Martin v. Löwis | 1dbb1ca | 2002-02-11 23:13:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | Copyright (c) 1998, 1999 Thai Open Source Software Center Ltd |
| 3 | See the file COPYING for copying permission. |
| 4 | */ |
| 5 | |
| 6 | #ifndef IS_INVALID_CHAR |
| 7 | #define IS_INVALID_CHAR(enc, ptr, n) (0) |
| 8 | #endif |
| 9 | |
| 10 | #define INVALID_LEAD_CASE(n, ptr, nextTokPtr) \ |
| 11 | case BT_LEAD ## n: \ |
| 12 | if (end - ptr < n) \ |
| 13 | return XML_TOK_PARTIAL_CHAR; \ |
| 14 | if (IS_INVALID_CHAR(enc, ptr, n)) { \ |
| 15 | *(nextTokPtr) = (ptr); \ |
| 16 | return XML_TOK_INVALID; \ |
| 17 | } \ |
| 18 | ptr += n; \ |
| 19 | break; |
| 20 | |
| 21 | #define INVALID_CASES(ptr, nextTokPtr) \ |
| 22 | INVALID_LEAD_CASE(2, ptr, nextTokPtr) \ |
| 23 | INVALID_LEAD_CASE(3, ptr, nextTokPtr) \ |
| 24 | INVALID_LEAD_CASE(4, ptr, nextTokPtr) \ |
| 25 | case BT_NONXML: \ |
| 26 | case BT_MALFORM: \ |
| 27 | case BT_TRAIL: \ |
| 28 | *(nextTokPtr) = (ptr); \ |
| 29 | return XML_TOK_INVALID; |
| 30 | |
| 31 | #define CHECK_NAME_CASE(n, enc, ptr, end, nextTokPtr) \ |
| 32 | case BT_LEAD ## n: \ |
| 33 | if (end - ptr < n) \ |
| 34 | return XML_TOK_PARTIAL_CHAR; \ |
| 35 | if (!IS_NAME_CHAR(enc, ptr, n)) { \ |
| 36 | *nextTokPtr = ptr; \ |
| 37 | return XML_TOK_INVALID; \ |
| 38 | } \ |
| 39 | ptr += n; \ |
| 40 | break; |
| 41 | |
| 42 | #define CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) \ |
| 43 | case BT_NONASCII: \ |
| 44 | if (!IS_NAME_CHAR_MINBPC(enc, ptr)) { \ |
| 45 | *nextTokPtr = ptr; \ |
| 46 | return XML_TOK_INVALID; \ |
| 47 | } \ |
| 48 | case BT_NMSTRT: \ |
| 49 | case BT_HEX: \ |
| 50 | case BT_DIGIT: \ |
| 51 | case BT_NAME: \ |
| 52 | case BT_MINUS: \ |
| 53 | ptr += MINBPC(enc); \ |
| 54 | break; \ |
| 55 | CHECK_NAME_CASE(2, enc, ptr, end, nextTokPtr) \ |
| 56 | CHECK_NAME_CASE(3, enc, ptr, end, nextTokPtr) \ |
| 57 | CHECK_NAME_CASE(4, enc, ptr, end, nextTokPtr) |
| 58 | |
| 59 | #define CHECK_NMSTRT_CASE(n, enc, ptr, end, nextTokPtr) \ |
| 60 | case BT_LEAD ## n: \ |
| 61 | if (end - ptr < n) \ |
| 62 | return XML_TOK_PARTIAL_CHAR; \ |
| 63 | if (!IS_NMSTRT_CHAR(enc, ptr, n)) { \ |
| 64 | *nextTokPtr = ptr; \ |
| 65 | return XML_TOK_INVALID; \ |
| 66 | } \ |
| 67 | ptr += n; \ |
| 68 | break; |
| 69 | |
| 70 | #define CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) \ |
| 71 | case BT_NONASCII: \ |
| 72 | if (!IS_NMSTRT_CHAR_MINBPC(enc, ptr)) { \ |
| 73 | *nextTokPtr = ptr; \ |
| 74 | return XML_TOK_INVALID; \ |
| 75 | } \ |
| 76 | case BT_NMSTRT: \ |
| 77 | case BT_HEX: \ |
| 78 | ptr += MINBPC(enc); \ |
| 79 | break; \ |
| 80 | CHECK_NMSTRT_CASE(2, enc, ptr, end, nextTokPtr) \ |
| 81 | CHECK_NMSTRT_CASE(3, enc, ptr, end, nextTokPtr) \ |
| 82 | CHECK_NMSTRT_CASE(4, enc, ptr, end, nextTokPtr) |
| 83 | |
| 84 | #ifndef PREFIX |
| 85 | #define PREFIX(ident) ident |
| 86 | #endif |
| 87 | |
| 88 | /* ptr points to character following "<!-" */ |
| 89 | |
| 90 | static |
| 91 | int PREFIX(scanComment)(const ENCODING *enc, const char *ptr, const char *end, |
| 92 | const char **nextTokPtr) |
| 93 | { |
| 94 | if (ptr != end) { |
| 95 | if (!CHAR_MATCHES(enc, ptr, ASCII_MINUS)) { |
| 96 | *nextTokPtr = ptr; |
| 97 | return XML_TOK_INVALID; |
| 98 | } |
| 99 | ptr += MINBPC(enc); |
| 100 | while (ptr != end) { |
| 101 | switch (BYTE_TYPE(enc, ptr)) { |
| 102 | INVALID_CASES(ptr, nextTokPtr) |
| 103 | case BT_MINUS: |
| 104 | if ((ptr += MINBPC(enc)) == end) |
| 105 | return XML_TOK_PARTIAL; |
| 106 | if (CHAR_MATCHES(enc, ptr, ASCII_MINUS)) { |
| 107 | if ((ptr += MINBPC(enc)) == end) |
| 108 | return XML_TOK_PARTIAL; |
| 109 | if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 110 | *nextTokPtr = ptr; |
| 111 | return XML_TOK_INVALID; |
| 112 | } |
| 113 | *nextTokPtr = ptr + MINBPC(enc); |
| 114 | return XML_TOK_COMMENT; |
| 115 | } |
| 116 | break; |
| 117 | default: |
| 118 | ptr += MINBPC(enc); |
| 119 | break; |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | return XML_TOK_PARTIAL; |
| 124 | } |
| 125 | |
| 126 | /* ptr points to character following "<!" */ |
| 127 | |
| 128 | static |
| 129 | int PREFIX(scanDecl)(const ENCODING *enc, const char *ptr, const char *end, |
| 130 | const char **nextTokPtr) |
| 131 | { |
| 132 | if (ptr == end) |
| 133 | return XML_TOK_PARTIAL; |
| 134 | switch (BYTE_TYPE(enc, ptr)) { |
| 135 | case BT_MINUS: |
| 136 | return PREFIX(scanComment)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 137 | case BT_LSQB: |
| 138 | *nextTokPtr = ptr + MINBPC(enc); |
| 139 | return XML_TOK_COND_SECT_OPEN; |
| 140 | case BT_NMSTRT: |
| 141 | case BT_HEX: |
| 142 | ptr += MINBPC(enc); |
| 143 | break; |
| 144 | default: |
| 145 | *nextTokPtr = ptr; |
| 146 | return XML_TOK_INVALID; |
| 147 | } |
| 148 | while (ptr != end) { |
| 149 | switch (BYTE_TYPE(enc, ptr)) { |
| 150 | case BT_PERCNT: |
| 151 | if (ptr + MINBPC(enc) == end) |
| 152 | return XML_TOK_PARTIAL; |
| 153 | /* don't allow <!ENTITY% foo "whatever"> */ |
| 154 | switch (BYTE_TYPE(enc, ptr + MINBPC(enc))) { |
| 155 | case BT_S: case BT_CR: case BT_LF: case BT_PERCNT: |
| 156 | *nextTokPtr = ptr; |
| 157 | return XML_TOK_INVALID; |
| 158 | } |
| 159 | /* fall through */ |
| 160 | case BT_S: case BT_CR: case BT_LF: |
| 161 | *nextTokPtr = ptr; |
| 162 | return XML_TOK_DECL_OPEN; |
| 163 | case BT_NMSTRT: |
| 164 | case BT_HEX: |
| 165 | ptr += MINBPC(enc); |
| 166 | break; |
| 167 | default: |
| 168 | *nextTokPtr = ptr; |
| 169 | return XML_TOK_INVALID; |
| 170 | } |
| 171 | } |
| 172 | return XML_TOK_PARTIAL; |
| 173 | } |
| 174 | |
| 175 | static |
| 176 | int PREFIX(checkPiTarget)(const ENCODING *enc, const char *ptr, const char *end, int *tokPtr) |
| 177 | { |
| 178 | int upper = 0; |
| 179 | *tokPtr = XML_TOK_PI; |
| 180 | if (end - ptr != MINBPC(enc)*3) |
| 181 | return 1; |
| 182 | switch (BYTE_TO_ASCII(enc, ptr)) { |
| 183 | case ASCII_x: |
| 184 | break; |
| 185 | case ASCII_X: |
| 186 | upper = 1; |
| 187 | break; |
| 188 | default: |
| 189 | return 1; |
| 190 | } |
| 191 | ptr += MINBPC(enc); |
| 192 | switch (BYTE_TO_ASCII(enc, ptr)) { |
| 193 | case ASCII_m: |
| 194 | break; |
| 195 | case ASCII_M: |
| 196 | upper = 1; |
| 197 | break; |
| 198 | default: |
| 199 | return 1; |
| 200 | } |
| 201 | ptr += MINBPC(enc); |
| 202 | switch (BYTE_TO_ASCII(enc, ptr)) { |
| 203 | case ASCII_l: |
| 204 | break; |
| 205 | case ASCII_L: |
| 206 | upper = 1; |
| 207 | break; |
| 208 | default: |
| 209 | return 1; |
| 210 | } |
| 211 | if (upper) |
| 212 | return 0; |
| 213 | *tokPtr = XML_TOK_XML_DECL; |
| 214 | return 1; |
| 215 | } |
| 216 | |
| 217 | /* ptr points to character following "<?" */ |
| 218 | |
| 219 | static |
| 220 | int PREFIX(scanPi)(const ENCODING *enc, const char *ptr, const char *end, |
| 221 | const char **nextTokPtr) |
| 222 | { |
| 223 | int tok; |
| 224 | const char *target = ptr; |
| 225 | if (ptr == end) |
| 226 | return XML_TOK_PARTIAL; |
| 227 | switch (BYTE_TYPE(enc, ptr)) { |
| 228 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 229 | default: |
| 230 | *nextTokPtr = ptr; |
| 231 | return XML_TOK_INVALID; |
| 232 | } |
| 233 | while (ptr != end) { |
| 234 | switch (BYTE_TYPE(enc, ptr)) { |
| 235 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 236 | case BT_S: case BT_CR: case BT_LF: |
| 237 | if (!PREFIX(checkPiTarget)(enc, target, ptr, &tok)) { |
| 238 | *nextTokPtr = ptr; |
| 239 | return XML_TOK_INVALID; |
| 240 | } |
| 241 | ptr += MINBPC(enc); |
| 242 | while (ptr != end) { |
| 243 | switch (BYTE_TYPE(enc, ptr)) { |
| 244 | INVALID_CASES(ptr, nextTokPtr) |
| 245 | case BT_QUEST: |
| 246 | ptr += MINBPC(enc); |
| 247 | if (ptr == end) |
| 248 | return XML_TOK_PARTIAL; |
| 249 | if (CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 250 | *nextTokPtr = ptr + MINBPC(enc); |
| 251 | return tok; |
| 252 | } |
| 253 | break; |
| 254 | default: |
| 255 | ptr += MINBPC(enc); |
| 256 | break; |
| 257 | } |
| 258 | } |
| 259 | return XML_TOK_PARTIAL; |
| 260 | case BT_QUEST: |
| 261 | if (!PREFIX(checkPiTarget)(enc, target, ptr, &tok)) { |
| 262 | *nextTokPtr = ptr; |
| 263 | return XML_TOK_INVALID; |
| 264 | } |
| 265 | ptr += MINBPC(enc); |
| 266 | if (ptr == end) |
| 267 | return XML_TOK_PARTIAL; |
| 268 | if (CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 269 | *nextTokPtr = ptr + MINBPC(enc); |
| 270 | return tok; |
| 271 | } |
| 272 | /* fall through */ |
| 273 | default: |
| 274 | *nextTokPtr = ptr; |
| 275 | return XML_TOK_INVALID; |
| 276 | } |
| 277 | } |
| 278 | return XML_TOK_PARTIAL; |
| 279 | } |
| 280 | |
| 281 | |
| 282 | static |
| 283 | int PREFIX(scanCdataSection)(const ENCODING *enc, const char *ptr, const char *end, |
| 284 | const char **nextTokPtr) |
| 285 | { |
| 286 | static const char CDATA_LSQB[] = { ASCII_C, ASCII_D, ASCII_A, ASCII_T, ASCII_A, ASCII_LSQB }; |
| 287 | int i; |
| 288 | /* CDATA[ */ |
| 289 | if (end - ptr < 6 * MINBPC(enc)) |
| 290 | return XML_TOK_PARTIAL; |
| 291 | for (i = 0; i < 6; i++, ptr += MINBPC(enc)) { |
| 292 | if (!CHAR_MATCHES(enc, ptr, CDATA_LSQB[i])) { |
| 293 | *nextTokPtr = ptr; |
| 294 | return XML_TOK_INVALID; |
| 295 | } |
| 296 | } |
| 297 | *nextTokPtr = ptr; |
| 298 | return XML_TOK_CDATA_SECT_OPEN; |
| 299 | } |
| 300 | |
| 301 | static |
| 302 | int PREFIX(cdataSectionTok)(const ENCODING *enc, const char *ptr, const char *end, |
| 303 | const char **nextTokPtr) |
| 304 | { |
| 305 | if (ptr == end) |
| 306 | return XML_TOK_NONE; |
| 307 | if (MINBPC(enc) > 1) { |
| 308 | size_t n = end - ptr; |
| 309 | if (n & (MINBPC(enc) - 1)) { |
| 310 | n &= ~(MINBPC(enc) - 1); |
| 311 | if (n == 0) |
| 312 | return XML_TOK_PARTIAL; |
| 313 | end = ptr + n; |
| 314 | } |
| 315 | } |
| 316 | switch (BYTE_TYPE(enc, ptr)) { |
| 317 | case BT_RSQB: |
| 318 | ptr += MINBPC(enc); |
| 319 | if (ptr == end) |
| 320 | return XML_TOK_PARTIAL; |
| 321 | if (!CHAR_MATCHES(enc, ptr, ASCII_RSQB)) |
| 322 | break; |
| 323 | ptr += MINBPC(enc); |
| 324 | if (ptr == end) |
| 325 | return XML_TOK_PARTIAL; |
| 326 | if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 327 | ptr -= MINBPC(enc); |
| 328 | break; |
| 329 | } |
| 330 | *nextTokPtr = ptr + MINBPC(enc); |
| 331 | return XML_TOK_CDATA_SECT_CLOSE; |
| 332 | case BT_CR: |
| 333 | ptr += MINBPC(enc); |
| 334 | if (ptr == end) |
| 335 | return XML_TOK_PARTIAL; |
| 336 | if (BYTE_TYPE(enc, ptr) == BT_LF) |
| 337 | ptr += MINBPC(enc); |
| 338 | *nextTokPtr = ptr; |
| 339 | return XML_TOK_DATA_NEWLINE; |
| 340 | case BT_LF: |
| 341 | *nextTokPtr = ptr + MINBPC(enc); |
| 342 | return XML_TOK_DATA_NEWLINE; |
| 343 | INVALID_CASES(ptr, nextTokPtr) |
| 344 | default: |
| 345 | ptr += MINBPC(enc); |
| 346 | break; |
| 347 | } |
| 348 | while (ptr != end) { |
| 349 | switch (BYTE_TYPE(enc, ptr)) { |
| 350 | #define LEAD_CASE(n) \ |
| 351 | case BT_LEAD ## n: \ |
| 352 | if (end - ptr < n || IS_INVALID_CHAR(enc, ptr, n)) { \ |
| 353 | *nextTokPtr = ptr; \ |
| 354 | return XML_TOK_DATA_CHARS; \ |
| 355 | } \ |
| 356 | ptr += n; \ |
| 357 | break; |
| 358 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 359 | #undef LEAD_CASE |
| 360 | case BT_NONXML: |
| 361 | case BT_MALFORM: |
| 362 | case BT_TRAIL: |
| 363 | case BT_CR: |
| 364 | case BT_LF: |
| 365 | case BT_RSQB: |
| 366 | *nextTokPtr = ptr; |
| 367 | return XML_TOK_DATA_CHARS; |
| 368 | default: |
| 369 | ptr += MINBPC(enc); |
| 370 | break; |
| 371 | } |
| 372 | } |
| 373 | *nextTokPtr = ptr; |
| 374 | return XML_TOK_DATA_CHARS; |
| 375 | } |
| 376 | |
| 377 | /* ptr points to character following "</" */ |
| 378 | |
| 379 | static |
| 380 | int PREFIX(scanEndTag)(const ENCODING *enc, const char *ptr, const char *end, |
| 381 | const char **nextTokPtr) |
| 382 | { |
| 383 | if (ptr == end) |
| 384 | return XML_TOK_PARTIAL; |
| 385 | switch (BYTE_TYPE(enc, ptr)) { |
| 386 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 387 | default: |
| 388 | *nextTokPtr = ptr; |
| 389 | return XML_TOK_INVALID; |
| 390 | } |
| 391 | while (ptr != end) { |
| 392 | switch (BYTE_TYPE(enc, ptr)) { |
| 393 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 394 | case BT_S: case BT_CR: case BT_LF: |
| 395 | for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
| 396 | switch (BYTE_TYPE(enc, ptr)) { |
| 397 | case BT_S: case BT_CR: case BT_LF: |
| 398 | break; |
| 399 | case BT_GT: |
| 400 | *nextTokPtr = ptr + MINBPC(enc); |
| 401 | return XML_TOK_END_TAG; |
| 402 | default: |
| 403 | *nextTokPtr = ptr; |
| 404 | return XML_TOK_INVALID; |
| 405 | } |
| 406 | } |
| 407 | return XML_TOK_PARTIAL; |
| 408 | #ifdef XML_NS |
| 409 | case BT_COLON: |
| 410 | /* no need to check qname syntax here, since end-tag must match exactly */ |
| 411 | ptr += MINBPC(enc); |
| 412 | break; |
| 413 | #endif |
| 414 | case BT_GT: |
| 415 | *nextTokPtr = ptr + MINBPC(enc); |
| 416 | return XML_TOK_END_TAG; |
| 417 | default: |
| 418 | *nextTokPtr = ptr; |
| 419 | return XML_TOK_INVALID; |
| 420 | } |
| 421 | } |
| 422 | return XML_TOK_PARTIAL; |
| 423 | } |
| 424 | |
| 425 | /* ptr points to character following "&#X" */ |
| 426 | |
| 427 | static |
| 428 | int PREFIX(scanHexCharRef)(const ENCODING *enc, const char *ptr, const char *end, |
| 429 | const char **nextTokPtr) |
| 430 | { |
| 431 | if (ptr != end) { |
| 432 | switch (BYTE_TYPE(enc, ptr)) { |
| 433 | case BT_DIGIT: |
| 434 | case BT_HEX: |
| 435 | break; |
| 436 | default: |
| 437 | *nextTokPtr = ptr; |
| 438 | return XML_TOK_INVALID; |
| 439 | } |
| 440 | for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
| 441 | switch (BYTE_TYPE(enc, ptr)) { |
| 442 | case BT_DIGIT: |
| 443 | case BT_HEX: |
| 444 | break; |
| 445 | case BT_SEMI: |
| 446 | *nextTokPtr = ptr + MINBPC(enc); |
| 447 | return XML_TOK_CHAR_REF; |
| 448 | default: |
| 449 | *nextTokPtr = ptr; |
| 450 | return XML_TOK_INVALID; |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | return XML_TOK_PARTIAL; |
| 455 | } |
| 456 | |
| 457 | /* ptr points to character following "&#" */ |
| 458 | |
| 459 | static |
| 460 | int PREFIX(scanCharRef)(const ENCODING *enc, const char *ptr, const char *end, |
| 461 | const char **nextTokPtr) |
| 462 | { |
| 463 | if (ptr != end) { |
| 464 | if (CHAR_MATCHES(enc, ptr, ASCII_x)) |
| 465 | return PREFIX(scanHexCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 466 | switch (BYTE_TYPE(enc, ptr)) { |
| 467 | case BT_DIGIT: |
| 468 | break; |
| 469 | default: |
| 470 | *nextTokPtr = ptr; |
| 471 | return XML_TOK_INVALID; |
| 472 | } |
| 473 | for (ptr += MINBPC(enc); ptr != end; ptr += MINBPC(enc)) { |
| 474 | switch (BYTE_TYPE(enc, ptr)) { |
| 475 | case BT_DIGIT: |
| 476 | break; |
| 477 | case BT_SEMI: |
| 478 | *nextTokPtr = ptr + MINBPC(enc); |
| 479 | return XML_TOK_CHAR_REF; |
| 480 | default: |
| 481 | *nextTokPtr = ptr; |
| 482 | return XML_TOK_INVALID; |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | return XML_TOK_PARTIAL; |
| 487 | } |
| 488 | |
| 489 | /* ptr points to character following "&" */ |
| 490 | |
| 491 | static |
| 492 | int PREFIX(scanRef)(const ENCODING *enc, const char *ptr, const char *end, |
| 493 | const char **nextTokPtr) |
| 494 | { |
| 495 | if (ptr == end) |
| 496 | return XML_TOK_PARTIAL; |
| 497 | switch (BYTE_TYPE(enc, ptr)) { |
| 498 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 499 | case BT_NUM: |
| 500 | return PREFIX(scanCharRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 501 | default: |
| 502 | *nextTokPtr = ptr; |
| 503 | return XML_TOK_INVALID; |
| 504 | } |
| 505 | while (ptr != end) { |
| 506 | switch (BYTE_TYPE(enc, ptr)) { |
| 507 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 508 | case BT_SEMI: |
| 509 | *nextTokPtr = ptr + MINBPC(enc); |
| 510 | return XML_TOK_ENTITY_REF; |
| 511 | default: |
| 512 | *nextTokPtr = ptr; |
| 513 | return XML_TOK_INVALID; |
| 514 | } |
| 515 | } |
| 516 | return XML_TOK_PARTIAL; |
| 517 | } |
| 518 | |
| 519 | /* ptr points to character following first character of attribute name */ |
| 520 | |
| 521 | static |
| 522 | int PREFIX(scanAtts)(const ENCODING *enc, const char *ptr, const char *end, |
| 523 | const char **nextTokPtr) |
| 524 | { |
| 525 | #ifdef XML_NS |
| 526 | int hadColon = 0; |
| 527 | #endif |
| 528 | while (ptr != end) { |
| 529 | switch (BYTE_TYPE(enc, ptr)) { |
| 530 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 531 | #ifdef XML_NS |
| 532 | case BT_COLON: |
| 533 | if (hadColon) { |
| 534 | *nextTokPtr = ptr; |
| 535 | return XML_TOK_INVALID; |
| 536 | } |
| 537 | hadColon = 1; |
| 538 | ptr += MINBPC(enc); |
| 539 | if (ptr == end) |
| 540 | return XML_TOK_PARTIAL; |
| 541 | switch (BYTE_TYPE(enc, ptr)) { |
| 542 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 543 | default: |
| 544 | *nextTokPtr = ptr; |
| 545 | return XML_TOK_INVALID; |
| 546 | } |
| 547 | break; |
| 548 | #endif |
| 549 | case BT_S: case BT_CR: case BT_LF: |
| 550 | for (;;) { |
| 551 | int t; |
| 552 | |
| 553 | ptr += MINBPC(enc); |
| 554 | if (ptr == end) |
| 555 | return XML_TOK_PARTIAL; |
| 556 | t = BYTE_TYPE(enc, ptr); |
| 557 | if (t == BT_EQUALS) |
| 558 | break; |
| 559 | switch (t) { |
| 560 | case BT_S: |
| 561 | case BT_LF: |
| 562 | case BT_CR: |
| 563 | break; |
| 564 | default: |
| 565 | *nextTokPtr = ptr; |
| 566 | return XML_TOK_INVALID; |
| 567 | } |
| 568 | } |
| 569 | /* fall through */ |
| 570 | case BT_EQUALS: |
| 571 | { |
| 572 | int open; |
| 573 | #ifdef XML_NS |
| 574 | hadColon = 0; |
| 575 | #endif |
| 576 | for (;;) { |
| 577 | |
| 578 | ptr += MINBPC(enc); |
| 579 | if (ptr == end) |
| 580 | return XML_TOK_PARTIAL; |
| 581 | open = BYTE_TYPE(enc, ptr); |
| 582 | if (open == BT_QUOT || open == BT_APOS) |
| 583 | break; |
| 584 | switch (open) { |
| 585 | case BT_S: |
| 586 | case BT_LF: |
| 587 | case BT_CR: |
| 588 | break; |
| 589 | default: |
| 590 | *nextTokPtr = ptr; |
| 591 | return XML_TOK_INVALID; |
| 592 | } |
| 593 | } |
| 594 | ptr += MINBPC(enc); |
| 595 | /* in attribute value */ |
| 596 | for (;;) { |
| 597 | int t; |
| 598 | if (ptr == end) |
| 599 | return XML_TOK_PARTIAL; |
| 600 | t = BYTE_TYPE(enc, ptr); |
| 601 | if (t == open) |
| 602 | break; |
| 603 | switch (t) { |
| 604 | INVALID_CASES(ptr, nextTokPtr) |
| 605 | case BT_AMP: |
| 606 | { |
| 607 | int tok = PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, &ptr); |
| 608 | if (tok <= 0) { |
| 609 | if (tok == XML_TOK_INVALID) |
| 610 | *nextTokPtr = ptr; |
| 611 | return tok; |
| 612 | } |
| 613 | break; |
| 614 | } |
| 615 | case BT_LT: |
| 616 | *nextTokPtr = ptr; |
| 617 | return XML_TOK_INVALID; |
| 618 | default: |
| 619 | ptr += MINBPC(enc); |
| 620 | break; |
| 621 | } |
| 622 | } |
| 623 | ptr += MINBPC(enc); |
| 624 | if (ptr == end) |
| 625 | return XML_TOK_PARTIAL; |
| 626 | switch (BYTE_TYPE(enc, ptr)) { |
| 627 | case BT_S: |
| 628 | case BT_CR: |
| 629 | case BT_LF: |
| 630 | break; |
| 631 | case BT_SOL: |
| 632 | goto sol; |
| 633 | case BT_GT: |
| 634 | goto gt; |
| 635 | default: |
| 636 | *nextTokPtr = ptr; |
| 637 | return XML_TOK_INVALID; |
| 638 | } |
| 639 | /* ptr points to closing quote */ |
| 640 | for (;;) { |
| 641 | ptr += MINBPC(enc); |
| 642 | if (ptr == end) |
| 643 | return XML_TOK_PARTIAL; |
| 644 | switch (BYTE_TYPE(enc, ptr)) { |
| 645 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 646 | case BT_S: case BT_CR: case BT_LF: |
| 647 | continue; |
| 648 | case BT_GT: |
| 649 | gt: |
| 650 | *nextTokPtr = ptr + MINBPC(enc); |
| 651 | return XML_TOK_START_TAG_WITH_ATTS; |
| 652 | case BT_SOL: |
| 653 | sol: |
| 654 | ptr += MINBPC(enc); |
| 655 | if (ptr == end) |
| 656 | return XML_TOK_PARTIAL; |
| 657 | if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 658 | *nextTokPtr = ptr; |
| 659 | return XML_TOK_INVALID; |
| 660 | } |
| 661 | *nextTokPtr = ptr + MINBPC(enc); |
| 662 | return XML_TOK_EMPTY_ELEMENT_WITH_ATTS; |
| 663 | default: |
| 664 | *nextTokPtr = ptr; |
| 665 | return XML_TOK_INVALID; |
| 666 | } |
| 667 | break; |
| 668 | } |
| 669 | break; |
| 670 | } |
| 671 | default: |
| 672 | *nextTokPtr = ptr; |
| 673 | return XML_TOK_INVALID; |
| 674 | } |
| 675 | } |
| 676 | return XML_TOK_PARTIAL; |
| 677 | } |
| 678 | |
| 679 | /* ptr points to character following "<" */ |
| 680 | |
| 681 | static |
| 682 | int PREFIX(scanLt)(const ENCODING *enc, const char *ptr, const char *end, |
| 683 | const char **nextTokPtr) |
| 684 | { |
| 685 | #ifdef XML_NS |
| 686 | int hadColon; |
| 687 | #endif |
| 688 | if (ptr == end) |
| 689 | return XML_TOK_PARTIAL; |
| 690 | switch (BYTE_TYPE(enc, ptr)) { |
| 691 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 692 | case BT_EXCL: |
| 693 | if ((ptr += MINBPC(enc)) == end) |
| 694 | return XML_TOK_PARTIAL; |
| 695 | switch (BYTE_TYPE(enc, ptr)) { |
| 696 | case BT_MINUS: |
| 697 | return PREFIX(scanComment)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 698 | case BT_LSQB: |
| 699 | return PREFIX(scanCdataSection)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 700 | } |
| 701 | *nextTokPtr = ptr; |
| 702 | return XML_TOK_INVALID; |
| 703 | case BT_QUEST: |
| 704 | return PREFIX(scanPi)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 705 | case BT_SOL: |
| 706 | return PREFIX(scanEndTag)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 707 | default: |
| 708 | *nextTokPtr = ptr; |
| 709 | return XML_TOK_INVALID; |
| 710 | } |
| 711 | #ifdef XML_NS |
| 712 | hadColon = 0; |
| 713 | #endif |
| 714 | /* we have a start-tag */ |
| 715 | while (ptr != end) { |
| 716 | switch (BYTE_TYPE(enc, ptr)) { |
| 717 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 718 | #ifdef XML_NS |
| 719 | case BT_COLON: |
| 720 | if (hadColon) { |
| 721 | *nextTokPtr = ptr; |
| 722 | return XML_TOK_INVALID; |
| 723 | } |
| 724 | hadColon = 1; |
| 725 | ptr += MINBPC(enc); |
| 726 | if (ptr == end) |
| 727 | return XML_TOK_PARTIAL; |
| 728 | switch (BYTE_TYPE(enc, ptr)) { |
| 729 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 730 | default: |
| 731 | *nextTokPtr = ptr; |
| 732 | return XML_TOK_INVALID; |
| 733 | } |
| 734 | break; |
| 735 | #endif |
| 736 | case BT_S: case BT_CR: case BT_LF: |
| 737 | { |
| 738 | ptr += MINBPC(enc); |
| 739 | while (ptr != end) { |
| 740 | switch (BYTE_TYPE(enc, ptr)) { |
| 741 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 742 | case BT_GT: |
| 743 | goto gt; |
| 744 | case BT_SOL: |
| 745 | goto sol; |
| 746 | case BT_S: case BT_CR: case BT_LF: |
| 747 | ptr += MINBPC(enc); |
| 748 | continue; |
| 749 | default: |
| 750 | *nextTokPtr = ptr; |
| 751 | return XML_TOK_INVALID; |
| 752 | } |
| 753 | return PREFIX(scanAtts)(enc, ptr, end, nextTokPtr); |
| 754 | } |
| 755 | return XML_TOK_PARTIAL; |
| 756 | } |
| 757 | case BT_GT: |
| 758 | gt: |
| 759 | *nextTokPtr = ptr + MINBPC(enc); |
| 760 | return XML_TOK_START_TAG_NO_ATTS; |
| 761 | case BT_SOL: |
| 762 | sol: |
| 763 | ptr += MINBPC(enc); |
| 764 | if (ptr == end) |
| 765 | return XML_TOK_PARTIAL; |
| 766 | if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 767 | *nextTokPtr = ptr; |
| 768 | return XML_TOK_INVALID; |
| 769 | } |
| 770 | *nextTokPtr = ptr + MINBPC(enc); |
| 771 | return XML_TOK_EMPTY_ELEMENT_NO_ATTS; |
| 772 | default: |
| 773 | *nextTokPtr = ptr; |
| 774 | return XML_TOK_INVALID; |
| 775 | } |
| 776 | } |
| 777 | return XML_TOK_PARTIAL; |
| 778 | } |
| 779 | |
| 780 | static |
| 781 | int PREFIX(contentTok)(const ENCODING *enc, const char *ptr, const char *end, |
| 782 | const char **nextTokPtr) |
| 783 | { |
| 784 | if (ptr == end) |
| 785 | return XML_TOK_NONE; |
| 786 | if (MINBPC(enc) > 1) { |
| 787 | size_t n = end - ptr; |
| 788 | if (n & (MINBPC(enc) - 1)) { |
| 789 | n &= ~(MINBPC(enc) - 1); |
| 790 | if (n == 0) |
| 791 | return XML_TOK_PARTIAL; |
| 792 | end = ptr + n; |
| 793 | } |
| 794 | } |
| 795 | switch (BYTE_TYPE(enc, ptr)) { |
| 796 | case BT_LT: |
| 797 | return PREFIX(scanLt)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 798 | case BT_AMP: |
| 799 | return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 800 | case BT_CR: |
| 801 | ptr += MINBPC(enc); |
| 802 | if (ptr == end) |
| 803 | return XML_TOK_TRAILING_CR; |
| 804 | if (BYTE_TYPE(enc, ptr) == BT_LF) |
| 805 | ptr += MINBPC(enc); |
| 806 | *nextTokPtr = ptr; |
| 807 | return XML_TOK_DATA_NEWLINE; |
| 808 | case BT_LF: |
| 809 | *nextTokPtr = ptr + MINBPC(enc); |
| 810 | return XML_TOK_DATA_NEWLINE; |
| 811 | case BT_RSQB: |
| 812 | ptr += MINBPC(enc); |
| 813 | if (ptr == end) |
| 814 | return XML_TOK_TRAILING_RSQB; |
| 815 | if (!CHAR_MATCHES(enc, ptr, ASCII_RSQB)) |
| 816 | break; |
| 817 | ptr += MINBPC(enc); |
| 818 | if (ptr == end) |
| 819 | return XML_TOK_TRAILING_RSQB; |
| 820 | if (!CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 821 | ptr -= MINBPC(enc); |
| 822 | break; |
| 823 | } |
| 824 | *nextTokPtr = ptr; |
| 825 | return XML_TOK_INVALID; |
| 826 | INVALID_CASES(ptr, nextTokPtr) |
| 827 | default: |
| 828 | ptr += MINBPC(enc); |
| 829 | break; |
| 830 | } |
| 831 | while (ptr != end) { |
| 832 | switch (BYTE_TYPE(enc, ptr)) { |
| 833 | #define LEAD_CASE(n) \ |
| 834 | case BT_LEAD ## n: \ |
| 835 | if (end - ptr < n || IS_INVALID_CHAR(enc, ptr, n)) { \ |
| 836 | *nextTokPtr = ptr; \ |
| 837 | return XML_TOK_DATA_CHARS; \ |
| 838 | } \ |
| 839 | ptr += n; \ |
| 840 | break; |
| 841 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 842 | #undef LEAD_CASE |
| 843 | case BT_RSQB: |
| 844 | if (ptr + MINBPC(enc) != end) { |
| 845 | if (!CHAR_MATCHES(enc, ptr + MINBPC(enc), ASCII_RSQB)) { |
| 846 | ptr += MINBPC(enc); |
| 847 | break; |
| 848 | } |
| 849 | if (ptr + 2*MINBPC(enc) != end) { |
| 850 | if (!CHAR_MATCHES(enc, ptr + 2*MINBPC(enc), ASCII_GT)) { |
| 851 | ptr += MINBPC(enc); |
| 852 | break; |
| 853 | } |
| 854 | *nextTokPtr = ptr + 2*MINBPC(enc); |
| 855 | return XML_TOK_INVALID; |
| 856 | } |
| 857 | } |
| 858 | /* fall through */ |
| 859 | case BT_AMP: |
| 860 | case BT_LT: |
| 861 | case BT_NONXML: |
| 862 | case BT_MALFORM: |
| 863 | case BT_TRAIL: |
| 864 | case BT_CR: |
| 865 | case BT_LF: |
| 866 | *nextTokPtr = ptr; |
| 867 | return XML_TOK_DATA_CHARS; |
| 868 | default: |
| 869 | ptr += MINBPC(enc); |
| 870 | break; |
| 871 | } |
| 872 | } |
| 873 | *nextTokPtr = ptr; |
| 874 | return XML_TOK_DATA_CHARS; |
| 875 | } |
| 876 | |
| 877 | /* ptr points to character following "%" */ |
| 878 | |
| 879 | static |
| 880 | int PREFIX(scanPercent)(const ENCODING *enc, const char *ptr, const char *end, |
| 881 | const char **nextTokPtr) |
| 882 | { |
| 883 | if (ptr == end) |
| 884 | return XML_TOK_PARTIAL; |
| 885 | switch (BYTE_TYPE(enc, ptr)) { |
| 886 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 887 | case BT_S: case BT_LF: case BT_CR: case BT_PERCNT: |
| 888 | *nextTokPtr = ptr; |
| 889 | return XML_TOK_PERCENT; |
| 890 | default: |
| 891 | *nextTokPtr = ptr; |
| 892 | return XML_TOK_INVALID; |
| 893 | } |
| 894 | while (ptr != end) { |
| 895 | switch (BYTE_TYPE(enc, ptr)) { |
| 896 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 897 | case BT_SEMI: |
| 898 | *nextTokPtr = ptr + MINBPC(enc); |
| 899 | return XML_TOK_PARAM_ENTITY_REF; |
| 900 | default: |
| 901 | *nextTokPtr = ptr; |
| 902 | return XML_TOK_INVALID; |
| 903 | } |
| 904 | } |
| 905 | return XML_TOK_PARTIAL; |
| 906 | } |
| 907 | |
| 908 | static |
| 909 | int PREFIX(scanPoundName)(const ENCODING *enc, const char *ptr, const char *end, |
| 910 | const char **nextTokPtr) |
| 911 | { |
| 912 | if (ptr == end) |
| 913 | return XML_TOK_PARTIAL; |
| 914 | switch (BYTE_TYPE(enc, ptr)) { |
| 915 | CHECK_NMSTRT_CASES(enc, ptr, end, nextTokPtr) |
| 916 | default: |
| 917 | *nextTokPtr = ptr; |
| 918 | return XML_TOK_INVALID; |
| 919 | } |
| 920 | while (ptr != end) { |
| 921 | switch (BYTE_TYPE(enc, ptr)) { |
| 922 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 923 | case BT_CR: case BT_LF: case BT_S: |
| 924 | case BT_RPAR: case BT_GT: case BT_PERCNT: case BT_VERBAR: |
| 925 | *nextTokPtr = ptr; |
| 926 | return XML_TOK_POUND_NAME; |
| 927 | default: |
| 928 | *nextTokPtr = ptr; |
| 929 | return XML_TOK_INVALID; |
| 930 | } |
| 931 | } |
| 932 | return -XML_TOK_POUND_NAME; |
| 933 | } |
| 934 | |
| 935 | static |
| 936 | int PREFIX(scanLit)(int open, const ENCODING *enc, |
| 937 | const char *ptr, const char *end, |
| 938 | const char **nextTokPtr) |
| 939 | { |
| 940 | while (ptr != end) { |
| 941 | int t = BYTE_TYPE(enc, ptr); |
| 942 | switch (t) { |
| 943 | INVALID_CASES(ptr, nextTokPtr) |
| 944 | case BT_QUOT: |
| 945 | case BT_APOS: |
| 946 | ptr += MINBPC(enc); |
| 947 | if (t != open) |
| 948 | break; |
| 949 | if (ptr == end) |
| 950 | return -XML_TOK_LITERAL; |
| 951 | *nextTokPtr = ptr; |
| 952 | switch (BYTE_TYPE(enc, ptr)) { |
| 953 | case BT_S: case BT_CR: case BT_LF: |
| 954 | case BT_GT: case BT_PERCNT: case BT_LSQB: |
| 955 | return XML_TOK_LITERAL; |
| 956 | default: |
| 957 | return XML_TOK_INVALID; |
| 958 | } |
| 959 | default: |
| 960 | ptr += MINBPC(enc); |
| 961 | break; |
| 962 | } |
| 963 | } |
| 964 | return XML_TOK_PARTIAL; |
| 965 | } |
| 966 | |
| 967 | static |
| 968 | int PREFIX(prologTok)(const ENCODING *enc, const char *ptr, const char *end, |
| 969 | const char **nextTokPtr) |
| 970 | { |
| 971 | int tok; |
| 972 | if (ptr == end) |
| 973 | return XML_TOK_NONE; |
| 974 | if (MINBPC(enc) > 1) { |
| 975 | size_t n = end - ptr; |
| 976 | if (n & (MINBPC(enc) - 1)) { |
| 977 | n &= ~(MINBPC(enc) - 1); |
| 978 | if (n == 0) |
| 979 | return XML_TOK_PARTIAL; |
| 980 | end = ptr + n; |
| 981 | } |
| 982 | } |
| 983 | switch (BYTE_TYPE(enc, ptr)) { |
| 984 | case BT_QUOT: |
| 985 | return PREFIX(scanLit)(BT_QUOT, enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 986 | case BT_APOS: |
| 987 | return PREFIX(scanLit)(BT_APOS, enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 988 | case BT_LT: |
| 989 | { |
| 990 | ptr += MINBPC(enc); |
| 991 | if (ptr == end) |
| 992 | return XML_TOK_PARTIAL; |
| 993 | switch (BYTE_TYPE(enc, ptr)) { |
| 994 | case BT_EXCL: |
| 995 | return PREFIX(scanDecl)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 996 | case BT_QUEST: |
| 997 | return PREFIX(scanPi)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 998 | case BT_NMSTRT: |
| 999 | case BT_HEX: |
| 1000 | case BT_NONASCII: |
| 1001 | case BT_LEAD2: |
| 1002 | case BT_LEAD3: |
| 1003 | case BT_LEAD4: |
| 1004 | *nextTokPtr = ptr - MINBPC(enc); |
| 1005 | return XML_TOK_INSTANCE_START; |
| 1006 | } |
| 1007 | *nextTokPtr = ptr; |
| 1008 | return XML_TOK_INVALID; |
| 1009 | } |
| 1010 | case BT_CR: |
| 1011 | if (ptr + MINBPC(enc) == end) |
| 1012 | return -XML_TOK_PROLOG_S; |
| 1013 | /* fall through */ |
| 1014 | case BT_S: case BT_LF: |
| 1015 | for (;;) { |
| 1016 | ptr += MINBPC(enc); |
| 1017 | if (ptr == end) |
| 1018 | break; |
| 1019 | switch (BYTE_TYPE(enc, ptr)) { |
| 1020 | case BT_S: case BT_LF: |
| 1021 | break; |
| 1022 | case BT_CR: |
| 1023 | /* don't split CR/LF pair */ |
| 1024 | if (ptr + MINBPC(enc) != end) |
| 1025 | break; |
| 1026 | /* fall through */ |
| 1027 | default: |
| 1028 | *nextTokPtr = ptr; |
| 1029 | return XML_TOK_PROLOG_S; |
| 1030 | } |
| 1031 | } |
| 1032 | *nextTokPtr = ptr; |
| 1033 | return XML_TOK_PROLOG_S; |
| 1034 | case BT_PERCNT: |
| 1035 | return PREFIX(scanPercent)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 1036 | case BT_COMMA: |
| 1037 | *nextTokPtr = ptr + MINBPC(enc); |
| 1038 | return XML_TOK_COMMA; |
| 1039 | case BT_LSQB: |
| 1040 | *nextTokPtr = ptr + MINBPC(enc); |
| 1041 | return XML_TOK_OPEN_BRACKET; |
| 1042 | case BT_RSQB: |
| 1043 | ptr += MINBPC(enc); |
| 1044 | if (ptr == end) |
| 1045 | return -XML_TOK_CLOSE_BRACKET; |
| 1046 | if (CHAR_MATCHES(enc, ptr, ASCII_RSQB)) { |
| 1047 | if (ptr + MINBPC(enc) == end) |
| 1048 | return XML_TOK_PARTIAL; |
| 1049 | if (CHAR_MATCHES(enc, ptr + MINBPC(enc), ASCII_GT)) { |
| 1050 | *nextTokPtr = ptr + 2*MINBPC(enc); |
| 1051 | return XML_TOK_COND_SECT_CLOSE; |
| 1052 | } |
| 1053 | } |
| 1054 | *nextTokPtr = ptr; |
| 1055 | return XML_TOK_CLOSE_BRACKET; |
| 1056 | case BT_LPAR: |
| 1057 | *nextTokPtr = ptr + MINBPC(enc); |
| 1058 | return XML_TOK_OPEN_PAREN; |
| 1059 | case BT_RPAR: |
| 1060 | ptr += MINBPC(enc); |
| 1061 | if (ptr == end) |
| 1062 | return -XML_TOK_CLOSE_PAREN; |
| 1063 | switch (BYTE_TYPE(enc, ptr)) { |
| 1064 | case BT_AST: |
| 1065 | *nextTokPtr = ptr + MINBPC(enc); |
| 1066 | return XML_TOK_CLOSE_PAREN_ASTERISK; |
| 1067 | case BT_QUEST: |
| 1068 | *nextTokPtr = ptr + MINBPC(enc); |
| 1069 | return XML_TOK_CLOSE_PAREN_QUESTION; |
| 1070 | case BT_PLUS: |
| 1071 | *nextTokPtr = ptr + MINBPC(enc); |
| 1072 | return XML_TOK_CLOSE_PAREN_PLUS; |
| 1073 | case BT_CR: case BT_LF: case BT_S: |
| 1074 | case BT_GT: case BT_COMMA: case BT_VERBAR: |
| 1075 | case BT_RPAR: |
| 1076 | *nextTokPtr = ptr; |
| 1077 | return XML_TOK_CLOSE_PAREN; |
| 1078 | } |
| 1079 | *nextTokPtr = ptr; |
| 1080 | return XML_TOK_INVALID; |
| 1081 | case BT_VERBAR: |
| 1082 | *nextTokPtr = ptr + MINBPC(enc); |
| 1083 | return XML_TOK_OR; |
| 1084 | case BT_GT: |
| 1085 | *nextTokPtr = ptr + MINBPC(enc); |
| 1086 | return XML_TOK_DECL_CLOSE; |
| 1087 | case BT_NUM: |
| 1088 | return PREFIX(scanPoundName)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 1089 | #define LEAD_CASE(n) \ |
| 1090 | case BT_LEAD ## n: \ |
| 1091 | if (end - ptr < n) \ |
| 1092 | return XML_TOK_PARTIAL_CHAR; \ |
| 1093 | if (IS_NMSTRT_CHAR(enc, ptr, n)) { \ |
| 1094 | ptr += n; \ |
| 1095 | tok = XML_TOK_NAME; \ |
| 1096 | break; \ |
| 1097 | } \ |
| 1098 | if (IS_NAME_CHAR(enc, ptr, n)) { \ |
| 1099 | ptr += n; \ |
| 1100 | tok = XML_TOK_NMTOKEN; \ |
| 1101 | break; \ |
| 1102 | } \ |
| 1103 | *nextTokPtr = ptr; \ |
| 1104 | return XML_TOK_INVALID; |
| 1105 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 1106 | #undef LEAD_CASE |
| 1107 | case BT_NMSTRT: |
| 1108 | case BT_HEX: |
| 1109 | tok = XML_TOK_NAME; |
| 1110 | ptr += MINBPC(enc); |
| 1111 | break; |
| 1112 | case BT_DIGIT: |
| 1113 | case BT_NAME: |
| 1114 | case BT_MINUS: |
| 1115 | #ifdef XML_NS |
| 1116 | case BT_COLON: |
| 1117 | #endif |
| 1118 | tok = XML_TOK_NMTOKEN; |
| 1119 | ptr += MINBPC(enc); |
| 1120 | break; |
| 1121 | case BT_NONASCII: |
| 1122 | if (IS_NMSTRT_CHAR_MINBPC(enc, ptr)) { |
| 1123 | ptr += MINBPC(enc); |
| 1124 | tok = XML_TOK_NAME; |
| 1125 | break; |
| 1126 | } |
| 1127 | if (IS_NAME_CHAR_MINBPC(enc, ptr)) { |
| 1128 | ptr += MINBPC(enc); |
| 1129 | tok = XML_TOK_NMTOKEN; |
| 1130 | break; |
| 1131 | } |
| 1132 | /* fall through */ |
| 1133 | default: |
| 1134 | *nextTokPtr = ptr; |
| 1135 | return XML_TOK_INVALID; |
| 1136 | } |
| 1137 | while (ptr != end) { |
| 1138 | switch (BYTE_TYPE(enc, ptr)) { |
| 1139 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 1140 | case BT_GT: case BT_RPAR: case BT_COMMA: |
| 1141 | case BT_VERBAR: case BT_LSQB: case BT_PERCNT: |
| 1142 | case BT_S: case BT_CR: case BT_LF: |
| 1143 | *nextTokPtr = ptr; |
| 1144 | return tok; |
| 1145 | #ifdef XML_NS |
| 1146 | case BT_COLON: |
| 1147 | ptr += MINBPC(enc); |
| 1148 | switch (tok) { |
| 1149 | case XML_TOK_NAME: |
| 1150 | if (ptr == end) |
| 1151 | return XML_TOK_PARTIAL; |
| 1152 | tok = XML_TOK_PREFIXED_NAME; |
| 1153 | switch (BYTE_TYPE(enc, ptr)) { |
| 1154 | CHECK_NAME_CASES(enc, ptr, end, nextTokPtr) |
| 1155 | default: |
| 1156 | tok = XML_TOK_NMTOKEN; |
| 1157 | break; |
| 1158 | } |
| 1159 | break; |
| 1160 | case XML_TOK_PREFIXED_NAME: |
| 1161 | tok = XML_TOK_NMTOKEN; |
| 1162 | break; |
| 1163 | } |
| 1164 | break; |
| 1165 | #endif |
| 1166 | case BT_PLUS: |
| 1167 | if (tok == XML_TOK_NMTOKEN) { |
| 1168 | *nextTokPtr = ptr; |
| 1169 | return XML_TOK_INVALID; |
| 1170 | } |
| 1171 | *nextTokPtr = ptr + MINBPC(enc); |
| 1172 | return XML_TOK_NAME_PLUS; |
| 1173 | case BT_AST: |
| 1174 | if (tok == XML_TOK_NMTOKEN) { |
| 1175 | *nextTokPtr = ptr; |
| 1176 | return XML_TOK_INVALID; |
| 1177 | } |
| 1178 | *nextTokPtr = ptr + MINBPC(enc); |
| 1179 | return XML_TOK_NAME_ASTERISK; |
| 1180 | case BT_QUEST: |
| 1181 | if (tok == XML_TOK_NMTOKEN) { |
| 1182 | *nextTokPtr = ptr; |
| 1183 | return XML_TOK_INVALID; |
| 1184 | } |
| 1185 | *nextTokPtr = ptr + MINBPC(enc); |
| 1186 | return XML_TOK_NAME_QUESTION; |
| 1187 | default: |
| 1188 | *nextTokPtr = ptr; |
| 1189 | return XML_TOK_INVALID; |
| 1190 | } |
| 1191 | } |
| 1192 | return -tok; |
| 1193 | } |
| 1194 | |
| 1195 | static |
| 1196 | int PREFIX(attributeValueTok)(const ENCODING *enc, const char *ptr, const char *end, |
| 1197 | const char **nextTokPtr) |
| 1198 | { |
| 1199 | const char *start; |
| 1200 | if (ptr == end) |
| 1201 | return XML_TOK_NONE; |
| 1202 | start = ptr; |
| 1203 | while (ptr != end) { |
| 1204 | switch (BYTE_TYPE(enc, ptr)) { |
| 1205 | #define LEAD_CASE(n) \ |
| 1206 | case BT_LEAD ## n: ptr += n; break; |
| 1207 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 1208 | #undef LEAD_CASE |
| 1209 | case BT_AMP: |
| 1210 | if (ptr == start) |
| 1211 | return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 1212 | *nextTokPtr = ptr; |
| 1213 | return XML_TOK_DATA_CHARS; |
| 1214 | case BT_LT: |
| 1215 | /* this is for inside entity references */ |
| 1216 | *nextTokPtr = ptr; |
| 1217 | return XML_TOK_INVALID; |
| 1218 | case BT_LF: |
| 1219 | if (ptr == start) { |
| 1220 | *nextTokPtr = ptr + MINBPC(enc); |
| 1221 | return XML_TOK_DATA_NEWLINE; |
| 1222 | } |
| 1223 | *nextTokPtr = ptr; |
| 1224 | return XML_TOK_DATA_CHARS; |
| 1225 | case BT_CR: |
| 1226 | if (ptr == start) { |
| 1227 | ptr += MINBPC(enc); |
| 1228 | if (ptr == end) |
| 1229 | return XML_TOK_TRAILING_CR; |
| 1230 | if (BYTE_TYPE(enc, ptr) == BT_LF) |
| 1231 | ptr += MINBPC(enc); |
| 1232 | *nextTokPtr = ptr; |
| 1233 | return XML_TOK_DATA_NEWLINE; |
| 1234 | } |
| 1235 | *nextTokPtr = ptr; |
| 1236 | return XML_TOK_DATA_CHARS; |
| 1237 | case BT_S: |
| 1238 | if (ptr == start) { |
| 1239 | *nextTokPtr = ptr + MINBPC(enc); |
| 1240 | return XML_TOK_ATTRIBUTE_VALUE_S; |
| 1241 | } |
| 1242 | *nextTokPtr = ptr; |
| 1243 | return XML_TOK_DATA_CHARS; |
| 1244 | default: |
| 1245 | ptr += MINBPC(enc); |
| 1246 | break; |
| 1247 | } |
| 1248 | } |
| 1249 | *nextTokPtr = ptr; |
| 1250 | return XML_TOK_DATA_CHARS; |
| 1251 | } |
| 1252 | |
| 1253 | static |
| 1254 | int PREFIX(entityValueTok)(const ENCODING *enc, const char *ptr, const char *end, |
| 1255 | const char **nextTokPtr) |
| 1256 | { |
| 1257 | const char *start; |
| 1258 | if (ptr == end) |
| 1259 | return XML_TOK_NONE; |
| 1260 | start = ptr; |
| 1261 | while (ptr != end) { |
| 1262 | switch (BYTE_TYPE(enc, ptr)) { |
| 1263 | #define LEAD_CASE(n) \ |
| 1264 | case BT_LEAD ## n: ptr += n; break; |
| 1265 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 1266 | #undef LEAD_CASE |
| 1267 | case BT_AMP: |
| 1268 | if (ptr == start) |
| 1269 | return PREFIX(scanRef)(enc, ptr + MINBPC(enc), end, nextTokPtr); |
| 1270 | *nextTokPtr = ptr; |
| 1271 | return XML_TOK_DATA_CHARS; |
| 1272 | case BT_PERCNT: |
| 1273 | if (ptr == start) { |
| 1274 | int tok = PREFIX(scanPercent)(enc, ptr + MINBPC(enc), |
| 1275 | end, nextTokPtr); |
| 1276 | return (tok == XML_TOK_PERCENT) ? XML_TOK_INVALID : tok; |
| 1277 | } |
| 1278 | *nextTokPtr = ptr; |
| 1279 | return XML_TOK_DATA_CHARS; |
| 1280 | case BT_LF: |
| 1281 | if (ptr == start) { |
| 1282 | *nextTokPtr = ptr + MINBPC(enc); |
| 1283 | return XML_TOK_DATA_NEWLINE; |
| 1284 | } |
| 1285 | *nextTokPtr = ptr; |
| 1286 | return XML_TOK_DATA_CHARS; |
| 1287 | case BT_CR: |
| 1288 | if (ptr == start) { |
| 1289 | ptr += MINBPC(enc); |
| 1290 | if (ptr == end) |
| 1291 | return XML_TOK_TRAILING_CR; |
| 1292 | if (BYTE_TYPE(enc, ptr) == BT_LF) |
| 1293 | ptr += MINBPC(enc); |
| 1294 | *nextTokPtr = ptr; |
| 1295 | return XML_TOK_DATA_NEWLINE; |
| 1296 | } |
| 1297 | *nextTokPtr = ptr; |
| 1298 | return XML_TOK_DATA_CHARS; |
| 1299 | default: |
| 1300 | ptr += MINBPC(enc); |
| 1301 | break; |
| 1302 | } |
| 1303 | } |
| 1304 | *nextTokPtr = ptr; |
| 1305 | return XML_TOK_DATA_CHARS; |
| 1306 | } |
| 1307 | |
| 1308 | #ifdef XML_DTD |
| 1309 | |
| 1310 | static |
| 1311 | int PREFIX(ignoreSectionTok)(const ENCODING *enc, const char *ptr, const char *end, |
| 1312 | const char **nextTokPtr) |
| 1313 | { |
| 1314 | int level = 0; |
| 1315 | if (MINBPC(enc) > 1) { |
| 1316 | size_t n = end - ptr; |
| 1317 | if (n & (MINBPC(enc) - 1)) { |
| 1318 | n &= ~(MINBPC(enc) - 1); |
| 1319 | end = ptr + n; |
| 1320 | } |
| 1321 | } |
| 1322 | while (ptr != end) { |
| 1323 | switch (BYTE_TYPE(enc, ptr)) { |
| 1324 | INVALID_CASES(ptr, nextTokPtr) |
| 1325 | case BT_LT: |
| 1326 | if ((ptr += MINBPC(enc)) == end) |
| 1327 | return XML_TOK_PARTIAL; |
| 1328 | if (CHAR_MATCHES(enc, ptr, ASCII_EXCL)) { |
| 1329 | if ((ptr += MINBPC(enc)) == end) |
| 1330 | return XML_TOK_PARTIAL; |
| 1331 | if (CHAR_MATCHES(enc, ptr, ASCII_LSQB)) { |
| 1332 | ++level; |
| 1333 | ptr += MINBPC(enc); |
| 1334 | } |
| 1335 | } |
| 1336 | break; |
| 1337 | case BT_RSQB: |
| 1338 | if ((ptr += MINBPC(enc)) == end) |
| 1339 | return XML_TOK_PARTIAL; |
| 1340 | if (CHAR_MATCHES(enc, ptr, ASCII_RSQB)) { |
| 1341 | if ((ptr += MINBPC(enc)) == end) |
| 1342 | return XML_TOK_PARTIAL; |
| 1343 | if (CHAR_MATCHES(enc, ptr, ASCII_GT)) { |
| 1344 | ptr += MINBPC(enc); |
| 1345 | if (level == 0) { |
| 1346 | *nextTokPtr = ptr; |
| 1347 | return XML_TOK_IGNORE_SECT; |
| 1348 | } |
| 1349 | --level; |
| 1350 | } |
| 1351 | } |
| 1352 | break; |
| 1353 | default: |
| 1354 | ptr += MINBPC(enc); |
| 1355 | break; |
| 1356 | } |
| 1357 | } |
| 1358 | return XML_TOK_PARTIAL; |
| 1359 | } |
| 1360 | |
| 1361 | #endif /* XML_DTD */ |
| 1362 | |
| 1363 | static |
| 1364 | int PREFIX(isPublicId)(const ENCODING *enc, const char *ptr, const char *end, |
| 1365 | const char **badPtr) |
| 1366 | { |
| 1367 | ptr += MINBPC(enc); |
| 1368 | end -= MINBPC(enc); |
| 1369 | for (; ptr != end; ptr += MINBPC(enc)) { |
| 1370 | switch (BYTE_TYPE(enc, ptr)) { |
| 1371 | case BT_DIGIT: |
| 1372 | case BT_HEX: |
| 1373 | case BT_MINUS: |
| 1374 | case BT_APOS: |
| 1375 | case BT_LPAR: |
| 1376 | case BT_RPAR: |
| 1377 | case BT_PLUS: |
| 1378 | case BT_COMMA: |
| 1379 | case BT_SOL: |
| 1380 | case BT_EQUALS: |
| 1381 | case BT_QUEST: |
| 1382 | case BT_CR: |
| 1383 | case BT_LF: |
| 1384 | case BT_SEMI: |
| 1385 | case BT_EXCL: |
| 1386 | case BT_AST: |
| 1387 | case BT_PERCNT: |
| 1388 | case BT_NUM: |
| 1389 | #ifdef XML_NS |
| 1390 | case BT_COLON: |
| 1391 | #endif |
| 1392 | break; |
| 1393 | case BT_S: |
| 1394 | if (CHAR_MATCHES(enc, ptr, ASCII_TAB)) { |
| 1395 | *badPtr = ptr; |
| 1396 | return 0; |
| 1397 | } |
| 1398 | break; |
| 1399 | case BT_NAME: |
| 1400 | case BT_NMSTRT: |
| 1401 | if (!(BYTE_TO_ASCII(enc, ptr) & ~0x7f)) |
| 1402 | break; |
| 1403 | default: |
| 1404 | switch (BYTE_TO_ASCII(enc, ptr)) { |
| 1405 | case 0x24: /* $ */ |
| 1406 | case 0x40: /* @ */ |
| 1407 | break; |
| 1408 | default: |
| 1409 | *badPtr = ptr; |
| 1410 | return 0; |
| 1411 | } |
| 1412 | break; |
| 1413 | } |
| 1414 | } |
| 1415 | return 1; |
| 1416 | } |
| 1417 | |
| 1418 | /* This must only be called for a well-formed start-tag or empty element tag. |
| 1419 | Returns the number of attributes. Pointers to the first attsMax attributes |
| 1420 | are stored in atts. */ |
| 1421 | |
| 1422 | static |
| 1423 | int PREFIX(getAtts)(const ENCODING *enc, const char *ptr, |
| 1424 | int attsMax, ATTRIBUTE *atts) |
| 1425 | { |
| 1426 | enum { other, inName, inValue } state = inName; |
| 1427 | int nAtts = 0; |
| 1428 | int open = 0; /* defined when state == inValue; |
| 1429 | initialization just to shut up compilers */ |
| 1430 | |
| 1431 | for (ptr += MINBPC(enc);; ptr += MINBPC(enc)) { |
| 1432 | switch (BYTE_TYPE(enc, ptr)) { |
| 1433 | #define START_NAME \ |
| 1434 | if (state == other) { \ |
| 1435 | if (nAtts < attsMax) { \ |
| 1436 | atts[nAtts].name = ptr; \ |
| 1437 | atts[nAtts].normalized = 1; \ |
| 1438 | } \ |
| 1439 | state = inName; \ |
| 1440 | } |
| 1441 | #define LEAD_CASE(n) \ |
| 1442 | case BT_LEAD ## n: START_NAME ptr += (n - MINBPC(enc)); break; |
| 1443 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 1444 | #undef LEAD_CASE |
| 1445 | case BT_NONASCII: |
| 1446 | case BT_NMSTRT: |
| 1447 | case BT_HEX: |
| 1448 | START_NAME |
| 1449 | break; |
| 1450 | #undef START_NAME |
| 1451 | case BT_QUOT: |
| 1452 | if (state != inValue) { |
| 1453 | if (nAtts < attsMax) |
| 1454 | atts[nAtts].valuePtr = ptr + MINBPC(enc); |
| 1455 | state = inValue; |
| 1456 | open = BT_QUOT; |
| 1457 | } |
| 1458 | else if (open == BT_QUOT) { |
| 1459 | state = other; |
| 1460 | if (nAtts < attsMax) |
| 1461 | atts[nAtts].valueEnd = ptr; |
| 1462 | nAtts++; |
| 1463 | } |
| 1464 | break; |
| 1465 | case BT_APOS: |
| 1466 | if (state != inValue) { |
| 1467 | if (nAtts < attsMax) |
| 1468 | atts[nAtts].valuePtr = ptr + MINBPC(enc); |
| 1469 | state = inValue; |
| 1470 | open = BT_APOS; |
| 1471 | } |
| 1472 | else if (open == BT_APOS) { |
| 1473 | state = other; |
| 1474 | if (nAtts < attsMax) |
| 1475 | atts[nAtts].valueEnd = ptr; |
| 1476 | nAtts++; |
| 1477 | } |
| 1478 | break; |
| 1479 | case BT_AMP: |
| 1480 | if (nAtts < attsMax) |
| 1481 | atts[nAtts].normalized = 0; |
| 1482 | break; |
| 1483 | case BT_S: |
| 1484 | if (state == inName) |
| 1485 | state = other; |
| 1486 | else if (state == inValue |
| 1487 | && nAtts < attsMax |
| 1488 | && atts[nAtts].normalized |
| 1489 | && (ptr == atts[nAtts].valuePtr |
| 1490 | || BYTE_TO_ASCII(enc, ptr) != ASCII_SPACE |
| 1491 | || BYTE_TO_ASCII(enc, ptr + MINBPC(enc)) == ASCII_SPACE |
| 1492 | || BYTE_TYPE(enc, ptr + MINBPC(enc)) == open)) |
| 1493 | atts[nAtts].normalized = 0; |
| 1494 | break; |
| 1495 | case BT_CR: case BT_LF: |
| 1496 | /* This case ensures that the first attribute name is counted |
| 1497 | Apart from that we could just change state on the quote. */ |
| 1498 | if (state == inName) |
| 1499 | state = other; |
| 1500 | else if (state == inValue && nAtts < attsMax) |
| 1501 | atts[nAtts].normalized = 0; |
| 1502 | break; |
| 1503 | case BT_GT: |
| 1504 | case BT_SOL: |
| 1505 | if (state != inValue) |
| 1506 | return nAtts; |
| 1507 | break; |
| 1508 | default: |
| 1509 | break; |
| 1510 | } |
| 1511 | } |
| 1512 | /* not reached */ |
| 1513 | } |
| 1514 | |
| 1515 | static |
| 1516 | int PREFIX(charRefNumber)(const ENCODING *enc, const char *ptr) |
| 1517 | { |
| 1518 | int result = 0; |
| 1519 | /* skip &# */ |
| 1520 | ptr += 2*MINBPC(enc); |
| 1521 | if (CHAR_MATCHES(enc, ptr, ASCII_x)) { |
| 1522 | for (ptr += MINBPC(enc); !CHAR_MATCHES(enc, ptr, ASCII_SEMI); ptr += MINBPC(enc)) { |
| 1523 | int c = BYTE_TO_ASCII(enc, ptr); |
| 1524 | switch (c) { |
| 1525 | case ASCII_0: case ASCII_1: case ASCII_2: case ASCII_3: case ASCII_4: |
| 1526 | case ASCII_5: case ASCII_6: case ASCII_7: case ASCII_8: case ASCII_9: |
| 1527 | result <<= 4; |
| 1528 | result |= (c - ASCII_0); |
| 1529 | break; |
| 1530 | case ASCII_A: case ASCII_B: case ASCII_C: case ASCII_D: case ASCII_E: case ASCII_F: |
| 1531 | result <<= 4; |
| 1532 | result += 10 + (c - ASCII_A); |
| 1533 | break; |
| 1534 | case ASCII_a: case ASCII_b: case ASCII_c: case ASCII_d: case ASCII_e: case ASCII_f: |
| 1535 | result <<= 4; |
| 1536 | result += 10 + (c - ASCII_a); |
| 1537 | break; |
| 1538 | } |
| 1539 | if (result >= 0x110000) |
| 1540 | return -1; |
| 1541 | } |
| 1542 | } |
| 1543 | else { |
| 1544 | for (; !CHAR_MATCHES(enc, ptr, ASCII_SEMI); ptr += MINBPC(enc)) { |
| 1545 | int c = BYTE_TO_ASCII(enc, ptr); |
| 1546 | result *= 10; |
| 1547 | result += (c - ASCII_0); |
| 1548 | if (result >= 0x110000) |
| 1549 | return -1; |
| 1550 | } |
| 1551 | } |
| 1552 | return checkCharRefNumber(result); |
| 1553 | } |
| 1554 | |
| 1555 | static |
| 1556 | int PREFIX(predefinedEntityName)(const ENCODING *enc, const char *ptr, const char *end) |
| 1557 | { |
| 1558 | switch ((end - ptr)/MINBPC(enc)) { |
| 1559 | case 2: |
| 1560 | if (CHAR_MATCHES(enc, ptr + MINBPC(enc), ASCII_t)) { |
| 1561 | switch (BYTE_TO_ASCII(enc, ptr)) { |
| 1562 | case ASCII_l: |
| 1563 | return ASCII_LT; |
| 1564 | case ASCII_g: |
| 1565 | return ASCII_GT; |
| 1566 | } |
| 1567 | } |
| 1568 | break; |
| 1569 | case 3: |
| 1570 | if (CHAR_MATCHES(enc, ptr, ASCII_a)) { |
| 1571 | ptr += MINBPC(enc); |
| 1572 | if (CHAR_MATCHES(enc, ptr, ASCII_m)) { |
| 1573 | ptr += MINBPC(enc); |
| 1574 | if (CHAR_MATCHES(enc, ptr, ASCII_p)) |
| 1575 | return ASCII_AMP; |
| 1576 | } |
| 1577 | } |
| 1578 | break; |
| 1579 | case 4: |
| 1580 | switch (BYTE_TO_ASCII(enc, ptr)) { |
| 1581 | case ASCII_q: |
| 1582 | ptr += MINBPC(enc); |
| 1583 | if (CHAR_MATCHES(enc, ptr, ASCII_u)) { |
| 1584 | ptr += MINBPC(enc); |
| 1585 | if (CHAR_MATCHES(enc, ptr, ASCII_o)) { |
| 1586 | ptr += MINBPC(enc); |
| 1587 | if (CHAR_MATCHES(enc, ptr, ASCII_t)) |
| 1588 | return ASCII_QUOT; |
| 1589 | } |
| 1590 | } |
| 1591 | break; |
| 1592 | case ASCII_a: |
| 1593 | ptr += MINBPC(enc); |
| 1594 | if (CHAR_MATCHES(enc, ptr, ASCII_p)) { |
| 1595 | ptr += MINBPC(enc); |
| 1596 | if (CHAR_MATCHES(enc, ptr, ASCII_o)) { |
| 1597 | ptr += MINBPC(enc); |
| 1598 | if (CHAR_MATCHES(enc, ptr, ASCII_s)) |
| 1599 | return ASCII_APOS; |
| 1600 | } |
| 1601 | } |
| 1602 | break; |
| 1603 | } |
| 1604 | } |
| 1605 | return 0; |
| 1606 | } |
| 1607 | |
| 1608 | static |
| 1609 | int PREFIX(sameName)(const ENCODING *enc, const char *ptr1, const char *ptr2) |
| 1610 | { |
| 1611 | for (;;) { |
| 1612 | switch (BYTE_TYPE(enc, ptr1)) { |
| 1613 | #define LEAD_CASE(n) \ |
| 1614 | case BT_LEAD ## n: \ |
| 1615 | if (*ptr1++ != *ptr2++) \ |
| 1616 | return 0; |
| 1617 | LEAD_CASE(4) LEAD_CASE(3) LEAD_CASE(2) |
| 1618 | #undef LEAD_CASE |
| 1619 | /* fall through */ |
| 1620 | if (*ptr1++ != *ptr2++) |
| 1621 | return 0; |
| 1622 | break; |
| 1623 | case BT_NONASCII: |
| 1624 | case BT_NMSTRT: |
| 1625 | #ifdef XML_NS |
| 1626 | case BT_COLON: |
| 1627 | #endif |
| 1628 | case BT_HEX: |
| 1629 | case BT_DIGIT: |
| 1630 | case BT_NAME: |
| 1631 | case BT_MINUS: |
| 1632 | if (*ptr2++ != *ptr1++) |
| 1633 | return 0; |
| 1634 | if (MINBPC(enc) > 1) { |
| 1635 | if (*ptr2++ != *ptr1++) |
| 1636 | return 0; |
| 1637 | if (MINBPC(enc) > 2) { |
| 1638 | if (*ptr2++ != *ptr1++) |
| 1639 | return 0; |
| 1640 | if (MINBPC(enc) > 3) { |
| 1641 | if (*ptr2++ != *ptr1++) |
| 1642 | return 0; |
| 1643 | } |
| 1644 | } |
| 1645 | } |
| 1646 | break; |
| 1647 | default: |
| 1648 | if (MINBPC(enc) == 1 && *ptr1 == *ptr2) |
| 1649 | return 1; |
| 1650 | switch (BYTE_TYPE(enc, ptr2)) { |
| 1651 | case BT_LEAD2: |
| 1652 | case BT_LEAD3: |
| 1653 | case BT_LEAD4: |
| 1654 | case BT_NONASCII: |
| 1655 | case BT_NMSTRT: |
| 1656 | #ifdef XML_NS |
| 1657 | case BT_COLON: |
| 1658 | #endif |
| 1659 | case BT_HEX: |
| 1660 | case BT_DIGIT: |
| 1661 | case BT_NAME: |
| 1662 | case BT_MINUS: |
| 1663 | return 0; |
| 1664 | default: |
| 1665 | return 1; |
| 1666 | } |
| 1667 | } |
| 1668 | } |
| 1669 | /* not reached */ |
| 1670 | } |
| 1671 | |
| 1672 | static |
| 1673 | int PREFIX(nameMatchesAscii)(const ENCODING *enc, const char *ptr1, |
| 1674 | const char *end1, const char *ptr2) |
| 1675 | { |
| 1676 | for (; *ptr2; ptr1 += MINBPC(enc), ptr2++) { |
| 1677 | if (ptr1 == end1) |
| 1678 | return 0; |
| 1679 | if (!CHAR_MATCHES(enc, ptr1, *ptr2)) |
| 1680 | return 0; |
| 1681 | } |
| 1682 | return ptr1 == end1; |
| 1683 | } |
| 1684 | |
| 1685 | static |
| 1686 | int PREFIX(nameLength)(const ENCODING *enc, const char *ptr) |
| 1687 | { |
| 1688 | const char *start = ptr; |
| 1689 | for (;;) { |
| 1690 | switch (BYTE_TYPE(enc, ptr)) { |
| 1691 | #define LEAD_CASE(n) \ |
| 1692 | case BT_LEAD ## n: ptr += n; break; |
| 1693 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 1694 | #undef LEAD_CASE |
| 1695 | case BT_NONASCII: |
| 1696 | case BT_NMSTRT: |
| 1697 | #ifdef XML_NS |
| 1698 | case BT_COLON: |
| 1699 | #endif |
| 1700 | case BT_HEX: |
| 1701 | case BT_DIGIT: |
| 1702 | case BT_NAME: |
| 1703 | case BT_MINUS: |
| 1704 | ptr += MINBPC(enc); |
| 1705 | break; |
| 1706 | default: |
| 1707 | return ptr - start; |
| 1708 | } |
| 1709 | } |
| 1710 | } |
| 1711 | |
| 1712 | static |
| 1713 | const char *PREFIX(skipS)(const ENCODING *enc, const char *ptr) |
| 1714 | { |
| 1715 | for (;;) { |
| 1716 | switch (BYTE_TYPE(enc, ptr)) { |
| 1717 | case BT_LF: |
| 1718 | case BT_CR: |
| 1719 | case BT_S: |
| 1720 | ptr += MINBPC(enc); |
| 1721 | break; |
| 1722 | default: |
| 1723 | return ptr; |
| 1724 | } |
| 1725 | } |
| 1726 | } |
| 1727 | |
| 1728 | static |
| 1729 | void PREFIX(updatePosition)(const ENCODING *enc, |
| 1730 | const char *ptr, |
| 1731 | const char *end, |
| 1732 | POSITION *pos) |
| 1733 | { |
| 1734 | while (ptr != end) { |
| 1735 | switch (BYTE_TYPE(enc, ptr)) { |
| 1736 | #define LEAD_CASE(n) \ |
| 1737 | case BT_LEAD ## n: \ |
| 1738 | ptr += n; \ |
| 1739 | break; |
| 1740 | LEAD_CASE(2) LEAD_CASE(3) LEAD_CASE(4) |
| 1741 | #undef LEAD_CASE |
| 1742 | case BT_LF: |
| 1743 | pos->columnNumber = (unsigned)-1; |
| 1744 | pos->lineNumber++; |
| 1745 | ptr += MINBPC(enc); |
| 1746 | break; |
| 1747 | case BT_CR: |
| 1748 | pos->lineNumber++; |
| 1749 | ptr += MINBPC(enc); |
| 1750 | if (ptr != end && BYTE_TYPE(enc, ptr) == BT_LF) |
| 1751 | ptr += MINBPC(enc); |
| 1752 | pos->columnNumber = (unsigned)-1; |
| 1753 | break; |
| 1754 | default: |
| 1755 | ptr += MINBPC(enc); |
| 1756 | break; |
| 1757 | } |
| 1758 | pos->columnNumber++; |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | #undef DO_LEAD_CASE |
| 1763 | #undef MULTIBYTE_CASES |
| 1764 | #undef INVALID_CASES |
| 1765 | #undef CHECK_NAME_CASE |
| 1766 | #undef CHECK_NAME_CASES |
| 1767 | #undef CHECK_NMSTRT_CASE |
| 1768 | #undef CHECK_NMSTRT_CASES |