- * The data members in this class correspond to the in-memory layout
- * of the header of the pnames data.
- */
-class PropertyAliases {
-
- /* -- begin pnames data -- */
- /* Enum=>name EnumToOffset object for binary and enumerated */
- /* properties */
- Offset enumToName_offset;
-
- /* Name=>enum data for binary & enumerated properties */
- Offset nameToEnum_offset;
-
- /* Enum=>offset EnumToOffset object mapping enumerated properties */
- /* to ValueMap objects */
- Offset enumToValue_offset;
-
- /* The following are needed by external readers of this data. */
- /* We don't use them ourselves. */
- int16_t total_size; /* size in bytes excluding the udata header */
- Offset valueMap_offset; /* offset to start of array */
- int16_t valueMap_count; /* number of entries */
- Offset nameGroupPool_offset; /* offset to start of array */
- int16_t nameGroupPool_count; /* number of entries (not groups) */
- Offset stringPool_offset; /* offset to start of pool */
- int16_t stringPool_count; /* number of strings (not size in bytes) */
-
- /* -- end pnames data -- */
-
- friend class ::Builder;
-
- const ValueMap* getValueMap(EnumValue prop) const;
-
- const char* chooseNameInGroup(Offset offset,
- UPropertyNameChoice choice) const;
-
- public:
-
- inline const int8_t* getPointer(Offset o) const {
- return ((const int8_t*) this) + o;
- }
-
- inline const int8_t* getPointerNull(Offset o) const {
- return o ? getPointer(o) : NULL;
- }
-
- inline const char* getPropertyName(EnumValue prop,
- UPropertyNameChoice choice) const;
-
- inline EnumValue getPropertyEnum(const char* alias) const;
-
- inline const char* getPropertyValueName(EnumValue prop, EnumValue value,
- UPropertyNameChoice choice) const;
-
- inline EnumValue getPropertyValueEnum(EnumValue prop,
- const char* alias) const;
-
- static int32_t
- swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- UErrorCode *pErrorCode);
-};
-
-/* ---------------------------------------------------------------------- */
-/* EnumToOffset */
-
-/**
- * A generic map from enum values to Offsets. The enum values must be
- * contiguous, from enumStart to enumLimit. The Offset values may
- * point to anything.
- */
-class EnumToOffset {
-
- /* -- begin pnames data -- */
- EnumValue enumStart;
- EnumValue enumLimit;
- Offset _offsetArray; /* [array of enumLimit-enumStart] */
- /* -- end pnames data -- */
-
- friend class ::Builder;
-
- Offset* getOffsetArray() {
- return &_offsetArray;
- }
-
- const Offset* getOffsetArray() const {
- return &_offsetArray;
- }
-
- static int32_t getSize(int32_t n) {
- return sizeof(EnumToOffset) + sizeof(Offset) * (n - 1);
- }
-
- int32_t getSize() {
- return getSize(enumLimit - enumStart);
- }
-
- public:
-
- Offset getOffset(EnumValue enumProbe) const {
- if (enumProbe < enumStart ||
- enumProbe >= enumLimit) {
- return 0; /* not found */
- }
- const Offset* p = getOffsetArray();
- return p[enumProbe - enumStart];
- }
-
- static int32_t
- swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- uint8_t *temp, int32_t pos,
- UErrorCode *pErrorCode);
-};
-
-/* ---------------------------------------------------------------------- */
-/* NonContiguousEnumToOffset */
-
-/**
- * A generic map from enum values to Offsets. The enum values may be
- * disjoint. If they are contiguous, an EnumToOffset should be used
- * instead. The Offset values may point to anything.
- */
-class NonContiguousEnumToOffset {
-
- /* -- begin pnames data -- */
- int32_t count;
- EnumValue _enumArray; /* [array of count] */
- /* Offset _offsetArray; // [array of count] after enumValue[count-1] */
- /* -- end pnames data -- */
-
- friend class ::Builder;
-
- EnumValue* getEnumArray() {
- return &_enumArray;
- }
-
- const EnumValue* getEnumArray() const {
- return &_enumArray;
- }
-
- Offset* getOffsetArray() {
- return (Offset*) (getEnumArray() + count);
- }
-
- const Offset* getOffsetArray() const {
- return (Offset*) (getEnumArray() + count);
- }
-
- static int32_t getSize(int32_t n) {
- return sizeof(int32_t) + (sizeof(EnumValue) + sizeof(Offset)) * n;
- }
-
- int32_t getSize() {
- return getSize(count);
- }
-
- public:
-
- Offset getOffset(EnumValue enumProbe) const {
- const EnumValue* e = getEnumArray();
- const Offset* p = getOffsetArray();
- /* linear search; binary later if warranted */
- /* (binary is not faster for short lists) */
- for (int32_t i=0; i<count; ++i) {
- if (e[i] < enumProbe) continue;
- if (e[i] > enumProbe) break;
- return p[i];
- }
- return 0; /* not found */
- }
-
- static int32_t
- swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- uint8_t *temp, int32_t pos,
- UErrorCode *pErrorCode);
-};
-
-/* ---------------------------------------------------------------------- */
-/* NameToEnum */
-
-/**
- * A map from names to enum values.
- */
-class NameToEnum {
-
- /* -- begin pnames data -- */
- int32_t count; /* number of entries */
- EnumValue _enumArray; /* [array of count] EnumValues */
- /* Offset _nameArray; // [array of count] offsets to names */
- /* -- end pnames data -- */
-
- friend class ::Builder;
-
- EnumValue* getEnumArray() {
- return &_enumArray;
- }
-
- const EnumValue* getEnumArray() const {
- return &_enumArray;
- }
-
- Offset* getNameArray() {
- return (Offset*) (getEnumArray() + count);
- }
-
- const Offset* getNameArray() const {
- return (Offset*) (getEnumArray() + count);
- }
-
- static int32_t getSize(int32_t n) {
- return sizeof(int32_t) + (sizeof(Offset) + sizeof(EnumValue)) * n;
- }
-
- int32_t getSize() {
- return getSize(count);
- }
-
- public:
-
- EnumValue getEnum(const char* alias, const PropertyAliases& data) const {
-
- const Offset* n = getNameArray();
- const EnumValue* e = getEnumArray();
-
- /* linear search; binary later if warranted */
- /* (binary is not faster for short lists) */
- for (int32_t i=0; i<count; ++i) {
- const char* name = (const char*) data.getPointer(n[i]);
- int32_t c = uprv_comparePropertyNames(alias, name);
- if (c > 0) continue;
- if (c < 0) break;
- return e[i];
- }
-
- return UCHAR_INVALID_CODE;
- }
-
- static int32_t
- swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- uint8_t *temp, int32_t pos,
- UErrorCode *pErrorCode);
-};
-
-/*----------------------------------------------------------------------
- *
- * In-memory layout. THIS IS NOT A STANDALONE DOCUMENT. It goes
- * together with above C++ declarations and gives an overview.
projects / apple / icu.git / blobdiff