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Diffstat (limited to 'deps/icu-small/source/tools/genrb/reslist.cpp')
| -rw-r--r-- | deps/icu-small/source/tools/genrb/reslist.cpp | 1691 |
1 files changed, 1691 insertions, 0 deletions
diff --git a/deps/icu-small/source/tools/genrb/reslist.cpp b/deps/icu-small/source/tools/genrb/reslist.cpp new file mode 100644 index 0000000000..9f8365d7f6 --- /dev/null +++ b/deps/icu-small/source/tools/genrb/reslist.cpp @@ -0,0 +1,1691 @@ +/* +******************************************************************************* +* +* Copyright (C) 2000-2015, International Business Machines +* Corporation and others. All Rights Reserved. +* +******************************************************************************* +* +* File reslist.cpp +* +* Modification History: +* +* Date Name Description +* 02/21/00 weiv Creation. +******************************************************************************* +*/ + +// Safer use of UnicodeString. +#ifndef UNISTR_FROM_CHAR_EXPLICIT +# define UNISTR_FROM_CHAR_EXPLICIT explicit +#endif + +// Less important, but still a good idea. +#ifndef UNISTR_FROM_STRING_EXPLICIT +# define UNISTR_FROM_STRING_EXPLICIT explicit +#endif + +#include <assert.h> +#include <stdio.h> +#include "unicode/localpointer.h" +#include "reslist.h" +#include "unewdata.h" +#include "unicode/ures.h" +#include "unicode/putil.h" +#include "errmsg.h" + +#include "uarrsort.h" +#include "uelement.h" +#include "uhash.h" +#include "uinvchar.h" +#include "ustr_imp.h" +#include "unicode/utf16.h" +/* + * Align binary data at a 16-byte offset from the start of the resource bundle, + * to be safe for any data type it may contain. + */ +#define BIN_ALIGNMENT 16 + +// This numeric constant must be at least 1. +// If StringResource.fNumUnitsSaved == 0 then the string occurs only once, +// and it makes no sense to move it to the pool bundle. +// The larger the threshold for fNumUnitsSaved +// the smaller the savings, and the smaller the pool bundle. +// We trade some total size reduction to reduce the pool bundle a bit, +// so that one can reasonably save data size by +// removing bundle files without rebuilding the pool bundle. +// This can also help to keep the pool and total (pool+local) string indexes +// within 16 bits, that is, within range of Table16 and Array16 containers. +#ifndef GENRB_MIN_16BIT_UNITS_SAVED_FOR_POOL_STRING +# define GENRB_MIN_16BIT_UNITS_SAVED_FOR_POOL_STRING 10 +#endif + +U_NAMESPACE_USE + +static UBool gIncludeCopyright = FALSE; +static UBool gUsePoolBundle = FALSE; +static UBool gIsDefaultFormatVersion = TRUE; +static int32_t gFormatVersion = 3; + +/* How do we store string values? */ +enum { + STRINGS_UTF16_V1, /* formatVersion 1: int length + UChars + NUL + padding to 4 bytes */ + STRINGS_UTF16_V2 /* formatVersion 2 & up: optional length in 1..3 UChars + UChars + NUL */ +}; + +static const int32_t MAX_IMPLICIT_STRING_LENGTH = 40; /* do not store the length explicitly for such strings */ + +static const ResFile kNoPoolBundle; + +/* + * res_none() returns the address of kNoResource, + * for use in non-error cases when no resource is to be added to the bundle. + * (NULL is used in error cases.) + */ +static SResource kNoResource; // TODO: const + +static UDataInfo dataInfo= { + sizeof(UDataInfo), + 0, + + U_IS_BIG_ENDIAN, + U_CHARSET_FAMILY, + sizeof(UChar), + 0, + + {0x52, 0x65, 0x73, 0x42}, /* dataFormat="ResB" */ + {1, 3, 0, 0}, /* formatVersion */ + {1, 4, 0, 0} /* dataVersion take a look at version inside parsed resb*/ +}; + +static const UVersionInfo gFormatVersions[4] = { /* indexed by a major-formatVersion integer */ + { 0, 0, 0, 0 }, + { 1, 3, 0, 0 }, + { 2, 0, 0, 0 }, + { 3, 0, 0, 0 } +}; +// Remember to update genrb.h GENRB_VERSION when changing the data format. +// (Or maybe we should remove GENRB_VERSION and report the ICU version number?) + +static uint8_t calcPadding(uint32_t size) { + /* returns space we need to pad */ + return (uint8_t) ((size % sizeof(uint32_t)) ? (sizeof(uint32_t) - (size % sizeof(uint32_t))) : 0); + +} + +void setIncludeCopyright(UBool val){ + gIncludeCopyright=val; +} + +UBool getIncludeCopyright(void){ + return gIncludeCopyright; +} + +void setFormatVersion(int32_t formatVersion) { + gIsDefaultFormatVersion = FALSE; + gFormatVersion = formatVersion; +} + +int32_t getFormatVersion() { + return gFormatVersion; +} + +void setUsePoolBundle(UBool use) { + gUsePoolBundle = use; +} + +// TODO: return const pointer, or find another way to express "none" +struct SResource* res_none() { + return &kNoResource; +} + +SResource::SResource() + : fType(URES_NONE), fWritten(FALSE), fRes(RES_BOGUS), fRes16(-1), fKey(-1), fKey16(-1), + line(0), fNext(NULL) { + ustr_init(&fComment); +} + +SResource::SResource(SRBRoot *bundle, const char *tag, int8_t type, const UString* comment, + UErrorCode &errorCode) + : fType(type), fWritten(FALSE), fRes(RES_BOGUS), fRes16(-1), + fKey(bundle != NULL ? bundle->addTag(tag, errorCode) : -1), fKey16(-1), + line(0), fNext(NULL) { + ustr_init(&fComment); + if(comment != NULL) { + ustr_cpy(&fComment, comment, &errorCode); + } +} + +SResource::~SResource() { + ustr_deinit(&fComment); +} + +ContainerResource::~ContainerResource() { + SResource *current = fFirst; + while (current != NULL) { + SResource *next = current->fNext; + delete current; + current = next; + } +} + +TableResource::~TableResource() {} + +// TODO: clarify that containers adopt new items, even in error cases; use LocalPointer +void TableResource::add(SResource *res, int linenumber, UErrorCode &errorCode) { + if (U_FAILURE(errorCode) || res == NULL || res == &kNoResource) { + return; + } + + /* remember this linenumber to report to the user if there is a duplicate key */ + res->line = linenumber; + + /* here we need to traverse the list */ + ++fCount; + + /* is the list still empty? */ + if (fFirst == NULL) { + fFirst = res; + res->fNext = NULL; + return; + } + + const char *resKeyString = fRoot->fKeys + res->fKey; + + SResource *current = fFirst; + + SResource *prev = NULL; + while (current != NULL) { + const char *currentKeyString = fRoot->fKeys + current->fKey; + int diff; + /* + * formatVersion 1: compare key strings in native-charset order + * formatVersion 2 and up: compare key strings in ASCII order + */ + if (gFormatVersion == 1 || U_CHARSET_FAMILY == U_ASCII_FAMILY) { + diff = uprv_strcmp(currentKeyString, resKeyString); + } else { + diff = uprv_compareInvCharsAsAscii(currentKeyString, resKeyString); + } + if (diff < 0) { + prev = current; + current = current->fNext; + } else if (diff > 0) { + /* we're either in front of the list, or in the middle */ + if (prev == NULL) { + /* front of the list */ + fFirst = res; + } else { + /* middle of the list */ + prev->fNext = res; + } + + res->fNext = current; + return; + } else { + /* Key already exists! ERROR! */ + error(linenumber, "duplicate key '%s' in table, first appeared at line %d", currentKeyString, current->line); + errorCode = U_UNSUPPORTED_ERROR; + return; + } + } + + /* end of list */ + prev->fNext = res; + res->fNext = NULL; +} + +ArrayResource::~ArrayResource() {} + +void ArrayResource::add(SResource *res) { + if (res != NULL && res != &kNoResource) { + if (fFirst == NULL) { + fFirst = res; + } else { + fLast->fNext = res; + } + fLast = res; + ++fCount; + } +} + +PseudoListResource::~PseudoListResource() {} + +void PseudoListResource::add(SResource *res) { + if (res != NULL && res != &kNoResource) { + res->fNext = fFirst; + fFirst = res; + ++fCount; + } +} + +StringBaseResource::StringBaseResource(SRBRoot *bundle, const char *tag, int8_t type, + const UChar *value, int32_t len, + const UString* comment, UErrorCode &errorCode) + : SResource(bundle, tag, type, comment, errorCode) { + if (len == 0 && gFormatVersion > 1) { + fRes = URES_MAKE_EMPTY_RESOURCE(type); + fWritten = TRUE; + return; + } + + fString.setTo(value, len); + fString.getTerminatedBuffer(); // Some code relies on NUL-termination. + if (U_SUCCESS(errorCode) && fString.isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + } +} + +StringBaseResource::StringBaseResource(SRBRoot *bundle, int8_t type, + const icu::UnicodeString &value, UErrorCode &errorCode) + : SResource(bundle, NULL, type, NULL, errorCode), fString(value) { + if (value.isEmpty() && gFormatVersion > 1) { + fRes = URES_MAKE_EMPTY_RESOURCE(type); + fWritten = TRUE; + return; + } + + fString.getTerminatedBuffer(); // Some code relies on NUL-termination. + if (U_SUCCESS(errorCode) && fString.isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + } +} + +// Pool bundle string, alias the buffer. Guaranteed NUL-terminated and not empty. +StringBaseResource::StringBaseResource(int8_t type, const UChar *value, int32_t len, + UErrorCode &errorCode) + : SResource(NULL, NULL, type, NULL, errorCode), fString(TRUE, value, len) { + assert(len > 0); + assert(!fString.isBogus()); +} + +StringBaseResource::~StringBaseResource() {} + +static int32_t U_CALLCONV +string_hash(const UElement key) { + const StringResource *res = static_cast<const StringResource *>(key.pointer); + return res->fString.hashCode(); +} + +static UBool U_CALLCONV +string_comp(const UElement key1, const UElement key2) { + const StringResource *res1 = static_cast<const StringResource *>(key1.pointer); + const StringResource *res2 = static_cast<const StringResource *>(key2.pointer); + return res1->fString == res2->fString; +} + +StringResource::~StringResource() {} + +AliasResource::~AliasResource() {} + +IntResource::IntResource(SRBRoot *bundle, const char *tag, int32_t value, + const UString* comment, UErrorCode &errorCode) + : SResource(bundle, tag, URES_INT, comment, errorCode) { + fValue = value; + fRes = URES_MAKE_RESOURCE(URES_INT, value & RES_MAX_OFFSET); + fWritten = TRUE; +} + +IntResource::~IntResource() {} + +IntVectorResource::IntVectorResource(SRBRoot *bundle, const char *tag, + const UString* comment, UErrorCode &errorCode) + : SResource(bundle, tag, URES_INT_VECTOR, comment, errorCode), + fCount(0), fArray(new uint32_t[RESLIST_MAX_INT_VECTOR]) { + if (fArray == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } +} + +IntVectorResource::~IntVectorResource() { + delete[] fArray; +} + +void IntVectorResource::add(int32_t value, UErrorCode &errorCode) { + if (U_SUCCESS(errorCode)) { + fArray[fCount++] = value; + } +} + +BinaryResource::BinaryResource(SRBRoot *bundle, const char *tag, + uint32_t length, uint8_t *data, const char* fileName, + const UString* comment, UErrorCode &errorCode) + : SResource(bundle, tag, URES_BINARY, comment, errorCode), + fLength(length), fData(NULL), fFileName(NULL) { + if (U_FAILURE(errorCode)) { + return; + } + if (fileName != NULL && *fileName != 0){ + fFileName = new char[uprv_strlen(fileName)+1]; + if (fFileName == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + uprv_strcpy(fFileName, fileName); + } + if (length > 0) { + fData = new uint8_t[length]; + if (fData == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + uprv_memcpy(fData, data, length); + } else { + if (gFormatVersion > 1) { + fRes = URES_MAKE_EMPTY_RESOURCE(URES_BINARY); + fWritten = TRUE; + } + } +} + +BinaryResource::~BinaryResource() { + delete[] fData; + delete[] fFileName; +} + +/* Writing Functions */ + +void +StringResource::handlePreflightStrings(SRBRoot *bundle, UHashtable *stringSet, + UErrorCode &errorCode) { + assert(fSame == NULL); + fSame = static_cast<StringResource *>(uhash_get(stringSet, this)); + if (fSame != NULL) { + // This is a duplicate of a pool bundle string or of an earlier-visited string. + if (++fSame->fNumCopies == 1) { + assert(fSame->fWritten); + int32_t poolStringIndex = (int32_t)RES_GET_OFFSET(fSame->fRes); + if (poolStringIndex >= bundle->fPoolStringIndexLimit) { + bundle->fPoolStringIndexLimit = poolStringIndex + 1; + } + } + return; + } + /* Put this string into the set for finding duplicates. */ + fNumCopies = 1; + uhash_put(stringSet, this, this, &errorCode); + + if (bundle->fStringsForm != STRINGS_UTF16_V1) { + int32_t len = length(); + if (len <= MAX_IMPLICIT_STRING_LENGTH && + !U16_IS_TRAIL(fString[0]) && fString.indexOf((UChar)0) < 0) { + /* + * This string will be stored without an explicit length. + * Runtime will detect !U16_IS_TRAIL(s[0]) and call u_strlen(). + */ + fNumCharsForLength = 0; + } else if (len <= 0x3ee) { + fNumCharsForLength = 1; + } else if (len <= 0xfffff) { + fNumCharsForLength = 2; + } else { + fNumCharsForLength = 3; + } + bundle->f16BitStringsLength += fNumCharsForLength + len + 1; /* +1 for the NUL */ + } +} + +void +ContainerResource::handlePreflightStrings(SRBRoot *bundle, UHashtable *stringSet, + UErrorCode &errorCode) { + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + current->preflightStrings(bundle, stringSet, errorCode); + } +} + +void +SResource::preflightStrings(SRBRoot *bundle, UHashtable *stringSet, UErrorCode &errorCode) { + if (U_FAILURE(errorCode)) { + return; + } + if (fRes != RES_BOGUS) { + /* + * The resource item word was already precomputed, which means + * no further data needs to be written. + * This might be an integer, or an empty string/binary/etc. + */ + return; + } + handlePreflightStrings(bundle, stringSet, errorCode); +} + +void +SResource::handlePreflightStrings(SRBRoot * /*bundle*/, UHashtable * /*stringSet*/, + UErrorCode & /*errorCode*/) { + /* Neither a string nor a container. */ +} + +int32_t +SRBRoot::makeRes16(uint32_t resWord) const { + if (resWord == 0) { + return 0; /* empty string */ + } + uint32_t type = RES_GET_TYPE(resWord); + int32_t offset = (int32_t)RES_GET_OFFSET(resWord); + if (type == URES_STRING_V2) { + assert(offset > 0); + if (offset < fPoolStringIndexLimit) { + if (offset < fPoolStringIndex16Limit) { + return offset; + } + } else { + offset = offset - fPoolStringIndexLimit + fPoolStringIndex16Limit; + if (offset <= 0xffff) { + return offset; + } + } + } + return -1; +} + +int32_t +SRBRoot::mapKey(int32_t oldpos) const { + const KeyMapEntry *map = fKeyMap; + if (map == NULL) { + return oldpos; + } + int32_t i, start, limit; + + /* do a binary search for the old, pre-compactKeys() key offset */ + start = fUsePoolBundle->fKeysCount; + limit = start + fKeysCount; + while (start < limit - 1) { + i = (start + limit) / 2; + if (oldpos < map[i].oldpos) { + limit = i; + } else { + start = i; + } + } + assert(oldpos == map[start].oldpos); + return map[start].newpos; +} + +/* + * Only called for UTF-16 v1 strings and duplicate UTF-16 v2 strings. + * For unique UTF-16 v2 strings, write16() sees fRes != RES_BOGUS + * and exits early. + */ +void +StringResource::handleWrite16(SRBRoot * /*bundle*/) { + SResource *same; + if ((same = fSame) != NULL) { + /* This is a duplicate. */ + assert(same->fRes != RES_BOGUS && same->fWritten); + fRes = same->fRes; + fWritten = same->fWritten; + } +} + +void +ContainerResource::writeAllRes16(SRBRoot *bundle) { + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + bundle->f16BitUnits.append((UChar)current->fRes16); + } + fWritten = TRUE; +} + +void +ArrayResource::handleWrite16(SRBRoot *bundle) { + if (fCount == 0 && gFormatVersion > 1) { + fRes = URES_MAKE_EMPTY_RESOURCE(URES_ARRAY); + fWritten = TRUE; + return; + } + + int32_t res16 = 0; + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + current->write16(bundle); + res16 |= current->fRes16; + } + if (fCount <= 0xffff && res16 >= 0 && gFormatVersion > 1) { + fRes = URES_MAKE_RESOURCE(URES_ARRAY16, bundle->f16BitUnits.length()); + bundle->f16BitUnits.append((UChar)fCount); + writeAllRes16(bundle); + } +} + +void +TableResource::handleWrite16(SRBRoot *bundle) { + if (fCount == 0 && gFormatVersion > 1) { + fRes = URES_MAKE_EMPTY_RESOURCE(URES_TABLE); + fWritten = TRUE; + return; + } + /* Find the smallest table type that fits the data. */ + int32_t key16 = 0; + int32_t res16 = 0; + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + current->write16(bundle); + key16 |= current->fKey16; + res16 |= current->fRes16; + } + if(fCount > (uint32_t)bundle->fMaxTableLength) { + bundle->fMaxTableLength = fCount; + } + if (fCount <= 0xffff && key16 >= 0) { + if (res16 >= 0 && gFormatVersion > 1) { + /* 16-bit count, key offsets and values */ + fRes = URES_MAKE_RESOURCE(URES_TABLE16, bundle->f16BitUnits.length()); + bundle->f16BitUnits.append((UChar)fCount); + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + bundle->f16BitUnits.append((UChar)current->fKey16); + } + writeAllRes16(bundle); + } else { + /* 16-bit count, 16-bit key offsets, 32-bit values */ + fTableType = URES_TABLE; + } + } else { + /* 32-bit count, key offsets and values */ + fTableType = URES_TABLE32; + } +} + +void +PseudoListResource::handleWrite16(SRBRoot * /*bundle*/) { + fRes = URES_MAKE_EMPTY_RESOURCE(URES_TABLE); + fWritten = TRUE; +} + +void +SResource::write16(SRBRoot *bundle) { + if (fKey >= 0) { + // A tagged resource has a non-negative key index into the parsed key strings. + // compactKeys() built a map from parsed key index to the final key index. + // After the mapping, negative key indexes are used for shared pool bundle keys. + fKey = bundle->mapKey(fKey); + // If the key index fits into a Key16 for a Table or Table16, + // then set the fKey16 field accordingly. + // Otherwise keep it at -1. + if (fKey >= 0) { + if (fKey < bundle->fLocalKeyLimit) { + fKey16 = fKey; + } + } else { + int32_t poolKeyIndex = fKey & 0x7fffffff; + if (poolKeyIndex <= 0xffff) { + poolKeyIndex += bundle->fLocalKeyLimit; + if (poolKeyIndex <= 0xffff) { + fKey16 = poolKeyIndex; + } + } + } + } + /* + * fRes != RES_BOGUS: + * The resource item word was already precomputed, which means + * no further data needs to be written. + * This might be an integer, or an empty or UTF-16 v2 string, + * an empty binary, etc. + */ + if (fRes == RES_BOGUS) { + handleWrite16(bundle); + } + // Compute fRes16 for precomputed as well as just-computed fRes. + fRes16 = bundle->makeRes16(fRes); +} + +void +SResource::handleWrite16(SRBRoot * /*bundle*/) { + /* Only a few resource types write 16-bit units. */ +} + +/* + * Only called for UTF-16 v1 strings, and for aliases. + * For UTF-16 v2 strings, preWrite() sees fRes != RES_BOGUS + * and exits early. + */ +void +StringBaseResource::handlePreWrite(uint32_t *byteOffset) { + /* Write the UTF-16 v1 string. */ + fRes = URES_MAKE_RESOURCE(fType, *byteOffset >> 2); + *byteOffset += 4 + (length() + 1) * U_SIZEOF_UCHAR; +} + +void +IntVectorResource::handlePreWrite(uint32_t *byteOffset) { + if (fCount == 0 && gFormatVersion > 1) { + fRes = URES_MAKE_EMPTY_RESOURCE(URES_INT_VECTOR); + fWritten = TRUE; + } else { + fRes = URES_MAKE_RESOURCE(URES_INT_VECTOR, *byteOffset >> 2); + *byteOffset += (1 + fCount) * 4; + } +} + +void +BinaryResource::handlePreWrite(uint32_t *byteOffset) { + uint32_t pad = 0; + uint32_t dataStart = *byteOffset + sizeof(fLength); + + if (dataStart % BIN_ALIGNMENT) { + pad = (BIN_ALIGNMENT - dataStart % BIN_ALIGNMENT); + *byteOffset += pad; /* pad == 4 or 8 or 12 */ + } + fRes = URES_MAKE_RESOURCE(URES_BINARY, *byteOffset >> 2); + *byteOffset += 4 + fLength; +} + +void +ContainerResource::preWriteAllRes(uint32_t *byteOffset) { + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + current->preWrite(byteOffset); + } +} + +void +ArrayResource::handlePreWrite(uint32_t *byteOffset) { + preWriteAllRes(byteOffset); + fRes = URES_MAKE_RESOURCE(URES_ARRAY, *byteOffset >> 2); + *byteOffset += (1 + fCount) * 4; +} + +void +TableResource::handlePreWrite(uint32_t *byteOffset) { + preWriteAllRes(byteOffset); + if (fTableType == URES_TABLE) { + /* 16-bit count, 16-bit key offsets, 32-bit values */ + fRes = URES_MAKE_RESOURCE(URES_TABLE, *byteOffset >> 2); + *byteOffset += 2 + fCount * 6; + } else { + /* 32-bit count, key offsets and values */ + fRes = URES_MAKE_RESOURCE(URES_TABLE32, *byteOffset >> 2); + *byteOffset += 4 + fCount * 8; + } +} + +void +SResource::preWrite(uint32_t *byteOffset) { + if (fRes != RES_BOGUS) { + /* + * The resource item word was already precomputed, which means + * no further data needs to be written. + * This might be an integer, or an empty or UTF-16 v2 string, + * an empty binary, etc. + */ + return; + } + handlePreWrite(byteOffset); + *byteOffset += calcPadding(*byteOffset); +} + +void +SResource::handlePreWrite(uint32_t * /*byteOffset*/) { + assert(FALSE); +} + +/* + * Only called for UTF-16 v1 strings, and for aliases. For UTF-16 v2 strings, + * write() sees fWritten and exits early. + */ +void +StringBaseResource::handleWrite(UNewDataMemory *mem, uint32_t *byteOffset) { + /* Write the UTF-16 v1 string. */ + int32_t len = length(); + udata_write32(mem, len); + udata_writeUString(mem, getBuffer(), len + 1); + *byteOffset += 4 + (len + 1) * U_SIZEOF_UCHAR; + fWritten = TRUE; +} + +void +ContainerResource::writeAllRes(UNewDataMemory *mem, uint32_t *byteOffset) { + uint32_t i = 0; + for (SResource *current = fFirst; current != NULL; ++i, current = current->fNext) { + current->write(mem, byteOffset); + } + assert(i == fCount); +} + +void +ContainerResource::writeAllRes32(UNewDataMemory *mem, uint32_t *byteOffset) { + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + udata_write32(mem, current->fRes); + } + *byteOffset += fCount * 4; +} + +void +ArrayResource::handleWrite(UNewDataMemory *mem, uint32_t *byteOffset) { + writeAllRes(mem, byteOffset); + udata_write32(mem, fCount); + *byteOffset += 4; + writeAllRes32(mem, byteOffset); +} + +void +IntVectorResource::handleWrite(UNewDataMemory *mem, uint32_t *byteOffset) { + udata_write32(mem, fCount); + for(uint32_t i = 0; i < fCount; ++i) { + udata_write32(mem, fArray[i]); + } + *byteOffset += (1 + fCount) * 4; +} + +void +BinaryResource::handleWrite(UNewDataMemory *mem, uint32_t *byteOffset) { + uint32_t pad = 0; + uint32_t dataStart = *byteOffset + sizeof(fLength); + + if (dataStart % BIN_ALIGNMENT) { + pad = (BIN_ALIGNMENT - dataStart % BIN_ALIGNMENT); + udata_writePadding(mem, pad); /* pad == 4 or 8 or 12 */ + *byteOffset += pad; + } + + udata_write32(mem, fLength); + if (fLength > 0) { + udata_writeBlock(mem, fData, fLength); + } + *byteOffset += 4 + fLength; +} + +void +TableResource::handleWrite(UNewDataMemory *mem, uint32_t *byteOffset) { + writeAllRes(mem, byteOffset); + if(fTableType == URES_TABLE) { + udata_write16(mem, (uint16_t)fCount); + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + udata_write16(mem, current->fKey16); + } + *byteOffset += (1 + fCount)* 2; + if ((fCount & 1) == 0) { + /* 16-bit count and even number of 16-bit key offsets need padding before 32-bit resource items */ + udata_writePadding(mem, 2); + *byteOffset += 2; + } + } else /* URES_TABLE32 */ { + udata_write32(mem, fCount); + for (SResource *current = fFirst; current != NULL; current = current->fNext) { + udata_write32(mem, (uint32_t)current->fKey); + } + *byteOffset += (1 + fCount)* 4; + } + writeAllRes32(mem, byteOffset); +} + +void +SResource::write(UNewDataMemory *mem, uint32_t *byteOffset) { + if (fWritten) { + assert(fRes != RES_BOGUS); + return; + } + handleWrite(mem, byteOffset); + uint8_t paddingSize = calcPadding(*byteOffset); + if (paddingSize > 0) { + udata_writePadding(mem, paddingSize); + *byteOffset += paddingSize; + } + fWritten = TRUE; +} + +void +SResource::handleWrite(UNewDataMemory * /*mem*/, uint32_t * /*byteOffset*/) { + assert(FALSE); +} + +void SRBRoot::write(const char *outputDir, const char *outputPkg, + char *writtenFilename, int writtenFilenameLen, + UErrorCode &errorCode) { + UNewDataMemory *mem = NULL; + uint32_t byteOffset = 0; + uint32_t top, size; + char dataName[1024]; + int32_t indexes[URES_INDEX_TOP]; + + compactKeys(errorCode); + /* + * Add padding bytes to fKeys so that fKeysTop is 4-aligned. + * Safe because the capacity is a multiple of 4. + */ + while (fKeysTop & 3) { + fKeys[fKeysTop++] = (char)0xaa; + } + /* + * In URES_TABLE, use all local key offsets that fit into 16 bits, + * and use the remaining 16-bit offsets for pool key offsets + * if there are any. + * If there are no local keys, then use the whole 16-bit space + * for pool key offsets. + * Note: This cannot be changed without changing the major formatVersion. + */ + if (fKeysBottom < fKeysTop) { + if (fKeysTop <= 0x10000) { + fLocalKeyLimit = fKeysTop; + } else { + fLocalKeyLimit = 0x10000; + } + } else { + fLocalKeyLimit = 0; + } + + UHashtable *stringSet; + if (gFormatVersion > 1) { + stringSet = uhash_open(string_hash, string_comp, string_comp, &errorCode); + if (U_SUCCESS(errorCode) && + fUsePoolBundle != NULL && fUsePoolBundle->fStrings != NULL) { + for (SResource *current = fUsePoolBundle->fStrings->fFirst; + current != NULL; + current = current->fNext) { + StringResource *sr = static_cast<StringResource *>(current); + sr->fNumCopies = 0; + sr->fNumUnitsSaved = 0; + uhash_put(stringSet, sr, sr, &errorCode); + } + } + fRoot->preflightStrings(this, stringSet, errorCode); + } else { + stringSet = NULL; + } + if (fStringsForm == STRINGS_UTF16_V2 && f16BitStringsLength > 0) { + compactStringsV2(stringSet, errorCode); + } + uhash_close(stringSet); + if (U_FAILURE(errorCode)) { + return; + } + + int32_t formatVersion = gFormatVersion; + if (fPoolStringIndexLimit != 0) { + int32_t sum = fPoolStringIndexLimit + fLocalStringIndexLimit; + if ((sum - 1) > RES_MAX_OFFSET) { + errorCode = U_BUFFER_OVERFLOW_ERROR; + return; + } + if (fPoolStringIndexLimit < 0x10000 && sum <= 0x10000) { + // 16-bit indexes work for all pool + local strings. + fPoolStringIndex16Limit = fPoolStringIndexLimit; + } else { + // Set the pool index threshold so that 16-bit indexes work + // for some pool strings and some local strings. + fPoolStringIndex16Limit = (int32_t)( + ((int64_t)fPoolStringIndexLimit * 0xffff) / sum); + } + } else if (gIsDefaultFormatVersion && formatVersion == 3 && !fIsPoolBundle) { + // If we just default to formatVersion 3 + // but there are no pool bundle strings to share + // and we do not write a pool bundle, + // then write formatVersion 2 which is just as good. + formatVersion = 2; + } + + fRoot->write16(this); + if (f16BitUnits.isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + if (f16BitUnits.length() & 1) { + f16BitUnits.append((UChar)0xaaaa); /* pad to multiple of 4 bytes */ + } + /* all keys have been mapped */ + uprv_free(fKeyMap); + fKeyMap = NULL; + + byteOffset = fKeysTop + f16BitUnits.length() * 2; + fRoot->preWrite(&byteOffset); + + /* total size including the root item */ + top = byteOffset; + + if (writtenFilename && writtenFilenameLen) { + *writtenFilename = 0; + } + + if (writtenFilename) { + int32_t off = 0, len = 0; + if (outputDir) { + len = (int32_t)uprv_strlen(outputDir); + if (len > writtenFilenameLen) { + len = writtenFilenameLen; + } + uprv_strncpy(writtenFilename, outputDir, len); + } + if (writtenFilenameLen -= len) { + off += len; + writtenFilename[off] = U_FILE_SEP_CHAR; + if (--writtenFilenameLen) { + ++off; + if(outputPkg != NULL) + { + uprv_strcpy(writtenFilename+off, outputPkg); + off += (int32_t)uprv_strlen(outputPkg); + writtenFilename[off] = '_'; + ++off; + } + + len = (int32_t)uprv_strlen(fLocale); + if (len > writtenFilenameLen) { + len = writtenFilenameLen; + } + uprv_strncpy(writtenFilename + off, fLocale, len); + if (writtenFilenameLen -= len) { + off += len; + len = 5; + if (len > writtenFilenameLen) { + len = writtenFilenameLen; + } + uprv_strncpy(writtenFilename + off, ".res", len); + } + } + } + } + + if(outputPkg) + { + uprv_strcpy(dataName, outputPkg); + uprv_strcat(dataName, "_"); + uprv_strcat(dataName, fLocale); + } + else + { + uprv_strcpy(dataName, fLocale); + } + + uprv_memcpy(dataInfo.formatVersion, gFormatVersions + formatVersion, sizeof(UVersionInfo)); + + mem = udata_create(outputDir, "res", dataName, + &dataInfo, (gIncludeCopyright==TRUE)? U_COPYRIGHT_STRING:NULL, &errorCode); + if(U_FAILURE(errorCode)){ + return; + } + + /* write the root item */ + udata_write32(mem, fRoot->fRes); + + /* + * formatVersion 1.1 (ICU 2.8): + * write int32_t indexes[] after root and before the key strings + * to make it easier to parse resource bundles in icuswap or from Java etc. + */ + uprv_memset(indexes, 0, sizeof(indexes)); + indexes[URES_INDEX_LENGTH]= fIndexLength; + indexes[URES_INDEX_KEYS_TOP]= fKeysTop>>2; + indexes[URES_INDEX_RESOURCES_TOP]= (int32_t)(top>>2); + indexes[URES_INDEX_BUNDLE_TOP]= indexes[URES_INDEX_RESOURCES_TOP]; + indexes[URES_INDEX_MAX_TABLE_LENGTH]= fMaxTableLength; + + /* + * formatVersion 1.2 (ICU 3.6): + * write indexes[URES_INDEX_ATTRIBUTES] with URES_ATT_NO_FALLBACK set or not set + * the memset() above initialized all indexes[] to 0 + */ + if (fNoFallback) { + indexes[URES_INDEX_ATTRIBUTES]=URES_ATT_NO_FALLBACK; + } + /* + * formatVersion 2.0 (ICU 4.4): + * more compact string value storage, optional pool bundle + */ + if (URES_INDEX_16BIT_TOP < fIndexLength) { + indexes[URES_INDEX_16BIT_TOP] = (fKeysTop>>2) + (f16BitUnits.length()>>1); + } + if (URES_INDEX_POOL_CHECKSUM < fIndexLength) { + if (fIsPoolBundle) { + indexes[URES_INDEX_ATTRIBUTES] |= URES_ATT_IS_POOL_BUNDLE | URES_ATT_NO_FALLBACK; + uint32_t checksum = computeCRC((const char *)(fKeys + fKeysBottom), + (uint32_t)(fKeysTop - fKeysBottom), 0); + if (f16BitUnits.length() <= 1) { + // no pool strings to checksum + } else if (U_IS_BIG_ENDIAN) { + checksum = computeCRC((const char *)f16BitUnits.getBuffer(), + (uint32_t)f16BitUnits.length() * 2, checksum); + } else { + // Swap to big-endian so we get the same checksum on all platforms + // (except for charset family, due to the key strings). + UnicodeString s(f16BitUnits); + s.append((UChar)1); // Ensure that we own this buffer. + assert(!s.isBogus()); + uint16_t *p = (uint16_t *)s.getBuffer(); + for (int32_t count = f16BitUnits.length(); count > 0; --count) { + uint16_t x = *p; + *p++ = (uint16_t)((x << 8) | (x >> 8)); + } + checksum = computeCRC((const char *)p, + (uint32_t)f16BitUnits.length() * 2, checksum); + } + indexes[URES_INDEX_POOL_CHECKSUM] = (int32_t)checksum; + } else if (gUsePoolBundle) { + indexes[URES_INDEX_ATTRIBUTES] |= URES_ATT_USES_POOL_BUNDLE; + indexes[URES_INDEX_POOL_CHECKSUM] = fUsePoolBundle->fChecksum; + } + } + // formatVersion 3 (ICU 56): + // share string values via pool bundle strings + indexes[URES_INDEX_LENGTH] |= fPoolStringIndexLimit << 8; // bits 23..0 -> 31..8 + indexes[URES_INDEX_ATTRIBUTES] |= (fPoolStringIndexLimit >> 12) & 0xf000; // bits 27..24 -> 15..12 + indexes[URES_INDEX_ATTRIBUTES] |= fPoolStringIndex16Limit << 16; + + /* write the indexes[] */ + udata_writeBlock(mem, indexes, fIndexLength*4); + + /* write the table key strings */ + udata_writeBlock(mem, fKeys+fKeysBottom, + fKeysTop-fKeysBottom); + + /* write the v2 UTF-16 strings, URES_TABLE16 and URES_ARRAY16 */ + udata_writeBlock(mem, f16BitUnits.getBuffer(), f16BitUnits.length()*2); + + /* write all of the bundle contents: the root item and its children */ + byteOffset = fKeysTop + f16BitUnits.length() * 2; + fRoot->write(mem, &byteOffset); + assert(byteOffset == top); + + size = udata_finish(mem, &errorCode); + if(top != size) { + fprintf(stderr, "genrb error: wrote %u bytes but counted %u\n", + (int)size, (int)top); + errorCode = U_INTERNAL_PROGRAM_ERROR; + } +} + +/* Opening Functions */ + +TableResource* table_open(struct SRBRoot *bundle, const char *tag, const struct UString* comment, UErrorCode *status) { + LocalPointer<TableResource> res(new TableResource(bundle, tag, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +ArrayResource* array_open(struct SRBRoot *bundle, const char *tag, const struct UString* comment, UErrorCode *status) { + LocalPointer<ArrayResource> res(new ArrayResource(bundle, tag, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +struct SResource *string_open(struct SRBRoot *bundle, const char *tag, const UChar *value, int32_t len, const struct UString* comment, UErrorCode *status) { + LocalPointer<SResource> res( + new StringResource(bundle, tag, value, len, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +struct SResource *alias_open(struct SRBRoot *bundle, const char *tag, UChar *value, int32_t len, const struct UString* comment, UErrorCode *status) { + LocalPointer<SResource> res( + new AliasResource(bundle, tag, value, len, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +IntVectorResource *intvector_open(struct SRBRoot *bundle, const char *tag, const struct UString* comment, UErrorCode *status) { + LocalPointer<IntVectorResource> res( + new IntVectorResource(bundle, tag, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +struct SResource *int_open(struct SRBRoot *bundle, const char *tag, int32_t value, const struct UString* comment, UErrorCode *status) { + LocalPointer<SResource> res(new IntResource(bundle, tag, value, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +struct SResource *bin_open(struct SRBRoot *bundle, const char *tag, uint32_t length, uint8_t *data, const char* fileName, const struct UString* comment, UErrorCode *status) { + LocalPointer<SResource> res( + new BinaryResource(bundle, tag, length, data, fileName, comment, *status), *status); + return U_SUCCESS(*status) ? res.orphan() : NULL; +} + +SRBRoot::SRBRoot(const UString *comment, UBool isPoolBundle, UErrorCode &errorCode) + : fRoot(NULL), fLocale(NULL), fIndexLength(0), fMaxTableLength(0), fNoFallback(FALSE), + fStringsForm(STRINGS_UTF16_V1), fIsPoolBundle(isPoolBundle), + fKeys(NULL), fKeyMap(NULL), + fKeysBottom(0), fKeysTop(0), fKeysCapacity(0), fKeysCount(0), fLocalKeyLimit(0), + f16BitUnits(), f16BitStringsLength(0), + fUsePoolBundle(&kNoPoolBundle), + fPoolStringIndexLimit(0), fPoolStringIndex16Limit(0), fLocalStringIndexLimit(0), + fWritePoolBundle(NULL) { + if (U_FAILURE(errorCode)) { + return; + } + + if (gFormatVersion > 1) { + // f16BitUnits must start with a zero for empty resources. + // We might be able to omit it if there are no empty 16-bit resources. + f16BitUnits.append((UChar)0); + } + + fKeys = (char *) uprv_malloc(sizeof(char) * KEY_SPACE_SIZE); + if (isPoolBundle) { + fRoot = new PseudoListResource(this, errorCode); + } else { + fRoot = new TableResource(this, NULL, comment, errorCode); + } + if (fKeys == NULL || fRoot == NULL || U_FAILURE(errorCode)) { + if (U_SUCCESS(errorCode)) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + } + return; + } + + fKeysCapacity = KEY_SPACE_SIZE; + /* formatVersion 1.1 and up: start fKeysTop after the root item and indexes[] */ + if (gUsePoolBundle || isPoolBundle) { + fIndexLength = URES_INDEX_POOL_CHECKSUM + 1; + } else if (gFormatVersion >= 2) { + fIndexLength = URES_INDEX_16BIT_TOP + 1; + } else /* formatVersion 1 */ { + fIndexLength = URES_INDEX_ATTRIBUTES + 1; + } + fKeysBottom = (1 /* root */ + fIndexLength) * 4; + uprv_memset(fKeys, 0, fKeysBottom); + fKeysTop = fKeysBottom; + + if (gFormatVersion == 1) { + fStringsForm = STRINGS_UTF16_V1; + } else { + fStringsForm = STRINGS_UTF16_V2; + } +} + +/* Closing Functions */ + +void res_close(struct SResource *res) { + delete res; +} + +SRBRoot::~SRBRoot() { + delete fRoot; + uprv_free(fLocale); + uprv_free(fKeys); + uprv_free(fKeyMap); +} + +/* Misc Functions */ + +void SRBRoot::setLocale(UChar *locale, UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { + return; + } + + uprv_free(fLocale); + fLocale = (char*) uprv_malloc(sizeof(char) * (u_strlen(locale)+1)); + if(fLocale == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + + u_UCharsToChars(locale, fLocale, u_strlen(locale)+1); +} + +const char * +SRBRoot::getKeyString(int32_t key) const { + if (key < 0) { + return fUsePoolBundle->fKeys + (key & 0x7fffffff); + } else { + return fKeys + key; + } +} + +const char * +SResource::getKeyString(const SRBRoot *bundle) const { + if (fKey == -1) { + return NULL; + } + return bundle->getKeyString(fKey); +} + +const char * +SRBRoot::getKeyBytes(int32_t *pLength) const { + *pLength = fKeysTop - fKeysBottom; + return fKeys + fKeysBottom; +} + +int32_t +SRBRoot::addKeyBytes(const char *keyBytes, int32_t length, UErrorCode &errorCode) { + int32_t keypos; + + if (U_FAILURE(errorCode)) { + return -1; + } + if (length < 0 || (keyBytes == NULL && length != 0)) { + errorCode = U_ILLEGAL_ARGUMENT_ERROR; + return -1; + } + if (length == 0) { + return fKeysTop; + } + + keypos = fKeysTop; + fKeysTop += length; + if (fKeysTop >= fKeysCapacity) { + /* overflow - resize the keys buffer */ + fKeysCapacity += KEY_SPACE_SIZE; + fKeys = static_cast<char *>(uprv_realloc(fKeys, fKeysCapacity)); + if(fKeys == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return -1; + } + } + + uprv_memcpy(fKeys + keypos, keyBytes, length); + + return keypos; +} + +int32_t +SRBRoot::addTag(const char *tag, UErrorCode &errorCode) { + int32_t keypos; + + if (U_FAILURE(errorCode)) { + return -1; + } + + if (tag == NULL) { + /* no error: the root table and array items have no keys */ + return -1; + } + + keypos = addKeyBytes(tag, (int32_t)(uprv_strlen(tag) + 1), errorCode); + if (U_SUCCESS(errorCode)) { + ++fKeysCount; + } + return keypos; +} + +static int32_t +compareInt32(int32_t lPos, int32_t rPos) { + /* + * Compare possibly-negative key offsets. Don't just return lPos - rPos + * because that is prone to negative-integer underflows. + */ + if (lPos < rPos) { + return -1; + } else if (lPos > rPos) { + return 1; + } else { + return 0; + } +} + +static int32_t U_CALLCONV +compareKeySuffixes(const void *context, const void *l, const void *r) { + const struct SRBRoot *bundle=(const struct SRBRoot *)context; + int32_t lPos = ((const KeyMapEntry *)l)->oldpos; + int32_t rPos = ((const KeyMapEntry *)r)->oldpos; + const char *lStart = bundle->getKeyString(lPos); + const char *lLimit = lStart; + const char *rStart = bundle->getKeyString(rPos); + const char *rLimit = rStart; + int32_t diff; + while (*lLimit != 0) { ++lLimit; } + while (*rLimit != 0) { ++rLimit; } + /* compare keys in reverse character order */ + while (lStart < lLimit && rStart < rLimit) { + diff = (int32_t)(uint8_t)*--lLimit - (int32_t)(uint8_t)*--rLimit; + if (diff != 0) { + return diff; + } + } + /* sort equal suffixes by descending key length */ + diff = (int32_t)(rLimit - rStart) - (int32_t)(lLimit - lStart); + if (diff != 0) { + return diff; + } + /* Sort pool bundle keys first (negative oldpos), and otherwise keys in parsing order. */ + return compareInt32(lPos, rPos); +} + +static int32_t U_CALLCONV +compareKeyNewpos(const void * /*context*/, const void *l, const void *r) { + return compareInt32(((const KeyMapEntry *)l)->newpos, ((const KeyMapEntry *)r)->newpos); +} + +static int32_t U_CALLCONV +compareKeyOldpos(const void * /*context*/, const void *l, const void *r) { + return compareInt32(((const KeyMapEntry *)l)->oldpos, ((const KeyMapEntry *)r)->oldpos); +} + +void +SRBRoot::compactKeys(UErrorCode &errorCode) { + KeyMapEntry *map; + char *keys; + int32_t i; + int32_t keysCount = fUsePoolBundle->fKeysCount + fKeysCount; + if (U_FAILURE(errorCode) || fKeysCount == 0 || fKeyMap != NULL) { + return; + } + map = (KeyMapEntry *)uprv_malloc(keysCount * sizeof(KeyMapEntry)); + if (map == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + keys = (char *)fUsePoolBundle->fKeys; + for (i = 0; i < fUsePoolBundle->fKeysCount; ++i) { + map[i].oldpos = + (int32_t)(keys - fUsePoolBundle->fKeys) | 0x80000000; /* negative oldpos */ + map[i].newpos = 0; + while (*keys != 0) { ++keys; } /* skip the key */ + ++keys; /* skip the NUL */ + } + keys = fKeys + fKeysBottom; + for (; i < keysCount; ++i) { + map[i].oldpos = (int32_t)(keys - fKeys); + map[i].newpos = 0; + while (*keys != 0) { ++keys; } /* skip the key */ + ++keys; /* skip the NUL */ + } + /* Sort the keys so that each one is immediately followed by all of its suffixes. */ + uprv_sortArray(map, keysCount, (int32_t)sizeof(KeyMapEntry), + compareKeySuffixes, this, FALSE, &errorCode); + /* + * Make suffixes point into earlier, longer strings that contain them + * and mark the old, now unused suffix bytes as deleted. + */ + if (U_SUCCESS(errorCode)) { + keys = fKeys; + for (i = 0; i < keysCount;) { + /* + * This key is not a suffix of the previous one; + * keep this one and delete the following ones that are + * suffixes of this one. + */ + const char *key; + const char *keyLimit; + int32_t j = i + 1; + map[i].newpos = map[i].oldpos; + if (j < keysCount && map[j].oldpos < 0) { + /* Key string from the pool bundle, do not delete. */ + i = j; + continue; + } + key = getKeyString(map[i].oldpos); + for (keyLimit = key; *keyLimit != 0; ++keyLimit) {} + for (; j < keysCount && map[j].oldpos >= 0; ++j) { + const char *k; + char *suffix; + const char *suffixLimit; + int32_t offset; + suffix = keys + map[j].oldpos; + for (suffixLimit = suffix; *suffixLimit != 0; ++suffixLimit) {} + offset = (int32_t)(keyLimit - key) - (suffixLimit - suffix); + if (offset < 0) { + break; /* suffix cannot be longer than the original */ + } + /* Is it a suffix of the earlier, longer key? */ + for (k = keyLimit; suffix < suffixLimit && *--k == *--suffixLimit;) {} + if (suffix == suffixLimit && *k == *suffixLimit) { + map[j].newpos = map[i].oldpos + offset; /* yes, point to the earlier key */ + /* mark the suffix as deleted */ + while (*suffix != 0) { *suffix++ = 1; } + *suffix = 1; + } else { + break; /* not a suffix, restart from here */ + } + } + i = j; + } + /* + * Re-sort by newpos, then modify the key characters array in-place + * to squeeze out unused bytes, and readjust the newpos offsets. + */ + uprv_sortArray(map, keysCount, (int32_t)sizeof(KeyMapEntry), + compareKeyNewpos, NULL, FALSE, &errorCode); + if (U_SUCCESS(errorCode)) { + int32_t oldpos, newpos, limit; + oldpos = newpos = fKeysBottom; + limit = fKeysTop; + /* skip key offsets that point into the pool bundle rather than this new bundle */ + for (i = 0; i < keysCount && map[i].newpos < 0; ++i) {} + if (i < keysCount) { + while (oldpos < limit) { + if (keys[oldpos] == 1) { + ++oldpos; /* skip unused bytes */ + } else { + /* adjust the new offsets for keys starting here */ + while (i < keysCount && map[i].newpos == oldpos) { + map[i++].newpos = newpos; + } + /* move the key characters to their new position */ + keys[newpos++] = keys[oldpos++]; + } + } + assert(i == keysCount); + } + fKeysTop = newpos; + /* Re-sort once more, by old offsets for binary searching. */ + uprv_sortArray(map, keysCount, (int32_t)sizeof(KeyMapEntry), + compareKeyOldpos, NULL, FALSE, &errorCode); + if (U_SUCCESS(errorCode)) { + /* key size reduction by limit - newpos */ + fKeyMap = map; + map = NULL; + } + } + } + uprv_free(map); +} + +static int32_t U_CALLCONV +compareStringSuffixes(const void * /*context*/, const void *l, const void *r) { + const StringResource *left = *((const StringResource **)l); + const StringResource *right = *((const StringResource **)r); + const UChar *lStart = left->getBuffer(); + const UChar *lLimit = lStart + left->length(); + const UChar *rStart = right->getBuffer(); + const UChar *rLimit = rStart + right->length(); + int32_t diff; + /* compare keys in reverse character order */ + while (lStart < lLimit && rStart < rLimit) { + diff = (int32_t)*--lLimit - (int32_t)*--rLimit; + if (diff != 0) { + return diff; + } + } + /* sort equal suffixes by descending string length */ + return right->length() - left->length(); +} + +static int32_t U_CALLCONV +compareStringLengths(const void * /*context*/, const void *l, const void *r) { + const StringResource *left = *((const StringResource **)l); + const StringResource *right = *((const StringResource **)r); + int32_t diff; + /* Make "is suffix of another string" compare greater than a non-suffix. */ + diff = (int)(left->fSame != NULL) - (int)(right->fSame != NULL); + if (diff != 0) { + return diff; + } + /* sort by ascending string length */ + diff = left->length() - right->length(); + if (diff != 0) { + return diff; + } + // sort by descending size reduction + diff = right->fNumUnitsSaved - left->fNumUnitsSaved; + if (diff != 0) { + return diff; + } + // sort lexically + return left->fString.compare(right->fString); +} + +void +StringResource::writeUTF16v2(int32_t base, UnicodeString &dest) { + int32_t len = length(); + fRes = URES_MAKE_RESOURCE(URES_STRING_V2, base + dest.length()); + fWritten = TRUE; + switch(fNumCharsForLength) { + case 0: + break; + case 1: + dest.append((UChar)(0xdc00 + len)); + break; + case 2: + dest.append((UChar)(0xdfef + (len >> 16))); + dest.append((UChar)len); + break; + case 3: + dest.append((UChar)0xdfff); + dest.append((UChar)(len >> 16)); + dest.append((UChar)len); + break; + default: + break; /* will not occur */ + } + dest.append(fString); + dest.append((UChar)0); +} + +void +SRBRoot::compactStringsV2(UHashtable *stringSet, UErrorCode &errorCode) { + if (U_FAILURE(errorCode)) { + return; + } + // Store the StringResource pointers in an array for + // easy sorting and processing. + // We enumerate a set of strings, so there are no duplicates. + int32_t count = uhash_count(stringSet); + LocalArray<StringResource *> array(new StringResource *[count], errorCode); + if (U_FAILURE(errorCode)) { + return; + } + for (int32_t pos = UHASH_FIRST, i = 0; i < count; ++i) { + array[i] = (StringResource *)uhash_nextElement(stringSet, &pos)->key.pointer; + } + /* Sort the strings so that each one is immediately followed by all of its suffixes. */ + uprv_sortArray(array.getAlias(), count, (int32_t)sizeof(struct SResource **), + compareStringSuffixes, NULL, FALSE, &errorCode); + if (U_FAILURE(errorCode)) { + return; + } + /* + * Make suffixes point into earlier, longer strings that contain them. + * Temporarily use fSame and fSuffixOffset for suffix strings to + * refer to the remaining ones. + */ + for (int32_t i = 0; i < count;) { + /* + * This string is not a suffix of the previous one; + * write this one and subsume the following ones that are + * suffixes of this one. + */ + StringResource *res = array[i]; + res->fNumUnitsSaved = (res->fNumCopies - 1) * res->get16BitStringsLength(); + // Whole duplicates of pool strings are already account for in fPoolStringIndexLimit, + // see StringResource::handlePreflightStrings(). + int32_t j; + for (j = i + 1; j < count; ++j) { + StringResource *suffixRes = array[j]; + /* Is it a suffix of the earlier, longer string? */ + if (res->fString.endsWith(suffixRes->fString)) { + assert(res->length() != suffixRes->length()); // Set strings are unique. + if (suffixRes->fWritten) { + // Pool string, skip. + } else if (suffixRes->fNumCharsForLength == 0) { + /* yes, point to the earlier string */ + suffixRes->fSame = res; + suffixRes->fSuffixOffset = res->length() - suffixRes->length(); + if (res->fWritten) { + // Suffix-share res which is a pool string. + // Compute the resource word and collect the maximum. + suffixRes->fRes = + res->fRes + res->fNumCharsForLength + suffixRes->fSuffixOffset; + int32_t poolStringIndex = (int32_t)RES_GET_OFFSET(suffixRes->fRes); + if (poolStringIndex >= fPoolStringIndexLimit) { + fPoolStringIndexLimit = poolStringIndex + 1; + } + suffixRes->fWritten = TRUE; + } + res->fNumUnitsSaved += suffixRes->fNumCopies * suffixRes->get16BitStringsLength(); + } else { + /* write the suffix by itself if we need explicit length */ + } + } else { + break; /* not a suffix, restart from here */ + } + } + i = j; + } + /* + * Re-sort the strings by ascending length (except suffixes last) + * to optimize for URES_TABLE16 and URES_ARRAY16: + * Keep as many as possible within reach of 16-bit offsets. + */ + uprv_sortArray(array.getAlias(), count, (int32_t)sizeof(struct SResource **), + compareStringLengths, NULL, FALSE, &errorCode); + if (U_FAILURE(errorCode)) { + return; + } + if (fIsPoolBundle) { + // Write strings that are sufficiently shared. + // Avoid writing other strings. + int32_t numStringsWritten = 0; + int32_t numUnitsSaved = 0; + int32_t numUnitsNotSaved = 0; + for (int32_t i = 0; i < count; ++i) { + StringResource *res = array[i]; + // Maximum pool string index when suffix-sharing the last character. + int32_t maxStringIndex = + f16BitUnits.length() + res->fNumCharsForLength + res->length() - 1; + if (res->fNumUnitsSaved >= GENRB_MIN_16BIT_UNITS_SAVED_FOR_POOL_STRING && + maxStringIndex < RES_MAX_OFFSET) { + res->writeUTF16v2(0, f16BitUnits); + ++numStringsWritten; + numUnitsSaved += res->fNumUnitsSaved; + } else { + numUnitsNotSaved += res->fNumUnitsSaved; + res->fRes = URES_MAKE_EMPTY_RESOURCE(URES_STRING); + res->fWritten = TRUE; + } + } + if (f16BitUnits.isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + } + if (getShowWarning()) { // not quiet + printf("number of shared strings: %d\n", (int)numStringsWritten); + printf("16-bit units for strings: %6d = %6d bytes\n", + (int)f16BitUnits.length(), (int)f16BitUnits.length() * 2); + printf("16-bit units saved: %6d = %6d bytes\n", + (int)numUnitsSaved, (int)numUnitsSaved * 2); + printf("16-bit units not saved: %6d = %6d bytes\n", + (int)numUnitsNotSaved, (int)numUnitsNotSaved * 2); + } + } else { + assert(fPoolStringIndexLimit <= fUsePoolBundle->fStringIndexLimit); + /* Write the non-suffix strings. */ + int32_t i; + for (i = 0; i < count && array[i]->fSame == NULL; ++i) { + StringResource *res = array[i]; + if (!res->fWritten) { + int32_t localStringIndex = f16BitUnits.length(); + if (localStringIndex >= fLocalStringIndexLimit) { + fLocalStringIndexLimit = localStringIndex + 1; + } + res->writeUTF16v2(fPoolStringIndexLimit, f16BitUnits); + } + } + if (f16BitUnits.isBogus()) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return; + } + if (fWritePoolBundle != NULL && gFormatVersion >= 3) { + PseudoListResource *poolStrings = + static_cast<PseudoListResource *>(fWritePoolBundle->fRoot); + for (i = 0; i < count && array[i]->fSame == NULL; ++i) { + assert(!array[i]->fString.isEmpty()); + StringResource *poolString = + new StringResource(fWritePoolBundle, array[i]->fString, errorCode); + if (poolString == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + break; + } + poolStrings->add(poolString); + } + } + /* Write the suffix strings. Make each point to the real string. */ + for (; i < count; ++i) { + StringResource *res = array[i]; + if (res->fWritten) { + continue; + } + StringResource *same = res->fSame; + assert(res->length() != same->length()); // Set strings are unique. + res->fRes = same->fRes + same->fNumCharsForLength + res->fSuffixOffset; + int32_t localStringIndex = (int32_t)RES_GET_OFFSET(res->fRes) - fPoolStringIndexLimit; + // Suffixes of pool strings have been set already. + assert(localStringIndex >= 0); + if (localStringIndex >= fLocalStringIndexLimit) { + fLocalStringIndexLimit = localStringIndex + 1; + } + res->fWritten = TRUE; + } + } + // +1 to account for the initial zero in f16BitUnits + assert(f16BitUnits.length() <= (f16BitStringsLength + 1)); +} |