icuSources/test/intltest/testidn.cpp

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 2003-2013, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *   file name:  testidn.cpp
   9 *   encoding:   US-ASCII
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created on: 2003-02-06
  14 *   created by: Ram Viswanadha
  15 *
  16 *   This program reads the rfc3454_*.txt files,
  17 *   parses them, and extracts the data for Nameprep conformance.
  18 *   It then preprocesses it and writes a binary file for efficient use
  19 *   in various IDNA conversion processes.
  20 */
  21
  22 #include "unicode/utypes.h"
  23
  24 #if !UCONFIG_NO_IDNA && !UCONFIG_NO_TRANSLITERATION
  25
  26 #define USPREP_TYPE_NAMES_ARRAY
  27
  28 #include "unicode/uchar.h"
  29 #include "unicode/putil.h"
  30 #include "cmemory.h"
  31 #include "cstring.h"
  32 #include "unicode/udata.h"
  33 #include "unicode/utf16.h"
  34 #include "unewdata.h"
  35 #include "uoptions.h"
  36 #include "uparse.h"
  37 #include "utrie.h"
  38 #include "umutex.h"
  39 #include "sprpimpl.h"
  40 #include "testidna.h"
  41 #include "punyref.h"
  42 #include <stdlib.h>
  43
  44 UBool beVerbose=FALSE, haveCopyright=TRUE;
  45
  46 /* prototypes --------------------------------------------------------------- */
  47
  48
  49 static void
  50 parseMappings(const char *filename, UBool reportError,TestIDNA& test, UErrorCode *pErrorCode);
  51
  52 static void
  53 compareMapping(uint32_t codepoint, uint32_t* mapping, int32_t mapLength,
  54                UStringPrepType option);
  55
  56 static void
  57 compareFlagsForRange(uint32_t start, uint32_t end,UStringPrepType option);
  58
  59 static void
  60 testAllCodepoints(TestIDNA& test);
  61
  62 static TestIDNA* pTestIDNA =NULL;
  63
  64 static const char* fileNames[] = {
  65                                     "rfc3491.txt"
  66                                  };
  67 static const UTrie *idnTrie              = NULL;
  68 static const int32_t *indexes            = NULL;
  69 static const uint16_t *mappingData       = NULL;
  70 /* -------------------------------------------------------------------------- */
  71
  72 /* file definitions */
  73 #define DATA_TYPE "icu"
  74
  75 #define SPREP_DIR "sprep"
  76
  77 extern int
  78 testData(TestIDNA& test) {
  79     char *basename=NULL;
  80     UErrorCode errorCode=U_ZERO_ERROR;
  81     char *saveBasename =NULL;
  82
  83     LocalUStringPrepProfilePointer profile(usprep_openByType(USPREP_RFC3491_NAMEPREP, &errorCode));
  84     if(U_FAILURE(errorCode)){
  85         test.errcheckln(errorCode, "Failed to load IDNA data file. " + UnicodeString(u_errorName(errorCode)));
  86         return errorCode;
  87     }
  88
  89     char* filename = (char*) malloc(strlen(IntlTest::pathToDataDirectory())*1024);
  90     //TODO get the srcDir dynamically
  91     const char *srcDir=IntlTest::pathToDataDirectory();
  92
  93     idnTrie     = &profile->sprepTrie;
  94     indexes     = profile->indexes;
  95     mappingData = profile->mappingData;
  96
  97     //initialize
  98     pTestIDNA = &test;
  99
 100     /* prepare the filename beginning with the source dir */
 101     if(uprv_strchr(srcDir,U_FILE_SEP_CHAR) == NULL){
 102         filename[0] = 0x2E;
 103         filename[1] = U_FILE_SEP_CHAR;
 104         uprv_strcpy(filename+2,srcDir);
 105     }else{
 106         uprv_strcpy(filename, srcDir);
 107     }
 108     basename=filename+uprv_strlen(filename);
 109     if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
 110         *basename++=U_FILE_SEP_CHAR;
 111     }
 112
 113     /* process unassigned */
 114     basename=filename+uprv_strlen(filename);
 115     if(basename>filename && *(basename-1)!=U_FILE_SEP_CHAR) {
 116         *basename++=U_FILE_SEP_CHAR;
 117     }
 118
 119     /* first copy misc directory */
 120     saveBasename = basename;
 121     (void)saveBasename;    // Suppress set but not used warning.
 122     uprv_strcpy(basename,SPREP_DIR);
 123     basename = basename + uprv_strlen(SPREP_DIR);
 124     *basename++=U_FILE_SEP_CHAR;
 125
 126     /* process unassigned */
 127     uprv_strcpy(basename,fileNames[0]);
 128     parseMappings(filename,TRUE, test,&errorCode);
 129     if(U_FAILURE(errorCode)) {
 130         test.errln( "Could not open file %s for reading \n", filename);
 131         return errorCode;
 132     }
 133
 134     testAllCodepoints(test);
 135
 136     pTestIDNA = NULL;
 137     free(filename);
 138     return errorCode;
 139 }
 140 U_CDECL_BEGIN
 141
 142 static void U_CALLCONV
 143 strprepProfileLineFn(void * /*context*/,
 144               char *fields[][2], int32_t fieldCount,
 145               UErrorCode *pErrorCode) {
 146     uint32_t mapping[40];
 147     char *end, *map;
 148     uint32_t code;
 149     int32_t length;
 150    /*UBool* mapWithNorm = (UBool*) context;*/
 151     const char* typeName;
 152     uint32_t rangeStart=0,rangeEnd =0;
 153     const char *s;
 154
 155     s = u_skipWhitespace(fields[0][0]);
 156     if (*s == '@') {
 157         /* a special directive introduced in 4.2 */
 158         return;
 159     }
 160
 161     if(fieldCount != 3){
 162         *pErrorCode = U_INVALID_FORMAT_ERROR;
 163         return;
 164     }
 165
 166     typeName = fields[2][0];
 167     map = fields[1][0];
 168
 169     if(uprv_strstr(typeName, usprepTypeNames[USPREP_UNASSIGNED])!=NULL){
 170
 171         u_parseCodePointRange(s, &rangeStart,&rangeEnd, pErrorCode);
 172
 173         /* store the range */
 174         compareFlagsForRange(rangeStart,rangeEnd,USPREP_UNASSIGNED);
 175
 176     }else if(uprv_strstr(typeName, usprepTypeNames[USPREP_PROHIBITED])!=NULL){
 177
 178         u_parseCodePointRange(s, &rangeStart,&rangeEnd, pErrorCode);
 179
 180         /* store the range */
 181         compareFlagsForRange(rangeStart,rangeEnd,USPREP_PROHIBITED);
 182
 183     }else if(uprv_strstr(typeName, usprepTypeNames[USPREP_MAP])!=NULL){
 184         /* get the character code, field 0 */
 185         code=(uint32_t)uprv_strtoul(s, &end, 16);
 186
 187         /* parse the mapping string */
 188         length=u_parseCodePoints(map, mapping, sizeof(mapping)/4, pErrorCode);
 189
 190         /* store the mapping */
 191         compareMapping(code,mapping, length,USPREP_MAP);
 192
 193     }else{
 194         *pErrorCode = U_INVALID_FORMAT_ERROR;
 195     }
 196
 197 }
 198
 199 U_CDECL_END
 200
 201 static void
 202 parseMappings(const char *filename,UBool reportError, TestIDNA& test, UErrorCode *pErrorCode) {
 203     char *fields[3][2];
 204
 205     if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
 206         return;
 207     }
 208
 209     u_parseDelimitedFile(filename, ';', fields, 3, strprepProfileLineFn, (void*)filename, pErrorCode);
 210
 211     //fprintf(stdout,"Number of code points that have mappings with length >1 : %i\n",len);
 212
 213     if(U_FAILURE(*pErrorCode) && (reportError || *pErrorCode!=U_FILE_ACCESS_ERROR)) {
 214         test.errln( "testidn error: u_parseDelimitedFile(\"%s\") failed - %s\n", filename, u_errorName(*pErrorCode));
 215     }
 216 }
 217
 218
 219 static inline UStringPrepType
 220 getValues(uint32_t result, int32_t& value, UBool& isIndex){
 221
 222     UStringPrepType type;
 223
 224     if(result == 0){
 225         /*
 226          * Initial value stored in the mapping table
 227          * just return USPREP_TYPE_LIMIT .. so that
 228          * the source codepoint is copied to the destination
 229          */
 230         type = USPREP_TYPE_LIMIT;
 231         isIndex =FALSE;
 232         value = 0;
 233     }else if(result >= _SPREP_TYPE_THRESHOLD){
 234         type = (UStringPrepType) (result - _SPREP_TYPE_THRESHOLD);
 235         isIndex =FALSE;
 236         value = 0;
 237     }else{
 238         /* get the state */
 239         type = USPREP_MAP;
 240         /* ascertain if the value is index or delta */
 241         if(result & 0x02){
 242             isIndex = TRUE;
 243             value = result  >> 2; //mask off the lower 2 bits and shift
 244
 245         }else{
 246             isIndex = FALSE;
 247             value = (int16_t)result;
 248             value =  (value >> 2);
 249
 250         }
 251         if((result>>2) == _SPREP_MAX_INDEX_VALUE){
 252             type = USPREP_DELETE;
 253             isIndex =FALSE;
 254             value = 0;
 255         }
 256     }
 257     return type;
 258 }
 259
 260
 261
 262 static void
 263 testAllCodepoints(TestIDNA& test){
 264     /*
 265     {
 266         UChar str[19] = {
 267                             0xC138, 0xACC4, 0xC758, 0xBAA8, 0xB4E0, 0xC0AC, 0xB78C, 0xB4E4, 0xC774,
 268                             0x070F,//prohibited
 269                             0xD55C, 0xAD6D, 0xC5B4, 0xB97C, 0xC774, 0xD574, 0xD55C, 0xB2E4, 0xBA74
 270                         };
 271         uint32_t in[19] = {0};
 272         UErrorCode status = U_ZERO_ERROR;
 273         int32_t inLength=0, outLength=100;
 274         char output[100] = {0};
 275         punycode_status error;
 276         u_strToUTF32((UChar32*)in,19,&inLength,str,19,&status);
 277
 278         error= punycode_encode(inLength, in, NULL, (uint32_t*)&outLength, output);
 279         printf(output);
 280
 281     }
 282     */
 283
 284     uint32_t i = 0;
 285     int32_t unassigned      = 0;
 286     int32_t prohibited      = 0;
 287     int32_t mappedWithNorm  = 0;
 288     int32_t mapped          = 0;
 289     int32_t noValueInTrie   = 0;
 290
 291     UStringPrepType type;
 292     int32_t value;
 293     UBool isIndex = FALSE;
 294
 295     for(i=0;i<=0x10FFFF;i++){
 296         uint32_t result = 0;
 297         UTRIE_GET16(idnTrie,i, result);
 298         type = getValues(result,value, isIndex);
 299         if(type != USPREP_TYPE_LIMIT ){
 300             if(type == USPREP_UNASSIGNED){
 301                 unassigned++;
 302             }
 303             if(type == USPREP_PROHIBITED){
 304                 prohibited++;
 305             }
 306             if(type == USPREP_MAP){
 307                 mapped++;
 308             }
 309         }else{
 310             noValueInTrie++;
 311             if(result > 0){
 312                 test.errln("The return value for 0x%06X is wrong. %i\n",i,result);
 313             }
 314         }
 315     }
 316
 317     test.logln("Number of Unassinged code points : %i \n",unassigned);
 318     test.logln("Number of Prohibited code points : %i \n",prohibited);
 319     test.logln("Number of Mapped code points : %i \n",mapped);
 320     test.logln("Number of Mapped with NFKC code points : %i \n",mappedWithNorm);
 321     test.logln("Number of code points that have no value in Trie: %i \n",noValueInTrie);
 322
 323
 324 }
 325
 326 static void
 327 compareMapping(uint32_t codepoint, uint32_t* mapping,int32_t mapLength,
 328                UStringPrepType type){
 329     uint32_t result = 0;
 330     UTRIE_GET16(idnTrie,codepoint, result);
 331
 332     int32_t length=0;
 333     UBool isIndex;
 334     UStringPrepType retType;
 335     int32_t value, index=0, delta=0;
 336
 337     retType = getValues(result,value,isIndex);
 338
 339
 340     if(type != retType && retType != USPREP_DELETE){
 341
 342         pTestIDNA->errln( "Did not get the assigned type for codepoint 0x%08X. Expected: %i Got: %i\n",codepoint, USPREP_MAP, type);
 343
 344     }
 345
 346     if(isIndex){
 347         index = value;
 348         if(index >= indexes[_SPREP_ONE_UCHAR_MAPPING_INDEX_START] &&
 349                  index < indexes[_SPREP_TWO_UCHARS_MAPPING_INDEX_START]){
 350             length = 1;
 351         }else if(index >= indexes[_SPREP_TWO_UCHARS_MAPPING_INDEX_START] &&
 352                  index < indexes[_SPREP_THREE_UCHARS_MAPPING_INDEX_START]){
 353             length = 2;
 354         }else if(index >= indexes[_SPREP_THREE_UCHARS_MAPPING_INDEX_START] &&
 355                  index < indexes[_SPREP_FOUR_UCHARS_MAPPING_INDEX_START]){
 356             length = 3;
 357         }else{
 358             length = mappingData[index++];
 359         }
 360     }else{
 361         delta = value;
 362         length = (retType == USPREP_DELETE)? 0 :  1;
 363     }
 364
 365     int32_t realLength =0;
 366     /* figure out the real length */
 367     for(int32_t j=0; j<mapLength; j++){
 368         if(mapping[j] > 0xFFFF){
 369             realLength +=2;
 370         }else{
 371             realLength++;
 372         }
 373     }
 374
 375     if(realLength != length){
 376         pTestIDNA->errln( "Did not get the expected length. Expected: %i Got: %i\n", mapLength, length);
 377     }
 378
 379     if(isIndex){
 380         for(int8_t i =0; i< mapLength; i++){
 381             if(mapping[i] <= 0xFFFF){
 382                 if(mappingData[index+i] != (uint16_t)mapping[i]){
 383                     pTestIDNA->errln("Did not get the expected result. Expected: 0x%04X Got: 0x%04X \n", mapping[i], mappingData[index+i]);
 384                 }
 385             }else{
 386                 UChar lead  = U16_LEAD(mapping[i]);
 387                 UChar trail = U16_TRAIL(mapping[i]);
 388                 if(mappingData[index+i] != lead ||
 389                     mappingData[index+i+1] != trail){
 390                     pTestIDNA->errln( "Did not get the expected result. Expected: 0x%04X 0x%04X  Got: 0x%04X 0x%04X", lead, trail, mappingData[index+i], mappingData[index+i+1]);
 391                 }
 392             }
 393         }
 394     }else{
 395         if(retType!=USPREP_DELETE && (codepoint-delta) != (uint16_t)mapping[0]){
 396             pTestIDNA->errln("Did not get the expected result. Expected: 0x%04X Got: 0x%04X \n", mapping[0],(codepoint-delta));
 397         }
 398     }
 399
 400 }
 401
 402 static void
 403 compareFlagsForRange(uint32_t start, uint32_t end,
 404                      UStringPrepType type){
 405
 406     uint32_t result =0 ;
 407     UStringPrepType retType;
 408     UBool isIndex=FALSE;
 409     int32_t value=0;
 410 /*
 411     // supplementary code point
 412     UChar __lead16=U16_LEAD(0x2323E);
 413     int32_t __offset;
 414
 415     // get data for lead surrogate
 416     (result)=_UTRIE_GET_RAW((&idnTrie), index, 0, (__lead16));
 417     __offset=(&idnTrie)->getFoldingOffset(result);
 418
 419     // get the real data from the folded lead/trail units
 420     if(__offset>0) {
 421         (result)=_UTRIE_GET_RAW((&idnTrie), index, __offset, (0x2323E)&0x3ff);
 422     } else {
 423         (result)=(uint32_t)((&idnTrie)->initialValue);
 424     }
 425
 426     UTRIE_GET16(&idnTrie,0x2323E, result);
 427 */
 428     while(start < end+1){
 429         UTRIE_GET16(idnTrie,start, result);
 430         retType = getValues(result,value,isIndex);
 431         if(result > _SPREP_TYPE_THRESHOLD){
 432             if(retType != type){
 433                 pTestIDNA->errln( "FAIL: Did not get the expected type for 0x%06X. Expected: %s Got: %s\n",start,usprepTypeNames[type], usprepTypeNames[retType]);
 434             }
 435         }else{
 436             if(type == USPREP_PROHIBITED && ((result & 0x01) != 0x01)){
 437                 pTestIDNA->errln( "FAIL: Did not get the expected type for 0x%06X. Expected: %s Got: %s\n",start,usprepTypeNames[type], usprepTypeNames[retType]);
 438             }
 439         }
 440
 441         start++;
 442     }
 443
 444 }
 445
 446
 447 #endif /* #if !UCONFIG_NO_IDNA */
 448
 449 /*
 450  * Hey, Emacs, please set the following:
 451  *
 452  * Local Variables:
 453  * indent-tabs-mode: nil
 454  * End:
 455  *
 456  */