/*
**********************************************************************
-* Copyright (c) 2002-2009, International Business Machines
+* Copyright (c) 2002-2014, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
* Author: Alan Liu
* Created: October 30 2002
* Since: ICU 2.4
+* 2010nov19 Markus Scherer Rewrite for formatVersion 2.
**********************************************************************
*/
#include "propname.h"
#include "unicode/uchar.h"
#include "unicode/udata.h"
+#include "unicode/uscript.h"
#include "umutex.h"
#include "cmemory.h"
#include "cstring.h"
-#include "ucln_cmn.h"
#include "uarrsort.h"
+#include "uinvchar.h"
+
+#define INCLUDED_FROM_PROPNAME_CPP
+#include "propname_data.h"
U_CDECL_BEGIN
if(((r1|r2)&0xff)==0) {
return 0;
}
-
+
/* Compare the lowercased characters */
if(r1!=r2) {
rc=(r1&0xff)-(r2&0xff);
if(((r1|r2)&0xff)==0) {
return 0;
}
-
+
/* Compare the lowercased characters */
if(r1!=r2) {
rc=(r1&0xff)-(r2&0xff);
U_NAMESPACE_BEGIN
-//----------------------------------------------------------------------
-// PropertyAliases implementation
-
-const char*
-PropertyAliases::chooseNameInGroup(Offset offset,
- UPropertyNameChoice choice) const {
- int32_t c = choice;
- if (!offset || c < 0) {
- return NULL;
- }
- const Offset* p = (const Offset*) getPointer(offset);
- while (c-- > 0) {
- if (*p++ < 0) return NULL;
+int32_t PropNameData::findProperty(int32_t property) {
+ int32_t i=1; // valueMaps index, initially after numRanges
+ for(int32_t numRanges=valueMaps[0]; numRanges>0; --numRanges) {
+ // Read and skip the start and limit of this range.
+ int32_t start=valueMaps[i];
+ int32_t limit=valueMaps[i+1];
+ i+=2;
+ if(property<start) {
+ break;
+ }
+ if(property<limit) {
+ return i+(property-start)*2;
+ }
+ i+=(limit-start)*2; // Skip all entries for this range.
}
- Offset a = *p;
- if (a < 0) a = -a;
- return (const char*) getPointerNull(a);
+ return 0;
}
-const ValueMap*
-PropertyAliases::getValueMap(EnumValue prop) const {
- NonContiguousEnumToOffset* e2o = (NonContiguousEnumToOffset*) getPointer(enumToValue_offset);
- Offset a = e2o->getOffset(prop);
- return (const ValueMap*) (a ? getPointerNull(a) : NULL);
+int32_t PropNameData::findPropertyValueNameGroup(int32_t valueMapIndex, int32_t value) {
+ if(valueMapIndex==0) {
+ return 0; // The property does not have named values.
+ }
+ ++valueMapIndex; // Skip the BytesTrie offset.
+ int32_t numRanges=valueMaps[valueMapIndex++];
+ if(numRanges<0x10) {
+ // Ranges of values.
+ for(; numRanges>0; --numRanges) {
+ // Read and skip the start and limit of this range.
+ int32_t start=valueMaps[valueMapIndex];
+ int32_t limit=valueMaps[valueMapIndex+1];
+ valueMapIndex+=2;
+ if(value<start) {
+ break;
+ }
+ if(value<limit) {
+ return valueMaps[valueMapIndex+value-start];
+ }
+ valueMapIndex+=limit-start; // Skip all entries for this range.
+ }
+ } else {
+ // List of values.
+ int32_t valuesStart=valueMapIndex;
+ int32_t nameGroupOffsetsStart=valueMapIndex+numRanges-0x10;
+ do {
+ int32_t v=valueMaps[valueMapIndex];
+ if(value<v) {
+ break;
+ }
+ if(value==v) {
+ return valueMaps[nameGroupOffsetsStart+valueMapIndex-valuesStart];
+ }
+ } while(++valueMapIndex<nameGroupOffsetsStart);
+ }
+ return 0;
}
-inline const char*
-PropertyAliases::getPropertyName(EnumValue prop,
- UPropertyNameChoice choice) const {
- NonContiguousEnumToOffset* e2n = (NonContiguousEnumToOffset*) getPointer(enumToName_offset);
- return chooseNameInGroup(e2n->getOffset(prop), choice);
+const char *PropNameData::getName(const char *nameGroup, int32_t nameIndex) {
+ int32_t numNames=*nameGroup++;
+ if(nameIndex<0 || numNames<=nameIndex) {
+ return NULL;
+ }
+ // Skip nameIndex names.
+ for(; nameIndex>0; --nameIndex) {
+ nameGroup=uprv_strchr(nameGroup, 0)+1;
+ }
+ if(*nameGroup==0) {
+ return NULL; // no name (Property[Value]Aliases.txt has "n/a")
+ }
+ return nameGroup;
}
-inline EnumValue
-PropertyAliases::getPropertyEnum(const char* alias) const {
- NameToEnum* n2e = (NameToEnum*) getPointer(nameToEnum_offset);
- return n2e->getEnum(alias, *this);
+UBool PropNameData::containsName(BytesTrie &trie, const char *name) {
+ if(name==NULL) {
+ return FALSE;
+ }
+ UStringTrieResult result=USTRINGTRIE_NO_VALUE;
+ char c;
+ while((c=*name++)!=0) {
+ c=uprv_invCharToLowercaseAscii(c);
+ // Ignore delimiters '-', '_', and ASCII White_Space.
+ if(c==0x2d || c==0x5f || c==0x20 || (0x09<=c && c<=0x0d)) {
+ continue;
+ }
+ if(!USTRINGTRIE_HAS_NEXT(result)) {
+ return FALSE;
+ }
+ result=trie.next((uint8_t)c);
+ }
+ return USTRINGTRIE_HAS_VALUE(result);
}
-inline const char*
-PropertyAliases::getPropertyValueName(EnumValue prop,
- EnumValue value,
- UPropertyNameChoice choice) const {
- const ValueMap* vm = getValueMap(prop);
- if (!vm) return NULL;
- Offset a;
- if (vm->enumToName_offset) {
- a = ((EnumToOffset*) getPointer(vm->enumToName_offset))->
- getOffset(value);
- } else {
- a = ((NonContiguousEnumToOffset*) getPointer(vm->ncEnumToName_offset))->
- getOffset(value);
+const char *PropNameData::getPropertyName(int32_t property, int32_t nameChoice) {
+ int32_t valueMapIndex=findProperty(property);
+ if(valueMapIndex==0) {
+ return NULL; // Not a known property.
}
- return chooseNameInGroup(a, choice);
+ return getName(nameGroups+valueMaps[valueMapIndex], nameChoice);
}
-inline EnumValue
-PropertyAliases::getPropertyValueEnum(EnumValue prop,
- const char* alias) const {
- const ValueMap* vm = getValueMap(prop);
- if (!vm) return UCHAR_INVALID_CODE;
- NameToEnum* n2e = (NameToEnum*) getPointer(vm->nameToEnum_offset);
- return n2e->getEnum(alias, *this);
+const char *PropNameData::getPropertyValueName(int32_t property, int32_t value, int32_t nameChoice) {
+ int32_t valueMapIndex=findProperty(property);
+ if(valueMapIndex==0) {
+ return NULL; // Not a known property.
+ }
+ int32_t nameGroupOffset=findPropertyValueNameGroup(valueMaps[valueMapIndex+1], value);
+ if(nameGroupOffset==0) {
+ return NULL;
+ }
+ return getName(nameGroups+nameGroupOffset, nameChoice);
}
-U_NAMESPACE_END
-U_NAMESPACE_USE
-
-//----------------------------------------------------------------------
-// UDataMemory structures
-
-static const PropertyAliases* PNAME = NULL;
-static UDataMemory* UDATA = NULL;
-
-//----------------------------------------------------------------------
-// UDataMemory loading/unloading
-
-/**
- * udata callback to verify the zone data.
- */
-U_CDECL_BEGIN
-static UBool U_CALLCONV
-isPNameAcceptable(void* /*context*/,
- const char* /*type*/, const char* /*name*/,
- const UDataInfo* info) {
- return
- info->size >= sizeof(UDataInfo) &&
- info->isBigEndian == U_IS_BIG_ENDIAN &&
- info->charsetFamily == U_CHARSET_FAMILY &&
- info->dataFormat[0] == PNAME_SIG_0 &&
- info->dataFormat[1] == PNAME_SIG_1 &&
- info->dataFormat[2] == PNAME_SIG_2 &&
- info->dataFormat[3] == PNAME_SIG_3 &&
- info->formatVersion[0] == PNAME_FORMAT_VERSION;
+int32_t PropNameData::getPropertyOrValueEnum(int32_t bytesTrieOffset, const char *alias) {
+ BytesTrie trie(bytesTries+bytesTrieOffset);
+ if(containsName(trie, alias)) {
+ return trie.getValue();
+ } else {
+ return UCHAR_INVALID_CODE;
+ }
}
-static UBool U_CALLCONV pname_cleanup(void) {
- if (UDATA) {
- udata_close(UDATA);
- UDATA = NULL;
- }
- PNAME = NULL;
- return TRUE;
+int32_t PropNameData::getPropertyEnum(const char *alias) {
+ return getPropertyOrValueEnum(0, alias);
}
-U_CDECL_END
-/**
- * Load the property names data. Caller should check that data is
- * not loaded BEFORE calling this function. Returns TRUE if the load
- * succeeds.
- */
-static UBool _load() {
- UErrorCode ec = U_ZERO_ERROR;
- UDataMemory* data =
- udata_openChoice(0, PNAME_DATA_TYPE, PNAME_DATA_NAME,
- isPNameAcceptable, 0, &ec);
- if (U_SUCCESS(ec)) {
- umtx_lock(NULL);
- if (UDATA == NULL) {
- UDATA = data;
- PNAME = (const PropertyAliases*) udata_getMemory(UDATA);
- ucln_common_registerCleanup(UCLN_COMMON_PNAME, pname_cleanup);
- data = NULL;
- }
- umtx_unlock(NULL);
+int32_t PropNameData::getPropertyValueEnum(int32_t property, const char *alias) {
+ int32_t valueMapIndex=findProperty(property);
+ if(valueMapIndex==0) {
+ return UCHAR_INVALID_CODE; // Not a known property.
}
- if (data) {
- udata_close(data);
+ valueMapIndex=valueMaps[valueMapIndex+1];
+ if(valueMapIndex==0) {
+ return UCHAR_INVALID_CODE; // The property does not have named values.
}
- return PNAME!=NULL;
-}
-
-/**
- * Inline function that expands to code that does a lazy load of the
- * property names data. If the data is already loaded, avoids an
- * unnecessary function call. If the data is not loaded, call _load()
- * to load it, and return TRUE if the load succeeds.
- */
-static inline UBool load() {
- UBool f;
- UMTX_CHECK(NULL, (PNAME!=NULL), f);
- return f || _load();
+ // valueMapIndex is the start of the property's valueMap,
+ // where the first word is the BytesTrie offset.
+ return getPropertyOrValueEnum(valueMaps[valueMapIndex], alias);
}
+U_NAMESPACE_END
//----------------------------------------------------------------------
// Public API implementation
-// The C API is just a thin wrapper. Each function obtains a pointer
-// to the singleton PropertyAliases, and calls the appropriate method
-// on it. If it cannot obtain a pointer, because valid data is not
-// available, then it returns NULL or UCHAR_INVALID_CODE.
-
U_CAPI const char* U_EXPORT2
u_getPropertyName(UProperty property,
UPropertyNameChoice nameChoice) {
- return load() ? PNAME->getPropertyName(property, nameChoice)
- : NULL;
+ U_NAMESPACE_USE
+ return PropNameData::getPropertyName(property, nameChoice);
}
U_CAPI UProperty U_EXPORT2
u_getPropertyEnum(const char* alias) {
- UProperty p = load() ? (UProperty) PNAME->getPropertyEnum(alias)
- : UCHAR_INVALID_CODE;
- return p;
+ U_NAMESPACE_USE
+ return (UProperty)PropNameData::getPropertyEnum(alias);
}
U_CAPI const char* U_EXPORT2
u_getPropertyValueName(UProperty property,
int32_t value,
UPropertyNameChoice nameChoice) {
- return load() ? PNAME->getPropertyValueName(property, value, nameChoice)
- : NULL;
+ U_NAMESPACE_USE
+ return PropNameData::getPropertyValueName(property, value, nameChoice);
}
U_CAPI int32_t U_EXPORT2
u_getPropertyValueEnum(UProperty property,
const char* alias) {
- return load() ? PNAME->getPropertyValueEnum(property, alias)
- : (int32_t)UCHAR_INVALID_CODE;
+ U_NAMESPACE_USE
+ return PropNameData::getPropertyValueEnum(property, alias);
}
-/* data swapping ------------------------------------------------------------ */
-
-/*
- * Sub-structure-swappers use the temp array (which is as large as the
- * actual data) for intermediate storage,
- * as well as to indicate if a particular structure has been swapped already.
- * The temp array is initially reset to all 0.
- * pos is the byte offset of the sub-structure in the inBytes/outBytes/temp arrays.
- */
-
-int32_t
-EnumToOffset::swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- uint8_t *temp, int32_t pos,
- UErrorCode *pErrorCode) {
- const EnumToOffset *inMap;
- EnumToOffset *outMap, *tempMap;
- int32_t size;
-
- tempMap=(EnumToOffset *)(temp+pos);
- if(tempMap->enumStart!=0 || tempMap->enumLimit!=0) {
- /* this map was swapped already */
- size=tempMap->getSize();
- return size;
- }
-
- inMap=(const EnumToOffset *)(inBytes+pos);
- outMap=(EnumToOffset *)(outBytes+pos);
-
- tempMap->enumStart=udata_readInt32(ds, inMap->enumStart);
- tempMap->enumLimit=udata_readInt32(ds, inMap->enumLimit);
- size=tempMap->getSize();
-
- if(length>=0) {
- if(length<(pos+size)) {
- if(length<(int32_t)sizeof(PropertyAliases)) {
- udata_printError(ds, "upname_swap(EnumToOffset): too few bytes (%d after header)\n"
- " for pnames.icu EnumToOffset{%d..%d} at %d\n",
- length, tempMap->enumStart, tempMap->enumLimit, pos);
- *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
- return 0;
- }
- }
-
- /* swap enumStart and enumLimit */
- ds->swapArray32(ds, inMap, 2*sizeof(EnumValue), outMap, pErrorCode);
-
- /* swap _offsetArray[] */
- ds->swapArray16(ds, inMap->getOffsetArray(), (tempMap->enumLimit-tempMap->enumStart)*sizeof(Offset),
- outMap->getOffsetArray(), pErrorCode);
- }
-
- return size;
+U_CAPI const char* U_EXPORT2
+uscript_getName(UScriptCode scriptCode){
+ return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode,
+ U_LONG_PROPERTY_NAME);
}
-int32_t
-NonContiguousEnumToOffset::swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- uint8_t *temp, int32_t pos,
- UErrorCode *pErrorCode) {
- const NonContiguousEnumToOffset *inMap;
- NonContiguousEnumToOffset *outMap, *tempMap;
- int32_t size;
-
- tempMap=(NonContiguousEnumToOffset *)(temp+pos);
- if(tempMap->count!=0) {
- /* this map was swapped already */
- size=tempMap->getSize();
- return size;
- }
-
- inMap=(const NonContiguousEnumToOffset *)(inBytes+pos);
- outMap=(NonContiguousEnumToOffset *)(outBytes+pos);
-
- tempMap->count=udata_readInt32(ds, inMap->count);
- size=tempMap->getSize();
-
- if(length>=0) {
- if(length<(pos+size)) {
- if(length<(int32_t)sizeof(PropertyAliases)) {
- udata_printError(ds, "upname_swap(NonContiguousEnumToOffset): too few bytes (%d after header)\n"
- " for pnames.icu NonContiguousEnumToOffset[%d] at %d\n",
- length, tempMap->count, pos);
- *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
- return 0;
- }
- }
-
- /* swap count and _enumArray[] */
- length=(1+tempMap->count)*sizeof(EnumValue);
- ds->swapArray32(ds, inMap, length,
- outMap, pErrorCode);
-
- /* swap _offsetArray[] */
- pos+=length;
- ds->swapArray16(ds, inBytes+pos, tempMap->count*sizeof(Offset),
- outBytes+pos, pErrorCode);
- }
-
- return size;
+U_CAPI const char* U_EXPORT2
+uscript_getShortName(UScriptCode scriptCode){
+ return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode,
+ U_SHORT_PROPERTY_NAME);
}
-
-struct NameAndIndex {
- Offset name, index;
-};
-
-U_CDECL_BEGIN
-typedef int32_t U_CALLCONV PropNameCompareFn(const char *name1, const char *name2);
-
-struct CompareContext {
- const char *chars;
- PropNameCompareFn *propCompare;
-};
-
-static int32_t U_CALLCONV
-upname_compareRows(const void *context, const void *left, const void *right) {
- CompareContext *cmp=(CompareContext *)context;
- return cmp->propCompare(cmp->chars+((const NameAndIndex *)left)->name,
- cmp->chars+((const NameAndIndex *)right)->name);
-}
-U_CDECL_END
-
-int32_t
-NameToEnum::swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- uint8_t *temp, int32_t pos,
- UErrorCode *pErrorCode) {
- const NameToEnum *inMap;
- NameToEnum *outMap, *tempMap;
-
- const EnumValue *inEnumArray;
- EnumValue *outEnumArray;
-
- const Offset *inNameArray;
- Offset *outNameArray;
-
- NameAndIndex *sortArray;
- CompareContext cmp;
-
- int32_t i, size, oldIndex;
-
- tempMap=(NameToEnum *)(temp+pos);
- if(tempMap->count!=0) {
- /* this map was swapped already */
- size=tempMap->getSize();
- return size;
- }
-
- inMap=(const NameToEnum *)(inBytes+pos);
- outMap=(NameToEnum *)(outBytes+pos);
-
- tempMap->count=udata_readInt32(ds, inMap->count);
- size=tempMap->getSize();
-
- if(length>=0) {
- if(length<(pos+size)) {
- if(length<(int32_t)sizeof(PropertyAliases)) {
- udata_printError(ds, "upname_swap(NameToEnum): too few bytes (%d after header)\n"
- " for pnames.icu NameToEnum[%d] at %d\n",
- length, tempMap->count, pos);
- *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
- return 0;
- }
- }
-
- /* swap count */
- ds->swapArray32(ds, inMap, 4, outMap, pErrorCode);
-
- inEnumArray=inMap->getEnumArray();
- outEnumArray=outMap->getEnumArray();
-
- inNameArray=(const Offset *)(inEnumArray+tempMap->count);
- outNameArray=(Offset *)(outEnumArray+tempMap->count);
-
- if(ds->inCharset==ds->outCharset) {
- /* no need to sort, just swap the enum/name arrays */
- ds->swapArray32(ds, inEnumArray, tempMap->count*4, outEnumArray, pErrorCode);
- ds->swapArray16(ds, inNameArray, tempMap->count*2, outNameArray, pErrorCode);
- return size;
- }
-
- /*
- * The name and enum arrays are sorted by names and must be resorted
- * if inCharset!=outCharset.
- * We use the corresponding part of the temp array to sort an array
- * of pairs of name offsets and sorting indexes.
- * Then the sorting indexes are used to permutate-swap the name and enum arrays.
- *
- * The outBytes must already contain the swapped strings.
- */
- sortArray=(NameAndIndex *)tempMap->getEnumArray();
- for(i=0; i<tempMap->count; ++i) {
- sortArray[i].name=udata_readInt16(ds, inNameArray[i]);
- sortArray[i].index=(Offset)i;
- }
-
- /*
- * use a stable sort to avoid shuffling of equal strings,
- * which makes testing harder
- */
- cmp.chars=(const char *)outBytes;
- if (ds->outCharset==U_ASCII_FAMILY) {
- cmp.propCompare=uprv_compareASCIIPropertyNames;
- }
- else {
- cmp.propCompare=uprv_compareEBCDICPropertyNames;
- }
- uprv_sortArray(sortArray, tempMap->count, sizeof(NameAndIndex),
- upname_compareRows, &cmp,
- TRUE, pErrorCode);
- if(U_FAILURE(*pErrorCode)) {
- udata_printError(ds, "upname_swap(NameToEnum).uprv_sortArray(%d items) failed\n",
- tempMap->count);
- return 0;
- }
-
- /* copy/swap/permutate _enumArray[] and _nameArray[] */
- if(inEnumArray!=outEnumArray) {
- for(i=0; i<tempMap->count; ++i) {
- oldIndex=sortArray[i].index;
- ds->swapArray32(ds, inEnumArray+oldIndex, 4, outEnumArray+i, pErrorCode);
- ds->swapArray16(ds, inNameArray+oldIndex, 2, outNameArray+i, pErrorCode);
- }
- } else {
- /*
- * in-place swapping: need to permutate into a temporary array
- * and then copy back to not destroy the data
- */
- EnumValue *tempEnumArray;
- Offset *oldIndexes;
-
- /* write name offsets directly from sortArray */
- for(i=0; i<tempMap->count; ++i) {
- ds->writeUInt16((uint16_t *)outNameArray+i, (uint16_t)sortArray[i].name);
- }
-
- /*
- * compress the oldIndexes into a separate array to make space for tempEnumArray
- * the tempMap _nameArray becomes oldIndexes[], getting the index
- * values from the 2D sortArray[],
- * while sortArray=tempMap _enumArray[] becomes tempEnumArray[]
- * this saves us allocating more memory
- *
- * it works because sizeof(NameAndIndex)<=sizeof(EnumValue)
- * and because the nameArray[] can be used for oldIndexes[]
- */
- tempEnumArray=(EnumValue *)sortArray;
- oldIndexes=(Offset *)(sortArray+tempMap->count);
-
- /* copy sortArray[].index values into oldIndexes[] */
- for(i=0; i<tempMap->count; ++i) {
- oldIndexes[i]=sortArray[i].index;
- }
-
- /* permutate inEnumArray[] into tempEnumArray[] */
- for(i=0; i<tempMap->count; ++i) {
- ds->swapArray32(ds, inEnumArray+oldIndexes[i], 4, tempEnumArray+i, pErrorCode);
- }
-
- /* copy tempEnumArray[] to outEnumArray[] */
- uprv_memcpy(outEnumArray, tempEnumArray, tempMap->count*4);
- }
- }
-
- return size;
-}
-
-int32_t
-PropertyAliases::swap(const UDataSwapper *ds,
- const uint8_t *inBytes, int32_t length, uint8_t *outBytes,
- UErrorCode *pErrorCode) {
- const PropertyAliases *inAliases;
- PropertyAliases *outAliases;
- PropertyAliases aliases;
-
- const ValueMap *inValueMaps;
- ValueMap *outValueMaps;
- ValueMap valueMap;
-
- int32_t i;
-
- inAliases=(const PropertyAliases *)inBytes;
- outAliases=(PropertyAliases *)outBytes;
-
- /* read the input PropertyAliases - all 16-bit values */
- for(i=0; i<(int32_t)sizeof(PropertyAliases)/2; ++i) {
- ((uint16_t *)&aliases)[i]=ds->readUInt16(((const uint16_t *)inBytes)[i]);
- }
-
- if(length>=0) {
- if(length<aliases.total_size) {
- udata_printError(ds, "upname_swap(): too few bytes (%d after header) for all of pnames.icu\n",
- length);
- *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
- return 0;
- }
-
- /* copy the data for inaccessible bytes */
- if(inBytes!=outBytes) {
- uprv_memcpy(outBytes, inBytes, aliases.total_size);
- }
-
- /* swap the PropertyAliases class fields */
- ds->swapArray16(ds, inAliases, sizeof(PropertyAliases), outAliases, pErrorCode);
-
- /* swap the name groups */
- ds->swapArray16(ds, inBytes+aliases.nameGroupPool_offset,
- aliases.stringPool_offset-aliases.nameGroupPool_offset,
- outBytes+aliases.nameGroupPool_offset, pErrorCode);
-
- /* swap the strings */
- udata_swapInvStringBlock(ds, inBytes+aliases.stringPool_offset,
- aliases.total_size-aliases.stringPool_offset,
- outBytes+aliases.stringPool_offset, pErrorCode);
-
- /*
- * alloc uint8_t temp[total_size] and reset it
- * swap each top-level struct, put at least the count fields into temp
- * use subclass-specific swap() functions
- * enumerate value maps, for each
- * if temp does not have count!=0 yet
- * read count, put it into temp
- * swap the array(s)
- * resort strings in name->enum maps
- * swap value maps
- */
- LocalMemory<uint8_t> temp;
- if(temp.allocateInsteadAndReset(aliases.total_size)==NULL) {
- udata_printError(ds, "upname_swap(): unable to allocate temp memory (%d bytes)\n",
- aliases.total_size);
- *pErrorCode=U_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
-
- /* swap properties->name groups map */
- NonContiguousEnumToOffset::swap(ds, inBytes, length, outBytes,
- temp.getAlias(), aliases.enumToName_offset, pErrorCode);
-
- /* swap name->properties map */
- NameToEnum::swap(ds, inBytes, length, outBytes,
- temp.getAlias(), aliases.nameToEnum_offset, pErrorCode);
-
- /* swap properties->value maps map */
- NonContiguousEnumToOffset::swap(ds, inBytes, length, outBytes,
- temp.getAlias(), aliases.enumToValue_offset, pErrorCode);
-
- /* enumerate all ValueMaps and swap them */
- inValueMaps=(const ValueMap *)(inBytes+aliases.valueMap_offset);
- outValueMaps=(ValueMap *)(outBytes+aliases.valueMap_offset);
-
- for(i=0; i<aliases.valueMap_count; ++i) {
- valueMap.enumToName_offset=udata_readInt16(ds, inValueMaps[i].enumToName_offset);
- valueMap.ncEnumToName_offset=udata_readInt16(ds, inValueMaps[i].ncEnumToName_offset);
- valueMap.nameToEnum_offset=udata_readInt16(ds, inValueMaps[i].nameToEnum_offset);
-
- if(valueMap.enumToName_offset!=0) {
- EnumToOffset::swap(ds, inBytes, length, outBytes,
- temp.getAlias(), valueMap.enumToName_offset,
- pErrorCode);
- } else if(valueMap.ncEnumToName_offset!=0) {
- NonContiguousEnumToOffset::swap(ds, inBytes, length, outBytes,
- temp.getAlias(), valueMap.ncEnumToName_offset,
- pErrorCode);
- }
- if(valueMap.nameToEnum_offset!=0) {
- NameToEnum::swap(ds, inBytes, length, outBytes,
- temp.getAlias(), valueMap.nameToEnum_offset,
- pErrorCode);
- }
- }
-
- /* swap the ValueMaps array itself */
- ds->swapArray16(ds, inValueMaps, aliases.valueMap_count*sizeof(ValueMap),
- outValueMaps, pErrorCode);
-
- /* name groups and strings were swapped above */
- }
-
- return aliases.total_size;
-}
-
-U_CAPI int32_t U_EXPORT2
-upname_swap(const UDataSwapper *ds,
- const void *inData, int32_t length, void *outData,
- UErrorCode *pErrorCode) {
- const UDataInfo *pInfo;
- int32_t headerSize;
-
- const uint8_t *inBytes;
- uint8_t *outBytes;
-
- /* udata_swapDataHeader checks the arguments */
- headerSize=udata_swapDataHeader(ds, inData, length, outData, pErrorCode);
- if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
- return 0;
- }
-
- /* check data format and format version */
- pInfo=(const UDataInfo *)((const char *)inData+4);
- if(!(
- pInfo->dataFormat[0]==0x70 && /* dataFormat="pnam" */
- pInfo->dataFormat[1]==0x6e &&
- pInfo->dataFormat[2]==0x61 &&
- pInfo->dataFormat[3]==0x6d &&
- pInfo->formatVersion[0]==1
- )) {
- udata_printError(ds, "upname_swap(): data format %02x.%02x.%02x.%02x (format version %02x) is not recognized as pnames.icu\n",
- pInfo->dataFormat[0], pInfo->dataFormat[1],
- pInfo->dataFormat[2], pInfo->dataFormat[3],
- pInfo->formatVersion[0]);
- *pErrorCode=U_UNSUPPORTED_ERROR;
- return 0;
- }
-
- inBytes=(const uint8_t *)inData+headerSize;
- outBytes=(uint8_t *)outData+headerSize;
-
- if(length>=0) {
- length-=headerSize;
- if(length<(int32_t)sizeof(PropertyAliases)) {
- udata_printError(ds, "upname_swap(): too few bytes (%d after header) for pnames.icu\n",
- length);
- *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
- return 0;
- }
- }
-
- return headerSize+PropertyAliases::swap(ds, inBytes, length, outBytes, pErrorCode);
-}
-
-//eof
projects / apple / icu.git / blobdiff