X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?a=blobdiff_plain;f=pctb%2Focr.c;fp=pctb%2Focr.c;h=0000000000000000000000000000000000000000;hb=c68fb80a6bbf7acbcac4b2cb2143f5fea745cd2b;hp=92b09031c5c53ccde0029c0b7a26343db68645c6;hpb=b9cce976550d000f15e5a8f2b690740bdae1e468;p=ypp-sc-tools.db-live.git

diff --git a/pctb/ocr.c b/pctb/ocr.c
deleted file mode 100644
index 92b0903..0000000
--- a/pctb/ocr.c
+++ /dev/null
@@ -1,730 +0,0 @@
-/*
- * Core OCR algorithm (first exact bitmap match)
- */
-/*
- *  This is part of ypp-sc-tools, a set of third-party tools for assisting
- *  players of Yohoho Puzzle Pirates.
- * 
- *  Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
- * 
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- * 
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- * 
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
- *  Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
- *  are used without permission.  This program is not endorsed or
- *  sponsored by Three Rings.
- */
-
-#include "ocr.h"
-#include "convert.h"
-
-typedef struct {
-  Pixcol col;
-  struct DatabaseNode *then;
-} DatabaseLink;
-
-typedef struct DatabaseNode {
-  char *str;
-  int nlinks, alinks;
-  unsigned match:1, defined:1, endsword:1, local:1;
-  DatabaseLink *links;
-} DatabaseNode;
-
-typedef struct {
-  OcrReader *rd;
-  OcrCellType ct;
-  int w;
-  const Pixcol *cols;
-  int x;
-  unsigned ctxmap;
-} FindCharArgs;
-typedef struct {
-  DatabaseNode *match;
-  int rx;
-} FindCharResults;
-
-#define FOR_EACH_CONTEXT(EACH)			\
-  EACH(Word)					\
-  EACH(Lower)					\
-  EACH(Upper)					\
-  EACH(Digit)
-
-#define FEC_ENUM(Context) ct_##Context,
-#define FEC_BIT(Context) ctf_##Context = 1 << ct_##Context,
-enum {
-  FOR_EACH_CONTEXT(FEC_ENUM)
-  FOR_EACH_CONTEXT(FEC_BIT)
-};
-
-#define FEC_STRINGS(Context) #Context,
-static const char *context_names[]= { FOR_EACH_CONTEXT(FEC_STRINGS) };
-
-struct OcrCellTypeInfo {
-  /* bitmaps of indices into context_names: */
-  unsigned initial, nextword, midword;
-  int space_spaces;
-  const char *name;
-  int (*findchar_select)(const FindCharArgs *fca,
-			 const FindCharResults results[]);
-};
-
-#define NCONTEXTS (sizeof(context_names)/sizeof(context_names[0]))
-
-struct OcrReader {
-  int h;
-  DatabaseNode contexts[NCONTEXTS];
-  char *result;
-  int lresult, aresult;
-  OcrResultGlyph *results;
-  int aresults, nresults;
-};
-
-DEBUG_DEFINE_DEBUGF(ocr)
-
-#define FGETSLINE (dbfile_getsline(lbuf,sizeof(lbuf),__FILE__,__LINE__))
-
-static void cleardb_node(DatabaseNode *n) {
-  int i;
-  free(n->str); n->str=0;
-  n->defined=n->match=n->endsword= 0;
-  for (i=0; i<n->nlinks; i++)
-    cleardb_node(n->links[i].then);
-}
-
-static void readdb1(OcrReader *rd, const char *which, int local);
-
-static void readdb(OcrReader *rd) {
-  int ctxi;
-  
-  for (ctxi=0; ctxi<NCONTEXTS; ctxi++)
-    cleardb_node(&rd->contexts[ctxi]);
-
-  readdb1(rd, "master", 0);
-  readdb1(rd, "local",  1);
-}
-
-static void readdb1(OcrReader *rd, const char *which, int local) {
-  int nchrs;
-  DatabaseNode *current, *additional;
-  char chrs[100];
-  Pixcol cv;
-  int j,ctxi;
-  int h, endsword;
-  char lbuf[100];
-
-  char *dbfname= masprintf("%s/_%s-char%d.txt",
-			   get_vardir(), which, rd->h);
-  
-  if (!dbfile_open(dbfname))
-    goto x;
-
-  if (local)
-    o_flags |= ff_charset_havelocal;
-
-  FGETSLINE;
-  dbassert(!strcmp(lbuf,"# ypp-sc-tools pctb font v3 depth=" STRING(AADEPTH)));
-
-  dbassert( dbfile_scanf("%d", &h) == 1);
-  dbassert(h==rd->h);
-
-  for (;;) {
-    FGETSLINE;
-    if (!lbuf[0] || lbuf[0]=='#') continue;
-    if (!strcmp(lbuf,".")) break;
-
-    for (ctxi=0; ctxi<NCONTEXTS; ctxi++)
-      if (!strcmp(lbuf,context_names[ctxi]))
-	goto found_ctx;
-    /* not found, just skip */
-    for (;;) { FGETSLINE; if (!lbuf[0]) break; }
-    continue;
-
-  found_ctx:
-    for (nchrs=0;;) {
-      int c= fgetc(dbfile); sysassert(!ferror(dbfile)); dbassert(c!=EOF);
-      if (c=='\n') break; /* forces no match */
-      dbassert(nchrs<sizeof(chrs));
-      chrs[nchrs++]= c;
-    }
-    endsword= 0;
-    if (nchrs>0 && chrs[nchrs-1]==' ') {
-      endsword= 1;
-      nchrs--;
-    }
-
-    current= &rd->contexts[ctxi];
-    for (;;) {
-      FGETSLINE;
-      if (!lbuf[0]) { dbassert(current != &rd->contexts[ctxi]); break; }
-      dbassert( strlen(lbuf) == rd->h );
-      FILLZERO(cv);
-      int y;
-      for (y=0; y<h; y++) {
-	char pb[2];
-	pb[0]= lbuf[y];
-	pb[1]= 0;
-	char *ep;
-	unsigned pv= strtoul(pb,&ep,16);  dbassert(!*ep);
-	pixcol_p_add(&cv, y, pv);
-      }
-      
-      for (j=0; j<current->nlinks; j++)
-	if (!pixcol_cmp(&cv, &current->links[j].col)) {
-	  current= current->links[j].then;
-	  goto found_link;
-	}
-
-      additional= mmalloc(sizeof(*additional));
-      additional->str= 0;
-      additional->defined= 0;
-      additional->match= 0;
-      additional->endsword= 0;
-      additional->nlinks= additional->alinks= 0;
-      additional->links= 0;
-      if (current->nlinks==current->alinks) {
-	current->alinks++;
-	current->alinks<<=1;
-	current->links= mrealloc(current->links,
-				 sizeof(*current->links) * current->alinks);
-      }
-      current->links[current->nlinks].col= cv;
-      current->links[current->nlinks].then= additional;
-      current->nlinks++;
-      current= additional;
-
-    found_link:;
-    }
-
-    if (!current->defined) {
-      free(current->str);
-      current->str= 0;
-      current->defined= 1;
-      current->match= 0;
-      current->local= local;
-
-      if (nchrs) {
-	current->str= mmalloc(nchrs+1);
-	memcpy(current->str, chrs, nchrs);
-	current->str[nchrs]= 0;
-	current->match= 1;
-	current->endsword= endsword;
-      }
-    }
-  }
- x:
-  dbfile_close();
-  free(dbfname);
-}
-
-typedef struct Rejection Rejection;
-struct Rejection {
-  struct Rejection *next;
-  const char *fname;
-  int lno;
-  pcre *re;
-};
-
-Rejection *rejections;
-
-static void load_rejections(const char *which) {
-  char lbuf[1000];
-  char *fname= masprintf("%s/_%s-reject.txt", get_vardir(), which);
-  int c, lno=0;
-  Rejection *rej;
-  
-  if (!dbfile_open(fname)) { free(fname); return; }
-  
-  while ((c= fgetc(dbfile))!=EOF) {
-    ungetc(c,dbfile);
-    lno++;
-    dbfile_getsline(lbuf,sizeof(lbuf),fname,lno);
-
-    if (!lbuf[0] || isspace(lbuf[0] || lbuf[0]=='#'))
-      continue;
-
-    rej= mmalloc(sizeof(*rej));
-    rej->next= rejections;
-    rej->fname= fname;
-    rej->lno= lno;
-
-    const char *err;
-    int erroffset;
-    rej->re= pcre_compile(lbuf, PCRE_NO_AUTO_CAPTURE|PCRE_UTF8,
-			  &err, &erroffset, 0);
-    if (!rej->re) {
-      char *what= masprintf("invalid regexp at offset %d: %s\n",
-			    erroffset, err);
-      dbfile_assertfail(fname, lno, what);
-    }
-    debugf("OCR LOADED REJECTION %s:%d `%s' %p\n", fname,lno, lbuf, rej->re);
-
-    rejections= rej;
-  }
-  sysassert(feof(dbfile));
-  dbfile_close();
-}
-  
-static int should_reject(OcrReader *rd) {
-  static int rejections_loaded;
-  int ovector[30];
-
-  if (!rejections_loaded) {
-    fetch_with_rsync("reject");
-    load_rejections("master");
-    load_rejections("local");
-    rejections_loaded=1;
-  }
-
-  debugf("[OCR REJECTION `%s'%d", rd->result, rd->lresult);
-  Rejection *rej;
-  for (rej=rejections; rej; rej=rej->next) {
-    debugf(" (%p)", rej);
-
-    int res= pcre_exec(rej->re, 0, rd->result,rd->lresult, 0,
-		       0, ovector, ARRAYSIZE(ovector));
-    if (res==PCRE_ERROR_NOMATCH) continue;
-    sysassert(res>0);
-
-    debugf(" MATCH]\n");
-    fprintf(stderr,"Rejecting OCR result `%s' (due to %s:%d)\n",
-	    rd->result, rej->fname,rej->lno);
-    return 1;
-  }
-  debugf(" OK]");
-  return 0;
-}
-
-static void cu_pr_ctxmap(FILE *resolver, unsigned ctxmap) {
-  fprintf(resolver,"{");
-  const char *spc="";
-  int ctxi;
-  for (ctxi=0; ctxi<NCONTEXTS; ctxi++) {
-    if (!(ctxmap & (1u << ctxi))) continue;
-    fprintf(resolver,"%s%s",spc,context_names[ctxi]);
-    spc=" ";
-  }
-  fprintf(resolver,"}");
-}
-
-static void callout_unknown(OcrReader *rd, int w, const Pixcol cols[],
-			    int unk_l, int unk_r, unsigned unk_ctxmap) {
-  int c,i, x,y;
-  const OcrResultGlyph *s;
-  const char *p;
-
-  FILE *resolver= resolve_start();
-  if (!resolver ||
-      !((o_flags & ff_charset_edit) ||
-	((o_flags & ff_charset_allowedit) &&
-	 (o_flags & ff_charset_havelocal))))
-    fatal("OCR failed - unrecognised characters or ligatures.\n"
-	  "Character set database needs to be updated or augmented.\n"
-	  "See README.charset.\n");
-  
-  fprintf(resolver,
-	  "char\n"
-	  "%d %d ",unk_l,unk_r);
-  cu_pr_ctxmap(resolver,unk_ctxmap);
-  for (i=0, s=rd->results; i<rd->nresults; i++, s++) {
-    if (!strcmp(s->s," ")) continue;
-    fprintf(resolver," %d %d ",s->l,s->r);
-    cu_pr_ctxmap(resolver, 1u << s->match);
-    fprintf(resolver," ");
-    cu_pr_ctxmap(resolver, s->ctxmap);
-    fprintf(resolver," ");
-    for (p=s->s; (c= *p); p++) {
-      if (c=='\\') fprintf(resolver,"\\%c",c);
-      else if (c>=33 && c<=126) fputc(c,resolver);
-      else fprintf(resolver,"\\x%02x",(unsigned char)c);
-    }
-  }
-  fputc('\n',resolver);
-
-  fprintf(resolver,
-	  "P2\n%d %d %d\n", w, rd->h, AAMAXVAL);
-  for (y=0; y<rd->h; y++) {
-    for (x=0; x<w; x++)
-      fprintf(resolver, " %d", pixcol_p_get(&cols[x], y));
-    fputc('\n',resolver);
-  }
-
-  resolve_finish();
-  readdb(rd);
-}
-
-static void add_result(OcrReader *rd, const char *s, int l, int r,
-		       int match, unsigned ctxmap) {
-  if (rd->nresults >= rd->aresults) {
-    rd->aresults++; rd->aresults<<=1;
-    rd->results= mrealloc(rd->results, sizeof(*rd->results)*rd->aresults);
-  }
-  rd->results[rd->nresults].s= s;
-  rd->results[rd->nresults].l= l;
-  rd->results[rd->nresults].r= r;
-  rd->results[rd->nresults].match= match;
-  rd->results[rd->nresults].ctxmap= ctxmap;
-  rd->nresults++;
-
-  if (!s) return; /* just the sentinel for the caller */
-
-  int sl= strlen(s);
-  int newlresult= rd->lresult + sl;
-  if (newlresult >= rd->aresult) {
-    rd->aresult= (newlresult << 1) + 1;
-    rd->result= mrealloc(rd->result, rd->aresult);
-  }
-  memcpy(rd->result + rd->lresult, s, sl);
-  rd->lresult= newlresult;
-  rd->result[rd->lresult]= 0;
-}
-
-
-static DatabaseNode *findchar_1ctx(const FindCharArgs *fca,
-				   DatabaseNode *start, int *matchx_r) {
-  DatabaseNode *current= start;
-  DatabaseNode *bestmatch= 0;
-  int i;
-  int x= fca->x;
-
-  for (;;) {
-    if (DEBUGP(ocr)) debug_flush();
-    debugf(" | x=%d",x);
-    if (x > fca->w) break;
-    Pixcol cv= fca->cols[x];
-    debugf(" cv="PIXCOL_PRFMT, PIXCOL_PRVAL(cv));
-    for (i=0; i<current->nlinks; i++)
-      if (!pixcol_cmp(&cv, &current->links[i].col))
-	goto found;
-    /* not found */
-    debugf(" ?");
-    break;
-
-  found:
-    current= current->links[i].then;
-    if (current->match) {
-      debugf(" \"%s\"%s",current->str,current->endsword?"_":"");
-      bestmatch= current;
-      *matchx_r= x;
-    } else {
-      debugf(" ...");
-    }
-
-    x++;
-  }
-  return bestmatch;
-}  
-
-static DatabaseNode *findchar(const FindCharArgs *fca,
-			      int *match_rx, int *match_rctxi) {
-  FindCharResults results[NCONTEXTS];
-  int ctxi, match=-1, nmatches=0;
-
-  debugf("OCR  lx=%d ct_state=%x  ", fca->x, fca->ctxmap);
-  for (ctxi=0; ctxi<NCONTEXTS; ctxi++) {
-    results[ctxi].match= 0;
-    if (!(fca->ctxmap & (1u << ctxi))) continue;
-    debugf(" || %s",context_names[ctxi]);
-
-    results[ctxi].match= findchar_1ctx(fca, &fca->rd->contexts[ctxi],
-				       &results[ctxi].rx);
-    if (!results[ctxi].match) continue;
-
-    match= ctxi;
-    nmatches++;
-  }
-  if (nmatches==1) {
-    debugf(" unique");
-  } else {
-    debugf(" ambiguous");
-    match= !fca->ct->findchar_select ? -1 :
-      fca->ct->findchar_select(fca,results);
-    debugf(" resolved %s", match<0 ? "<none>" : context_names[match]);
-  }
-  if (match<0)
-    return 0;
-  
-  *match_rx= results[match].rx;
-  if (match_rctxi) *match_rctxi= match;
-  return results[match].match;
-}
-
-static int findchar_select_text(const FindCharArgs *fca,
-				const FindCharResults results[]) {
-  
-  dbassert(! results[ct_Digit].match ); /* digits are supposedly unambiguous */
-
-  switch (fca->ctxmap) {
-
-#define RETURN_IF_LONGER(this,that) do{			\
-    if (results[ct_##this].rx > results[ct_##that].rx)	\
-       return ct_##this;				\
-  }while(0)
-
-  case ctf_Digit | ctf_Upper | ctf_Lower | ctf_Word:
-    /* Start of word.  Prefer Word match; failing that, take the longest */
-    if (results[ct_Word].match) return ct_Word;
-    RETURN_IF_LONGER(Lower,Upper);
-    RETURN_IF_LONGER(Upper,Lower);
-    break;
-
-  case ctf_Digit | ctf_Upper | ctf_Lower:
-    /* Mid-word.  Prefer longer match; failing that, match lower. */
-    RETURN_IF_LONGER(Upper,Lower);
-    return ct_Lower;
-  }
-
-  /* oh well */
-  return -1;
-}
-
-const struct OcrCellTypeInfo ocr_celltype_number= {
-  ctf_Digit, ctf_Digit, ctf_Digit,
-  .space_spaces= 5,
-  .name= "number",
-  .findchar_select= 0
-};
-const struct OcrCellTypeInfo ocr_celltype_text= {
-  .initial=  ctf_Digit | ctf_Upper,
-  .nextword= ctf_Digit | ctf_Upper | ctf_Lower | ctf_Word,
-  .midword=  ctf_Digit | ctf_Upper | ctf_Lower,
-  .space_spaces= 4,
-  .name= "text",
-  .findchar_select= findchar_select_text
-};
-
-
-const char *ocr_celltype_name(OcrCellType ct) { return ct->name; }
-
-OcrResultGlyph *ocr(OcrReader *rd, OcrCellType ct, int w,
-		    const Pixcol cols[]) {
-  int nspaces;
-  int x;
-
-  FindCharArgs fca;
-  fca.rd= rd;
-  fca.ct= ct;
-  fca.w= w;
-  fca.cols= cols;
-  fca.x= -1;
-
- restart:
-
-  nspaces=- w;
-  fca.ctxmap= ct->initial;
-  rd->nresults=0;
-  rd->lresult=0;
-  rd->result[0]=0;
-  debugf("OCR h=%d w=%d",rd->h,w);
-  for (x=0; x<w; x++) debugf(" "PIXCOL_PRFMT, PIXCOL_PRVAL(cols[x]));
-  debugf("\n");
-  debug_flush();
-
-  x=0;
-  for (;;) {
-    if (DEBUGP(ocr)) debug_flush();
-    /* skip spaces */
-    if (x>=w)
-      break;
-
-    if (!pixcol_nonzero(&cols[x])) {
-      nspaces++;
-      x++;
-      if (nspaces == ct->space_spaces) {
-	debugf("OCR  x=%x nspaces=%d space\n",x,nspaces);
-	fca.ctxmap= ct->nextword;
-      }
-      continue;
-    }
-
-    /* something here, so we need to add the spaces */
-    if (nspaces >= ct->space_spaces)
-      add_result(rd," ",x-nspaces,x+1,-1,0);
-    nspaces=0;
-
-    fca.x= x;
-
-    int match_rx=-1;
-    int match_ctxi=-1;
-    DatabaseNode *match= findchar(&fca, &match_rx, &match_ctxi);
-    
-    if (match) {
-      debugf(" || YES");
-      add_result(rd, match->str, x, match_rx, match_ctxi, fca.ctxmap);
-      if (should_reject(rd)) {
-	callout_unknown(rd, w,cols, match_rx+1,match_rx, 0);
-	goto restart;
-      }
-      x= match_rx+1;
-      if (match->match) fca.ctxmap= ct->midword;
-      else debugf(" (empty)");
-      if (match->endsword) {
-	nspaces= ct->space_spaces;
-	debugf("_");
-	fca.ctxmap= ct->nextword;
-      }
-      debugf("\n");
-    } else {
-      int rx;
-      debugf(" || UNKNOWN");
-      for (rx=x; rx<w && pixcol_nonzero(&cols[rx]); rx++);
-      debugf(" x=%d ctxmap=%x %d..%d\n",x, fca.ctxmap, x,rx);
-      debug_flush();
-      callout_unknown(rd, w,cols, x,rx-1, fca.ctxmap);
-      goto restart;
-    }
-
-  }
-  add_result(rd, 0,-1,-1,-1,0);
-  debugf("OCR  finished %d glyphs\n",rd->nresults);
-  debug_flush();
-  return rd->results;
-}
-
-OcrReader *ocr_init(int h) {
-  OcrReader *rd;
-
-  assert(h <= OCR_MAX_H);
-
-  if (o_flags & ff_dict_fetch) {
-    char *fetchfile= masprintf("char%d",h);
-    fetch_with_rsync(fetchfile);
-    free(fetchfile);
-  }
-
-  rd= mmalloc(sizeof(*rd));
-  memset(rd,0,sizeof(*rd));
-
-  rd->h= h;
-
-  rd->aresult= 10;
-  rd->result= mmalloc(rd->aresult);
-
-  readdb(rd);
-  return rd;
-}
-
-/*---------- character set dump ----------*/
-
-static void show_recurse(const DatabaseNode *t, int *count,
-			 const DatabaseNode **store_ary) {
-  if (t->defined) {
-    if (store_ary) store_ary[*count]= t;
-    (*count)++;
-  }
-  int l;
-  for (l=0; l<t->nlinks; l++)
-    show_recurse(t->links[l].then, count,store_ary);
-}
-
-static int show_char_compar(const void *av, const void *bv) {
-  const DatabaseNode *const *ap= av;  const DatabaseNode *a= *ap;
-  const DatabaseNode *const *bp= bv;  const DatabaseNode *b= *bp;
-  return strcmp(a->str, b->str) ?:
-    ((int)a->match -    (int)b->match) ?:
-    ((int)a->endsword - (int)b->endsword) ?:
-    ((int)a->local -    (int)b->local) ?:
-    0;
-}
-
-void ocr_showcharsets(void) {
-  DIR *d;
-  struct dirent *de;
-  char found[OCR_MAX_H];
-  pcre *fnpat;
-  int matchvec[10];
-  char hbuf[10];
-  const char *pcre_err;
-  int pcre_erroffset;
-
-  memset(found,0,sizeof(found));
-  
-  fnpat= pcre_compile("_(?:master|local)\\-char([1-9]\\d{0,2})\\.txt$",
-		      PCRE_ANCHORED|PCRE_DOLLAR_ENDONLY,
-		      &pcre_err,&pcre_erroffset, 0);
-  debugf("pcre_compile %p %s\n",fnpat,pcre_err);
-  assert(fnpat);
-
-  sysassert( d= opendir(get_vardir()) );
-  for (;;) {
-    errno=0; de= readdir(d);  if (!de) break;
-
-    int rer= pcre_exec(fnpat,0, de->d_name,strlen(de->d_name), 0,0,
-		       matchvec,ARRAYSIZE(matchvec));
-    debugf("pcre_exec `%s' => %d\n", de->d_name,rer);
-
-    if (rer==PCRE_ERROR_NOMATCH || rer==PCRE_ERROR_BADUTF8) continue;
-    assert(rer==2);
-
-    rer= pcre_copy_substring(de->d_name,matchvec,rer, 1, hbuf,sizeof(hbuf));
-    debugf("pcre_copy_substring => %d\n", rer);
-    assert(rer>0);
-
-    int h= atoi(hbuf);
-    if (h >= ARRAYSIZE(found)) continue;
-    
-    found[h]= 1;
-  }
-
-  int h;
-  for (h=0; h<ARRAYSIZE(found); h++) {
-    if (!found[h]) continue;
-
-    OcrReader *rd= ocr_init(h); /* we leak this but never mind */
-    progress("");
-
-    int ctxi;
-    for (ctxi=0; ctxi<NCONTEXTS; ctxi++) {
-      int nchars= 0;
-      show_recurse(&rd->contexts[ctxi], &nchars, 0);
-      const DatabaseNode **chars= mmalloc(sizeof(*chars) * nchars);
-      int chari= 0;
-      show_recurse(&rd->contexts[ctxi], &chari, chars);
-      assert(chari==nchars);
-      qsort(chars, nchars, sizeof(*chars), show_char_compar);
-
-      int local;
-      for (local=0; local<2; local++) {
-	printf("%2d %-6s %-6s ", h, context_names[ctxi],
-	       local?"local":"master");
-	for (chari=0; chari<nchars; chari++) {
-	  const DatabaseNode *t= chars[chari];
-	  static const char accept[]=
-	    "abcdefghijklmnopqrstuvwxyz"
-	    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-	    "0123456789" "'!&-+.,>";
-
-	  if (t->local != local) continue;
-
-	  if (!t->match)
-	    printf(" [nomatch]");
-	  else if (!t->endsword && strspn(t->str, accept) == strlen(t->str))
-	    printf(" %s",t->str);
-	  else {
-	    printf(" \"");
-	    char *p= t->str;
-	    int c;
-	    while ((c=*p++)) {
-	      if (c=='"' || c=='\\') printf("\\%c",c);
-	      else if (c>=' ' && c<=126) putchar(c);
-	      else printf("\\x%02x", (unsigned char)c);
-	    }
-	    if (t->endsword) putchar(' ');
-	    putchar('"');
-	  }
-	}
-	putchar('\n');
-      }
-      free(chars);
-    }
-  }
-}