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22 | |
22 | |
23 | #include <stdlib.h> |
23 | #include <stdlib.h> |
24 | |
24 | |
25 | #include "parse_routines.h" |
25 | #include "parse_routines.h" |
26 | #include "error.h" |
26 | #include "error.h" |
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27 | |
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28 | #ifdef DMALLOC |
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29 | #include <dmalloc.h> |
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30 | #endif |
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31 | |
27 | |
32 | |
28 | struct formula_element |
33 | struct formula_element |
29 | { |
34 | { |
30 | psiconv_formula_type_t formula_type; |
35 | psiconv_formula_type_t formula_type; |
31 | int number_of_args; |
36 | int number_of_args; |
… | |
… | |
286 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
291 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
287 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
292 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
288 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
293 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
289 | {psiconv_formula_unknown,0,"*UNKNOWN*"}}; |
294 | {psiconv_formula_unknown,0,"*UNKNOWN*"}}; |
290 | |
295 | |
291 | static psiconv_string_t psiconv_read_sheet_string(const psiconv_buffer buf, |
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292 | int lev, |
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293 | psiconv_u32 off,int *length, int *status) |
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294 | { |
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295 | int stringlen,i,len,localstatus; |
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296 | psiconv_string_t result; |
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297 | char *res_copy; |
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298 | |
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299 | psiconv_progress(lev+1,off,"Going to read a sheet string"); |
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300 | |
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301 | stringlen = psiconv_read_u8(buf,lev+2,off,&localstatus); |
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302 | if (localstatus) |
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303 | goto ERROR1; |
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304 | psiconv_debug(lev+2,off,"Length: %i",stringlen); |
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305 | len = 1; |
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306 | |
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307 | result = malloc(stringlen + 1); |
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308 | if (!result) |
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309 | goto ERROR1; |
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310 | for (i = 0; (i < stringlen) && !localstatus; i++) |
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311 | result[i] = psiconv_read_u8(buf,lev,off+i+len,&localstatus); |
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312 | if (localstatus) |
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313 | goto ERROR2; |
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314 | result[stringlen] = 0; |
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315 | len += stringlen; |
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316 | |
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317 | res_copy = psiconv_make_printable(result); |
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318 | if (!res_copy) |
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319 | goto ERROR2; |
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320 | psiconv_debug(lev+2,off,"Contents: `%s'",res_copy); |
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321 | free(res_copy); |
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322 | |
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323 | if (length) |
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324 | *length = len; |
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325 | |
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326 | if (status) |
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327 | *status = 0; |
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328 | |
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329 | psiconv_progress(lev+1,off+len-1,"End of sheet string (total length: %08x)", |
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330 | len); |
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331 | |
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332 | return result; |
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333 | |
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334 | |
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335 | ERROR2: |
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336 | free(result); |
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337 | ERROR1: |
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338 | psiconv_warn(lev+1,off,"Reading of sheet string failed"); |
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339 | if (status) |
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340 | *status = localstatus; |
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341 | if (length) |
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342 | *length = 0; |
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343 | return NULL; |
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344 | } |
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345 | |
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346 | |
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347 | static int psiconv_parse_sheet_ref(const psiconv_buffer buf,int lev, |
296 | static int psiconv_parse_sheet_ref(const psiconv_config config, |
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297 | const psiconv_buffer buf,int lev, |
348 | psiconv_u32 off, int *length, |
298 | psiconv_u32 off, int *length, |
349 | psiconv_sheet_ref_t *result) |
299 | psiconv_sheet_ref_t *result) |
350 | { |
300 | { |
351 | int res; |
301 | int res; |
352 | psiconv_u16 temp; |
302 | psiconv_u16 temp; |
353 | |
303 | |
354 | psiconv_progress(lev+1,off,"Going to read a sheet ref"); |
304 | psiconv_progress(config,lev+1,off,"Going to read a sheet ref"); |
355 | psiconv_progress(lev+2,off,"Going to read the offset encoding"); |
305 | psiconv_progress(config,lev+2,off,"Going to read the offset encoding"); |
356 | temp = psiconv_read_u16(buf,lev+2,off,&res); |
306 | temp = psiconv_read_u16(config,buf,lev+2,off,&res); |
357 | if (res) { |
307 | if (res) { |
358 | if (length) |
308 | if (length) |
359 | *length = 0; |
309 | *length = 0; |
360 | return res; |
310 | return res; |
361 | } |
311 | } |
362 | psiconv_debug(lev+2,off,"Encoded word: %04x",temp); |
312 | psiconv_debug(config,lev+2,off,"Encoded word: %04x",temp); |
363 | result->absolute = (temp & 0x4000)?psiconv_bool_true:psiconv_bool_false; |
313 | result->absolute = (temp & 0x4000)?psiconv_bool_true:psiconv_bool_false; |
364 | result->offset = (temp & 0x3fff) * ((temp & 0x8000)?-1:1); |
314 | result->offset = (temp & 0x3fff) * ((temp & 0x8000)?-1:1); |
365 | psiconv_debug(lev+2,off,"Reference: %s offset %d", |
315 | psiconv_debug(config,lev+2,off,"Reference: %s offset %d", |
366 | result->absolute?"absolute":"relative",result->offset); |
316 | result->absolute?"absolute":"relative",result->offset); |
367 | if (length) |
317 | if (length) |
368 | *length = 2; |
318 | *length = 2; |
369 | return 0; |
319 | return 0; |
370 | } |
320 | } |
371 | |
321 | |
372 | static int psiconv_parse_sheet_cell_reference(const psiconv_buffer buf,int lev, |
322 | static int psiconv_parse_sheet_cell_reference(const psiconv_config config, |
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323 | const psiconv_buffer buf,int lev, |
373 | psiconv_u32 off, int *length, |
324 | psiconv_u32 off, int *length, |
374 | psiconv_sheet_cell_reference_t *result) |
325 | psiconv_sheet_cell_reference_t *result) |
375 | { |
326 | { |
376 | int len = 0; |
327 | int len = 0; |
377 | int leng,res; |
328 | int leng,res; |
378 | psiconv_u8 temp; |
329 | psiconv_u8 temp; |
379 | |
330 | |
380 | psiconv_progress(lev+1,off+len,"Going to read a sheet cell reference"); |
331 | psiconv_progress(config,lev+1,off+len,"Going to read a sheet cell reference"); |
381 | psiconv_progress(lev+2,off+len,"Going to read the row reference"); |
332 | psiconv_progress(config,lev+2,off+len,"Going to read the row reference"); |
382 | if ((res = psiconv_parse_sheet_ref(buf,lev+2,off+len,&leng,&result->row))) |
333 | if ((res = psiconv_parse_sheet_ref(config,buf,lev+2,off+len,&leng,&result->row))) |
383 | goto ERROR; |
334 | goto ERROR; |
384 | len += leng; |
335 | len += leng; |
385 | psiconv_progress(lev+2,off+len,"Going to read the column reference"); |
336 | psiconv_progress(config,lev+2,off+len,"Going to read the column reference"); |
386 | if ((res = psiconv_parse_sheet_ref(buf,lev+2,off+len,&leng,&result->column))) |
337 | if ((res = psiconv_parse_sheet_ref(config,buf,lev+2,off+len,&leng,&result->column))) |
387 | goto ERROR; |
338 | goto ERROR; |
388 | len += leng; |
339 | len += leng; |
389 | |
340 | |
390 | psiconv_progress(lev+2,off+len, |
341 | psiconv_progress(config,lev+2,off+len, |
391 | "Going to read the trailing byte (%02x expected)",0); |
342 | "Going to read the trailing byte (%02x expected)",0); |
392 | temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
343 | temp = psiconv_read_u8(config,buf,lev+2,off+len,&res); |
393 | if (res) |
344 | if (res) |
394 | goto ERROR; |
345 | goto ERROR; |
395 | if (temp != 0) { |
346 | if (temp != 0) { |
396 | psiconv_warn(lev+2,off+len,"Unknown byte in cell reference (ignored"); |
347 | psiconv_warn(config,lev+2,off+len,"Unknown byte in cell reference (ignored"); |
397 | psiconv_debug(lev+2,off+len,"Trailing byte: %02x",temp); |
348 | psiconv_debug(config,lev+2,off+len,"Trailing byte: %02x",temp); |
398 | } |
349 | } |
399 | len ++; |
350 | len ++; |
400 | psiconv_progress(lev,off+len-1, |
351 | psiconv_progress(config,lev,off+len-1, |
401 | "End of cell reference (total length: %08x)", len); |
352 | "End of cell reference (total length: %08x)", len); |
402 | if (length) |
353 | if (length) |
403 | *length = len; |
354 | *length = len; |
404 | return 0; |
355 | return 0; |
405 | ERROR: |
356 | ERROR: |
406 | if (length) |
357 | if (length) |
407 | *length = 0; |
358 | *length = 0; |
408 | return res; |
359 | return res; |
409 | } |
360 | } |
410 | |
361 | |
411 | static int psiconv_parse_sheet_cell_block(const psiconv_buffer buf,int lev, |
362 | static int psiconv_parse_sheet_cell_block(const psiconv_config config, |
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363 | const psiconv_buffer buf,int lev, |
412 | psiconv_u32 off, int *length, |
364 | psiconv_u32 off, int *length, |
413 | psiconv_sheet_cell_block_t *result) |
365 | psiconv_sheet_cell_block_t *result) |
414 | { |
366 | { |
415 | int len = 0; |
367 | int len = 0; |
416 | int leng,res; |
368 | int leng,res; |
417 | |
369 | |
418 | psiconv_progress(lev+1,off+len,"Going to read a sheet cell block"); |
370 | psiconv_progress(config,lev+1,off+len,"Going to read a sheet cell block"); |
419 | psiconv_progress(lev+2,off+len,"Going to read the first cell"); |
371 | psiconv_progress(config,lev+2,off+len,"Going to read the first cell"); |
420 | if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
372 | if ((res = psiconv_parse_sheet_cell_reference(config,buf,lev+2,off+len,&leng, |
421 | &result->first))) |
373 | &result->first))) |
422 | goto ERROR; |
374 | goto ERROR; |
423 | len += leng; |
375 | len += leng; |
424 | psiconv_progress(lev+2,off+len,"Going to read the last cell"); |
376 | psiconv_progress(config,lev+2,off+len,"Going to read the last cell"); |
425 | if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
377 | if ((res = psiconv_parse_sheet_cell_reference(config,buf,lev+2,off+len,&leng, |
426 | &result->last))) |
378 | &result->last))) |
427 | goto ERROR; |
379 | goto ERROR; |
428 | len += leng; |
380 | len += leng; |
429 | psiconv_progress(lev,off+len-1, |
381 | psiconv_progress(config,lev,off+len-1, |
430 | "End of cell block (total length: %08x)", len); |
382 | "End of cell block (total length: %08x)", len); |
431 | if (length) |
383 | if (length) |
432 | *length = len; |
384 | *length = len; |
433 | return 0; |
385 | return 0; |
434 | ERROR: |
386 | ERROR: |
435 | if (length) |
387 | if (length) |
436 | *length = 0; |
388 | *length = 0; |
437 | return res; |
389 | return res; |
438 | } |
390 | } |
439 | |
391 | |
440 | static int psiconv_parse_formula_element_list(const psiconv_buffer buf, int lev, |
392 | static int psiconv_parse_formula_element_list(const psiconv_config config, |
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393 | const psiconv_buffer buf, int lev, |
441 | psiconv_u32 off, int *length, |
394 | psiconv_u32 off, int *length, |
442 | psiconv_formula *result, |
395 | psiconv_formula *result, |
443 | psiconv_u32 maxlen) |
396 | psiconv_u32 maxlen) |
444 | { |
397 | { |
445 | int res=0; |
398 | int res=0; |
446 | int len=0; |
399 | int len=0; |
447 | int leng; |
400 | int leng; |
448 | int eof = 0; |
401 | int eof = 0; |
449 | psiconv_u8 marker,submarker; |
402 | psiconv_u8 marker,submarker,submarker2; |
450 | psiconv_formula_list formula_stack; |
403 | psiconv_formula_list formula_stack; |
451 | psiconv_formula formula,subformula,subformula1,subformula2, |
404 | psiconv_formula formula,subformula,subformula1,subformula2, |
452 | subformula3,subformula4; |
405 | subformula3,subformula4; |
453 | psiconv_u16 temp,nr_of_subs; |
406 | psiconv_u16 temp,nr_of_subs; |
454 | |
407 | |
455 | psiconv_progress(lev+1,off,"Going to read a formula element list"); |
408 | psiconv_progress(config,lev+1,off,"Going to read a formula element list"); |
456 | if (!(*result = malloc(sizeof(**result)))) |
409 | if (!(*result = malloc(sizeof(**result)))) |
457 | goto ERROR1; |
410 | goto ERROR1; |
458 | if (!(formula_stack = psiconv_list_new(sizeof(struct psiconv_formula_s)))) |
411 | if (!(formula_stack = psiconv_list_new(sizeof(struct psiconv_formula_s)))) |
459 | goto ERROR2; |
412 | goto ERROR2; |
460 | if (!(formula = malloc(sizeof(*formula)))) |
413 | if (!(formula = malloc(sizeof(*formula)))) |
… | |
… | |
473 | if (!(subformula4 = malloc(sizeof(*subformula4)))) |
426 | if (!(subformula4 = malloc(sizeof(*subformula4)))) |
474 | goto ERROR7; |
427 | goto ERROR7; |
475 | subformula4->type = psiconv_formula_unknown; |
428 | subformula4->type = psiconv_formula_unknown; |
476 | |
429 | |
477 | while (!eof && len+off < maxlen) { |
430 | while (!eof && len+off < maxlen) { |
478 | psiconv_progress(lev+3,off+len,"Going to read a formula item marker"); |
431 | psiconv_progress(config,lev+3,off+len,"Going to read a formula item marker"); |
479 | marker = psiconv_read_u8(buf,lev+2,off+len,&res); |
432 | marker = psiconv_read_u8(config,buf,lev+2,off+len,&res); |
480 | if (res) |
433 | if (res) |
481 | goto ERROR8; |
434 | goto ERROR8; |
482 | psiconv_debug(lev+3,off+len,"Marker: %02x (%s)",marker, |
435 | psiconv_debug(config,lev+3,off+len,"Marker: %02x (%s)",marker, |
483 | formula_elements[marker].name); |
436 | formula_elements[marker].name); |
484 | len ++; |
437 | len ++; |
485 | |
438 | |
486 | if (formula_elements[marker].formula_type == psiconv_formula_unknown) { |
439 | if (formula_elements[marker].formula_type == psiconv_formula_unknown) { |
487 | psiconv_warn(lev+3,off+len,"Unknown formula marker found!"); |
440 | psiconv_error(config,lev+3,off+len,"Unknown formula marker found!"); |
488 | goto ERROR8; |
441 | goto ERROR8; |
489 | } else if ((formula_elements[marker].formula_type == |
442 | } else if ((formula_elements[marker].formula_type == |
490 | psiconv_formula_mark_eof) || |
443 | psiconv_formula_mark_eof) || |
491 | (formula_elements[marker].formula_type == |
444 | (formula_elements[marker].formula_type == |
492 | psiconv_formula_mark_opend) || |
445 | psiconv_formula_mark_opend) || |
493 | (formula_elements[marker].formula_type == |
446 | (formula_elements[marker].formula_type == |
494 | psiconv_formula_mark_opsep)) { |
447 | psiconv_formula_mark_opsep)) { |
495 | len--; |
448 | len--; |
496 | psiconv_progress(lev+3,off+len,"End of this formula list"); |
449 | psiconv_progress(config,lev+3,off+len,"End of this formula list"); |
497 | eof = 1; |
450 | eof = 1; |
498 | } else if (formula_elements[marker].formula_type == |
451 | } else if (formula_elements[marker].formula_type == |
499 | psiconv_formula_dat_int) { |
452 | psiconv_formula_dat_int) { |
500 | psiconv_progress(lev+3,off+len,"Next item: an integer"); |
453 | psiconv_progress(config,lev+3,off+len,"Next item: an integer"); |
501 | formula->data.dat_int = psiconv_read_u32(buf,lev+2,off+len,&res); |
454 | formula->data.dat_int = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
502 | if (res) |
455 | if (res) |
503 | goto ERROR8; |
456 | goto ERROR8; |
504 | formula->type = formula_elements[marker].formula_type; |
457 | formula->type = formula_elements[marker].formula_type; |
505 | psiconv_debug(lev+3,off+len,"Value: %08x",formula->data.dat_int); |
458 | psiconv_debug(config,lev+3,off+len,"Value: %08x",formula->data.dat_int); |
506 | len += 4; |
459 | len += 4; |
507 | if ((res = psiconv_list_add(formula_stack,formula))) |
460 | if ((res = psiconv_list_add(formula_stack,formula))) |
508 | goto ERROR8; |
461 | goto ERROR8; |
509 | formula->type = psiconv_formula_unknown; |
462 | formula->type = psiconv_formula_unknown; |
510 | } else if (formula_elements[marker].formula_type == |
463 | } else if (formula_elements[marker].formula_type == |
511 | psiconv_formula_dat_float) { |
464 | psiconv_formula_dat_float) { |
512 | psiconv_progress(lev+3,off+len,"Next item: a float"); |
465 | psiconv_progress(config,lev+3,off+len,"Next item: a float"); |
513 | formula->data.dat_float = psiconv_read_float(buf,lev+2,off+len,&leng, |
466 | formula->data.dat_float = psiconv_read_float(config,buf,lev+2,off+len,&leng, |
514 | &res); |
467 | &res); |
515 | if (res) |
468 | if (res) |
516 | goto ERROR8; |
469 | goto ERROR8; |
517 | formula->type = formula_elements[marker].formula_type; |
470 | formula->type = formula_elements[marker].formula_type; |
518 | psiconv_debug(lev+3,off+len,"Value: %f",formula->data.dat_float); |
471 | psiconv_debug(config,lev+3,off+len,"Value: %f",formula->data.dat_float); |
519 | len += leng; |
472 | len += leng; |
520 | if ((res = psiconv_list_add(formula_stack,formula))) |
473 | if ((res = psiconv_list_add(formula_stack,formula))) |
521 | goto ERROR8; |
474 | goto ERROR8; |
522 | formula->type = psiconv_formula_unknown; |
475 | formula->type = psiconv_formula_unknown; |
523 | } else if (formula_elements[marker].formula_type == |
476 | } else if (formula_elements[marker].formula_type == |
524 | psiconv_formula_dat_cellref) { |
477 | psiconv_formula_dat_cellref) { |
525 | psiconv_progress(lev+3,off+len,"Next item: a cell reference"); |
478 | psiconv_progress(config,lev+3,off+len,"Next item: a cell reference"); |
526 | if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
479 | if ((res = psiconv_parse_sheet_cell_reference(config,buf,lev+2,off+len,&leng, |
527 | &formula->data.dat_cellref))) |
480 | &formula->data.dat_cellref))) |
528 | goto ERROR8; |
481 | goto ERROR8; |
529 | formula->type = formula_elements[marker].formula_type; |
482 | formula->type = formula_elements[marker].formula_type; |
530 | len += leng; |
483 | len += leng; |
531 | if ((res = psiconv_list_add(formula_stack,formula))) |
484 | if ((res = psiconv_list_add(formula_stack,formula))) |
… | |
… | |
533 | formula->type = psiconv_formula_unknown; |
486 | formula->type = psiconv_formula_unknown; |
534 | } else if ((formula_elements[marker].formula_type == |
487 | } else if ((formula_elements[marker].formula_type == |
535 | psiconv_formula_dat_cellblock) || |
488 | psiconv_formula_dat_cellblock) || |
536 | (formula_elements[marker].formula_type == |
489 | (formula_elements[marker].formula_type == |
537 | psiconv_formula_dat_vcellblock)) { |
490 | psiconv_formula_dat_vcellblock)) { |
538 | psiconv_progress(lev+3,off+len,"Next item: a cell block"); |
491 | psiconv_progress(config,lev+3,off+len,"Next item: a cell block"); |
539 | if ((res = psiconv_parse_sheet_cell_block(buf,lev+2,off+len,&leng, |
492 | if ((res = psiconv_parse_sheet_cell_block(config,buf,lev+2,off+len,&leng, |
540 | &formula->data.dat_cellblock))) |
493 | &formula->data.dat_cellblock))) |
541 | goto ERROR8; |
494 | goto ERROR8; |
542 | formula->type = formula_elements[marker].formula_type; |
495 | formula->type = formula_elements[marker].formula_type; |
543 | len += leng; |
496 | len += leng; |
544 | if ((res = psiconv_list_add(formula_stack,formula))) |
497 | if ((res = psiconv_list_add(formula_stack,formula))) |
545 | goto ERROR8; |
498 | goto ERROR8; |
546 | formula->type = psiconv_formula_unknown; |
499 | formula->type = psiconv_formula_unknown; |
547 | } else if (formula_elements[marker].formula_type == |
500 | } else if (formula_elements[marker].formula_type == |
548 | psiconv_formula_dat_string) { |
501 | psiconv_formula_dat_string) { |
549 | psiconv_progress(lev+3,off+len,"Next item: a string"); |
502 | psiconv_progress(config,lev+3,off+len,"Next item: a string"); |
550 | formula->data.dat_string = |
503 | formula->data.dat_string = |
551 | psiconv_read_sheet_string(buf,lev+2,off+len,&leng,&res); |
504 | psiconv_read_short_string(config,buf,lev+2,off+len,&leng,&res); |
552 | if (res) |
505 | if (res) |
553 | goto ERROR8; |
506 | goto ERROR8; |
554 | formula->type = formula_elements[marker].formula_type; |
507 | formula->type = formula_elements[marker].formula_type; |
555 | len += leng; |
508 | len += leng; |
556 | if ((res = psiconv_list_add(formula_stack,formula))) |
509 | if ((res = psiconv_list_add(formula_stack,formula))) |
557 | goto ERROR8; |
510 | goto ERROR8; |
558 | formula->type = psiconv_formula_unknown; |
511 | formula->type = psiconv_formula_unknown; |
559 | } else if ((formula_elements[marker].formula_type == |
512 | } else if ((formula_elements[marker].formula_type == |
560 | psiconv_formula_dat_var) || |
513 | psiconv_formula_dat_var)) { |
561 | (formula_elements[marker].formula_type == |
514 | psiconv_progress(config,lev+3,off+len,"Next item: a variable reference"); |
562 | psiconv_formula_dat_vcellblock)) { |
515 | formula->data.dat_variable = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
563 | psiconv_warn(lev+3,off+len,"Not yet supported formula mark!"); |
516 | if (res) |
564 | goto ERROR8; |
517 | goto ERROR8; |
|
|
518 | formula->type = formula_elements[marker].formula_type; |
|
|
519 | len += 4; |
|
|
520 | if ((res = psiconv_list_add(formula_stack,formula))) |
|
|
521 | goto ERROR8; |
|
|
522 | formula->type = psiconv_formula_unknown; |
565 | } else if (formula_elements[marker].number_of_args == -1) { |
523 | } else if (formula_elements[marker].number_of_args == -1) { |
566 | psiconv_progress(lev+3,off+len,"Going to parse a vararg function"); |
524 | psiconv_progress(config,lev+3,off+len,"Going to parse a vararg function"); |
567 | if (!(formula->data.fun_operands = |
525 | if (!(formula->data.fun_operands = |
568 | psiconv_list_new(sizeof(*formula)))) |
526 | psiconv_list_new(sizeof(*formula)))) |
569 | goto ERROR8; |
527 | goto ERROR8; |
570 | formula->type = formula_elements[marker].formula_type; |
528 | formula->type = formula_elements[marker].formula_type; |
571 | nr_of_subs = 0; |
529 | nr_of_subs = 0; |
572 | do { |
530 | do { |
573 | nr_of_subs ++; |
531 | nr_of_subs ++; |
574 | psiconv_progress(lev+4,off+len,"Going to read vararg argument %d", |
532 | psiconv_progress(config,lev+4,off+len,"Going to read vararg argument %d", |
575 | nr_of_subs); |
533 | nr_of_subs); |
576 | if ((res = psiconv_parse_formula_element_list(buf,lev+4,off+len,&leng, |
534 | if ((res = psiconv_parse_formula_element_list(config,buf,lev+4,off+len,&leng, |
577 | &subformula,maxlen))) |
535 | &subformula,maxlen))) |
578 | goto ERROR8; |
536 | goto ERROR8; |
579 | len += leng; |
537 | len += leng; |
580 | if ((res = psiconv_list_add(formula->data.fun_operands,subformula))) { |
538 | if ((res = psiconv_list_add(formula->data.fun_operands,subformula))) { |
581 | psiconv_free_formula(subformula); |
539 | psiconv_free_formula(subformula); |
582 | goto ERROR8; |
540 | goto ERROR8; |
583 | } |
541 | } |
584 | free(subformula); |
542 | free(subformula); |
585 | psiconv_progress(lev+4,off+len,"Going to read the next marker"); |
543 | psiconv_progress(config,lev+4,off+len,"Going to read the next marker"); |
586 | submarker = psiconv_read_u8(buf,lev+4,off+len,&res); |
544 | submarker = psiconv_read_u8(config,buf,lev+4,off+len,&res); |
587 | len ++; |
545 | len ++; |
588 | if (res) |
546 | if (res) |
589 | goto ERROR8; |
547 | goto ERROR8; |
|
|
548 | submarker2 = psiconv_read_u8(config,buf,lev+4,off+len,&res); |
|
|
549 | if (res) |
|
|
550 | goto ERROR8; |
590 | } while (formula_elements[submarker].formula_type |
551 | } while ((formula_elements[submarker].formula_type |
591 | == psiconv_formula_mark_opsep); |
552 | == psiconv_formula_mark_opsep) && |
|
|
553 | (formula_elements[submarker2].formula_type |
|
|
554 | != psiconv_formula_mark_opend)); |
|
|
555 | if ((formula_elements[submarker].formula_type == |
|
|
556 | psiconv_formula_mark_opsep) && |
|
|
557 | (formula_elements[submarker2].formula_type == |
|
|
558 | psiconv_formula_mark_opend)) { |
|
|
559 | submarker=submarker2; |
|
|
560 | len++; |
|
|
561 | } |
592 | if (formula_elements[submarker].formula_type |
562 | if (formula_elements[submarker].formula_type |
593 | != psiconv_formula_mark_opend) { |
563 | != psiconv_formula_mark_opend) { |
594 | psiconv_warn(lev+3,off+len,"Formula corrupted!"); |
564 | psiconv_error(config,lev+3,off+len,"Formula corrupted!"); |
595 | psiconv_debug(lev+3,off+len,"Found unexpected marker %02x",submarker); |
565 | psiconv_debug(config,lev+3,off+len,"Found unexpected marker %02x",submarker); |
596 | goto ERROR8; |
566 | goto ERROR8; |
597 | } |
567 | } |
598 | psiconv_progress(lev+3,off+len,"Going to read the repeated marker %02x", |
568 | psiconv_progress(config,lev+3,off+len,"Going to read the repeated marker %02x", |
599 | marker); |
569 | marker); |
600 | submarker = psiconv_read_u8(buf,lev+3,off+len,&res); |
570 | submarker = psiconv_read_u8(config,buf,lev+3,off+len,&res); |
601 | if (res) |
571 | if (res) |
602 | goto ERROR8; |
572 | goto ERROR8; |
603 | if (submarker != marker) { |
573 | if (submarker != marker) { |
604 | psiconv_warn(lev+3,off+len,"Formula corrupted!"); |
574 | psiconv_error(config,lev+3,off+len,"Formula corrupted!"); |
605 | psiconv_debug(lev+3,off+len,"Expected marker %02x, found %02x", |
575 | psiconv_debug(config,lev+3,off+len,"Expected marker %02x, found %02x", |
606 | marker,submarker); |
576 | marker,submarker); |
607 | goto ERROR8; |
577 | goto ERROR8; |
608 | } |
578 | } |
609 | len++; |
579 | len++; |
610 | psiconv_progress(lev+3,off+len, |
580 | psiconv_progress(config,lev+3,off+len, |
611 | "Going to read the number of arguments (%d expected)", |
581 | "Going to read the number of arguments (%d expected)", |
612 | nr_of_subs); |
582 | nr_of_subs); |
613 | temp = psiconv_read_u16(buf,lev+3,off+len,&res); |
583 | temp = psiconv_read_u16(config,buf,lev+3,off+len,&res); |
614 | if (res) |
584 | if (res) |
615 | goto ERROR8; |
585 | goto ERROR8; |
616 | if (temp != nr_of_subs) { |
586 | if (temp != nr_of_subs) { |
617 | psiconv_warn(lev+3,off+len,"Formula corrupted!"); |
587 | psiconv_error(config,lev+3,off+len,"Formula corrupted!"); |
618 | psiconv_debug(lev+3,off+len, |
588 | psiconv_debug(config,lev+3,off+len, |
619 | "Read %d arguments, but formula says there are %d", |
589 | "Read %d arguments, but formula says there are %d", |
620 | nr_of_subs,temp); |
590 | nr_of_subs,temp); |
621 | goto ERROR8; |
591 | goto ERROR8; |
622 | } |
592 | } |
623 | len += 2; |
593 | len += 2; |
… | |
… | |
658 | subformula4->type = subformula3->type = subformula2->type = |
628 | subformula4->type = subformula3->type = subformula2->type = |
659 | subformula1->type = formula->type = psiconv_formula_unknown; |
629 | subformula1->type = formula->type = psiconv_formula_unknown; |
660 | } |
630 | } |
661 | } |
631 | } |
662 | if ((len+off > maxlen) || !eof) { |
632 | if ((len+off > maxlen) || !eof) { |
663 | psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
633 | psiconv_error(config,lev+2,off+len,"Formula corrupted!"); |
664 | psiconv_debug(lev+2,off+len,"Expected end: %04x, found end: %04x", |
634 | psiconv_debug(config,lev+2,off+len,"Expected end: %04x, found end: %04x", |
665 | maxlen,len+off); |
635 | maxlen,len+off); |
666 | goto ERROR8; |
636 | goto ERROR8; |
667 | } |
637 | } |
668 | if ((psiconv_list_length(formula_stack)) != 1) { |
638 | if ((psiconv_list_length(formula_stack)) != 1) { |
669 | psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
639 | psiconv_error(config,lev+2,off+len,"Formula corrupted!"); |
670 | psiconv_debug(lev+2,off+len,"More than one item left on the stack (%d)", |
640 | psiconv_debug(config,lev+2,off+len,"More than one item left on the stack (%d)", |
671 | psiconv_list_length(formula_stack)); |
641 | psiconv_list_length(formula_stack)); |
672 | goto ERROR8; |
642 | goto ERROR8; |
673 | } |
643 | } |
674 | if ((res = psiconv_list_pop(formula_stack,*result))) |
644 | if ((res = psiconv_list_pop(formula_stack,*result))) |
675 | goto ERROR8; |
645 | goto ERROR8; |
… | |
… | |
677 | free(formula); |
647 | free(formula); |
678 | |
648 | |
679 | if (length) |
649 | if (length) |
680 | *length = len; |
650 | *length = len; |
681 | |
651 | |
682 | psiconv_progress(lev,off+len-1, |
652 | psiconv_progress(config,lev,off+len-1, |
683 | "End of formula element list (total length: %08x)", len); |
653 | "End of formula element list (total length: %08x)", len); |
684 | return 0; |
654 | return 0; |
685 | |
655 | |
686 | ERROR8: |
656 | ERROR8: |
687 | psiconv_free_formula(subformula4); |
657 | psiconv_free_formula(subformula4); |
… | |
… | |
696 | ERROR3: |
666 | ERROR3: |
697 | psiconv_free_formula_list(formula_stack); |
667 | psiconv_free_formula_list(formula_stack); |
698 | ERROR2: |
668 | ERROR2: |
699 | free (*result); |
669 | free (*result); |
700 | ERROR1: |
670 | ERROR1: |
701 | psiconv_warn(lev+1,off,"Reading of formula element list failed"); |
671 | psiconv_error(config,lev+1,off,"Reading of formula element list failed"); |
702 | if (length) |
672 | if (length) |
703 | *length = 0; |
673 | *length = 0; |
704 | if (!res) |
674 | if (!res) |
705 | return -PSICONV_E_NOMEM; |
675 | return -PSICONV_E_NOMEM; |
706 | else |
676 | else |
… | |
… | |
708 | } |
678 | } |
709 | |
679 | |
710 | |
680 | |
711 | |
681 | |
712 | |
682 | |
713 | int psiconv_parse_formula(const psiconv_buffer buf, int lev, |
683 | int psiconv_parse_formula(const psiconv_config config, |
|
|
684 | const psiconv_buffer buf, int lev, |
714 | psiconv_u32 off, int *length, |
685 | psiconv_u32 off, int *length, |
715 | psiconv_formula *result) |
686 | psiconv_formula *result) |
716 | { |
687 | { |
717 | int res=0; |
688 | int res=0; |
718 | int len=0; |
689 | int len=0; |
719 | int leng; |
690 | int leng; |
720 | psiconv_u32 bytelen,formula_end; |
691 | psiconv_u32 bytelen,formula_end; |
721 | psiconv_u8 temp; |
692 | psiconv_u8 temp; |
722 | |
693 | |
723 | psiconv_progress(lev+1,off,"Going to read a formula"); |
694 | psiconv_progress(config,lev+1,off,"Going to read a formula"); |
724 | |
695 | |
725 | psiconv_progress(lev+2,off+len, |
696 | psiconv_progress(config,lev+2,off+len, |
726 | "Going to read the formula byte length"); |
697 | "Going to read the formula byte length"); |
727 | bytelen = psiconv_read_S(buf,lev+2,off+len,&leng,&res); |
698 | bytelen = psiconv_read_S(config,buf,lev+2,off+len,&leng,&res); |
728 | if (res) |
699 | if (res) |
729 | goto ERROR1; |
700 | goto ERROR1; |
730 | psiconv_debug(lev+2,off+len,"Formula byte length: %d",bytelen); |
701 | psiconv_debug(config,lev+2,off+len,"Formula byte length: %d",bytelen); |
731 | len += leng; |
702 | len += leng; |
732 | bytelen += len; |
703 | bytelen += len; |
733 | formula_end = off + bytelen; |
704 | formula_end = off + bytelen; |
734 | |
705 | |
735 | psiconv_progress(lev+2,off+len,"Going to read the formula elements list"); |
706 | psiconv_progress(config,lev+2,off+len,"Going to read the formula elements list"); |
736 | if ((res = psiconv_parse_formula_element_list(buf,lev+2,off+len,&leng, |
707 | if ((res = psiconv_parse_formula_element_list(config,buf,lev+2,off+len,&leng, |
737 | result,formula_end))) |
708 | result,formula_end))) |
738 | goto ERROR1; |
709 | goto ERROR1; |
739 | len += leng; |
710 | len += leng; |
740 | |
711 | |
741 | psiconv_progress(lev+2,off+len,"Going to read the eof marker"); |
712 | psiconv_progress(config,lev+2,off+len,"Going to read the eof marker"); |
742 | temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
713 | temp = psiconv_read_u8(config,buf,lev+2,off+len,&res); |
743 | if (res) |
714 | if (res) |
744 | goto ERROR2; |
715 | goto ERROR2; |
745 | if (formula_elements[temp].formula_type != psiconv_formula_mark_eof) { |
716 | if (formula_elements[temp].formula_type != psiconv_formula_mark_eof) { |
746 | psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
717 | psiconv_error(config,lev+2,off+len,"Formula corrupted!"); |
747 | psiconv_debug(lev+2,off+len,"Expected marker: %02x, found byte: %02x", |
718 | psiconv_debug(config,lev+2,off+len,"Expected marker: %02x, found byte: %02x", |
748 | 0x15,temp); |
719 | 0x15,temp); |
749 | goto ERROR2; |
720 | goto ERROR2; |
750 | } |
721 | } |
751 | len ++; |
722 | len ++; |
752 | |
723 | |
753 | if (off+len != formula_end) { |
724 | if (off+len != formula_end) { |
754 | psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
725 | psiconv_error(config,lev+2,off+len,"Formula corrupted!"); |
755 | psiconv_debug(lev+2,off+len,"Expected end: %04x, found end: %04x", |
726 | psiconv_debug(config,lev+2,off+len,"Expected end: %04x, found end: %04x", |
756 | formula_end,len+off); |
727 | formula_end,len+off); |
757 | goto ERROR2; |
728 | goto ERROR2; |
758 | } |
729 | } |
759 | |
730 | |
760 | if (length) |
731 | if (length) |
761 | *length = len; |
732 | *length = len; |
762 | |
733 | |
763 | psiconv_progress(lev,off+len-1, |
734 | psiconv_progress(config,lev,off+len-1, |
764 | "End of formula (total length: %08x)", len); |
735 | "End of formula (total length: %08x)", len); |
765 | return 0; |
736 | return 0; |
766 | |
737 | |
767 | ERROR2: |
738 | ERROR2: |
768 | psiconv_free_formula(*result); |
739 | psiconv_free_formula(*result); |
769 | ERROR1: |
740 | ERROR1: |
770 | psiconv_warn(lev+1,off,"Reading of formula failed"); |
741 | psiconv_error(config,lev+1,off,"Reading of formula failed"); |
771 | if (length) |
742 | if (length) |
772 | *length = 0; |
743 | *length = 0; |
773 | if (!res) |
744 | if (!res) |
774 | return -PSICONV_E_NOMEM; |
745 | return -PSICONV_E_NOMEM; |
775 | else |
746 | else |