Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1 | /* |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 2 | * "$Id: mxml-file.c 455 2014-01-05 03:28:03Z msweet $" |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 3 | * |
| 4 | * File loading code for Mini-XML, a small XML-like file parsing library. |
| 5 | * |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 6 | * Copyright 2003-2014 by Michael R Sweet. |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 7 | * |
| 8 | * These coded instructions, statements, and computer programs are the |
| 9 | * property of Michael R Sweet and are protected by Federal copyright |
| 10 | * law. Distribution and use rights are outlined in the file "COPYING" |
| 11 | * which should have been included with this file. If this file is |
| 12 | * missing or damaged, see the license at: |
| 13 | * |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 14 | * http://www.msweet.org/projects.php/Mini-XML |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 15 | */ |
| 16 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 17 | /*** This file modified by ARM on 25 Aug 2014 to avoid pointer overflow when checking if the write position is beyond the end of the buffer in mxmlSaveString and mxml_string_putc ***/ |
| 18 | |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 19 | /* |
| 20 | * Include necessary headers... |
| 21 | */ |
| 22 | |
| 23 | #ifndef WIN32 |
| 24 | # include <unistd.h> |
| 25 | #endif /* !WIN32 */ |
| 26 | #include "mxml-private.h" |
| 27 | |
| 28 | |
| 29 | /* |
| 30 | * Character encoding... |
| 31 | */ |
| 32 | |
| 33 | #define ENCODE_UTF8 0 /* UTF-8 */ |
| 34 | #define ENCODE_UTF16BE 1 /* UTF-16 Big-Endian */ |
| 35 | #define ENCODE_UTF16LE 2 /* UTF-16 Little-Endian */ |
| 36 | |
| 37 | |
| 38 | /* |
| 39 | * Macro to test for a bad XML character... |
| 40 | */ |
| 41 | |
| 42 | #define mxml_bad_char(ch) ((ch) < ' ' && (ch) != '\n' && (ch) != '\r' && (ch) != '\t') |
| 43 | |
| 44 | |
| 45 | /* |
| 46 | * Types and structures... |
| 47 | */ |
| 48 | |
| 49 | typedef int (*_mxml_getc_cb_t)(void *, int *); |
| 50 | typedef int (*_mxml_putc_cb_t)(int, void *); |
| 51 | |
| 52 | typedef struct _mxml_fdbuf_s /**** File descriptor buffer ****/ |
| 53 | { |
| 54 | int fd; /* File descriptor */ |
| 55 | unsigned char *current, /* Current position in buffer */ |
| 56 | *end, /* End of buffer */ |
| 57 | buffer[8192]; /* Character buffer */ |
| 58 | } _mxml_fdbuf_t; |
| 59 | |
| 60 | |
| 61 | /* |
| 62 | * Local functions... |
| 63 | */ |
| 64 | |
| 65 | static int mxml_add_char(int ch, char **ptr, char **buffer, |
| 66 | int *bufsize); |
| 67 | static int mxml_fd_getc(void *p, int *encoding); |
| 68 | static int mxml_fd_putc(int ch, void *p); |
| 69 | static int mxml_fd_read(_mxml_fdbuf_t *buf); |
| 70 | static int mxml_fd_write(_mxml_fdbuf_t *buf); |
| 71 | static int mxml_file_getc(void *p, int *encoding); |
| 72 | static int mxml_file_putc(int ch, void *p); |
| 73 | static int mxml_get_entity(mxml_node_t *parent, void *p, |
| 74 | int *encoding, |
| 75 | _mxml_getc_cb_t getc_cb); |
| 76 | static inline int mxml_isspace(int ch) |
| 77 | { |
| 78 | return (ch == ' ' || ch == '\t' || ch == '\r' || |
| 79 | ch == '\n'); |
| 80 | } |
| 81 | static mxml_node_t *mxml_load_data(mxml_node_t *top, void *p, |
| 82 | mxml_load_cb_t cb, |
| 83 | _mxml_getc_cb_t getc_cb, |
| 84 | mxml_sax_cb_t sax_cb, void *sax_data); |
| 85 | static int mxml_parse_element(mxml_node_t *node, void *p, |
| 86 | int *encoding, |
| 87 | _mxml_getc_cb_t getc_cb); |
| 88 | static int mxml_string_getc(void *p, int *encoding); |
| 89 | static int mxml_string_putc(int ch, void *p); |
| 90 | static int mxml_write_name(const char *s, void *p, |
| 91 | _mxml_putc_cb_t putc_cb); |
| 92 | static int mxml_write_node(mxml_node_t *node, void *p, |
| 93 | mxml_save_cb_t cb, int col, |
| 94 | _mxml_putc_cb_t putc_cb, |
| 95 | _mxml_global_t *global); |
| 96 | static int mxml_write_string(const char *s, void *p, |
| 97 | _mxml_putc_cb_t putc_cb); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 98 | static int mxml_write_ws(mxml_node_t *node, void *p, |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 99 | mxml_save_cb_t cb, int ws, |
| 100 | int col, _mxml_putc_cb_t putc_cb); |
| 101 | |
| 102 | |
| 103 | /* |
| 104 | * 'mxmlLoadFd()' - Load a file descriptor into an XML node tree. |
| 105 | * |
| 106 | * The nodes in the specified file are added to the specified top node. |
| 107 | * If no top node is provided, the XML file MUST be well-formed with a |
| 108 | * single parent node like <?xml> for the entire file. The callback |
| 109 | * function returns the value type that should be used for child nodes. |
| 110 | * If MXML_NO_CALLBACK is specified then all child nodes will be either |
| 111 | * MXML_ELEMENT or MXML_TEXT nodes. |
| 112 | * |
| 113 | * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK, |
| 114 | * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading |
| 115 | * child nodes of the specified type. |
| 116 | */ |
| 117 | |
| 118 | mxml_node_t * /* O - First node or NULL if the file could not be read. */ |
| 119 | mxmlLoadFd(mxml_node_t *top, /* I - Top node */ |
| 120 | int fd, /* I - File descriptor to read from */ |
| 121 | mxml_load_cb_t cb) /* I - Callback function or MXML_NO_CALLBACK */ |
| 122 | { |
| 123 | _mxml_fdbuf_t buf; /* File descriptor buffer */ |
| 124 | |
| 125 | |
| 126 | /* |
| 127 | * Initialize the file descriptor buffer... |
| 128 | */ |
| 129 | |
| 130 | buf.fd = fd; |
| 131 | buf.current = buf.buffer; |
| 132 | buf.end = buf.buffer; |
| 133 | |
| 134 | /* |
| 135 | * Read the XML data... |
| 136 | */ |
| 137 | |
| 138 | return (mxml_load_data(top, &buf, cb, mxml_fd_getc, MXML_NO_CALLBACK, NULL)); |
| 139 | } |
| 140 | |
| 141 | |
| 142 | /* |
| 143 | * 'mxmlLoadFile()' - Load a file into an XML node tree. |
| 144 | * |
| 145 | * The nodes in the specified file are added to the specified top node. |
| 146 | * If no top node is provided, the XML file MUST be well-formed with a |
| 147 | * single parent node like <?xml> for the entire file. The callback |
| 148 | * function returns the value type that should be used for child nodes. |
| 149 | * If MXML_NO_CALLBACK is specified then all child nodes will be either |
| 150 | * MXML_ELEMENT or MXML_TEXT nodes. |
| 151 | * |
| 152 | * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK, |
| 153 | * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading |
| 154 | * child nodes of the specified type. |
| 155 | */ |
| 156 | |
| 157 | mxml_node_t * /* O - First node or NULL if the file could not be read. */ |
| 158 | mxmlLoadFile(mxml_node_t *top, /* I - Top node */ |
| 159 | FILE *fp, /* I - File to read from */ |
| 160 | mxml_load_cb_t cb) /* I - Callback function or MXML_NO_CALLBACK */ |
| 161 | { |
| 162 | /* |
| 163 | * Read the XML data... |
| 164 | */ |
| 165 | |
| 166 | return (mxml_load_data(top, fp, cb, mxml_file_getc, MXML_NO_CALLBACK, NULL)); |
| 167 | } |
| 168 | |
| 169 | |
| 170 | /* |
| 171 | * 'mxmlLoadString()' - Load a string into an XML node tree. |
| 172 | * |
| 173 | * The nodes in the specified string are added to the specified top node. |
| 174 | * If no top node is provided, the XML string MUST be well-formed with a |
| 175 | * single parent node like <?xml> for the entire string. The callback |
| 176 | * function returns the value type that should be used for child nodes. |
| 177 | * If MXML_NO_CALLBACK is specified then all child nodes will be either |
| 178 | * MXML_ELEMENT or MXML_TEXT nodes. |
| 179 | * |
| 180 | * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK, |
| 181 | * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading |
| 182 | * child nodes of the specified type. |
| 183 | */ |
| 184 | |
| 185 | mxml_node_t * /* O - First node or NULL if the string has errors. */ |
| 186 | mxmlLoadString(mxml_node_t *top, /* I - Top node */ |
| 187 | const char *s, /* I - String to load */ |
| 188 | mxml_load_cb_t cb) /* I - Callback function or MXML_NO_CALLBACK */ |
| 189 | { |
| 190 | /* |
| 191 | * Read the XML data... |
| 192 | */ |
| 193 | |
| 194 | return (mxml_load_data(top, (void *)&s, cb, mxml_string_getc, MXML_NO_CALLBACK, |
| 195 | NULL)); |
| 196 | } |
| 197 | |
| 198 | |
| 199 | /* |
| 200 | * 'mxmlSaveAllocString()' - Save an XML tree to an allocated string. |
| 201 | * |
| 202 | * This function returns a pointer to a string containing the textual |
| 203 | * representation of the XML node tree. The string should be freed |
| 204 | * using the free() function when you are done with it. NULL is returned |
| 205 | * if the node would produce an empty string or if the string cannot be |
| 206 | * allocated. |
| 207 | * |
| 208 | * The callback argument specifies a function that returns a whitespace |
| 209 | * string or NULL before and after each element. If MXML_NO_CALLBACK |
| 210 | * is specified, whitespace will only be added before MXML_TEXT nodes |
| 211 | * with leading whitespace and before attribute names inside opening |
| 212 | * element tags. |
| 213 | */ |
| 214 | |
| 215 | char * /* O - Allocated string or NULL */ |
| 216 | mxmlSaveAllocString( |
| 217 | mxml_node_t *node, /* I - Node to write */ |
| 218 | mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */ |
| 219 | { |
| 220 | int bytes; /* Required bytes */ |
| 221 | char buffer[8192]; /* Temporary buffer */ |
| 222 | char *s; /* Allocated string */ |
| 223 | |
| 224 | |
| 225 | /* |
| 226 | * Write the node to the temporary buffer... |
| 227 | */ |
| 228 | |
| 229 | bytes = mxmlSaveString(node, buffer, sizeof(buffer), cb); |
| 230 | |
| 231 | if (bytes <= 0) |
| 232 | return (NULL); |
| 233 | |
| 234 | if (bytes < (int)(sizeof(buffer) - 1)) |
| 235 | { |
| 236 | /* |
| 237 | * Node fit inside the buffer, so just duplicate that string and |
| 238 | * return... |
| 239 | */ |
| 240 | |
| 241 | return (strdup(buffer)); |
| 242 | } |
| 243 | |
| 244 | /* |
| 245 | * Allocate a buffer of the required size and save the node to the |
| 246 | * new buffer... |
| 247 | */ |
| 248 | |
| 249 | if ((s = malloc(bytes + 1)) == NULL) |
| 250 | return (NULL); |
| 251 | |
| 252 | mxmlSaveString(node, s, bytes + 1, cb); |
| 253 | |
| 254 | /* |
| 255 | * Return the allocated string... |
| 256 | */ |
| 257 | |
| 258 | return (s); |
| 259 | } |
| 260 | |
| 261 | |
| 262 | /* |
| 263 | * 'mxmlSaveFd()' - Save an XML tree to a file descriptor. |
| 264 | * |
| 265 | * The callback argument specifies a function that returns a whitespace |
| 266 | * string or NULL before and after each element. If MXML_NO_CALLBACK |
| 267 | * is specified, whitespace will only be added before MXML_TEXT nodes |
| 268 | * with leading whitespace and before attribute names inside opening |
| 269 | * element tags. |
| 270 | */ |
| 271 | |
| 272 | int /* O - 0 on success, -1 on error. */ |
| 273 | mxmlSaveFd(mxml_node_t *node, /* I - Node to write */ |
| 274 | int fd, /* I - File descriptor to write to */ |
| 275 | mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */ |
| 276 | { |
| 277 | int col; /* Final column */ |
| 278 | _mxml_fdbuf_t buf; /* File descriptor buffer */ |
| 279 | _mxml_global_t *global = _mxml_global(); |
| 280 | /* Global data */ |
| 281 | |
| 282 | |
| 283 | /* |
| 284 | * Initialize the file descriptor buffer... |
| 285 | */ |
| 286 | |
| 287 | buf.fd = fd; |
| 288 | buf.current = buf.buffer; |
| 289 | buf.end = buf.buffer + sizeof(buf.buffer); |
| 290 | |
| 291 | /* |
| 292 | * Write the node... |
| 293 | */ |
| 294 | |
| 295 | if ((col = mxml_write_node(node, &buf, cb, 0, mxml_fd_putc, global)) < 0) |
| 296 | return (-1); |
| 297 | |
| 298 | if (col > 0) |
| 299 | if (mxml_fd_putc('\n', &buf) < 0) |
| 300 | return (-1); |
| 301 | |
| 302 | /* |
| 303 | * Flush and return... |
| 304 | */ |
| 305 | |
| 306 | return (mxml_fd_write(&buf)); |
| 307 | } |
| 308 | |
| 309 | |
| 310 | /* |
| 311 | * 'mxmlSaveFile()' - Save an XML tree to a file. |
| 312 | * |
| 313 | * The callback argument specifies a function that returns a whitespace |
| 314 | * string or NULL before and after each element. If MXML_NO_CALLBACK |
| 315 | * is specified, whitespace will only be added before MXML_TEXT nodes |
| 316 | * with leading whitespace and before attribute names inside opening |
| 317 | * element tags. |
| 318 | */ |
| 319 | |
| 320 | int /* O - 0 on success, -1 on error. */ |
| 321 | mxmlSaveFile(mxml_node_t *node, /* I - Node to write */ |
| 322 | FILE *fp, /* I - File to write to */ |
| 323 | mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */ |
| 324 | { |
| 325 | int col; /* Final column */ |
| 326 | _mxml_global_t *global = _mxml_global(); |
| 327 | /* Global data */ |
| 328 | |
| 329 | |
| 330 | /* |
| 331 | * Write the node... |
| 332 | */ |
| 333 | |
| 334 | if ((col = mxml_write_node(node, fp, cb, 0, mxml_file_putc, global)) < 0) |
| 335 | return (-1); |
| 336 | |
| 337 | if (col > 0) |
| 338 | if (putc('\n', fp) < 0) |
| 339 | return (-1); |
| 340 | |
| 341 | /* |
| 342 | * Return 0 (success)... |
| 343 | */ |
| 344 | |
| 345 | return (0); |
| 346 | } |
| 347 | |
| 348 | |
| 349 | /* |
| 350 | * 'mxmlSaveString()' - Save an XML node tree to a string. |
| 351 | * |
| 352 | * This function returns the total number of bytes that would be |
| 353 | * required for the string but only copies (bufsize - 1) characters |
| 354 | * into the specified buffer. |
| 355 | * |
| 356 | * The callback argument specifies a function that returns a whitespace |
| 357 | * string or NULL before and after each element. If MXML_NO_CALLBACK |
| 358 | * is specified, whitespace will only be added before MXML_TEXT nodes |
| 359 | * with leading whitespace and before attribute names inside opening |
| 360 | * element tags. |
| 361 | */ |
| 362 | |
| 363 | int /* O - Size of string */ |
| 364 | mxmlSaveString(mxml_node_t *node, /* I - Node to write */ |
| 365 | char *buffer, /* I - String buffer */ |
| 366 | int bufsize, /* I - Size of string buffer */ |
| 367 | mxml_save_cb_t cb) /* I - Whitespace callback or MXML_NO_CALLBACK */ |
| 368 | { |
| 369 | int col; /* Final column */ |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 370 | char *ptr[3]; /* Pointers for putc_cb */ |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 371 | _mxml_global_t *global = _mxml_global(); |
| 372 | /* Global data */ |
| 373 | |
| 374 | |
| 375 | /* |
| 376 | * Write the node... |
| 377 | */ |
| 378 | |
| 379 | ptr[0] = buffer; |
| 380 | ptr[1] = buffer + bufsize; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 381 | ptr[2] = 0; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 382 | |
| 383 | if ((col = mxml_write_node(node, ptr, cb, 0, mxml_string_putc, global)) < 0) |
| 384 | return (-1); |
| 385 | |
| 386 | if (col > 0) |
| 387 | mxml_string_putc('\n', ptr); |
| 388 | |
| 389 | /* |
| 390 | * Nul-terminate the buffer... |
| 391 | */ |
| 392 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 393 | if (ptr[2] != 0) |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 394 | buffer[bufsize - 1] = '\0'; |
| 395 | else |
| 396 | ptr[0][0] = '\0'; |
| 397 | |
| 398 | /* |
| 399 | * Return the number of characters... |
| 400 | */ |
| 401 | |
| 402 | return (ptr[0] - buffer); |
| 403 | } |
| 404 | |
| 405 | |
| 406 | /* |
| 407 | * 'mxmlSAXLoadFd()' - Load a file descriptor into an XML node tree |
| 408 | * using a SAX callback. |
| 409 | * |
| 410 | * The nodes in the specified file are added to the specified top node. |
| 411 | * If no top node is provided, the XML file MUST be well-formed with a |
| 412 | * single parent node like <?xml> for the entire file. The callback |
| 413 | * function returns the value type that should be used for child nodes. |
| 414 | * If MXML_NO_CALLBACK is specified then all child nodes will be either |
| 415 | * MXML_ELEMENT or MXML_TEXT nodes. |
| 416 | * |
| 417 | * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK, |
| 418 | * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading |
| 419 | * child nodes of the specified type. |
| 420 | * |
| 421 | * The SAX callback must call mxmlRetain() for any nodes that need to |
| 422 | * be kept for later use. Otherwise, nodes are deleted when the parent |
| 423 | * node is closed or after each data, comment, CDATA, or directive node. |
| 424 | * |
| 425 | * @since Mini-XML 2.3@ |
| 426 | */ |
| 427 | |
| 428 | mxml_node_t * /* O - First node or NULL if the file could not be read. */ |
| 429 | mxmlSAXLoadFd(mxml_node_t *top, /* I - Top node */ |
| 430 | int fd, /* I - File descriptor to read from */ |
| 431 | mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */ |
| 432 | mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */ |
| 433 | void *sax_data) /* I - SAX user data */ |
| 434 | { |
| 435 | _mxml_fdbuf_t buf; /* File descriptor buffer */ |
| 436 | |
| 437 | |
| 438 | /* |
| 439 | * Initialize the file descriptor buffer... |
| 440 | */ |
| 441 | |
| 442 | buf.fd = fd; |
| 443 | buf.current = buf.buffer; |
| 444 | buf.end = buf.buffer; |
| 445 | |
| 446 | /* |
| 447 | * Read the XML data... |
| 448 | */ |
| 449 | |
| 450 | return (mxml_load_data(top, &buf, cb, mxml_fd_getc, sax_cb, sax_data)); |
| 451 | } |
| 452 | |
| 453 | |
| 454 | /* |
| 455 | * 'mxmlSAXLoadFile()' - Load a file into an XML node tree |
| 456 | * using a SAX callback. |
| 457 | * |
| 458 | * The nodes in the specified file are added to the specified top node. |
| 459 | * If no top node is provided, the XML file MUST be well-formed with a |
| 460 | * single parent node like <?xml> for the entire file. The callback |
| 461 | * function returns the value type that should be used for child nodes. |
| 462 | * If MXML_NO_CALLBACK is specified then all child nodes will be either |
| 463 | * MXML_ELEMENT or MXML_TEXT nodes. |
| 464 | * |
| 465 | * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK, |
| 466 | * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading |
| 467 | * child nodes of the specified type. |
| 468 | * |
| 469 | * The SAX callback must call mxmlRetain() for any nodes that need to |
| 470 | * be kept for later use. Otherwise, nodes are deleted when the parent |
| 471 | * node is closed or after each data, comment, CDATA, or directive node. |
| 472 | * |
| 473 | * @since Mini-XML 2.3@ |
| 474 | */ |
| 475 | |
| 476 | mxml_node_t * /* O - First node or NULL if the file could not be read. */ |
| 477 | mxmlSAXLoadFile( |
| 478 | mxml_node_t *top, /* I - Top node */ |
| 479 | FILE *fp, /* I - File to read from */ |
| 480 | mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */ |
| 481 | mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */ |
| 482 | void *sax_data) /* I - SAX user data */ |
| 483 | { |
| 484 | /* |
| 485 | * Read the XML data... |
| 486 | */ |
| 487 | |
| 488 | return (mxml_load_data(top, fp, cb, mxml_file_getc, sax_cb, sax_data)); |
| 489 | } |
| 490 | |
| 491 | |
| 492 | /* |
| 493 | * 'mxmlSAXLoadString()' - Load a string into an XML node tree |
| 494 | * using a SAX callback. |
| 495 | * |
| 496 | * The nodes in the specified string are added to the specified top node. |
| 497 | * If no top node is provided, the XML string MUST be well-formed with a |
| 498 | * single parent node like <?xml> for the entire string. The callback |
| 499 | * function returns the value type that should be used for child nodes. |
| 500 | * If MXML_NO_CALLBACK is specified then all child nodes will be either |
| 501 | * MXML_ELEMENT or MXML_TEXT nodes. |
| 502 | * |
| 503 | * The constants MXML_INTEGER_CALLBACK, MXML_OPAQUE_CALLBACK, |
| 504 | * MXML_REAL_CALLBACK, and MXML_TEXT_CALLBACK are defined for loading |
| 505 | * child nodes of the specified type. |
| 506 | * |
| 507 | * The SAX callback must call mxmlRetain() for any nodes that need to |
| 508 | * be kept for later use. Otherwise, nodes are deleted when the parent |
| 509 | * node is closed or after each data, comment, CDATA, or directive node. |
| 510 | * |
| 511 | * @since Mini-XML 2.3@ |
| 512 | */ |
| 513 | |
| 514 | mxml_node_t * /* O - First node or NULL if the string has errors. */ |
| 515 | mxmlSAXLoadString( |
| 516 | mxml_node_t *top, /* I - Top node */ |
| 517 | const char *s, /* I - String to load */ |
| 518 | mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */ |
| 519 | mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */ |
| 520 | void *sax_data) /* I - SAX user data */ |
| 521 | { |
| 522 | /* |
| 523 | * Read the XML data... |
| 524 | */ |
| 525 | |
| 526 | return (mxml_load_data(top, (void *)&s, cb, mxml_string_getc, sax_cb, sax_data)); |
| 527 | } |
| 528 | |
| 529 | |
| 530 | /* |
| 531 | * 'mxmlSetCustomHandlers()' - Set the handling functions for custom data. |
| 532 | * |
| 533 | * The load function accepts a node pointer and a data string and must |
| 534 | * return 0 on success and non-zero on error. |
| 535 | * |
| 536 | * The save function accepts a node pointer and must return a malloc'd |
| 537 | * string on success and NULL on error. |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 538 | * |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 539 | */ |
| 540 | |
| 541 | void |
| 542 | mxmlSetCustomHandlers( |
| 543 | mxml_custom_load_cb_t load, /* I - Load function */ |
| 544 | mxml_custom_save_cb_t save) /* I - Save function */ |
| 545 | { |
| 546 | _mxml_global_t *global = _mxml_global(); |
| 547 | /* Global data */ |
| 548 | |
| 549 | |
| 550 | global->custom_load_cb = load; |
| 551 | global->custom_save_cb = save; |
| 552 | } |
| 553 | |
| 554 | |
| 555 | /* |
| 556 | * 'mxmlSetErrorCallback()' - Set the error message callback. |
| 557 | */ |
| 558 | |
| 559 | void |
| 560 | mxmlSetErrorCallback(mxml_error_cb_t cb)/* I - Error callback function */ |
| 561 | { |
| 562 | _mxml_global_t *global = _mxml_global(); |
| 563 | /* Global data */ |
| 564 | |
| 565 | |
| 566 | global->error_cb = cb; |
| 567 | } |
| 568 | |
| 569 | |
| 570 | /* |
| 571 | * 'mxmlSetWrapMargin()' - Set the wrap margin when saving XML data. |
| 572 | * |
| 573 | * Wrapping is disabled when "column" is 0. |
| 574 | * |
| 575 | * @since Mini-XML 2.3@ |
| 576 | */ |
| 577 | |
| 578 | void |
| 579 | mxmlSetWrapMargin(int column) /* I - Column for wrapping, 0 to disable wrapping */ |
| 580 | { |
| 581 | _mxml_global_t *global = _mxml_global(); |
| 582 | /* Global data */ |
| 583 | |
| 584 | |
| 585 | global->wrap = column; |
| 586 | } |
| 587 | |
| 588 | |
| 589 | /* |
| 590 | * 'mxml_add_char()' - Add a character to a buffer, expanding as needed. |
| 591 | */ |
| 592 | |
| 593 | static int /* O - 0 on success, -1 on error */ |
| 594 | mxml_add_char(int ch, /* I - Character to add */ |
| 595 | char **bufptr, /* IO - Current position in buffer */ |
| 596 | char **buffer, /* IO - Current buffer */ |
| 597 | int *bufsize) /* IO - Current buffer size */ |
| 598 | { |
| 599 | char *newbuffer; /* New buffer value */ |
| 600 | |
| 601 | |
| 602 | if (*bufptr >= (*buffer + *bufsize - 4)) |
| 603 | { |
| 604 | /* |
| 605 | * Increase the size of the buffer... |
| 606 | */ |
| 607 | |
| 608 | if (*bufsize < 1024) |
| 609 | (*bufsize) *= 2; |
| 610 | else |
| 611 | (*bufsize) += 1024; |
| 612 | |
| 613 | if ((newbuffer = realloc(*buffer, *bufsize)) == NULL) |
| 614 | { |
| 615 | free(*buffer); |
| 616 | |
| 617 | mxml_error("Unable to expand string buffer to %d bytes!", *bufsize); |
| 618 | |
| 619 | return (-1); |
| 620 | } |
| 621 | |
| 622 | *bufptr = newbuffer + (*bufptr - *buffer); |
| 623 | *buffer = newbuffer; |
| 624 | } |
| 625 | |
| 626 | if (ch < 0x80) |
| 627 | { |
| 628 | /* |
| 629 | * Single byte ASCII... |
| 630 | */ |
| 631 | |
| 632 | *(*bufptr)++ = ch; |
| 633 | } |
| 634 | else if (ch < 0x800) |
| 635 | { |
| 636 | /* |
| 637 | * Two-byte UTF-8... |
| 638 | */ |
| 639 | |
| 640 | *(*bufptr)++ = 0xc0 | (ch >> 6); |
| 641 | *(*bufptr)++ = 0x80 | (ch & 0x3f); |
| 642 | } |
| 643 | else if (ch < 0x10000) |
| 644 | { |
| 645 | /* |
| 646 | * Three-byte UTF-8... |
| 647 | */ |
| 648 | |
| 649 | *(*bufptr)++ = 0xe0 | (ch >> 12); |
| 650 | *(*bufptr)++ = 0x80 | ((ch >> 6) & 0x3f); |
| 651 | *(*bufptr)++ = 0x80 | (ch & 0x3f); |
| 652 | } |
| 653 | else |
| 654 | { |
| 655 | /* |
| 656 | * Four-byte UTF-8... |
| 657 | */ |
| 658 | |
| 659 | *(*bufptr)++ = 0xf0 | (ch >> 18); |
| 660 | *(*bufptr)++ = 0x80 | ((ch >> 12) & 0x3f); |
| 661 | *(*bufptr)++ = 0x80 | ((ch >> 6) & 0x3f); |
| 662 | *(*bufptr)++ = 0x80 | (ch & 0x3f); |
| 663 | } |
| 664 | |
| 665 | return (0); |
| 666 | } |
| 667 | |
| 668 | |
| 669 | /* |
| 670 | * 'mxml_fd_getc()' - Read a character from a file descriptor. |
| 671 | */ |
| 672 | |
| 673 | static int /* O - Character or EOF */ |
| 674 | mxml_fd_getc(void *p, /* I - File descriptor buffer */ |
| 675 | int *encoding) /* IO - Encoding */ |
| 676 | { |
| 677 | _mxml_fdbuf_t *buf; /* File descriptor buffer */ |
| 678 | int ch, /* Current character */ |
| 679 | temp; /* Temporary character */ |
| 680 | |
| 681 | |
| 682 | /* |
| 683 | * Grab the next character in the buffer... |
| 684 | */ |
| 685 | |
| 686 | buf = (_mxml_fdbuf_t *)p; |
| 687 | |
| 688 | if (buf->current >= buf->end) |
| 689 | if (mxml_fd_read(buf) < 0) |
| 690 | return (EOF); |
| 691 | |
| 692 | ch = *(buf->current)++; |
| 693 | |
| 694 | switch (*encoding) |
| 695 | { |
| 696 | case ENCODE_UTF8 : |
| 697 | /* |
| 698 | * Got a UTF-8 character; convert UTF-8 to Unicode and return... |
| 699 | */ |
| 700 | |
| 701 | if (!(ch & 0x80)) |
| 702 | { |
| 703 | #if DEBUG > 1 |
| 704 | printf("mxml_fd_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 705 | #endif /* DEBUG > 1 */ |
| 706 | |
| 707 | if (mxml_bad_char(ch)) |
| 708 | { |
| 709 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 710 | ch); |
| 711 | return (EOF); |
| 712 | } |
| 713 | |
| 714 | return (ch); |
| 715 | } |
| 716 | else if (ch == 0xfe) |
| 717 | { |
| 718 | /* |
| 719 | * UTF-16 big-endian BOM? |
| 720 | */ |
| 721 | |
| 722 | if (buf->current >= buf->end) |
| 723 | if (mxml_fd_read(buf) < 0) |
| 724 | return (EOF); |
| 725 | |
| 726 | ch = *(buf->current)++; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 727 | |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 728 | if (ch != 0xff) |
| 729 | return (EOF); |
| 730 | |
| 731 | *encoding = ENCODE_UTF16BE; |
| 732 | |
| 733 | return (mxml_fd_getc(p, encoding)); |
| 734 | } |
| 735 | else if (ch == 0xff) |
| 736 | { |
| 737 | /* |
| 738 | * UTF-16 little-endian BOM? |
| 739 | */ |
| 740 | |
| 741 | if (buf->current >= buf->end) |
| 742 | if (mxml_fd_read(buf) < 0) |
| 743 | return (EOF); |
| 744 | |
| 745 | ch = *(buf->current)++; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 746 | |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 747 | if (ch != 0xfe) |
| 748 | return (EOF); |
| 749 | |
| 750 | *encoding = ENCODE_UTF16LE; |
| 751 | |
| 752 | return (mxml_fd_getc(p, encoding)); |
| 753 | } |
| 754 | else if ((ch & 0xe0) == 0xc0) |
| 755 | { |
| 756 | /* |
| 757 | * Two-byte value... |
| 758 | */ |
| 759 | |
| 760 | if (buf->current >= buf->end) |
| 761 | if (mxml_fd_read(buf) < 0) |
| 762 | return (EOF); |
| 763 | |
| 764 | temp = *(buf->current)++; |
| 765 | |
| 766 | if ((temp & 0xc0) != 0x80) |
| 767 | return (EOF); |
| 768 | |
| 769 | ch = ((ch & 0x1f) << 6) | (temp & 0x3f); |
| 770 | |
| 771 | if (ch < 0x80) |
| 772 | { |
| 773 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 774 | return (EOF); |
| 775 | } |
| 776 | } |
| 777 | else if ((ch & 0xf0) == 0xe0) |
| 778 | { |
| 779 | /* |
| 780 | * Three-byte value... |
| 781 | */ |
| 782 | |
| 783 | if (buf->current >= buf->end) |
| 784 | if (mxml_fd_read(buf) < 0) |
| 785 | return (EOF); |
| 786 | |
| 787 | temp = *(buf->current)++; |
| 788 | |
| 789 | if ((temp & 0xc0) != 0x80) |
| 790 | return (EOF); |
| 791 | |
| 792 | ch = ((ch & 0x0f) << 6) | (temp & 0x3f); |
| 793 | |
| 794 | if (buf->current >= buf->end) |
| 795 | if (mxml_fd_read(buf) < 0) |
| 796 | return (EOF); |
| 797 | |
| 798 | temp = *(buf->current)++; |
| 799 | |
| 800 | if ((temp & 0xc0) != 0x80) |
| 801 | return (EOF); |
| 802 | |
| 803 | ch = (ch << 6) | (temp & 0x3f); |
| 804 | |
| 805 | if (ch < 0x800) |
| 806 | { |
| 807 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 808 | return (EOF); |
| 809 | } |
| 810 | |
| 811 | /* |
| 812 | * Ignore (strip) Byte Order Mark (BOM)... |
| 813 | */ |
| 814 | |
| 815 | if (ch == 0xfeff) |
| 816 | return (mxml_fd_getc(p, encoding)); |
| 817 | } |
| 818 | else if ((ch & 0xf8) == 0xf0) |
| 819 | { |
| 820 | /* |
| 821 | * Four-byte value... |
| 822 | */ |
| 823 | |
| 824 | if (buf->current >= buf->end) |
| 825 | if (mxml_fd_read(buf) < 0) |
| 826 | return (EOF); |
| 827 | |
| 828 | temp = *(buf->current)++; |
| 829 | |
| 830 | if ((temp & 0xc0) != 0x80) |
| 831 | return (EOF); |
| 832 | |
| 833 | ch = ((ch & 0x07) << 6) | (temp & 0x3f); |
| 834 | |
| 835 | if (buf->current >= buf->end) |
| 836 | if (mxml_fd_read(buf) < 0) |
| 837 | return (EOF); |
| 838 | |
| 839 | temp = *(buf->current)++; |
| 840 | |
| 841 | if ((temp & 0xc0) != 0x80) |
| 842 | return (EOF); |
| 843 | |
| 844 | ch = (ch << 6) | (temp & 0x3f); |
| 845 | |
| 846 | if (buf->current >= buf->end) |
| 847 | if (mxml_fd_read(buf) < 0) |
| 848 | return (EOF); |
| 849 | |
| 850 | temp = *(buf->current)++; |
| 851 | |
| 852 | if ((temp & 0xc0) != 0x80) |
| 853 | return (EOF); |
| 854 | |
| 855 | ch = (ch << 6) | (temp & 0x3f); |
| 856 | |
| 857 | if (ch < 0x10000) |
| 858 | { |
| 859 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 860 | return (EOF); |
| 861 | } |
| 862 | } |
| 863 | else |
| 864 | return (EOF); |
| 865 | break; |
| 866 | |
| 867 | case ENCODE_UTF16BE : |
| 868 | /* |
| 869 | * Read UTF-16 big-endian char... |
| 870 | */ |
| 871 | |
| 872 | if (buf->current >= buf->end) |
| 873 | if (mxml_fd_read(buf) < 0) |
| 874 | return (EOF); |
| 875 | |
| 876 | temp = *(buf->current)++; |
| 877 | |
| 878 | ch = (ch << 8) | temp; |
| 879 | |
| 880 | if (mxml_bad_char(ch)) |
| 881 | { |
| 882 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 883 | ch); |
| 884 | return (EOF); |
| 885 | } |
| 886 | else if (ch >= 0xd800 && ch <= 0xdbff) |
| 887 | { |
| 888 | /* |
| 889 | * Multi-word UTF-16 char... |
| 890 | */ |
| 891 | |
| 892 | int lch; |
| 893 | |
| 894 | if (buf->current >= buf->end) |
| 895 | if (mxml_fd_read(buf) < 0) |
| 896 | return (EOF); |
| 897 | |
| 898 | lch = *(buf->current)++; |
| 899 | |
| 900 | if (buf->current >= buf->end) |
| 901 | if (mxml_fd_read(buf) < 0) |
| 902 | return (EOF); |
| 903 | |
| 904 | temp = *(buf->current)++; |
| 905 | |
| 906 | lch = (lch << 8) | temp; |
| 907 | |
| 908 | if (lch < 0xdc00 || lch >= 0xdfff) |
| 909 | return (EOF); |
| 910 | |
| 911 | ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 912 | } |
| 913 | break; |
| 914 | |
| 915 | case ENCODE_UTF16LE : |
| 916 | /* |
| 917 | * Read UTF-16 little-endian char... |
| 918 | */ |
| 919 | |
| 920 | if (buf->current >= buf->end) |
| 921 | if (mxml_fd_read(buf) < 0) |
| 922 | return (EOF); |
| 923 | |
| 924 | temp = *(buf->current)++; |
| 925 | |
| 926 | ch |= (temp << 8); |
| 927 | |
| 928 | if (mxml_bad_char(ch)) |
| 929 | { |
| 930 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 931 | ch); |
| 932 | return (EOF); |
| 933 | } |
| 934 | else if (ch >= 0xd800 && ch <= 0xdbff) |
| 935 | { |
| 936 | /* |
| 937 | * Multi-word UTF-16 char... |
| 938 | */ |
| 939 | |
| 940 | int lch; |
| 941 | |
| 942 | if (buf->current >= buf->end) |
| 943 | if (mxml_fd_read(buf) < 0) |
| 944 | return (EOF); |
| 945 | |
| 946 | lch = *(buf->current)++; |
| 947 | |
| 948 | if (buf->current >= buf->end) |
| 949 | if (mxml_fd_read(buf) < 0) |
| 950 | return (EOF); |
| 951 | |
| 952 | temp = *(buf->current)++; |
| 953 | |
| 954 | lch |= (temp << 8); |
| 955 | |
| 956 | if (lch < 0xdc00 || lch >= 0xdfff) |
| 957 | return (EOF); |
| 958 | |
| 959 | ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 960 | } |
| 961 | break; |
| 962 | } |
| 963 | |
| 964 | #if DEBUG > 1 |
| 965 | printf("mxml_fd_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 966 | #endif /* DEBUG > 1 */ |
| 967 | |
| 968 | return (ch); |
| 969 | } |
| 970 | |
| 971 | |
| 972 | /* |
| 973 | * 'mxml_fd_putc()' - Write a character to a file descriptor. |
| 974 | */ |
| 975 | |
| 976 | static int /* O - 0 on success, -1 on error */ |
| 977 | mxml_fd_putc(int ch, /* I - Character */ |
| 978 | void *p) /* I - File descriptor buffer */ |
| 979 | { |
| 980 | _mxml_fdbuf_t *buf; /* File descriptor buffer */ |
| 981 | |
| 982 | |
| 983 | /* |
| 984 | * Flush the write buffer as needed... |
| 985 | */ |
| 986 | |
| 987 | buf = (_mxml_fdbuf_t *)p; |
| 988 | |
| 989 | if (buf->current >= buf->end) |
| 990 | if (mxml_fd_write(buf) < 0) |
| 991 | return (-1); |
| 992 | |
| 993 | *(buf->current)++ = ch; |
| 994 | |
| 995 | /* |
| 996 | * Return successfully... |
| 997 | */ |
| 998 | |
| 999 | return (0); |
| 1000 | } |
| 1001 | |
| 1002 | |
| 1003 | /* |
| 1004 | * 'mxml_fd_read()' - Read a buffer of data from a file descriptor. |
| 1005 | */ |
| 1006 | |
| 1007 | static int /* O - 0 on success, -1 on error */ |
| 1008 | mxml_fd_read(_mxml_fdbuf_t *buf) /* I - File descriptor buffer */ |
| 1009 | { |
| 1010 | int bytes; /* Bytes read... */ |
| 1011 | |
| 1012 | |
| 1013 | /* |
| 1014 | * Range check input... |
| 1015 | */ |
| 1016 | |
| 1017 | if (!buf) |
| 1018 | return (-1); |
| 1019 | |
| 1020 | /* |
| 1021 | * Read from the file descriptor... |
| 1022 | */ |
| 1023 | |
| 1024 | while ((bytes = read(buf->fd, buf->buffer, sizeof(buf->buffer))) < 0) |
| 1025 | #ifdef EINTR |
| 1026 | if (errno != EAGAIN && errno != EINTR) |
| 1027 | #else |
| 1028 | if (errno != EAGAIN) |
| 1029 | #endif /* EINTR */ |
| 1030 | return (-1); |
| 1031 | |
| 1032 | if (bytes == 0) |
| 1033 | return (-1); |
| 1034 | |
| 1035 | /* |
| 1036 | * Update the pointers and return success... |
| 1037 | */ |
| 1038 | |
| 1039 | buf->current = buf->buffer; |
| 1040 | buf->end = buf->buffer + bytes; |
| 1041 | |
| 1042 | return (0); |
| 1043 | } |
| 1044 | |
| 1045 | |
| 1046 | /* |
| 1047 | * 'mxml_fd_write()' - Write a buffer of data to a file descriptor. |
| 1048 | */ |
| 1049 | |
| 1050 | static int /* O - 0 on success, -1 on error */ |
| 1051 | mxml_fd_write(_mxml_fdbuf_t *buf) /* I - File descriptor buffer */ |
| 1052 | { |
| 1053 | int bytes; /* Bytes written */ |
| 1054 | unsigned char *ptr; /* Pointer into buffer */ |
| 1055 | |
| 1056 | |
| 1057 | /* |
| 1058 | * Range check... |
| 1059 | */ |
| 1060 | |
| 1061 | if (!buf) |
| 1062 | return (-1); |
| 1063 | |
| 1064 | /* |
| 1065 | * Return 0 if there is nothing to write... |
| 1066 | */ |
| 1067 | |
| 1068 | if (buf->current == buf->buffer) |
| 1069 | return (0); |
| 1070 | |
| 1071 | /* |
| 1072 | * Loop until we have written everything... |
| 1073 | */ |
| 1074 | |
| 1075 | for (ptr = buf->buffer; ptr < buf->current; ptr += bytes) |
| 1076 | if ((bytes = write(buf->fd, ptr, buf->current - ptr)) < 0) |
| 1077 | return (-1); |
| 1078 | |
| 1079 | /* |
| 1080 | * All done, reset pointers and return success... |
| 1081 | */ |
| 1082 | |
| 1083 | buf->current = buf->buffer; |
| 1084 | |
| 1085 | return (0); |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | /* |
| 1090 | * 'mxml_file_getc()' - Get a character from a file. |
| 1091 | */ |
| 1092 | |
| 1093 | static int /* O - Character or EOF */ |
| 1094 | mxml_file_getc(void *p, /* I - Pointer to file */ |
| 1095 | int *encoding) /* IO - Encoding */ |
| 1096 | { |
| 1097 | int ch, /* Character from file */ |
| 1098 | temp; /* Temporary character */ |
| 1099 | FILE *fp; /* Pointer to file */ |
| 1100 | |
| 1101 | |
| 1102 | /* |
| 1103 | * Read a character from the file and see if it is EOF or ASCII... |
| 1104 | */ |
| 1105 | |
| 1106 | fp = (FILE *)p; |
| 1107 | ch = getc(fp); |
| 1108 | |
| 1109 | if (ch == EOF) |
| 1110 | return (EOF); |
| 1111 | |
| 1112 | switch (*encoding) |
| 1113 | { |
| 1114 | case ENCODE_UTF8 : |
| 1115 | /* |
| 1116 | * Got a UTF-8 character; convert UTF-8 to Unicode and return... |
| 1117 | */ |
| 1118 | |
| 1119 | if (!(ch & 0x80)) |
| 1120 | { |
| 1121 | if (mxml_bad_char(ch)) |
| 1122 | { |
| 1123 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 1124 | ch); |
| 1125 | return (EOF); |
| 1126 | } |
| 1127 | |
| 1128 | #if DEBUG > 1 |
| 1129 | printf("mxml_file_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 1130 | #endif /* DEBUG > 1 */ |
| 1131 | |
| 1132 | return (ch); |
| 1133 | } |
| 1134 | else if (ch == 0xfe) |
| 1135 | { |
| 1136 | /* |
| 1137 | * UTF-16 big-endian BOM? |
| 1138 | */ |
| 1139 | |
| 1140 | ch = getc(fp); |
| 1141 | if (ch != 0xff) |
| 1142 | return (EOF); |
| 1143 | |
| 1144 | *encoding = ENCODE_UTF16BE; |
| 1145 | |
| 1146 | return (mxml_file_getc(p, encoding)); |
| 1147 | } |
| 1148 | else if (ch == 0xff) |
| 1149 | { |
| 1150 | /* |
| 1151 | * UTF-16 little-endian BOM? |
| 1152 | */ |
| 1153 | |
| 1154 | ch = getc(fp); |
| 1155 | if (ch != 0xfe) |
| 1156 | return (EOF); |
| 1157 | |
| 1158 | *encoding = ENCODE_UTF16LE; |
| 1159 | |
| 1160 | return (mxml_file_getc(p, encoding)); |
| 1161 | } |
| 1162 | else if ((ch & 0xe0) == 0xc0) |
| 1163 | { |
| 1164 | /* |
| 1165 | * Two-byte value... |
| 1166 | */ |
| 1167 | |
| 1168 | if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1169 | return (EOF); |
| 1170 | |
| 1171 | ch = ((ch & 0x1f) << 6) | (temp & 0x3f); |
| 1172 | |
| 1173 | if (ch < 0x80) |
| 1174 | { |
| 1175 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 1176 | return (EOF); |
| 1177 | } |
| 1178 | } |
| 1179 | else if ((ch & 0xf0) == 0xe0) |
| 1180 | { |
| 1181 | /* |
| 1182 | * Three-byte value... |
| 1183 | */ |
| 1184 | |
| 1185 | if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1186 | return (EOF); |
| 1187 | |
| 1188 | ch = ((ch & 0x0f) << 6) | (temp & 0x3f); |
| 1189 | |
| 1190 | if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1191 | return (EOF); |
| 1192 | |
| 1193 | ch = (ch << 6) | (temp & 0x3f); |
| 1194 | |
| 1195 | if (ch < 0x800) |
| 1196 | { |
| 1197 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 1198 | return (EOF); |
| 1199 | } |
| 1200 | |
| 1201 | /* |
| 1202 | * Ignore (strip) Byte Order Mark (BOM)... |
| 1203 | */ |
| 1204 | |
| 1205 | if (ch == 0xfeff) |
| 1206 | return (mxml_file_getc(p, encoding)); |
| 1207 | } |
| 1208 | else if ((ch & 0xf8) == 0xf0) |
| 1209 | { |
| 1210 | /* |
| 1211 | * Four-byte value... |
| 1212 | */ |
| 1213 | |
| 1214 | if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1215 | return (EOF); |
| 1216 | |
| 1217 | ch = ((ch & 0x07) << 6) | (temp & 0x3f); |
| 1218 | |
| 1219 | if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1220 | return (EOF); |
| 1221 | |
| 1222 | ch = (ch << 6) | (temp & 0x3f); |
| 1223 | |
| 1224 | if ((temp = getc(fp)) == EOF || (temp & 0xc0) != 0x80) |
| 1225 | return (EOF); |
| 1226 | |
| 1227 | ch = (ch << 6) | (temp & 0x3f); |
| 1228 | |
| 1229 | if (ch < 0x10000) |
| 1230 | { |
| 1231 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 1232 | return (EOF); |
| 1233 | } |
| 1234 | } |
| 1235 | else |
| 1236 | return (EOF); |
| 1237 | break; |
| 1238 | |
| 1239 | case ENCODE_UTF16BE : |
| 1240 | /* |
| 1241 | * Read UTF-16 big-endian char... |
| 1242 | */ |
| 1243 | |
| 1244 | ch = (ch << 8) | getc(fp); |
| 1245 | |
| 1246 | if (mxml_bad_char(ch)) |
| 1247 | { |
| 1248 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 1249 | ch); |
| 1250 | return (EOF); |
| 1251 | } |
| 1252 | else if (ch >= 0xd800 && ch <= 0xdbff) |
| 1253 | { |
| 1254 | /* |
| 1255 | * Multi-word UTF-16 char... |
| 1256 | */ |
| 1257 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1258 | int lch = getc(fp); |
| 1259 | lch = (lch << 8) | getc(fp); |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1260 | |
| 1261 | if (lch < 0xdc00 || lch >= 0xdfff) |
| 1262 | return (EOF); |
| 1263 | |
| 1264 | ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 1265 | } |
| 1266 | break; |
| 1267 | |
| 1268 | case ENCODE_UTF16LE : |
| 1269 | /* |
| 1270 | * Read UTF-16 little-endian char... |
| 1271 | */ |
| 1272 | |
| 1273 | ch |= (getc(fp) << 8); |
| 1274 | |
| 1275 | if (mxml_bad_char(ch)) |
| 1276 | { |
| 1277 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 1278 | ch); |
| 1279 | return (EOF); |
| 1280 | } |
| 1281 | else if (ch >= 0xd800 && ch <= 0xdbff) |
| 1282 | { |
| 1283 | /* |
| 1284 | * Multi-word UTF-16 char... |
| 1285 | */ |
| 1286 | |
| 1287 | int lch = getc(fp); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1288 | lch |= (getc(fp) << 8); |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1289 | |
| 1290 | if (lch < 0xdc00 || lch >= 0xdfff) |
| 1291 | return (EOF); |
| 1292 | |
| 1293 | ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 1294 | } |
| 1295 | break; |
| 1296 | } |
| 1297 | |
| 1298 | #if DEBUG > 1 |
| 1299 | printf("mxml_file_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 1300 | #endif /* DEBUG > 1 */ |
| 1301 | |
| 1302 | return (ch); |
| 1303 | } |
| 1304 | |
| 1305 | |
| 1306 | /* |
| 1307 | * 'mxml_file_putc()' - Write a character to a file. |
| 1308 | */ |
| 1309 | |
| 1310 | static int /* O - 0 on success, -1 on failure */ |
| 1311 | mxml_file_putc(int ch, /* I - Character to write */ |
| 1312 | void *p) /* I - Pointer to file */ |
| 1313 | { |
| 1314 | return (putc(ch, (FILE *)p) == EOF ? -1 : 0); |
| 1315 | } |
| 1316 | |
| 1317 | |
| 1318 | /* |
| 1319 | * 'mxml_get_entity()' - Get the character corresponding to an entity... |
| 1320 | */ |
| 1321 | |
| 1322 | static int /* O - Character value or EOF on error */ |
| 1323 | mxml_get_entity(mxml_node_t *parent, /* I - Parent node */ |
| 1324 | void *p, /* I - Pointer to source */ |
| 1325 | int *encoding, /* IO - Character encoding */ |
| 1326 | int (*getc_cb)(void *, int *)) |
| 1327 | /* I - Get character function */ |
| 1328 | { |
| 1329 | int ch; /* Current character */ |
| 1330 | char entity[64], /* Entity string */ |
| 1331 | *entptr; /* Pointer into entity */ |
| 1332 | |
| 1333 | |
| 1334 | entptr = entity; |
| 1335 | |
| 1336 | while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 1337 | if (ch > 126 || (!isalnum(ch) && ch != '#')) |
| 1338 | break; |
| 1339 | else if (entptr < (entity + sizeof(entity) - 1)) |
| 1340 | *entptr++ = ch; |
| 1341 | else |
| 1342 | { |
| 1343 | mxml_error("Entity name too long under parent <%s>!", |
| 1344 | parent ? parent->value.element.name : "null"); |
| 1345 | break; |
| 1346 | } |
| 1347 | |
| 1348 | *entptr = '\0'; |
| 1349 | |
| 1350 | if (ch != ';') |
| 1351 | { |
| 1352 | mxml_error("Character entity \"%s\" not terminated under parent <%s>!", |
| 1353 | entity, parent ? parent->value.element.name : "null"); |
| 1354 | return (EOF); |
| 1355 | } |
| 1356 | |
| 1357 | if (entity[0] == '#') |
| 1358 | { |
| 1359 | if (entity[1] == 'x') |
| 1360 | ch = strtol(entity + 2, NULL, 16); |
| 1361 | else |
| 1362 | ch = strtol(entity + 1, NULL, 10); |
| 1363 | } |
| 1364 | else if ((ch = mxmlEntityGetValue(entity)) < 0) |
| 1365 | mxml_error("Entity name \"%s;\" not supported under parent <%s>!", |
| 1366 | entity, parent ? parent->value.element.name : "null"); |
| 1367 | |
| 1368 | if (mxml_bad_char(ch)) |
| 1369 | { |
| 1370 | mxml_error("Bad control character 0x%02x under parent <%s> not allowed by XML standard!", |
| 1371 | ch, parent ? parent->value.element.name : "null"); |
| 1372 | return (EOF); |
| 1373 | } |
| 1374 | |
| 1375 | return (ch); |
| 1376 | } |
| 1377 | |
| 1378 | |
| 1379 | /* |
| 1380 | * 'mxml_load_data()' - Load data into an XML node tree. |
| 1381 | */ |
| 1382 | |
| 1383 | static mxml_node_t * /* O - First node or NULL if the file could not be read. */ |
| 1384 | mxml_load_data( |
| 1385 | mxml_node_t *top, /* I - Top node */ |
| 1386 | void *p, /* I - Pointer to data */ |
| 1387 | mxml_load_cb_t cb, /* I - Callback function or MXML_NO_CALLBACK */ |
| 1388 | _mxml_getc_cb_t getc_cb, /* I - Read function */ |
| 1389 | mxml_sax_cb_t sax_cb, /* I - SAX callback or MXML_NO_CALLBACK */ |
| 1390 | void *sax_data) /* I - SAX user data */ |
| 1391 | { |
| 1392 | mxml_node_t *node, /* Current node */ |
| 1393 | *first, /* First node added */ |
| 1394 | *parent; /* Current parent node */ |
| 1395 | int ch, /* Character from file */ |
| 1396 | whitespace; /* Non-zero if whitespace seen */ |
| 1397 | char *buffer, /* String buffer */ |
| 1398 | *bufptr; /* Pointer into buffer */ |
| 1399 | int bufsize; /* Size of buffer */ |
| 1400 | mxml_type_t type; /* Current node type */ |
| 1401 | int encoding; /* Character encoding */ |
| 1402 | _mxml_global_t *global = _mxml_global(); |
| 1403 | /* Global data */ |
| 1404 | static const char * const types[] = /* Type strings... */ |
| 1405 | { |
| 1406 | "MXML_ELEMENT", /* XML element with attributes */ |
| 1407 | "MXML_INTEGER", /* Integer value */ |
| 1408 | "MXML_OPAQUE", /* Opaque string */ |
| 1409 | "MXML_REAL", /* Real value */ |
| 1410 | "MXML_TEXT", /* Text fragment */ |
| 1411 | "MXML_CUSTOM" /* Custom data */ |
| 1412 | }; |
| 1413 | |
| 1414 | |
| 1415 | /* |
| 1416 | * Read elements and other nodes from the file... |
| 1417 | */ |
| 1418 | |
| 1419 | if ((buffer = malloc(64)) == NULL) |
| 1420 | { |
| 1421 | mxml_error("Unable to allocate string buffer!"); |
| 1422 | return (NULL); |
| 1423 | } |
| 1424 | |
| 1425 | bufsize = 64; |
| 1426 | bufptr = buffer; |
| 1427 | parent = top; |
| 1428 | first = NULL; |
| 1429 | whitespace = 0; |
| 1430 | encoding = ENCODE_UTF8; |
| 1431 | |
| 1432 | if (cb && parent) |
| 1433 | type = (*cb)(parent); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1434 | else if (parent) |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1435 | type = MXML_TEXT; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1436 | else |
| 1437 | type = MXML_IGNORE; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1438 | |
| 1439 | while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1440 | { |
| 1441 | if ((ch == '<' || |
| 1442 | (mxml_isspace(ch) && type != MXML_OPAQUE && type != MXML_CUSTOM)) && |
| 1443 | bufptr > buffer) |
| 1444 | { |
| 1445 | /* |
| 1446 | * Add a new value node... |
| 1447 | */ |
| 1448 | |
| 1449 | *bufptr = '\0'; |
| 1450 | |
| 1451 | switch (type) |
| 1452 | { |
| 1453 | case MXML_INTEGER : |
| 1454 | node = mxmlNewInteger(parent, strtol(buffer, &bufptr, 0)); |
| 1455 | break; |
| 1456 | |
| 1457 | case MXML_OPAQUE : |
| 1458 | node = mxmlNewOpaque(parent, buffer); |
| 1459 | break; |
| 1460 | |
| 1461 | case MXML_REAL : |
| 1462 | node = mxmlNewReal(parent, strtod(buffer, &bufptr)); |
| 1463 | break; |
| 1464 | |
| 1465 | case MXML_TEXT : |
| 1466 | node = mxmlNewText(parent, whitespace, buffer); |
| 1467 | break; |
| 1468 | |
| 1469 | case MXML_CUSTOM : |
| 1470 | if (global->custom_load_cb) |
| 1471 | { |
| 1472 | /* |
| 1473 | * Use the callback to fill in the custom data... |
| 1474 | */ |
| 1475 | |
| 1476 | node = mxmlNewCustom(parent, NULL, NULL); |
| 1477 | |
| 1478 | if ((*global->custom_load_cb)(node, buffer)) |
| 1479 | { |
| 1480 | mxml_error("Bad custom value '%s' in parent <%s>!", |
| 1481 | buffer, parent ? parent->value.element.name : "null"); |
| 1482 | mxmlDelete(node); |
| 1483 | node = NULL; |
| 1484 | } |
| 1485 | break; |
| 1486 | } |
| 1487 | |
| 1488 | default : /* Ignore... */ |
| 1489 | node = NULL; |
| 1490 | break; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1491 | } |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1492 | |
| 1493 | if (*bufptr) |
| 1494 | { |
| 1495 | /* |
| 1496 | * Bad integer/real number value... |
| 1497 | */ |
| 1498 | |
| 1499 | mxml_error("Bad %s value '%s' in parent <%s>!", |
| 1500 | type == MXML_INTEGER ? "integer" : "real", buffer, |
| 1501 | parent ? parent->value.element.name : "null"); |
| 1502 | break; |
| 1503 | } |
| 1504 | |
| 1505 | bufptr = buffer; |
| 1506 | whitespace = mxml_isspace(ch) && type == MXML_TEXT; |
| 1507 | |
| 1508 | if (!node && type != MXML_IGNORE) |
| 1509 | { |
| 1510 | /* |
| 1511 | * Print error and return... |
| 1512 | */ |
| 1513 | |
| 1514 | mxml_error("Unable to add value node of type %s to parent <%s>!", |
| 1515 | types[type], parent ? parent->value.element.name : "null"); |
| 1516 | goto error; |
| 1517 | } |
| 1518 | |
| 1519 | if (sax_cb) |
| 1520 | { |
| 1521 | (*sax_cb)(node, MXML_SAX_DATA, sax_data); |
| 1522 | |
| 1523 | if (!mxmlRelease(node)) |
| 1524 | node = NULL; |
| 1525 | } |
| 1526 | |
| 1527 | if (!first && node) |
| 1528 | first = node; |
| 1529 | } |
| 1530 | else if (mxml_isspace(ch) && type == MXML_TEXT) |
| 1531 | whitespace = 1; |
| 1532 | |
| 1533 | /* |
| 1534 | * Add lone whitespace node if we have an element and existing |
| 1535 | * whitespace... |
| 1536 | */ |
| 1537 | |
| 1538 | if (ch == '<' && whitespace && type == MXML_TEXT) |
| 1539 | { |
| 1540 | if (parent) |
| 1541 | { |
| 1542 | node = mxmlNewText(parent, whitespace, ""); |
| 1543 | |
| 1544 | if (sax_cb) |
| 1545 | { |
| 1546 | (*sax_cb)(node, MXML_SAX_DATA, sax_data); |
| 1547 | |
| 1548 | if (!mxmlRelease(node)) |
| 1549 | node = NULL; |
| 1550 | } |
| 1551 | |
| 1552 | if (!first && node) |
| 1553 | first = node; |
| 1554 | } |
| 1555 | |
| 1556 | whitespace = 0; |
| 1557 | } |
| 1558 | |
| 1559 | if (ch == '<') |
| 1560 | { |
| 1561 | /* |
| 1562 | * Start of open/close tag... |
| 1563 | */ |
| 1564 | |
| 1565 | bufptr = buffer; |
| 1566 | |
| 1567 | while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1568 | if (mxml_isspace(ch) || ch == '>' || (ch == '/' && bufptr > buffer)) |
| 1569 | break; |
| 1570 | else if (ch == '<') |
| 1571 | { |
| 1572 | mxml_error("Bare < in element!"); |
| 1573 | goto error; |
| 1574 | } |
| 1575 | else if (ch == '&') |
| 1576 | { |
| 1577 | if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF) |
| 1578 | goto error; |
| 1579 | |
| 1580 | if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1581 | goto error; |
| 1582 | } |
| 1583 | else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1584 | goto error; |
| 1585 | else if (((bufptr - buffer) == 1 && buffer[0] == '?') || |
| 1586 | ((bufptr - buffer) == 3 && !strncmp(buffer, "!--", 3)) || |
| 1587 | ((bufptr - buffer) == 8 && !strncmp(buffer, "![CDATA[", 8))) |
| 1588 | break; |
| 1589 | |
| 1590 | *bufptr = '\0'; |
| 1591 | |
| 1592 | if (!strcmp(buffer, "!--")) |
| 1593 | { |
| 1594 | /* |
| 1595 | * Gather rest of comment... |
| 1596 | */ |
| 1597 | |
| 1598 | while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1599 | { |
| 1600 | if (ch == '>' && bufptr > (buffer + 4) && |
| 1601 | bufptr[-3] != '-' && bufptr[-2] == '-' && bufptr[-1] == '-') |
| 1602 | break; |
| 1603 | else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1604 | goto error; |
| 1605 | } |
| 1606 | |
| 1607 | /* |
| 1608 | * Error out if we didn't get the whole comment... |
| 1609 | */ |
| 1610 | |
| 1611 | if (ch != '>') |
| 1612 | { |
| 1613 | /* |
| 1614 | * Print error and return... |
| 1615 | */ |
| 1616 | |
| 1617 | mxml_error("Early EOF in comment node!"); |
| 1618 | goto error; |
| 1619 | } |
| 1620 | |
| 1621 | |
| 1622 | /* |
| 1623 | * Otherwise add this as an element under the current parent... |
| 1624 | */ |
| 1625 | |
| 1626 | *bufptr = '\0'; |
| 1627 | |
| 1628 | if (!parent && first) |
| 1629 | { |
| 1630 | /* |
| 1631 | * There can only be one root element! |
| 1632 | */ |
| 1633 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1634 | mxml_error("<%s> cannot be a second root node after <%s>", |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1635 | buffer, first->value.element.name); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1636 | goto error; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1637 | } |
| 1638 | |
| 1639 | if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1640 | { |
| 1641 | /* |
| 1642 | * Just print error for now... |
| 1643 | */ |
| 1644 | |
| 1645 | mxml_error("Unable to add comment node to parent <%s>!", |
| 1646 | parent ? parent->value.element.name : "null"); |
| 1647 | break; |
| 1648 | } |
| 1649 | |
| 1650 | if (sax_cb) |
| 1651 | { |
| 1652 | (*sax_cb)(node, MXML_SAX_COMMENT, sax_data); |
| 1653 | |
| 1654 | if (!mxmlRelease(node)) |
| 1655 | node = NULL; |
| 1656 | } |
| 1657 | |
| 1658 | if (node && !first) |
| 1659 | first = node; |
| 1660 | } |
| 1661 | else if (!strcmp(buffer, "![CDATA[")) |
| 1662 | { |
| 1663 | /* |
| 1664 | * Gather CDATA section... |
| 1665 | */ |
| 1666 | |
| 1667 | while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1668 | { |
| 1669 | if (ch == '>' && !strncmp(bufptr - 2, "]]", 2)) |
| 1670 | break; |
| 1671 | else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1672 | goto error; |
| 1673 | } |
| 1674 | |
| 1675 | /* |
| 1676 | * Error out if we didn't get the whole comment... |
| 1677 | */ |
| 1678 | |
| 1679 | if (ch != '>') |
| 1680 | { |
| 1681 | /* |
| 1682 | * Print error and return... |
| 1683 | */ |
| 1684 | |
| 1685 | mxml_error("Early EOF in CDATA node!"); |
| 1686 | goto error; |
| 1687 | } |
| 1688 | |
| 1689 | |
| 1690 | /* |
| 1691 | * Otherwise add this as an element under the current parent... |
| 1692 | */ |
| 1693 | |
| 1694 | *bufptr = '\0'; |
| 1695 | |
| 1696 | if (!parent && first) |
| 1697 | { |
| 1698 | /* |
| 1699 | * There can only be one root element! |
| 1700 | */ |
| 1701 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1702 | mxml_error("<%s> cannot be a second root node after <%s>", |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1703 | buffer, first->value.element.name); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1704 | goto error; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1705 | } |
| 1706 | |
| 1707 | if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1708 | { |
| 1709 | /* |
| 1710 | * Print error and return... |
| 1711 | */ |
| 1712 | |
| 1713 | mxml_error("Unable to add CDATA node to parent <%s>!", |
| 1714 | parent ? parent->value.element.name : "null"); |
| 1715 | goto error; |
| 1716 | } |
| 1717 | |
| 1718 | if (sax_cb) |
| 1719 | { |
| 1720 | (*sax_cb)(node, MXML_SAX_CDATA, sax_data); |
| 1721 | |
| 1722 | if (!mxmlRelease(node)) |
| 1723 | node = NULL; |
| 1724 | } |
| 1725 | |
| 1726 | if (node && !first) |
| 1727 | first = node; |
| 1728 | } |
| 1729 | else if (buffer[0] == '?') |
| 1730 | { |
| 1731 | /* |
| 1732 | * Gather rest of processing instruction... |
| 1733 | */ |
| 1734 | |
| 1735 | while ((ch = (*getc_cb)(p, &encoding)) != EOF) |
| 1736 | { |
| 1737 | if (ch == '>' && bufptr > buffer && bufptr[-1] == '?') |
| 1738 | break; |
| 1739 | else if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1740 | goto error; |
| 1741 | } |
| 1742 | |
| 1743 | /* |
| 1744 | * Error out if we didn't get the whole processing instruction... |
| 1745 | */ |
| 1746 | |
| 1747 | if (ch != '>') |
| 1748 | { |
| 1749 | /* |
| 1750 | * Print error and return... |
| 1751 | */ |
| 1752 | |
| 1753 | mxml_error("Early EOF in processing instruction node!"); |
| 1754 | goto error; |
| 1755 | } |
| 1756 | |
| 1757 | /* |
| 1758 | * Otherwise add this as an element under the current parent... |
| 1759 | */ |
| 1760 | |
| 1761 | *bufptr = '\0'; |
| 1762 | |
| 1763 | if (!parent && first) |
| 1764 | { |
| 1765 | /* |
| 1766 | * There can only be one root element! |
| 1767 | */ |
| 1768 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1769 | mxml_error("<%s> cannot be a second root node after <%s>", |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1770 | buffer, first->value.element.name); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1771 | goto error; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1772 | } |
| 1773 | |
| 1774 | if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1775 | { |
| 1776 | /* |
| 1777 | * Print error and return... |
| 1778 | */ |
| 1779 | |
| 1780 | mxml_error("Unable to add processing instruction node to parent <%s>!", |
| 1781 | parent ? parent->value.element.name : "null"); |
| 1782 | goto error; |
| 1783 | } |
| 1784 | |
| 1785 | if (sax_cb) |
| 1786 | { |
| 1787 | (*sax_cb)(node, MXML_SAX_DIRECTIVE, sax_data); |
| 1788 | |
| 1789 | if (!mxmlRelease(node)) |
| 1790 | node = NULL; |
| 1791 | } |
| 1792 | |
| 1793 | if (node) |
| 1794 | { |
| 1795 | if (!first) |
| 1796 | first = node; |
| 1797 | |
| 1798 | if (!parent) |
| 1799 | { |
| 1800 | parent = node; |
| 1801 | |
| 1802 | if (cb) |
| 1803 | type = (*cb)(parent); |
| 1804 | } |
| 1805 | } |
| 1806 | } |
| 1807 | else if (buffer[0] == '!') |
| 1808 | { |
| 1809 | /* |
| 1810 | * Gather rest of declaration... |
| 1811 | */ |
| 1812 | |
| 1813 | do |
| 1814 | { |
| 1815 | if (ch == '>') |
| 1816 | break; |
| 1817 | else |
| 1818 | { |
| 1819 | if (ch == '&') |
| 1820 | if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF) |
| 1821 | goto error; |
| 1822 | |
| 1823 | if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 1824 | goto error; |
| 1825 | } |
| 1826 | } |
| 1827 | while ((ch = (*getc_cb)(p, &encoding)) != EOF); |
| 1828 | |
| 1829 | /* |
| 1830 | * Error out if we didn't get the whole declaration... |
| 1831 | */ |
| 1832 | |
| 1833 | if (ch != '>') |
| 1834 | { |
| 1835 | /* |
| 1836 | * Print error and return... |
| 1837 | */ |
| 1838 | |
| 1839 | mxml_error("Early EOF in declaration node!"); |
| 1840 | goto error; |
| 1841 | } |
| 1842 | |
| 1843 | /* |
| 1844 | * Otherwise add this as an element under the current parent... |
| 1845 | */ |
| 1846 | |
| 1847 | *bufptr = '\0'; |
| 1848 | |
| 1849 | if (!parent && first) |
| 1850 | { |
| 1851 | /* |
| 1852 | * There can only be one root element! |
| 1853 | */ |
| 1854 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1855 | mxml_error("<%s> cannot be a second root node after <%s>", |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1856 | buffer, first->value.element.name); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1857 | goto error; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1858 | } |
| 1859 | |
| 1860 | if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1861 | { |
| 1862 | /* |
| 1863 | * Print error and return... |
| 1864 | */ |
| 1865 | |
| 1866 | mxml_error("Unable to add declaration node to parent <%s>!", |
| 1867 | parent ? parent->value.element.name : "null"); |
| 1868 | goto error; |
| 1869 | } |
| 1870 | |
| 1871 | if (sax_cb) |
| 1872 | { |
| 1873 | (*sax_cb)(node, MXML_SAX_DIRECTIVE, sax_data); |
| 1874 | |
| 1875 | if (!mxmlRelease(node)) |
| 1876 | node = NULL; |
| 1877 | } |
| 1878 | |
| 1879 | if (node) |
| 1880 | { |
| 1881 | if (!first) |
| 1882 | first = node; |
| 1883 | |
| 1884 | if (!parent) |
| 1885 | { |
| 1886 | parent = node; |
| 1887 | |
| 1888 | if (cb) |
| 1889 | type = (*cb)(parent); |
| 1890 | } |
| 1891 | } |
| 1892 | } |
| 1893 | else if (buffer[0] == '/') |
| 1894 | { |
| 1895 | /* |
| 1896 | * Handle close tag... |
| 1897 | */ |
| 1898 | |
| 1899 | if (!parent || strcmp(buffer + 1, parent->value.element.name)) |
| 1900 | { |
| 1901 | /* |
| 1902 | * Close tag doesn't match tree; print an error for now... |
| 1903 | */ |
| 1904 | |
| 1905 | mxml_error("Mismatched close tag <%s> under parent <%s>!", |
| 1906 | buffer, parent ? parent->value.element.name : "(null)"); |
| 1907 | goto error; |
| 1908 | } |
| 1909 | |
| 1910 | /* |
| 1911 | * Keep reading until we see >... |
| 1912 | */ |
| 1913 | |
| 1914 | while (ch != '>' && ch != EOF) |
| 1915 | ch = (*getc_cb)(p, &encoding); |
| 1916 | |
| 1917 | node = parent; |
| 1918 | parent = parent->parent; |
| 1919 | |
| 1920 | if (sax_cb) |
| 1921 | { |
| 1922 | (*sax_cb)(node, MXML_SAX_ELEMENT_CLOSE, sax_data); |
| 1923 | |
| 1924 | if (!mxmlRelease(node) && first == node) |
| 1925 | first = NULL; |
| 1926 | } |
| 1927 | |
| 1928 | /* |
| 1929 | * Ascend into the parent and set the value type as needed... |
| 1930 | */ |
| 1931 | |
| 1932 | if (cb && parent) |
| 1933 | type = (*cb)(parent); |
| 1934 | } |
| 1935 | else |
| 1936 | { |
| 1937 | /* |
| 1938 | * Handle open tag... |
| 1939 | */ |
| 1940 | |
| 1941 | if (!parent && first) |
| 1942 | { |
| 1943 | /* |
| 1944 | * There can only be one root element! |
| 1945 | */ |
| 1946 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1947 | mxml_error("<%s> cannot be a second root node after <%s>", |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1948 | buffer, first->value.element.name); |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 1949 | goto error; |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 1950 | } |
| 1951 | |
| 1952 | if ((node = mxmlNewElement(parent, buffer)) == NULL) |
| 1953 | { |
| 1954 | /* |
| 1955 | * Just print error for now... |
| 1956 | */ |
| 1957 | |
| 1958 | mxml_error("Unable to add element node to parent <%s>!", |
| 1959 | parent ? parent->value.element.name : "null"); |
| 1960 | goto error; |
| 1961 | } |
| 1962 | |
| 1963 | if (mxml_isspace(ch)) |
| 1964 | { |
| 1965 | if ((ch = mxml_parse_element(node, p, &encoding, getc_cb)) == EOF) |
| 1966 | goto error; |
| 1967 | } |
| 1968 | else if (ch == '/') |
| 1969 | { |
| 1970 | if ((ch = (*getc_cb)(p, &encoding)) != '>') |
| 1971 | { |
| 1972 | mxml_error("Expected > but got '%c' instead for element <%s/>!", |
| 1973 | ch, buffer); |
| 1974 | mxmlDelete(node); |
| 1975 | goto error; |
| 1976 | } |
| 1977 | |
| 1978 | ch = '/'; |
| 1979 | } |
| 1980 | |
| 1981 | if (sax_cb) |
| 1982 | (*sax_cb)(node, MXML_SAX_ELEMENT_OPEN, sax_data); |
| 1983 | |
| 1984 | if (!first) |
| 1985 | first = node; |
| 1986 | |
| 1987 | if (ch == EOF) |
| 1988 | break; |
| 1989 | |
| 1990 | if (ch != '/') |
| 1991 | { |
| 1992 | /* |
| 1993 | * Descend into this node, setting the value type as needed... |
| 1994 | */ |
| 1995 | |
| 1996 | parent = node; |
| 1997 | |
| 1998 | if (cb && parent) |
| 1999 | type = (*cb)(parent); |
| 2000 | } |
| 2001 | else if (sax_cb) |
| 2002 | { |
| 2003 | (*sax_cb)(node, MXML_SAX_ELEMENT_CLOSE, sax_data); |
| 2004 | |
| 2005 | if (!mxmlRelease(node) && first == node) |
| 2006 | first = NULL; |
| 2007 | } |
| 2008 | } |
| 2009 | |
| 2010 | bufptr = buffer; |
| 2011 | } |
| 2012 | else if (ch == '&') |
| 2013 | { |
| 2014 | /* |
| 2015 | * Add character entity to current buffer... |
| 2016 | */ |
| 2017 | |
| 2018 | if ((ch = mxml_get_entity(parent, p, &encoding, getc_cb)) == EOF) |
| 2019 | goto error; |
| 2020 | |
| 2021 | if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 2022 | goto error; |
| 2023 | } |
| 2024 | else if (type == MXML_OPAQUE || type == MXML_CUSTOM || !mxml_isspace(ch)) |
| 2025 | { |
| 2026 | /* |
| 2027 | * Add character to current buffer... |
| 2028 | */ |
| 2029 | |
| 2030 | if (mxml_add_char(ch, &bufptr, &buffer, &bufsize)) |
| 2031 | goto error; |
| 2032 | } |
| 2033 | } |
| 2034 | |
| 2035 | /* |
| 2036 | * Free the string buffer - we don't need it anymore... |
| 2037 | */ |
| 2038 | |
| 2039 | free(buffer); |
| 2040 | |
| 2041 | /* |
| 2042 | * Find the top element and return it... |
| 2043 | */ |
| 2044 | |
| 2045 | if (parent) |
| 2046 | { |
| 2047 | node = parent; |
| 2048 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 2049 | while (parent != top && parent->parent) |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 2050 | parent = parent->parent; |
| 2051 | |
| 2052 | if (node != parent) |
| 2053 | { |
| 2054 | mxml_error("Missing close tag </%s> under parent <%s>!", |
| 2055 | node->value.element.name, |
| 2056 | node->parent ? node->parent->value.element.name : "(null)"); |
| 2057 | |
| 2058 | mxmlDelete(first); |
| 2059 | |
| 2060 | return (NULL); |
| 2061 | } |
| 2062 | } |
| 2063 | |
| 2064 | if (parent) |
| 2065 | return (parent); |
| 2066 | else |
| 2067 | return (first); |
| 2068 | |
| 2069 | /* |
| 2070 | * Common error return... |
| 2071 | */ |
| 2072 | |
| 2073 | error: |
| 2074 | |
| 2075 | mxmlDelete(first); |
| 2076 | |
| 2077 | free(buffer); |
| 2078 | |
| 2079 | return (NULL); |
| 2080 | } |
| 2081 | |
| 2082 | |
| 2083 | /* |
| 2084 | * 'mxml_parse_element()' - Parse an element for any attributes... |
| 2085 | */ |
| 2086 | |
| 2087 | static int /* O - Terminating character */ |
| 2088 | mxml_parse_element( |
| 2089 | mxml_node_t *node, /* I - Element node */ |
| 2090 | void *p, /* I - Data to read from */ |
| 2091 | int *encoding, /* IO - Encoding */ |
| 2092 | _mxml_getc_cb_t getc_cb) /* I - Data callback */ |
| 2093 | { |
| 2094 | int ch, /* Current character in file */ |
| 2095 | quote; /* Quoting character */ |
| 2096 | char *name, /* Attribute name */ |
| 2097 | *value, /* Attribute value */ |
| 2098 | *ptr; /* Pointer into name/value */ |
| 2099 | int namesize, /* Size of name string */ |
| 2100 | valsize; /* Size of value string */ |
| 2101 | |
| 2102 | |
| 2103 | /* |
| 2104 | * Initialize the name and value buffers... |
| 2105 | */ |
| 2106 | |
| 2107 | if ((name = malloc(64)) == NULL) |
| 2108 | { |
| 2109 | mxml_error("Unable to allocate memory for name!"); |
| 2110 | return (EOF); |
| 2111 | } |
| 2112 | |
| 2113 | namesize = 64; |
| 2114 | |
| 2115 | if ((value = malloc(64)) == NULL) |
| 2116 | { |
| 2117 | free(name); |
| 2118 | mxml_error("Unable to allocate memory for value!"); |
| 2119 | return (EOF); |
| 2120 | } |
| 2121 | |
| 2122 | valsize = 64; |
| 2123 | |
| 2124 | /* |
| 2125 | * Loop until we hit a >, /, ?, or EOF... |
| 2126 | */ |
| 2127 | |
| 2128 | while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2129 | { |
| 2130 | #if DEBUG > 1 |
| 2131 | fprintf(stderr, "parse_element: ch='%c'\n", ch); |
| 2132 | #endif /* DEBUG > 1 */ |
| 2133 | |
| 2134 | /* |
| 2135 | * Skip leading whitespace... |
| 2136 | */ |
| 2137 | |
| 2138 | if (mxml_isspace(ch)) |
| 2139 | continue; |
| 2140 | |
| 2141 | /* |
| 2142 | * Stop at /, ?, or >... |
| 2143 | */ |
| 2144 | |
| 2145 | if (ch == '/' || ch == '?') |
| 2146 | { |
| 2147 | /* |
| 2148 | * Grab the > character and print an error if it isn't there... |
| 2149 | */ |
| 2150 | |
| 2151 | quote = (*getc_cb)(p, encoding); |
| 2152 | |
| 2153 | if (quote != '>') |
| 2154 | { |
| 2155 | mxml_error("Expected '>' after '%c' for element %s, but got '%c'!", |
| 2156 | ch, node->value.element.name, quote); |
| 2157 | goto error; |
| 2158 | } |
| 2159 | |
| 2160 | break; |
| 2161 | } |
| 2162 | else if (ch == '<') |
| 2163 | { |
| 2164 | mxml_error("Bare < in element %s!", node->value.element.name); |
| 2165 | goto error; |
| 2166 | } |
| 2167 | else if (ch == '>') |
| 2168 | break; |
| 2169 | |
| 2170 | /* |
| 2171 | * Read the attribute name... |
| 2172 | */ |
| 2173 | |
| 2174 | name[0] = ch; |
| 2175 | ptr = name + 1; |
| 2176 | |
| 2177 | if (ch == '\"' || ch == '\'') |
| 2178 | { |
| 2179 | /* |
| 2180 | * Name is in quotes, so get a quoted string... |
| 2181 | */ |
| 2182 | |
| 2183 | quote = ch; |
| 2184 | |
| 2185 | while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2186 | { |
| 2187 | if (ch == '&') |
| 2188 | if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2189 | goto error; |
| 2190 | |
| 2191 | if (mxml_add_char(ch, &ptr, &name, &namesize)) |
| 2192 | goto error; |
| 2193 | |
| 2194 | if (ch == quote) |
| 2195 | break; |
| 2196 | } |
| 2197 | } |
| 2198 | else |
| 2199 | { |
| 2200 | /* |
| 2201 | * Grab an normal, non-quoted name... |
| 2202 | */ |
| 2203 | |
| 2204 | while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2205 | if (mxml_isspace(ch) || ch == '=' || ch == '/' || ch == '>' || |
| 2206 | ch == '?') |
| 2207 | break; |
| 2208 | else |
| 2209 | { |
| 2210 | if (ch == '&') |
| 2211 | if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2212 | goto error; |
| 2213 | |
| 2214 | if (mxml_add_char(ch, &ptr, &name, &namesize)) |
| 2215 | goto error; |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | *ptr = '\0'; |
| 2220 | |
| 2221 | if (mxmlElementGetAttr(node, name)) |
| 2222 | goto error; |
| 2223 | |
| 2224 | while (ch != EOF && mxml_isspace(ch)) |
| 2225 | ch = (*getc_cb)(p, encoding); |
| 2226 | |
| 2227 | if (ch == '=') |
| 2228 | { |
| 2229 | /* |
| 2230 | * Read the attribute value... |
| 2231 | */ |
| 2232 | |
| 2233 | while ((ch = (*getc_cb)(p, encoding)) != EOF && mxml_isspace(ch)); |
| 2234 | |
| 2235 | if (ch == EOF) |
| 2236 | { |
| 2237 | mxml_error("Missing value for attribute '%s' in element %s!", |
| 2238 | name, node->value.element.name); |
| 2239 | goto error; |
| 2240 | } |
| 2241 | |
| 2242 | if (ch == '\'' || ch == '\"') |
| 2243 | { |
| 2244 | /* |
| 2245 | * Read quoted value... |
| 2246 | */ |
| 2247 | |
| 2248 | quote = ch; |
| 2249 | ptr = value; |
| 2250 | |
| 2251 | while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2252 | if (ch == quote) |
| 2253 | break; |
| 2254 | else |
| 2255 | { |
| 2256 | if (ch == '&') |
| 2257 | if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2258 | goto error; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 2259 | |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 2260 | if (mxml_add_char(ch, &ptr, &value, &valsize)) |
| 2261 | goto error; |
| 2262 | } |
| 2263 | |
| 2264 | *ptr = '\0'; |
| 2265 | } |
| 2266 | else |
| 2267 | { |
| 2268 | /* |
| 2269 | * Read unquoted value... |
| 2270 | */ |
| 2271 | |
| 2272 | value[0] = ch; |
| 2273 | ptr = value + 1; |
| 2274 | |
| 2275 | while ((ch = (*getc_cb)(p, encoding)) != EOF) |
| 2276 | if (mxml_isspace(ch) || ch == '=' || ch == '/' || ch == '>') |
| 2277 | break; |
| 2278 | else |
| 2279 | { |
| 2280 | if (ch == '&') |
| 2281 | if ((ch = mxml_get_entity(node, p, encoding, getc_cb)) == EOF) |
| 2282 | goto error; |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 2283 | |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 2284 | if (mxml_add_char(ch, &ptr, &value, &valsize)) |
| 2285 | goto error; |
| 2286 | } |
| 2287 | |
| 2288 | *ptr = '\0'; |
| 2289 | } |
| 2290 | |
| 2291 | /* |
| 2292 | * Set the attribute with the given string value... |
| 2293 | */ |
| 2294 | |
| 2295 | mxmlElementSetAttr(node, name, value); |
| 2296 | } |
| 2297 | else |
| 2298 | { |
| 2299 | mxml_error("Missing value for attribute '%s' in element %s!", |
| 2300 | name, node->value.element.name); |
| 2301 | goto error; |
| 2302 | } |
| 2303 | |
| 2304 | /* |
| 2305 | * Check the end character... |
| 2306 | */ |
| 2307 | |
| 2308 | if (ch == '/' || ch == '?') |
| 2309 | { |
| 2310 | /* |
| 2311 | * Grab the > character and print an error if it isn't there... |
| 2312 | */ |
| 2313 | |
| 2314 | quote = (*getc_cb)(p, encoding); |
| 2315 | |
| 2316 | if (quote != '>') |
| 2317 | { |
| 2318 | mxml_error("Expected '>' after '%c' for element %s, but got '%c'!", |
| 2319 | ch, node->value.element.name, quote); |
| 2320 | ch = EOF; |
| 2321 | } |
| 2322 | |
| 2323 | break; |
| 2324 | } |
| 2325 | else if (ch == '>') |
| 2326 | break; |
| 2327 | } |
| 2328 | |
| 2329 | /* |
| 2330 | * Free the name and value buffers and return... |
| 2331 | */ |
| 2332 | |
| 2333 | free(name); |
| 2334 | free(value); |
| 2335 | |
| 2336 | return (ch); |
| 2337 | |
| 2338 | /* |
| 2339 | * Common error return point... |
| 2340 | */ |
| 2341 | |
| 2342 | error: |
| 2343 | |
| 2344 | free(name); |
| 2345 | free(value); |
| 2346 | |
| 2347 | return (EOF); |
| 2348 | } |
| 2349 | |
| 2350 | |
| 2351 | /* |
| 2352 | * 'mxml_string_getc()' - Get a character from a string. |
| 2353 | */ |
| 2354 | |
| 2355 | static int /* O - Character or EOF */ |
| 2356 | mxml_string_getc(void *p, /* I - Pointer to file */ |
| 2357 | int *encoding) /* IO - Encoding */ |
| 2358 | { |
| 2359 | int ch; /* Character */ |
| 2360 | const char **s; /* Pointer to string pointer */ |
| 2361 | |
| 2362 | |
| 2363 | s = (const char **)p; |
| 2364 | |
| 2365 | if ((ch = (*s)[0] & 255) != 0 || *encoding == ENCODE_UTF16LE) |
| 2366 | { |
| 2367 | /* |
| 2368 | * Got character; convert UTF-8 to integer and return... |
| 2369 | */ |
| 2370 | |
| 2371 | (*s)++; |
| 2372 | |
| 2373 | switch (*encoding) |
| 2374 | { |
| 2375 | case ENCODE_UTF8 : |
| 2376 | if (!(ch & 0x80)) |
| 2377 | { |
| 2378 | #if DEBUG > 1 |
| 2379 | printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2380 | #endif /* DEBUG > 1 */ |
| 2381 | |
| 2382 | if (mxml_bad_char(ch)) |
| 2383 | { |
| 2384 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 2385 | ch); |
| 2386 | return (EOF); |
| 2387 | } |
| 2388 | |
| 2389 | return (ch); |
| 2390 | } |
| 2391 | else if (ch == 0xfe) |
| 2392 | { |
| 2393 | /* |
| 2394 | * UTF-16 big-endian BOM? |
| 2395 | */ |
| 2396 | |
| 2397 | if (((*s)[0] & 255) != 0xff) |
| 2398 | return (EOF); |
| 2399 | |
| 2400 | *encoding = ENCODE_UTF16BE; |
| 2401 | (*s)++; |
| 2402 | |
| 2403 | return (mxml_string_getc(p, encoding)); |
| 2404 | } |
| 2405 | else if (ch == 0xff) |
| 2406 | { |
| 2407 | /* |
| 2408 | * UTF-16 little-endian BOM? |
| 2409 | */ |
| 2410 | |
| 2411 | if (((*s)[0] & 255) != 0xfe) |
| 2412 | return (EOF); |
| 2413 | |
| 2414 | *encoding = ENCODE_UTF16LE; |
| 2415 | (*s)++; |
| 2416 | |
| 2417 | return (mxml_string_getc(p, encoding)); |
| 2418 | } |
| 2419 | else if ((ch & 0xe0) == 0xc0) |
| 2420 | { |
| 2421 | /* |
| 2422 | * Two-byte value... |
| 2423 | */ |
| 2424 | |
| 2425 | if (((*s)[0] & 0xc0) != 0x80) |
| 2426 | return (EOF); |
| 2427 | |
| 2428 | ch = ((ch & 0x1f) << 6) | ((*s)[0] & 0x3f); |
| 2429 | |
| 2430 | (*s)++; |
| 2431 | |
| 2432 | if (ch < 0x80) |
| 2433 | { |
| 2434 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 2435 | return (EOF); |
| 2436 | } |
| 2437 | |
| 2438 | #if DEBUG > 1 |
| 2439 | printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2440 | #endif /* DEBUG > 1 */ |
| 2441 | |
| 2442 | return (ch); |
| 2443 | } |
| 2444 | else if ((ch & 0xf0) == 0xe0) |
| 2445 | { |
| 2446 | /* |
| 2447 | * Three-byte value... |
| 2448 | */ |
| 2449 | |
| 2450 | if (((*s)[0] & 0xc0) != 0x80 || |
| 2451 | ((*s)[1] & 0xc0) != 0x80) |
| 2452 | return (EOF); |
| 2453 | |
| 2454 | ch = ((((ch & 0x0f) << 6) | ((*s)[0] & 0x3f)) << 6) | ((*s)[1] & 0x3f); |
| 2455 | |
| 2456 | (*s) += 2; |
| 2457 | |
| 2458 | if (ch < 0x800) |
| 2459 | { |
| 2460 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 2461 | return (EOF); |
| 2462 | } |
| 2463 | |
| 2464 | /* |
| 2465 | * Ignore (strip) Byte Order Mark (BOM)... |
| 2466 | */ |
| 2467 | |
| 2468 | if (ch == 0xfeff) |
| 2469 | return (mxml_string_getc(p, encoding)); |
| 2470 | |
| 2471 | #if DEBUG > 1 |
| 2472 | printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2473 | #endif /* DEBUG > 1 */ |
| 2474 | |
| 2475 | return (ch); |
| 2476 | } |
| 2477 | else if ((ch & 0xf8) == 0xf0) |
| 2478 | { |
| 2479 | /* |
| 2480 | * Four-byte value... |
| 2481 | */ |
| 2482 | |
| 2483 | if (((*s)[0] & 0xc0) != 0x80 || |
| 2484 | ((*s)[1] & 0xc0) != 0x80 || |
| 2485 | ((*s)[2] & 0xc0) != 0x80) |
| 2486 | return (EOF); |
| 2487 | |
| 2488 | ch = ((((((ch & 0x07) << 6) | ((*s)[0] & 0x3f)) << 6) | |
| 2489 | ((*s)[1] & 0x3f)) << 6) | ((*s)[2] & 0x3f); |
| 2490 | |
| 2491 | (*s) += 3; |
| 2492 | |
| 2493 | if (ch < 0x10000) |
| 2494 | { |
| 2495 | mxml_error("Invalid UTF-8 sequence for character 0x%04x!", ch); |
| 2496 | return (EOF); |
| 2497 | } |
| 2498 | |
| 2499 | #if DEBUG > 1 |
| 2500 | printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2501 | #endif /* DEBUG > 1 */ |
| 2502 | |
| 2503 | return (ch); |
| 2504 | } |
| 2505 | else |
| 2506 | return (EOF); |
| 2507 | |
| 2508 | case ENCODE_UTF16BE : |
| 2509 | /* |
| 2510 | * Read UTF-16 big-endian char... |
| 2511 | */ |
| 2512 | |
| 2513 | ch = (ch << 8) | ((*s)[0] & 255); |
| 2514 | (*s) ++; |
| 2515 | |
| 2516 | if (mxml_bad_char(ch)) |
| 2517 | { |
| 2518 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 2519 | ch); |
| 2520 | return (EOF); |
| 2521 | } |
| 2522 | else if (ch >= 0xd800 && ch <= 0xdbff) |
| 2523 | { |
| 2524 | /* |
| 2525 | * Multi-word UTF-16 char... |
| 2526 | */ |
| 2527 | |
| 2528 | int lch; /* Lower word */ |
| 2529 | |
| 2530 | |
| 2531 | if (!(*s)[0]) |
| 2532 | return (EOF); |
| 2533 | |
| 2534 | lch = (((*s)[0] & 255) << 8) | ((*s)[1] & 255); |
| 2535 | (*s) += 2; |
| 2536 | |
| 2537 | if (lch < 0xdc00 || lch >= 0xdfff) |
| 2538 | return (EOF); |
| 2539 | |
| 2540 | ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 2541 | } |
| 2542 | |
| 2543 | #if DEBUG > 1 |
| 2544 | printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2545 | #endif /* DEBUG > 1 */ |
| 2546 | |
| 2547 | return (ch); |
| 2548 | |
| 2549 | case ENCODE_UTF16LE : |
| 2550 | /* |
| 2551 | * Read UTF-16 little-endian char... |
| 2552 | */ |
| 2553 | |
| 2554 | ch = ch | (((*s)[0] & 255) << 8); |
| 2555 | |
| 2556 | if (!ch) |
| 2557 | { |
| 2558 | (*s) --; |
| 2559 | return (EOF); |
| 2560 | } |
| 2561 | |
| 2562 | (*s) ++; |
| 2563 | |
| 2564 | if (mxml_bad_char(ch)) |
| 2565 | { |
| 2566 | mxml_error("Bad control character 0x%02x not allowed by XML standard!", |
| 2567 | ch); |
| 2568 | return (EOF); |
| 2569 | } |
| 2570 | else if (ch >= 0xd800 && ch <= 0xdbff) |
| 2571 | { |
| 2572 | /* |
| 2573 | * Multi-word UTF-16 char... |
| 2574 | */ |
| 2575 | |
| 2576 | int lch; /* Lower word */ |
| 2577 | |
| 2578 | |
| 2579 | if (!(*s)[1]) |
| 2580 | return (EOF); |
| 2581 | |
| 2582 | lch = (((*s)[1] & 255) << 8) | ((*s)[0] & 255); |
| 2583 | (*s) += 2; |
| 2584 | |
| 2585 | if (lch < 0xdc00 || lch >= 0xdfff) |
| 2586 | return (EOF); |
| 2587 | |
| 2588 | ch = (((ch & 0x3ff) << 10) | (lch & 0x3ff)) + 0x10000; |
| 2589 | } |
| 2590 | |
| 2591 | #if DEBUG > 1 |
| 2592 | printf("mxml_string_getc: %c (0x%04x)\n", ch < ' ' ? '.' : ch, ch); |
| 2593 | #endif /* DEBUG > 1 */ |
| 2594 | |
| 2595 | return (ch); |
| 2596 | } |
| 2597 | } |
| 2598 | |
| 2599 | return (EOF); |
| 2600 | } |
| 2601 | |
| 2602 | |
| 2603 | /* |
| 2604 | * 'mxml_string_putc()' - Write a character to a string. |
| 2605 | */ |
| 2606 | |
| 2607 | static int /* O - 0 on success, -1 on failure */ |
| 2608 | mxml_string_putc(int ch, /* I - Character to write */ |
| 2609 | void *p) /* I - Pointer to string pointers */ |
| 2610 | { |
| 2611 | char **pp; /* Pointer to string pointers */ |
| 2612 | |
| 2613 | |
| 2614 | pp = (char **)p; |
| 2615 | |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 2616 | if (pp[2] == 0) { |
| 2617 | if (pp[0] < pp[1]) |
| 2618 | pp[0][0] = ch; |
| 2619 | else |
| 2620 | pp[2] = (char *)1; |
| 2621 | } |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 2622 | |
| 2623 | pp[0] ++; |
| 2624 | |
| 2625 | return (0); |
| 2626 | } |
| 2627 | |
| 2628 | |
| 2629 | /* |
| 2630 | * 'mxml_write_name()' - Write a name string. |
| 2631 | */ |
| 2632 | |
| 2633 | static int /* O - 0 on success, -1 on failure */ |
| 2634 | mxml_write_name(const char *s, /* I - Name to write */ |
| 2635 | void *p, /* I - Write pointer */ |
| 2636 | int (*putc_cb)(int, void *)) |
| 2637 | /* I - Write callback */ |
| 2638 | { |
| 2639 | char quote; /* Quote character */ |
| 2640 | const char *name; /* Entity name */ |
| 2641 | |
| 2642 | |
| 2643 | if (*s == '\"' || *s == '\'') |
| 2644 | { |
| 2645 | /* |
| 2646 | * Write a quoted name string... |
| 2647 | */ |
| 2648 | |
| 2649 | if ((*putc_cb)(*s, p) < 0) |
| 2650 | return (-1); |
| 2651 | |
| 2652 | quote = *s++; |
| 2653 | |
| 2654 | while (*s && *s != quote) |
| 2655 | { |
| 2656 | if ((name = mxmlEntityGetName(*s)) != NULL) |
| 2657 | { |
| 2658 | if ((*putc_cb)('&', p) < 0) |
| 2659 | return (-1); |
| 2660 | |
| 2661 | while (*name) |
| 2662 | { |
| 2663 | if ((*putc_cb)(*name, p) < 0) |
| 2664 | return (-1); |
| 2665 | |
| 2666 | name ++; |
| 2667 | } |
| 2668 | |
| 2669 | if ((*putc_cb)(';', p) < 0) |
| 2670 | return (-1); |
| 2671 | } |
| 2672 | else if ((*putc_cb)(*s, p) < 0) |
| 2673 | return (-1); |
| 2674 | |
| 2675 | s ++; |
| 2676 | } |
| 2677 | |
| 2678 | /* |
| 2679 | * Write the end quote... |
| 2680 | */ |
| 2681 | |
| 2682 | if ((*putc_cb)(quote, p) < 0) |
| 2683 | return (-1); |
| 2684 | } |
| 2685 | else |
| 2686 | { |
| 2687 | /* |
| 2688 | * Write a non-quoted name string... |
| 2689 | */ |
| 2690 | |
| 2691 | while (*s) |
| 2692 | { |
| 2693 | if ((*putc_cb)(*s, p) < 0) |
| 2694 | return (-1); |
| 2695 | |
| 2696 | s ++; |
| 2697 | } |
| 2698 | } |
| 2699 | |
| 2700 | return (0); |
| 2701 | } |
| 2702 | |
| 2703 | |
| 2704 | /* |
| 2705 | * 'mxml_write_node()' - Save an XML node to a file. |
| 2706 | */ |
| 2707 | |
| 2708 | static int /* O - Column or -1 on error */ |
| 2709 | mxml_write_node(mxml_node_t *node, /* I - Node to write */ |
| 2710 | void *p, /* I - File to write to */ |
| 2711 | mxml_save_cb_t cb, /* I - Whitespace callback */ |
| 2712 | int col, /* I - Current column */ |
| 2713 | _mxml_putc_cb_t putc_cb,/* I - Output callback */ |
| 2714 | _mxml_global_t *global)/* I - Global data */ |
| 2715 | { |
| 2716 | int i, /* Looping var */ |
| 2717 | width; /* Width of attr + value */ |
| 2718 | mxml_attr_t *attr; /* Current attribute */ |
| 2719 | char s[255]; /* Temporary string */ |
| 2720 | |
| 2721 | |
| 2722 | /* |
| 2723 | * Print the node value... |
| 2724 | */ |
| 2725 | |
| 2726 | switch (node->type) |
| 2727 | { |
| 2728 | case MXML_ELEMENT : |
| 2729 | col = mxml_write_ws(node, p, cb, MXML_WS_BEFORE_OPEN, col, putc_cb); |
| 2730 | |
| 2731 | if ((*putc_cb)('<', p) < 0) |
| 2732 | return (-1); |
| 2733 | if (node->value.element.name[0] == '?' || |
| 2734 | !strncmp(node->value.element.name, "!--", 3) || |
| 2735 | !strncmp(node->value.element.name, "![CDATA[", 8)) |
| 2736 | { |
| 2737 | /* |
| 2738 | * Comments, CDATA, and processing instructions do not |
| 2739 | * use character entities. |
| 2740 | */ |
| 2741 | |
| 2742 | const char *ptr; /* Pointer into name */ |
| 2743 | |
| 2744 | |
| 2745 | for (ptr = node->value.element.name; *ptr; ptr ++) |
| 2746 | if ((*putc_cb)(*ptr, p) < 0) |
| 2747 | return (-1); |
| 2748 | } |
| 2749 | else if (mxml_write_name(node->value.element.name, p, putc_cb) < 0) |
| 2750 | return (-1); |
| 2751 | |
| 2752 | col += strlen(node->value.element.name) + 1; |
| 2753 | |
| 2754 | for (i = node->value.element.num_attrs, attr = node->value.element.attrs; |
| 2755 | i > 0; |
| 2756 | i --, attr ++) |
| 2757 | { |
| 2758 | width = strlen(attr->name); |
| 2759 | |
| 2760 | if (attr->value) |
| 2761 | width += strlen(attr->value) + 3; |
| 2762 | |
| 2763 | if (global->wrap > 0 && (col + width) > global->wrap) |
| 2764 | { |
| 2765 | if ((*putc_cb)('\n', p) < 0) |
| 2766 | return (-1); |
| 2767 | |
| 2768 | col = 0; |
| 2769 | } |
| 2770 | else |
| 2771 | { |
| 2772 | if ((*putc_cb)(' ', p) < 0) |
| 2773 | return (-1); |
| 2774 | |
| 2775 | col ++; |
| 2776 | } |
| 2777 | |
| 2778 | if (mxml_write_name(attr->name, p, putc_cb) < 0) |
| 2779 | return (-1); |
| 2780 | |
| 2781 | if (attr->value) |
| 2782 | { |
| 2783 | if ((*putc_cb)('=', p) < 0) |
| 2784 | return (-1); |
| 2785 | if ((*putc_cb)('\"', p) < 0) |
| 2786 | return (-1); |
| 2787 | if (mxml_write_string(attr->value, p, putc_cb) < 0) |
| 2788 | return (-1); |
| 2789 | if ((*putc_cb)('\"', p) < 0) |
| 2790 | return (-1); |
| 2791 | } |
| 2792 | |
| 2793 | col += width; |
| 2794 | } |
| 2795 | |
| 2796 | if (node->child) |
| 2797 | { |
| 2798 | /* |
| 2799 | * Write children... |
| 2800 | */ |
| 2801 | |
| 2802 | mxml_node_t *child; /* Current child */ |
| 2803 | |
| 2804 | |
| 2805 | if ((*putc_cb)('>', p) < 0) |
| 2806 | return (-1); |
| 2807 | else |
| 2808 | col ++; |
| 2809 | |
| 2810 | col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb); |
| 2811 | |
| 2812 | for (child = node->child; child; child = child->next) |
| 2813 | { |
| 2814 | if ((col = mxml_write_node(child, p, cb, col, putc_cb, global)) < 0) |
| 2815 | return (-1); |
| 2816 | } |
| 2817 | |
| 2818 | /* |
| 2819 | * The ? and ! elements are special-cases and have no end tags... |
| 2820 | */ |
| 2821 | |
| 2822 | if (node->value.element.name[0] != '!' && |
| 2823 | node->value.element.name[0] != '?') |
| 2824 | { |
| 2825 | col = mxml_write_ws(node, p, cb, MXML_WS_BEFORE_CLOSE, col, putc_cb); |
| 2826 | |
| 2827 | if ((*putc_cb)('<', p) < 0) |
| 2828 | return (-1); |
| 2829 | if ((*putc_cb)('/', p) < 0) |
| 2830 | return (-1); |
| 2831 | if (mxml_write_string(node->value.element.name, p, putc_cb) < 0) |
| 2832 | return (-1); |
| 2833 | if ((*putc_cb)('>', p) < 0) |
| 2834 | return (-1); |
| 2835 | |
| 2836 | col += strlen(node->value.element.name) + 3; |
| 2837 | |
| 2838 | col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_CLOSE, col, putc_cb); |
| 2839 | } |
| 2840 | } |
| 2841 | else if (node->value.element.name[0] == '!' || |
| 2842 | node->value.element.name[0] == '?') |
| 2843 | { |
| 2844 | /* |
| 2845 | * The ? and ! elements are special-cases... |
| 2846 | */ |
| 2847 | |
| 2848 | if ((*putc_cb)('>', p) < 0) |
| 2849 | return (-1); |
| 2850 | else |
| 2851 | col ++; |
| 2852 | |
| 2853 | col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb); |
| 2854 | } |
| 2855 | else |
| 2856 | { |
| 2857 | if ((*putc_cb)(' ', p) < 0) |
| 2858 | return (-1); |
| 2859 | if ((*putc_cb)('/', p) < 0) |
| 2860 | return (-1); |
| 2861 | if ((*putc_cb)('>', p) < 0) |
| 2862 | return (-1); |
| 2863 | |
| 2864 | col += 3; |
| 2865 | |
| 2866 | col = mxml_write_ws(node, p, cb, MXML_WS_AFTER_OPEN, col, putc_cb); |
| 2867 | } |
| 2868 | break; |
| 2869 | |
| 2870 | case MXML_INTEGER : |
| 2871 | if (node->prev) |
| 2872 | { |
| 2873 | if (global->wrap > 0 && col > global->wrap) |
| 2874 | { |
| 2875 | if ((*putc_cb)('\n', p) < 0) |
| 2876 | return (-1); |
| 2877 | |
| 2878 | col = 0; |
| 2879 | } |
| 2880 | else if ((*putc_cb)(' ', p) < 0) |
| 2881 | return (-1); |
| 2882 | else |
| 2883 | col ++; |
| 2884 | } |
| 2885 | |
| 2886 | sprintf(s, "%d", node->value.integer); |
| 2887 | if (mxml_write_string(s, p, putc_cb) < 0) |
| 2888 | return (-1); |
| 2889 | |
| 2890 | col += strlen(s); |
| 2891 | break; |
| 2892 | |
| 2893 | case MXML_OPAQUE : |
| 2894 | if (mxml_write_string(node->value.opaque, p, putc_cb) < 0) |
| 2895 | return (-1); |
| 2896 | |
| 2897 | col += strlen(node->value.opaque); |
| 2898 | break; |
| 2899 | |
| 2900 | case MXML_REAL : |
| 2901 | if (node->prev) |
| 2902 | { |
| 2903 | if (global->wrap > 0 && col > global->wrap) |
| 2904 | { |
| 2905 | if ((*putc_cb)('\n', p) < 0) |
| 2906 | return (-1); |
| 2907 | |
| 2908 | col = 0; |
| 2909 | } |
| 2910 | else if ((*putc_cb)(' ', p) < 0) |
| 2911 | return (-1); |
| 2912 | else |
| 2913 | col ++; |
| 2914 | } |
| 2915 | |
| 2916 | sprintf(s, "%f", node->value.real); |
| 2917 | if (mxml_write_string(s, p, putc_cb) < 0) |
| 2918 | return (-1); |
| 2919 | |
| 2920 | col += strlen(s); |
| 2921 | break; |
| 2922 | |
| 2923 | case MXML_TEXT : |
| 2924 | if (node->value.text.whitespace && col > 0) |
| 2925 | { |
| 2926 | if (global->wrap > 0 && col > global->wrap) |
| 2927 | { |
| 2928 | if ((*putc_cb)('\n', p) < 0) |
| 2929 | return (-1); |
| 2930 | |
| 2931 | col = 0; |
| 2932 | } |
| 2933 | else if ((*putc_cb)(' ', p) < 0) |
| 2934 | return (-1); |
| 2935 | else |
| 2936 | col ++; |
| 2937 | } |
| 2938 | |
| 2939 | if (mxml_write_string(node->value.text.string, p, putc_cb) < 0) |
| 2940 | return (-1); |
| 2941 | |
| 2942 | col += strlen(node->value.text.string); |
| 2943 | break; |
| 2944 | |
| 2945 | case MXML_CUSTOM : |
| 2946 | if (global->custom_save_cb) |
| 2947 | { |
| 2948 | char *data; /* Custom data string */ |
| 2949 | const char *newline; /* Last newline in string */ |
| 2950 | |
| 2951 | |
| 2952 | if ((data = (*global->custom_save_cb)(node)) == NULL) |
| 2953 | return (-1); |
| 2954 | |
| 2955 | if (mxml_write_string(data, p, putc_cb) < 0) |
| 2956 | return (-1); |
| 2957 | |
| 2958 | if ((newline = strrchr(data, '\n')) == NULL) |
| 2959 | col += strlen(data); |
| 2960 | else |
| 2961 | col = strlen(newline); |
| 2962 | |
| 2963 | free(data); |
| 2964 | break; |
| 2965 | } |
| 2966 | |
| 2967 | default : /* Should never happen */ |
| 2968 | return (-1); |
| 2969 | } |
| 2970 | |
| 2971 | return (col); |
| 2972 | } |
| 2973 | |
| 2974 | |
| 2975 | /* |
| 2976 | * 'mxml_write_string()' - Write a string, escaping & and < as needed. |
| 2977 | */ |
| 2978 | |
| 2979 | static int /* O - 0 on success, -1 on failure */ |
| 2980 | mxml_write_string( |
| 2981 | const char *s, /* I - String to write */ |
| 2982 | void *p, /* I - Write pointer */ |
| 2983 | _mxml_putc_cb_t putc_cb) /* I - Write callback */ |
| 2984 | { |
| 2985 | const char *name; /* Entity name, if any */ |
| 2986 | |
| 2987 | |
| 2988 | while (*s) |
| 2989 | { |
| 2990 | if ((name = mxmlEntityGetName(*s)) != NULL) |
| 2991 | { |
| 2992 | if ((*putc_cb)('&', p) < 0) |
| 2993 | return (-1); |
| 2994 | |
| 2995 | while (*name) |
| 2996 | { |
| 2997 | if ((*putc_cb)(*name, p) < 0) |
| 2998 | return (-1); |
| 2999 | name ++; |
| 3000 | } |
| 3001 | |
| 3002 | if ((*putc_cb)(';', p) < 0) |
| 3003 | return (-1); |
| 3004 | } |
| 3005 | else if ((*putc_cb)(*s, p) < 0) |
| 3006 | return (-1); |
| 3007 | |
| 3008 | s ++; |
| 3009 | } |
| 3010 | |
| 3011 | return (0); |
| 3012 | } |
| 3013 | |
| 3014 | |
| 3015 | /* |
| 3016 | * 'mxml_write_ws()' - Do whitespace callback... |
| 3017 | */ |
| 3018 | |
| 3019 | static int /* O - New column */ |
| 3020 | mxml_write_ws(mxml_node_t *node, /* I - Current node */ |
| 3021 | void *p, /* I - Write pointer */ |
| 3022 | mxml_save_cb_t cb, /* I - Callback function */ |
| 3023 | int ws, /* I - Where value */ |
| 3024 | int col, /* I - Current column */ |
| 3025 | _mxml_putc_cb_t putc_cb) /* I - Write callback */ |
| 3026 | { |
| 3027 | const char *s; /* Whitespace string */ |
| 3028 | |
| 3029 | |
| 3030 | if (cb && (s = (*cb)(node, ws)) != NULL) |
| 3031 | { |
| 3032 | while (*s) |
| 3033 | { |
| 3034 | if ((*putc_cb)(*s, p) < 0) |
| 3035 | return (-1); |
| 3036 | else if (*s == '\n') |
| 3037 | col = 0; |
| 3038 | else if (*s == '\t') |
| 3039 | { |
| 3040 | col += MXML_TAB; |
| 3041 | col = col - (col % MXML_TAB); |
| 3042 | } |
| 3043 | else |
| 3044 | col ++; |
| 3045 | |
| 3046 | s ++; |
| 3047 | } |
| 3048 | } |
| 3049 | |
| 3050 | return (col); |
| 3051 | } |
| 3052 | |
| 3053 | |
| 3054 | /* |
Jon Medhurst | 96b5615 | 2014-10-30 18:01:15 +0000 | [diff] [blame] | 3055 | * End of "$Id: mxml-file.c 455 2014-01-05 03:28:03Z msweet $". |
Jon Medhurst | aaf37a3 | 2013-06-11 12:10:56 +0100 | [diff] [blame] | 3056 | */ |