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/* $Header$ */
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/*
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* colorings of characters
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* This file is #included by regcomp.c.
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*
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* Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
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*
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* Development of this software was funded, in part, by Cray Research Inc.,
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* UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
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* Corporation, none of whom are responsible for the results. The author
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* thanks all of them.
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*
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* Redistribution and use in source and binary forms -- with or without
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* modification -- are permitted for any purpose, provided that
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* redistributions in source form retain this entire copyright notice and
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* indicate the origin and nature of any modifications.
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*
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* I'd appreciate being given credit for this package in the documentation
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* of software which uses it, but that is not a requirement.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*
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*
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* Note that there are some incestuous relationships between this code and
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* NFA arc maintenance, which perhaps ought to be cleaned up sometime.
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*/
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#define CISERR() VISERR(cm->v)
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#define CERR(e) VERR(cm->v, (e))
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/*
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- initcm - set up new colormap
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^ static VOID initcm(struct vars *, struct colormap *);
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*/
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static VOID
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initcm(v, cm)
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struct vars *v;
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struct colormap *cm;
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{
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int i;
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int j;
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union tree *t;
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union tree *nextt;
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struct colordesc *cd;
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cm->magic = CMMAGIC;
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cm->v = v;
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cm->ncds = NINLINECDS;
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cm->cd = cm->cdspace;
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cm->max = 0;
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cm->free = 0;
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cd = cm->cd; /* cm->cd[WHITE] */
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cd->sub = NOSUB;
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cd->arcs = NULL;
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cd->flags = 0;
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cd->nchrs = CHR_MAX - CHR_MIN + 1;
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/* upper levels of tree */
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for (t = &cm->tree[0], j = NBYTS-1; j > 0; t = nextt, j--) {
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nextt = t + 1;
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for (i = BYTTAB-1; i >= 0; i--)
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t->tptr[i] = nextt;
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}
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/* bottom level is solid white */
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t = &cm->tree[NBYTS-1];
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for (i = BYTTAB-1; i >= 0; i--)
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t->tcolor[i] = WHITE;
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cd->block = t;
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}
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/*
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- freecm - free dynamically-allocated things in a colormap
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^ static VOID freecm(struct colormap *);
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*/
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static VOID
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freecm(cm)
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struct colormap *cm;
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{
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size_t i;
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union tree *cb;
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cm->magic = 0;
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if (NBYTS > 1)
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cmtreefree(cm, cm->tree, 0);
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for (i = 1; i <= cm->max; i++) /* skip WHITE */
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if (!UNUSEDCOLOR(&cm->cd[i])) {
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cb = cm->cd[i].block;
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if (cb != NULL)
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FREE(cb);
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}
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if (cm->cd != cm->cdspace)
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FREE(cm->cd);
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}
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/*
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- cmtreefree - free a non-terminal part of a colormap tree
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^ static VOID cmtreefree(struct colormap *, union tree *, int);
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*/
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static VOID
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cmtreefree(cm, tree, level)
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struct colormap *cm;
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union tree *tree;
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int level; /* level number (top == 0) of this block */
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{
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int i;
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union tree *t;
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union tree *fillt = &cm->tree[level+1];
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union tree *cb;
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assert(level < NBYTS-1); /* this level has pointers */
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for (i = BYTTAB-1; i >= 0; i--) {
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t = tree->tptr[i];
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assert(t != NULL);
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if (t != fillt) {
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if (level < NBYTS-2) { /* more pointer blocks below */
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cmtreefree(cm, t, level+1);
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FREE(t);
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} else { /* color block below */
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cb = cm->cd[t->tcolor[0]].block;
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if (t != cb) /* not a solid block */
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FREE(t);
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}
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}
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}
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}
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/*
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- setcolor - set the color of a character in a colormap
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^ static color setcolor(struct colormap *, pchr, pcolor);
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*/
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static color /* previous color */
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setcolor(cm, c, co)
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struct colormap *cm;
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pchr c;
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pcolor co;
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{
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uchr uc = c;
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int shift;
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int level;
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int b;
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int bottom;
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union tree *t;
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union tree *newt;
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union tree *fillt;
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union tree *lastt;
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union tree *cb;
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color prev;
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assert(cm->magic == CMMAGIC);
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if (CISERR() || co == COLORLESS)
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return COLORLESS;
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t = cm->tree;
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for (level = 0, shift = BYTBITS * (NBYTS - 1); shift > 0;
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level++, shift -= BYTBITS) {
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b = (uc >> shift) & BYTMASK;
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lastt = t;
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t = lastt->tptr[b];
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assert(t != NULL);
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fillt = &cm->tree[level+1];
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bottom = (shift <= BYTBITS) ? 1 : 0;
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cb = (bottom) ? cm->cd[t->tcolor[0]].block : fillt;
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if (t == fillt || t == cb) { /* must allocate a new block */
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newt = (union tree *)MALLOC((bottom) ?
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sizeof(struct colors) : sizeof(struct ptrs));
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if (newt == NULL) {
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CERR(REG_ESPACE);
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return COLORLESS;
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}
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if (bottom)
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memcpy(VS(newt->tcolor), VS(t->tcolor),
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BYTTAB*sizeof(color));
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else
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memcpy(VS(newt->tptr), VS(t->tptr),
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BYTTAB*sizeof(union tree *));
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t = newt;
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lastt->tptr[b] = t;
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}
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}
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b = uc & BYTMASK;
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prev = t->tcolor[b];
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t->tcolor[b] = (color)co;
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return prev;
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}
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/*
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- maxcolor - report largest color number in use
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^ static color maxcolor(struct colormap *);
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*/
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static color
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maxcolor(cm)
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struct colormap *cm;
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{
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if (CISERR())
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return COLORLESS;
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return (color)cm->max;
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}
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/*
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- newcolor - find a new color (must be subject of setcolor at once)
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* Beware: may relocate the colordescs.
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^ static color newcolor(struct colormap *);
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*/
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static color /* COLORLESS for error */
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newcolor(cm)
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struct colormap *cm;
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{
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struct colordesc *cd;
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struct colordesc *new;
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size_t n;
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if (CISERR())
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return COLORLESS;
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if (cm->free != 0) {
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assert(cm->free > 0);
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assert((size_t)cm->free < cm->ncds);
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cd = &cm->cd[cm->free];
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assert(UNUSEDCOLOR(cd));
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assert(cd->arcs == NULL);
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cm->free = cd->sub;
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} else if (cm->max < cm->ncds - 1) {
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cm->max++;
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cd = &cm->cd[cm->max];
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} else {
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/* oops, must allocate more */
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n = cm->ncds * 2;
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if (cm->cd == cm->cdspace) {
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new = (struct colordesc *)MALLOC(n *
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sizeof(struct colordesc));
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if (new != NULL)
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memcpy(VS(new), VS(cm->cdspace), cm->ncds *
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sizeof(struct colordesc));
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} else
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new = (struct colordesc *)REALLOC(cm->cd,
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n * sizeof(struct colordesc));
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if (new == NULL) {
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CERR(REG_ESPACE);
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return COLORLESS;
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}
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cm->cd = new;
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cm->ncds = n;
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assert(cm->max < cm->ncds - 1);
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cm->max++;
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cd = &cm->cd[cm->max];
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}
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cd->nchrs = 0;
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cd->sub = NOSUB;
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cd->arcs = NULL;
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cd->flags = 0;
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cd->block = NULL;
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return (color)(cd - cm->cd);
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}
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/*
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- freecolor - free a color (must have no arcs or subcolor)
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^ static VOID freecolor(struct colormap *, pcolor);
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*/
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static VOID
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freecolor(cm, co)
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struct colormap *cm;
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pcolor co;
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{
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struct colordesc *cd = &cm->cd[co];
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color pco, nco; /* for freelist scan */
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assert(co >= 0);
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if (co == WHITE)
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return;
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assert(cd->arcs == NULL);
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assert(cd->sub == NOSUB);
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assert(cd->nchrs == 0);
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cd->flags = FREECOL;
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if (cd->block != NULL) {
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FREE(cd->block);
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cd->block = NULL; /* just paranoia */
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}
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299 |
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if ((size_t)co == cm->max) {
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while (cm->max > WHITE && UNUSEDCOLOR(&cm->cd[cm->max]))
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cm->max--;
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assert(cm->free >= 0);
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while ((size_t)cm->free > cm->max)
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cm->free = cm->cd[cm->free].sub;
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if (cm->free > 0) {
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assert(cm->free < (signed int)cm->max);
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pco = cm->free;
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nco = cm->cd[pco].sub;
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while (nco > 0)
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if ((size_t)nco > cm->max) {
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/* take this one out of freelist */
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nco = cm->cd[nco].sub;
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cm->cd[pco].sub = nco;
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} else {
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316 |
assert(nco < (signed int)cm->max);
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pco = nco;
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nco = cm->cd[pco].sub;
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}
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}
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} else {
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cd->sub = cm->free;
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cm->free = (color)(cd - cm->cd);
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}
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}
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/*
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- pseudocolor - allocate a false color, to be managed by other means
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^ static color pseudocolor(struct colormap *);
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*/
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static color
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pseudocolor(cm)
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struct colormap *cm;
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{
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color co;
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co = newcolor(cm);
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if (CISERR())
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return COLORLESS;
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cm->cd[co].nchrs = 1;
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cm->cd[co].flags = PSEUDO;
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return co;
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}
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/*
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346 |
- subcolor - allocate a new subcolor (if necessary) to this chr
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^ static color subcolor(struct colormap *, pchr c);
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*/
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static color
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subcolor(cm, c)
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struct colormap *cm;
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pchr c;
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{
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354 |
color co; /* current color of c */
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color sco; /* new subcolor */
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co = GETCOLOR(cm, c);
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358 |
sco = newsub(cm, co);
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359 |
if (CISERR())
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360 |
return COLORLESS;
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361 |
assert(sco != COLORLESS);
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362 |
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363 |
if (co == sco) /* already in an open subcolor */
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364 |
return co; /* rest is redundant */
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365 |
cm->cd[co].nchrs--;
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366 |
cm->cd[sco].nchrs++;
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367 |
setcolor(cm, c, sco);
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368 |
return sco;
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369 |
}
|
370 |
|
371 |
/*
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372 |
- newsub - allocate a new subcolor (if necessary) for a color
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373 |
^ static color newsub(struct colormap *, pcolor);
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*/
|
375 |
static color
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376 |
newsub(cm, co)
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struct colormap *cm;
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378 |
pcolor co;
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{
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380 |
color sco; /* new subcolor */
|
381 |
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382 |
sco = cm->cd[co].sub;
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383 |
if (sco == NOSUB) { /* color has no open subcolor */
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384 |
if (cm->cd[co].nchrs == 1) /* optimization */
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385 |
return co;
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386 |
sco = newcolor(cm); /* must create subcolor */
|
387 |
if (sco == COLORLESS) {
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388 |
assert(CISERR());
|
389 |
return COLORLESS;
|
390 |
}
|
391 |
cm->cd[co].sub = sco;
|
392 |
cm->cd[sco].sub = sco; /* open subcolor points to self */
|
393 |
}
|
394 |
assert(sco != NOSUB);
|
395 |
|
396 |
return sco;
|
397 |
}
|
398 |
|
399 |
/*
|
400 |
- subrange - allocate new subcolors to this range of chrs, fill in arcs
|
401 |
^ static VOID subrange(struct vars *, pchr, pchr, struct state *,
|
402 |
^ struct state *);
|
403 |
*/
|
404 |
static VOID
|
405 |
subrange(v, from, to, lp, rp)
|
406 |
struct vars *v;
|
407 |
pchr from;
|
408 |
pchr to;
|
409 |
struct state *lp;
|
410 |
struct state *rp;
|
411 |
{
|
412 |
uchr uf;
|
413 |
int i;
|
414 |
|
415 |
assert(from <= to);
|
416 |
|
417 |
/* first, align "from" on a tree-block boundary */
|
418 |
uf = (uchr)from;
|
419 |
i = (int)( ((uf + BYTTAB-1) & (uchr)~BYTMASK) - uf );
|
420 |
for (; from <= to && i > 0; i--, from++)
|
421 |
newarc(v->nfa, PLAIN, subcolor(v->cm, from), lp, rp);
|
422 |
if (from > to) /* didn't reach a boundary */
|
423 |
return;
|
424 |
|
425 |
/* deal with whole blocks */
|
426 |
for (; to - from >= BYTTAB; from += BYTTAB)
|
427 |
subblock(v, from, lp, rp);
|
428 |
|
429 |
/* clean up any remaining partial table */
|
430 |
for (; from <= to; from++)
|
431 |
newarc(v->nfa, PLAIN, subcolor(v->cm, from), lp, rp);
|
432 |
}
|
433 |
|
434 |
/*
|
435 |
- subblock - allocate new subcolors for one tree block of chrs, fill in arcs
|
436 |
^ static VOID subblock(struct vars *, pchr, struct state *, struct state *);
|
437 |
*/
|
438 |
static VOID
|
439 |
subblock(v, start, lp, rp)
|
440 |
struct vars *v;
|
441 |
pchr start; /* first of BYTTAB chrs */
|
442 |
struct state *lp;
|
443 |
struct state *rp;
|
444 |
{
|
445 |
uchr uc = start;
|
446 |
struct colormap *cm = v->cm;
|
447 |
int shift;
|
448 |
int level;
|
449 |
int i;
|
450 |
int b;
|
451 |
union tree *t;
|
452 |
union tree *cb;
|
453 |
union tree *fillt;
|
454 |
union tree *lastt;
|
455 |
int previ;
|
456 |
int ndone;
|
457 |
color co;
|
458 |
color sco;
|
459 |
|
460 |
assert((uc % BYTTAB) == 0);
|
461 |
|
462 |
/* find its color block, making new pointer blocks as needed */
|
463 |
t = cm->tree;
|
464 |
fillt = NULL;
|
465 |
for (level = 0, shift = BYTBITS * (NBYTS - 1); shift > 0;
|
466 |
level++, shift -= BYTBITS) {
|
467 |
b = (uc >> shift) & BYTMASK;
|
468 |
lastt = t;
|
469 |
t = lastt->tptr[b];
|
470 |
assert(t != NULL);
|
471 |
fillt = &cm->tree[level+1];
|
472 |
if (t == fillt && shift > BYTBITS) { /* need new ptr block */
|
473 |
t = (union tree *)MALLOC(sizeof(struct ptrs));
|
474 |
if (t == NULL) {
|
475 |
CERR(REG_ESPACE);
|
476 |
return;
|
477 |
}
|
478 |
memcpy(VS(t->tptr), VS(fillt->tptr),
|
479 |
BYTTAB*sizeof(union tree *));
|
480 |
lastt->tptr[b] = t;
|
481 |
}
|
482 |
}
|
483 |
|
484 |
/* special cases: fill block or solid block */
|
485 |
co = t->tcolor[0];
|
486 |
cb = cm->cd[co].block;
|
487 |
if (t == fillt || t == cb) {
|
488 |
/* either way, we want a subcolor solid block */
|
489 |
sco = newsub(cm, co);
|
490 |
t = cm->cd[sco].block;
|
491 |
if (t == NULL) { /* must set it up */
|
492 |
t = (union tree *)MALLOC(sizeof(struct colors));
|
493 |
if (t == NULL) {
|
494 |
CERR(REG_ESPACE);
|
495 |
return;
|
496 |
}
|
497 |
for (i = 0; i < BYTTAB; i++)
|
498 |
t->tcolor[i] = sco;
|
499 |
cm->cd[sco].block = t;
|
500 |
}
|
501 |
/* find loop must have run at least once */
|
502 |
lastt->tptr[b] = t;
|
503 |
newarc(v->nfa, PLAIN, sco, lp, rp);
|
504 |
cm->cd[co].nchrs -= BYTTAB;
|
505 |
cm->cd[sco].nchrs += BYTTAB;
|
506 |
return;
|
507 |
}
|
508 |
|
509 |
/* general case, a mixed block to be altered */
|
510 |
i = 0;
|
511 |
while (i < BYTTAB) {
|
512 |
co = t->tcolor[i];
|
513 |
sco = newsub(cm, co);
|
514 |
newarc(v->nfa, PLAIN, sco, lp, rp);
|
515 |
previ = i;
|
516 |
do {
|
517 |
t->tcolor[i++] = sco;
|
518 |
} while (i < BYTTAB && t->tcolor[i] == co);
|
519 |
ndone = i - previ;
|
520 |
cm->cd[co].nchrs -= ndone;
|
521 |
cm->cd[sco].nchrs += ndone;
|
522 |
}
|
523 |
}
|
524 |
|
525 |
/*
|
526 |
- okcolors - promote subcolors to full colors
|
527 |
^ static VOID okcolors(struct nfa *, struct colormap *);
|
528 |
*/
|
529 |
static VOID
|
530 |
okcolors(nfa, cm)
|
531 |
struct nfa *nfa;
|
532 |
struct colormap *cm;
|
533 |
{
|
534 |
struct colordesc *cd;
|
535 |
struct colordesc *end = CDEND(cm);
|
536 |
struct colordesc *scd;
|
537 |
struct arc *a;
|
538 |
color co;
|
539 |
color sco;
|
540 |
|
541 |
for (cd = cm->cd, co = 0; cd < end; cd++, co++) {
|
542 |
sco = cd->sub;
|
543 |
if (UNUSEDCOLOR(cd) || sco == NOSUB) {
|
544 |
/* has no subcolor, no further action */
|
545 |
} else if (sco == co) {
|
546 |
/* is subcolor, let parent deal with it */
|
547 |
} else if (cd->nchrs == 0) {
|
548 |
/* parent empty, its arcs change color to subcolor */
|
549 |
cd->sub = NOSUB;
|
550 |
scd = &cm->cd[sco];
|
551 |
assert(scd->nchrs > 0);
|
552 |
assert(scd->sub == sco);
|
553 |
scd->sub = NOSUB;
|
554 |
while ((a = cd->arcs) != NULL) {
|
555 |
assert(a->co == co);
|
556 |
/* uncolorchain(cm, a); */
|
557 |
cd->arcs = a->colorchain;
|
558 |
a->co = sco;
|
559 |
/* colorchain(cm, a); */
|
560 |
a->colorchain = scd->arcs;
|
561 |
scd->arcs = a;
|
562 |
}
|
563 |
freecolor(cm, co);
|
564 |
} else {
|
565 |
/* parent's arcs must gain parallel subcolor arcs */
|
566 |
cd->sub = NOSUB;
|
567 |
scd = &cm->cd[sco];
|
568 |
assert(scd->nchrs > 0);
|
569 |
assert(scd->sub == sco);
|
570 |
scd->sub = NOSUB;
|
571 |
for (a = cd->arcs; a != NULL; a = a->colorchain) {
|
572 |
assert(a->co == co);
|
573 |
newarc(nfa, a->type, sco, a->from, a->to);
|
574 |
}
|
575 |
}
|
576 |
}
|
577 |
}
|
578 |
|
579 |
/*
|
580 |
- colorchain - add this arc to the color chain of its color
|
581 |
^ static VOID colorchain(struct colormap *, struct arc *);
|
582 |
*/
|
583 |
static VOID
|
584 |
colorchain(cm, a)
|
585 |
struct colormap *cm;
|
586 |
struct arc *a;
|
587 |
{
|
588 |
struct colordesc *cd = &cm->cd[a->co];
|
589 |
|
590 |
a->colorchain = cd->arcs;
|
591 |
cd->arcs = a;
|
592 |
}
|
593 |
|
594 |
/*
|
595 |
- uncolorchain - delete this arc from the color chain of its color
|
596 |
^ static VOID uncolorchain(struct colormap *, struct arc *);
|
597 |
*/
|
598 |
static VOID
|
599 |
uncolorchain(cm, a)
|
600 |
struct colormap *cm;
|
601 |
struct arc *a;
|
602 |
{
|
603 |
struct colordesc *cd = &cm->cd[a->co];
|
604 |
struct arc *aa;
|
605 |
|
606 |
aa = cd->arcs;
|
607 |
if (aa == a) /* easy case */
|
608 |
cd->arcs = a->colorchain;
|
609 |
else {
|
610 |
for (; aa != NULL && aa->colorchain != a; aa = aa->colorchain)
|
611 |
continue;
|
612 |
assert(aa != NULL);
|
613 |
aa->colorchain = a->colorchain;
|
614 |
}
|
615 |
a->colorchain = NULL; /* paranoia */
|
616 |
}
|
617 |
|
618 |
/*
|
619 |
- singleton - is this character in its own color?
|
620 |
^ static int singleton(struct colormap *, pchr c);
|
621 |
*/
|
622 |
static int /* predicate */
|
623 |
singleton(cm, c)
|
624 |
struct colormap *cm;
|
625 |
pchr c;
|
626 |
{
|
627 |
color co; /* color of c */
|
628 |
|
629 |
co = GETCOLOR(cm, c);
|
630 |
if (cm->cd[co].nchrs == 1 && cm->cd[co].sub == NOSUB)
|
631 |
return 1;
|
632 |
return 0;
|
633 |
}
|
634 |
|
635 |
/*
|
636 |
- rainbow - add arcs of all full colors (but one) between specified states
|
637 |
^ static VOID rainbow(struct nfa *, struct colormap *, int, pcolor,
|
638 |
^ struct state *, struct state *);
|
639 |
*/
|
640 |
static VOID
|
641 |
rainbow(nfa, cm, type, but, from, to)
|
642 |
struct nfa *nfa;
|
643 |
struct colormap *cm;
|
644 |
int type;
|
645 |
pcolor but; /* COLORLESS if no exceptions */
|
646 |
struct state *from;
|
647 |
struct state *to;
|
648 |
{
|
649 |
struct colordesc *cd;
|
650 |
struct colordesc *end = CDEND(cm);
|
651 |
color co;
|
652 |
|
653 |
for (cd = cm->cd, co = 0; cd < end && !CISERR(); cd++, co++)
|
654 |
if (!UNUSEDCOLOR(cd) && cd->sub != co && co != but &&
|
655 |
!(cd->flags&PSEUDO))
|
656 |
newarc(nfa, type, co, from, to);
|
657 |
}
|
658 |
|
659 |
/*
|
660 |
- colorcomplement - add arcs of complementary colors
|
661 |
* The calling sequence ought to be reconciled with cloneouts().
|
662 |
^ static VOID colorcomplement(struct nfa *, struct colormap *, int,
|
663 |
^ struct state *, struct state *, struct state *);
|
664 |
*/
|
665 |
static VOID
|
666 |
colorcomplement(nfa, cm, type, of, from, to)
|
667 |
struct nfa *nfa;
|
668 |
struct colormap *cm;
|
669 |
int type;
|
670 |
struct state *of; /* complements of this guy's PLAIN outarcs */
|
671 |
struct state *from;
|
672 |
struct state *to;
|
673 |
{
|
674 |
struct colordesc *cd;
|
675 |
struct colordesc *end = CDEND(cm);
|
676 |
color co;
|
677 |
|
678 |
assert(of != from);
|
679 |
for (cd = cm->cd, co = 0; cd < end && !CISERR(); cd++, co++)
|
680 |
if (!UNUSEDCOLOR(cd) && !(cd->flags&PSEUDO))
|
681 |
if (findarc(of, PLAIN, co) == NULL)
|
682 |
newarc(nfa, type, co, from, to);
|
683 |
}
|
684 |
|
685 |
|
686 |
|
687 |
#ifdef REG_DEBUG
|
688 |
/*
|
689 |
^ #ifdef REG_DEBUG
|
690 |
*/
|
691 |
|
692 |
/*
|
693 |
- dumpcolors - debugging output
|
694 |
^ static VOID dumpcolors(struct colormap *, FILE *);
|
695 |
*/
|
696 |
static VOID
|
697 |
dumpcolors(cm, f)
|
698 |
struct colormap *cm;
|
699 |
FILE *f;
|
700 |
{
|
701 |
struct colordesc *cd;
|
702 |
struct colordesc *end;
|
703 |
color co;
|
704 |
chr c;
|
705 |
char *has;
|
706 |
|
707 |
fprintf(f, "max %ld\n", (long)cm->max);
|
708 |
if (NBYTS > 1)
|
709 |
fillcheck(cm, cm->tree, 0, f);
|
710 |
end = CDEND(cm);
|
711 |
for (cd = cm->cd + 1, co = 1; cd < end; cd++, co++) /* skip 0 */
|
712 |
if (!UNUSEDCOLOR(cd)) {
|
713 |
assert(cd->nchrs > 0);
|
714 |
has = (cd->block != NULL) ? "#" : "";
|
715 |
if (cd->flags&PSEUDO)
|
716 |
fprintf(f, "#%2ld%s(ps): ", (long)co, has);
|
717 |
else
|
718 |
fprintf(f, "#%2ld%s(%2d): ", (long)co,
|
719 |
has, cd->nchrs);
|
720 |
/* it's hard to do this more efficiently */
|
721 |
for (c = CHR_MIN; c < CHR_MAX; c++)
|
722 |
if (GETCOLOR(cm, c) == co)
|
723 |
dumpchr(c, f);
|
724 |
assert(c == CHR_MAX);
|
725 |
if (GETCOLOR(cm, c) == co)
|
726 |
dumpchr(c, f);
|
727 |
fprintf(f, "\n");
|
728 |
}
|
729 |
}
|
730 |
|
731 |
/*
|
732 |
- fillcheck - check proper filling of a tree
|
733 |
^ static VOID fillcheck(struct colormap *, union tree *, int, FILE *);
|
734 |
*/
|
735 |
static VOID
|
736 |
fillcheck(cm, tree, level, f)
|
737 |
struct colormap *cm;
|
738 |
union tree *tree;
|
739 |
int level; /* level number (top == 0) of this block */
|
740 |
FILE *f;
|
741 |
{
|
742 |
int i;
|
743 |
union tree *t;
|
744 |
union tree *fillt = &cm->tree[level+1];
|
745 |
|
746 |
assert(level < NBYTS-1); /* this level has pointers */
|
747 |
for (i = BYTTAB-1; i >= 0; i--) {
|
748 |
t = tree->tptr[i];
|
749 |
if (t == NULL)
|
750 |
fprintf(f, "NULL found in filled tree!\n");
|
751 |
else if (t == fillt)
|
752 |
{}
|
753 |
else if (level < NBYTS-2) /* more pointer blocks below */
|
754 |
fillcheck(cm, t, level+1, f);
|
755 |
}
|
756 |
}
|
757 |
|
758 |
/*
|
759 |
- dumpchr - print a chr
|
760 |
* Kind of char-centric but works well enough for debug use.
|
761 |
^ static VOID dumpchr(pchr, FILE *);
|
762 |
*/
|
763 |
static VOID
|
764 |
dumpchr(c, f)
|
765 |
pchr c;
|
766 |
FILE *f;
|
767 |
{
|
768 |
if (c == '\\')
|
769 |
fprintf(f, "\\\\");
|
770 |
else if (c > ' ' && c <= '~')
|
771 |
putc((char)c, f);
|
772 |
else
|
773 |
fprintf(f, "\\u%04lx", (long)c);
|
774 |
}
|
775 |
|
776 |
/*
|
777 |
^ #endif
|
778 |
*/
|
779 |
#endif /* ifdef REG_DEBUG */
|
780 |
|
781 |
/* End of regc_color.c */
|