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1 /***********************************************************************
2  * © 2016 and later: Unicode, Inc. and others.
3  * License & terms of use: http://www.unicode.org/copyright.html#License
4  ***********************************************************************
5  ***********************************************************************
6  * COPYRIGHT:
7  * Copyright (C) 2001-2012 IBM, Inc.   All Rights Reserved.
8  *
9  ***********************************************************************/
10 /********************************************************************************
11 *
12 * File CALLCOLL.C
13 *
14 * Modification History:
15 *        Name                     Description
16 *     Andy Heninger             First Version
17 *
18 *********************************************************************************
19 */
20 
21 //
22 //  This program tests string collation and sort key generation performance.
23 //      Three APIs can be teste: ICU C , Unix strcoll, strxfrm and Windows LCMapString
24 //      A file of names is required as input, one per line.  It must be in utf-8 or utf-16 format,
25 //      and include a byte order mark.  Either LE or BE format is OK.
26 //
27 
28 const char gUsageString[] =
29  "usage:  collperf options...\n"
30     "-help                      Display this message.\n"
31     "-file file_name            utf-16 format file of names.\n"
32     "-locale name               ICU locale to use.  Default is en_US\n"
33     "-rules file_name           Collation rules file (overrides locale)\n"
34     "-langid 0x1234             Windows Language ID number.  Default to value for -locale option\n"
35     "                              see http://msdn.microsoft.com/library/psdk/winbase/nls_8xo3.htm\n"
36     "-win                       Run test using Windows native services.  (ICU is default)\n"
37     "-unix                      Run test using Unix strxfrm, strcoll services.\n"
38     "-uselen                    Use API with string lengths.  Default is null-terminated strings\n"
39     "-usekeys                   Run tests using sortkeys rather than strcoll\n"
40     "-strcmp                    Run tests using u_strcmp rather than strcoll\n"
41     "-strcmpCPO                 Run tests using u_strcmpCodePointOrder rather than strcoll\n"
42     "-loop nnnn                 Loopcount for test.  Adjust for reasonable total running time.\n"
43     "-iloop n                   Inner Loop Count.  Default = 1.  Number of calls to function\n"
44     "                               under test at each call point.  For measuring test overhead.\n"
45     "-terse                     Terse numbers-only output.  Intended for use by scripts.\n"
46     "-french                    French accent ordering\n"
47     "-frenchoff                 No French accent ordering (for use with French locales.)\n"
48     "-norm                      Normalizing mode on\n"
49     "-shifted                   Shifted mode\n"
50     "-lower                     Lower case first\n"
51     "-upper                     Upper case first\n"
52     "-case                      Enable separate case level\n"
53     "-level n                   Sort level, 1 to 5, for Primary, Secndary, Tertiary, Quaternary, Identical\n"
54     "-keyhist                   Produce a table sort key size vs. string length\n"
55     "-binsearch                 Binary Search timing test\n"
56     "-keygen                    Sort Key Generation timing test\n"
57     "-qsort                     Quicksort timing test\n"
58     "-iter                      Iteration Performance Test\n"
59     "-dump                      Display strings, sort keys and CEs.\n"
60     ;
61 
62 
63 
64 #include <stdio.h>
65 #include <string.h>
66 #include <stdlib.h>
67 #include <math.h>
68 #include <locale.h>
69 #include <errno.h>
70 
71 #include <unicode/utypes.h>
72 #include <unicode/ucol.h>
73 #include <unicode/ucoleitr.h>
74 #include <unicode/uloc.h>
75 #include <unicode/ustring.h>
76 #include <unicode/ures.h>
77 #include <unicode/uchar.h>
78 #include <unicode/ucnv.h>
79 #include <unicode/utf8.h>
80 
81 #ifdef WIN32
82 #include <windows.h>
83 #else
84 //
85 //  Stubs for Windows API functions when building on UNIXes.
86 //
87 typedef int DWORD;
CompareStringW(DWORD,DWORD,UChar *,int,UChar *,int)88 inline int CompareStringW(DWORD, DWORD, UChar *, int, UChar *, int) {return 0;}
89 #include <sys/time.h>
timeGetTime()90 unsigned long timeGetTime() {
91     struct timeval t;
92     gettimeofday(&t, 0);
93     unsigned long val = t.tv_sec * 1000;  // Let it overflow.  Who cares.
94     val += t.tv_usec / 1000;
95     return val;
96 }
LCMapStringW(DWORD,DWORD,UChar *,int,UChar *,int)97 inline int LCMapStringW(DWORD, DWORD, UChar *, int, UChar *, int) {return 0;}
98 const int LCMAP_SORTKEY = 0;
99 #define MAKELCID(a,b) 0
100 const int SORT_DEFAULT = 0;
101 #endif
102 
103 
104 
105 //
106 //  Command line option variables
107 //     These global variables are set according to the options specified
108 //     on the command line by the user.
109 char * opt_fName      = 0;
110 const char * opt_locale     = "en_US";
111 int    opt_langid     = 0;         // Defaults to value corresponding to opt_locale.
112 char * opt_rules      = 0;
113 UBool  opt_help       = FALSE;
114 int    opt_loopCount  = 1;
115 int    opt_iLoopCount = 1;
116 UBool  opt_terse      = FALSE;
117 UBool  opt_qsort      = FALSE;
118 UBool  opt_binsearch  = FALSE;
119 UBool  opt_icu        = TRUE;
120 UBool  opt_win        = FALSE;      // Run with Windows native functions.
121 UBool  opt_unix       = FALSE;      // Run with UNIX strcoll, strxfrm functions.
122 UBool  opt_uselen     = FALSE;
123 UBool  opt_usekeys    = FALSE;
124 UBool  opt_strcmp     = FALSE;
125 UBool  opt_strcmpCPO  = FALSE;
126 UBool  opt_norm       = FALSE;
127 UBool  opt_keygen     = FALSE;
128 UBool  opt_french     = FALSE;
129 UBool  opt_frenchoff  = FALSE;
130 UBool  opt_shifted    = FALSE;
131 UBool  opt_lower      = FALSE;
132 UBool  opt_upper      = FALSE;
133 UBool  opt_case       = FALSE;
134 int    opt_level      = 0;
135 UBool  opt_keyhist    = FALSE;
136 UBool  opt_itertest   = FALSE;
137 UBool  opt_dump       = FALSE;
138 
139 
140 
141 //
142 //   Definitions for the command line options
143 //
144 struct OptSpec {
145     const char *name;
146     enum {FLAG, NUM, STRING} type;
147     void *pVar;
148 };
149 
150 OptSpec opts[] = {
151     {"-file",        OptSpec::STRING, &opt_fName},
152     {"-locale",      OptSpec::STRING, &opt_locale},
153     {"-langid",      OptSpec::NUM,    &opt_langid},
154     {"-rules",       OptSpec::STRING, &opt_rules},
155     {"-qsort",       OptSpec::FLAG,   &opt_qsort},
156     {"-binsearch",   OptSpec::FLAG,   &opt_binsearch},
157     {"-iter",        OptSpec::FLAG,   &opt_itertest},
158     {"-win",         OptSpec::FLAG,   &opt_win},
159     {"-unix",        OptSpec::FLAG,   &opt_unix},
160     {"-uselen",      OptSpec::FLAG,   &opt_uselen},
161     {"-usekeys",     OptSpec::FLAG,   &opt_usekeys},
162     {"-strcmp",      OptSpec::FLAG,   &opt_strcmp},
163     {"-strcmpCPO",   OptSpec::FLAG,   &opt_strcmpCPO},
164     {"-norm",        OptSpec::FLAG,   &opt_norm},
165     {"-french",      OptSpec::FLAG,   &opt_french},
166     {"-frenchoff",   OptSpec::FLAG,   &opt_frenchoff},
167     {"-shifted",     OptSpec::FLAG,   &opt_shifted},
168     {"-lower",       OptSpec::FLAG,   &opt_lower},
169     {"-upper",       OptSpec::FLAG,   &opt_upper},
170     {"-case",        OptSpec::FLAG,   &opt_case},
171     {"-level",       OptSpec::NUM,    &opt_level},
172     {"-keyhist",     OptSpec::FLAG,   &opt_keyhist},
173     {"-keygen",      OptSpec::FLAG,   &opt_keygen},
174     {"-loop",        OptSpec::NUM,    &opt_loopCount},
175     {"-iloop",       OptSpec::NUM,    &opt_iLoopCount},
176     {"-terse",       OptSpec::FLAG,   &opt_terse},
177     {"-dump",        OptSpec::FLAG,   &opt_dump},
178     {"-help",        OptSpec::FLAG,   &opt_help},
179     {"-?",           OptSpec::FLAG,   &opt_help},
180     {0, OptSpec::FLAG, 0}
181 };
182 
183 
184 //---------------------------------------------------------------------------
185 //
186 //  Global variables pointing to and describing the test file
187 //
188 //---------------------------------------------------------------------------
189 
190 //
191 //   struct Line
192 //
193 //      Each line from the source file (containing a name, presumably) gets
194 //      one of these structs.
195 //
196 struct  Line {
197     UChar     *name;
198     int        len;
199     char      *winSortKey;
200     char      *icuSortKey;
201     char      *unixSortKey;
202     char      *unixName;
203 };
204 
205 
206 
207 Line          *gFileLines;           // Ptr to array of Line structs, one per line in the file.
208 int            gNumFileLines;
209 UCollator     *gCol;
210 DWORD          gWinLCID;
211 
212 Line          **gSortedLines;
213 Line          **gRandomLines;
214 int            gCount;
215 
216 
217 
218 //---------------------------------------------------------------------------
219 //
220 //  ProcessOptions()    Function to read the command line options.
221 //
222 //---------------------------------------------------------------------------
ProcessOptions(int argc,const char ** argv,OptSpec opts[])223 UBool ProcessOptions(int argc, const char **argv, OptSpec opts[])
224 {
225     int         i;
226     int         argNum;
227     const char  *pArgName;
228     OptSpec    *pOpt;
229 
230     for (argNum=1; argNum<argc; argNum++) {
231         pArgName = argv[argNum];
232         for (pOpt = opts;  pOpt->name != 0; pOpt++) {
233             if (strcmp(pOpt->name, pArgName) == 0) {
234                 switch (pOpt->type) {
235                 case OptSpec::FLAG:
236                     *(UBool *)(pOpt->pVar) = TRUE;
237                     break;
238                 case OptSpec::STRING:
239                     argNum ++;
240                     if (argNum >= argc) {
241                         fprintf(stderr, "value expected for \"%s\" option.\n", pOpt->name);
242                         return FALSE;
243                     }
244                     *(const char **)(pOpt->pVar)  = argv[argNum];
245                     break;
246                 case OptSpec::NUM:
247                     argNum ++;
248                     if (argNum >= argc) {
249                         fprintf(stderr, "value expected for \"%s\" option.\n", pOpt->name);
250                         return FALSE;
251                     }
252                     char *endp;
253                     i = strtol(argv[argNum], &endp, 0);
254                     if (endp == argv[argNum]) {
255                         fprintf(stderr, "integer value expected for \"%s\" option.\n", pOpt->name);
256                         return FALSE;
257                     }
258                     *(int *)(pOpt->pVar) = i;
259                 }
260                 break;
261             }
262         }
263         if (pOpt->name == 0)
264         {
265             fprintf(stderr, "Unrecognized option \"%s\"\n", pArgName);
266             return FALSE;
267         }
268     }
269 return TRUE;
270 }
271 
272 //---------------------------------------------------------------------------------------
273 //
274 //   Comparison functions for use by qsort.
275 //
276 //       Six flavors, ICU or Windows, SortKey or String Compare, Strings with length
277 //           or null terminated.
278 //
279 //---------------------------------------------------------------------------------------
ICUstrcmpK(const void * a,const void * b)280 int ICUstrcmpK(const void *a, const void *b) {
281     gCount++;
282     int t = strcmp((*(Line **)a)->icuSortKey, (*(Line **)b)->icuSortKey);
283     return t;
284 }
285 
286 
ICUstrcmpL(const void * a,const void * b)287 int ICUstrcmpL(const void *a, const void *b) {
288     gCount++;
289     UCollationResult t;
290     t = ucol_strcoll(gCol, (*(Line **)a)->name, (*(Line **)a)->len, (*(Line **)b)->name, (*(Line **)b)->len);
291     if (t == UCOL_LESS) return -1;
292     if (t == UCOL_GREATER) return +1;
293     return 0;
294 }
295 
296 
ICUstrcmp(const void * a,const void * b)297 int ICUstrcmp(const void *a, const void *b) {
298     gCount++;
299     UCollationResult t;
300     t = ucol_strcoll(gCol, (*(Line **)a)->name, -1, (*(Line **)b)->name, -1);
301     if (t == UCOL_LESS) return -1;
302     if (t == UCOL_GREATER) return +1;
303     return 0;
304 }
305 
306 
Winstrcmp(const void * a,const void * b)307 int Winstrcmp(const void *a, const void *b) {
308     gCount++;
309     int t;
310     t = CompareStringW(gWinLCID, 0, (*(Line **)a)->name, -1, (*(Line **)b)->name, -1);
311     return t-2;
312 }
313 
314 
UNIXstrcmp(const void * a,const void * b)315 int UNIXstrcmp(const void *a, const void *b) {
316     gCount++;
317     int t;
318     t = strcoll((*(Line **)a)->unixName, (*(Line **)b)->unixName);
319     return t;
320 }
321 
322 
WinstrcmpL(const void * a,const void * b)323 int WinstrcmpL(const void *a, const void *b) {
324     gCount++;
325     int t;
326     t = CompareStringW(gWinLCID, 0, (*(Line **)a)->name, (*(Line **)a)->len, (*(Line **)b)->name, (*(Line **)b)->len);
327     return t-2;
328 }
329 
330 
WinstrcmpK(const void * a,const void * b)331 int WinstrcmpK(const void *a, const void *b) {
332     gCount++;
333     int t = strcmp((*(Line **)a)->winSortKey, (*(Line **)b)->winSortKey);
334     return t;
335 }
336 
337 
338 //---------------------------------------------------------------------------------------
339 //
340 //   Function for sorting the names (lines) into a random order.
341 //      Order is based on a hash of the  ICU Sort key for the lines
342 //      The randomized order is used as input for the sorting timing tests.
343 //
344 //---------------------------------------------------------------------------------------
ICURandomCmp(const void * a,const void * b)345 int ICURandomCmp(const void *a, const void *b) {
346     char  *ask = (*(Line **)a)->icuSortKey;
347     char  *bsk = (*(Line **)b)->icuSortKey;
348     int   aVal = 0;
349     int   bVal = 0;
350     int   retVal;
351     while (*ask != 0) {
352         aVal += aVal*37 + *ask++;
353     }
354     while (*bsk != 0) {
355         bVal += bVal*37 + *bsk++;
356     }
357     retVal = -1;
358     if (aVal == bVal) {
359         retVal = 0;
360     }
361     else if (aVal > bVal) {
362         retVal = 1;
363     }
364     return retVal;
365 }
366 
367 //---------------------------------------------------------------------------------------
368 //
369 //   doKeyGen()     Key Generation Timing Test
370 //
371 //---------------------------------------------------------------------------------------
doKeyGen()372 void doKeyGen()
373 {
374     int  line;
375     int  loops = 0;
376     int  iLoop;
377     int  t;
378     int  len=-1;
379 
380     // Adjust loop count to compensate for file size.   Should be order n
381     double dLoopCount = double(opt_loopCount) * (1000. /  double(gNumFileLines));
382     int adj_loopCount = int(dLoopCount);
383     if (adj_loopCount < 1) adj_loopCount = 1;
384 
385 
386     unsigned long startTime = timeGetTime();
387 
388     if (opt_win) {
389         for (loops=0; loops<adj_loopCount; loops++) {
390             for (line=0; line < gNumFileLines; line++) {
391                 if (opt_uselen) {
392                     len = gFileLines[line].len;
393                 }
394                 for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
395                     t=LCMapStringW(gWinLCID, LCMAP_SORTKEY,
396                         gFileLines[line].name, len,
397                         (unsigned short *)gFileLines[line].winSortKey, 5000);    // TODO  something with length.
398                 }
399             }
400         }
401     }
402     else if (opt_icu)
403     {
404         for (loops=0; loops<adj_loopCount; loops++) {
405             for (line=0; line < gNumFileLines; line++) {
406                 if (opt_uselen) {
407                     len = gFileLines[line].len;
408                 }
409                 for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
410                     t = ucol_getSortKey(gCol, gFileLines[line].name, len, (unsigned char *)gFileLines[line].icuSortKey, 5000);
411                 }
412             }
413         }
414     }
415     else if (opt_unix)
416     {
417         for (loops=0; loops<adj_loopCount; loops++) {
418             for (line=0; line < gNumFileLines; line++) {
419                 for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
420                 t = strxfrm(gFileLines[line].unixSortKey, gFileLines[line].unixName, 5000);
421                 }
422             }
423         }
424     }
425 
426     unsigned long elapsedTime = timeGetTime() - startTime;
427     int ns = (int)(float(1000000) * (float)elapsedTime / (float)(adj_loopCount*gNumFileLines));
428 
429     if (opt_terse == FALSE) {
430         printf("Sort Key Generation:  total # of keys = %d\n", loops*gNumFileLines);
431         printf("Sort Key Generation:  time per key = %d ns\n", ns);
432     }
433     else {
434         printf("%d,  ", ns);
435     }
436 
437     int   totalKeyLen = 0;
438     int   totalChars  = 0;
439     for (line=0; line<gNumFileLines; line++) {
440         totalChars += u_strlen(gFileLines[line].name);
441         if (opt_win) {
442             totalKeyLen += strlen(gFileLines[line].winSortKey);
443         }
444         else if (opt_icu) {
445             totalKeyLen += strlen(gFileLines[line].icuSortKey);
446         }
447         else if (opt_unix) {
448             totalKeyLen += strlen(gFileLines[line].unixSortKey);
449         }
450 
451     }
452     if (opt_terse == FALSE) {
453         printf("Key Length / character = %f\n", (float)totalKeyLen / (float)totalChars);
454     } else {
455         printf("%f, ", (float)totalKeyLen / (float)totalChars);
456     }
457 }
458 
459 
460 
461 //---------------------------------------------------------------------------------------
462 //
463 //    doBinarySearch()    Binary Search timing test.  Each name from the list
464 //                        is looked up in the full sorted list of names.
465 //
466 //---------------------------------------------------------------------------------------
doBinarySearch()467 void doBinarySearch()
468 {
469 
470     gCount = 0;
471     int  line;
472     int  loops = 0;
473     int  iLoop = 0;
474     unsigned long elapsedTime = 0;
475 
476     // Adjust loop count to compensate for file size.   Should be order n (lookups) * log n  (compares/lookup)
477     // Accurate timings do not depend on this being perfect.  The correction is just to try to
478     //   get total running times of about the right order, so the that user doesn't need to
479     //   manually adjust the loop count for every different file size.
480     double dLoopCount = double(opt_loopCount) * 3000. / (log10((double)gNumFileLines) * double(gNumFileLines));
481     if (opt_usekeys) dLoopCount *= 5;
482     int adj_loopCount = int(dLoopCount);
483     if (adj_loopCount < 1) adj_loopCount = 1;
484 
485 
486     for (;;) {  // not really a loop, just allows "break" to work, to simplify
487                 //   inadvertantly running more than one test through here.
488         if (opt_strcmp || opt_strcmpCPO)
489         {
490             unsigned long startTime = timeGetTime();
491             typedef int32_t (U_EXPORT2 *PF)(const UChar *, const UChar *);
492             PF pf = u_strcmp;
493             if (opt_strcmpCPO) {pf = u_strcmpCodePointOrder;}
494             //if (opt_strcmp && opt_win) {pf = (PF)wcscmp;}   // Damn the difference between int32_t and int
495                                                             //   which forces the use of a cast here.
496 
497             int r = 0;
498             for (loops=0; loops<adj_loopCount; loops++) {
499 
500                 for (line=0; line < gNumFileLines; line++) {
501                     int hi      = gNumFileLines-1;
502                     int lo      = 0;
503                     int  guess = -1;
504                     for (;;) {
505                         int newGuess = (hi + lo) / 2;
506                         if (newGuess == guess)
507                             break;
508                         guess = newGuess;
509                         for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
510                             r = (*pf)((gSortedLines[line])->name, (gSortedLines[guess])->name);
511                         }
512                         gCount++;
513                         if (r== 0)
514                             break;
515                         if (r < 0)
516                             hi = guess;
517                         else
518                             lo   = guess;
519                     }
520                 }
521             }
522             elapsedTime = timeGetTime() - startTime;
523             break;
524         }
525 
526 
527         if (opt_icu)
528         {
529             unsigned long startTime = timeGetTime();
530             UCollationResult  r = UCOL_EQUAL;
531             for (loops=0; loops<adj_loopCount; loops++) {
532 
533                 for (line=0; line < gNumFileLines; line++) {
534                     int lineLen  = -1;
535                     int guessLen = -1;
536                     if (opt_uselen) {
537                         lineLen = (gSortedLines[line])->len;
538                     }
539                     int hi      = gNumFileLines-1;
540                     int lo      = 0;
541                     int  guess = -1;
542                     for (;;) {
543                         int newGuess = (hi + lo) / 2;
544                         if (newGuess == guess)
545                             break;
546                         guess = newGuess;
547                         int ri = 0;
548                         if (opt_usekeys) {
549                             for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
550                                 ri = strcmp((gSortedLines[line])->icuSortKey, (gSortedLines[guess])->icuSortKey);
551                             }
552                             gCount++;
553                             r=UCOL_GREATER; if(ri<0) {r=UCOL_LESS;} else if (ri==0) {r=UCOL_EQUAL;}
554                         }
555                         else
556                         {
557                             if (opt_uselen) {
558                                 guessLen = (gSortedLines[guess])->len;
559                             }
560                             for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
561                                 r = ucol_strcoll(gCol, (gSortedLines[line])->name, lineLen, (gSortedLines[guess])->name, guessLen);
562                             }
563                             gCount++;
564                         }
565                         if (r== UCOL_EQUAL)
566                             break;
567                         if (r == UCOL_LESS)
568                             hi = guess;
569                         else
570                             lo   = guess;
571                     }
572                 }
573             }
574             elapsedTime = timeGetTime() - startTime;
575             break;
576         }
577 
578         if (opt_win)
579         {
580             unsigned long startTime = timeGetTime();
581             int r = 0;
582             for (loops=0; loops<adj_loopCount; loops++) {
583 
584                 for (line=0; line < gNumFileLines; line++) {
585                     int lineLen  = -1;
586                     int guessLen = -1;
587                     if (opt_uselen) {
588                         lineLen = (gSortedLines[line])->len;
589                     }
590                     int hi   = gNumFileLines-1;
591                     int lo   = 0;
592                     int  guess = -1;
593                     for (;;) {
594                         int newGuess = (hi + lo) / 2;
595                         if (newGuess == guess)
596                             break;
597                         guess = newGuess;
598                         if (opt_usekeys) {
599                             for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
600                                 r = strcmp((gSortedLines[line])->winSortKey, (gSortedLines[guess])->winSortKey);
601                             }
602                             gCount++;
603                             r+=2;
604                         }
605                         else
606                         {
607                             if (opt_uselen) {
608                                 guessLen = (gSortedLines[guess])->len;
609                             }
610                             for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
611                                 r = CompareStringW(gWinLCID, 0, (gSortedLines[line])->name, lineLen, (gSortedLines[guess])->name, guessLen);
612                             }
613                             if (r == 0) {
614                                 if (opt_terse == FALSE) {
615                                     fprintf(stderr, "Error returned from Windows CompareStringW.\n");
616                                 }
617                                 exit(-1);
618                             }
619                             gCount++;
620                         }
621                         if (r== 2)   //  strings ==
622                             break;
623                         if (r == 1)  //  line < guess
624                             hi = guess;
625                         else         //  line > guess
626                             lo   = guess;
627                     }
628                 }
629             }
630             elapsedTime = timeGetTime() - startTime;
631             break;
632         }
633 
634         if (opt_unix)
635         {
636             unsigned long startTime = timeGetTime();
637             int r = 0;
638             for (loops=0; loops<adj_loopCount; loops++) {
639 
640                 for (line=0; line < gNumFileLines; line++) {
641                     int hi   = gNumFileLines-1;
642                     int lo   = 0;
643                     int  guess = -1;
644                     for (;;) {
645                         int newGuess = (hi + lo) / 2;
646                         if (newGuess == guess)
647                             break;
648                         guess = newGuess;
649                         if (opt_usekeys) {
650                             for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
651                                  r = strcmp((gSortedLines[line])->unixSortKey, (gSortedLines[guess])->unixSortKey);
652                             }
653                             gCount++;
654                         }
655                         else
656                         {
657                             for (iLoop=0; iLoop < opt_iLoopCount; iLoop++) {
658                                 r = strcoll((gSortedLines[line])->unixName, (gSortedLines[guess])->unixName);
659                             }
660                             errno = 0;
661                             if (errno != 0) {
662                                 fprintf(stderr, "Error %d returned from strcoll.\n", errno);
663                                 exit(-1);
664                             }
665                             gCount++;
666                         }
667                         if (r == 0)   //  strings ==
668                             break;
669                         if (r < 0)  //  line < guess
670                             hi = guess;
671                         else         //  line > guess
672                             lo   = guess;
673                     }
674                 }
675             }
676             elapsedTime = timeGetTime() - startTime;
677             break;
678         }
679         break;
680     }
681 
682     int ns = (int)(float(1000000) * (float)elapsedTime / (float)gCount);
683     if (opt_terse == FALSE) {
684         printf("binary search:  total # of string compares = %d\n", gCount);
685         printf("binary search:  compares per loop = %d\n", gCount / loops);
686         printf("binary search:  time per compare = %d ns\n", ns);
687     } else {
688         printf("%d, ", ns);
689     }
690 
691 }
692 
693 
694 
695 
696 //---------------------------------------------------------------------------------------
697 //
698 //   doQSort()    The quick sort timing test.  Uses the C library qsort function.
699 //
700 //---------------------------------------------------------------------------------------
doQSort()701 void doQSort() {
702     int i;
703     Line **sortBuf = new Line *[gNumFileLines];
704 
705     // Adjust loop count to compensate for file size.   QSort should be n log(n)
706     double dLoopCount = double(opt_loopCount) * 3000. / (log10((double)gNumFileLines) * double(gNumFileLines));
707     if (opt_usekeys) dLoopCount *= 5;
708     int adj_loopCount = int(dLoopCount);
709     if (adj_loopCount < 1) adj_loopCount = 1;
710 
711 
712     gCount = 0;
713     unsigned long startTime = timeGetTime();
714     if (opt_win && opt_usekeys) {
715         for (i=0; i<opt_loopCount; i++) {
716             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
717             qsort(sortBuf, gNumFileLines, sizeof(Line *), WinstrcmpK);
718         }
719     }
720 
721     else if (opt_win && opt_uselen) {
722         for (i=0; i<adj_loopCount; i++) {
723             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
724             qsort(sortBuf, gNumFileLines, sizeof(Line *), WinstrcmpL);
725         }
726     }
727 
728 
729     else if (opt_win && !opt_uselen) {
730         for (i=0; i<adj_loopCount; i++) {
731             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
732             qsort(sortBuf, gNumFileLines, sizeof(Line *), Winstrcmp);
733         }
734     }
735 
736     else if (opt_icu && opt_usekeys) {
737         for (i=0; i<adj_loopCount; i++) {
738             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
739             qsort(sortBuf, gNumFileLines, sizeof(Line *), ICUstrcmpK);
740         }
741     }
742 
743     else if (opt_icu && opt_uselen) {
744         for (i=0; i<adj_loopCount; i++) {
745             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
746             qsort(sortBuf, gNumFileLines, sizeof(Line *), ICUstrcmpL);
747         }
748     }
749 
750 
751     else if (opt_icu && !opt_uselen) {
752         for (i=0; i<adj_loopCount; i++) {
753             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
754             qsort(sortBuf, gNumFileLines, sizeof(Line *), ICUstrcmp);
755         }
756     }
757 
758     else if (opt_unix && !opt_usekeys) {
759         for (i=0; i<adj_loopCount; i++) {
760             memcpy(sortBuf, gRandomLines, gNumFileLines * sizeof(Line *));
761             qsort(sortBuf, gNumFileLines, sizeof(Line *), UNIXstrcmp);
762         }
763     }
764 
765     unsigned long elapsedTime = timeGetTime() - startTime;
766     int ns = (int)(float(1000000) * (float)elapsedTime / (float)gCount);
767     if (opt_terse == FALSE) {
768         printf("qsort:  total # of string compares = %d\n", gCount);
769         printf("qsort:  time per compare = %d ns\n", ns);
770     } else {
771         printf("%d, ", ns);
772     }
773 }
774 
775 
776 
777 //---------------------------------------------------------------------------------------
778 //
779 //    doKeyHist()       Output a table of data for
780 //                        average sort key size vs. string length.
781 //
782 //---------------------------------------------------------------------------------------
doKeyHist()783 void doKeyHist() {
784     int     i;
785     int     maxLen = 0;
786 
787     // Find the maximum string length
788     for (i=0; i<gNumFileLines; i++) {
789         if (gFileLines[i].len > maxLen) maxLen = gFileLines[i].len;
790     }
791 
792     // Allocate arrays to hold the histogram data
793     int *accumulatedLen  = new int[maxLen+1];
794     int *numKeysOfSize   = new int[maxLen+1];
795     for (i=0; i<=maxLen; i++) {
796         accumulatedLen[i] = 0;
797         numKeysOfSize[i] = 0;
798     }
799 
800     // Fill the arrays...
801     for (i=0; i<gNumFileLines; i++) {
802         int len = gFileLines[i].len;
803         accumulatedLen[len] += strlen(gFileLines[i].icuSortKey);
804         numKeysOfSize[len] += 1;
805     }
806 
807     // And write out averages
808     printf("String Length,  Avg Key Length,  Avg Key Len per char\n");
809     for (i=1; i<=maxLen; i++) {
810         if (numKeysOfSize[i] > 0) {
811             printf("%d, %f, %f\n", i, (float)accumulatedLen[i] / (float)numKeysOfSize[i],
812                 (float)accumulatedLen[i] / (float)(numKeysOfSize[i] * i));
813         }
814     }
815     delete []accumulatedLen;
816     delete []numKeysOfSize ;
817 }
818 
819 //---------------------------------------------------------------------------------------
820 //
821 //    doForwardIterTest(UBool)       Forward iteration test
822 //                                   argument null-terminated string used
823 //
824 //---------------------------------------------------------------------------------------
doForwardIterTest(UBool haslen)825 void doForwardIterTest(UBool haslen) {
826     int count = 0;
827 
828     UErrorCode error = U_ZERO_ERROR;
829     printf("\n\nPerforming forward iteration performance test with ");
830 
831     if (haslen) {
832         printf("non-null terminated data -----------\n");
833     }
834     else {
835         printf("null terminated data -----------\n");
836     }
837     printf("performance test on strings from file -----------\n");
838 
839     UChar dummytext[] = {0, 0};
840     UCollationElements *iter = ucol_openElements(gCol, NULL, 0, &error);
841     ucol_setText(iter, dummytext, 1, &error);
842 
843     gCount = 0;
844     unsigned long startTime = timeGetTime();
845     while (count < opt_loopCount) {
846         int linecount = 0;
847         while (linecount < gNumFileLines) {
848             UChar *str = gFileLines[linecount].name;
849             int strlen = haslen?gFileLines[linecount].len:-1;
850             ucol_setText(iter, str, strlen, &error);
851             while (ucol_next(iter, &error) != UCOL_NULLORDER) {
852                 gCount++;
853             }
854 
855             linecount ++;
856         }
857         count ++;
858     }
859     unsigned long elapsedTime = timeGetTime() - startTime;
860     printf("elapsedTime %ld\n", elapsedTime);
861 
862     // empty loop recalculation
863     count = 0;
864     startTime = timeGetTime();
865     while (count < opt_loopCount) {
866         int linecount = 0;
867         while (linecount < gNumFileLines) {
868             UChar *str = gFileLines[linecount].name;
869             int strlen = haslen?gFileLines[linecount].len:-1;
870             ucol_setText(iter, str, strlen, &error);
871             linecount ++;
872         }
873         count ++;
874     }
875     elapsedTime -= (timeGetTime() - startTime);
876     printf("elapsedTime %ld\n", elapsedTime);
877 
878     ucol_closeElements(iter);
879 
880     int ns = (int)(float(1000000) * (float)elapsedTime / (float)gCount);
881     printf("Total number of strings compared %d in %d loops\n", gNumFileLines,
882                                                                 opt_loopCount);
883     printf("Average time per ucol_next() nano seconds %d\n", ns);
884 
885     printf("performance test on skipped-5 concatenated strings from file -----------\n");
886 
887     UChar *str;
888     int    strlen = 0;
889     // appending all the strings
890     int linecount = 0;
891     while (linecount < gNumFileLines) {
892         strlen += haslen?gFileLines[linecount].len:
893                                       u_strlen(gFileLines[linecount].name);
894         linecount ++;
895     }
896     str = (UChar *)malloc(sizeof(UChar) * strlen);
897     int strindex = 0;
898     linecount = 0;
899     while (strindex < strlen) {
900         int len = 0;
901         len += haslen?gFileLines[linecount].len:
902                                       u_strlen(gFileLines[linecount].name);
903         memcpy(str + strindex, gFileLines[linecount].name,
904                sizeof(UChar) * len);
905         strindex += len;
906         linecount ++;
907     }
908 
909     printf("Total size of strings %d\n", strlen);
910 
911     gCount = 0;
912     count  = 0;
913 
914     if (!haslen) {
915         strlen = -1;
916     }
917     iter = ucol_openElements(gCol, str, strlen, &error);
918     if (!haslen) {
919         strlen = u_strlen(str);
920     }
921     strlen -= 5; // any left over characters are not iterated,
922                  // this is to ensure the backwards and forwards iterators
923                  // gets the same position
924     startTime = timeGetTime();
925     while (count < opt_loopCount) {
926         int count5 = 5;
927         strindex = 0;
928         ucol_setOffset(iter, strindex, &error);
929         while (TRUE) {
930             if (ucol_next(iter, &error) == UCOL_NULLORDER) {
931                 break;
932             }
933             gCount++;
934             count5 --;
935             if (count5 == 0) {
936                 strindex += 10;
937                 if (strindex > strlen) {
938                     break;
939                 }
940                 ucol_setOffset(iter, strindex, &error);
941                 count5 = 5;
942             }
943         }
944         count ++;
945     }
946 
947     elapsedTime = timeGetTime() - startTime;
948     printf("elapsedTime %ld\n", elapsedTime);
949 
950     // empty loop recalculation
951     int tempgCount = 0;
952     count = 0;
953     startTime = timeGetTime();
954     while (count < opt_loopCount) {
955         int count5 = 5;
956         strindex = 0;
957         ucol_setOffset(iter, strindex, &error);
958         while (TRUE) {
959             tempgCount ++;
960             count5 --;
961             if (count5 == 0) {
962                 strindex += 10;
963                 if (strindex > strlen) {
964                     break;
965                 }
966                 ucol_setOffset(iter, strindex, &error);
967                 count5 = 5;
968             }
969         }
970         count ++;
971     }
972     elapsedTime -= (timeGetTime() - startTime);
973     printf("elapsedTime %ld\n", elapsedTime);
974 
975     ucol_closeElements(iter);
976 
977     printf("gCount %d\n", gCount);
978     ns = (int)(float(1000000) * (float)elapsedTime / (float)gCount);
979     printf("Average time per ucol_next() nano seconds %d\n", ns);
980 }
981 
982 //---------------------------------------------------------------------------------------
983 //
984 //    doBackwardIterTest(UBool)      Backwards iteration test
985 //                                   argument null-terminated string used
986 //
987 //---------------------------------------------------------------------------------------
doBackwardIterTest(UBool haslen)988 void doBackwardIterTest(UBool haslen) {
989     int count = 0;
990     UErrorCode error = U_ZERO_ERROR;
991     printf("\n\nPerforming backward iteration performance test with ");
992 
993     if (haslen) {
994         printf("non-null terminated data -----------\n");
995     }
996     else {
997         printf("null terminated data -----------\n");
998     }
999 
1000     printf("performance test on strings from file -----------\n");
1001 
1002     UCollationElements *iter = ucol_openElements(gCol, NULL, 0, &error);
1003     UChar dummytext[] = {0, 0};
1004     ucol_setText(iter, dummytext, 1, &error);
1005 
1006     gCount = 0;
1007     unsigned long startTime = timeGetTime();
1008     while (count < opt_loopCount) {
1009         int linecount = 0;
1010         while (linecount < gNumFileLines) {
1011             UChar *str = gFileLines[linecount].name;
1012             int strlen = haslen?gFileLines[linecount].len:-1;
1013             ucol_setText(iter, str, strlen, &error);
1014             while (ucol_previous(iter, &error) != UCOL_NULLORDER) {
1015                 gCount ++;
1016             }
1017 
1018             linecount ++;
1019         }
1020         count ++;
1021     }
1022     unsigned long elapsedTime = timeGetTime() - startTime;
1023 
1024     printf("elapsedTime %ld\n", elapsedTime);
1025 
1026     // empty loop recalculation
1027     count = 0;
1028     startTime = timeGetTime();
1029     while (count < opt_loopCount) {
1030         int linecount = 0;
1031         while (linecount < gNumFileLines) {
1032             UChar *str = gFileLines[linecount].name;
1033             int strlen = haslen?gFileLines[linecount].len:-1;
1034             ucol_setText(iter, str, strlen, &error);
1035             linecount ++;
1036         }
1037         count ++;
1038     }
1039     elapsedTime -= (timeGetTime() - startTime);
1040 
1041     printf("elapsedTime %ld\n", elapsedTime);
1042     ucol_closeElements(iter);
1043 
1044     int ns = (int)(float(1000000) * (float)elapsedTime / (float)gCount);
1045     printf("Total number of strings compared %d in %d loops\n", gNumFileLines,
1046                                                                 opt_loopCount);
1047     printf("Average time per ucol_previous() nano seconds %d\n", ns);
1048 
1049     printf("performance test on skipped-5 concatenated strings from file -----------\n");
1050 
1051     UChar *str;
1052     int    strlen = 0;
1053     // appending all the strings
1054     int linecount = 0;
1055     while (linecount < gNumFileLines) {
1056         strlen += haslen?gFileLines[linecount].len:
1057                                       u_strlen(gFileLines[linecount].name);
1058         linecount ++;
1059     }
1060     str = (UChar *)malloc(sizeof(UChar) * strlen);
1061     int strindex = 0;
1062     linecount = 0;
1063     while (strindex < strlen) {
1064         int len = 0;
1065         len += haslen?gFileLines[linecount].len:
1066                                       u_strlen(gFileLines[linecount].name);
1067         memcpy(str + strindex, gFileLines[linecount].name,
1068                sizeof(UChar) * len);
1069         strindex += len;
1070         linecount ++;
1071     }
1072 
1073     printf("Total size of strings %d\n", strlen);
1074 
1075     gCount = 0;
1076     count  = 0;
1077 
1078     if (!haslen) {
1079         strlen = -1;
1080     }
1081 
1082     iter = ucol_openElements(gCol, str, strlen, &error);
1083     if (!haslen) {
1084         strlen = u_strlen(str);
1085     }
1086 
1087     startTime = timeGetTime();
1088     while (count < opt_loopCount) {
1089         int count5 = 5;
1090         strindex = 5;
1091         ucol_setOffset(iter, strindex, &error);
1092         while (TRUE) {
1093             if (ucol_previous(iter, &error) == UCOL_NULLORDER) {
1094                 break;
1095             }
1096              gCount ++;
1097              count5 --;
1098              if (count5 == 0) {
1099                  strindex += 10;
1100                  if (strindex > strlen) {
1101                     break;
1102                  }
1103                  ucol_setOffset(iter, strindex, &error);
1104                  count5 = 5;
1105              }
1106         }
1107         count ++;
1108     }
1109 
1110     elapsedTime = timeGetTime() - startTime;
1111     printf("elapsedTime %ld\n", elapsedTime);
1112 
1113     // empty loop recalculation
1114     count = 0;
1115     int tempgCount = 0;
1116     startTime = timeGetTime();
1117     while (count < opt_loopCount) {
1118         int count5 = 5;
1119         strindex = 5;
1120         ucol_setOffset(iter, strindex, &error);
1121         while (TRUE) {
1122              tempgCount ++;
1123              count5 --;
1124              if (count5 == 0) {
1125                  strindex += 10;
1126                  if (strindex > strlen) {
1127                     break;
1128                  }
1129                  ucol_setOffset(iter, strindex, &error);
1130                  count5 = 5;
1131              }
1132         }
1133         count ++;
1134     }
1135     elapsedTime -= (timeGetTime() - startTime);
1136     printf("elapsedTime %ld\n", elapsedTime);
1137     ucol_closeElements(iter);
1138 
1139     printf("gCount %d\n", gCount);
1140     ns = (int)(float(1000000) * (float)elapsedTime / (float)gCount);
1141     printf("Average time per ucol_previous() nano seconds %d\n", ns);
1142 }
1143 
1144 //---------------------------------------------------------------------------------------
1145 //
1146 //    doIterTest()       Iteration test
1147 //
1148 //---------------------------------------------------------------------------------------
doIterTest()1149 void doIterTest() {
1150     doForwardIterTest(opt_uselen);
1151     doBackwardIterTest(opt_uselen);
1152 }
1153 
1154 
1155 //----------------------------------------------------------------------------------------
1156 //
1157 //   UnixConvert   -- Convert the lines of the file to the encoding for UNIX
1158 //                    Since it appears that Unicode support is going in the general
1159 //                    direction of the use of UTF-8 locales, that is the approach
1160 //                    that is used here.
1161 //
1162 //----------------------------------------------------------------------------------------
UnixConvert()1163 void  UnixConvert() {
1164     int    line;
1165 
1166     UConverter   *cvrtr;    // An ICU code page converter.
1167     UErrorCode    status = U_ZERO_ERROR;
1168 
1169 
1170     cvrtr = ucnv_open("utf-8", &status);    // we are just doing UTF-8 locales for now.
1171     if (U_FAILURE(status)) {
1172         fprintf(stderr, "ICU Converter open failed.: %s\n", u_errorName(status));
1173         exit(-1);
1174     }
1175 
1176     for (line=0; line < gNumFileLines; line++) {
1177         int sizeNeeded = ucnv_fromUChars(cvrtr,
1178                                          0,            // ptr to target buffer.
1179                                          0,            // length of target buffer.
1180                                          gFileLines[line].name,
1181                                          -1,           //  source is null terminated
1182                                          &status);
1183         if (status != U_BUFFER_OVERFLOW_ERROR && status != U_ZERO_ERROR) {
1184             //fprintf(stderr, "Conversion from Unicode, something is wrong.\n");
1185             //exit(-1);
1186         }
1187         status = U_ZERO_ERROR;
1188         gFileLines[line].unixName = new char[sizeNeeded+1];
1189         sizeNeeded = ucnv_fromUChars(cvrtr,
1190                                          gFileLines[line].unixName, // ptr to target buffer.
1191                                          sizeNeeded+1, // length of target buffer.
1192                                          gFileLines[line].name,
1193                                          -1,           //  source is null terminated
1194                                          &status);
1195         if (U_FAILURE(status)) {
1196             fprintf(stderr, "ICU Conversion Failed.: %d\n", status);
1197             exit(-1);
1198         }
1199         gFileLines[line].unixName[sizeNeeded] = 0;
1200     };
1201     ucnv_close(cvrtr);
1202 }
1203 
1204 
1205 //----------------------------------------------------------------------------------------
1206 //
1207 //  class UCharFile   Class to hide all the gorp to read a file in
1208 //                    and produce a stream of UChars.
1209 //
1210 //----------------------------------------------------------------------------------------
1211 class UCharFile {
1212 public:
1213     UCharFile(const char *fileName);
1214     ~UCharFile();
1215     UChar   get();
eof()1216     UBool   eof() {return fEof;};
error()1217     UBool   error() {return fError;};
1218 
1219 private:
UCharFile(const UCharFile &)1220     UCharFile (const UCharFile & /*other*/) {};                         // No copy constructor.
operator =(const UCharFile &)1221     UCharFile & operator = (const UCharFile &/*other*/) {return *this;};   // No assignment op
1222 
1223     FILE         *fFile;
1224     const char   *fName;
1225     UBool        fEof;
1226     UBool        fError;
1227     UChar        fPending2ndSurrogate;
1228 
1229     enum {UTF16LE, UTF16BE, UTF8} fEncoding;
1230 };
1231 
UCharFile(const char * fileName)1232 UCharFile::UCharFile(const char * fileName) {
1233     fEof                 = FALSE;
1234     fError               = FALSE;
1235     fName                = fileName;
1236     fFile                = fopen(fName, "rb");
1237     fPending2ndSurrogate = 0;
1238     if (fFile == NULL) {
1239         fprintf(stderr, "Can not open file \"%s\"\n", opt_fName);
1240         fError = TRUE;
1241         return;
1242     }
1243     //
1244     //  Look for the byte order mark at the start of the file.
1245     //
1246     int BOMC1, BOMC2, BOMC3;
1247     BOMC1 = fgetc(fFile);
1248     BOMC2 = fgetc(fFile);
1249 
1250     if (BOMC1 == 0xff && BOMC2 == 0xfe) {
1251         fEncoding = UTF16LE; }
1252     else if (BOMC1 == 0xfe && BOMC2 == 0xff) {
1253         fEncoding = UTF16BE; }
1254     else if (BOMC1 == 0xEF && BOMC2 == 0xBB && (BOMC3 = fgetc(fFile)) == 0xBF ) {
1255         fEncoding = UTF8; }
1256     else
1257     {
1258         fprintf(stderr, "collperf:  file \"%s\" encoding must be UTF-8 or UTF-16, and "
1259             "must include a BOM.\n", fileName);
1260         fError = true;
1261         return;
1262     }
1263 }
1264 
1265 
~UCharFile()1266 UCharFile::~UCharFile() {
1267     fclose(fFile);
1268 }
1269 
1270 
1271 
get()1272 UChar UCharFile::get() {
1273     UChar   c;
1274     switch (fEncoding) {
1275     case UTF16LE:
1276         {
1277             int  cL, cH;
1278             cL = fgetc(fFile);
1279             cH = fgetc(fFile);
1280             c  = cL  | (cH << 8);
1281             if (cH == EOF) {
1282                 c   = 0;
1283                 fEof = TRUE;
1284             }
1285             break;
1286         }
1287     case UTF16BE:
1288         {
1289             int  cL, cH;
1290             cH = fgetc(fFile);
1291             cL = fgetc(fFile);
1292             c  = cL  | (cH << 8);
1293             if (cL == EOF) {
1294                 c   = 0;
1295                 fEof = TRUE;
1296             }
1297             break;
1298         }
1299     case UTF8:
1300         {
1301             if (fPending2ndSurrogate != 0) {
1302                 c = fPending2ndSurrogate;
1303                 fPending2ndSurrogate = 0;
1304                 break;
1305             }
1306 
1307             int ch = fgetc(fFile);   // Note:  c and ch are separate cause eof test doesn't work on UChar type.
1308             if (ch == EOF) {
1309                 c = 0;
1310                 fEof = TRUE;
1311                 break;
1312             }
1313 
1314             if (ch <= 0x7f) {
1315                 // It's ascii.  No further utf-8 conversion.
1316                 c = ch;
1317                 break;
1318             }
1319 
1320             // Figure out the lenght of the char and read the rest of the bytes
1321             //   into a temp array.
1322             int nBytes;
1323             if (ch >= 0xF0) {nBytes=4;}
1324             else if (ch >= 0xE0) {nBytes=3;}
1325             else if (ch >= 0xC0) {nBytes=2;}
1326             else {
1327                 fprintf(stderr, "utf-8 encoded file contains corrupt data.\n");
1328                 fError = TRUE;
1329                 return 0;
1330             }
1331 
1332             unsigned char  bytes[10];
1333             bytes[0] = (unsigned char)ch;
1334             int i;
1335             for (i=1; i<nBytes; i++) {
1336                 bytes[i] = fgetc(fFile);
1337                 if (bytes[i] < 0x80 || bytes[i] >= 0xc0) {
1338                     fprintf(stderr, "utf-8 encoded file contains corrupt data.\n");
1339                     fError = TRUE;
1340                     return 0;
1341                 }
1342             }
1343 
1344             // Convert the bytes from the temp array to a Unicode char.
1345             i = 0;
1346             uint32_t  cp;
1347             U8_NEXT_UNSAFE(bytes, i, cp);
1348             c = (UChar)cp;
1349 
1350             if (cp >= 0x10000) {
1351                 // The code point needs to be broken up into a utf-16 surrogate pair.
1352                 //  Process first half this time through the main loop, and
1353                 //   remember the other half for the next time through.
1354                 UChar utf16Buf[3];
1355                 i = 0;
1356                 UTF16_APPEND_CHAR_UNSAFE(utf16Buf, i, cp);
1357                 fPending2ndSurrogate = utf16Buf[1];
1358                 c = utf16Buf[0];
1359             }
1360             break;
1361         };
1362     default:
1363         c = 0xFFFD; /* Error, unspecified codepage*/
1364         fprintf(stderr, "UCharFile: Error: unknown fEncoding\n");
1365         exit(1);
1366     }
1367     return c;
1368 }
1369 
1370 //----------------------------------------------------------------------------------------
1371 //
1372 //   openRulesCollator  - Command line specified a rules file.  Read it in
1373 //                        and open a collator with it.
1374 //
1375 //----------------------------------------------------------------------------------------
openRulesCollator()1376 UCollator *openRulesCollator() {
1377     UCharFile f(opt_rules);
1378     if (f.error()) {
1379         return 0;
1380     }
1381 
1382     int  bufLen = 10000;
1383     UChar *buf = (UChar *)malloc(bufLen * sizeof(UChar));
1384     UChar *tmp;
1385     int i = 0;
1386 
1387     for(;;) {
1388         buf[i] = f.get();
1389         if (f.eof()) {
1390             break;
1391         }
1392         if (f.error()) {
1393             return 0;
1394         }
1395         i++;
1396         if (i >= bufLen) {
1397             tmp = buf;
1398             bufLen += 10000;
1399             buf = (UChar *)realloc(buf, bufLen);
1400             if (buf == NULL) {
1401                 free(tmp);
1402                 return 0;
1403             }
1404         }
1405     }
1406     buf[i] = 0;
1407 
1408     UErrorCode    status = U_ZERO_ERROR;
1409     UCollator *coll = ucol_openRules(buf, u_strlen(buf), UCOL_OFF,
1410                                          UCOL_DEFAULT_STRENGTH, NULL, &status);
1411     if (U_FAILURE(status)) {
1412         fprintf(stderr, "ICU ucol_openRules() open failed.: %d\n", status);
1413         return 0;
1414     }
1415     free(buf);
1416     return coll;
1417 }
1418 
1419 
1420 
1421 
1422 
1423 //----------------------------------------------------------------------------------------
1424 //
1425 //    Main   --  process command line, read in and pre-process the test file,
1426 //                 call other functions to do the actual tests.
1427 //
1428 //----------------------------------------------------------------------------------------
main(int argc,const char ** argv)1429 int main(int argc, const char** argv) {
1430     if (ProcessOptions(argc, argv, opts) != TRUE || opt_help || opt_fName == 0) {
1431         printf(gUsageString);
1432         exit (1);
1433     }
1434 
1435     // Make sure that we've only got one API selected.
1436     if (opt_unix || opt_win) opt_icu = FALSE;
1437     if (opt_unix) opt_win = FALSE;
1438 
1439     //
1440     //  Set up an ICU collator
1441     //
1442     UErrorCode          status = U_ZERO_ERROR;
1443 
1444     if (opt_rules != 0) {
1445         gCol = openRulesCollator();
1446         if (gCol == 0) {return -1;}
1447     }
1448     else {
1449         gCol = ucol_open(opt_locale, &status);
1450         if (U_FAILURE(status)) {
1451             fprintf(stderr, "Collator creation failed.: %d\n", status);
1452             return -1;
1453         }
1454     }
1455     if (status==U_USING_DEFAULT_WARNING && opt_terse==FALSE) {
1456         fprintf(stderr, "Warning, U_USING_DEFAULT_WARNING for %s\n", opt_locale);
1457     }
1458     if (status==U_USING_FALLBACK_WARNING && opt_terse==FALSE) {
1459         fprintf(stderr, "Warning, U_USING_FALLBACK_ERROR for %s\n", opt_locale);
1460     }
1461 
1462     if (opt_norm) {
1463         ucol_setAttribute(gCol, UCOL_NORMALIZATION_MODE, UCOL_ON, &status);
1464     }
1465     if (opt_french && opt_frenchoff) {
1466         fprintf(stderr, "collperf:  Error, specified both -french and -frenchoff options.");
1467         exit(-1);
1468     }
1469     if (opt_french) {
1470         ucol_setAttribute(gCol, UCOL_FRENCH_COLLATION, UCOL_ON, &status);
1471     }
1472     if (opt_frenchoff) {
1473         ucol_setAttribute(gCol, UCOL_FRENCH_COLLATION, UCOL_OFF, &status);
1474     }
1475     if (opt_lower) {
1476         ucol_setAttribute(gCol, UCOL_CASE_FIRST, UCOL_LOWER_FIRST, &status);
1477     }
1478     if (opt_upper) {
1479         ucol_setAttribute(gCol, UCOL_CASE_FIRST, UCOL_UPPER_FIRST, &status);
1480     }
1481     if (opt_case) {
1482         ucol_setAttribute(gCol, UCOL_CASE_LEVEL, UCOL_ON, &status);
1483     }
1484     if (opt_shifted) {
1485         ucol_setAttribute(gCol, UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, &status);
1486     }
1487     if (opt_level != 0) {
1488         switch (opt_level) {
1489         case 1:
1490             ucol_setAttribute(gCol, UCOL_STRENGTH, UCOL_PRIMARY, &status);
1491             break;
1492         case 2:
1493             ucol_setAttribute(gCol, UCOL_STRENGTH, UCOL_SECONDARY, &status);
1494             break;
1495         case 3:
1496             ucol_setAttribute(gCol, UCOL_STRENGTH, UCOL_TERTIARY, &status);
1497             break;
1498         case 4:
1499             ucol_setAttribute(gCol, UCOL_STRENGTH, UCOL_QUATERNARY, &status);
1500             break;
1501         case 5:
1502             ucol_setAttribute(gCol, UCOL_STRENGTH, UCOL_IDENTICAL, &status);
1503             break;
1504         default:
1505             fprintf(stderr, "-level param must be between 1 and 5\n");
1506             exit(-1);
1507         }
1508     }
1509 
1510     if (U_FAILURE(status)) {
1511         fprintf(stderr, "Collator attribute setting failed.: %d\n", status);
1512         return -1;
1513     }
1514 
1515 
1516     //
1517     //  Set up a Windows LCID
1518     //
1519     if (opt_langid != 0) {
1520         gWinLCID = MAKELCID(opt_langid, SORT_DEFAULT);
1521     }
1522     else {
1523         gWinLCID = uloc_getLCID(opt_locale);
1524     }
1525 
1526 
1527     //
1528     //  Set the UNIX locale
1529     //
1530     if (opt_unix) {
1531         if (setlocale(LC_ALL, opt_locale) == 0) {
1532             fprintf(stderr, "setlocale(LC_ALL, %s) failed.\n", opt_locale);
1533             exit(-1);
1534         }
1535     }
1536 
1537     // Read in  the input file.
1538     //   File assumed to be utf-16.
1539     //   Lines go onto heap buffers.  Global index array to line starts is created.
1540     //   Lines themselves are null terminated.
1541     //
1542 
1543     UCharFile f(opt_fName);
1544     if (f.error()) {
1545         exit(-1);
1546     }
1547 
1548     const int MAXLINES = 100000;
1549     gFileLines = new Line[MAXLINES];
1550     UChar buf[1024];
1551     int   column = 0;
1552 
1553     //  Read the file, split into lines, and save in memory.
1554     //  Loop runs once per utf-16 value from the input file,
1555     //    (The number of bytes read from file per loop iteration depends on external encoding.)
1556     for (;;) {
1557 
1558         UChar c = f.get();
1559         if (f.error()){
1560             exit(-1);
1561         }
1562 
1563 
1564         // We now have a good UTF-16 value in c.
1565 
1566         // Watch for CR, LF, EOF; these finish off a line.
1567         if (c == 0xd) {
1568             continue;
1569         }
1570 
1571         if (f.eof() || c == 0x0a || c==0x2028) {  // Unipad inserts 2028 line separators!
1572             buf[column++] = 0;
1573             if (column > 1) {
1574                 gFileLines[gNumFileLines].name  = new UChar[column];
1575                 gFileLines[gNumFileLines].len   = column-1;
1576                 memcpy(gFileLines[gNumFileLines].name, buf, column * sizeof(UChar));
1577                 gNumFileLines++;
1578                 column = 0;
1579                 if (gNumFileLines >= MAXLINES) {
1580                     fprintf(stderr, "File too big.  Max number of lines is %d\n", MAXLINES);
1581                     exit(-1);
1582                 }
1583 
1584             }
1585             if (c == 0xa || c == 0x2028)
1586                 continue;
1587             else
1588                 break;  // EOF
1589         }
1590         buf[column++] = c;
1591         if (column >= 1023)
1592         {
1593             static UBool warnFlag = TRUE;
1594             if (warnFlag) {
1595                 fprintf(stderr, "Warning - file line longer than 1023 chars truncated.\n");
1596                 warnFlag = FALSE;
1597             }
1598             column--;
1599         }
1600     }
1601 
1602     if (opt_terse == FALSE) {
1603         printf("file \"%s\", %d lines.\n", opt_fName, gNumFileLines);
1604     }
1605 
1606 
1607     // Convert the lines to the UNIX encoding.
1608     if (opt_unix) {
1609         UnixConvert();
1610     }
1611 
1612     //
1613     //  Pre-compute ICU sort keys for the lines of the file.
1614     //
1615     int line;
1616     int32_t t;
1617 
1618     for (line=0; line<gNumFileLines; line++) {
1619          t = ucol_getSortKey(gCol, gFileLines[line].name, -1, (unsigned char *)buf, sizeof(buf));
1620          gFileLines[line].icuSortKey  = new char[t];
1621 
1622          if (t > (int32_t)sizeof(buf)) {
1623              t = ucol_getSortKey(gCol, gFileLines[line].name, -1, (unsigned char *)gFileLines[line].icuSortKey , t);
1624          }
1625          else
1626          {
1627              memcpy(gFileLines[line].icuSortKey, buf, t);
1628          }
1629     }
1630 
1631 
1632 
1633     //
1634     //  Pre-compute Windows sort keys for the lines of the file.
1635     //
1636     for (line=0; line<gNumFileLines; line++) {
1637          t=LCMapStringW(gWinLCID, LCMAP_SORTKEY, gFileLines[line].name, -1, buf, sizeof(buf));
1638          gFileLines[line].winSortKey  = new char[t];
1639          if (t > (int32_t)sizeof(buf)) {
1640              t = LCMapStringW(gWinLCID, LCMAP_SORTKEY, gFileLines[line].name, -1, (unsigned short *)(gFileLines[line].winSortKey), t);
1641          }
1642          else
1643          {
1644              memcpy(gFileLines[line].winSortKey, buf, t);
1645          }
1646     }
1647 
1648     //
1649     //  Pre-compute UNIX sort keys for the lines of the file.
1650     //
1651     if (opt_unix) {
1652         for (line=0; line<gNumFileLines; line++) {
1653             t=strxfrm((char *)buf,  gFileLines[line].unixName,  sizeof(buf));
1654             gFileLines[line].unixSortKey  = new char[t];
1655             if (t > (int32_t)sizeof(buf)) {
1656                 t = strxfrm(gFileLines[line].unixSortKey,  gFileLines[line].unixName,  sizeof(buf));
1657             }
1658             else
1659             {
1660                 memcpy(gFileLines[line].unixSortKey, buf, t);
1661             }
1662         }
1663     }
1664 
1665 
1666     //
1667     //  Dump file lines, CEs, Sort Keys if requested.
1668     //
1669     if (opt_dump) {
1670         int  i;
1671         for (line=0; line<gNumFileLines; line++) {
1672             for (i=0;;i++) {
1673                 UChar  c = gFileLines[line].name[i];
1674                 if (c == 0)
1675                     break;
1676                 if (c < 0x20 || c > 0x7e) {
1677                     printf("\\u%.4x", c);
1678                 }
1679                 else {
1680                     printf("%c", c);
1681                 }
1682             }
1683             printf("\n");
1684 
1685             printf("   CEs: ");
1686             UCollationElements *CEiter = ucol_openElements(gCol, gFileLines[line].name, -1, &status);
1687             int32_t ce;
1688             i = 0;
1689             for (;;) {
1690                 ce = ucol_next(CEiter, &status);
1691                 if (ce == UCOL_NULLORDER) {
1692                     break;
1693                 }
1694                 printf(" %.8x", ce);
1695                 if (++i > 8) {
1696                     printf("\n        ");
1697                     i = 0;
1698                 }
1699             }
1700             printf("\n");
1701             ucol_closeElements(CEiter);
1702 
1703 
1704             printf("   ICU Sort Key: ");
1705             for (i=0; ; i++) {
1706                 unsigned char c = gFileLines[line].icuSortKey[i];
1707                 printf("%02x ", c);
1708                 if (c == 0) {
1709                     break;
1710                 }
1711                 if (i > 0 && i % 20 == 0) {
1712                     printf("\n                 ");
1713                 }
1714            }
1715             printf("\n");
1716         }
1717     }
1718 
1719 
1720     //
1721     //  Pre-sort the lines.
1722     //
1723     int i;
1724     gSortedLines = new Line *[gNumFileLines];
1725     for (i=0; i<gNumFileLines; i++) {
1726         gSortedLines[i] = &gFileLines[i];
1727     }
1728 
1729     if (opt_win) {
1730         qsort(gSortedLines, gNumFileLines, sizeof(Line *), Winstrcmp);
1731     }
1732     else if (opt_unix) {
1733         qsort(gSortedLines, gNumFileLines, sizeof(Line *), UNIXstrcmp);
1734     }
1735     else   /* ICU */
1736     {
1737         qsort(gSortedLines, gNumFileLines, sizeof(Line *), ICUstrcmp);
1738     }
1739 
1740 
1741     //
1742     //  Make up a randomized order, will be used for sorting tests.
1743     //
1744     gRandomLines = new Line *[gNumFileLines];
1745     for (i=0; i<gNumFileLines; i++) {
1746         gRandomLines[i] = &gFileLines[i];
1747     }
1748     qsort(gRandomLines, gNumFileLines, sizeof(Line *), ICURandomCmp);
1749 
1750 
1751 
1752 
1753     //
1754     //  We've got the file read into memory.  Go do something with it.
1755     //
1756 
1757     if (opt_qsort)     doQSort();
1758     if (opt_binsearch) doBinarySearch();
1759     if (opt_keygen)    doKeyGen();
1760     if (opt_keyhist)   doKeyHist();
1761     if (opt_itertest)  doIterTest();
1762 
1763     return 0;
1764 
1765 }
1766