizeof(Context)); ++contextnum; } else { ret = (Context *) eallocwithtag(sizeof(type2dcontext), CONTEXT2DTAG); clear(ret, sizeof(type2dcontext)); ++c2dontextnum; } ret->contexttype = type; return (ret); }

CrumContext* createcrumcontext (  typecorecrum *  crumptr, typedsp *  offsetptr )

??? (to be defined) Definition at line 161 of file context.cxx. References CrumContext::corecrum, crumcontextnum, CRUMCONTEXTTAG, eallocwithtag(), movewisp, CrumContext::nextcrumcontext, NULL, reserve(), CrumContext::totaloffset, typecorecrum, and typedsp. Referenced by findcbcseqcrum(). { reserve(crumptr); CrumContext *ret = (CrumContext *) eallocwithtag(sizeof(CrumContext), CRUMCONTEXTTAG); ret->nextcrumcontext = NULL; ret->corecrum = (typecbc *) crumptr; movewisp(offsetptr, &ret->totaloffset); ++crumcontextnum; return ret; }

void crumcontextfree (  CrumContext *  context  )

??? (to be defined) Definition at line 182 of file context.cxx. References CrumContext::corecrum, crumcontextnum, efree(), CrumContext::nextcrumcontext, rejuvinate, and typecorecrum. Referenced by fetchorglgr(), and insertseq(). { CrumContext *c; for (; (c = context) != 0; context = context->nextcrumcontext, efree((char *)c)) { rejuvinate((typecorecrum *) c->corecrum); --crumcontextnum; } }

void incontextlistnd (  Context **  clistptr, Context *  c, int  index )

??? (to be defined) Definition at line 259 of file context.cxx. References typewid::dsas, ContextBase::nextcontext, NULL, ONMYLEFTBORDER, prologuecontextnd(), THRUME, typedsp, and whereoncontext(). Referenced by findcbcinarea2d(). { Context *clist, *nextc; typedsp grasp; prologuecontextnd(c, &grasp, (typedsp *) NULL); c->nextcontext = NULL; clist = *clistptr; /* 1st insertion */ if (!clist) { /* if (debug) L("first insertion\n"); */ *clistptr = c; return; } /* on beginning */ if (whereoncontext(clist, &grasp.dsas[index], index) < THRUME) { /* if (debug) L("beginning\n"); */ c->nextcontext = clist; *clistptr = c; return; } else { for (; (nextc = (Context *) clist->nextcontext) != 0; clist = nextc) { /* in middle */ if ((whereoncontext(clist, &grasp.dsas[index], index) > ONMYLEFTBORDER) && (whereoncontext(nextc, &grasp.dsas[index], index) < ONMYLEFTBORDER)) { /* if (debug) L("middle\n"); */ c->nextcontext = nextc; clist->nextcontext = c; return; } } } /* on end */ /* if (debug) L("end\n"); */ c->nextcontext = NULL; clist->nextcontext = c; }

typeitemid index2itemid (  int  index, Context *  context )  [static]

??? (to be defined) Definition at line 372 of file context.cxx. References assert, ContextBase::contexttype, I, ISPANID, POOM, SPAN, UNKNOWNID, and VSPANID. Referenced by context2span(). { switch (context->contexttype) { case POOM: return (index == I) ? ISPANID : VSPANID; case SPAN: return ISPANID; default: assert(0); // index2itemid bad enftype return UNKNOWNID; } }

Context* makecontextfromcbc (  typecbc *  crumptr, typewid *  offsetptr )

??? (to be defined) Definition at line 330 of file context.cxx. References typecbc::cdsp, typecbc::cenftype, typecbc::cinfo, Context::contextinfo, ContextBase::contextwid, createcontext(), typecbc::cwid, debug, dspadd(), dump(), dumpcontext(), foo(), GRAN, is2dcrum(), move2dinfo(), moveinfo(), movewisp, ContextBase::nextcontext, NULL, rejuvinate, reserve(), ContextBase::totaloffset, and typecorecrum. Referenced by findcbcinarea2d(), findcbcinspanseq(), findcbcnd(), findcbcseq(), and findlastcbcseq(). { Context *context; #ifndef DISTRIBUTION if (debug) { foo("make contextfromcbc crum is "); dump((typecorecrum *) crumptr); } #endif reserve((typecorecrum *) crumptr); context = createcontext(crumptr->cenftype); movewisp(offsetptr, &context->totaloffset); movewisp(&crumptr->cwid, &context->contextwid); if (is2dcrum((typecorecrum *) crumptr)) move2dinfo(&((type2dcbc *) crumptr)->c2dinfo, &((type2dcontext *) context)->context2dinfo); else moveinfo((typebottomcruminfo *) &crumptr->cinfo, &context->contextinfo); if (crumptr->cenftype != GRAN) dspadd(&context->totaloffset, &crumptr->cdsp, &context->totaloffset, (int) crumptr->cenftype); context->nextcontext = NULL; rejuvinate((typecorecrum *) crumptr); #ifndef DISTRIBUTION if (debug) { dumpcontext(context); } #endif return context; }

void oncontextlistseq (  Context **  clistptr, Context *  c )

??? (to be defined) Definition at line 308 of file context.cxx. References Context::lastcontext, ContextBase::nextcontext, and NULL. Referenced by findcbcinspanseq(), and retrieveinspan(). { /* add to list of context */ c->nextcontext = NULL; if (!*clistptr) { /* 1st insertion */ *clistptr = c; c->lastcontext = c; } else { /* on end */ (*clistptr)->lastcontext->nextcontext = c; (*clistptr)->lastcontext = c; } }

void prologuecontextnd (  Context *  ptr, typedsp *  grasp, typedsp *  reach )  [static]

??? (to be defined) Definition at line 240 of file context.cxx. References ContextBase::contexttype, ContextBase::contextwid, dspadd(), movewisp, ContextBase::totaloffset, and typedsp. Referenced by context2span(), and incontextlistnd(). { movewisp(&ptr->totaloffset, grasp); if (reach) dspadd(grasp, &ptr->contextwid, reach, ptr->contexttype); }

int whereoncontext (  Context *  ptr, Tumbler *  address, int  index )  [static]

??? (to be defined) Definition at line 201 of file context.cxx. References assert, ContextBase::contexttype, ContextBase::contextwid, typewid::dsas, GRAN, intervalcmp(), movetumbler, POOM, SPAN, ContextBase::totaloffset, tumbleradd, and WIDTH. Referenced by incontextlistnd(). { Tumbler left, right; switch (ptr->contexttype) { case GRAN: movetumbler(&ptr->totaloffset.dsas[WIDTH], &left); tumbleradd(&left, &ptr->contextwid.dsas[WIDTH], &right); break; case SPAN: /* zzz * if (iszerotumbler(&ptr->contextwid.dsas[SPANRANGE])) { * assert(0) // zero spanrange in whereoncontext * } */ case POOM: movetumbler(&ptr->totaloffset.dsas[index], &left); tumbleradd(&left, &ptr->contextwid.dsas[index], &right); break; default: assert(0); // whereoncontext: bad enftype } return intervalcmp(&left, &right, address); }

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Variable Documentation

int c2dontextnum = 0 [static]

Definition at line 99 of file context.cxx. Referenced by contextfree(), and createcontext().

int contextnum = 0 [static]

Definition at line 98 of file context.cxx. Referenced by contextfree(), and createcontext().

int crumcontextnum = 0 [static]

Definition at line 100 of file context.cxx. Referenced by createcrumcontext(), and crumcontextfree().

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