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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; |
… | |
… | |
46 | {psiconv_formula_op_mul,2,"*"}, |
51 | {psiconv_formula_op_mul,2,"*"}, |
47 | {psiconv_formula_op_div,2,"/"}, |
52 | {psiconv_formula_op_div,2,"/"}, |
48 | {psiconv_formula_op_pow,2,"^"}, |
53 | {psiconv_formula_op_pow,2,"^"}, |
49 | {psiconv_formula_op_pos,1,"+"}, |
54 | {psiconv_formula_op_pos,1,"+"}, |
50 | {psiconv_formula_op_neg,1,"-"}, |
55 | {psiconv_formula_op_neg,1,"-"}, |
51 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
56 | {psiconv_formula_op_not,1,"NOT"}, |
52 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
57 | {psiconv_formula_op_and,2,"AND"}, |
53 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, /* 10 */ |
58 | {psiconv_formula_op_or,2,"OR"}, /* 10 */ |
54 | {psiconv_formula_op_con,2,"&"}, |
59 | {psiconv_formula_op_con,2,"&"}, |
55 | {psiconv_formula_op_bra,1,"{}"}, |
60 | {psiconv_formula_op_bra,1,"()"}, |
56 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
61 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
57 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
62 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
58 | {psiconv_formula_mark_eof,0,"End of formula"}, |
63 | {psiconv_formula_mark_eof,0,"End of formula"}, |
59 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
64 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
60 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
65 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
… | |
… | |
284 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
289 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
285 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
290 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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*"}, |
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290 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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291 | {psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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292 | {psiconv_formula_unknown,0,"*UNKNOWN*"}}; |
294 | {psiconv_formula_unknown,0,"*UNKNOWN*"}}; |
293 | |
295 | |
294 | |
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295 | 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, |
296 | psiconv_u32 off, int *length, |
298 | psiconv_u32 off, int *length, |
297 | psiconv_sheet_ref_t *result) |
299 | psiconv_sheet_ref_t *result) |
298 | { |
300 | { |
299 | int res; |
301 | int res; |
300 | psiconv_u16 temp; |
302 | psiconv_u16 temp; |
301 | |
303 | |
302 | psiconv_progress(lev+1,off,"Going to read a sheet ref"); |
304 | psiconv_progress(config,lev+1,off,"Going to read a sheet ref"); |
303 | psiconv_progress(lev+2,off,"Going to read the offset encoding"); |
305 | psiconv_progress(config,lev+2,off,"Going to read the offset encoding"); |
304 | temp = psiconv_read_u16(buf,lev+2,off,&res); |
306 | temp = psiconv_read_u16(config,buf,lev+2,off,&res); |
305 | if (res) { |
307 | if (res) { |
306 | if (length) |
308 | if (length) |
307 | *length = 0; |
309 | *length = 0; |
308 | return res; |
310 | return res; |
309 | } |
311 | } |
310 | psiconv_debug(lev+2,off,"Encoded word: %04x",temp); |
312 | psiconv_debug(config,lev+2,off,"Encoded word: %04x",temp); |
311 | result->absolute = (temp & 0x4000)?psiconv_bool_true:psiconv_bool_false; |
313 | result->absolute = (temp & 0x4000)?psiconv_bool_true:psiconv_bool_false; |
312 | result->offset = (temp & 0x3fff) * ((temp & 0x8000)?-1:1); |
314 | result->offset = (temp & 0x3fff) * ((temp & 0x8000)?-1:1); |
313 | psiconv_debug(lev+2,off,"Reference: %s offset %d", |
315 | psiconv_debug(config,lev+2,off,"Reference: %s offset %d", |
314 | result->absolute?"absolute":"relative",result->offset); |
316 | result->absolute?"absolute":"relative",result->offset); |
315 | if (length) |
317 | if (length) |
316 | *length = 2; |
318 | *length = 2; |
317 | return 0; |
319 | return 0; |
318 | } |
320 | } |
319 | |
321 | |
320 | 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, |
321 | psiconv_u32 off, int *length, |
324 | psiconv_u32 off, int *length, |
322 | psiconv_sheet_cell_reference_t *result) |
325 | psiconv_sheet_cell_reference_t *result) |
323 | { |
326 | { |
324 | int len = 0; |
327 | int len = 0; |
325 | int leng,res; |
328 | int leng,res; |
326 | psiconv_u8 temp; |
329 | psiconv_u8 temp; |
327 | |
330 | |
328 | 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"); |
329 | 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"); |
330 | 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))) |
331 | goto ERROR; |
334 | goto ERROR; |
332 | len += leng; |
335 | len += leng; |
333 | 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"); |
334 | 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))) |
335 | goto ERROR; |
338 | goto ERROR; |
336 | len += leng; |
339 | len += leng; |
337 | |
340 | |
338 | psiconv_progress(lev+2,off+len, |
341 | psiconv_progress(config,lev+2,off+len, |
339 | "Going to read the trailing byte (%02x expected)",0); |
342 | "Going to read the trailing byte (%02x expected)",0); |
340 | temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
343 | temp = psiconv_read_u8(config,buf,lev+2,off+len,&res); |
341 | if (res) |
344 | if (res) |
342 | goto ERROR; |
345 | goto ERROR; |
343 | if (temp != 0) { |
346 | if (temp != 0) { |
344 | 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"); |
345 | psiconv_debug(lev+2,off+len,"Trailing byte: %02x",temp); |
348 | psiconv_debug(config,lev+2,off+len,"Trailing byte: %02x",temp); |
346 | } |
349 | } |
347 | len ++; |
350 | len ++; |
348 | psiconv_progress(lev,off+len-1, |
351 | psiconv_progress(config,lev,off+len-1, |
349 | "End of cell reference (total length: %08x)", len); |
352 | "End of cell reference (total length: %08x)", len); |
350 | if (length) |
353 | if (length) |
351 | *length = len; |
354 | *length = len; |
352 | return 0; |
355 | return 0; |
353 | ERROR: |
356 | ERROR: |
354 | if (length) |
357 | if (length) |
355 | *length = 0; |
358 | *length = 0; |
356 | return res; |
359 | return res; |
357 | } |
360 | } |
358 | |
361 | |
359 | 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, |
360 | psiconv_u32 off, int *length, |
364 | psiconv_u32 off, int *length, |
361 | psiconv_sheet_cell_block_t *result) |
365 | psiconv_sheet_cell_block_t *result) |
362 | { |
366 | { |
363 | int len = 0; |
367 | int len = 0; |
364 | int leng,res; |
368 | int leng,res; |
365 | |
369 | |
366 | 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"); |
367 | 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"); |
368 | 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, |
369 | &result->first))) |
373 | &result->first))) |
370 | goto ERROR; |
374 | goto ERROR; |
371 | len += leng; |
375 | len += leng; |
372 | 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"); |
373 | 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, |
374 | &result->last))) |
378 | &result->last))) |
375 | goto ERROR; |
379 | goto ERROR; |
376 | len += leng; |
380 | len += leng; |
377 | psiconv_progress(lev,off+len-1, |
381 | psiconv_progress(config,lev,off+len-1, |
378 | "End of cell block (total length: %08x)", len); |
382 | "End of cell block (total length: %08x)", len); |
379 | if (length) |
383 | if (length) |
380 | *length = len; |
384 | *length = len; |
381 | return 0; |
385 | return 0; |
382 | ERROR: |
386 | ERROR: |
383 | if (length) |
387 | if (length) |
384 | *length = 0; |
388 | *length = 0; |
385 | return res; |
389 | return res; |
386 | } |
390 | } |
387 | |
391 | |
388 | int psiconv_parse_formula(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, |
389 | psiconv_u32 off, int *length, |
394 | psiconv_u32 off, int *length, |
390 | psiconv_formula *result) |
395 | psiconv_formula *result, |
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396 | psiconv_u32 maxlen) |
391 | { |
397 | { |
392 | int res=0; |
398 | int res=0; |
393 | int len=0; |
399 | int len=0; |
394 | int leng; |
400 | int leng; |
395 | int eof = 0; |
401 | int eof = 0; |
396 | psiconv_u8 marker; |
402 | psiconv_u8 marker,submarker,submarker2; |
397 | psiconv_u32 bytelen; |
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398 | psiconv_formula_list formula_stack; |
403 | psiconv_formula_list formula_stack; |
399 | psiconv_formula formula,subformula1,subformula2,subformula3,subformula4; |
404 | psiconv_formula formula,subformula,subformula1,subformula2, |
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405 | subformula3,subformula4; |
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406 | psiconv_u16 temp,nr_of_subs; |
400 | |
407 | |
401 | psiconv_progress(lev+1,off,"Going to read a formula"); |
408 | psiconv_progress(config,lev+1,off,"Going to read a formula element list"); |
402 | if (!(*result = malloc(sizeof(**result)))) |
409 | if (!(*result = malloc(sizeof(**result)))) |
403 | goto ERROR1; |
410 | goto ERROR1; |
404 | if (!(formula_stack = psiconv_list_new(sizeof(struct psiconv_formula_s)))) |
411 | if (!(formula_stack = psiconv_list_new(sizeof(struct psiconv_formula_s)))) |
405 | goto ERROR2; |
412 | goto ERROR2; |
406 | if (!(formula = malloc(sizeof(*formula)))) |
413 | if (!(formula = malloc(sizeof(*formula)))) |
… | |
… | |
418 | subformula3->type = psiconv_formula_unknown; |
425 | subformula3->type = psiconv_formula_unknown; |
419 | if (!(subformula4 = malloc(sizeof(*subformula4)))) |
426 | if (!(subformula4 = malloc(sizeof(*subformula4)))) |
420 | goto ERROR7; |
427 | goto ERROR7; |
421 | subformula4->type = psiconv_formula_unknown; |
428 | subformula4->type = psiconv_formula_unknown; |
422 | |
429 | |
423 | psiconv_progress(lev+2,off+len, |
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424 | "Going to read the formula byte length"); |
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425 | bytelen = psiconv_read_S(buf,lev+2,off+len,&leng,&res); |
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426 | if (res) |
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427 | goto ERROR8; |
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428 | psiconv_debug(lev+2,off+len,"Formula byte length: %d",bytelen); |
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429 | len += leng; |
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430 | bytelen += len; |
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431 | |
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432 | psiconv_progress(lev+2,off+len,"Going to read the formula items"); |
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433 | while (!eof && len < bytelen) { |
430 | while (!eof && len+off < maxlen) { |
434 | 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"); |
435 | marker = psiconv_read_u8(buf,lev+2,off+len,&res); |
432 | marker = psiconv_read_u8(config,buf,lev+2,off+len,&res); |
436 | if (res) |
433 | if (res) |
437 | goto ERROR8; |
434 | goto ERROR8; |
438 | psiconv_debug(lev+3,off+len,"Marker: %02x (%s)",marker, |
435 | psiconv_debug(config,lev+3,off+len,"Marker: %02x (%s)",marker, |
439 | formula_elements[marker].name); |
436 | formula_elements[marker].name); |
440 | len ++; |
437 | len ++; |
441 | |
438 | |
442 | if (formula_elements[marker].formula_type == psiconv_formula_unknown) { |
439 | if (formula_elements[marker].formula_type == psiconv_formula_unknown) { |
443 | psiconv_warn(lev+3,off+len,"Unknown formula marker found!"); |
440 | psiconv_warn(config,lev+3,off+len,"Unknown formula marker found!"); |
444 | goto ERROR8; |
441 | goto ERROR8; |
445 | } else if (formula_elements[marker].formula_type == |
442 | } else if ((formula_elements[marker].formula_type == |
446 | psiconv_formula_mark_eof) { |
443 | psiconv_formula_mark_eof) || |
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444 | (formula_elements[marker].formula_type == |
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445 | psiconv_formula_mark_opend) || |
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446 | (formula_elements[marker].formula_type == |
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447 | psiconv_formula_mark_opsep)) { |
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448 | len--; |
447 | psiconv_progress(lev+3,off+len,"End of formula"); |
449 | psiconv_progress(config,lev+3,off+len,"End of this formula list"); |
448 | eof = 1; |
450 | eof = 1; |
449 | } else if (formula_elements[marker].formula_type == |
451 | } else if (formula_elements[marker].formula_type == |
450 | psiconv_formula_dat_int) { |
452 | psiconv_formula_dat_int) { |
451 | psiconv_progress(lev+3,off+len,"Next item: an integer"); |
453 | psiconv_progress(config,lev+3,off+len,"Next item: an integer"); |
452 | 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); |
453 | if (res) |
455 | if (res) |
454 | goto ERROR8; |
456 | goto ERROR8; |
455 | formula->type = formula_elements[marker].formula_type; |
457 | formula->type = formula_elements[marker].formula_type; |
456 | 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); |
457 | len += 4; |
459 | len += 4; |
458 | if ((res = psiconv_list_add(formula_stack,formula))) |
460 | if ((res = psiconv_list_add(formula_stack,formula))) |
459 | goto ERROR8; |
461 | goto ERROR8; |
460 | formula->type = psiconv_formula_unknown; |
462 | formula->type = psiconv_formula_unknown; |
461 | } else if (formula_elements[marker].formula_type == |
463 | } else if (formula_elements[marker].formula_type == |
462 | psiconv_formula_dat_float) { |
464 | psiconv_formula_dat_float) { |
463 | psiconv_progress(lev+3,off+len,"Next item: a float"); |
465 | psiconv_progress(config,lev+3,off+len,"Next item: a float"); |
464 | 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, |
465 | &res); |
467 | &res); |
466 | if (res) |
468 | if (res) |
467 | goto ERROR8; |
469 | goto ERROR8; |
468 | formula->type = formula_elements[marker].formula_type; |
470 | formula->type = formula_elements[marker].formula_type; |
469 | 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); |
470 | len += leng; |
472 | len += leng; |
471 | if ((res = psiconv_list_add(formula_stack,formula))) |
473 | if ((res = psiconv_list_add(formula_stack,formula))) |
472 | goto ERROR8; |
474 | goto ERROR8; |
473 | formula->type = psiconv_formula_unknown; |
475 | formula->type = psiconv_formula_unknown; |
474 | } else if (formula_elements[marker].formula_type == |
476 | } else if (formula_elements[marker].formula_type == |
475 | psiconv_formula_dat_cellref) { |
477 | psiconv_formula_dat_cellref) { |
476 | psiconv_progress(lev+3,off+len,"Next item: a cell reference"); |
478 | psiconv_progress(config,lev+3,off+len,"Next item: a cell reference"); |
477 | 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, |
478 | &formula->data.dat_cellref))) |
480 | &formula->data.dat_cellref))) |
479 | goto ERROR8; |
481 | goto ERROR8; |
480 | formula->type = formula_elements[marker].formula_type; |
482 | formula->type = formula_elements[marker].formula_type; |
481 | len += leng; |
483 | len += leng; |
482 | if ((res = psiconv_list_add(formula_stack,formula))) |
484 | if ((res = psiconv_list_add(formula_stack,formula))) |
483 | goto ERROR8; |
485 | goto ERROR8; |
484 | formula->type = psiconv_formula_unknown; |
486 | formula->type = psiconv_formula_unknown; |
485 | } else if (formula_elements[marker].formula_type == |
487 | } else if ((formula_elements[marker].formula_type == |
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488 | psiconv_formula_dat_cellblock) || |
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|
489 | (formula_elements[marker].formula_type == |
486 | psiconv_formula_dat_cellblock) { |
490 | psiconv_formula_dat_vcellblock)) { |
487 | psiconv_progress(lev+3,off+len,"Next item: a cell block"); |
491 | psiconv_progress(config,lev+3,off+len,"Next item: a cell block"); |
488 | 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, |
489 | &formula->data.dat_cellblock))) |
493 | &formula->data.dat_cellblock))) |
490 | goto ERROR8; |
494 | goto ERROR8; |
491 | formula->type = formula_elements[marker].formula_type; |
495 | formula->type = formula_elements[marker].formula_type; |
492 | len += leng; |
496 | len += leng; |
493 | if ((res = psiconv_list_add(formula_stack,formula))) |
497 | if ((res = psiconv_list_add(formula_stack,formula))) |
494 | goto ERROR8; |
498 | goto ERROR8; |
495 | formula->type = psiconv_formula_unknown; |
499 | formula->type = psiconv_formula_unknown; |
|
|
500 | } else if (formula_elements[marker].formula_type == |
|
|
501 | psiconv_formula_dat_string) { |
|
|
502 | psiconv_progress(config,lev+3,off+len,"Next item: a string"); |
|
|
503 | formula->data.dat_string = |
|
|
504 | psiconv_read_short_string(config,buf,lev+2,off+len,&leng,&res); |
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|
505 | if (res) |
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|
506 | goto ERROR8; |
|
|
507 | formula->type = formula_elements[marker].formula_type; |
|
|
508 | len += leng; |
|
|
509 | if ((res = psiconv_list_add(formula_stack,formula))) |
|
|
510 | goto ERROR8; |
|
|
511 | formula->type = psiconv_formula_unknown; |
496 | } else if ((formula_elements[marker].formula_type == |
512 | } else if ((formula_elements[marker].formula_type == |
497 | psiconv_formula_dat_var) || |
513 | psiconv_formula_dat_var)) { |
498 | (formula_elements[marker].formula_type == |
514 | psiconv_progress(config,lev+3,off+len,"Next item: a variable reference"); |
499 | psiconv_formula_dat_string) || |
515 | formula->data.dat_variable = psiconv_read_u32(config,buf,lev+2,off+len,&res); |
500 | (formula_elements[marker].formula_type == |
516 | if (res) |
501 | psiconv_formula_dat_vcellblock) || |
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|
502 | (formula_elements[marker].formula_type == |
|
|
503 | psiconv_formula_mark_opsep) || |
|
|
504 | (formula_elements[marker].formula_type == |
|
|
505 | psiconv_formula_mark_opend)) { |
|
|
506 | psiconv_warn(lev+3,off+len,"Not yet supported formula mark!"); |
|
|
507 | 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; |
508 | } else if (formula_elements[marker].number_of_args == -1) { |
523 | } else if (formula_elements[marker].number_of_args == -1) { |
509 | psiconv_warn(lev+3,off+len,"Vararg functions not yet supported!"); |
524 | psiconv_progress(config,lev+3,off+len,"Going to parse a vararg function"); |
|
|
525 | if (!(formula->data.fun_operands = |
|
|
526 | psiconv_list_new(sizeof(*formula)))) |
|
|
527 | goto ERROR8; |
|
|
528 | formula->type = formula_elements[marker].formula_type; |
|
|
529 | nr_of_subs = 0; |
|
|
530 | do { |
|
|
531 | nr_of_subs ++; |
|
|
532 | psiconv_progress(config,lev+4,off+len,"Going to read vararg argument %d", |
|
|
533 | nr_of_subs); |
|
|
534 | if ((res = psiconv_parse_formula_element_list(config,buf,lev+4,off+len,&leng, |
|
|
535 | &subformula,maxlen))) |
|
|
536 | goto ERROR8; |
|
|
537 | len += leng; |
|
|
538 | if ((res = psiconv_list_add(formula->data.fun_operands,subformula))) { |
|
|
539 | psiconv_free_formula(subformula); |
|
|
540 | goto ERROR8; |
|
|
541 | } |
|
|
542 | free(subformula); |
|
|
543 | psiconv_progress(config,lev+4,off+len,"Going to read the next marker"); |
|
|
544 | submarker = psiconv_read_u8(config,buf,lev+4,off+len,&res); |
|
|
545 | len ++; |
|
|
546 | if (res) |
|
|
547 | goto ERROR8; |
|
|
548 | submarker2 = psiconv_read_u8(config,buf,lev+4,off+len,&res); |
|
|
549 | if (res) |
|
|
550 | goto ERROR8; |
|
|
551 | } while ((formula_elements[submarker].formula_type |
|
|
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 | } |
|
|
562 | if (formula_elements[submarker].formula_type |
|
|
563 | != psiconv_formula_mark_opend) { |
|
|
564 | psiconv_warn(config,lev+3,off+len,"Formula corrupted!"); |
|
|
565 | psiconv_debug(config,lev+3,off+len,"Found unexpected marker %02x",submarker); |
510 | goto ERROR8; |
566 | goto ERROR8; |
|
|
567 | } |
|
|
568 | psiconv_progress(config,lev+3,off+len,"Going to read the repeated marker %02x", |
|
|
569 | marker); |
|
|
570 | submarker = psiconv_read_u8(config,buf,lev+3,off+len,&res); |
|
|
571 | if (res) |
|
|
572 | goto ERROR8; |
|
|
573 | if (submarker != marker) { |
|
|
574 | psiconv_warn(config,lev+3,off+len,"Formula corrupted!"); |
|
|
575 | psiconv_debug(config,lev+3,off+len,"Expected marker %02x, found %02x", |
|
|
576 | marker,submarker); |
|
|
577 | goto ERROR8; |
|
|
578 | } |
|
|
579 | len++; |
|
|
580 | psiconv_progress(config,lev+3,off+len, |
|
|
581 | "Going to read the number of arguments (%d expected)", |
|
|
582 | nr_of_subs); |
|
|
583 | temp = psiconv_read_u16(config,buf,lev+3,off+len,&res); |
|
|
584 | if (res) |
|
|
585 | goto ERROR8; |
|
|
586 | if (temp != nr_of_subs) { |
|
|
587 | psiconv_warn(config,lev+3,off+len,"Formula corrupted!"); |
|
|
588 | psiconv_debug(config,lev+3,off+len, |
|
|
589 | "Read %d arguments, but formula says there are %d", |
|
|
590 | nr_of_subs,temp); |
|
|
591 | goto ERROR8; |
|
|
592 | } |
|
|
593 | len += 2; |
|
|
594 | if ((res = psiconv_list_add(formula_stack,formula))) |
|
|
595 | goto ERROR8; |
|
|
596 | formula->type = psiconv_formula_unknown; |
511 | } else { |
597 | } else { |
512 | if (formula_elements[marker].number_of_args > 0) |
598 | if (formula_elements[marker].number_of_args > 0) |
513 | if ((res = psiconv_list_pop(formula_stack,subformula1))) |
599 | if ((res = psiconv_list_pop(formula_stack,subformula1))) |
514 | goto ERROR8; |
600 | goto ERROR8; |
515 | if (formula_elements[marker].number_of_args > 1) |
601 | if (formula_elements[marker].number_of_args > 1) |
… | |
… | |
541 | goto ERROR8; |
627 | goto ERROR8; |
542 | subformula4->type = subformula3->type = subformula2->type = |
628 | subformula4->type = subformula3->type = subformula2->type = |
543 | subformula1->type = formula->type = psiconv_formula_unknown; |
629 | subformula1->type = formula->type = psiconv_formula_unknown; |
544 | } |
630 | } |
545 | } |
631 | } |
546 | if ((len != bytelen) || !eof) { |
632 | if ((len+off > maxlen) || !eof) { |
547 | psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
633 | psiconv_warn(config,lev+2,off+len,"Formula corrupted!"); |
548 | 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", |
549 | bytelen,len); |
635 | maxlen,len+off); |
550 | goto ERROR8; |
636 | goto ERROR8; |
551 | } |
637 | } |
552 | if ((psiconv_list_length(formula_stack)) != 1) { |
638 | if ((psiconv_list_length(formula_stack)) != 1) { |
553 | psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
639 | psiconv_warn(config,lev+2,off+len,"Formula corrupted!"); |
554 | 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)", |
555 | psiconv_list_length(formula_stack)); |
641 | psiconv_list_length(formula_stack)); |
556 | goto ERROR8; |
642 | goto ERROR8; |
557 | } |
643 | } |
558 | if ((res = psiconv_list_pop(formula_stack,*result))) |
644 | if ((res = psiconv_list_pop(formula_stack,*result))) |
559 | goto ERROR8; |
645 | goto ERROR8; |
… | |
… | |
561 | free(formula); |
647 | free(formula); |
562 | |
648 | |
563 | if (length) |
649 | if (length) |
564 | *length = len; |
650 | *length = len; |
565 | |
651 | |
566 | psiconv_progress(lev,off+len-1, |
652 | psiconv_progress(config,lev,off+len-1, |
567 | "End of formula (total length: %08x)", len); |
653 | "End of formula element list (total length: %08x)", len); |
568 | return 0; |
654 | return 0; |
569 | |
655 | |
570 | ERROR8: |
656 | ERROR8: |
571 | psiconv_free_formula(subformula4); |
657 | psiconv_free_formula(subformula4); |
572 | ERROR7: |
658 | ERROR7: |
… | |
… | |
580 | ERROR3: |
666 | ERROR3: |
581 | psiconv_free_formula_list(formula_stack); |
667 | psiconv_free_formula_list(formula_stack); |
582 | ERROR2: |
668 | ERROR2: |
583 | free (*result); |
669 | free (*result); |
584 | ERROR1: |
670 | ERROR1: |
585 | psiconv_warn(lev+1,off,"Reading of formula failed"); |
671 | psiconv_warn(config,lev+1,off,"Reading of formula element list failed"); |
586 | if (length) |
672 | if (length) |
587 | *length = 0; |
673 | *length = 0; |
588 | if (!res) |
674 | if (!res) |
589 | return -PSICONV_E_NOMEM; |
675 | return -PSICONV_E_NOMEM; |
590 | else |
676 | else |
591 | return res; |
677 | return res; |
592 | } |
678 | } |
593 | |
679 | |
|
|
680 | |
|
|
681 | |
|
|
682 | |
|
|
683 | int psiconv_parse_formula(const psiconv_config config, |
|
|
684 | const psiconv_buffer buf, int lev, |
|
|
685 | psiconv_u32 off, int *length, |
|
|
686 | psiconv_formula *result) |
|
|
687 | { |
|
|
688 | int res=0; |
|
|
689 | int len=0; |
|
|
690 | int leng; |
|
|
691 | psiconv_u32 bytelen,formula_end; |
|
|
692 | psiconv_u8 temp; |
|
|
693 | |
|
|
694 | psiconv_progress(config,lev+1,off,"Going to read a formula"); |
|
|
695 | |
|
|
696 | psiconv_progress(config,lev+2,off+len, |
|
|
697 | "Going to read the formula byte length"); |
|
|
698 | bytelen = psiconv_read_S(config,buf,lev+2,off+len,&leng,&res); |
|
|
699 | if (res) |
|
|
700 | goto ERROR1; |
|
|
701 | psiconv_debug(config,lev+2,off+len,"Formula byte length: %d",bytelen); |
|
|
702 | len += leng; |
|
|
703 | bytelen += len; |
|
|
704 | formula_end = off + bytelen; |
|
|
705 | |
|
|
706 | psiconv_progress(config,lev+2,off+len,"Going to read the formula elements list"); |
|
|
707 | if ((res = psiconv_parse_formula_element_list(config,buf,lev+2,off+len,&leng, |
|
|
708 | result,formula_end))) |
|
|
709 | goto ERROR1; |
|
|
710 | len += leng; |
|
|
711 | |
|
|
712 | psiconv_progress(config,lev+2,off+len,"Going to read the eof marker"); |
|
|
713 | temp = psiconv_read_u8(config,buf,lev+2,off+len,&res); |
|
|
714 | if (res) |
|
|
715 | goto ERROR2; |
|
|
716 | if (formula_elements[temp].formula_type != psiconv_formula_mark_eof) { |
|
|
717 | psiconv_warn(config,lev+2,off+len,"Formula corrupted!"); |
|
|
718 | psiconv_debug(config,lev+2,off+len,"Expected marker: %02x, found byte: %02x", |
|
|
719 | 0x15,temp); |
|
|
720 | goto ERROR2; |
|
|
721 | } |
|
|
722 | len ++; |
|
|
723 | |
|
|
724 | if (off+len != formula_end) { |
|
|
725 | psiconv_warn(config,lev+2,off+len,"Formula corrupted!"); |
|
|
726 | psiconv_debug(config,lev+2,off+len,"Expected end: %04x, found end: %04x", |
|
|
727 | formula_end,len+off); |
|
|
728 | goto ERROR2; |
|
|
729 | } |
|
|
730 | |
|
|
731 | if (length) |
|
|
732 | *length = len; |
|
|
733 | |
|
|
734 | psiconv_progress(config,lev,off+len-1, |
|
|
735 | "End of formula (total length: %08x)", len); |
|
|
736 | return 0; |
|
|
737 | |
|
|
738 | ERROR2: |
|
|
739 | psiconv_free_formula(*result); |
|
|
740 | ERROR1: |
|
|
741 | psiconv_warn(config,lev+1,off,"Reading of formula failed"); |
|
|
742 | if (length) |
|
|
743 | *length = 0; |
|
|
744 | if (!res) |
|
|
745 | return -PSICONV_E_NOMEM; |
|
|
746 | else |
|
|
747 | return res; |
|
|
748 | } |
|
|
749 | |
|
|
750 | |