Tcl regex lib
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4094 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Ryan Norton
parent
af5ba963e7
commit
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780
src/regex/regc_color.c
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780
src/regex/regc_color.c
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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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* $Header$
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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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*/
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static void
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initcm(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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{
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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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*/
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static void
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freecm(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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{
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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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*/
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static void
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cmtreefree(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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{
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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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{
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if (level < NBYTS - 2)
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{ /* more pointer blocks below */
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cmtreefree(cm, t, level + 1);
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FREE(t);
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}
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else
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{ /* 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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*/
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static color /* previous color */
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setcolor(struct colormap * cm,
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chr 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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{
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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)
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{ /* 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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{
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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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*/
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static color
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maxcolor(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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*/
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static color /* COLORLESS for error */
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newcolor(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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{
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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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}
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else if (cm->max < cm->ncds - 1)
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{
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cm->max++;
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cd = &cm->cd[cm->max];
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}
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else
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{
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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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{
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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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}
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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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{
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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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*/
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static void
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freecolor(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,
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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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{
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FREE(cd->block);
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cd->block = NULL; /* just paranoia */
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}
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if ((size_t) co == cm->max)
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{
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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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{
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assert(cm->free < 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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{
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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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}
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else
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{
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assert(nco < 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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}
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else
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{
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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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*/
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static color
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pseudocolor(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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* subcolor - allocate a new subcolor (if necessary) to this chr
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*/
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static color
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subcolor(struct colormap * cm, chr c)
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{
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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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sco = newsub(cm, co);
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if (CISERR())
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return COLORLESS;
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assert(sco != COLORLESS);
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if (co == sco) /* already in an open subcolor */
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return co; /* rest is redundant */
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cm->cd[co].nchrs--;
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cm->cd[sco].nchrs++;
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setcolor(cm, c, sco);
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return sco;
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}
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/*
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* newsub - allocate a new subcolor (if necessary) for a color
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*/
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static color
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newsub(struct colormap * cm,
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pcolor co)
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{
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color sco; /* new subcolor */
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sco = cm->cd[co].sub;
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if (sco == NOSUB)
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{ /* color has no open subcolor */
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if (cm->cd[co].nchrs == 1) /* optimization */
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return co;
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sco = newcolor(cm); /* must create subcolor */
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if (sco == COLORLESS)
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{
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assert(CISERR());
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return COLORLESS;
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}
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cm->cd[co].sub = sco;
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cm->cd[sco].sub = sco; /* open subcolor points to self */
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}
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assert(sco != NOSUB);
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return sco;
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}
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/*
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* subrange - allocate new subcolors to this range of chrs, fill in arcs
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*/
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static void
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subrange(struct vars * v,
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chr from,
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chr to,
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struct state * lp,
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struct state * rp)
|
||||||
|
{
|
||||||
|
uchr uf;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
assert(from <= to);
|
||||||
|
|
||||||
|
/* first, align "from" on a tree-block boundary */
|
||||||
|
uf = (uchr) from;
|
||||||
|
i = (int) (((uf + BYTTAB - 1) & (uchr) ~BYTMASK) - uf);
|
||||||
|
for (; from <= to && i > 0; i--, from++)
|
||||||
|
newarc(v->nfa, PLAIN, subcolor(v->cm, from), lp, rp);
|
||||||
|
if (from > to) /* didn't reach a boundary */
|
||||||
|
return;
|
||||||
|
|
||||||
|
/* deal with whole blocks */
|
||||||
|
for (; to - from >= BYTTAB; from += BYTTAB)
|
||||||
|
subblock(v, from, lp, rp);
|
||||||
|
|
||||||
|
/* clean up any remaining partial table */
|
||||||
|
for (; from <= to; from++)
|
||||||
|
newarc(v->nfa, PLAIN, subcolor(v->cm, from), lp, rp);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* subblock - allocate new subcolors for one tree block of chrs, fill in arcs
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
subblock(struct vars * v,
|
||||||
|
chr start, /* first of BYTTAB chrs */
|
||||||
|
struct state * lp,
|
||||||
|
struct state * rp)
|
||||||
|
{
|
||||||
|
uchr uc = start;
|
||||||
|
struct colormap *cm = v->cm;
|
||||||
|
int shift;
|
||||||
|
int level;
|
||||||
|
int i;
|
||||||
|
int b;
|
||||||
|
union tree *t;
|
||||||
|
union tree *cb;
|
||||||
|
union tree *fillt;
|
||||||
|
union tree *lastt;
|
||||||
|
int previ;
|
||||||
|
int ndone;
|
||||||
|
color co;
|
||||||
|
color sco;
|
||||||
|
|
||||||
|
assert((uc % BYTTAB) == 0);
|
||||||
|
|
||||||
|
/* find its color block, making new pointer blocks as needed */
|
||||||
|
t = cm->tree;
|
||||||
|
fillt = NULL;
|
||||||
|
for (level = 0, shift = BYTBITS * (NBYTS - 1); shift > 0;
|
||||||
|
level++, shift -= BYTBITS)
|
||||||
|
{
|
||||||
|
b = (uc >> shift) & BYTMASK;
|
||||||
|
lastt = t;
|
||||||
|
t = lastt->tptr[b];
|
||||||
|
assert(t != NULL);
|
||||||
|
fillt = &cm->tree[level + 1];
|
||||||
|
if (t == fillt && shift > BYTBITS)
|
||||||
|
{ /* need new ptr block */
|
||||||
|
t = (union tree *) MALLOC(sizeof(struct ptrs));
|
||||||
|
if (t == NULL)
|
||||||
|
{
|
||||||
|
CERR(REG_ESPACE);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
memcpy(VS(t->tptr), VS(fillt->tptr),
|
||||||
|
BYTTAB * sizeof(union tree *));
|
||||||
|
lastt->tptr[b] = t;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* special cases: fill block or solid block */
|
||||||
|
co = t->tcolor[0];
|
||||||
|
cb = cm->cd[co].block;
|
||||||
|
if (t == fillt || t == cb)
|
||||||
|
{
|
||||||
|
/* either way, we want a subcolor solid block */
|
||||||
|
sco = newsub(cm, co);
|
||||||
|
t = cm->cd[sco].block;
|
||||||
|
if (t == NULL)
|
||||||
|
{ /* must set it up */
|
||||||
|
t = (union tree *) MALLOC(sizeof(struct colors));
|
||||||
|
if (t == NULL)
|
||||||
|
{
|
||||||
|
CERR(REG_ESPACE);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
for (i = 0; i < BYTTAB; i++)
|
||||||
|
t->tcolor[i] = sco;
|
||||||
|
cm->cd[sco].block = t;
|
||||||
|
}
|
||||||
|
/* find loop must have run at least once */
|
||||||
|
lastt->tptr[b] = t;
|
||||||
|
newarc(v->nfa, PLAIN, sco, lp, rp);
|
||||||
|
cm->cd[co].nchrs -= BYTTAB;
|
||||||
|
cm->cd[sco].nchrs += BYTTAB;
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* general case, a mixed block to be altered */
|
||||||
|
i = 0;
|
||||||
|
while (i < BYTTAB)
|
||||||
|
{
|
||||||
|
co = t->tcolor[i];
|
||||||
|
sco = newsub(cm, co);
|
||||||
|
newarc(v->nfa, PLAIN, sco, lp, rp);
|
||||||
|
previ = i;
|
||||||
|
do
|
||||||
|
{
|
||||||
|
t->tcolor[i++] = sco;
|
||||||
|
} while (i < BYTTAB && t->tcolor[i] == co);
|
||||||
|
ndone = i - previ;
|
||||||
|
cm->cd[co].nchrs -= ndone;
|
||||||
|
cm->cd[sco].nchrs += ndone;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* okcolors - promote subcolors to full colors
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
okcolors(struct nfa * nfa,
|
||||||
|
struct colormap * cm)
|
||||||
|
{
|
||||||
|
struct colordesc *cd;
|
||||||
|
struct colordesc *end = CDEND(cm);
|
||||||
|
struct colordesc *scd;
|
||||||
|
struct arc *a;
|
||||||
|
color co;
|
||||||
|
color sco;
|
||||||
|
|
||||||
|
for (cd = cm->cd, co = 0; cd < end; cd++, co++)
|
||||||
|
{
|
||||||
|
sco = cd->sub;
|
||||||
|
if (UNUSEDCOLOR(cd) || sco == NOSUB)
|
||||||
|
{
|
||||||
|
/* has no subcolor, no further action */
|
||||||
|
}
|
||||||
|
else if (sco == co)
|
||||||
|
{
|
||||||
|
/* is subcolor, let parent deal with it */
|
||||||
|
}
|
||||||
|
else if (cd->nchrs == 0)
|
||||||
|
{
|
||||||
|
/* parent empty, its arcs change color to subcolor */
|
||||||
|
cd->sub = NOSUB;
|
||||||
|
scd = &cm->cd[sco];
|
||||||
|
assert(scd->nchrs > 0);
|
||||||
|
assert(scd->sub == sco);
|
||||||
|
scd->sub = NOSUB;
|
||||||
|
while ((a = cd->arcs) != NULL)
|
||||||
|
{
|
||||||
|
assert(a->co == co);
|
||||||
|
/* uncolorchain(cm, a); */
|
||||||
|
cd->arcs = a->colorchain;
|
||||||
|
a->co = sco;
|
||||||
|
/* colorchain(cm, a); */
|
||||||
|
a->colorchain = scd->arcs;
|
||||||
|
scd->arcs = a;
|
||||||
|
}
|
||||||
|
freecolor(cm, co);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* parent's arcs must gain parallel subcolor arcs */
|
||||||
|
cd->sub = NOSUB;
|
||||||
|
scd = &cm->cd[sco];
|
||||||
|
assert(scd->nchrs > 0);
|
||||||
|
assert(scd->sub == sco);
|
||||||
|
scd->sub = NOSUB;
|
||||||
|
for (a = cd->arcs; a != NULL; a = a->colorchain)
|
||||||
|
{
|
||||||
|
assert(a->co == co);
|
||||||
|
newarc(nfa, a->type, sco, a->from, a->to);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* colorchain - add this arc to the color chain of its color
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
colorchain(struct colormap * cm,
|
||||||
|
struct arc * a)
|
||||||
|
{
|
||||||
|
struct colordesc *cd = &cm->cd[a->co];
|
||||||
|
|
||||||
|
a->colorchain = cd->arcs;
|
||||||
|
cd->arcs = a;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* uncolorchain - delete this arc from the color chain of its color
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
uncolorchain(struct colormap * cm,
|
||||||
|
struct arc * a)
|
||||||
|
{
|
||||||
|
struct colordesc *cd = &cm->cd[a->co];
|
||||||
|
struct arc *aa;
|
||||||
|
|
||||||
|
aa = cd->arcs;
|
||||||
|
if (aa == a) /* easy case */
|
||||||
|
cd->arcs = a->colorchain;
|
||||||
|
else
|
||||||
|
{
|
||||||
|
for (; aa != NULL && aa->colorchain != a; aa = aa->colorchain)
|
||||||
|
continue;
|
||||||
|
assert(aa != NULL);
|
||||||
|
aa->colorchain = a->colorchain;
|
||||||
|
}
|
||||||
|
a->colorchain = NULL; /* paranoia */
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* singleton - is this character in its own color?
|
||||||
|
*/
|
||||||
|
static int /* predicate */
|
||||||
|
singleton(struct colormap * cm,
|
||||||
|
chr c)
|
||||||
|
{
|
||||||
|
color co; /* color of c */
|
||||||
|
|
||||||
|
co = GETCOLOR(cm, c);
|
||||||
|
if (cm->cd[co].nchrs == 1 && cm->cd[co].sub == NOSUB)
|
||||||
|
return 1;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* rainbow - add arcs of all full colors (but one) between specified states
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
rainbow(struct nfa * nfa,
|
||||||
|
struct colormap * cm,
|
||||||
|
int type,
|
||||||
|
pcolor but, /* COLORLESS if no exceptions */
|
||||||
|
struct state * from,
|
||||||
|
struct state * to)
|
||||||
|
{
|
||||||
|
struct colordesc *cd;
|
||||||
|
struct colordesc *end = CDEND(cm);
|
||||||
|
color co;
|
||||||
|
|
||||||
|
for (cd = cm->cd, co = 0; cd < end && !CISERR(); cd++, co++)
|
||||||
|
if (!UNUSEDCOLOR(cd) && cd->sub != co && co != but &&
|
||||||
|
!(cd->flags & PSEUDO))
|
||||||
|
newarc(nfa, type, co, from, to);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* colorcomplement - add arcs of complementary colors
|
||||||
|
*
|
||||||
|
* The calling sequence ought to be reconciled with cloneouts().
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
colorcomplement(struct nfa * nfa,
|
||||||
|
struct colormap * cm,
|
||||||
|
int type,
|
||||||
|
struct state * of, /* complements of this guy's PLAIN
|
||||||
|
* outarcs */
|
||||||
|
struct state * from,
|
||||||
|
struct state * to)
|
||||||
|
{
|
||||||
|
struct colordesc *cd;
|
||||||
|
struct colordesc *end = CDEND(cm);
|
||||||
|
color co;
|
||||||
|
|
||||||
|
assert(of != from);
|
||||||
|
for (cd = cm->cd, co = 0; cd < end && !CISERR(); cd++, co++)
|
||||||
|
if (!UNUSEDCOLOR(cd) && !(cd->flags & PSEUDO))
|
||||||
|
if (findarc(of, PLAIN, co) == NULL)
|
||||||
|
newarc(nfa, type, co, from, to);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef REG_DEBUG
|
||||||
|
|
||||||
|
/*
|
||||||
|
* dumpcolors - debugging output
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
dumpcolors(struct colormap * cm,
|
||||||
|
FILE *f)
|
||||||
|
{
|
||||||
|
struct colordesc *cd;
|
||||||
|
struct colordesc *end;
|
||||||
|
color co;
|
||||||
|
chr c;
|
||||||
|
char *has;
|
||||||
|
|
||||||
|
fprintf(f, "max %ld\n", (long) cm->max);
|
||||||
|
if (NBYTS > 1)
|
||||||
|
fillcheck(cm, cm->tree, 0, f);
|
||||||
|
end = CDEND(cm);
|
||||||
|
for (cd = cm->cd + 1, co = 1; cd < end; cd++, co++) /* skip 0 */
|
||||||
|
if (!UNUSEDCOLOR(cd))
|
||||||
|
{
|
||||||
|
assert(cd->nchrs > 0);
|
||||||
|
has = (cd->block != NULL) ? "#" : "";
|
||||||
|
if (cd->flags & PSEUDO)
|
||||||
|
fprintf(f, "#%2ld%s(ps): ", (long) co, has);
|
||||||
|
else
|
||||||
|
fprintf(f, "#%2ld%s(%2d): ", (long) co,
|
||||||
|
has, cd->nchrs);
|
||||||
|
/* it's hard to do this more efficiently */
|
||||||
|
for (c = CHR_MIN; c < CHR_MAX; c++)
|
||||||
|
if (GETCOLOR(cm, c) == co)
|
||||||
|
dumpchr(c, f);
|
||||||
|
assert(c == CHR_MAX);
|
||||||
|
if (GETCOLOR(cm, c) == co)
|
||||||
|
dumpchr(c, f);
|
||||||
|
fprintf(f, "\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* fillcheck - check proper filling of a tree
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
fillcheck(struct colormap * cm,
|
||||||
|
union tree * tree,
|
||||||
|
int level, /* level number (top == 0) of this block */
|
||||||
|
FILE *f)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
union tree *t;
|
||||||
|
union tree *fillt = &cm->tree[level + 1];
|
||||||
|
|
||||||
|
assert(level < NBYTS - 1); /* this level has pointers */
|
||||||
|
for (i = BYTTAB - 1; i >= 0; i--)
|
||||||
|
{
|
||||||
|
t = tree->tptr[i];
|
||||||
|
if (t == NULL)
|
||||||
|
fprintf(f, "NULL found in filled tree!\n");
|
||||||
|
else if (t == fillt)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
else if (level < NBYTS - 2) /* more pointer blocks below */
|
||||||
|
fillcheck(cm, t, level + 1, f);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* dumpchr - print a chr
|
||||||
|
*
|
||||||
|
* Kind of char-centric but works well enough for debug use.
|
||||||
|
*/
|
||||||
|
static void
|
||||||
|
dumpchr(chr c,
|
||||||
|
FILE *f)
|
||||||
|
{
|
||||||
|
if (c == '\\')
|
||||||
|
fprintf(f, "\\\\");
|
||||||
|
else if (c > ' ' && c <= '~')
|
||||||
|
putc((char) c, f);
|
||||||
|
else
|
||||||
|
fprintf(f, "\\u%04lx", (long) c);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* REG_DEBUG */
|
||||||
@ -1,74 +1,202 @@
|
|||||||
#ifndef _REGEX_H_
|
#ifndef _REGEX_H_
|
||||||
#define _REGEX_H_ /* never again */
|
#define _REGEX_H_ /* never again */
|
||||||
/* ========= begin header generated by ./mkh ========= */
|
/*
|
||||||
|
* regular expressions
|
||||||
|
*
|
||||||
|
* Copyright (c) 1998, 1999 Henry Spencer. All rights reserved.
|
||||||
|
*
|
||||||
|
* Development of this software was funded, in part, by Cray Research Inc.,
|
||||||
|
* UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics
|
||||||
|
* Corporation, none of whom are responsible for the results. The author
|
||||||
|
* thanks all of them.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms -- with or without
|
||||||
|
* modification -- are permitted for any purpose, provided that
|
||||||
|
* redistributions in source form retain this entire copyright notice and
|
||||||
|
* indicate the origin and nature of any modifications.
|
||||||
|
*
|
||||||
|
* I'd appreciate being given credit for this package in the documentation
|
||||||
|
* of software which uses it, but that is not a requirement.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||||
|
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||||
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
||||||
|
* HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||||
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||||
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||||||
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||||
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||||
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||||||
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* $Id$
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Add your own defines, if needed, here.
|
||||||
|
*/
|
||||||
#ifdef __cplusplus
|
#ifdef __cplusplus
|
||||||
extern "C" {
|
extern "C" {
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* === regex2.h === */
|
#include <sys/types.h>
|
||||||
typedef off_t regoff_t;
|
#include <stdio.h>
|
||||||
typedef struct {
|
#include <stdlib.h>
|
||||||
int re_magic;
|
|
||||||
size_t re_nsub; /* number of parenthesized subexpressions */
|
#ifndef wxCHECK_GCC_VERSION
|
||||||
const char *re_endp; /* end pointer for REG_PEND */
|
#define wxCHECK_GCC_VERSION( major, minor ) \
|
||||||
struct re_guts *re_g; /* none of your business :-) */
|
( defined(__GNUC__) && defined(__GNUC_MINOR__) \
|
||||||
|
&& ( ( __GNUC__ > (major) ) \
|
||||||
|
|| ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if !wxUSE_UNICODE
|
||||||
|
# define wx_wchar char
|
||||||
|
#else // Unicode
|
||||||
|
#if (defined(__GNUC__) && !wxCHECK_GCC_VERSION(2, 96))
|
||||||
|
# define wx_wchar __WCHAR_TYPE__
|
||||||
|
#else // __WCHAR_TYPE__ and gcc < 2.96
|
||||||
|
// standard case
|
||||||
|
# define wx_wchar wchar_t
|
||||||
|
#endif // __WCHAR_TYPE__
|
||||||
|
#endif // ASCII/Unicode
|
||||||
|
|
||||||
|
/*
|
||||||
|
* interface types etc.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* regoff_t has to be large enough to hold either off_t or ssize_t,
|
||||||
|
* and must be signed; it's only a guess that long is suitable.
|
||||||
|
*/
|
||||||
|
typedef long regoff_t;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* other interface types
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* the biggie, a compiled RE (or rather, a front end to same) */
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
int re_magic; /* magic number */
|
||||||
|
size_t re_nsub; /* number of subexpressions */
|
||||||
|
long re_info; /* information about RE */
|
||||||
|
#define REG_UBACKREF 000001
|
||||||
|
#define REG_ULOOKAHEAD 000002
|
||||||
|
#define REG_UBOUNDS 000004
|
||||||
|
#define REG_UBRACES 000010
|
||||||
|
#define REG_UBSALNUM 000020
|
||||||
|
#define REG_UPBOTCH 000040
|
||||||
|
#define REG_UBBS 000100
|
||||||
|
#define REG_UNONPOSIX 000200
|
||||||
|
#define REG_UUNSPEC 000400
|
||||||
|
#define REG_UUNPORT 001000
|
||||||
|
#define REG_ULOCALE 002000
|
||||||
|
#define REG_UEMPTYMATCH 004000
|
||||||
|
#define REG_UIMPOSSIBLE 010000
|
||||||
|
#define REG_USHORTEST 020000
|
||||||
|
int re_csize; /* sizeof(character) */
|
||||||
|
char *re_endp; /* backward compatibility kludge */
|
||||||
|
/* the rest is opaque pointers to hidden innards */
|
||||||
|
char *re_guts; /* `char *' is more portable than `void *' */
|
||||||
|
char *re_fns;
|
||||||
} regex_t;
|
} regex_t;
|
||||||
typedef struct {
|
|
||||||
regoff_t rm_so; /* start of match */
|
/* result reporting (may acquire more fields later) */
|
||||||
regoff_t rm_eo; /* end of match */
|
typedef struct
|
||||||
|
{
|
||||||
|
regoff_t rm_so; /* start of substring */
|
||||||
|
regoff_t rm_eo; /* end of substring */
|
||||||
} regmatch_t;
|
} regmatch_t;
|
||||||
|
|
||||||
|
/* supplementary control and reporting */
|
||||||
/* === regcomp.c === */
|
typedef struct
|
||||||
extern int regcomp(regex_t *, const char *, int);
|
{
|
||||||
#define REG_BASIC 0000
|
regmatch_t rm_extend; /* see REG_EXPECT */
|
||||||
#define REG_EXTENDED 0001
|
} rm_detail_t;
|
||||||
#define REG_ICASE 0002
|
|
||||||
#define REG_NOSUB 0004
|
|
||||||
#define REG_NEWLINE 0010
|
|
||||||
#define REG_NOSPEC 0020
|
|
||||||
#define REG_PEND 0040
|
|
||||||
#define REG_DUMP 0200
|
|
||||||
|
|
||||||
|
|
||||||
/* === regerror.c === */
|
|
||||||
#define REG_OKAY 0
|
/*
|
||||||
#define REG_NOMATCH 1
|
* regex compilation flags
|
||||||
#define REG_BADPAT 2
|
*/
|
||||||
#define REG_ECOLLATE 3
|
#define REG_BASIC 000000 /* BREs (convenience) */
|
||||||
#define REG_ECTYPE 4
|
#define REG_EXTENDED 000001 /* EREs */
|
||||||
#define REG_EESCAPE 5
|
#define REG_ADVF 000002 /* advanced features in EREs */
|
||||||
#define REG_ESUBREG 6
|
#define REG_ADVANCED 000003 /* AREs (which are also EREs) */
|
||||||
#define REG_EBRACK 7
|
#define REG_QUOTE 000004 /* no special characters, none */
|
||||||
#define REG_EPAREN 8
|
#define REG_NOSPEC REG_QUOTE /* historical synonym */
|
||||||
#define REG_EBRACE 9
|
#define REG_ICASE 000010 /* ignore case */
|
||||||
#define REG_BADBR 10
|
#define REG_NOSUB 000020 /* don't care about subexpressions */
|
||||||
#define REG_ERANGE 11
|
#define REG_EXPANDED 000040 /* expanded format, white space & comments */
|
||||||
#define REG_ESPACE 12
|
#define REG_NLSTOP 000100 /* \n doesn't match . or [^ ] */
|
||||||
#define REG_BADRPT 13
|
#define REG_NLANCH 000200 /* ^ matches after \n, $ before */
|
||||||
#define REG_EMPTY 14
|
#define REG_NEWLINE 000300 /* newlines are line terminators */
|
||||||
#define REG_ASSERT 15
|
#define REG_PEND 000400 /* ugh -- backward-compatibility hack */
|
||||||
#define REG_INVARG 16
|
#define REG_EXPECT 001000 /* report details on partial/limited
|
||||||
#define REG_ATOI 255 /* convert name to number (!) */
|
* matches */
|
||||||
#define REG_ITOA 0400 /* convert number to name (!) */
|
#define REG_BOSONLY 002000 /* temporary kludge for BOS-only matches */
|
||||||
extern size_t regerror(int, const regex_t *, char *, size_t);
|
#define REG_DUMP 004000 /* none of your business :-) */
|
||||||
|
#define REG_FAKE 010000 /* none of your business :-) */
|
||||||
|
#define REG_PROGRESS 020000 /* none of your business :-) */
|
||||||
|
|
||||||
|
|
||||||
/* === regexec.c === */
|
|
||||||
extern int regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
|
/*
|
||||||
#define REG_NOTBOL 00001
|
* regex execution flags
|
||||||
#define REG_NOTEOL 00002
|
*/
|
||||||
#define REG_STARTEND 00004
|
#define REG_NOTBOL 0001 /* BOS is not BOL */
|
||||||
#define REG_TRACE 00400 /* tracing of execution */
|
#define REG_NOTEOL 0002 /* EOS is not EOL */
|
||||||
#define REG_LARGE 01000 /* force large representation */
|
#define REG_STARTEND 0004 /* backward compatibility kludge */
|
||||||
#define REG_BACKR 02000 /* force use of backref code */
|
#define REG_FTRACE 0010 /* none of your business */
|
||||||
|
#define REG_MTRACE 0020 /* none of your business */
|
||||||
|
#define REG_SMALL 0040 /* none of your business */
|
||||||
|
|
||||||
|
|
||||||
/* === regfree.c === */
|
/*
|
||||||
|
* error reporting
|
||||||
|
* Be careful if modifying the list of error codes -- the table used by
|
||||||
|
* regerror() is generated automatically from this file!
|
||||||
|
*/
|
||||||
|
#define REG_OKAY 0 /* no errors detected */
|
||||||
|
#define REG_NOMATCH 1 /* failed to match */
|
||||||
|
#define REG_BADPAT 2 /* invalid regexp */
|
||||||
|
#define REG_ECOLLATE 3 /* invalid collating element */
|
||||||
|
#define REG_ECTYPE 4 /* invalid character class */
|
||||||
|
#define REG_EESCAPE 5 /* invalid escape \ sequence */
|
||||||
|
#define REG_ESUBREG 6 /* invalid backreference number */
|
||||||
|
#define REG_EBRACK 7 /* brackets [] not balanced */
|
||||||
|
#define REG_EPAREN 8 /* parentheses () not balanced */
|
||||||
|
#define REG_EBRACE 9 /* braces {} not balanced */
|
||||||
|
#define REG_BADBR 10 /* invalid repetition count(s) */
|
||||||
|
#define REG_ERANGE 11 /* invalid character range */
|
||||||
|
#define REG_ESPACE 12 /* out of memory */
|
||||||
|
#define REG_BADRPT 13 /* quantifier operand invalid */
|
||||||
|
#define REG_ASSERT 15 /* "can't happen" -- you found a bug */
|
||||||
|
#define REG_INVARG 16 /* invalid argument to regex function */
|
||||||
|
#define REG_MIXED 17 /* character widths of regex and string
|
||||||
|
* differ */
|
||||||
|
#define REG_BADOPT 18 /* invalid embedded option */
|
||||||
|
/* two specials for debugging and testing */
|
||||||
|
#define REG_ATOI 101 /* convert error-code name to number */
|
||||||
|
#define REG_ITOA 102 /* convert error-code number to name */
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* the prototypes for exported functions
|
||||||
|
*/
|
||||||
|
extern int wx_regcomp(regex_t *, const wx_wchar *, size_t, int);
|
||||||
|
extern int regcomp(regex_t *, const wx_wchar *, int);
|
||||||
|
extern int wx_regexec(regex_t *, const wx_wchar *, size_t, rm_detail_t *, size_t, regmatch_t[], int);
|
||||||
|
extern int regexec(regex_t *, const wx_wchar *, size_t, regmatch_t[], int);
|
||||||
extern void regfree(regex_t *);
|
extern void regfree(regex_t *);
|
||||||
|
extern size_t regerror(int, const regex_t *, char *, size_t);
|
||||||
|
extern void wx_regfree(regex_t *);
|
||||||
|
extern size_t wx_regerror(int, const regex_t *, char *, size_t);
|
||||||
|
|
||||||
#ifdef __cplusplus
|
#ifdef __cplusplus
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
/* ========= end header generated by ./mkh ========= */
|
|
||||||
#endif
|
#endif /* _REGEX_H_ */
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user