Fredrik Roubert | 0596fae | 2017-04-18 21:34:02 +0200 | [diff] [blame] | 1 | // © 2016 and later: Unicode, Inc. and others. |
Fredrik Roubert | 64339d3 | 2016-10-21 19:43:16 +0200 | [diff] [blame] | 2 | // License & terms of use: http://www.unicode.org/copyright.html |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 3 | /* |
| 4 | ********************************************************************** |
ccornelius | f9878a2 | 2014-11-20 18:09:39 -0800 | [diff] [blame] | 5 | * Copyright (c) 2002-2014, International Business Machines |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 6 | * Corporation and others. All Rights Reserved. |
| 7 | ********************************************************************** |
| 8 | * Author: Alan Liu |
| 9 | * Created: October 30 2002 |
| 10 | * Since: ICU 2.4 |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 11 | * 2010nov19 Markus Scherer Rewrite for formatVersion 2. |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 12 | ********************************************************************** |
| 13 | */ |
| 14 | #include "propname.h" |
| 15 | #include "unicode/uchar.h" |
| 16 | #include "unicode/udata.h" |
Craig Cornelius | 83a171d | 2012-10-09 17:03:29 -0700 | [diff] [blame] | 17 | #include "unicode/uscript.h" |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 18 | #include "umutex.h" |
| 19 | #include "cmemory.h" |
| 20 | #include "cstring.h" |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 21 | #include "uarrsort.h" |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 22 | #include "uinvchar.h" |
| 23 | |
| 24 | #define INCLUDED_FROM_PROPNAME_CPP |
| 25 | #include "propname_data.h" |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 26 | |
| 27 | U_CDECL_BEGIN |
| 28 | |
| 29 | /** |
| 30 | * Get the next non-ignorable ASCII character from a property name |
| 31 | * and lowercases it. |
| 32 | * @return ((advance count for the name)<<8)|character |
| 33 | */ |
| 34 | static inline int32_t |
| 35 | getASCIIPropertyNameChar(const char *name) { |
| 36 | int32_t i; |
| 37 | char c; |
| 38 | |
| 39 | /* Ignore delimiters '-', '_', and ASCII White_Space */ |
| 40 | for(i=0; |
| 41 | (c=name[i++])==0x2d || c==0x5f || |
| 42 | c==0x20 || (0x09<=c && c<=0x0d); |
| 43 | ) {} |
| 44 | |
| 45 | if(c!=0) { |
| 46 | return (i<<8)|(uint8_t)uprv_asciitolower((char)c); |
| 47 | } else { |
| 48 | return i<<8; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Get the next non-ignorable EBCDIC character from a property name |
| 54 | * and lowercases it. |
| 55 | * @return ((advance count for the name)<<8)|character |
| 56 | */ |
| 57 | static inline int32_t |
| 58 | getEBCDICPropertyNameChar(const char *name) { |
| 59 | int32_t i; |
| 60 | char c; |
| 61 | |
| 62 | /* Ignore delimiters '-', '_', and EBCDIC White_Space */ |
| 63 | for(i=0; |
| 64 | (c=name[i++])==0x60 || c==0x6d || |
| 65 | c==0x40 || c==0x05 || c==0x15 || c==0x25 || c==0x0b || c==0x0c || c==0x0d; |
| 66 | ) {} |
| 67 | |
| 68 | if(c!=0) { |
| 69 | return (i<<8)|(uint8_t)uprv_ebcdictolower((char)c); |
| 70 | } else { |
| 71 | return i<<8; |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Unicode property names and property value names are compared "loosely". |
| 77 | * |
| 78 | * UCD.html 4.0.1 says: |
| 79 | * For all property names, property value names, and for property values for |
| 80 | * Enumerated, Binary, or Catalog properties, use the following |
| 81 | * loose matching rule: |
| 82 | * |
| 83 | * LM3. Ignore case, whitespace, underscore ('_'), and hyphens. |
| 84 | * |
| 85 | * This function does just that, for (char *) name strings. |
| 86 | * It is almost identical to ucnv_compareNames() but also ignores |
| 87 | * C0 White_Space characters (U+0009..U+000d, and U+0085 on EBCDIC). |
| 88 | * |
| 89 | * @internal |
| 90 | */ |
| 91 | |
| 92 | U_CAPI int32_t U_EXPORT2 |
| 93 | uprv_compareASCIIPropertyNames(const char *name1, const char *name2) { |
| 94 | int32_t rc, r1, r2; |
| 95 | |
| 96 | for(;;) { |
| 97 | r1=getASCIIPropertyNameChar(name1); |
| 98 | r2=getASCIIPropertyNameChar(name2); |
| 99 | |
| 100 | /* If we reach the ends of both strings then they match */ |
| 101 | if(((r1|r2)&0xff)==0) { |
| 102 | return 0; |
| 103 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 104 | |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 105 | /* Compare the lowercased characters */ |
| 106 | if(r1!=r2) { |
| 107 | rc=(r1&0xff)-(r2&0xff); |
| 108 | if(rc!=0) { |
| 109 | return rc; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | name1+=r1>>8; |
| 114 | name2+=r2>>8; |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | U_CAPI int32_t U_EXPORT2 |
| 119 | uprv_compareEBCDICPropertyNames(const char *name1, const char *name2) { |
| 120 | int32_t rc, r1, r2; |
| 121 | |
| 122 | for(;;) { |
| 123 | r1=getEBCDICPropertyNameChar(name1); |
| 124 | r2=getEBCDICPropertyNameChar(name2); |
| 125 | |
| 126 | /* If we reach the ends of both strings then they match */ |
| 127 | if(((r1|r2)&0xff)==0) { |
| 128 | return 0; |
| 129 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 130 | |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 131 | /* Compare the lowercased characters */ |
| 132 | if(r1!=r2) { |
| 133 | rc=(r1&0xff)-(r2&0xff); |
| 134 | if(rc!=0) { |
| 135 | return rc; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | name1+=r1>>8; |
| 140 | name2+=r2>>8; |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | U_CDECL_END |
| 145 | |
| 146 | U_NAMESPACE_BEGIN |
| 147 | |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 148 | int32_t PropNameData::findProperty(int32_t property) { |
| 149 | int32_t i=1; // valueMaps index, initially after numRanges |
| 150 | for(int32_t numRanges=valueMaps[0]; numRanges>0; --numRanges) { |
| 151 | // Read and skip the start and limit of this range. |
| 152 | int32_t start=valueMaps[i]; |
| 153 | int32_t limit=valueMaps[i+1]; |
| 154 | i+=2; |
| 155 | if(property<start) { |
| 156 | break; |
| 157 | } |
| 158 | if(property<limit) { |
| 159 | return i+(property-start)*2; |
| 160 | } |
| 161 | i+=(limit-start)*2; // Skip all entries for this range. |
| 162 | } |
| 163 | return 0; |
| 164 | } |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 165 | |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 166 | int32_t PropNameData::findPropertyValueNameGroup(int32_t valueMapIndex, int32_t value) { |
| 167 | if(valueMapIndex==0) { |
| 168 | return 0; // The property does not have named values. |
| 169 | } |
| 170 | ++valueMapIndex; // Skip the BytesTrie offset. |
| 171 | int32_t numRanges=valueMaps[valueMapIndex++]; |
| 172 | if(numRanges<0x10) { |
| 173 | // Ranges of values. |
| 174 | for(; numRanges>0; --numRanges) { |
| 175 | // Read and skip the start and limit of this range. |
| 176 | int32_t start=valueMaps[valueMapIndex]; |
| 177 | int32_t limit=valueMaps[valueMapIndex+1]; |
| 178 | valueMapIndex+=2; |
| 179 | if(value<start) { |
| 180 | break; |
| 181 | } |
| 182 | if(value<limit) { |
| 183 | return valueMaps[valueMapIndex+value-start]; |
| 184 | } |
| 185 | valueMapIndex+=limit-start; // Skip all entries for this range. |
| 186 | } |
| 187 | } else { |
| 188 | // List of values. |
| 189 | int32_t valuesStart=valueMapIndex; |
| 190 | int32_t nameGroupOffsetsStart=valueMapIndex+numRanges-0x10; |
| 191 | do { |
| 192 | int32_t v=valueMaps[valueMapIndex]; |
| 193 | if(value<v) { |
| 194 | break; |
| 195 | } |
| 196 | if(value==v) { |
| 197 | return valueMaps[nameGroupOffsetsStart+valueMapIndex-valuesStart]; |
| 198 | } |
| 199 | } while(++valueMapIndex<nameGroupOffsetsStart); |
| 200 | } |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | const char *PropNameData::getName(const char *nameGroup, int32_t nameIndex) { |
| 205 | int32_t numNames=*nameGroup++; |
| 206 | if(nameIndex<0 || numNames<=nameIndex) { |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 207 | return NULL; |
| 208 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 209 | // Skip nameIndex names. |
| 210 | for(; nameIndex>0; --nameIndex) { |
| 211 | nameGroup=uprv_strchr(nameGroup, 0)+1; |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 212 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 213 | if(*nameGroup==0) { |
| 214 | return NULL; // no name (Property[Value]Aliases.txt has "n/a") |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 215 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 216 | return nameGroup; |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 217 | } |
| 218 | |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 219 | UBool PropNameData::containsName(BytesTrie &trie, const char *name) { |
| 220 | if(name==NULL) { |
| 221 | return FALSE; |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 222 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 223 | UStringTrieResult result=USTRINGTRIE_NO_VALUE; |
| 224 | char c; |
| 225 | while((c=*name++)!=0) { |
| 226 | c=uprv_invCharToLowercaseAscii(c); |
| 227 | // Ignore delimiters '-', '_', and ASCII White_Space. |
| 228 | if(c==0x2d || c==0x5f || c==0x20 || (0x09<=c && c<=0x0d)) { |
| 229 | continue; |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 230 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 231 | if(!USTRINGTRIE_HAS_NEXT(result)) { |
| 232 | return FALSE; |
| 233 | } |
| 234 | result=trie.next((uint8_t)c); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 235 | } |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 236 | return USTRINGTRIE_HAS_VALUE(result); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 237 | } |
| 238 | |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 239 | const char *PropNameData::getPropertyName(int32_t property, int32_t nameChoice) { |
| 240 | int32_t valueMapIndex=findProperty(property); |
| 241 | if(valueMapIndex==0) { |
| 242 | return NULL; // Not a known property. |
| 243 | } |
| 244 | return getName(nameGroups+valueMaps[valueMapIndex], nameChoice); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 245 | } |
| 246 | |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 247 | const char *PropNameData::getPropertyValueName(int32_t property, int32_t value, int32_t nameChoice) { |
| 248 | int32_t valueMapIndex=findProperty(property); |
| 249 | if(valueMapIndex==0) { |
| 250 | return NULL; // Not a known property. |
| 251 | } |
| 252 | int32_t nameGroupOffset=findPropertyValueNameGroup(valueMaps[valueMapIndex+1], value); |
| 253 | if(nameGroupOffset==0) { |
| 254 | return NULL; |
| 255 | } |
| 256 | return getName(nameGroups+nameGroupOffset, nameChoice); |
| 257 | } |
| 258 | |
| 259 | int32_t PropNameData::getPropertyOrValueEnum(int32_t bytesTrieOffset, const char *alias) { |
| 260 | BytesTrie trie(bytesTries+bytesTrieOffset); |
| 261 | if(containsName(trie, alias)) { |
| 262 | return trie.getValue(); |
| 263 | } else { |
| 264 | return UCHAR_INVALID_CODE; |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | int32_t PropNameData::getPropertyEnum(const char *alias) { |
| 269 | return getPropertyOrValueEnum(0, alias); |
| 270 | } |
| 271 | |
| 272 | int32_t PropNameData::getPropertyValueEnum(int32_t property, const char *alias) { |
| 273 | int32_t valueMapIndex=findProperty(property); |
| 274 | if(valueMapIndex==0) { |
| 275 | return UCHAR_INVALID_CODE; // Not a known property. |
| 276 | } |
| 277 | valueMapIndex=valueMaps[valueMapIndex+1]; |
| 278 | if(valueMapIndex==0) { |
| 279 | return UCHAR_INVALID_CODE; // The property does not have named values. |
| 280 | } |
| 281 | // valueMapIndex is the start of the property's valueMap, |
| 282 | // where the first word is the BytesTrie offset. |
| 283 | return getPropertyOrValueEnum(valueMaps[valueMapIndex], alias); |
| 284 | } |
| 285 | U_NAMESPACE_END |
| 286 | |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 287 | //---------------------------------------------------------------------- |
| 288 | // Public API implementation |
| 289 | |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 290 | U_CAPI const char* U_EXPORT2 |
| 291 | u_getPropertyName(UProperty property, |
| 292 | UPropertyNameChoice nameChoice) { |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 293 | U_NAMESPACE_USE |
| 294 | return PropNameData::getPropertyName(property, nameChoice); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | U_CAPI UProperty U_EXPORT2 |
| 298 | u_getPropertyEnum(const char* alias) { |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 299 | U_NAMESPACE_USE |
| 300 | return (UProperty)PropNameData::getPropertyEnum(alias); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | U_CAPI const char* U_EXPORT2 |
| 304 | u_getPropertyValueName(UProperty property, |
| 305 | int32_t value, |
| 306 | UPropertyNameChoice nameChoice) { |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 307 | U_NAMESPACE_USE |
| 308 | return PropNameData::getPropertyValueName(property, value, nameChoice); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | U_CAPI int32_t U_EXPORT2 |
| 312 | u_getPropertyValueEnum(UProperty property, |
| 313 | const char* alias) { |
claireho | b26ce3a | 2012-01-10 17:54:41 -0800 | [diff] [blame] | 314 | U_NAMESPACE_USE |
| 315 | return PropNameData::getPropertyValueEnum(property, alias); |
Jean-Baptiste Queru | b13da9d | 2009-07-17 17:53:22 -0700 | [diff] [blame] | 316 | } |
Craig Cornelius | 83a171d | 2012-10-09 17:03:29 -0700 | [diff] [blame] | 317 | |
| 318 | U_CAPI const char* U_EXPORT2 |
| 319 | uscript_getName(UScriptCode scriptCode){ |
| 320 | return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode, |
| 321 | U_LONG_PROPERTY_NAME); |
| 322 | } |
| 323 | |
| 324 | U_CAPI const char* U_EXPORT2 |
| 325 | uscript_getShortName(UScriptCode scriptCode){ |
| 326 | return u_getPropertyValueName(UCHAR_SCRIPT, scriptCode, |
| 327 | U_SHORT_PROPERTY_NAME); |
| 328 | } |