| 1 | /* |
| 2 | * |
| 3 | * Copyright (c) 2004 |
| 4 | * John Maddock |
| 5 | * |
| 6 | * Use, modification and distribution are subject to the |
| 7 | * Boost Software License, Version 1.0. (See accompanying file |
| 8 | * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | /* |
| 13 | * LOCATION: see http://www.boost.org for most recent version. |
| 14 | * FILE icu.cpp |
| 15 | * VERSION see <boost/version.hpp> |
| 16 | * DESCRIPTION: Unicode regular expressions on top of the ICU Library. |
| 17 | */ |
| 18 | #define BOOST_REGEX_SOURCE |
| 19 | |
| 20 | #include <boost/regex/config.hpp> |
| 21 | #ifdef BOOST_HAS_ICU |
| 22 | #define BOOST_REGEX_ICU_INSTANTIATE |
| 23 | #include <boost/regex/icu.hpp> |
| 24 | |
| 25 | #ifdef BOOST_INTEL |
| 26 | #pragma warning(disable:981 2259 383) |
| 27 | #endif |
| 28 | |
| 29 | namespace boost{ |
| 30 | |
| 31 | namespace BOOST_REGEX_DETAIL_NS{ |
| 32 | |
| 33 | icu_regex_traits_implementation::string_type icu_regex_traits_implementation::do_transform(const char_type* p1, const char_type* p2, const U_NAMESPACE_QUALIFIER Collator* pcoll) const |
| 34 | { |
| 35 | // TODO make thread safe!!!! : |
| 36 | typedef u32_to_u16_iterator<const char_type*, ::UChar> itt; |
| 37 | itt i(p1), j(p2); |
| 38 | #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS |
| 39 | std::vector< ::UChar> t(i, j); |
| 40 | #else |
| 41 | std::vector< ::UChar> t; |
| 42 | while(i != j) |
| 43 | t.push_back(*i++); |
| 44 | #endif |
| 45 | ::uint8_t result[100]; |
| 46 | ::int32_t len; |
| 47 | if(t.size()) |
| 48 | len = pcoll->getSortKey(&*t.begin(), static_cast< ::int32_t>(t.size()), result, sizeof(result)); |
| 49 | else |
| 50 | len = pcoll->getSortKey(static_cast<UChar const*>(0), static_cast< ::int32_t>(0), result, sizeof(result)); |
| 51 | if(std::size_t(len) > sizeof(result)) |
| 52 | { |
| 53 | scoped_array< ::uint8_t> presult(new ::uint8_t[len+1]); |
| 54 | if(t.size()) |
| 55 | len = pcoll->getSortKey(&*t.begin(), static_cast< ::int32_t>(t.size()), presult.get(), len+1); |
| 56 | else |
| 57 | len = pcoll->getSortKey(static_cast<UChar const*>(0), static_cast< ::int32_t>(0), presult.get(), len+1); |
| 58 | if((0 == presult[len-1]) && (len > 1)) |
| 59 | --len; |
| 60 | #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS |
| 61 | return string_type(presult.get(), presult.get()+len); |
| 62 | #else |
| 63 | string_type sresult; |
| 64 | ::uint8_t const* ia = presult.get(); |
| 65 | ::uint8_t const* ib = presult.get()+len; |
| 66 | while(ia != ib) |
| 67 | sresult.push_back(*ia++); |
| 68 | return sresult; |
| 69 | #endif |
| 70 | } |
| 71 | if((0 == result[len-1]) && (len > 1)) |
| 72 | --len; |
| 73 | #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS |
| 74 | return string_type(result, result+len); |
| 75 | #else |
| 76 | string_type sresult; |
| 77 | ::uint8_t const* ia = result; |
| 78 | ::uint8_t const* ib = result+len; |
| 79 | while(ia != ib) |
| 80 | sresult.push_back(*ia++); |
| 81 | return sresult; |
| 82 | #endif |
| 83 | } |
| 84 | |
| 85 | } |
| 86 | |
| 87 | icu_regex_traits::size_type icu_regex_traits::length(const char_type* p) |
| 88 | { |
| 89 | size_type result = 0; |
| 90 | while(*p) |
| 91 | { |
| 92 | ++p; |
| 93 | ++result; |
| 94 | } |
| 95 | return result; |
| 96 | } |
| 97 | |
| 98 | // |
| 99 | // define our bitmasks: |
| 100 | // |
| 101 | const icu_regex_traits::char_class_type icu_regex_traits::mask_blank = icu_regex_traits::char_class_type(1) << offset_blank; |
| 102 | const icu_regex_traits::char_class_type icu_regex_traits::mask_space = icu_regex_traits::char_class_type(1) << offset_space; |
| 103 | const icu_regex_traits::char_class_type icu_regex_traits::mask_xdigit = icu_regex_traits::char_class_type(1) << offset_xdigit; |
| 104 | const icu_regex_traits::char_class_type icu_regex_traits::mask_underscore = icu_regex_traits::char_class_type(1) << offset_underscore; |
| 105 | const icu_regex_traits::char_class_type icu_regex_traits::mask_unicode = icu_regex_traits::char_class_type(1) << offset_unicode; |
| 106 | const icu_regex_traits::char_class_type icu_regex_traits::mask_any = icu_regex_traits::char_class_type(1) << offset_any; |
| 107 | const icu_regex_traits::char_class_type icu_regex_traits::mask_ascii = icu_regex_traits::char_class_type(1) << offset_ascii; |
| 108 | const icu_regex_traits::char_class_type icu_regex_traits::mask_horizontal = icu_regex_traits::char_class_type(1) << offset_horizontal; |
| 109 | const icu_regex_traits::char_class_type icu_regex_traits::mask_vertical = icu_regex_traits::char_class_type(1) << offset_vertical; |
| 110 | |
| 111 | icu_regex_traits::char_class_type icu_regex_traits::lookup_icu_mask(const ::UChar32* p1, const ::UChar32* p2) |
| 112 | { |
| 113 | static const ::UChar32 prop_name_table[] = { |
| 114 | /* any */ 'a', 'n', 'y', |
| 115 | /* ascii */ 'a', 's', 'c', 'i', 'i', |
| 116 | /* assigned */ 'a', 's', 's', 'i', 'g', 'n', 'e', 'd', |
| 117 | /* c* */ 'c', '*', |
| 118 | /* cc */ 'c', 'c', |
| 119 | /* cf */ 'c', 'f', |
| 120 | /* closepunctuation */ 'c', 'l', 'o', 's', 'e', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 121 | /* cn */ 'c', 'n', |
| 122 | /* co */ 'c', 'o', |
| 123 | /* connectorpunctuation */ 'c', 'o', 'n', 'n', 'e', 'c', 't', 'o', 'r', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 124 | /* control */ 'c', 'o', 'n', 't', 'r', 'o', 'l', |
| 125 | /* cs */ 'c', 's', |
| 126 | /* currencysymbol */ 'c', 'u', 'r', 'r', 'e', 'n', 'c', 'y', 's', 'y', 'm', 'b', 'o', 'l', |
| 127 | /* dashpunctuation */ 'd', 'a', 's', 'h', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 128 | /* decimaldigitnumber */ 'd', 'e', 'c', 'i', 'm', 'a', 'l', 'd', 'i', 'g', 'i', 't', 'n', 'u', 'm', 'b', 'e', 'r', |
| 129 | /* enclosingmark */ 'e', 'n', 'c', 'l', 'o', 's', 'i', 'n', 'g', 'm', 'a', 'r', 'k', |
| 130 | /* finalpunctuation */ 'f', 'i', 'n', 'a', 'l', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 131 | /* format */ 'f', 'o', 'r', 'm', 'a', 't', |
| 132 | /* initialpunctuation */ 'i', 'n', 'i', 't', 'i', 'a', 'l', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 133 | /* l* */ 'l', '*', |
| 134 | /* letter */ 'l', 'e', 't', 't', 'e', 'r', |
| 135 | /* letternumber */ 'l', 'e', 't', 't', 'e', 'r', 'n', 'u', 'm', 'b', 'e', 'r', |
| 136 | /* lineseparator */ 'l', 'i', 'n', 'e', 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r', |
| 137 | /* ll */ 'l', 'l', |
| 138 | /* lm */ 'l', 'm', |
| 139 | /* lo */ 'l', 'o', |
| 140 | /* lowercaseletter */ 'l', 'o', 'w', 'e', 'r', 'c', 'a', 's', 'e', 'l', 'e', 't', 't', 'e', 'r', |
| 141 | /* lt */ 'l', 't', |
| 142 | /* lu */ 'l', 'u', |
| 143 | /* m* */ 'm', '*', |
| 144 | /* mark */ 'm', 'a', 'r', 'k', |
| 145 | /* mathsymbol */ 'm', 'a', 't', 'h', 's', 'y', 'm', 'b', 'o', 'l', |
| 146 | /* mc */ 'm', 'c', |
| 147 | /* me */ 'm', 'e', |
| 148 | /* mn */ 'm', 'n', |
| 149 | /* modifierletter */ 'm', 'o', 'd', 'i', 'f', 'i', 'e', 'r', 'l', 'e', 't', 't', 'e', 'r', |
| 150 | /* modifiersymbol */ 'm', 'o', 'd', 'i', 'f', 'i', 'e', 'r', 's', 'y', 'm', 'b', 'o', 'l', |
| 151 | /* n* */ 'n', '*', |
| 152 | /* nd */ 'n', 'd', |
| 153 | /* nl */ 'n', 'l', |
| 154 | /* no */ 'n', 'o', |
| 155 | /* nonspacingmark */ 'n', 'o', 'n', 's', 'p', 'a', 'c', 'i', 'n', 'g', 'm', 'a', 'r', 'k', |
| 156 | /* notassigned */ 'n', 'o', 't', 'a', 's', 's', 'i', 'g', 'n', 'e', 'd', |
| 157 | /* number */ 'n', 'u', 'm', 'b', 'e', 'r', |
| 158 | /* openpunctuation */ 'o', 'p', 'e', 'n', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 159 | /* other */ 'o', 't', 'h', 'e', 'r', |
| 160 | /* otherletter */ 'o', 't', 'h', 'e', 'r', 'l', 'e', 't', 't', 'e', 'r', |
| 161 | /* othernumber */ 'o', 't', 'h', 'e', 'r', 'n', 'u', 'm', 'b', 'e', 'r', |
| 162 | /* otherpunctuation */ 'o', 't', 'h', 'e', 'r', 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 163 | /* othersymbol */ 'o', 't', 'h', 'e', 'r', 's', 'y', 'm', 'b', 'o', 'l', |
| 164 | /* p* */ 'p', '*', |
| 165 | /* paragraphseparator */ 'p', 'a', 'r', 'a', 'g', 'r', 'a', 'p', 'h', 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r', |
| 166 | /* pc */ 'p', 'c', |
| 167 | /* pd */ 'p', 'd', |
| 168 | /* pe */ 'p', 'e', |
| 169 | /* pf */ 'p', 'f', |
| 170 | /* pi */ 'p', 'i', |
| 171 | /* po */ 'p', 'o', |
| 172 | /* privateuse */ 'p', 'r', 'i', 'v', 'a', 't', 'e', 'u', 's', 'e', |
| 173 | /* ps */ 'p', 's', |
| 174 | /* punctuation */ 'p', 'u', 'n', 'c', 't', 'u', 'a', 't', 'i', 'o', 'n', |
| 175 | /* s* */ 's', '*', |
| 176 | /* sc */ 's', 'c', |
| 177 | /* separator */ 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r', |
| 178 | /* sk */ 's', 'k', |
| 179 | /* sm */ 's', 'm', |
| 180 | /* so */ 's', 'o', |
| 181 | /* spaceseparator */ 's', 'p', 'a', 'c', 'e', 's', 'e', 'p', 'a', 'r', 'a', 't', 'o', 'r', |
| 182 | /* spacingcombiningmark */ 's', 'p', 'a', 'c', 'i', 'n', 'g', 'c', 'o', 'm', 'b', 'i', 'n', 'i', 'n', 'g', 'm', 'a', 'r', 'k', |
| 183 | /* surrogate */ 's', 'u', 'r', 'r', 'o', 'g', 'a', 't', 'e', |
| 184 | /* symbol */ 's', 'y', 'm', 'b', 'o', 'l', |
| 185 | /* titlecase */ 't', 'i', 't', 'l', 'e', 'c', 'a', 's', 'e', |
| 186 | /* titlecaseletter */ 't', 'i', 't', 'l', 'e', 'c', 'a', 's', 'e', 'l', 'e', 't', 't', 'e', 'r', |
| 187 | /* uppercaseletter */ 'u', 'p', 'p', 'e', 'r', 'c', 'a', 's', 'e', 'l', 'e', 't', 't', 'e', 'r', |
| 188 | /* z* */ 'z', '*', |
| 189 | /* zl */ 'z', 'l', |
| 190 | /* zp */ 'z', 'p', |
| 191 | /* zs */ 'z', 's', |
| 192 | }; |
| 193 | |
| 194 | static const BOOST_REGEX_DETAIL_NS::character_pointer_range< ::UChar32> range_data[] = { |
| 195 | { prop_name_table+0, prop_name_table+3, }, // any |
| 196 | { prop_name_table+3, prop_name_table+8, }, // ascii |
| 197 | { prop_name_table+8, prop_name_table+16, }, // assigned |
| 198 | { prop_name_table+16, prop_name_table+18, }, // c* |
| 199 | { prop_name_table+18, prop_name_table+20, }, // cc |
| 200 | { prop_name_table+20, prop_name_table+22, }, // cf |
| 201 | { prop_name_table+22, prop_name_table+38, }, // closepunctuation |
| 202 | { prop_name_table+38, prop_name_table+40, }, // cn |
| 203 | { prop_name_table+40, prop_name_table+42, }, // co |
| 204 | { prop_name_table+42, prop_name_table+62, }, // connectorpunctuation |
| 205 | { prop_name_table+62, prop_name_table+69, }, // control |
| 206 | { prop_name_table+69, prop_name_table+71, }, // cs |
| 207 | { prop_name_table+71, prop_name_table+85, }, // currencysymbol |
| 208 | { prop_name_table+85, prop_name_table+100, }, // dashpunctuation |
| 209 | { prop_name_table+100, prop_name_table+118, }, // decimaldigitnumber |
| 210 | { prop_name_table+118, prop_name_table+131, }, // enclosingmark |
| 211 | { prop_name_table+131, prop_name_table+147, }, // finalpunctuation |
| 212 | { prop_name_table+147, prop_name_table+153, }, // format |
| 213 | { prop_name_table+153, prop_name_table+171, }, // initialpunctuation |
| 214 | { prop_name_table+171, prop_name_table+173, }, // l* |
| 215 | { prop_name_table+173, prop_name_table+179, }, // letter |
| 216 | { prop_name_table+179, prop_name_table+191, }, // letternumber |
| 217 | { prop_name_table+191, prop_name_table+204, }, // lineseparator |
| 218 | { prop_name_table+204, prop_name_table+206, }, // ll |
| 219 | { prop_name_table+206, prop_name_table+208, }, // lm |
| 220 | { prop_name_table+208, prop_name_table+210, }, // lo |
| 221 | { prop_name_table+210, prop_name_table+225, }, // lowercaseletter |
| 222 | { prop_name_table+225, prop_name_table+227, }, // lt |
| 223 | { prop_name_table+227, prop_name_table+229, }, // lu |
| 224 | { prop_name_table+229, prop_name_table+231, }, // m* |
| 225 | { prop_name_table+231, prop_name_table+235, }, // mark |
| 226 | { prop_name_table+235, prop_name_table+245, }, // mathsymbol |
| 227 | { prop_name_table+245, prop_name_table+247, }, // mc |
| 228 | { prop_name_table+247, prop_name_table+249, }, // me |
| 229 | { prop_name_table+249, prop_name_table+251, }, // mn |
| 230 | { prop_name_table+251, prop_name_table+265, }, // modifierletter |
| 231 | { prop_name_table+265, prop_name_table+279, }, // modifiersymbol |
| 232 | { prop_name_table+279, prop_name_table+281, }, // n* |
| 233 | { prop_name_table+281, prop_name_table+283, }, // nd |
| 234 | { prop_name_table+283, prop_name_table+285, }, // nl |
| 235 | { prop_name_table+285, prop_name_table+287, }, // no |
| 236 | { prop_name_table+287, prop_name_table+301, }, // nonspacingmark |
| 237 | { prop_name_table+301, prop_name_table+312, }, // notassigned |
| 238 | { prop_name_table+312, prop_name_table+318, }, // number |
| 239 | { prop_name_table+318, prop_name_table+333, }, // openpunctuation |
| 240 | { prop_name_table+333, prop_name_table+338, }, // other |
| 241 | { prop_name_table+338, prop_name_table+349, }, // otherletter |
| 242 | { prop_name_table+349, prop_name_table+360, }, // othernumber |
| 243 | { prop_name_table+360, prop_name_table+376, }, // otherpunctuation |
| 244 | { prop_name_table+376, prop_name_table+387, }, // othersymbol |
| 245 | { prop_name_table+387, prop_name_table+389, }, // p* |
| 246 | { prop_name_table+389, prop_name_table+407, }, // paragraphseparator |
| 247 | { prop_name_table+407, prop_name_table+409, }, // pc |
| 248 | { prop_name_table+409, prop_name_table+411, }, // pd |
| 249 | { prop_name_table+411, prop_name_table+413, }, // pe |
| 250 | { prop_name_table+413, prop_name_table+415, }, // pf |
| 251 | { prop_name_table+415, prop_name_table+417, }, // pi |
| 252 | { prop_name_table+417, prop_name_table+419, }, // po |
| 253 | { prop_name_table+419, prop_name_table+429, }, // privateuse |
| 254 | { prop_name_table+429, prop_name_table+431, }, // ps |
| 255 | { prop_name_table+431, prop_name_table+442, }, // punctuation |
| 256 | { prop_name_table+442, prop_name_table+444, }, // s* |
| 257 | { prop_name_table+444, prop_name_table+446, }, // sc |
| 258 | { prop_name_table+446, prop_name_table+455, }, // separator |
| 259 | { prop_name_table+455, prop_name_table+457, }, // sk |
| 260 | { prop_name_table+457, prop_name_table+459, }, // sm |
| 261 | { prop_name_table+459, prop_name_table+461, }, // so |
| 262 | { prop_name_table+461, prop_name_table+475, }, // spaceseparator |
| 263 | { prop_name_table+475, prop_name_table+495, }, // spacingcombiningmark |
| 264 | { prop_name_table+495, prop_name_table+504, }, // surrogate |
| 265 | { prop_name_table+504, prop_name_table+510, }, // symbol |
| 266 | { prop_name_table+510, prop_name_table+519, }, // titlecase |
| 267 | { prop_name_table+519, prop_name_table+534, }, // titlecaseletter |
| 268 | { prop_name_table+534, prop_name_table+549, }, // uppercaseletter |
| 269 | { prop_name_table+549, prop_name_table+551, }, // z* |
| 270 | { prop_name_table+551, prop_name_table+553, }, // zl |
| 271 | { prop_name_table+553, prop_name_table+555, }, // zp |
| 272 | { prop_name_table+555, prop_name_table+557, }, // zs |
| 273 | }; |
| 274 | |
| 275 | static const icu_regex_traits::char_class_type icu_class_map[] = { |
| 276 | icu_regex_traits::mask_any, // any |
| 277 | icu_regex_traits::mask_ascii, // ascii |
| 278 | (0x3FFFFFFFu) & ~(U_GC_CN_MASK), // assigned |
| 279 | U_GC_C_MASK, // c* |
| 280 | U_GC_CC_MASK, // cc |
| 281 | U_GC_CF_MASK, // cf |
| 282 | U_GC_PE_MASK, // closepunctuation |
| 283 | U_GC_CN_MASK, // cn |
| 284 | U_GC_CO_MASK, // co |
| 285 | U_GC_PC_MASK, // connectorpunctuation |
| 286 | U_GC_CC_MASK, // control |
| 287 | U_GC_CS_MASK, // cs |
| 288 | U_GC_SC_MASK, // currencysymbol |
| 289 | U_GC_PD_MASK, // dashpunctuation |
| 290 | U_GC_ND_MASK, // decimaldigitnumber |
| 291 | U_GC_ME_MASK, // enclosingmark |
| 292 | U_GC_PF_MASK, // finalpunctuation |
| 293 | U_GC_CF_MASK, // format |
| 294 | U_GC_PI_MASK, // initialpunctuation |
| 295 | U_GC_L_MASK, // l* |
| 296 | U_GC_L_MASK, // letter |
| 297 | U_GC_NL_MASK, // letternumber |
| 298 | U_GC_ZL_MASK, // lineseparator |
| 299 | U_GC_LL_MASK, // ll |
| 300 | U_GC_LM_MASK, // lm |
| 301 | U_GC_LO_MASK, // lo |
| 302 | U_GC_LL_MASK, // lowercaseletter |
| 303 | U_GC_LT_MASK, // lt |
| 304 | U_GC_LU_MASK, // lu |
| 305 | U_GC_M_MASK, // m* |
| 306 | U_GC_M_MASK, // mark |
| 307 | U_GC_SM_MASK, // mathsymbol |
| 308 | U_GC_MC_MASK, // mc |
| 309 | U_GC_ME_MASK, // me |
| 310 | U_GC_MN_MASK, // mn |
| 311 | U_GC_LM_MASK, // modifierletter |
| 312 | U_GC_SK_MASK, // modifiersymbol |
| 313 | U_GC_N_MASK, // n* |
| 314 | U_GC_ND_MASK, // nd |
| 315 | U_GC_NL_MASK, // nl |
| 316 | U_GC_NO_MASK, // no |
| 317 | U_GC_MN_MASK, // nonspacingmark |
| 318 | U_GC_CN_MASK, // notassigned |
| 319 | U_GC_N_MASK, // number |
| 320 | U_GC_PS_MASK, // openpunctuation |
| 321 | U_GC_C_MASK, // other |
| 322 | U_GC_LO_MASK, // otherletter |
| 323 | U_GC_NO_MASK, // othernumber |
| 324 | U_GC_PO_MASK, // otherpunctuation |
| 325 | U_GC_SO_MASK, // othersymbol |
| 326 | U_GC_P_MASK, // p* |
| 327 | U_GC_ZP_MASK, // paragraphseparator |
| 328 | U_GC_PC_MASK, // pc |
| 329 | U_GC_PD_MASK, // pd |
| 330 | U_GC_PE_MASK, // pe |
| 331 | U_GC_PF_MASK, // pf |
| 332 | U_GC_PI_MASK, // pi |
| 333 | U_GC_PO_MASK, // po |
| 334 | U_GC_CO_MASK, // privateuse |
| 335 | U_GC_PS_MASK, // ps |
| 336 | U_GC_P_MASK, // punctuation |
| 337 | U_GC_S_MASK, // s* |
| 338 | U_GC_SC_MASK, // sc |
| 339 | U_GC_Z_MASK, // separator |
| 340 | U_GC_SK_MASK, // sk |
| 341 | U_GC_SM_MASK, // sm |
| 342 | U_GC_SO_MASK, // so |
| 343 | U_GC_ZS_MASK, // spaceseparator |
| 344 | U_GC_MC_MASK, // spacingcombiningmark |
| 345 | U_GC_CS_MASK, // surrogate |
| 346 | U_GC_S_MASK, // symbol |
| 347 | U_GC_LT_MASK, // titlecase |
| 348 | U_GC_LT_MASK, // titlecaseletter |
| 349 | U_GC_LU_MASK, // uppercaseletter |
| 350 | U_GC_Z_MASK, // z* |
| 351 | U_GC_ZL_MASK, // zl |
| 352 | U_GC_ZP_MASK, // zp |
| 353 | U_GC_ZS_MASK, // zs |
| 354 | }; |
| 355 | |
| 356 | |
| 357 | static const BOOST_REGEX_DETAIL_NS::character_pointer_range< ::UChar32>* ranges_begin = range_data; |
| 358 | static const BOOST_REGEX_DETAIL_NS::character_pointer_range< ::UChar32>* ranges_end = range_data + (sizeof(range_data)/sizeof(range_data[0])); |
| 359 | |
| 360 | BOOST_REGEX_DETAIL_NS::character_pointer_range< ::UChar32> t = { p1, p2, }; |
| 361 | const BOOST_REGEX_DETAIL_NS::character_pointer_range< ::UChar32>* p = std::lower_bound(ranges_begin, ranges_end, t); |
| 362 | if((p != ranges_end) && (t == *p)) |
| 363 | return icu_class_map[p - ranges_begin]; |
| 364 | return 0; |
| 365 | } |
| 366 | |
| 367 | icu_regex_traits::char_class_type icu_regex_traits::lookup_classname(const char_type* p1, const char_type* p2) const |
| 368 | { |
| 369 | static const char_class_type masks[] = |
| 370 | { |
| 371 | 0, |
| 372 | U_GC_L_MASK | U_GC_ND_MASK, |
| 373 | U_GC_L_MASK, |
| 374 | mask_blank, |
| 375 | U_GC_CC_MASK | U_GC_CF_MASK | U_GC_ZL_MASK | U_GC_ZP_MASK, |
| 376 | U_GC_ND_MASK, |
| 377 | U_GC_ND_MASK, |
| 378 | (0x3FFFFFFFu) & ~(U_GC_CC_MASK | U_GC_CF_MASK | U_GC_CS_MASK | U_GC_CN_MASK | U_GC_Z_MASK), |
| 379 | mask_horizontal, |
| 380 | U_GC_LL_MASK, |
| 381 | U_GC_LL_MASK, |
| 382 | ~(U_GC_C_MASK), |
| 383 | U_GC_P_MASK, |
| 384 | char_class_type(U_GC_Z_MASK) | mask_space, |
| 385 | char_class_type(U_GC_Z_MASK) | mask_space, |
| 386 | U_GC_LU_MASK, |
| 387 | mask_unicode, |
| 388 | U_GC_LU_MASK, |
| 389 | mask_vertical, |
| 390 | char_class_type(U_GC_L_MASK | U_GC_ND_MASK | U_GC_MN_MASK) | mask_underscore, |
| 391 | char_class_type(U_GC_L_MASK | U_GC_ND_MASK | U_GC_MN_MASK) | mask_underscore, |
| 392 | char_class_type(U_GC_ND_MASK) | mask_xdigit, |
| 393 | }; |
| 394 | |
| 395 | int idx = ::boost::BOOST_REGEX_DETAIL_NS::get_default_class_id(p1, p2); |
| 396 | if(idx >= 0) |
| 397 | return masks[idx+1]; |
| 398 | char_class_type result = lookup_icu_mask(p1, p2); |
| 399 | if(result != 0) |
| 400 | return result; |
| 401 | |
| 402 | if(idx < 0) |
| 403 | { |
| 404 | string_type s(p1, p2); |
| 405 | string_type::size_type i = 0; |
| 406 | while(i < s.size()) |
| 407 | { |
| 408 | s[i] = static_cast<char>((::u_tolower)(s[i])); |
| 409 | if(::u_isspace(s[i]) || (s[i] == '-') || (s[i] == '_')) |
| 410 | s.erase(s.begin()+i, s.begin()+i+1); |
| 411 | else |
| 412 | { |
| 413 | s[i] = static_cast<char>((::u_tolower)(s[i])); |
| 414 | ++i; |
| 415 | } |
| 416 | } |
| 417 | if(s.size()) |
| 418 | idx = ::boost::BOOST_REGEX_DETAIL_NS::get_default_class_id(&*s.begin(), &*s.begin() + s.size()); |
| 419 | if(idx >= 0) |
| 420 | return masks[idx+1]; |
| 421 | if(s.size()) |
| 422 | result = lookup_icu_mask(&*s.begin(), &*s.begin() + s.size()); |
| 423 | if(result != 0) |
| 424 | return result; |
| 425 | } |
| 426 | BOOST_ASSERT(std::size_t(idx+1) < sizeof(masks) / sizeof(masks[0])); |
| 427 | return masks[idx+1]; |
| 428 | } |
| 429 | |
| 430 | icu_regex_traits::string_type icu_regex_traits::lookup_collatename(const char_type* p1, const char_type* p2) const |
| 431 | { |
| 432 | string_type result; |
| 433 | #ifdef BOOST_NO_CXX98_BINDERS |
| 434 | if(std::find_if(p1, p2, std::bind(std::greater< ::UChar32>(), std::placeholders::_1, 0x7f)) == p2) |
| 435 | #else |
| 436 | if(std::find_if(p1, p2, std::bind2nd(std::greater< ::UChar32>(), 0x7f)) == p2) |
| 437 | #endif |
| 438 | { |
| 439 | #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS |
| 440 | std::string s(p1, p2); |
| 441 | #else |
| 442 | std::string s; |
| 443 | const char_type* p3 = p1; |
| 444 | while(p3 != p2) |
| 445 | s.append(1, *p3++); |
| 446 | #endif |
| 447 | // Try Unicode name: |
| 448 | UErrorCode err = U_ZERO_ERROR; |
| 449 | UChar32 c = ::u_charFromName(U_UNICODE_CHAR_NAME, s.c_str(), &err); |
| 450 | if(U_SUCCESS(err)) |
| 451 | { |
| 452 | result.push_back(c); |
| 453 | return result; |
| 454 | } |
| 455 | // Try Unicode-extended name: |
| 456 | err = U_ZERO_ERROR; |
| 457 | c = ::u_charFromName(U_EXTENDED_CHAR_NAME, s.c_str(), &err); |
| 458 | if(U_SUCCESS(err)) |
| 459 | { |
| 460 | result.push_back(c); |
| 461 | return result; |
| 462 | } |
| 463 | // try POSIX name: |
| 464 | s = ::boost::BOOST_REGEX_DETAIL_NS::lookup_default_collate_name(s); |
| 465 | #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS |
| 466 | result.assign(s.begin(), s.end()); |
| 467 | #else |
| 468 | result.clear(); |
| 469 | std::string::const_iterator si, sj; |
| 470 | si = s.begin(); |
| 471 | sj = s.end(); |
| 472 | while(si != sj) |
| 473 | result.push_back(*si++); |
| 474 | #endif |
| 475 | } |
| 476 | if(result.empty() && (p2-p1 == 1)) |
| 477 | result.push_back(*p1); |
| 478 | return result; |
| 479 | } |
| 480 | |
| 481 | bool icu_regex_traits::isctype(char_type c, char_class_type f) const |
| 482 | { |
| 483 | // check for standard catagories first: |
| 484 | char_class_type m = char_class_type(static_cast<char_class_type>(1) << u_charType(c)); |
| 485 | if((m & f) != 0) |
| 486 | return true; |
| 487 | // now check for special cases: |
| 488 | if(((f & mask_blank) != 0) && u_isblank(c)) |
| 489 | return true; |
| 490 | if(((f & mask_space) != 0) && u_isspace(c)) |
| 491 | return true; |
| 492 | if(((f & mask_xdigit) != 0) && (u_digit(c, 16) >= 0)) |
| 493 | return true; |
| 494 | if(((f & mask_unicode) != 0) && (c >= 0x100)) |
| 495 | return true; |
| 496 | if(((f & mask_underscore) != 0) && (c == '_')) |
| 497 | return true; |
| 498 | if(((f & mask_any) != 0) && (c <= 0x10FFFF)) |
| 499 | return true; |
| 500 | if(((f & mask_ascii) != 0) && (c <= 0x7F)) |
| 501 | return true; |
| 502 | if(((f & mask_vertical) != 0) && (::boost::BOOST_REGEX_DETAIL_NS::is_separator(c) || (c == static_cast<char_type>('\v')) || (m == U_GC_ZL_MASK) || (m == U_GC_ZP_MASK))) |
| 503 | return true; |
| 504 | if(((f & mask_horizontal) != 0) && !::boost::BOOST_REGEX_DETAIL_NS::is_separator(c) && u_isspace(c) && (c != static_cast<char_type>('\v'))) |
| 505 | return true; |
| 506 | return false; |
| 507 | } |
| 508 | |
| 509 | } |
| 510 | |
| 511 | #endif // BOOST_HAS_ICU |
| 512 | |