typedef struct DatabaseNode {
char *str;
int nlinks, alinks;
- unsigned match:1, defined:1, endsword:1;
+ unsigned match:1, defined:1, endsword:1, local:1;
DatabaseLink *links;
} DatabaseNode;
OcrReader *rd;
OcrCellType ct;
int w;
- Pixcol *cols;
+ const Pixcol *cols;
int x;
unsigned ctxmap;
} FindCharArgs;
#define FOR_EACH_CONTEXT(EACH) \
EACH(Word) \
- EACH(Upper) \
EACH(Lower) \
+ EACH(Upper) \
EACH(Digit)
#define FEC_ENUM(Context) ct_##Context,
cleardb_node(n->links[i].then);
}
-static void readdb1(OcrReader *rd, const char *which);
+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");
- readdb1(rd, "local");
+ readdb1(rd, "master", 0);
+ readdb1(rd, "local", 1);
}
-static void readdb1(OcrReader *rd, const char *which) {
+static void readdb1(OcrReader *rd, const char *which, int local) {
int nchrs;
DatabaseNode *current, *additional;
char chrs[100];
goto x;
FGETSLINE;
- dbassert(!strcmp(lbuf,"# ypp-sc-tools pctb font v1"));
+ dbassert(!strcmp(lbuf,"# ypp-sc-tools pctb font v2"));
dbassert( dbfile_scanf("%d", &h) == 1);
dbassert(h==rd->h);
for (;;) {
FGETSLINE;
if (!lbuf[0]) { dbassert(current != &rd->contexts[ctxi]); break; }
- char *ep;
- cv= strtoul(lbuf,&ep,16); dbassert(!*ep);
- dbassert(!(cv & ~((1UL << rd->h)-1)));
+ 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 (current->links[j].col == cv) {
+ if (!pixcol_cmp(&cv, ¤t->links[j].col)) {
current= current->links[j].then;
goto found_link;
}
current->str= 0;
current->defined= 1;
current->match= 0;
+ current->local= local;
if (nchrs) {
current->str= mmalloc(nchrs+1);
fprintf(resolver,"}");
}
-static void callout_unknown(OcrReader *rd, int w, Pixcol cols[],
+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;
- Pixcol pv;
FILE *resolver= resolve_start();
if (!resolver || !(o_flags & ff_editcharset))
fputc('\n',resolver);
fprintf(resolver,
- "/* XPM */\n"
- "static char *t[] = {\n"
- "/* columns rows colors chars-per-pixel */\n"
- "\"%d %d 2 1\",\n"
- "\" c black\",\n"
- "\"o c white\",\n",
- w,rd->h);
- for (y=0, pv=1; y<rd->h; y++, pv<<=1) {
- fputc('"',resolver);
+ "P2\n%d %d %d\n", w, rd->h, AAMAXVAL);
+ for (y=0; y<rd->h; y++) {
for (x=0; x<w; x++)
- fputc(cols[x] & pv ? 'o' : ' ', resolver);
- fputs("\",\n",resolver);
+ fprintf(resolver, " %d", pixcol_p_get(&cols[x], y));
+ fputc('\n',resolver);
}
- fputs("};\n",resolver);
resolve_finish();
readdb(rd);
debugf(" | x=%d",x);
if (x > fca->w) break;
Pixcol cv= fca->cols[x];
- debugf(" cv=%"PSPIXCOL(PRIx),cv);
+ debugf(" cv="PIXCOL_PRFMT, PIXCOL_PRVAL(cv));
for (i=0; i<current->nlinks; i++)
- if (current->links[i].col == cv)
+ if (!pixcol_cmp(&cv, ¤t->links[i].col))
goto found;
/* not found */
debugf(" ?");
static int findchar_select_text(const FindCharArgs *fca,
const FindCharResults results[]) {
- if (fca->ctxmap != 017) return -1;
+
+ dbassert(! results[ct_Digit].match ); /* digits are supposedly unambiguous */
+
+ switch (fca->ctxmap) {
- dbassert(! results[ct_Digit].match );
- if (results[ct_Word].match) return ct_Word;
- if (results[ct_Lower].rx > results[ct_Upper].rx) return ct_Lower;
- if (results[ct_Upper].rx > results[ct_Lower].rx) return ct_Upper;
+#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_text= {
.initial= ctf_Digit | ctf_Upper,
.nextword= ctf_Digit | ctf_Upper | ctf_Lower | ctf_Word,
- .midword= ctf_Digit | ctf_Lower,
+ .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, Pixcol cols[]) {
+OcrResultGlyph *ocr(OcrReader *rd, OcrCellType ct, int w,
+ const Pixcol cols[]) {
int nspaces;
int x;
fca.ctxmap= ct->initial;
rd->nresults=0;
debugf("OCR h=%d w=%d",rd->h,w);
- for (x=0; x<w; x++) debugf(" %"PSPIXCOL(PRIx),cols[x]);
+ for (x=0; x<w; x++) debugf(" "PIXCOL_PRFMT, PIXCOL_PRVAL(cols[x]));
debugf("\n");
debug_flush();
if (x>=w)
break;
- if (!cols[x]) {
+ if (!pixcol_nonzero(&cols[x])) {
nspaces++;
x++;
if (nspaces == ct->space_spaces) {
} else {
int rx;
debugf(" || UNKNOWN");
- for (rx=x; rx<w && cols[rx]; rx++);
+ 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);
OcrReader *ocr_init(int h) {
OcrReader *rd;
+ assert(h <= OCR_MAX_H);
+
if (o_flags & ff_dict_fetch) {
char *fetchfile= masprintf("char%d",h);
progress("Updating %s...",fetchfile);
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);
+ }
+ }
+}
~yarrgweb / ypp-sc-tools.db-test.git / blobdiff