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      1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 /********************************************************************
      4  * COPYRIGHT:
      5  * Copyright (c) 2007-2016, International Business Machines Corporation and
      6  * others. All Rights Reserved.
      7  ********************************************************************/
      8 
      9 #include "udbgutil.h"
     10 #include <string.h>
     11 #include "ustr_imp.h"
     12 #include "cmemory.h"
     13 #include "cstring.h"
     14 #include "putilimp.h"
     15 #include "unicode/ulocdata.h"
     16 #include "unicode/ucnv.h"
     17 #include "unicode/unistr.h"
     18 #include "cstr.h"
     19 
     20 /*
     21 To add a new enum type
     22       (For example: UShoeSize  with values USHOE_WIDE=0, USHOE_REGULAR, USHOE_NARROW, USHOE_COUNT)
     23 
     24     0. Make sure that all lines you add are protected with appropriate uconfig guards,
     25         such as '#if !UCONFIG_NO_SHOES'.
     26     1. udbgutil.h:  add  UDBG_UShoeSize to the UDebugEnumType enum before UDBG_ENUM_COUNT
     27       ( The subsequent steps involve this file, udbgutil.cpp )
     28     2. Find the marker "Add new enum types above this line"
     29     3. Before that marker, add a #include of any header file you need.
     30     4. Each enum type has three things in this section:  a #define, a count_, and an array of Fields.
     31        It may help to copy and paste a previous definition.
     32     5. In the case of the USHOE_... strings above, "USHOE_" is common to all values- six characters
     33          " #define LEN_USHOE 6 "
     34        6 characters will strip off "USHOE_" leaving enum values of WIDE, REGULAR, and NARROW.
     35     6. Define the 'count_' variable, with the number of enum values. If the enum has a _MAX or _COUNT value,
     36         that can be helpful for automatically defining the count. Otherwise define it manually.
     37         " static const int32_t count_UShoeSize = USHOE_COUNT; "
     38     7. Define the field names, in order.
     39         " static const Field names_UShoeSize[] =  {
     40         "  FIELD_NAME_STR( LEN_USHOE, USHOE_WIDE ),
     41         "  FIELD_NAME_STR( LEN_USHOE, USHOE_REGULAR ),
     42         "  FIELD_NAME_STR( LEN_USHOE, USHOE_NARROW ),
     43         " };
     44       ( The following command  was usedfor converting ucol.h into partially correct entities )
     45       grep "^[  ]*UCOL" < unicode/ucol.h  |
     46          sed -e 's%^[  ]*\([A-Z]*\)_\([A-Z_]*\).*%   FIELD_NAME_STR( LEN_\1, \1_\2 ),%g'
     47     8. Now, a bit farther down, add the name of the enum itself to the end of names_UDebugEnumType
     48           ( UDebugEnumType is an enum, too!)
     49         names_UDebugEnumType[] { ...
     50             " FIELD_NAME_STR( LEN_UDBG, UDBG_UShoeSize ),   "
     51     9. Find the function _udbg_enumCount  and add the count macro:
     52             " COUNT_CASE(UShoeSize)
     53    10. Find the function _udbg_enumFields  and add the field macro:
     54             " FIELD_CASE(UShoeSize)
     55    11. verify that your test code, and Java data generation, works properly.
     56 */
     57 
     58 /**
     59  * Structure representing an enum value
     60  */
     61 struct Field {
     62     int32_t prefix;   /**< how many characters to remove in the prefix - i.e. UCHAR_ = 5 */
     63 	const char *str;  /**< The actual string value */
     64 	int32_t num;      /**< The numeric value */
     65 };
     66 
     67 /**
     68  * Define another field name. Used in an array of Field s
     69  * @param y the common prefix length (i.e. 6 for "USHOE_" )
     70  * @param x the actual enum value - it will be copied in both string and symbolic form.
     71  * @see Field
     72  */
     73 #define FIELD_NAME_STR(y,x)  { y, #x, x }
     74 
     75 
     76 // TODO: Currently, this whole functionality goes away with UCONFIG_NO_FORMATTING. Should be split up.
     77 #if !UCONFIG_NO_FORMATTING
     78 
     79 // Calendar
     80 #include "unicode/ucal.h"
     81 
     82 // 'UCAL_' = 5
     83 #define LEN_UCAL 5 /* UCAL_ */
     84 static const int32_t count_UCalendarDateFields = UCAL_FIELD_COUNT;
     85 static const Field names_UCalendarDateFields[] =
     86 {
     87     FIELD_NAME_STR( LEN_UCAL, UCAL_ERA ),
     88     FIELD_NAME_STR( LEN_UCAL, UCAL_YEAR ),
     89     FIELD_NAME_STR( LEN_UCAL, UCAL_MONTH ),
     90     FIELD_NAME_STR( LEN_UCAL, UCAL_WEEK_OF_YEAR ),
     91     FIELD_NAME_STR( LEN_UCAL, UCAL_WEEK_OF_MONTH ),
     92     FIELD_NAME_STR( LEN_UCAL, UCAL_DATE ),
     93     FIELD_NAME_STR( LEN_UCAL, UCAL_DAY_OF_YEAR ),
     94     FIELD_NAME_STR( LEN_UCAL, UCAL_DAY_OF_WEEK ),
     95     FIELD_NAME_STR( LEN_UCAL, UCAL_DAY_OF_WEEK_IN_MONTH ),
     96     FIELD_NAME_STR( LEN_UCAL, UCAL_AM_PM ),
     97     FIELD_NAME_STR( LEN_UCAL, UCAL_HOUR ),
     98     FIELD_NAME_STR( LEN_UCAL, UCAL_HOUR_OF_DAY ),
     99     FIELD_NAME_STR( LEN_UCAL, UCAL_MINUTE ),
    100     FIELD_NAME_STR( LEN_UCAL, UCAL_SECOND ),
    101     FIELD_NAME_STR( LEN_UCAL, UCAL_MILLISECOND ),
    102     FIELD_NAME_STR( LEN_UCAL, UCAL_ZONE_OFFSET ),
    103     FIELD_NAME_STR( LEN_UCAL, UCAL_DST_OFFSET ),
    104     FIELD_NAME_STR( LEN_UCAL, UCAL_YEAR_WOY ),
    105     FIELD_NAME_STR( LEN_UCAL, UCAL_DOW_LOCAL ),
    106     FIELD_NAME_STR( LEN_UCAL, UCAL_EXTENDED_YEAR ),
    107     FIELD_NAME_STR( LEN_UCAL, UCAL_JULIAN_DAY ),
    108     FIELD_NAME_STR( LEN_UCAL, UCAL_MILLISECONDS_IN_DAY ),
    109     FIELD_NAME_STR( LEN_UCAL, UCAL_IS_LEAP_MONTH ),
    110 };
    111 
    112 
    113 static const int32_t count_UCalendarMonths = UCAL_UNDECIMBER+1;
    114 static const Field names_UCalendarMonths[] =
    115 {
    116   FIELD_NAME_STR( LEN_UCAL, UCAL_JANUARY ),
    117   FIELD_NAME_STR( LEN_UCAL, UCAL_FEBRUARY ),
    118   FIELD_NAME_STR( LEN_UCAL, UCAL_MARCH ),
    119   FIELD_NAME_STR( LEN_UCAL, UCAL_APRIL ),
    120   FIELD_NAME_STR( LEN_UCAL, UCAL_MAY ),
    121   FIELD_NAME_STR( LEN_UCAL, UCAL_JUNE ),
    122   FIELD_NAME_STR( LEN_UCAL, UCAL_JULY ),
    123   FIELD_NAME_STR( LEN_UCAL, UCAL_AUGUST ),
    124   FIELD_NAME_STR( LEN_UCAL, UCAL_SEPTEMBER ),
    125   FIELD_NAME_STR( LEN_UCAL, UCAL_OCTOBER ),
    126   FIELD_NAME_STR( LEN_UCAL, UCAL_NOVEMBER ),
    127   FIELD_NAME_STR( LEN_UCAL, UCAL_DECEMBER ),
    128   FIELD_NAME_STR( LEN_UCAL, UCAL_UNDECIMBER)
    129 };
    130 
    131 #include "unicode/udat.h"
    132 
    133 #define LEN_UDAT 5 /* "UDAT_" */
    134 static const int32_t count_UDateFormatStyle = UDAT_SHORT+1;
    135 static const Field names_UDateFormatStyle[] =
    136 {
    137         FIELD_NAME_STR( LEN_UDAT, UDAT_FULL ),
    138         FIELD_NAME_STR( LEN_UDAT, UDAT_LONG ),
    139         FIELD_NAME_STR( LEN_UDAT, UDAT_MEDIUM ),
    140         FIELD_NAME_STR( LEN_UDAT, UDAT_SHORT ),
    141         /* end regular */
    142     /*
    143      *  negative enums.. leave out for now.
    144         FIELD_NAME_STR( LEN_UDAT, UDAT_NONE ),
    145         FIELD_NAME_STR( LEN_UDAT, UDAT_PATTERN ),
    146      */
    147 };
    148 
    149 #endif
    150 
    151 #include "unicode/uloc.h"
    152 
    153 #define LEN_UAR 12 /* "ULOC_ACCEPT_" */
    154 static const int32_t count_UAcceptResult = 3;
    155 static const Field names_UAcceptResult[] =
    156 {
    157         FIELD_NAME_STR( LEN_UAR, ULOC_ACCEPT_FAILED ),
    158         FIELD_NAME_STR( LEN_UAR, ULOC_ACCEPT_VALID ),
    159         FIELD_NAME_STR( LEN_UAR, ULOC_ACCEPT_FALLBACK ),
    160 };
    161 
    162 #if !UCONFIG_NO_COLLATION
    163 #include "unicode/ucol.h"
    164 #define LEN_UCOL 5 /* UCOL_ */
    165 static const int32_t count_UColAttributeValue = UCOL_ATTRIBUTE_VALUE_COUNT;
    166 static const Field names_UColAttributeValue[]  = {
    167    FIELD_NAME_STR( LEN_UCOL, UCOL_PRIMARY ),
    168    FIELD_NAME_STR( LEN_UCOL, UCOL_SECONDARY ),
    169    FIELD_NAME_STR( LEN_UCOL, UCOL_TERTIARY ),
    170 //   FIELD_NAME_STR( LEN_UCOL, UCOL_CE_STRENGTH_LIMIT ),
    171    FIELD_NAME_STR( LEN_UCOL, UCOL_QUATERNARY ),
    172    // gap
    173    FIELD_NAME_STR( LEN_UCOL, UCOL_IDENTICAL ),
    174 //   FIELD_NAME_STR( LEN_UCOL, UCOL_STRENGTH_LIMIT ),
    175    FIELD_NAME_STR( LEN_UCOL, UCOL_OFF ),
    176    FIELD_NAME_STR( LEN_UCOL, UCOL_ON ),
    177    // gap
    178    FIELD_NAME_STR( LEN_UCOL, UCOL_SHIFTED ),
    179    FIELD_NAME_STR( LEN_UCOL, UCOL_NON_IGNORABLE ),
    180    // gap
    181    FIELD_NAME_STR( LEN_UCOL, UCOL_LOWER_FIRST ),
    182    FIELD_NAME_STR( LEN_UCOL, UCOL_UPPER_FIRST ),
    183 };
    184 
    185 #endif
    186 
    187 
    188 #if UCONFIG_ENABLE_PLUGINS
    189 #include "unicode/icuplug.h"
    190 
    191 #define LEN_UPLUG_REASON 13 /* UPLUG_REASON_ */
    192 static const int32_t count_UPlugReason = UPLUG_REASON_COUNT;
    193 static const Field names_UPlugReason[]  = {
    194    FIELD_NAME_STR( LEN_UPLUG_REASON, UPLUG_REASON_QUERY ),
    195    FIELD_NAME_STR( LEN_UPLUG_REASON, UPLUG_REASON_LOAD ),
    196    FIELD_NAME_STR( LEN_UPLUG_REASON, UPLUG_REASON_UNLOAD ),
    197 };
    198 
    199 #define LEN_UPLUG_LEVEL 12 /* UPLUG_LEVEL_ */
    200 static const int32_t count_UPlugLevel = UPLUG_LEVEL_COUNT;
    201 static const Field names_UPlugLevel[]  = {
    202    FIELD_NAME_STR( LEN_UPLUG_LEVEL, UPLUG_LEVEL_INVALID ),
    203    FIELD_NAME_STR( LEN_UPLUG_LEVEL, UPLUG_LEVEL_UNKNOWN ),
    204    FIELD_NAME_STR( LEN_UPLUG_LEVEL, UPLUG_LEVEL_LOW ),
    205    FIELD_NAME_STR( LEN_UPLUG_LEVEL, UPLUG_LEVEL_HIGH ),
    206 };
    207 #endif
    208 
    209 #define LEN_UDBG 5 /* "UDBG_" */
    210 static const int32_t count_UDebugEnumType = UDBG_ENUM_COUNT;
    211 static const Field names_UDebugEnumType[] =
    212 {
    213     FIELD_NAME_STR( LEN_UDBG, UDBG_UDebugEnumType ),
    214 #if !UCONFIG_NO_FORMATTING
    215     FIELD_NAME_STR( LEN_UDBG, UDBG_UCalendarDateFields ),
    216     FIELD_NAME_STR( LEN_UDBG, UDBG_UCalendarMonths ),
    217     FIELD_NAME_STR( LEN_UDBG, UDBG_UDateFormatStyle ),
    218 #endif
    219 #if UCONFIG_ENABLE_PLUGINS
    220     FIELD_NAME_STR( LEN_UDBG, UDBG_UPlugReason ),
    221     FIELD_NAME_STR( LEN_UDBG, UDBG_UPlugLevel ),
    222 #endif
    223     FIELD_NAME_STR( LEN_UDBG, UDBG_UAcceptResult ),
    224 #if !UCONFIG_NO_COLLATION
    225     FIELD_NAME_STR( LEN_UDBG, UDBG_UColAttributeValue ),
    226 #endif
    227 };
    228 
    229 
    230 // --- Add new enum types above this line ---
    231 
    232 #define COUNT_CASE(x)  case UDBG_##x: return (actual?count_##x:UPRV_LENGTHOF(names_##x));
    233 #define COUNT_FAIL_CASE(x) case UDBG_##x: return -1;
    234 
    235 #define FIELD_CASE(x)  case UDBG_##x: return names_##x;
    236 #define FIELD_FAIL_CASE(x) case UDBG_##x: return NULL;
    237 
    238 // low level
    239 
    240 /**
    241  * @param type type of item
    242  * @param actual TRUE: for the actual enum's type (UCAL_FIELD_COUNT, etc), or FALSE for the string count
    243  */
    244 static int32_t _udbg_enumCount(UDebugEnumType type, UBool actual) {
    245 	switch(type) {
    246 		COUNT_CASE(UDebugEnumType)
    247 #if !UCONFIG_NO_FORMATTING
    248 		COUNT_CASE(UCalendarDateFields)
    249 		COUNT_CASE(UCalendarMonths)
    250 		COUNT_CASE(UDateFormatStyle)
    251 #endif
    252 #if UCONFIG_ENABLE_PLUGINS
    253         COUNT_CASE(UPlugReason)
    254         COUNT_CASE(UPlugLevel)
    255 #endif
    256         COUNT_CASE(UAcceptResult)
    257 #if !UCONFIG_NO_COLLATION
    258         COUNT_CASE(UColAttributeValue)
    259 #endif
    260 		// COUNT_FAIL_CASE(UNonExistentEnum)
    261 	default:
    262 		return -1;
    263 	}
    264 }
    265 
    266 static const Field* _udbg_enumFields(UDebugEnumType type) {
    267 	switch(type) {
    268 		FIELD_CASE(UDebugEnumType)
    269 #if !UCONFIG_NO_FORMATTING
    270 		FIELD_CASE(UCalendarDateFields)
    271 		FIELD_CASE(UCalendarMonths)
    272 		FIELD_CASE(UDateFormatStyle)
    273 #endif
    274 #if UCONFIG_ENABLE_PLUGINS
    275         FIELD_CASE(UPlugReason)
    276         FIELD_CASE(UPlugLevel)
    277 #endif
    278         FIELD_CASE(UAcceptResult)
    279        // FIELD_FAIL_CASE(UNonExistentEnum)
    280 #if !UCONFIG_NO_COLLATION
    281         FIELD_CASE(UColAttributeValue)
    282 #endif
    283 	default:
    284 		return NULL;
    285 	}
    286 }
    287 
    288 // implementation
    289 
    290 int32_t  udbg_enumCount(UDebugEnumType type) {
    291 	return _udbg_enumCount(type, FALSE);
    292 }
    293 
    294 int32_t  udbg_enumExpectedCount(UDebugEnumType type) {
    295 	return _udbg_enumCount(type, TRUE);
    296 }
    297 
    298 const char *  udbg_enumName(UDebugEnumType type, int32_t field) {
    299 	if(field<0 ||
    300 				field>=_udbg_enumCount(type,FALSE)) { // also will catch unsupported items
    301 		return NULL;
    302 	} else {
    303 		const Field *fields = _udbg_enumFields(type);
    304 		if(fields == NULL) {
    305 			return NULL;
    306 		} else {
    307 			return fields[field].str + fields[field].prefix;
    308 		}
    309 	}
    310 }
    311 
    312 int32_t  udbg_enumArrayValue(UDebugEnumType type, int32_t field) {
    313 	if(field<0 ||
    314 				field>=_udbg_enumCount(type,FALSE)) { // also will catch unsupported items
    315 		return -1;
    316 	} else {
    317 		const Field *fields = _udbg_enumFields(type);
    318 		if(fields == NULL) {
    319 			return -1;
    320 		} else {
    321 			return fields[field].num;
    322 		}
    323 	}
    324 }
    325 
    326 int32_t udbg_enumByName(UDebugEnumType type, const char *value) {
    327     if(type<0||type>=_udbg_enumCount(UDBG_UDebugEnumType, TRUE)) {
    328         return -1; // type out of range
    329     }
    330 	const Field *fields = _udbg_enumFields(type);
    331     if (fields != NULL) {
    332         for(int32_t field = 0;field<_udbg_enumCount(type, FALSE);field++) {
    333             if(!strcmp(value, fields[field].str + fields[field].prefix)) {
    334                 return fields[field].num;
    335             }
    336         }
    337         // try with the prefix
    338         for(int32_t field = 0;field<_udbg_enumCount(type, FALSE);field++) {
    339             if(!strcmp(value, fields[field].str)) {
    340                 return fields[field].num;
    341             }
    342         }
    343     }
    344     // fail
    345     return -1;
    346 }
    347 
    348 /* platform info */
    349 /**
    350  * Print the current platform
    351  */
    352 U_CAPI const char *udbg_getPlatform(void)
    353 {
    354 #if U_PLATFORM_HAS_WIN32_API
    355     return "Windows";
    356 #elif U_PLATFORM == U_PF_UNKNOWN
    357     return "unknown";
    358 #elif U_PLATFORM == U_PF_DARWIN
    359     return "Darwin";
    360 #elif U_PLATFORM == U_PF_BSD
    361     return "BSD";
    362 #elif U_PLATFORM == U_PF_QNX
    363     return "QNX";
    364 #elif U_PLATFORM == U_PF_LINUX
    365     return "Linux";
    366 #elif U_PLATFORM == U_PF_ANDROID
    367     return "Android";
    368 #elif U_PLATFORM == U_PF_CLASSIC_MACOS
    369     return "MacOS (Classic)";
    370 #elif U_PLATFORM == U_PF_OS390
    371     return "IBM z";
    372 #elif U_PLATFORM == U_PF_OS400
    373     return "IBM i";
    374 #else
    375     return "Other (POSIX-like)";
    376 #endif
    377 }
    378 
    379 struct USystemParams;
    380 
    381 typedef int32_t U_CALLCONV USystemParameterCallback(const USystemParams *param, char *target, int32_t targetCapacity, UErrorCode *status);
    382 
    383 struct USystemParams {
    384   const char *paramName;
    385   USystemParameterCallback *paramFunction;
    386   const char *paramStr;
    387   int32_t paramInt;
    388 };
    389 
    390 /* parameter types */
    391 U_CAPI  int32_t
    392 paramEmpty(const USystemParams * /* param */, char *target, int32_t targetCapacity, UErrorCode *status) {
    393   if(U_FAILURE(*status))return 0;
    394   return u_terminateChars(target, targetCapacity, 0, status);
    395 }
    396 
    397 U_CAPI  int32_t
    398 paramStatic(const USystemParams *param, char *target, int32_t targetCapacity, UErrorCode *status) {
    399   if(param->paramStr==NULL) return paramEmpty(param,target,targetCapacity,status);
    400   if(U_FAILURE(*status))return 0;
    401   int32_t len = uprv_strlen(param->paramStr);
    402   if(target!=NULL) {
    403     uprv_strncpy(target,param->paramStr,uprv_min(len,targetCapacity));
    404   }
    405   return u_terminateChars(target, targetCapacity, len, status);
    406 }
    407 
    408 static const char *nullString = "(null)";
    409 
    410 static int32_t stringToStringBuffer(char *target, int32_t targetCapacity, const char *str, UErrorCode *status) {
    411   if(str==NULL) str=nullString;
    412 
    413   int32_t len = uprv_strlen(str);
    414   if (U_SUCCESS(*status)) {
    415     if(target!=NULL) {
    416       uprv_strncpy(target,str,uprv_min(len,targetCapacity));
    417     }
    418   } else {
    419     const char *s = u_errorName(*status);
    420     len = uprv_strlen(s);
    421     if(target!=NULL) {
    422       uprv_strncpy(target,s,uprv_min(len,targetCapacity));
    423     }
    424   }
    425   return u_terminateChars(target, targetCapacity, len, status);
    426 }
    427 
    428 static int32_t integerToStringBuffer(char *target, int32_t targetCapacity, int32_t n, int32_t radix, UErrorCode *status) {
    429   if(U_FAILURE(*status)) return 0;
    430   char str[300];
    431   T_CString_integerToString(str,n,radix);
    432   return stringToStringBuffer(target,targetCapacity,str,status);
    433 }
    434 
    435 U_CAPI  int32_t
    436 paramInteger(const USystemParams *param, char *target, int32_t targetCapacity, UErrorCode *status) {
    437   if(U_FAILURE(*status))return 0;
    438   if(param->paramStr==NULL || param->paramStr[0]=='d') {
    439     return integerToStringBuffer(target,targetCapacity,param->paramInt, 10,status);
    440   } else if(param->paramStr[0]=='x') {
    441     return integerToStringBuffer(target,targetCapacity,param->paramInt, 16,status);
    442   } else if(param->paramStr[0]=='o') {
    443     return integerToStringBuffer(target,targetCapacity,param->paramInt, 8,status);
    444   } else if(param->paramStr[0]=='b') {
    445     return integerToStringBuffer(target,targetCapacity,param->paramInt, 2,status);
    446   } else {
    447     *status = U_INTERNAL_PROGRAM_ERROR;
    448     return 0;
    449   }
    450 }
    451 
    452 
    453 U_CAPI  int32_t
    454 paramCldrVersion(const USystemParams * /* param */, char *target, int32_t targetCapacity, UErrorCode *status) {
    455   if(U_FAILURE(*status))return 0;
    456   char str[200]="";
    457   UVersionInfo icu;
    458 
    459   ulocdata_getCLDRVersion(icu, status);
    460   if(U_SUCCESS(*status)) {
    461     u_versionToString(icu, str);
    462     return stringToStringBuffer(target,targetCapacity,str,status);
    463   } else {
    464     return 0;
    465   }
    466 }
    467 
    468 
    469 #if !UCONFIG_NO_FORMATTING
    470 U_CAPI  int32_t
    471 paramTimezoneDefault(const USystemParams * /* param */, char *target, int32_t targetCapacity, UErrorCode *status) {
    472   if(U_FAILURE(*status))return 0;
    473   UChar buf[100];
    474   char buf2[100];
    475   int32_t len;
    476 
    477   len = ucal_getDefaultTimeZone(buf, 100, status);
    478   if(U_SUCCESS(*status)&&len>0) {
    479     u_UCharsToChars(buf, buf2, len+1);
    480     return stringToStringBuffer(target,targetCapacity, buf2,status);
    481   } else {
    482     return 0;
    483   }
    484 }
    485 #endif
    486 
    487 U_CAPI  int32_t
    488 paramLocaleDefaultBcp47(const USystemParams * /* param */, char *target, int32_t targetCapacity, UErrorCode *status) {
    489   if(U_FAILURE(*status))return 0;
    490   const char *def = uloc_getDefault();
    491   return uloc_toLanguageTag(def,target,targetCapacity,FALSE,status);
    492 }
    493 
    494 
    495 /* simple 1-liner param functions */
    496 #define STRING_PARAM(func, str) U_CAPI  int32_t \
    497   func(const USystemParams *, char *target, int32_t targetCapacity, UErrorCode *status) \
    498   {  return stringToStringBuffer(target,targetCapacity,(str),status); }
    499 
    500 STRING_PARAM(paramIcudataPath, u_getDataDirectory())
    501 STRING_PARAM(paramPlatform, udbg_getPlatform())
    502 STRING_PARAM(paramLocaleDefault, uloc_getDefault())
    503 #if !UCONFIG_NO_CONVERSION
    504 STRING_PARAM(paramConverterDefault, ucnv_getDefaultName())
    505 #endif
    506 
    507 #if !UCONFIG_NO_FORMATTING
    508 STRING_PARAM(paramTimezoneVersion, ucal_getTZDataVersion(status))
    509 #endif
    510 
    511 static const USystemParams systemParams[] = {
    512   { "copyright",    paramStatic, U_COPYRIGHT_STRING,0 },
    513   { "product",      paramStatic, "icu4c",0 },
    514   { "product.full", paramStatic, "International Components for Unicode for C/C++",0 },
    515   { "version",      paramStatic, U_ICU_VERSION,0 },
    516   { "version.unicode", paramStatic, U_UNICODE_VERSION,0 },
    517   { "platform.number", paramInteger, "d",U_PLATFORM},
    518   { "platform.type", paramPlatform, NULL ,0},
    519   { "locale.default", paramLocaleDefault, NULL, 0},
    520   { "locale.default.bcp47", paramLocaleDefaultBcp47, NULL, 0},
    521 #if !UCONFIG_NO_CONVERSION
    522   { "converter.default", paramConverterDefault, NULL, 0},
    523 #endif
    524   { "icudata.name", paramStatic, U_ICUDATA_NAME, 0},
    525   { "icudata.path", paramIcudataPath, NULL, 0},
    526 
    527   { "cldr.version", paramCldrVersion, NULL, 0},
    528 
    529 #if !UCONFIG_NO_FORMATTING
    530   { "tz.version", paramTimezoneVersion, NULL, 0},
    531   { "tz.default", paramTimezoneDefault, NULL, 0},
    532 #endif
    533 
    534   { "cpu.bits",       paramInteger, "d", (sizeof(void*))*8},
    535   { "cpu.big_endian", paramInteger, "b", U_IS_BIG_ENDIAN},
    536   { "os.wchar_width", paramInteger, "d", U_SIZEOF_WCHAR_T},
    537   { "os.charset_family", paramInteger, "d", U_CHARSET_FAMILY},
    538 #if defined (U_HOST)
    539   { "os.host", paramStatic, U_HOST, 0},
    540 #endif
    541 #if defined (U_BUILD)
    542   { "build.build", paramStatic, U_BUILD, 0},
    543 #endif
    544 #if defined (U_CC)
    545   { "build.cc", paramStatic, U_CC, 0},
    546 #endif
    547 #if defined (U_CXX)
    548   { "build.cxx", paramStatic, U_CXX, 0},
    549 #endif
    550 #if defined (CYGWINMSVC)
    551   { "build.cygwinmsvc", paramInteger, "b", 1},
    552 #endif
    553   { "uconfig.internal_digitlist", paramInteger, "b", 1}, /* always 1 */
    554   { "uconfig.have_parseallinput", paramInteger, "b", UCONFIG_HAVE_PARSEALLINPUT},
    555   { "uconfig.format_fastpaths_49",paramInteger, "b", UCONFIG_FORMAT_FASTPATHS_49},
    556 
    557 
    558 };
    559 
    560 #define U_SYSPARAM_COUNT UPRV_LENGTHOF(systemParams)
    561 
    562 U_CAPI const char *udbg_getSystemParameterNameByIndex(int32_t i) {
    563   if(i>=0 && i < (int32_t)U_SYSPARAM_COUNT) {
    564     return systemParams[i].paramName;
    565   } else {
    566     return NULL;
    567   }
    568 }
    569 
    570 
    571 U_CAPI int32_t udbg_getSystemParameterValueByIndex(int32_t i, char *buffer, int32_t bufferCapacity, UErrorCode *status) {
    572   if(i>=0 && i< (int32_t)U_SYSPARAM_COUNT) {
    573     return systemParams[i].paramFunction(&(systemParams[i]),buffer,bufferCapacity,status);
    574   } else {
    575     return 0;
    576   }
    577 }
    578 
    579 U_CAPI void udbg_writeIcuInfo(FILE *out) {
    580   char str[2000];
    581   /* todo: API for writing DTD? */
    582   fprintf(out, " <icuSystemParams type=\"icu4c\">\n");
    583   const char *paramName;
    584   for(int32_t i=0;(paramName=udbg_getSystemParameterNameByIndex(i))!=NULL;i++) {
    585     UErrorCode status2 = U_ZERO_ERROR;
    586     udbg_getSystemParameterValueByIndex(i, str,2000,&status2);
    587     if(U_SUCCESS(status2)) {
    588       fprintf(out,"    <param name=\"%s\">%s</param>\n", paramName,str);
    589     } else {
    590       fprintf(out,"  <!-- n=\"%s\" ERROR: %s -->\n", paramName, u_errorName(status2));
    591     }
    592   }
    593   fprintf(out, " </icuSystemParams>\n");
    594 }
    595 
    596 #define ICU_TRAC_URL "http://bugs.icu-project.org/trac/ticket/"
    597 #define CLDR_TRAC_URL "http://unicode.org/cldr/trac/ticket/"
    598 #define CLDR_TICKET_PREFIX "cldrbug:"
    599 
    600 U_CAPI char *udbg_knownIssueURLFrom(const char *ticket, char *buf) {
    601   if( ticket==NULL ) {
    602     return NULL;
    603   }
    604 
    605   if( !strncmp(ticket, CLDR_TICKET_PREFIX, strlen(CLDR_TICKET_PREFIX)) ) {
    606     strcpy( buf, CLDR_TRAC_URL );
    607     strcat( buf, ticket+strlen(CLDR_TICKET_PREFIX) );
    608   } else {
    609     strcpy( buf, ICU_TRAC_URL );
    610     strcat( buf, ticket );
    611   }
    612   return buf;
    613 }
    614 
    615 
    616 #if !U_HAVE_STD_STRING
    617 const char *warning = "WARNING: Don't have std::string (STL) - known issue logs will be deficient.";
    618 
    619 U_CAPI void *udbg_knownIssue_openU(void *ptr, const char *ticket, char *where, const UChar *msg, UBool *firstForTicket,
    620                                    UBool *firstForWhere) {
    621   if(ptr==NULL) {
    622     puts(warning);
    623   }
    624   printf("%s\tKnown Issue #%s\n", where, ticket);
    625 
    626   return (void*)warning;
    627 }
    628 
    629 U_CAPI void *udbg_knownIssue_open(void *ptr, const char *ticket, char *where, const char *msg, UBool *firstForTicket,
    630                                    UBool *firstForWhere) {
    631   if(ptr==NULL) {
    632     puts(warning);
    633   }
    634   if(msg==NULL) msg = "";
    635   printf("%s\tKnown Issue #%s  \"%s\n", where, ticket, msg);
    636 
    637   return (void*)warning;
    638 }
    639 
    640 U_CAPI UBool udbg_knownIssue_print(void *ptr) {
    641   puts(warning);
    642   return FALSE;
    643 }
    644 
    645 U_CAPI void udbg_knownIssue_close(void *ptr) {
    646   // nothing to do
    647 }
    648 #else
    649 
    650 #include <set>
    651 #include <map>
    652 #include <string>
    653 #include <ostream>
    654 #include <iostream>
    655 
    656 class KnownIssues {
    657 public:
    658   KnownIssues();
    659   ~KnownIssues();
    660   void add(const char *ticket, const char *where, const UChar *msg, UBool *firstForTicket, UBool *firstForWhere);
    661   void add(const char *ticket, const char *where, const char *msg, UBool *firstForTicket, UBool *firstForWhere);
    662   UBool print();
    663 private:
    664   std::map< std::string,
    665             std::map < std::string, std::set < std::string > > > fTable;
    666 };
    667 
    668 KnownIssues::KnownIssues()
    669   : fTable()
    670 {
    671 }
    672 
    673 KnownIssues::~KnownIssues()
    674 {
    675 }
    676 
    677 void KnownIssues::add(const char *ticket, const char *where, const UChar *msg, UBool *firstForTicket, UBool *firstForWhere)
    678 {
    679   if(fTable.find(ticket) == fTable.end()) {
    680     if(firstForTicket!=NULL) *firstForTicket = TRUE;
    681     fTable[ticket] = std::map < std::string, std::set < std::string > >();
    682   } else {
    683     if(firstForTicket!=NULL) *firstForTicket = FALSE;
    684   }
    685   if(where==NULL) return;
    686 
    687   if(fTable[ticket].find(where) == fTable[ticket].end()) {
    688     if(firstForWhere!=NULL) *firstForWhere = TRUE;
    689     fTable[ticket][where] = std::set < std::string >();
    690   } else {
    691     if(firstForWhere!=NULL) *firstForWhere = FALSE;
    692   }
    693   if(msg==NULL || !*msg) return;
    694 
    695   const icu::UnicodeString ustr(msg);
    696 
    697   fTable[ticket][where].insert(std::string(icu::CStr(ustr)()));
    698 }
    699 
    700 void KnownIssues::add(const char *ticket, const char *where, const char *msg, UBool *firstForTicket, UBool *firstForWhere)
    701 {
    702   if(fTable.find(ticket) == fTable.end()) {
    703     if(firstForTicket!=NULL) *firstForTicket = TRUE;
    704     fTable[ticket] = std::map < std::string, std::set < std::string > >();
    705   } else {
    706     if(firstForTicket!=NULL) *firstForTicket = FALSE;
    707   }
    708   if(where==NULL) return;
    709 
    710   if(fTable[ticket].find(where) == fTable[ticket].end()) {
    711     if(firstForWhere!=NULL) *firstForWhere = TRUE;
    712     fTable[ticket][where] = std::set < std::string >();
    713   } else {
    714     if(firstForWhere!=NULL) *firstForWhere = FALSE;
    715   }
    716   if(msg==NULL || !*msg) return;
    717 
    718   std::string str(msg);
    719   fTable[ticket][where].insert(str);
    720 }
    721 
    722 UBool KnownIssues::print()
    723 {
    724   if(fTable.empty()) {
    725     return FALSE;
    726   }
    727 
    728   std::cout << "KNOWN ISSUES" << std::endl;
    729   for( std::map<  std::string,
    730           std::map <  std::string,  std::set <  std::string > > >::iterator i = fTable.begin();
    731        i != fTable.end();
    732        i++ ) {
    733     char URL[1024];
    734     std::cout << '#' << (*i).first << " <" << udbg_knownIssueURLFrom( (*i).first.c_str(), URL ) << ">" << std::endl;
    735 
    736     for( std::map< std::string, std::set < std::string > >::iterator ii = (*i).second.begin();
    737          ii != (*i).second.end();
    738          ii++ ) {
    739       std::cout << "  " << (*ii).first << std::endl;
    740       for ( std::set < std::string >::iterator iii = (*ii).second.begin();
    741             iii != (*ii).second.end();
    742             iii++ ) {
    743         std::cout << "     " << '"' << (*iii) << '"' << std::endl;
    744       }
    745     }
    746   }
    747   return TRUE;
    748 }
    749 
    750 U_CAPI void *udbg_knownIssue_openU(void *ptr, const char *ticket, char *where, const UChar *msg, UBool *firstForTicket,
    751                                    UBool *firstForWhere) {
    752   KnownIssues *t = static_cast<KnownIssues*>(ptr);
    753   if(t==NULL) {
    754     t = new KnownIssues();
    755   }
    756 
    757   t->add(ticket, where, msg, firstForTicket, firstForWhere);
    758 
    759   return static_cast<void*>(t);
    760 }
    761 
    762 U_CAPI void *udbg_knownIssue_open(void *ptr, const char *ticket, char *where, const char *msg, UBool *firstForTicket,
    763                                    UBool *firstForWhere) {
    764   KnownIssues *t = static_cast<KnownIssues*>(ptr);
    765   if(t==NULL) {
    766     t = new KnownIssues();
    767   }
    768 
    769   t->add(ticket, where, msg, firstForTicket, firstForWhere);
    770 
    771   return static_cast<void*>(t);
    772 }
    773 
    774 U_CAPI UBool udbg_knownIssue_print(void *ptr) {
    775   KnownIssues *t = static_cast<KnownIssues*>(ptr);
    776   if(t==NULL) {
    777     return FALSE;
    778   } else {
    779     t->print();
    780     return TRUE;
    781   }
    782 }
    783 
    784 U_CAPI void udbg_knownIssue_close(void *ptr) {
    785   KnownIssues *t = static_cast<KnownIssues*>(ptr);
    786   delete t;
    787 }
    788 
    789 #endif
    790