1 /*	$NetBSD: ucgendat.c,v 1.3 2021/08/14 16:14:57 christos Exp $	*/
2 
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5  *
6  * Copyright 1998-2021 The OpenLDAP Foundation.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted only as authorized by the OpenLDAP
11  * Public License.
12  *
13  * A copy of this license is available in file LICENSE in the
14  * top-level directory of the distribution or, alternatively, at
15  * <http://www.OpenLDAP.org/license.html>.
16  */
17 /* Copyright 2001 Computing Research Labs, New Mexico State University
18  *
19  * Permission is hereby granted, free of charge, to any person obtaining a
20  * copy of this software and associated documentation files (the "Software"),
21  * to deal in the Software without restriction, including without limitation
22  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
23  * and/or sell copies of the Software, and to permit persons to whom the
24  * Software is furnished to do so, subject to the following conditions:
25  *
26  * The above copyright notice and this permission notice shall be included in
27  * all copies or substantial portions of the Software.
28  *
29  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
30  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
31  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
32  * THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
33  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
34  * OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
35  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36  */
37 /* Id: ucgendat.c,v 1.4 2001/01/02 18:46:20 mleisher Exp " */
38 
39 #include <sys/cdefs.h>
40 __RCSID("$NetBSD: ucgendat.c,v 1.3 2021/08/14 16:14:57 christos Exp $");
41 
42 #include "portable.h"
43 #include "ldap_config.h"
44 
45 #include <stdio.h>
46 #include <ac/ctype.h>
47 #include <ac/stdlib.h>
48 #include <ac/string.h>
49 #include <ac/unistd.h>
50 
51 #include <ac/bytes.h>
52 
53 #include <lutil.h>
54 
55 #ifndef HARDCODE_DATA
56 #define	HARDCODE_DATA	1
57 #endif
58 
59 #undef ishdigit
60 #define ishdigit(cc) (((cc) >= '0' && (cc) <= '9') ||\
61                       ((cc) >= 'A' && (cc) <= 'F') ||\
62                       ((cc) >= 'a' && (cc) <= 'f'))
63 
64 /*
65  * A header written to the output file with the byte-order-mark and the number
66  * of property nodes.
67  */
68 static ac_uint2 hdr[2] = {0xfeff, 0};
69 
70 #define NUMPROPS 50
71 #define NEEDPROPS (NUMPROPS + (4 - (NUMPROPS & 3)))
72 
73 typedef struct {
74     char *name;
75     int len;
76 } _prop_t;
77 
78 /*
79  * List of properties expected to be found in the Unicode Character Database
80  * including some implementation specific properties.
81  *
82  * The implementation specific properties are:
83  * Cm = Composed (can be decomposed)
84  * Nb = Non-breaking
85  * Sy = Symmetric (has left and right forms)
86  * Hd = Hex digit
87  * Qm = Quote marks
88  * Mr = Mirroring
89  * Ss = Space, other
90  * Cp = Defined character
91  */
92 static _prop_t props[NUMPROPS] = {
93     {"Mn", 2}, {"Mc", 2}, {"Me", 2}, {"Nd", 2}, {"Nl", 2}, {"No", 2},
94     {"Zs", 2}, {"Zl", 2}, {"Zp", 2}, {"Cc", 2}, {"Cf", 2}, {"Cs", 2},
95     {"Co", 2}, {"Cn", 2}, {"Lu", 2}, {"Ll", 2}, {"Lt", 2}, {"Lm", 2},
96     {"Lo", 2}, {"Pc", 2}, {"Pd", 2}, {"Ps", 2}, {"Pe", 2}, {"Po", 2},
97     {"Sm", 2}, {"Sc", 2}, {"Sk", 2}, {"So", 2}, {"L",  1}, {"R",  1},
98     {"EN", 2}, {"ES", 2}, {"ET", 2}, {"AN", 2}, {"CS", 2}, {"B",  1},
99     {"S",  1}, {"WS", 2}, {"ON", 2},
100     {"Cm", 2}, {"Nb", 2}, {"Sy", 2}, {"Hd", 2}, {"Qm", 2}, {"Mr", 2},
101     {"Ss", 2}, {"Cp", 2}, {"Pi", 2}, {"Pf", 2}, {"AL", 2}
102 };
103 
104 typedef struct {
105     ac_uint4 *ranges;
106     ac_uint2 used;
107     ac_uint2 size;
108 } _ranges_t;
109 
110 static _ranges_t proptbl[NUMPROPS];
111 
112 /*
113  * Make sure this array is sized to be on a 4-byte boundary at compile time.
114  */
115 static ac_uint2 propcnt[NEEDPROPS];
116 
117 /*
118  * Array used to collect a decomposition before adding it to the decomposition
119  * table.
120  */
121 static ac_uint4 dectmp[64];
122 static ac_uint4 dectmp_size;
123 
124 typedef struct {
125     ac_uint4 code;
126     ac_uint2 size;
127     ac_uint2 used;
128     ac_uint4 *decomp;
129 } _decomp_t;
130 
131 /*
132  * List of decomposition.  Created and expanded in order as the characters are
133  * encountered. First list contains canonical mappings, second also includes
134  * compatibility mappings.
135  */
136 static _decomp_t *decomps;
137 static ac_uint4 decomps_used;
138 static ac_uint4 decomps_size;
139 
140 static _decomp_t *kdecomps;
141 static ac_uint4 kdecomps_used;
142 static ac_uint4 kdecomps_size;
143 
144 /*
145  * Composition exclusion table stuff.
146  */
147 #define COMPEX_SET(c) (compexs[(c) >> 5] |= (1 << ((c) & 31)))
148 #define COMPEX_TEST(c) (compexs[(c) >> 5] & (1 << ((c) & 31)))
149 static ac_uint4 compexs[8192];
150 
151 /*
152  * Struct for holding a composition pair, and array of composition pairs
153  */
154 typedef struct {
155     ac_uint4 comp;
156     ac_uint4 count;
157     ac_uint4 code1;
158     ac_uint4 code2;
159 } _comp_t;
160 
161 static _comp_t *comps;
162 static ac_uint4 comps_used;
163 
164 /*
165  * Types and lists for handling lists of case mappings.
166  */
167 typedef struct {
168     ac_uint4 key;
169     ac_uint4 other1;
170     ac_uint4 other2;
171 } _case_t;
172 
173 static _case_t *upper;
174 static _case_t *lower;
175 static _case_t *title;
176 static ac_uint4 upper_used;
177 static ac_uint4 upper_size;
178 static ac_uint4 lower_used;
179 static ac_uint4 lower_size;
180 static ac_uint4 title_used;
181 static ac_uint4 title_size;
182 
183 /*
184  * Array used to collect case mappings before adding them to a list.
185  */
186 static ac_uint4 cases[3];
187 
188 /*
189  * An array to hold ranges for combining classes.
190  */
191 static ac_uint4 *ccl;
192 static ac_uint4 ccl_used;
193 static ac_uint4 ccl_size;
194 
195 /*
196  * Structures for handling numbers.
197  */
198 typedef struct {
199     ac_uint4 code;
200     ac_uint4 idx;
201 } _codeidx_t;
202 
203 typedef struct {
204     short numerator;
205     short denominator;
206 } _num_t;
207 
208 /*
209  * Arrays to hold the mapping of codes to numbers.
210  */
211 static _codeidx_t *ncodes;
212 static ac_uint4 ncodes_used;
213 static ac_uint4 ncodes_size;
214 
215 static _num_t *nums;
216 static ac_uint4 nums_used;
217 static ac_uint4 nums_size;
218 
219 /*
220  * Array for holding numbers.
221  */
222 static _num_t *nums;
223 static ac_uint4 nums_used;
224 static ac_uint4 nums_size;
225 
226 static void
add_range(ac_uint4 start,ac_uint4 end,char * p1,char * p2)227 add_range(ac_uint4 start, ac_uint4 end, char *p1, char *p2)
228 {
229     int i, j, k, len;
230     _ranges_t *rlp;
231     char *name;
232 
233     for (k = 0; k < 2; k++) {
234         if (k == 0) {
235             name = p1;
236             len = 2;
237         } else {
238             if (p2 == 0)
239               break;
240 
241             name = p2;
242             len = 1;
243         }
244 
245         for (i = 0; i < NUMPROPS; i++) {
246             if (props[i].len == len && memcmp(props[i].name, name, len) == 0)
247               break;
248         }
249 
250         if (i == NUMPROPS)
251           continue;
252 
253         rlp = &proptbl[i];
254 
255         /*
256          * Resize the range list if necessary.
257          */
258         if (rlp->used == rlp->size) {
259             if (rlp->size == 0)
260               rlp->ranges = (ac_uint4 *)
261                   malloc(sizeof(ac_uint4) << 3);
262             else
263               rlp->ranges = (ac_uint4 *)
264                   realloc((char *) rlp->ranges,
265                           sizeof(ac_uint4) * (rlp->size + 8));
266             rlp->size += 8;
267         }
268 
269         /*
270          * If this is the first code for this property list, just add it
271          * and return.
272          */
273         if (rlp->used == 0) {
274             rlp->ranges[0] = start;
275             rlp->ranges[1] = end;
276             rlp->used += 2;
277             continue;
278         }
279 
280         /*
281          * Optimize the case of adding the range to the end.
282          */
283         j = rlp->used - 1;
284         if (start > rlp->ranges[j]) {
285             j = rlp->used;
286             rlp->ranges[j++] = start;
287             rlp->ranges[j++] = end;
288             rlp->used = j;
289             continue;
290         }
291 
292         /*
293          * Need to locate the insertion point.
294          */
295         for (i = 0;
296              i < rlp->used && start > rlp->ranges[i + 1] + 1; i += 2) ;
297 
298         /*
299          * If the start value lies in the current range, then simply set the
300          * new end point of the range to the end value passed as a parameter.
301          */
302         if (rlp->ranges[i] <= start && start <= rlp->ranges[i + 1] + 1) {
303             rlp->ranges[i + 1] = end;
304             return;
305         }
306 
307         /*
308          * Shift following values up by two.
309          */
310         for (j = rlp->used; j > i; j -= 2) {
311             rlp->ranges[j] = rlp->ranges[j - 2];
312             rlp->ranges[j + 1] = rlp->ranges[j - 1];
313         }
314 
315         /*
316          * Add the new range at the insertion point.
317          */
318         rlp->ranges[i] = start;
319         rlp->ranges[i + 1] = end;
320         rlp->used += 2;
321     }
322 }
323 
324 static void
ordered_range_insert(ac_uint4 c,char * name,int len)325 ordered_range_insert(ac_uint4 c, char *name, int len)
326 {
327     int i, j;
328     ac_uint4 s, e;
329     _ranges_t *rlp;
330 
331     if (len == 0)
332       return;
333 
334     /*
335      * Deal with directionality codes introduced in Unicode 3.0.
336      */
337     if ((len == 2 && memcmp(name, "BN", 2) == 0) ||
338         (len == 3 &&
339          (memcmp(name, "NSM", 3) == 0 || memcmp(name, "PDF", 3) == 0 ||
340           memcmp(name, "LRE", 3) == 0 || memcmp(name, "LRO", 3) == 0 ||
341           memcmp(name, "RLE", 3) == 0 || memcmp(name, "RLO", 3) == 0))) {
342         /*
343          * Mark all of these as Other Neutral to preserve compatibility with
344          * older versions.
345          */
346         len = 2;
347         name = "ON";
348     }
349 
350     for (i = 0; i < NUMPROPS; i++) {
351         if (props[i].len == len && memcmp(props[i].name, name, len) == 0)
352           break;
353     }
354 
355     if (i == NUMPROPS)
356       return;
357 
358     /*
359      * Have a match, so insert the code in order.
360      */
361     rlp = &proptbl[i];
362 
363     /*
364      * Resize the range list if necessary.
365      */
366     if (rlp->used == rlp->size) {
367         if (rlp->size == 0)
368           rlp->ranges = (ac_uint4 *)
369               malloc(sizeof(ac_uint4) << 3);
370         else
371           rlp->ranges = (ac_uint4 *)
372               realloc((char *) rlp->ranges,
373                       sizeof(ac_uint4) * (rlp->size + 8));
374         rlp->size += 8;
375     }
376 
377     /*
378      * If this is the first code for this property list, just add it
379      * and return.
380      */
381     if (rlp->used == 0) {
382         rlp->ranges[0] = rlp->ranges[1] = c;
383         rlp->used += 2;
384         return;
385     }
386 
387     /*
388      * Optimize the cases of extending the last range and adding new ranges to
389      * the end.
390      */
391     j = rlp->used - 1;
392     e = rlp->ranges[j];
393     s = rlp->ranges[j - 1];
394 
395     if (c == e + 1) {
396         /*
397          * Extend the last range.
398          */
399         rlp->ranges[j] = c;
400         return;
401     }
402 
403     if (c > e + 1) {
404         /*
405          * Start another range on the end.
406          */
407         j = rlp->used;
408         rlp->ranges[j] = rlp->ranges[j + 1] = c;
409         rlp->used += 2;
410         return;
411     }
412 
413     if (c >= s)
414       /*
415        * The code is a duplicate of a code in the last range, so just return.
416        */
417       return;
418 
419     /*
420      * The code should be inserted somewhere before the last range in the
421      * list.  Locate the insertion point.
422      */
423     for (i = 0;
424          i < rlp->used && c > rlp->ranges[i + 1] + 1; i += 2) ;
425 
426     s = rlp->ranges[i];
427     e = rlp->ranges[i + 1];
428 
429     if (c == e + 1)
430       /*
431        * Simply extend the current range.
432        */
433       rlp->ranges[i + 1] = c;
434     else if (c < s) {
435         /*
436          * Add a new entry before the current location.  Shift all entries
437          * before the current one up by one to make room.
438          */
439         for (j = rlp->used; j > i; j -= 2) {
440             rlp->ranges[j] = rlp->ranges[j - 2];
441             rlp->ranges[j + 1] = rlp->ranges[j - 1];
442         }
443         rlp->ranges[i] = rlp->ranges[i + 1] = c;
444 
445         rlp->used += 2;
446     }
447 }
448 
449 static void
add_decomp(ac_uint4 code,short compat)450 add_decomp(ac_uint4 code, short compat)
451 {
452     ac_uint4 i, j, size;
453     _decomp_t **pdecomps;
454     ac_uint4 *pdecomps_used;
455     ac_uint4 *pdecomps_size;
456 
457     if (compat) {
458 	pdecomps = &kdecomps;
459 	pdecomps_used = &kdecomps_used;
460 	pdecomps_size = &kdecomps_size;
461     } else {
462 	pdecomps = &decomps;
463 	pdecomps_used = &decomps_used;
464 	pdecomps_size = &decomps_size;
465     }
466 
467     /*
468      * Add the code to the composite property.
469      */
470     if (!compat) {
471 	ordered_range_insert(code, "Cm", 2);
472     }
473 
474     /*
475      * Locate the insertion point for the code.
476      */
477     for (i = 0; i < *pdecomps_used && code > (*pdecomps)[i].code; i++) ;
478 
479     /*
480      * Allocate space for a new decomposition.
481      */
482     if (*pdecomps_used == *pdecomps_size) {
483         if (*pdecomps_size == 0)
484           *pdecomps = (_decomp_t *) malloc(sizeof(_decomp_t) << 3);
485         else
486           *pdecomps = (_decomp_t *)
487               realloc((char *) *pdecomps,
488                       sizeof(_decomp_t) * (*pdecomps_size + 8));
489         (void) memset((char *) (*pdecomps + *pdecomps_size), '\0',
490                       sizeof(_decomp_t) << 3);
491         *pdecomps_size += 8;
492     }
493 
494     if (i < *pdecomps_used && code != (*pdecomps)[i].code) {
495         /*
496          * Shift the decomps up by one if the codes don't match.
497          */
498         for (j = *pdecomps_used; j > i; j--)
499           (void) AC_MEMCPY((char *) &(*pdecomps)[j], (char *) &(*pdecomps)[j - 1],
500                         sizeof(_decomp_t));
501     }
502 
503     /*
504      * Insert or replace a decomposition.
505      */
506     size = dectmp_size + (4 - (dectmp_size & 3));
507     if ((*pdecomps)[i].size < size) {
508         if ((*pdecomps)[i].size == 0)
509           (*pdecomps)[i].decomp = (ac_uint4 *)
510               malloc(sizeof(ac_uint4) * size);
511         else
512           (*pdecomps)[i].decomp = (ac_uint4 *)
513               realloc((char *) (*pdecomps)[i].decomp,
514                       sizeof(ac_uint4) * size);
515         (*pdecomps)[i].size = size;
516     }
517 
518     if ((*pdecomps)[i].code != code)
519       (*pdecomps_used)++;
520 
521     (*pdecomps)[i].code = code;
522     (*pdecomps)[i].used = dectmp_size;
523     (void) AC_MEMCPY((char *) (*pdecomps)[i].decomp, (char *) dectmp,
524                   sizeof(ac_uint4) * dectmp_size);
525 
526     /*
527      * NOTICE: This needs changing later so it is more general than simply
528      * pairs.  This calculation is done here to simplify allocation elsewhere.
529      */
530     if (!compat && dectmp_size == 2)
531       comps_used++;
532 }
533 
534 static void
add_title(ac_uint4 code)535 add_title(ac_uint4 code)
536 {
537     ac_uint4 i, j;
538 
539     /*
540      * Always map the code to itself.
541      */
542     cases[2] = code;
543 
544     /*
545      * If the upper case character is not present, then make it the same as
546      * the title case.
547      */
548     if (cases[0] == 0)
549       cases[0] = code;
550 
551     if (title_used == title_size) {
552         if (title_size == 0)
553           title = (_case_t *) malloc(sizeof(_case_t) << 3);
554         else
555           title = (_case_t *) realloc((char *) title,
556                                       sizeof(_case_t) * (title_size + 8));
557         title_size += 8;
558     }
559 
560     /*
561      * Locate the insertion point.
562      */
563     for (i = 0; i < title_used && code > title[i].key; i++) ;
564 
565     if (i < title_used) {
566         /*
567          * Shift the array up by one.
568          */
569         for (j = title_used; j > i; j--)
570           (void) AC_MEMCPY((char *) &title[j], (char *) &title[j - 1],
571                         sizeof(_case_t));
572     }
573 
574     title[i].key = cases[2];    /* Title */
575     title[i].other1 = cases[0]; /* Upper */
576     title[i].other2 = cases[1]; /* Lower */
577 
578     title_used++;
579 }
580 
581 static void
add_upper(ac_uint4 code)582 add_upper(ac_uint4 code)
583 {
584     ac_uint4 i, j;
585 
586     /*
587      * Always map the code to itself.
588      */
589     cases[0] = code;
590 
591     /*
592      * If the title case character is not present, then make it the same as
593      * the upper case.
594      */
595     if (cases[2] == 0)
596       cases[2] = code;
597 
598     if (upper_used == upper_size) {
599         if (upper_size == 0)
600           upper = (_case_t *) malloc(sizeof(_case_t) << 3);
601         else
602           upper = (_case_t *) realloc((char *) upper,
603                                       sizeof(_case_t) * (upper_size + 8));
604         upper_size += 8;
605     }
606 
607     /*
608      * Locate the insertion point.
609      */
610     for (i = 0; i < upper_used && code > upper[i].key; i++) ;
611 
612     if (i < upper_used) {
613         /*
614          * Shift the array up by one.
615          */
616         for (j = upper_used; j > i; j--)
617           (void) AC_MEMCPY((char *) &upper[j], (char *) &upper[j - 1],
618                         sizeof(_case_t));
619     }
620 
621     upper[i].key = cases[0];    /* Upper */
622     upper[i].other1 = cases[1]; /* Lower */
623     upper[i].other2 = cases[2]; /* Title */
624 
625     upper_used++;
626 }
627 
628 static void
add_lower(ac_uint4 code)629 add_lower(ac_uint4 code)
630 {
631     ac_uint4 i, j;
632 
633     /*
634      * Always map the code to itself.
635      */
636     cases[1] = code;
637 
638     /*
639      * If the title case character is empty, then make it the same as the
640      * upper case.
641      */
642     if (cases[2] == 0)
643       cases[2] = cases[0];
644 
645     if (lower_used == lower_size) {
646         if (lower_size == 0)
647           lower = (_case_t *) malloc(sizeof(_case_t) << 3);
648         else
649           lower = (_case_t *) realloc((char *) lower,
650                                       sizeof(_case_t) * (lower_size + 8));
651         lower_size += 8;
652     }
653 
654     /*
655      * Locate the insertion point.
656      */
657     for (i = 0; i < lower_used && code > lower[i].key; i++) ;
658 
659     if (i < lower_used) {
660         /*
661          * Shift the array up by one.
662          */
663         for (j = lower_used; j > i; j--)
664           (void) AC_MEMCPY((char *) &lower[j], (char *) &lower[j - 1],
665                         sizeof(_case_t));
666     }
667 
668     lower[i].key = cases[1];    /* Lower */
669     lower[i].other1 = cases[0]; /* Upper */
670     lower[i].other2 = cases[2]; /* Title */
671 
672     lower_used++;
673 }
674 
675 static void
ordered_ccl_insert(ac_uint4 c,ac_uint4 ccl_code)676 ordered_ccl_insert(ac_uint4 c, ac_uint4 ccl_code)
677 {
678     ac_uint4 i, j;
679 
680     if (ccl_used == ccl_size) {
681         if (ccl_size == 0)
682           ccl = (ac_uint4 *) malloc(sizeof(ac_uint4) * 24);
683         else
684           ccl = (ac_uint4 *)
685               realloc((char *) ccl, sizeof(ac_uint4) * (ccl_size + 24));
686         ccl_size += 24;
687     }
688 
689     /*
690      * Optimize adding the first item.
691      */
692     if (ccl_used == 0) {
693         ccl[0] = ccl[1] = c;
694         ccl[2] = ccl_code;
695         ccl_used += 3;
696         return;
697     }
698 
699     /*
700      * Handle the special case of extending the range on the end.  This
701      * requires that the combining class codes are the same.
702      */
703     if (ccl_code == ccl[ccl_used - 1] && c == ccl[ccl_used - 2] + 1) {
704         ccl[ccl_used - 2] = c;
705         return;
706     }
707 
708     /*
709      * Handle the special case of adding another range on the end.
710      */
711     if (c > ccl[ccl_used - 2] + 1 ||
712         (c == ccl[ccl_used - 2] + 1 && ccl_code != ccl[ccl_used - 1])) {
713         ccl[ccl_used++] = c;
714         ccl[ccl_used++] = c;
715         ccl[ccl_used++] = ccl_code;
716         return;
717     }
718 
719     /*
720      * Locate either the insertion point or range for the code.
721      */
722     for (i = 0; i < ccl_used && c > ccl[i + 1] + 1; i += 3) ;
723 
724     if (ccl_code == ccl[i + 2] && c == ccl[i + 1] + 1) {
725         /*
726          * Extend an existing range.
727          */
728         ccl[i + 1] = c;
729         return;
730     } else if (c < ccl[i]) {
731         /*
732          * Start a new range before the current location.
733          */
734         for (j = ccl_used; j > i; j -= 3) {
735             ccl[j] = ccl[j - 3];
736             ccl[j - 1] = ccl[j - 4];
737             ccl[j - 2] = ccl[j - 5];
738         }
739         ccl[i] = ccl[i + 1] = c;
740         ccl[i + 2] = ccl_code;
741     }
742 }
743 
744 /*
745  * Adds a number if it does not already exist and returns an index value
746  * multiplied by 2.
747  */
748 static ac_uint4
make_number(short num,short denom)749 make_number(short num, short denom)
750 {
751     ac_uint4 n;
752 
753     /*
754      * Determine if the number already exists.
755      */
756     for (n = 0; n < nums_used; n++) {
757         if (nums[n].numerator == num && nums[n].denominator == denom)
758           return n << 1;
759     }
760 
761     if (nums_used == nums_size) {
762         if (nums_size == 0)
763           nums = (_num_t *) malloc(sizeof(_num_t) << 3);
764         else
765           nums = (_num_t *) realloc((char *) nums,
766                                     sizeof(_num_t) * (nums_size + 8));
767         nums_size += 8;
768     }
769 
770     n = nums_used++;
771     nums[n].numerator = num;
772     nums[n].denominator = denom;
773 
774     return n << 1;
775 }
776 
777 static void
add_number(ac_uint4 code,short num,short denom)778 add_number(ac_uint4 code, short num, short denom)
779 {
780     ac_uint4 i, j;
781 
782     /*
783      * Insert the code in order.
784      */
785     for (i = 0; i < ncodes_used && code > ncodes[i].code; i++) ;
786 
787     /*
788      * Handle the case of the codes matching and simply replace the number
789      * that was there before.
790      */
791     if (i < ncodes_used && code == ncodes[i].code) {
792         ncodes[i].idx = make_number(num, denom);
793         return;
794     }
795 
796     /*
797      * Resize the array if necessary.
798      */
799     if (ncodes_used == ncodes_size) {
800         if (ncodes_size == 0)
801           ncodes = (_codeidx_t *) malloc(sizeof(_codeidx_t) << 3);
802         else
803           ncodes = (_codeidx_t *)
804               realloc((char *) ncodes, sizeof(_codeidx_t) * (ncodes_size + 8));
805 
806         ncodes_size += 8;
807     }
808 
809     /*
810      * Shift things around to insert the code if necessary.
811      */
812     if (i < ncodes_used) {
813         for (j = ncodes_used; j > i; j--) {
814             ncodes[j].code = ncodes[j - 1].code;
815             ncodes[j].idx = ncodes[j - 1].idx;
816         }
817     }
818     ncodes[i].code = code;
819     ncodes[i].idx = make_number(num, denom);
820 
821     ncodes_used++;
822 }
823 
824 /*
825  * This routine assumes that the line is a valid Unicode Character Database
826  * entry.
827  */
828 static void
read_cdata(FILE * in)829 read_cdata(FILE *in)
830 {
831     ac_uint4 i, lineno, skip, code, ccl_code;
832     short wnum, neg, number[2], compat;
833     char line[512], *s, *e, *first_prop;
834 
835     lineno = skip = 0;
836     while (fgets(line, sizeof(line), in)) {
837 	if( (s=strchr(line, '\n')) ) *s = '\0';
838         lineno++;
839 
840         /*
841          * Skip blank lines and lines that start with a '#'.
842          */
843         if (line[0] == 0 || line[0] == '#')
844           continue;
845 
846         /*
847          * If lines need to be skipped, do it here.
848          */
849         if (skip) {
850             skip--;
851             continue;
852         }
853 
854         /*
855          * Collect the code.  The code can be up to 6 hex digits in length to
856          * allow surrogates to be specified.
857          */
858         for (s = line, i = code = 0; *s != ';' && i < 6; i++, s++) {
859             code <<= 4;
860             if (*s >= '0' && *s <= '9')
861               code += *s - '0';
862             else if (*s >= 'A' && *s <= 'F')
863               code += (*s - 'A') + 10;
864             else if (*s >= 'a' && *s <= 'f')
865               code += (*s - 'a') + 10;
866         }
867 
868         /*
869          * Handle the following special cases:
870          * 1. 4E00-9FA5 CJK Ideographs.
871          * 2. AC00-D7A3 Hangul Syllables.
872          * 3. D800-DFFF Surrogates.
873          * 4. E000-F8FF Private Use Area.
874          * 5. F900-FA2D Han compatibility.
875 	 * ...Plus additional ranges in newer Unicode versions...
876          */
877         switch (code) {
878 	  case 0x3400:
879 	    /* CJK Ideograph Extension A */
880             add_range(0x3400, 0x4db5, "Lo", "L");
881 
882             add_range(0x3400, 0x4db5, "Cp", 0);
883 
884 	    skip = 1;
885 	    break;
886           case 0x4e00:
887             /*
888              * The Han ideographs.
889              */
890             add_range(0x4e00, 0x9fff, "Lo", "L");
891 
892             /*
893              * Add the characters to the defined category.
894              */
895             add_range(0x4e00, 0x9fa5, "Cp", 0);
896 
897             skip = 1;
898             break;
899           case 0xac00:
900             /*
901              * The Hangul syllables.
902              */
903             add_range(0xac00, 0xd7a3, "Lo", "L");
904 
905             /*
906              * Add the characters to the defined category.
907              */
908             add_range(0xac00, 0xd7a3, "Cp", 0);
909 
910             skip = 1;
911             break;
912           case 0xd800:
913             /*
914              * Make a range of all surrogates and assume some default
915              * properties.
916              */
917             add_range(0x010000, 0x10ffff, "Cs", "L");
918             skip = 5;
919             break;
920           case 0xe000:
921             /*
922              * The Private Use area.  Add with a default set of properties.
923              */
924             add_range(0xe000, 0xf8ff, "Co", "L");
925             skip = 1;
926             break;
927           case 0xf900:
928             /*
929              * The CJK compatibility area.
930              */
931             add_range(0xf900, 0xfaff, "Lo", "L");
932 
933             /*
934              * Add the characters to the defined category.
935              */
936             add_range(0xf900, 0xfaff, "Cp", 0);
937 
938             skip = 1;
939 	    break;
940 	  case 0x20000:
941 	    /* CJK Ideograph Extension B */
942             add_range(0x20000, 0x2a6d6, "Lo", "L");
943 
944             add_range(0x20000, 0x2a6d6, "Cp", 0);
945 
946 	    skip = 1;
947 	    break;
948 	  case 0xf0000:
949 	    /* Plane 15 private use */
950 	    add_range(0xf0000, 0xffffd, "Co", "L");
951 	    skip = 1;
952 	    break;
953 
954 	  case 0x100000:
955 	    /* Plane 16 private use */
956 	    add_range(0x100000, 0x10fffd, "Co", "L");
957 	    skip = 1;
958 	    break;
959         }
960 
961         if (skip)
962           continue;
963 
964         /*
965          * Add the code to the defined category.
966          */
967         ordered_range_insert(code, "Cp", 2);
968 
969         /*
970          * Locate the first character property field.
971          */
972         for (i = 0; *s != 0 && i < 2; s++) {
973             if (*s == ';')
974               i++;
975         }
976         for (e = s; *e && *e != ';'; e++) ;
977 
978         first_prop = s;
979 
980         ordered_range_insert(code, s, e - s);
981 
982         /*
983          * Locate the combining class code.
984          */
985         for (s = e; *s != 0 && i < 3; s++) {
986             if (*s == ';')
987               i++;
988         }
989 
990         /*
991          * Convert the combining class code from decimal.
992          */
993         for (ccl_code = 0, e = s; *e && *e != ';'; e++)
994           ccl_code = (ccl_code * 10) + (*e - '0');
995 
996         /*
997          * Add the code if it not 0.
998          */
999         if (ccl_code != 0)
1000           ordered_ccl_insert(code, ccl_code);
1001 
1002         /*
1003          * Locate the second character property field.
1004          */
1005         for (s = e; *s != 0 && i < 4; s++) {
1006             if (*s == ';')
1007               i++;
1008         }
1009         for (e = s; *e && *e != ';'; e++) ;
1010 
1011         ordered_range_insert(code, s, e - s);
1012 
1013         /*
1014          * Check for a decomposition.
1015          */
1016         s = ++e;
1017         if (*s != ';') {
1018 	    compat = *s == '<';
1019 	    if (compat) {
1020 		/*
1021 		 * Skip compatibility formatting tag.
1022 		 */
1023 		while (*s++ != '>');
1024 	    }
1025             /*
1026              * Collect the codes of the decomposition.
1027              */
1028             for (dectmp_size = 0; *s != ';'; ) {
1029                 /*
1030                  * Skip all leading non-hex digits.
1031                  */
1032                 while (!ishdigit(*s))
1033  		  s++;
1034 
1035                 for (dectmp[dectmp_size] = 0; ishdigit(*s); s++) {
1036                     dectmp[dectmp_size] <<= 4;
1037                     if (*s >= '0' && *s <= '9')
1038                       dectmp[dectmp_size] += *s - '0';
1039                     else if (*s >= 'A' && *s <= 'F')
1040                       dectmp[dectmp_size] += (*s - 'A') + 10;
1041                     else if (*s >= 'a' && *s <= 'f')
1042                       dectmp[dectmp_size] += (*s - 'a') + 10;
1043                 }
1044                 dectmp_size++;
1045             }
1046 
1047             /*
1048              * If there are any codes in the temporary decomposition array,
1049              * then add the character with its decomposition.
1050              */
1051             if (dectmp_size > 0) {
1052 		if (!compat) {
1053 		    add_decomp(code, 0);
1054 		}
1055 		add_decomp(code, 1);
1056 	    }
1057         }
1058 
1059         /*
1060          * Skip to the number field.
1061          */
1062         for (i = 0; i < 3 && *s; s++) {
1063             if (*s == ';')
1064               i++;
1065         }
1066 
1067         /*
1068          * Scan the number in.
1069          */
1070         number[0] = number[1] = 0;
1071         for (e = s, neg = wnum = 0; *e && *e != ';'; e++) {
1072             if (*e == '-') {
1073                 neg = 1;
1074                 continue;
1075             }
1076 
1077             if (*e == '/') {
1078                 /*
1079                  * Move the the denominator of the fraction.
1080                  */
1081                 if (neg)
1082                   number[wnum] *= -1;
1083                 neg = 0;
1084                 e++;
1085                 wnum++;
1086             }
1087             number[wnum] = (number[wnum] * 10) + (*e - '0');
1088         }
1089 
1090         if (e > s) {
1091             /*
1092              * Adjust the denominator in case of integers and add the number.
1093              */
1094             if (wnum == 0)
1095               number[1] = 1;
1096 
1097             add_number(code, number[0], number[1]);
1098         }
1099 
1100         /*
1101          * Skip to the start of the possible case mappings.
1102          */
1103         for (s = e, i = 0; i < 4 && *s; s++) {
1104             if (*s == ';')
1105               i++;
1106         }
1107 
1108         /*
1109          * Collect the case mappings.
1110          */
1111         cases[0] = cases[1] = cases[2] = 0;
1112         for (i = 0; i < 3; i++) {
1113             while (ishdigit(*s)) {
1114                 cases[i] <<= 4;
1115                 if (*s >= '0' && *s <= '9')
1116                   cases[i] += *s - '0';
1117                 else if (*s >= 'A' && *s <= 'F')
1118                   cases[i] += (*s - 'A') + 10;
1119                 else if (*s >= 'a' && *s <= 'f')
1120                   cases[i] += (*s - 'a') + 10;
1121                 s++;
1122             }
1123             if (*s == ';')
1124               s++;
1125         }
1126         if (!strncmp(first_prop,"Lt",2) && (cases[0] || cases[1]))
1127           /*
1128            * Add the upper and lower mappings for a title case character.
1129            */
1130           add_title(code);
1131         else if (cases[1])
1132           /*
1133            * Add the lower and title case mappings for the upper case
1134            * character.
1135            */
1136           add_upper(code);
1137         else if (cases[0])
1138           /*
1139            * Add the upper and title case mappings for the lower case
1140            * character.
1141            */
1142           add_lower(code);
1143     }
1144 }
1145 
1146 static _decomp_t *
find_decomp(ac_uint4 code,short compat)1147 find_decomp(ac_uint4 code, short compat)
1148 {
1149     long l, r, m;
1150     _decomp_t *decs;
1151 
1152     l = 0;
1153     r = (compat ? kdecomps_used : decomps_used) - 1;
1154     decs = compat ? kdecomps : decomps;
1155     while (l <= r) {
1156         m = (l + r) >> 1;
1157         if (code > decs[m].code)
1158           l = m + 1;
1159         else if (code < decs[m].code)
1160           r = m - 1;
1161         else
1162           return &decs[m];
1163     }
1164     return 0;
1165 }
1166 
1167 static void
decomp_it(_decomp_t * d,short compat)1168 decomp_it(_decomp_t *d, short compat)
1169 {
1170     ac_uint4 i;
1171     _decomp_t *dp;
1172 
1173     for (i = 0; i < d->used; i++) {
1174         if ((dp = find_decomp(d->decomp[i], compat)) != 0)
1175           decomp_it(dp, compat);
1176         else
1177           dectmp[dectmp_size++] = d->decomp[i];
1178     }
1179 }
1180 
1181 /*
1182  * Expand all decompositions by recursively decomposing each character
1183  * in the decomposition.
1184  */
1185 static void
expand_decomp(void)1186 expand_decomp(void)
1187 {
1188     ac_uint4 i;
1189 
1190     for (i = 0; i < decomps_used; i++) {
1191         dectmp_size = 0;
1192         decomp_it(&decomps[i], 0);
1193         if (dectmp_size > 0)
1194           add_decomp(decomps[i].code, 0);
1195     }
1196 
1197     for (i = 0; i < kdecomps_used; i++) {
1198         dectmp_size = 0;
1199         decomp_it(&kdecomps[i], 1);
1200         if (dectmp_size > 0)
1201           add_decomp(kdecomps[i].code, 1);
1202     }
1203 }
1204 
1205 static int
cmpcomps(const void * v_comp1,const void * v_comp2)1206 cmpcomps(const void *v_comp1, const void *v_comp2)
1207 {
1208 	const _comp_t *comp1 = v_comp1, *comp2 = v_comp2;
1209     long diff = comp1->code1 - comp2->code1;
1210 
1211     if (!diff)
1212 	diff = comp1->code2 - comp2->code2;
1213     return (int) diff;
1214 }
1215 
1216 /*
1217  * Load composition exclusion data
1218  */
1219 static void
read_compexdata(FILE * in)1220 read_compexdata(FILE *in)
1221 {
1222     ac_uint2 i;
1223     ac_uint4 code;
1224     char line[512], *s;
1225 
1226     (void) memset((char *) compexs, 0, sizeof(compexs));
1227 
1228     while (fgets(line, sizeof(line), in)) {
1229 	if( (s=strchr(line, '\n')) ) *s = '\0';
1230         /*
1231          * Skip blank lines and lines that start with a '#'.
1232          */
1233         if (line[0] == 0 || line[0] == '#')
1234 	    continue;
1235 
1236 	/*
1237          * Collect the code.  Assume max 6 digits
1238          */
1239 
1240 	for (s = line, i = code = 0; *s != '#' && i < 6; i++, s++) {
1241 	    if (isspace((unsigned char)*s)) break;
1242             code <<= 4;
1243             if (*s >= '0' && *s <= '9')
1244 		code += *s - '0';
1245             else if (*s >= 'A' && *s <= 'F')
1246 		code += (*s - 'A') + 10;
1247             else if (*s >= 'a' && *s <= 'f')
1248 		code += (*s - 'a') + 10;
1249         }
1250         COMPEX_SET(code);
1251     }
1252 }
1253 
1254 /*
1255  * Creates array of compositions from decomposition array
1256  */
1257 static void
create_comps(void)1258 create_comps(void)
1259 {
1260     ac_uint4 i, cu;
1261 
1262     comps = (_comp_t *) malloc(comps_used * sizeof(_comp_t));
1263 
1264     for (i = cu = 0; i < decomps_used; i++) {
1265 	if (decomps[i].used != 2 || COMPEX_TEST(decomps[i].code))
1266 	    continue;
1267 	comps[cu].comp = decomps[i].code;
1268 	comps[cu].count = 2;
1269 	comps[cu].code1 = decomps[i].decomp[0];
1270 	comps[cu].code2 = decomps[i].decomp[1];
1271 	cu++;
1272     }
1273     comps_used = cu;
1274     qsort(comps, comps_used, sizeof(_comp_t), cmpcomps);
1275 }
1276 
1277 #if HARDCODE_DATA
1278 static void
write_case(FILE * out,_case_t * tab,int num,int first)1279 write_case(FILE *out, _case_t *tab, int num, int first)
1280 {
1281     int i;
1282 
1283     for (i=0; i<num; i++) {
1284 	if (first) first = 0;
1285 	else fprintf(out, ",");
1286 	fprintf(out, "\n\t0x%08lx, 0x%08lx, 0x%08lx",
1287 		(unsigned long) tab[i].key, (unsigned long) tab[i].other1,
1288 		(unsigned long) tab[i].other2);
1289     }
1290 }
1291 
1292 #define PREF "static const "
1293 
1294 #endif
1295 
1296 static void
write_cdata(char * opath)1297 write_cdata(char *opath)
1298 {
1299     FILE *out;
1300 	ac_uint4 bytes;
1301     ac_uint4 i, idx, nprops;
1302 #if !(HARDCODE_DATA)
1303     ac_uint2 casecnt[2];
1304 #endif
1305     char path[BUFSIZ];
1306 #if HARDCODE_DATA
1307     int j, k;
1308 
1309     /*****************************************************************
1310      *
1311      * Generate the ctype data.
1312      *
1313      *****************************************************************/
1314 
1315     /*
1316      * Open the output file.
1317      */
1318     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "uctable.h", opath);
1319     if ((out = fopen(path, "w")) == 0)
1320       return;
1321 #else
1322     /*
1323      * Open the ctype.dat file.
1324      */
1325     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "ctype.dat", opath);
1326     if ((out = fopen(path, "wb")) == 0)
1327       return;
1328 #endif
1329 
1330     /*
1331      * Collect the offsets for the properties.  The offsets array is
1332      * on a 4-byte boundary to keep things efficient for architectures
1333      * that need such a thing.
1334      */
1335     for (i = idx = 0; i < NUMPROPS; i++) {
1336         propcnt[i] = (proptbl[i].used != 0) ? idx : 0xffff;
1337         idx += proptbl[i].used;
1338     }
1339 
1340     /*
1341      * Add the sentinel index which is used by the binary search as the upper
1342      * bound for a search.
1343      */
1344     propcnt[i] = idx;
1345 
1346     /*
1347      * Record the actual number of property lists.  This may be different than
1348      * the number of offsets actually written because of aligning on a 4-byte
1349      * boundary.
1350      */
1351     hdr[1] = NUMPROPS;
1352 
1353     /*
1354      * Calculate the byte count needed and pad the property counts array to a
1355      * 4-byte boundary.
1356      */
1357     if ((bytes = sizeof(ac_uint2) * (NUMPROPS + 1)) & 3)
1358       bytes += 4 - (bytes & 3);
1359     nprops = bytes / sizeof(ac_uint2);
1360     bytes += sizeof(ac_uint4) * idx;
1361 
1362 #if HARDCODE_DATA
1363     fprintf(out, PREF "ac_uint4 _ucprop_size = %d;\n\n", NUMPROPS);
1364 
1365     fprintf(out, PREF "ac_uint2 _ucprop_offsets[] = {");
1366 
1367     for (i = 0; i<nprops; i++) {
1368        if (i) fprintf(out, ",");
1369        if (!(i&7)) fprintf(out, "\n\t");
1370        else fprintf(out, " ");
1371        fprintf(out, "0x%04x", propcnt[i]);
1372     }
1373     fprintf(out, "\n};\n\n");
1374 
1375     fprintf(out, PREF "ac_uint4 _ucprop_ranges[] = {");
1376 
1377     k = 0;
1378     for (i = 0; i < NUMPROPS; i++) {
1379 	if (proptbl[i].used > 0) {
1380 	  for (j=0; j<proptbl[i].used; j++) {
1381 	    if (k) fprintf(out, ",");
1382 	    if (!(k&3)) fprintf(out,"\n\t");
1383 	    else fprintf(out, " ");
1384 	    k++;
1385 	    fprintf(out, "0x%08lx", (unsigned long) proptbl[i].ranges[j]);
1386 	  }
1387 	}
1388     }
1389     fprintf(out, "\n};\n\n");
1390 #else
1391     /*
1392      * Write the header.
1393      */
1394     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1395 
1396     /*
1397      * Write the byte count.
1398      */
1399     fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1400 
1401     /*
1402      * Write the property list counts.
1403      */
1404     fwrite((char *) propcnt, sizeof(ac_uint2), nprops, out);
1405 
1406     /*
1407      * Write the property lists.
1408      */
1409     for (i = 0; i < NUMPROPS; i++) {
1410         if (proptbl[i].used > 0)
1411           fwrite((char *) proptbl[i].ranges, sizeof(ac_uint4),
1412                  proptbl[i].used, out);
1413     }
1414 
1415     fclose(out);
1416 #endif
1417 
1418     /*****************************************************************
1419      *
1420      * Generate the case mapping data.
1421      *
1422      *****************************************************************/
1423 
1424 #if HARDCODE_DATA
1425     fprintf(out, PREF "ac_uint4 _uccase_size = %ld;\n\n",
1426         (long) (upper_used + lower_used + title_used));
1427 
1428     fprintf(out, PREF "ac_uint2 _uccase_len[2] = {%ld, %ld};\n\n",
1429         (long) upper_used, (long) lower_used);
1430     fprintf(out, PREF "ac_uint4 _uccase_map[] = {");
1431 
1432     if (upper_used > 0)
1433       /*
1434        * Write the upper case table.
1435        */
1436       write_case(out, upper, upper_used, 1);
1437 
1438     if (lower_used > 0)
1439       /*
1440        * Write the lower case table.
1441        */
1442       write_case(out, lower, lower_used, !upper_used);
1443 
1444     if (title_used > 0)
1445       /*
1446        * Write the title case table.
1447        */
1448       write_case(out, title, title_used, !(upper_used||lower_used));
1449 
1450     if (!(upper_used || lower_used || title_used))
1451 	fprintf(out, "\t0");
1452 
1453     fprintf(out, "\n};\n\n");
1454 #else
1455     /*
1456      * Open the case.dat file.
1457      */
1458     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "case.dat", opath);
1459     if ((out = fopen(path, "wb")) == 0)
1460       return;
1461 
1462     /*
1463      * Write the case mapping tables.
1464      */
1465     hdr[1] = upper_used + lower_used + title_used;
1466     casecnt[0] = upper_used;
1467     casecnt[1] = lower_used;
1468 
1469     /*
1470      * Write the header.
1471      */
1472     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1473 
1474     /*
1475      * Write the upper and lower case table sizes.
1476      */
1477     fwrite((char *) casecnt, sizeof(ac_uint2), 2, out);
1478 
1479     if (upper_used > 0)
1480       /*
1481        * Write the upper case table.
1482        */
1483       fwrite((char *) upper, sizeof(_case_t), upper_used, out);
1484 
1485     if (lower_used > 0)
1486       /*
1487        * Write the lower case table.
1488        */
1489       fwrite((char *) lower, sizeof(_case_t), lower_used, out);
1490 
1491     if (title_used > 0)
1492       /*
1493        * Write the title case table.
1494        */
1495       fwrite((char *) title, sizeof(_case_t), title_used, out);
1496 
1497     fclose(out);
1498 #endif
1499 
1500     /*****************************************************************
1501      *
1502      * Generate the composition data.
1503      *
1504      *****************************************************************/
1505 
1506     /*
1507      * Create compositions from decomposition data
1508      */
1509     create_comps();
1510 
1511 #if HARDCODE_DATA
1512     fprintf(out, PREF "ac_uint4 _uccomp_size = %ld;\n\n",
1513         comps_used * 4L);
1514 
1515     fprintf(out, PREF "ac_uint4 _uccomp_data[] = {");
1516 
1517      /*
1518       * Now, if comps exist, write them out.
1519       */
1520     if (comps_used > 0) {
1521 	for (i=0; i<comps_used; i++) {
1522 	    if (i) fprintf(out, ",");
1523 	    fprintf(out, "\n\t0x%08lx, 0x%08lx, 0x%08lx, 0x%08lx",
1524 	        (unsigned long) comps[i].comp, (unsigned long) comps[i].count,
1525 	        (unsigned long) comps[i].code1, (unsigned long) comps[i].code2);
1526 	}
1527     } else {
1528 	fprintf(out, "\t0");
1529     }
1530     fprintf(out, "\n};\n\n");
1531 #else
1532     /*
1533      * Open the comp.dat file.
1534      */
1535     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "comp.dat", opath);
1536     if ((out = fopen(path, "wb")) == 0)
1537 	return;
1538 
1539     /*
1540      * Write the header.
1541      */
1542     hdr[1] = (ac_uint2) comps_used * 4;
1543     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1544 
1545     /*
1546      * Write out the byte count to maintain header size.
1547      */
1548     bytes = comps_used * sizeof(_comp_t);
1549     fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1550 
1551     /*
1552      * Now, if comps exist, write them out.
1553      */
1554     if (comps_used > 0)
1555         fwrite((char *) comps, sizeof(_comp_t), comps_used, out);
1556 
1557     fclose(out);
1558 #endif
1559 
1560     /*****************************************************************
1561      *
1562      * Generate the decomposition data.
1563      *
1564      *****************************************************************/
1565 
1566     /*
1567      * Fully expand all decompositions before generating the output file.
1568      */
1569     expand_decomp();
1570 
1571 #if HARDCODE_DATA
1572     fprintf(out, PREF "ac_uint4 _ucdcmp_size = %ld;\n\n",
1573         decomps_used * 2L);
1574 
1575     fprintf(out, PREF "ac_uint4 _ucdcmp_nodes[] = {");
1576 
1577     if (decomps_used) {
1578 	/*
1579 	 * Write the list of decomp nodes.
1580 	 */
1581 	for (i = idx = 0; i < decomps_used; i++) {
1582 	    fprintf(out, "\n\t0x%08lx, 0x%08lx,",
1583 	        (unsigned long) decomps[i].code, (unsigned long) idx);
1584 	    idx += decomps[i].used;
1585 	}
1586 
1587 	/*
1588 	 * Write the sentinel index as the last decomp node.
1589 	 */
1590 	fprintf(out, "\n\t0x%08lx\n};\n\n", (unsigned long) idx);
1591 
1592 	fprintf(out, PREF "ac_uint4 _ucdcmp_decomp[] = {");
1593 	/*
1594 	 * Write the decompositions themselves.
1595 	 */
1596 	k = 0;
1597 	for (i = 0; i < decomps_used; i++)
1598 	  for (j=0; j<decomps[i].used; j++) {
1599 	    if (k) fprintf(out, ",");
1600 	    if (!(k&3)) fprintf(out,"\n\t");
1601 	    else fprintf(out, " ");
1602 	    k++;
1603 	    fprintf(out, "0x%08lx", (unsigned long) decomps[i].decomp[j]);
1604 	  }
1605 	fprintf(out, "\n};\n\n");
1606     }
1607 #else
1608     /*
1609      * Open the decomp.dat file.
1610      */
1611     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "decomp.dat", opath);
1612     if ((out = fopen(path, "wb")) == 0)
1613       return;
1614 
1615     hdr[1] = decomps_used;
1616 
1617     /*
1618      * Write the header.
1619      */
1620     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1621 
1622     /*
1623      * Write a temporary byte count which will be calculated as the
1624      * decompositions are written out.
1625      */
1626     bytes = 0;
1627     fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1628 
1629     if (decomps_used) {
1630         /*
1631          * Write the list of decomp nodes.
1632          */
1633         for (i = idx = 0; i < decomps_used; i++) {
1634             fwrite((char *) &decomps[i].code, sizeof(ac_uint4), 1, out);
1635             fwrite((char *) &idx, sizeof(ac_uint4), 1, out);
1636             idx += decomps[i].used;
1637         }
1638 
1639         /*
1640          * Write the sentinel index as the last decomp node.
1641          */
1642         fwrite((char *) &idx, sizeof(ac_uint4), 1, out);
1643 
1644         /*
1645          * Write the decompositions themselves.
1646          */
1647         for (i = 0; i < decomps_used; i++)
1648           fwrite((char *) decomps[i].decomp, sizeof(ac_uint4),
1649                  decomps[i].used, out);
1650 
1651         /*
1652          * Seek back to the beginning and write the byte count.
1653          */
1654         bytes = (sizeof(ac_uint4) * idx) +
1655             (sizeof(ac_uint4) * ((hdr[1] << 1) + 1));
1656         fseek(out, sizeof(ac_uint2) << 1, 0L);
1657         fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1658 
1659         fclose(out);
1660     }
1661 #endif
1662 
1663 #ifdef HARDCODE_DATA
1664     fprintf(out, PREF "ac_uint4 _uckdcmp_size = %ld;\n\n",
1665         kdecomps_used * 2L);
1666 
1667     fprintf(out, PREF "ac_uint4 _uckdcmp_nodes[] = {");
1668 
1669     if (kdecomps_used) {
1670 	/*
1671 	 * Write the list of kdecomp nodes.
1672 	 */
1673 	for (i = idx = 0; i < kdecomps_used; i++) {
1674 	    fprintf(out, "\n\t0x%08lx, 0x%08lx,",
1675 	        (unsigned long) kdecomps[i].code, (unsigned long) idx);
1676 	    idx += kdecomps[i].used;
1677 	}
1678 
1679 	/*
1680 	 * Write the sentinel index as the last decomp node.
1681 	 */
1682 	fprintf(out, "\n\t0x%08lx\n};\n\n", (unsigned long) idx);
1683 
1684 	fprintf(out, PREF "ac_uint4 _uckdcmp_decomp[] = {");
1685 
1686 	/*
1687 	 * Write the decompositions themselves.
1688 	 */
1689 	k = 0;
1690 	for (i = 0; i < kdecomps_used; i++)
1691 	  for (j=0; j<kdecomps[i].used; j++) {
1692 	    if (k) fprintf(out, ",");
1693 	    if (!(k&3)) fprintf(out,"\n\t");
1694 	    else fprintf(out, " ");
1695 	    k++;
1696 	    fprintf(out, "0x%08lx", (unsigned long) kdecomps[i].decomp[j]);
1697 	  }
1698 	fprintf(out, "\n};\n\n");
1699     }
1700 #else
1701     /*
1702      * Open the kdecomp.dat file.
1703      */
1704     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "kdecomp.dat", opath);
1705     if ((out = fopen(path, "wb")) == 0)
1706       return;
1707 
1708     hdr[1] = kdecomps_used;
1709 
1710     /*
1711      * Write the header.
1712      */
1713     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1714 
1715     /*
1716      * Write a temporary byte count which will be calculated as the
1717      * decompositions are written out.
1718      */
1719     bytes = 0;
1720     fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1721 
1722     if (kdecomps_used) {
1723         /*
1724          * Write the list of kdecomp nodes.
1725          */
1726         for (i = idx = 0; i < kdecomps_used; i++) {
1727             fwrite((char *) &kdecomps[i].code, sizeof(ac_uint4), 1, out);
1728             fwrite((char *) &idx, sizeof(ac_uint4), 1, out);
1729             idx += kdecomps[i].used;
1730         }
1731 
1732         /*
1733          * Write the sentinel index as the last decomp node.
1734          */
1735         fwrite((char *) &idx, sizeof(ac_uint4), 1, out);
1736 
1737         /*
1738          * Write the decompositions themselves.
1739          */
1740         for (i = 0; i < kdecomps_used; i++)
1741           fwrite((char *) kdecomps[i].decomp, sizeof(ac_uint4),
1742                  kdecomps[i].used, out);
1743 
1744         /*
1745          * Seek back to the beginning and write the byte count.
1746          */
1747         bytes = (sizeof(ac_uint4) * idx) +
1748             (sizeof(ac_uint4) * ((hdr[1] << 1) + 1));
1749         fseek(out, sizeof(ac_uint2) << 1, 0L);
1750         fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1751 
1752         fclose(out);
1753     }
1754 #endif
1755 
1756     /*****************************************************************
1757      *
1758      * Generate the combining class data.
1759      *
1760      *****************************************************************/
1761 #ifdef HARDCODE_DATA
1762     fprintf(out, PREF "ac_uint4 _uccmcl_size = %ld;\n\n", (long) ccl_used);
1763 
1764     fprintf(out, PREF "ac_uint4 _uccmcl_nodes[] = {");
1765 
1766     if (ccl_used > 0) {
1767 	/*
1768 	 * Write the combining class ranges out.
1769 	 */
1770 	for (i = 0; i<ccl_used; i++) {
1771 	    if (i) fprintf(out, ",");
1772 	    if (!(i&3)) fprintf(out, "\n\t");
1773 	    else fprintf(out, " ");
1774 	    fprintf(out, "0x%08lx", (unsigned long) ccl[i]);
1775 	}
1776     } else {
1777 	fprintf(out, "\t0");
1778     }
1779     fprintf(out, "\n};\n\n");
1780 #else
1781     /*
1782      * Open the cmbcl.dat file.
1783      */
1784     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "cmbcl.dat", opath);
1785     if ((out = fopen(path, "wb")) == 0)
1786       return;
1787 
1788     /*
1789      * Set the number of ranges used.  Each range has a combining class which
1790      * means each entry is a 3-tuple.
1791      */
1792     hdr[1] = ccl_used / 3;
1793 
1794     /*
1795      * Write the header.
1796      */
1797     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1798 
1799     /*
1800      * Write out the byte count to maintain header size.
1801      */
1802     bytes = ccl_used * sizeof(ac_uint4);
1803     fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1804 
1805     if (ccl_used > 0)
1806       /*
1807        * Write the combining class ranges out.
1808        */
1809       fwrite((char *) ccl, sizeof(ac_uint4), ccl_used, out);
1810 
1811     fclose(out);
1812 #endif
1813 
1814     /*****************************************************************
1815      *
1816      * Generate the number data.
1817      *
1818      *****************************************************************/
1819 
1820 #if HARDCODE_DATA
1821     fprintf(out, PREF "ac_uint4 _ucnum_size = %lu;\n\n",
1822         (unsigned long)ncodes_used<<1);
1823 
1824     fprintf(out, PREF "ac_uint4 _ucnum_nodes[] = {");
1825 
1826     /*
1827      * Now, if number mappings exist, write them out.
1828      */
1829     if (ncodes_used > 0) {
1830 	for (i = 0; i<ncodes_used; i++) {
1831 	    if (i) fprintf(out, ",");
1832 	    if (!(i&1)) fprintf(out, "\n\t");
1833 	    else fprintf(out, " ");
1834 	    fprintf(out, "0x%08lx, 0x%08lx",
1835 	        (unsigned long) ncodes[i].code, (unsigned long) ncodes[i].idx);
1836 	}
1837 	fprintf(out, "\n};\n\n");
1838 
1839 	fprintf(out, PREF "short _ucnum_vals[] = {");
1840 	for (i = 0; i<nums_used; i++) {
1841 	    if (i) fprintf(out, ",");
1842 	    if (!(i&3)) fprintf(out, "\n\t");
1843 	    else fprintf(out, " ");
1844 	    if (nums[i].numerator < 0) {
1845 		fprintf(out, "%6d, 0x%04x",
1846 		  nums[i].numerator, nums[i].denominator);
1847 	    } else {
1848 		fprintf(out, "0x%04x, 0x%04x",
1849 		  nums[i].numerator, nums[i].denominator);
1850 	    }
1851 	}
1852 	fprintf(out, "\n};\n\n");
1853     }
1854 #else
1855     /*
1856      * Open the num.dat file.
1857      */
1858     snprintf(path, sizeof path, "%s" LDAP_DIRSEP "num.dat", opath);
1859     if ((out = fopen(path, "wb")) == 0)
1860       return;
1861 
1862     /*
1863      * The count part of the header will be the total number of codes that
1864      * have numbers.
1865      */
1866     hdr[1] = (ac_uint2) (ncodes_used << 1);
1867     bytes = (ncodes_used * sizeof(_codeidx_t)) + (nums_used * sizeof(_num_t));
1868 
1869     /*
1870      * Write the header.
1871      */
1872     fwrite((char *) hdr, sizeof(ac_uint2), 2, out);
1873 
1874     /*
1875      * Write out the byte count to maintain header size.
1876      */
1877     fwrite((char *) &bytes, sizeof(ac_uint4), 1, out);
1878 
1879     /*
1880      * Now, if number mappings exist, write them out.
1881      */
1882     if (ncodes_used > 0) {
1883         fwrite((char *) ncodes, sizeof(_codeidx_t), ncodes_used, out);
1884         fwrite((char *) nums, sizeof(_num_t), nums_used, out);
1885     }
1886 #endif
1887 
1888     fclose(out);
1889 }
1890 
1891 static void
usage(char * prog)1892 usage(char *prog)
1893 {
1894     fprintf(stderr,
1895             "Usage: %s [-o output-directory|-x composition-exclusions]", prog);
1896     fprintf(stderr, " datafile1 datafile2 ...\n\n");
1897     fprintf(stderr,
1898             "-o output-directory\n\t\tWrite the output files to a different");
1899     fprintf(stderr, " directory (default: .).\n");
1900     fprintf(stderr,
1901             "-x composition-exclusion\n\t\tFile of composition codes");
1902     fprintf(stderr, " that should be excluded.\n");
1903     exit(1);
1904 }
1905 
1906 int
main(int argc,char * argv[])1907 main(int argc, char *argv[])
1908 {
1909     FILE *in;
1910     char *prog, *opath;
1911 
1912     prog = lutil_progname( "ucgendat", argc, argv );
1913 
1914     opath = 0;
1915     in = stdin;
1916 
1917     argc--;
1918     argv++;
1919 
1920     while (argc > 0) {
1921         if (argv[0][0] == '-') {
1922             switch (argv[0][1]) {
1923               case 'o':
1924                 argc--;
1925                 argv++;
1926                 opath = argv[0];
1927                 break;
1928               case 'x':
1929                 argc--;
1930                 argv++;
1931                 if ((in = fopen(argv[0], "r")) == 0)
1932                   fprintf(stderr,
1933                           "%s: unable to open composition exclusion file %s\n",
1934                           prog, argv[0]);
1935                 else {
1936                     read_compexdata(in);
1937                     fclose(in);
1938                     in = 0;
1939                 }
1940                 break;
1941               default:
1942                 usage(prog);
1943             }
1944         } else {
1945             if (in != stdin && in != NULL)
1946               fclose(in);
1947             if ((in = fopen(argv[0], "r")) == 0)
1948               fprintf(stderr, "%s: unable to open ctype file %s\n",
1949                       prog, argv[0]);
1950             else {
1951                 read_cdata(in);
1952                 fclose(in);
1953                 in = 0;
1954 	    }
1955         }
1956         argc--;
1957         argv++;
1958     }
1959 
1960     if (opath == 0)
1961       opath = ".";
1962     write_cdata(opath);
1963 
1964     return 0;
1965 }
1966