16f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* 26f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ******************************************************************************* 36f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 46f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Copyright (C) 2003-2013, International Business Machines 56f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Corporation and others. All Rights Reserved. 66f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 76f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ******************************************************************************* 86f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * file name: usprep.cpp 96f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * encoding: US-ASCII 106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * tab size: 8 (not used) 116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * indentation:4 126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * 136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * created on: 2003jul2 146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * created by: Ram Viswanadha 156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/utypes.h" 186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#if !UCONFIG_NO_IDNA 206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/usprep.h" 226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/unorm.h" 246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/ustring.h" 256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/uchar.h" 266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/uversion.h" 276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "umutex.h" 286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "cmemory.h" 296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "sprpimpl.h" 306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "ustr_imp.h" 316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "uhash.h" 326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "cstring.h" 336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "udataswp.h" 346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "ucln_cmn.h" 356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "ubidi_props.h" 366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_NAMESPACE_USE 386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CDECL_BEGIN 406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* 426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgStatic cache for already opened StringPrep profiles 436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org*/ 446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UHashtable *SHARED_DATA_HASHTABLE = NULL; 456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic icu::UInitOnce gSharedDataInitOnce; 466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UMutex usprepMutex = U_MUTEX_INITIALIZER; 486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* format version of spp file */ 506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org//static uint8_t formatVersion[4]={ 0, 0, 0, 0 }; 516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* the Unicode version of the sprep data */ 536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UVersionInfo dataVersion={ 0, 0, 0, 0 }; 546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* Profile names must be aligned to UStringPrepProfileType */ 566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic const char * const PROFILE_NAMES[] = { 576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3491", /* USPREP_RFC3491_NAMEPREP */ 586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3530cs", /* USPREP_RFC3530_NFS4_CS_PREP */ 596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3530csci", /* USPREP_RFC3530_NFS4_CS_PREP_CI */ 606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3491", /* USPREP_RFC3530_NSF4_CIS_PREP */ 616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3530mixp", /* USPREP_RFC3530_NSF4_MIXED_PREP_PREFIX */ 626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3491", /* USPREP_RFC3530_NSF4_MIXED_PREP_SUFFIX */ 636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3722", /* USPREP_RFC3722_ISCSI */ 646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3920node", /* USPREP_RFC3920_NODEPREP */ 656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc3920res", /* USPREP_RFC3920_RESOURCEPREP */ 666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc4011", /* USPREP_RFC4011_MIB */ 676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc4013", /* USPREP_RFC4013_SASLPREP */ 686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc4505", /* USPREP_RFC4505_TRACE */ 696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc4518", /* USPREP_RFC4518_LDAP */ 706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org "rfc4518ci", /* USPREP_RFC4518_LDAP_CI */ 716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org}; 726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool U_CALLCONV 746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgisSPrepAcceptable(void * /* context */, 756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char * /* type */, 766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char * /* name */, 776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UDataInfo *pInfo) { 786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( 796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->size>=20 && 806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->isBigEndian==U_IS_BIG_ENDIAN && 816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->charsetFamily==U_CHARSET_FAMILY && 826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[0]==0x53 && /* dataFormat="SPRP" */ 836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[1]==0x50 && 846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[2]==0x52 && 856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[3]==0x50 && 866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->formatVersion[0]==3 && 876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->formatVersion[2]==UTRIE_SHIFT && 886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->formatVersion[3]==UTRIE_INDEX_SHIFT 896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //uprv_memcpy(formatVersion, pInfo->formatVersion, 4); 916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_memcpy(dataVersion, pInfo->dataVersion, 4); 926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return TRUE; 936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t U_CALLCONV 996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orggetSPrepFoldingOffset(uint32_t data) { 1006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return (int32_t)data; 1026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* hashes an entry */ 1066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t U_CALLCONV 1076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orghashEntry(const UHashTok parm) { 1086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepKey *b = (UStringPrepKey *)parm.pointer; 1096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UHashTok namekey, pathkey; 1106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org namekey.pointer = b->name; 1116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pathkey.pointer = b->path; 1126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return uhash_hashChars(namekey)+37*uhash_hashChars(pathkey); 1136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* compares two entries */ 1166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool U_CALLCONV 1176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgcompareEntries(const UHashTok p1, const UHashTok p2) { 1186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepKey *b1 = (UStringPrepKey *)p1.pointer; 1196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepKey *b2 = (UStringPrepKey *)p2.pointer; 1206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UHashTok name1, name2, path1, path2; 1216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org name1.pointer = b1->name; 1226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org name2.pointer = b2->name; 1236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org path1.pointer = b1->path; 1246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org path2.pointer = b2->path; 1256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return ((UBool)(uhash_compareChars(name1, name2) & 1266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uhash_compareChars(path1, path2))); 1276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 1306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_unload(UStringPrepProfile* data){ 1316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_close(data->sprepData); 1326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t 1356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_internal_flushCache(UBool noRefCount){ 1366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepProfile *profile = NULL; 1376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepKey *key = NULL; 1386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t pos = -1; 1396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t deletedNum = 0; 1406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UHashElement *e; 1416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 1436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * if shared data hasn't even been lazy evaluated yet 1446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * return 0 1456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 1466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_lock(&usprepMutex); 1476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (SHARED_DATA_HASHTABLE == NULL) { 1486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_unlock(&usprepMutex); 1496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 1506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /*creates an enumeration to iterate through every element in the table */ 1536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org while ((e = uhash_nextElement(SHARED_DATA_HASHTABLE, &pos)) != NULL) 1546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org { 1556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile = (UStringPrepProfile *) e->value.pointer; 1566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org key = (UStringPrepKey *) e->key.pointer; 1576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if ((noRefCount== FALSE && profile->refCount == 0) || 1596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org noRefCount== TRUE) { 1606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org deletedNum++; 1616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uhash_removeElement(SHARED_DATA_HASHTABLE, e); 1626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* unload the data */ 1646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org usprep_unload(profile); 1656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(key->name != NULL) { 1676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_free(key->name); 1686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org key->name=NULL; 1696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(key->path != NULL) { 1716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_free(key->path); 1726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org key->path=NULL; 1736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_free(profile); 1756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_free(key); 1766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_unlock(&usprepMutex); 1806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return deletedNum; 1826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* Works just like ucnv_flushCache() 1856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t 1866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_flushCache(){ 1876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return usprep_internal_flushCache(FALSE); 1886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 1896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org*/ 1906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool U_CALLCONV usprep_cleanup(void){ 1926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (SHARED_DATA_HASHTABLE != NULL) { 1936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org usprep_internal_flushCache(TRUE); 1946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (SHARED_DATA_HASHTABLE != NULL && uhash_count(SHARED_DATA_HASHTABLE) == 0) { 1956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uhash_close(SHARED_DATA_HASHTABLE); 1966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org SHARED_DATA_HASHTABLE = NULL; 1976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 1996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org gSharedDataInitOnce.reset(); 2006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return (SHARED_DATA_HASHTABLE == NULL); 2016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CDECL_END 2036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/** Initializes the cache for resources */ 2066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void U_CALLCONV 2076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgcreateCache(UErrorCode &status) { 2086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org SHARED_DATA_HASHTABLE = uhash_open(hashEntry, compareEntries, NULL, &status); 2096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (U_FAILURE(status)) { 2106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org SHARED_DATA_HASHTABLE = NULL; 2116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ucln_common_registerCleanup(UCLN_COMMON_USPREP, usprep_cleanup); 2136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic void 2166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orginitCache(UErrorCode *status) { 2176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_initOnce(gSharedDataInitOnce, &createCache, *status); 2186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UBool U_CALLCONV 2216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgloadData(UStringPrepProfile* profile, 2226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char* path, 2236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char* name, 2246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char* type, 2256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode* errorCode) { 2266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* load Unicode SPREP data from file */ 2276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UTrie _sprepTrie={ 0,0,0,0,0,0,0 }; 2286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UDataMemory *dataMemory; 2296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const int32_t *p=NULL; 2306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const uint8_t *pb; 2316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UVersionInfo normUnicodeVersion; 2326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t normUniVer, sprepUniVer, normCorrVer; 2336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(errorCode==NULL || U_FAILURE(*errorCode)) { 2356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 2366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* open the data outside the mutex block */ 2396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //TODO: change the path 2406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dataMemory=udata_openChoice(path, type, name, isSPrepAcceptable, NULL, errorCode); 2416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(*errorCode)) { 2426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 2436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org p=(const int32_t *)udata_getMemory(dataMemory); 2466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pb=(const uint8_t *)(p+_SPREP_INDEX_TOP); 2476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org utrie_unserialize(&_sprepTrie, pb, p[_SPREP_INDEX_TRIE_SIZE], errorCode); 2486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org _sprepTrie.getFoldingOffset=getSPrepFoldingOffset; 2496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(*errorCode)) { 2526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_close(dataMemory); 2536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 2546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* in the mutex block, set the data for this process */ 2576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_lock(&usprepMutex); 2586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile->sprepData==NULL) { 2596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->sprepData=dataMemory; 2606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dataMemory=NULL; 2616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_memcpy(&profile->indexes, p, sizeof(profile->indexes)); 2626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_memcpy(&profile->sprepTrie, &_sprepTrie, sizeof(UTrie)); 2636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } else { 2646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org p=(const int32_t *)udata_getMemory(profile->sprepData); 2656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_unlock(&usprepMutex); 2676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* initialize some variables */ 2686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->mappingData=(uint16_t *)((uint8_t *)(p+_SPREP_INDEX_TOP)+profile->indexes[_SPREP_INDEX_TRIE_SIZE]); 2696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_getUnicodeVersion(normUnicodeVersion); 2716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org normUniVer = (normUnicodeVersion[0] << 24) + (normUnicodeVersion[1] << 16) + 2726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (normUnicodeVersion[2] << 8 ) + (normUnicodeVersion[3]); 2736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org sprepUniVer = (dataVersion[0] << 24) + (dataVersion[1] << 16) + 2746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (dataVersion[2] << 8 ) + (dataVersion[3]); 2756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org normCorrVer = profile->indexes[_SPREP_NORM_CORRECTNS_LAST_UNI_VERSION]; 2766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(*errorCode)){ 2786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_close(dataMemory); 2796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 2806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( normUniVer < sprepUniVer && /* the Unicode version of SPREP file must be less than the Unicode Vesion of the normalization data */ 2826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org normUniVer < normCorrVer && /* the Unicode version of the NormalizationCorrections.txt file should be less than the Unicode Vesion of the normalization data */ 2836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ((profile->indexes[_SPREP_OPTIONS] & _SPREP_NORMALIZATION_ON) > 0) /* normalization turned on*/ 2846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ){ 2856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *errorCode = U_INVALID_FORMAT_ERROR; 2866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_close(dataMemory); 2876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 2886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->isDataLoaded = TRUE; 2906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* if a different thread set it first, then close the extra data */ 2926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(dataMemory!=NULL) { 2936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_close(dataMemory); /* NULL if it was set correctly */ 2946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 2956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return profile->isDataLoaded; 2986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 2996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic UStringPrepProfile* 3016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_getProfile(const char* path, 3026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char* name, 3036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode *status){ 3046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepProfile* profile = NULL; 3066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org initCache(status); 3086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(*status)){ 3106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 3116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepKey stackKey; 3146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 3156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * const is cast way to save malloc, strcpy and free calls 3166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * we use the passed in pointers for fetching the data from the 3176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * hash table which is safe 3186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 3196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org stackKey.name = (char*) name; 3206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org stackKey.path = (char*) path; 3216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* fetch the data from the cache */ 3236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_lock(&usprepMutex); 3246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile = (UStringPrepProfile*) (uhash_get(SHARED_DATA_HASHTABLE,&stackKey)); 3256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile != NULL) { 3266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->refCount++; 3276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_unlock(&usprepMutex); 3296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile == NULL) { 3316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* else load the data and put the data in the cache */ 3326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org LocalMemory<UStringPrepProfile> newProfile; 3336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(newProfile.allocateInsteadAndReset() == NULL) { 3346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_MEMORY_ALLOCATION_ERROR; 3356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 3366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* load the data */ 3396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!loadData(newProfile.getAlias(), path, name, _SPREP_DATA_TYPE, status) || U_FAILURE(*status) ){ 3406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 3416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* get the options */ 3446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org newProfile->doNFKC = (UBool)((newProfile->indexes[_SPREP_OPTIONS] & _SPREP_NORMALIZATION_ON) > 0); 3456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org newProfile->checkBiDi = (UBool)((newProfile->indexes[_SPREP_OPTIONS] & _SPREP_CHECK_BIDI_ON) > 0); 3466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(newProfile->checkBiDi) { 3486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org newProfile->bdp = ubidi_getSingleton(); 3496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org LocalMemory<UStringPrepKey> key; 3526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org LocalMemory<char> keyName; 3536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org LocalMemory<char> keyPath; 3546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( key.allocateInsteadAndReset() == NULL || 3556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org keyName.allocateInsteadAndCopy(uprv_strlen(name)+1) == NULL || 3566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (path != NULL && 3576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org keyPath.allocateInsteadAndCopy(uprv_strlen(path)+1) == NULL) 3586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ) { 3596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_MEMORY_ALLOCATION_ERROR; 3606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org usprep_unload(newProfile.getAlias()); 3616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 3626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_lock(&usprepMutex); 3656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // If another thread already inserted the same key/value, refcount and cleanup our thread data 3666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile = (UStringPrepProfile*) (uhash_get(SHARED_DATA_HASHTABLE,&stackKey)); 3676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile != NULL) { 3686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->refCount++; 3696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org usprep_unload(newProfile.getAlias()); 3706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org else { 3726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* initialize the key members */ 3736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org key->name = keyName.orphan(); 3746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_strcpy(key->name, name); 3756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(path != NULL){ 3766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org key->path = keyPath.orphan(); 3776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_strcpy(key->path, path); 3786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile = newProfile.orphan(); 3806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* add the data object to the cache */ 3826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->refCount = 1; 3836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uhash_put(SHARED_DATA_HASHTABLE, key.orphan(), profile, status); 3846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_unlock(&usprepMutex); 3866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return profile; 3896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 3906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI UStringPrepProfile* U_EXPORT2 3926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_open(const char* path, 3936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const char* name, 3946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode* status){ 3956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(status == NULL || U_FAILURE(*status)){ 3976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 3986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 3996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* initialize the profile struct members */ 4016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return usprep_getProfile(path,name,status); 4026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 4036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI UStringPrepProfile* U_EXPORT2 4056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_openByType(UStringPrepProfileType type, 4066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode* status) { 4076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(status == NULL || U_FAILURE(*status)){ 4086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 4096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t index = (int32_t)type; 4116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (index < 0 || index >= (int32_t)(sizeof(PROFILE_NAMES)/sizeof(PROFILE_NAMES[0]))) { 4126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_ILLEGAL_ARGUMENT_ERROR; 4136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return NULL; 4146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return usprep_open(NULL, PROFILE_NAMES[index], status); 4166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 4176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI void U_EXPORT2 4196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_close(UStringPrepProfile* profile){ 4206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile==NULL){ 4216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 4226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_lock(&usprepMutex); 4256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* decrement the ref count*/ 4266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile->refCount > 0){ 4276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org profile->refCount--; 4286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org umtx_unlock(&usprepMutex); 4306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 4326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CFUNC void 4346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orguprv_syntaxError(const UChar* rules, 4356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t pos, 4366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t rulesLen, 4376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UParseError* parseError){ 4386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(parseError == NULL){ 4396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return; 4406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org parseError->offset = pos; 4426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org parseError->line = 0 ; // we are not using line numbers 4436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // for pre-context 4456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t start = (pos < U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1)); 4466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t limit = pos; 4476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_memcpy(parseError->preContext,rules+start,limit-start); 4496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //null terminate the buffer 4506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org parseError->preContext[limit-start] = 0; 4516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // for post-context; include error rules[pos] 4536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org start = pos; 4546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org limit = start + (U_PARSE_CONTEXT_LEN-1); 4556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (limit > rulesLen) { 4566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org limit = rulesLen; 4576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if (start < rulesLen) { 4596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org u_memcpy(parseError->postContext,rules+start,limit-start); 4606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //null terminate the buffer 4626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org parseError->postContext[limit-start]= 0; 4636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 4646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic inline UStringPrepType 4676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orggetValues(uint16_t trieWord, int16_t& value, UBool& isIndex){ 4686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepType type; 4706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(trieWord == 0){ 4716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 4726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Initial value stored in the mapping table 4736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * just return USPREP_TYPE_LIMIT .. so that 4746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * the source codepoint is copied to the destination 4756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 4766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org type = USPREP_TYPE_LIMIT; 4776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isIndex =FALSE; 4786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org value = 0; 4796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else if(trieWord >= _SPREP_TYPE_THRESHOLD){ 4806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org type = (UStringPrepType) (trieWord - _SPREP_TYPE_THRESHOLD); 4816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isIndex =FALSE; 4826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org value = 0; 4836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else{ 4846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* get the type */ 4856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org type = USPREP_MAP; 4866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* ascertain if the value is index or delta */ 4876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(trieWord & 0x02){ 4886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isIndex = TRUE; 4896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org value = trieWord >> 2; //mask off the lower 2 bits and shift 4906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else{ 4916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isIndex = FALSE; 4926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org value = (int16_t)trieWord; 4936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org value = (value >> 2); 4946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 4956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if((trieWord>>2) == _SPREP_MAX_INDEX_VALUE){ 4976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org type = USPREP_DELETE; 4986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org isIndex =FALSE; 4996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org value = 0; 5006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return type; 5036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 5046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t 5086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_map( const UStringPrepProfile* profile, 5096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar* src, int32_t srcLength, 5106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar* dest, int32_t destCapacity, 5116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t options, 5126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UParseError* parseError, 5136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode* status ){ 5146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint16_t result; 5166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t destIndex=0; 5176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t srcIndex; 5186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool allowUnassigned = (UBool) ((options & USPREP_ALLOW_UNASSIGNED)>0); 5196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepType type; 5206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int16_t value; 5216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isIndex; 5226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const int32_t* indexes = profile->indexes; 5236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // no error checking the caller check for error and arguments 5256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // no string length check the caller finds out the string length 5266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(srcIndex=0;srcIndex<srcLength;){ 5286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 ch; 5296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(src,srcIndex,srcLength,ch); 5316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org result=0; 5336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UTRIE_GET16(&profile->sprepTrie,ch,result); 5356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org type = getValues(result, value, isIndex); 5376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // check if the source codepoint is unassigned 5396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(type == USPREP_UNASSIGNED && allowUnassigned == FALSE){ 5406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_syntaxError(src,srcIndex-U16_LENGTH(ch), srcLength,parseError); 5426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_STRINGPREP_UNASSIGNED_ERROR; 5436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 5446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else if(type == USPREP_MAP){ 5466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t index, length; 5486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(isIndex){ 5506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org index = value; 5516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(index >= indexes[_SPREP_ONE_UCHAR_MAPPING_INDEX_START] && 5526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org index < indexes[_SPREP_TWO_UCHARS_MAPPING_INDEX_START]){ 5536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length = 1; 5546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else if(index >= indexes[_SPREP_TWO_UCHARS_MAPPING_INDEX_START] && 5556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org index < indexes[_SPREP_THREE_UCHARS_MAPPING_INDEX_START]){ 5566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length = 2; 5576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else if(index >= indexes[_SPREP_THREE_UCHARS_MAPPING_INDEX_START] && 5586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org index < indexes[_SPREP_FOUR_UCHARS_MAPPING_INDEX_START]){ 5596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length = 3; 5606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else{ 5616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length = profile->mappingData[index++]; 5626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* copy mapping to destination */ 5666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(int32_t i=0; i< length; i++){ 5676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(destIndex < destCapacity ){ 5686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest[destIndex] = profile->mappingData[index+i]; 5696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destIndex++; /* for pre-flighting */ 5716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org continue; 5736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else{ 5746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // subtract the delta to arrive at the code point 5756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ch -= value; 5766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else if(type==USPREP_DELETE){ 5796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // just consume the codepoint and contine 5806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org continue; 5816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //copy the code point into destination 5836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(ch <= 0xFFFF){ 5846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(destIndex < destCapacity ){ 5856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest[destIndex] = (UChar)ch; 5866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destIndex++; 5886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else{ 5896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(destIndex+1 < destCapacity ){ 5906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest[destIndex] = U16_LEAD(ch); 5916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest[destIndex+1] = U16_TRAIL(ch); 5926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org destIndex +=2; 5946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 5976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 5986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return u_terminateUChars(dest, destCapacity, destIndex, status); 5996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 6006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgstatic int32_t 6036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_normalize( const UChar* src, int32_t srcLength, 6046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar* dest, int32_t destCapacity, 6056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode* status ){ 6066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return unorm_normalize( 6076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org src, srcLength, 6086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UNORM_NFKC, UNORM_UNICODE_3_2, 6096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org dest, destCapacity, 6106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org status); 6116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 6126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* 6156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1) Map -- For each character in the input, check if it has a mapping 6166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org and, if so, replace it with its mapping. 6176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2) Normalize -- Possibly normalize the result of step 1 using Unicode 6196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org normalization. 6206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3) Prohibit -- Check for any characters that are not allowed in the 6226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org output. If any are found, return an error. 6236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 4) Check bidi -- Possibly check for right-to-left characters, and if 6256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org any are found, make sure that the whole string satisfies the 6266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org requirements for bidirectional strings. If the string does not 6276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org satisfy the requirements for bidirectional strings, return an 6286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org error. 6296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org [Unicode3.2] defines several bidirectional categories; each character 6306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org has one bidirectional category assigned to it. For the purposes of 6316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org the requirements below, an "RandALCat character" is a character that 6326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org has Unicode bidirectional categories "R" or "AL"; an "LCat character" 6336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org is a character that has Unicode bidirectional category "L". Note 6346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org that there are many characters which fall in neither of the above 6376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org definitions; Latin digits (<U+0030> through <U+0039>) are examples of 6386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org this because they have bidirectional category "EN". 6396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org In any profile that specifies bidirectional character handling, all 6416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org three of the following requirements MUST be met: 6426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 1) The characters in section 5.8 MUST be prohibited. 6446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 2) If a string contains any RandALCat character, the string MUST NOT 6466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org contain any LCat character. 6476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 3) If a string contains any RandALCat character, a RandALCat 6496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org character MUST be the first character of the string, and a 6506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org RandALCat character MUST be the last character of the string. 6516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org*/ 6526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#define MAX_STACK_BUFFER_SIZE 300 6546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 6576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_prepare( const UStringPrepProfile* profile, 6586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UChar* src, int32_t srcLength, 6596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar* dest, int32_t destCapacity, 6606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t options, 6616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UParseError* parseError, 6626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode* status ){ 6636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // check error status 6656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(status == NULL || U_FAILURE(*status)){ 6666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 6676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //check arguments 6706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile==NULL || src==NULL || srcLength<-1 || (dest==NULL && destCapacity!=0)) { 6716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status=U_ILLEGAL_ARGUMENT_ERROR; 6726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 6736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar b1Stack[MAX_STACK_BUFFER_SIZE], b2Stack[MAX_STACK_BUFFER_SIZE]; 6766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar *b1 = b1Stack, *b2 = b2Stack; 6776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t b1Len, b2Len=0, 6786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b1Capacity = MAX_STACK_BUFFER_SIZE , 6796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2Capacity = MAX_STACK_BUFFER_SIZE; 6806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint16_t result; 6816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t b2Index = 0; 6826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UCharDirection direction=U_CHAR_DIRECTION_COUNT, firstCharDir=U_CHAR_DIRECTION_COUNT; 6836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool leftToRight=FALSE, rightToLeft=FALSE; 6846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t rtlPos =-1, ltrPos =-1; 6856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //get the string length 6876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(srcLength == -1){ 6886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org srcLength = u_strlen(src); 6896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 6906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // map 6916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b1Len = usprep_map(profile, src, srcLength, b1, b1Capacity, options, parseError, status); 6926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 6936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(*status == U_BUFFER_OVERFLOW_ERROR){ 6946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // redo processing of string 6956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* we do not have enough room so grow the buffer*/ 6966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b1 = (UChar*) uprv_malloc(b1Len * U_SIZEOF_UCHAR); 6976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(b1==NULL){ 6986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_MEMORY_ALLOCATION_ERROR; 6996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org goto CLEANUP; 7006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_ZERO_ERROR; // reset error 7036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b1Len = usprep_map(profile, src, srcLength, b1, b1Len, options, parseError, status); 7056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // normalize 7096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile->doNFKC == TRUE){ 7106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2Len = usprep_normalize(b1,b1Len, b2,b2Capacity,status); 7116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(*status == U_BUFFER_OVERFLOW_ERROR){ 7136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // redo processing of string 7146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* we do not have enough room so grow the buffer*/ 7156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2 = (UChar*) uprv_malloc(b2Len * U_SIZEOF_UCHAR); 7166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(b2==NULL){ 7176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_MEMORY_ALLOCATION_ERROR; 7186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org goto CLEANUP; 7196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_ZERO_ERROR; // reset error 7226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2Len = usprep_normalize(b1,b1Len, b2,b2Len,status); 7246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org }else{ 7286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2 = b1; 7296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2Len = b1Len; 7306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(U_FAILURE(*status)){ 7346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org goto CLEANUP; 7356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UChar32 ch; 7386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UStringPrepType type; 7396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int16_t value; 7406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UBool isIndex; 7416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // Prohibit and checkBiDi in one pass 7436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(b2Index=0; b2Index<b2Len;){ 7446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ch = 0; 7466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org U16_NEXT(b2, b2Index, b2Len, ch); 7486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UTRIE_GET16(&profile->sprepTrie,ch,result); 7506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org type = getValues(result, value, isIndex); 7526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( type == USPREP_PROHIBITED || 7546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ((result < _SPREP_TYPE_THRESHOLD) && (result & 0x01) /* first bit says it the code point is prohibited*/) 7556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ){ 7566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_STRINGPREP_PROHIBITED_ERROR; 7576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_syntaxError(b1, b2Index-U16_LENGTH(ch), b2Len, parseError); 7586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org goto CLEANUP; 7596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile->checkBiDi) { 7626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org direction = ubidi_getClass(profile->bdp, ch); 7636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(firstCharDir == U_CHAR_DIRECTION_COUNT){ 7646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org firstCharDir = direction; 7656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(direction == U_LEFT_TO_RIGHT){ 7676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org leftToRight = TRUE; 7686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ltrPos = b2Index-1; 7696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(direction == U_RIGHT_TO_LEFT || direction == U_RIGHT_TO_LEFT_ARABIC){ 7716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org rightToLeft = TRUE; 7726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org rtlPos = b2Index-1; 7736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(profile->checkBiDi == TRUE){ 7776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org // satisfy 2 7786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( leftToRight == TRUE && rightToLeft == TRUE){ 7796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_STRINGPREP_CHECK_BIDI_ERROR; 7806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_syntaxError(b2,(rtlPos>ltrPos) ? rtlPos : ltrPos, b2Len, parseError); 7816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org goto CLEANUP; 7826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org //satisfy 3 7856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if( rightToLeft == TRUE && 7866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org !((firstCharDir == U_RIGHT_TO_LEFT || firstCharDir == U_RIGHT_TO_LEFT_ARABIC) && 7876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org (direction == U_RIGHT_TO_LEFT || direction == U_RIGHT_TO_LEFT_ARABIC)) 7886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ){ 7896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *status = U_STRINGPREP_CHECK_BIDI_ERROR; 7906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_syntaxError(b2, rtlPos, b2Len, parseError); 7916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return FALSE; 7926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(b2Len>0 && b2Len <= destCapacity){ 7956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_memmove(dest,b2, b2Len*U_SIZEOF_UCHAR); 7966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 7976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 7986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgCLEANUP: 7996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(b1!=b1Stack){ 8006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_free(b1); 8016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b1=NULL; 8026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(b2!=b1Stack && b2!=b2Stack && b2!=b1 /* b1 should not be freed twice */){ 8056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_free(b2); 8066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org b2=NULL; 8076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return u_terminateUChars(dest, destCapacity, b2Len, status); 8096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 8106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* data swapping ------------------------------------------------------------ */ 8136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_CAPI int32_t U_EXPORT2 8156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgusprep_swap(const UDataSwapper *ds, 8166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const void *inData, int32_t length, void *outData, 8176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org UErrorCode *pErrorCode) { 8186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const UDataInfo *pInfo; 8196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t headerSize; 8206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const uint8_t *inBytes; 8226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint8_t *outBytes; 8236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org const int32_t *inIndexes; 8256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t indexes[16]; 8266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org int32_t i, offset, count, size; 8286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* udata_swapDataHeader checks the arguments */ 8306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org headerSize=udata_swapDataHeader(ds, inData, length, outData, pErrorCode); 8316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) { 8326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 8336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* check data format and format version */ 8366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo=(const UDataInfo *)((const char *)inData+4); 8376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(!( 8386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[0]==0x53 && /* dataFormat="SPRP" */ 8396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[1]==0x50 && 8406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[2]==0x52 && 8416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[3]==0x50 && 8426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->formatVersion[0]==3 8436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org )) { 8446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_printError(ds, "usprep_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as StringPrep .spp data\n", 8456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[0], pInfo->dataFormat[1], 8466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->dataFormat[2], pInfo->dataFormat[3], 8476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org pInfo->formatVersion[0]); 8486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *pErrorCode=U_UNSUPPORTED_ERROR; 8496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 8506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inBytes=(const uint8_t *)inData+headerSize; 8536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org outBytes=(uint8_t *)outData+headerSize; 8546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inIndexes=(const int32_t *)inBytes; 8566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(length>=0) { 8586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length-=headerSize; 8596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(length<16*4) { 8606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_printError(ds, "usprep_swap(): too few bytes (%d after header) for StringPrep .spp data\n", 8616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length); 8626f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; 8636f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 8646f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8656f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8666f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8676f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* read the first 16 indexes (ICU 2.8/format version 3: _SPREP_INDEX_TOP==16, might grow) */ 8686f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org for(i=0; i<16; ++i) { 8696f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org indexes[i]=udata_readInt32(ds, inIndexes[i]); 8706f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8716f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8726f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* calculate the total length of the data */ 8736f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org size= 8746f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 16*4+ /* size of indexes[] */ 8756f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org indexes[_SPREP_INDEX_TRIE_SIZE]+ 8766f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org indexes[_SPREP_INDEX_MAPPING_DATA_SIZE]; 8776f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8786f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(length>=0) { 8796f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(length<size) { 8806f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org udata_printError(ds, "usprep_swap(): too few bytes (%d after header) for all of StringPrep .spp data\n", 8816f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org length); 8826f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR; 8836f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return 0; 8846f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8856f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8866f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* copy the data for inaccessible bytes */ 8876f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org if(inBytes!=outBytes) { 8886f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uprv_memcpy(outBytes, inBytes, size); 8896f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 8906f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8916f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org offset=0; 8926f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8936f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* swap the int32_t indexes[] */ 8946f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org count=16*4; 8956f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ds->swapArray32(ds, inBytes, count, outBytes, pErrorCode); 8966f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org offset+=count; 8976f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 8986f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* swap the UTrie */ 8996f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org count=indexes[_SPREP_INDEX_TRIE_SIZE]; 9006f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org utrie_swap(ds, inBytes+offset, count, outBytes+offset, pErrorCode); 9016f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org offset+=count; 9026f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9036f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org /* swap the uint16_t mappingTable[] */ 9046f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org count=indexes[_SPREP_INDEX_MAPPING_DATA_SIZE]; 9056f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org ds->swapArray16(ds, inBytes+offset, count, outBytes+offset, pErrorCode); 9066f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org offset+=count; 9076f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 9086f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9096f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return headerSize+size; 9106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org} 9116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 9126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#endif /* #if !UCONFIG_NO_IDNA */ 913