| /* |
| ********************************************************************** |
| * 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 "uarrsort.h" |
| #include "uinvchar.h" |
| |
| #define INCLUDED_FROM_PROPNAME_CPP |
| #include "propname_data.h" |
| |
| U_CDECL_BEGIN |
| |
| /** |
| * Get the next non-ignorable ASCII character from a property name |
| * and lowercases it. |
| * @return ((advance count for the name)<<8)|character |
| */ |
| static inline int32_t |
| getASCIIPropertyNameChar(const char *name) { |
| int32_t i; |
| char c; |
| |
| /* Ignore delimiters '-', '_', and ASCII White_Space */ |
| for(i=0; |
| (c=name[i++])==0x2d || c==0x5f || |
| c==0x20 || (0x09<=c && c<=0x0d); |
| ) {} |
| |
| if(c!=0) { |
| return (i<<8)|(uint8_t)uprv_asciitolower((char)c); |
| } else { |
| return i<<8; |
| } |
| } |
| |
| /** |
| * Get the next non-ignorable EBCDIC character from a property name |
| * and lowercases it. |
| * @return ((advance count for the name)<<8)|character |
| */ |
| static inline int32_t |
| getEBCDICPropertyNameChar(const char *name) { |
| int32_t i; |
| char c; |
| |
| /* Ignore delimiters '-', '_', and EBCDIC White_Space */ |
| for(i=0; |
| (c=name[i++])==0x60 || c==0x6d || |
| c==0x40 || c==0x05 || c==0x15 || c==0x25 || c==0x0b || c==0x0c || c==0x0d; |
| ) {} |
| |
| if(c!=0) { |
| return (i<<8)|(uint8_t)uprv_ebcdictolower((char)c); |
| } else { |
| return i<<8; |
| } |
| } |
| |
| /** |
| * Unicode property names and property value names are compared "loosely". |
| * |
| * UCD.html 4.0.1 says: |
| * For all property names, property value names, and for property values for |
| * Enumerated, Binary, or Catalog properties, use the following |
| * loose matching rule: |
| * |
| * LM3. Ignore case, whitespace, underscore ('_'), and hyphens. |
| * |
| * This function does just that, for (char *) name strings. |
| * It is almost identical to ucnv_compareNames() but also ignores |
| * C0 White_Space characters (U+0009..U+000d, and U+0085 on EBCDIC). |
| * |
| * @internal |
| */ |
| |
| U_CAPI int32_t U_EXPORT2 |
| uprv_compareASCIIPropertyNames(const char *name1, const char *name2) { |
| int32_t rc, r1, r2; |
| |
| for(;;) { |
| r1=getASCIIPropertyNameChar(name1); |
| r2=getASCIIPropertyNameChar(name2); |
| |
| /* If we reach the ends of both strings then they match */ |
| if(((r1|r2)&0xff)==0) { |
| return 0; |
| } |
| |
| /* Compare the lowercased characters */ |
| if(r1!=r2) { |
| rc=(r1&0xff)-(r2&0xff); |
| if(rc!=0) { |
| return rc; |
| } |
| } |
| |
| name1+=r1>>8; |
| name2+=r2>>8; |
| } |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| uprv_compareEBCDICPropertyNames(const char *name1, const char *name2) { |
| int32_t rc, r1, r2; |
| |
| for(;;) { |
| r1=getEBCDICPropertyNameChar(name1); |
| r2=getEBCDICPropertyNameChar(name2); |
| |
| /* If we reach the ends of both strings then they match */ |
| if(((r1|r2)&0xff)==0) { |
| return 0; |
| } |
| |
| /* Compare the lowercased characters */ |
| if(r1!=r2) { |
| rc=(r1&0xff)-(r2&0xff); |
| if(rc!=0) { |
| return rc; |
| } |
| } |
| |
| name1+=r1>>8; |
| name2+=r2>>8; |
| } |
| } |
| |
| U_CDECL_END |
| |
| U_NAMESPACE_BEGIN |
| |
| 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. |
| } |
| return 0; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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); |
| } |
| |
| 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 getName(nameGroups+valueMaps[valueMapIndex], nameChoice); |
| } |
| |
| 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); |
| } |
| |
| 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; |
| } |
| } |
| |
| int32_t PropNameData::getPropertyEnum(const char *alias) { |
| return getPropertyOrValueEnum(0, alias); |
| } |
| |
| 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. |
| } |
| valueMapIndex=valueMaps[valueMapIndex+1]; |
| if(valueMapIndex==0) { |
| return UCHAR_INVALID_CODE; // The property does not have named values. |
| } |
| // 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 |
| |
| U_CAPI const char* U_EXPORT2 |
| u_getPropertyName(UProperty property, |
| UPropertyNameChoice nameChoice) { |
| U_NAMESPACE_USE |
| return PropNameData::getPropertyName(property, nameChoice); |
| } |
| |
| U_CAPI UProperty U_EXPORT2 |
| u_getPropertyEnum(const char* alias) { |
| U_NAMESPACE_USE |
| return (UProperty)PropNameData::getPropertyEnum(alias); |
| } |
| |
| U_CAPI const char* U_EXPORT2 |
| u_getPropertyValueName(UProperty property, |
| int32_t value, |
| UPropertyNameChoice nameChoice) { |
| U_NAMESPACE_USE |
| return PropNameData::getPropertyValueName(property, value, nameChoice); |
| } |
| |
| U_CAPI int32_t U_EXPORT2 |
| u_getPropertyValueEnum(UProperty property, |
| const char* alias) { |
| U_NAMESPACE_USE |
| return PropNameData::getPropertyValueEnum(property, alias); |
| } |
| |
| U_CAPI const char* U_EXPORT2 |
| uscript_getName(UScriptCode scriptCode){ |
| return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode, |
| U_LONG_PROPERTY_NAME); |
| } |
| |
| U_CAPI const char* U_EXPORT2 |
| uscript_getShortName(UScriptCode scriptCode){ |
| return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode, |
| U_SHORT_PROPERTY_NAME); |
| } |
