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frodo |
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/* |
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parse_formula.c - Part of psiconv, a PSION 5 file formats converter |
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Copyright (c) 2001 Frodo Looijaard <frodol@dds.nl> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include "config.h" |
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#include "compat.h" |
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#include <stdlib.h> |
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#include "parse_routines.h" |
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#include "error.h" |
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frodo |
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#ifdef DMALLOC |
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#include <dmalloc.h> |
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#endif |
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frodo |
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struct formula_element |
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{ |
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psiconv_formula_type_t formula_type; |
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int number_of_args; |
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const char* name; |
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}; |
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static struct formula_element formula_elements[256] = |
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{ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* 0 */ |
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{psiconv_formula_op_lt,2,"<"}, |
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{psiconv_formula_op_le,2,"<="}, |
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{psiconv_formula_op_gt,2,">"}, |
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{psiconv_formula_op_ge,2,">="}, |
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{psiconv_formula_op_ne,2,"<>"}, |
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{psiconv_formula_op_eq,2,"="}, |
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{psiconv_formula_op_add,2,"+"}, |
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{psiconv_formula_op_sub,2,"-"}, |
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{psiconv_formula_op_mul,2,"*"}, |
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{psiconv_formula_op_div,2,"/"}, |
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{psiconv_formula_op_pow,2,"^"}, |
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{psiconv_formula_op_pos,1,"+"}, |
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{psiconv_formula_op_neg,1,"-"}, |
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frodo |
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{psiconv_formula_op_not,1,"NOT"}, |
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{psiconv_formula_op_and,2,"AND"}, |
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frodo |
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{psiconv_formula_op_or,2,"OR"}, /* 10 */ |
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frodo |
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{psiconv_formula_op_con,2,"&"}, |
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frodo |
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{psiconv_formula_op_bra,1,"()"}, |
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frodo |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_mark_eof,0,"End of formula"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_dat_float,0,"Floating point number"}, |
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{psiconv_formula_dat_int,0,"Signed integer number"}, /* 20 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_dat_var,0,"Named variable"}, |
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{psiconv_formula_dat_string,0,"String"}, |
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{psiconv_formula_dat_cellref,0,"Cell reference"}, |
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{psiconv_formula_dat_cellblock,0,"Cell block"}, |
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{psiconv_formula_dat_vcellblock,0,"Cell block {varargs}"}, |
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{psiconv_formula_mark_opsep,0,"Operand separator"}, |
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{psiconv_formula_mark_opend,0,"Operand list end"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* 30 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_fun_false,0,"FALSE"}, |
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{psiconv_formula_fun_if,3,"IF"}, |
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{psiconv_formula_fun_true,0,"TRUE"}, |
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{psiconv_formula_fun_cell,2,"CELL"}, |
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{psiconv_formula_fun_errortype,0,"ERRORTYPE"}, |
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{psiconv_formula_fun_isblank,1,"ISBLANK"}, |
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{psiconv_formula_fun_iserr,1,"ISERR"}, |
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{psiconv_formula_fun_iserror,1,"ISERROR"}, |
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{psiconv_formula_fun_islogical,1,"ISLOGICAL"}, |
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{psiconv_formula_fun_isna,1,"ISNA"}, |
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{psiconv_formula_fun_isnontext,1,"ISNONTEXT"}, |
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{psiconv_formula_fun_isnumber,1,"ISNUMBER"}, |
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{psiconv_formula_fun_istext,1,"ISTEXT"}, |
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{psiconv_formula_fun_n,1,"N"}, /* 40 */ |
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{psiconv_formula_fun_type,1,"TYPE"}, |
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{psiconv_formula_fun_address,2,"ADDRESS"}, |
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{psiconv_formula_fun_column,1,"COLUMN"}, |
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{psiconv_formula_fun_columns,1,"COLUMNS"}, |
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{psiconv_formula_fun_hlookup,3,"HLOOKUP"}, |
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{psiconv_formula_fun_index,3,"INDEX"}, |
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{psiconv_formula_fun_indirect,1,"INDIRECT"}, |
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{psiconv_formula_fun_lookup,3,"LOOKUP"}, |
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{psiconv_formula_fun_offset,3,"OFFSET"}, |
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{psiconv_formula_fun_row,1,"ROW"}, |
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{psiconv_formula_fun_rows,1,"ROWS"}, |
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{psiconv_formula_fun_vlookup,3,"VLOOKUP"}, |
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{psiconv_formula_fun_char,1,"CHAR"}, |
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{psiconv_formula_fun_code,1,"CODE"}, |
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{psiconv_formula_fun_exact,2,"EXACT"}, |
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{psiconv_formula_fun_find,3,"FIND"}, /* 50 */ |
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{psiconv_formula_fun_left,2,"LEFT"}, |
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{psiconv_formula_fun_len,1,"LEN"}, |
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{psiconv_formula_fun_lower,1,"LOWER"}, |
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{psiconv_formula_fun_mid,3,"MID"}, |
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{psiconv_formula_fun_proper,1,"PROPER"}, |
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{psiconv_formula_fun_replace,4,"REPLACE"}, |
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{psiconv_formula_fun_rept,2,"REPT"}, |
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{psiconv_formula_fun_right,2,"RIGHT"}, |
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{psiconv_formula_fun_string,2,"STRING"}, |
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{psiconv_formula_fun_t,1,"T"}, |
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{psiconv_formula_fun_trim,1,"TRIM"}, |
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{psiconv_formula_fun_upper,1,"UPPER"}, |
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{psiconv_formula_fun_value,1,"VALUE"}, |
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{psiconv_formula_fun_date,3,"DATE"}, |
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{psiconv_formula_fun_datevalue,1,"DATEVALUE"}, |
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{psiconv_formula_fun_day,1,"DAY"}, /* 60 */ |
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{psiconv_formula_fun_hour,1,"HOUR"}, |
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{psiconv_formula_fun_minute,1,"MINUTE"}, |
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{psiconv_formula_fun_month,1,"MONTH"}, |
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{psiconv_formula_fun_now,0,"NOW"}, |
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{psiconv_formula_fun_second,1,"SECOND"}, |
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{psiconv_formula_fun_today,0,"TODAY"}, |
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{psiconv_formula_fun_time,3,"TIME"}, |
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{psiconv_formula_fun_timevalue,1,"TIMEVALUE"}, |
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{psiconv_formula_fun_year,1,"YEAR"}, |
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{psiconv_formula_fun_abs,1,"ABS"}, |
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{psiconv_formula_fun_acos,1,"ACOS"}, |
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{psiconv_formula_fun_asin,1,"ASIN"}, |
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{psiconv_formula_fun_atan,1,"ATAN"}, |
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{psiconv_formula_fun_atan2,2,"ATAN2"}, |
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{psiconv_formula_fun_cos,1,"COS"}, |
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{psiconv_formula_fun_degrees,0,"DEGREES"}, /* 70 */ |
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{psiconv_formula_fun_exp,1,"EXP"}, |
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{psiconv_formula_fun_fact,1,"FACT"}, |
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{psiconv_formula_fun_int,1,"INT"}, |
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{psiconv_formula_fun_ln,1,"LN"}, |
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{psiconv_formula_fun_log10,1,"LOG10"}, |
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{psiconv_formula_fun_mod,2,"MOD"}, |
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{psiconv_formula_fun_pi,0,"PI"}, |
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{psiconv_formula_fun_radians,1,"RADIANS"}, |
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{psiconv_formula_fun_rand,0,"RAND"}, |
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{psiconv_formula_fun_round,2,"ROUND"}, |
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{psiconv_formula_fun_sign,1,"SIGN"}, |
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{psiconv_formula_fun_sin,1,"SIN"}, |
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{psiconv_formula_fun_sqrt,1,"SQRT"}, |
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{psiconv_formula_fun_sumproduct,2,"SUMPRODUCT"}, |
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{psiconv_formula_fun_tan,1,"TAN"}, |
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{psiconv_formula_fun_trunc,1,"TRUNC"}, /* 80 */ |
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{psiconv_formula_fun_cterm,3,"CTERM"}, |
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{psiconv_formula_fun_ddb,4,"DDB"}, |
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{psiconv_formula_fun_fv,3,"FV"}, |
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{psiconv_formula_fun_irr,2,"IRR"}, |
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{psiconv_formula_fun_npv,2,"NPV"}, |
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{psiconv_formula_fun_pmt,3,"PMT"}, |
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{psiconv_formula_fun_pv,3,"PV"}, |
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{psiconv_formula_fun_rate,3,"RATE"}, |
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{psiconv_formula_fun_sln,3,"SLN"}, |
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{psiconv_formula_fun_syd,4,"SYD"}, |
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{psiconv_formula_fun_term,3,"TERM"}, |
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{psiconv_formula_fun_combin,2,"COMBIN"}, |
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{psiconv_formula_fun_permut,2,"PERMUT"}, |
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{psiconv_formula_vfn_average,-1,"AVERAGE"}, |
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{psiconv_formula_vfn_choose,-1,"CHOOSE"}, |
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{psiconv_formula_vfn_count,-1,"COUNT"}, /* 90 */ |
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{psiconv_formula_vfn_counta,-1,"COUNTA"}, |
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{psiconv_formula_vfn_countblank,-1,"COUNTBLANK"}, |
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{psiconv_formula_vfn_max,-1,"MAX"}, |
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{psiconv_formula_vfn_min,-1,"MIN"}, |
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{psiconv_formula_vfn_product,-1,"PRODUCT"}, |
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{psiconv_formula_vfn_stdevp,-1,"STDEVP"}, |
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{psiconv_formula_vfn_stdev,-1,"STDEV"}, |
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{psiconv_formula_vfn_sum,-1,"SUM"}, |
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{psiconv_formula_vfn_sumsq,-1,"SUMSQ"}, |
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{psiconv_formula_vfn_varp,-1,"VARP"}, |
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{psiconv_formula_vfn_var,-1,"VAR"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* A0 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* B0 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* C0 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* D0 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* E0 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* F0 */ |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
287 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
292 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
293 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
294 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}}; |
295 |
|
|
|
296 |
frodo |
102 |
static int psiconv_parse_sheet_ref(const psiconv_buffer buf,int lev, |
297 |
|
|
psiconv_u32 off, int *length, |
298 |
|
|
psiconv_sheet_ref_t *result) |
299 |
|
|
{ |
300 |
|
|
int res; |
301 |
|
|
psiconv_u16 temp; |
302 |
|
|
|
303 |
|
|
psiconv_progress(lev+1,off,"Going to read a sheet ref"); |
304 |
|
|
psiconv_progress(lev+2,off,"Going to read the offset encoding"); |
305 |
|
|
temp = psiconv_read_u16(buf,lev+2,off,&res); |
306 |
|
|
if (res) { |
307 |
|
|
if (length) |
308 |
|
|
*length = 0; |
309 |
|
|
return res; |
310 |
|
|
} |
311 |
|
|
psiconv_debug(lev+2,off,"Encoded word: %04x",temp); |
312 |
|
|
result->absolute = (temp & 0x4000)?psiconv_bool_true:psiconv_bool_false; |
313 |
|
|
result->offset = (temp & 0x3fff) * ((temp & 0x8000)?-1:1); |
314 |
|
|
psiconv_debug(lev+2,off,"Reference: %s offset %d", |
315 |
|
|
result->absolute?"absolute":"relative",result->offset); |
316 |
|
|
if (length) |
317 |
|
|
*length = 2; |
318 |
|
|
return 0; |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
static int psiconv_parse_sheet_cell_reference(const psiconv_buffer buf,int lev, |
322 |
|
|
psiconv_u32 off, int *length, |
323 |
|
|
psiconv_sheet_cell_reference_t *result) |
324 |
|
|
{ |
325 |
|
|
int len = 0; |
326 |
|
|
int leng,res; |
327 |
|
|
psiconv_u8 temp; |
328 |
|
|
|
329 |
|
|
psiconv_progress(lev+1,off+len,"Going to read a sheet cell reference"); |
330 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the row reference"); |
331 |
|
|
if ((res = psiconv_parse_sheet_ref(buf,lev+2,off+len,&leng,&result->row))) |
332 |
|
|
goto ERROR; |
333 |
|
|
len += leng; |
334 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the column reference"); |
335 |
|
|
if ((res = psiconv_parse_sheet_ref(buf,lev+2,off+len,&leng,&result->column))) |
336 |
|
|
goto ERROR; |
337 |
|
|
len += leng; |
338 |
|
|
|
339 |
|
|
psiconv_progress(lev+2,off+len, |
340 |
|
|
"Going to read the trailing byte (%02x expected)",0); |
341 |
|
|
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
342 |
|
|
if (res) |
343 |
|
|
goto ERROR; |
344 |
|
|
if (temp != 0) { |
345 |
|
|
psiconv_warn(lev+2,off+len,"Unknown byte in cell reference (ignored"); |
346 |
|
|
psiconv_debug(lev+2,off+len,"Trailing byte: %02x",temp); |
347 |
|
|
} |
348 |
|
|
len ++; |
349 |
|
|
psiconv_progress(lev,off+len-1, |
350 |
|
|
"End of cell reference (total length: %08x)", len); |
351 |
|
|
if (length) |
352 |
|
|
*length = len; |
353 |
|
|
return 0; |
354 |
|
|
ERROR: |
355 |
|
|
if (length) |
356 |
|
|
*length = 0; |
357 |
|
|
return res; |
358 |
|
|
} |
359 |
|
|
|
360 |
|
|
static int psiconv_parse_sheet_cell_block(const psiconv_buffer buf,int lev, |
361 |
|
|
psiconv_u32 off, int *length, |
362 |
|
|
psiconv_sheet_cell_block_t *result) |
363 |
|
|
{ |
364 |
|
|
int len = 0; |
365 |
|
|
int leng,res; |
366 |
|
|
|
367 |
|
|
psiconv_progress(lev+1,off+len,"Going to read a sheet cell block"); |
368 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the first cell"); |
369 |
|
|
if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
370 |
|
|
&result->first))) |
371 |
|
|
goto ERROR; |
372 |
|
|
len += leng; |
373 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the last cell"); |
374 |
|
|
if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
375 |
|
|
&result->last))) |
376 |
|
|
goto ERROR; |
377 |
|
|
len += leng; |
378 |
|
|
psiconv_progress(lev,off+len-1, |
379 |
|
|
"End of cell block (total length: %08x)", len); |
380 |
|
|
if (length) |
381 |
|
|
*length = len; |
382 |
|
|
return 0; |
383 |
|
|
ERROR: |
384 |
|
|
if (length) |
385 |
|
|
*length = 0; |
386 |
|
|
return res; |
387 |
|
|
} |
388 |
|
|
|
389 |
frodo |
105 |
static int psiconv_parse_formula_element_list(const psiconv_buffer buf, int lev, |
390 |
|
|
psiconv_u32 off, int *length, |
391 |
|
|
psiconv_formula *result, |
392 |
|
|
psiconv_u32 maxlen) |
393 |
frodo |
100 |
{ |
394 |
|
|
int res=0; |
395 |
|
|
int len=0; |
396 |
|
|
int leng; |
397 |
|
|
int eof = 0; |
398 |
frodo |
129 |
psiconv_u8 marker,submarker,submarker2; |
399 |
frodo |
100 |
psiconv_formula_list formula_stack; |
400 |
frodo |
106 |
psiconv_formula formula,subformula,subformula1,subformula2, |
401 |
|
|
subformula3,subformula4; |
402 |
|
|
psiconv_u16 temp,nr_of_subs; |
403 |
frodo |
100 |
|
404 |
frodo |
105 |
psiconv_progress(lev+1,off,"Going to read a formula element list"); |
405 |
frodo |
100 |
if (!(*result = malloc(sizeof(**result)))) |
406 |
|
|
goto ERROR1; |
407 |
|
|
if (!(formula_stack = psiconv_list_new(sizeof(struct psiconv_formula_s)))) |
408 |
|
|
goto ERROR2; |
409 |
|
|
if (!(formula = malloc(sizeof(*formula)))) |
410 |
|
|
goto ERROR3; |
411 |
|
|
/* By setting the type to unknown, we can safely call psiconv_free_formula */ |
412 |
|
|
formula->type = psiconv_formula_unknown; |
413 |
|
|
if (!(subformula1 = malloc(sizeof(*subformula1)))) |
414 |
|
|
goto ERROR4; |
415 |
|
|
subformula1->type = psiconv_formula_unknown; |
416 |
|
|
if (!(subformula2 = malloc(sizeof(*subformula2)))) |
417 |
|
|
goto ERROR5; |
418 |
|
|
subformula2->type = psiconv_formula_unknown; |
419 |
|
|
if (!(subformula3 = malloc(sizeof(*subformula3)))) |
420 |
|
|
goto ERROR6; |
421 |
|
|
subformula3->type = psiconv_formula_unknown; |
422 |
|
|
if (!(subformula4 = malloc(sizeof(*subformula4)))) |
423 |
|
|
goto ERROR7; |
424 |
|
|
subformula4->type = psiconv_formula_unknown; |
425 |
|
|
|
426 |
frodo |
105 |
while (!eof && len+off < maxlen) { |
427 |
frodo |
100 |
psiconv_progress(lev+3,off+len,"Going to read a formula item marker"); |
428 |
|
|
marker = psiconv_read_u8(buf,lev+2,off+len,&res); |
429 |
|
|
if (res) |
430 |
|
|
goto ERROR8; |
431 |
|
|
psiconv_debug(lev+3,off+len,"Marker: %02x (%s)",marker, |
432 |
|
|
formula_elements[marker].name); |
433 |
|
|
len ++; |
434 |
|
|
|
435 |
|
|
if (formula_elements[marker].formula_type == psiconv_formula_unknown) { |
436 |
|
|
psiconv_warn(lev+3,off+len,"Unknown formula marker found!"); |
437 |
|
|
goto ERROR8; |
438 |
frodo |
105 |
} else if ((formula_elements[marker].formula_type == |
439 |
|
|
psiconv_formula_mark_eof) || |
440 |
|
|
(formula_elements[marker].formula_type == |
441 |
|
|
psiconv_formula_mark_opend) || |
442 |
|
|
(formula_elements[marker].formula_type == |
443 |
|
|
psiconv_formula_mark_opsep)) { |
444 |
|
|
len--; |
445 |
|
|
psiconv_progress(lev+3,off+len,"End of this formula list"); |
446 |
frodo |
100 |
eof = 1; |
447 |
|
|
} else if (formula_elements[marker].formula_type == |
448 |
|
|
psiconv_formula_dat_int) { |
449 |
|
|
psiconv_progress(lev+3,off+len,"Next item: an integer"); |
450 |
|
|
formula->data.dat_int = psiconv_read_u32(buf,lev+2,off+len,&res); |
451 |
|
|
if (res) |
452 |
|
|
goto ERROR8; |
453 |
|
|
formula->type = formula_elements[marker].formula_type; |
454 |
|
|
psiconv_debug(lev+3,off+len,"Value: %08x",formula->data.dat_int); |
455 |
|
|
len += 4; |
456 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
457 |
|
|
goto ERROR8; |
458 |
|
|
formula->type = psiconv_formula_unknown; |
459 |
frodo |
101 |
} else if (formula_elements[marker].formula_type == |
460 |
|
|
psiconv_formula_dat_float) { |
461 |
|
|
psiconv_progress(lev+3,off+len,"Next item: a float"); |
462 |
|
|
formula->data.dat_float = psiconv_read_float(buf,lev+2,off+len,&leng, |
463 |
|
|
&res); |
464 |
|
|
if (res) |
465 |
|
|
goto ERROR8; |
466 |
|
|
formula->type = formula_elements[marker].formula_type; |
467 |
|
|
psiconv_debug(lev+3,off+len,"Value: %f",formula->data.dat_float); |
468 |
|
|
len += leng; |
469 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
470 |
|
|
goto ERROR8; |
471 |
|
|
formula->type = psiconv_formula_unknown; |
472 |
frodo |
102 |
} else if (formula_elements[marker].formula_type == |
473 |
|
|
psiconv_formula_dat_cellref) { |
474 |
|
|
psiconv_progress(lev+3,off+len,"Next item: a cell reference"); |
475 |
|
|
if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
476 |
|
|
&formula->data.dat_cellref))) |
477 |
|
|
goto ERROR8; |
478 |
|
|
formula->type = formula_elements[marker].formula_type; |
479 |
|
|
len += leng; |
480 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
481 |
|
|
goto ERROR8; |
482 |
|
|
formula->type = psiconv_formula_unknown; |
483 |
frodo |
106 |
} else if ((formula_elements[marker].formula_type == |
484 |
|
|
psiconv_formula_dat_cellblock) || |
485 |
|
|
(formula_elements[marker].formula_type == |
486 |
|
|
psiconv_formula_dat_vcellblock)) { |
487 |
frodo |
102 |
psiconv_progress(lev+3,off+len,"Next item: a cell block"); |
488 |
|
|
if ((res = psiconv_parse_sheet_cell_block(buf,lev+2,off+len,&leng, |
489 |
|
|
&formula->data.dat_cellblock))) |
490 |
|
|
goto ERROR8; |
491 |
|
|
formula->type = formula_elements[marker].formula_type; |
492 |
|
|
len += leng; |
493 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
494 |
|
|
goto ERROR8; |
495 |
|
|
formula->type = psiconv_formula_unknown; |
496 |
frodo |
103 |
} else if (formula_elements[marker].formula_type == |
497 |
|
|
psiconv_formula_dat_string) { |
498 |
|
|
psiconv_progress(lev+3,off+len,"Next item: a string"); |
499 |
|
|
formula->data.dat_string = |
500 |
frodo |
110 |
psiconv_read_short_string(buf,lev+2,off+len,&leng,&res); |
501 |
frodo |
103 |
if (res) |
502 |
|
|
goto ERROR8; |
503 |
|
|
formula->type = formula_elements[marker].formula_type; |
504 |
|
|
len += leng; |
505 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
506 |
|
|
goto ERROR8; |
507 |
|
|
formula->type = psiconv_formula_unknown; |
508 |
frodo |
100 |
} else if ((formula_elements[marker].formula_type == |
509 |
frodo |
129 |
psiconv_formula_dat_var)) { |
510 |
|
|
psiconv_progress(lev+3,off+len,"Next item: a variable reference"); |
511 |
|
|
formula->data.dat_variable = psiconv_read_u32(buf,lev+2,off+len,&res); |
512 |
|
|
if (res) |
513 |
|
|
goto ERROR8; |
514 |
|
|
formula->type = formula_elements[marker].formula_type; |
515 |
|
|
len += 4; |
516 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
517 |
|
|
goto ERROR8; |
518 |
|
|
formula->type = psiconv_formula_unknown; |
519 |
frodo |
100 |
} else if (formula_elements[marker].number_of_args == -1) { |
520 |
frodo |
106 |
psiconv_progress(lev+3,off+len,"Going to parse a vararg function"); |
521 |
|
|
if (!(formula->data.fun_operands = |
522 |
|
|
psiconv_list_new(sizeof(*formula)))) |
523 |
|
|
goto ERROR8; |
524 |
|
|
formula->type = formula_elements[marker].formula_type; |
525 |
|
|
nr_of_subs = 0; |
526 |
|
|
do { |
527 |
|
|
nr_of_subs ++; |
528 |
|
|
psiconv_progress(lev+4,off+len,"Going to read vararg argument %d", |
529 |
|
|
nr_of_subs); |
530 |
|
|
if ((res = psiconv_parse_formula_element_list(buf,lev+4,off+len,&leng, |
531 |
|
|
&subformula,maxlen))) |
532 |
|
|
goto ERROR8; |
533 |
|
|
len += leng; |
534 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula))) { |
535 |
|
|
psiconv_free_formula(subformula); |
536 |
|
|
goto ERROR8; |
537 |
|
|
} |
538 |
|
|
free(subformula); |
539 |
|
|
psiconv_progress(lev+4,off+len,"Going to read the next marker"); |
540 |
|
|
submarker = psiconv_read_u8(buf,lev+4,off+len,&res); |
541 |
|
|
len ++; |
542 |
|
|
if (res) |
543 |
|
|
goto ERROR8; |
544 |
frodo |
129 |
submarker2 = psiconv_read_u8(buf,lev+4,off+len,&res); |
545 |
|
|
if (res) |
546 |
|
|
goto ERROR8; |
547 |
|
|
} while ((formula_elements[submarker].formula_type |
548 |
|
|
== psiconv_formula_mark_opsep) && |
549 |
|
|
(formula_elements[submarker2].formula_type |
550 |
|
|
!= psiconv_formula_mark_opend)); |
551 |
|
|
if ((formula_elements[submarker].formula_type == |
552 |
|
|
psiconv_formula_mark_opsep) && |
553 |
|
|
(formula_elements[submarker2].formula_type == |
554 |
|
|
psiconv_formula_mark_opend)) { |
555 |
|
|
submarker=submarker2; |
556 |
|
|
len++; |
557 |
|
|
} |
558 |
frodo |
106 |
if (formula_elements[submarker].formula_type |
559 |
|
|
!= psiconv_formula_mark_opend) { |
560 |
|
|
psiconv_warn(lev+3,off+len,"Formula corrupted!"); |
561 |
|
|
psiconv_debug(lev+3,off+len,"Found unexpected marker %02x",submarker); |
562 |
|
|
goto ERROR8; |
563 |
|
|
} |
564 |
|
|
psiconv_progress(lev+3,off+len,"Going to read the repeated marker %02x", |
565 |
|
|
marker); |
566 |
|
|
submarker = psiconv_read_u8(buf,lev+3,off+len,&res); |
567 |
|
|
if (res) |
568 |
|
|
goto ERROR8; |
569 |
|
|
if (submarker != marker) { |
570 |
|
|
psiconv_warn(lev+3,off+len,"Formula corrupted!"); |
571 |
|
|
psiconv_debug(lev+3,off+len,"Expected marker %02x, found %02x", |
572 |
|
|
marker,submarker); |
573 |
|
|
goto ERROR8; |
574 |
|
|
} |
575 |
|
|
len++; |
576 |
|
|
psiconv_progress(lev+3,off+len, |
577 |
|
|
"Going to read the number of arguments (%d expected)", |
578 |
|
|
nr_of_subs); |
579 |
|
|
temp = psiconv_read_u16(buf,lev+3,off+len,&res); |
580 |
|
|
if (res) |
581 |
|
|
goto ERROR8; |
582 |
|
|
if (temp != nr_of_subs) { |
583 |
|
|
psiconv_warn(lev+3,off+len,"Formula corrupted!"); |
584 |
|
|
psiconv_debug(lev+3,off+len, |
585 |
|
|
"Read %d arguments, but formula says there are %d", |
586 |
|
|
nr_of_subs,temp); |
587 |
|
|
goto ERROR8; |
588 |
|
|
} |
589 |
|
|
len += 2; |
590 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
591 |
|
|
goto ERROR8; |
592 |
|
|
formula->type = psiconv_formula_unknown; |
593 |
frodo |
100 |
} else { |
594 |
|
|
if (formula_elements[marker].number_of_args > 0) |
595 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula1))) |
596 |
|
|
goto ERROR8; |
597 |
|
|
if (formula_elements[marker].number_of_args > 1) |
598 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula2))) |
599 |
|
|
goto ERROR8; |
600 |
|
|
if (formula_elements[marker].number_of_args > 2) |
601 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula3))) |
602 |
|
|
goto ERROR8; |
603 |
|
|
if (formula_elements[marker].number_of_args > 3) |
604 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula4))) |
605 |
|
|
goto ERROR8; |
606 |
|
|
if (!(formula->data.fun_operands = |
607 |
|
|
psiconv_list_new(sizeof(*formula)))) |
608 |
|
|
goto ERROR8; |
609 |
|
|
formula->type = formula_elements[marker].formula_type; |
610 |
|
|
if (formula_elements[marker].number_of_args > 3) |
611 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula4))) |
612 |
|
|
goto ERROR8; |
613 |
|
|
if (formula_elements[marker].number_of_args > 2) |
614 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula3))) |
615 |
|
|
goto ERROR8; |
616 |
|
|
if (formula_elements[marker].number_of_args > 1) |
617 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula2))) |
618 |
|
|
goto ERROR8; |
619 |
|
|
if (formula_elements[marker].number_of_args > 0) |
620 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula1))) |
621 |
|
|
goto ERROR8; |
622 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
623 |
|
|
goto ERROR8; |
624 |
|
|
subformula4->type = subformula3->type = subformula2->type = |
625 |
|
|
subformula1->type = formula->type = psiconv_formula_unknown; |
626 |
|
|
} |
627 |
|
|
} |
628 |
frodo |
105 |
if ((len+off > maxlen) || !eof) { |
629 |
frodo |
100 |
psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
630 |
|
|
psiconv_debug(lev+2,off+len,"Expected end: %04x, found end: %04x", |
631 |
frodo |
105 |
maxlen,len+off); |
632 |
frodo |
100 |
goto ERROR8; |
633 |
|
|
} |
634 |
|
|
if ((psiconv_list_length(formula_stack)) != 1) { |
635 |
|
|
psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
636 |
|
|
psiconv_debug(lev+2,off+len,"More than one item left on the stack (%d)", |
637 |
|
|
psiconv_list_length(formula_stack)); |
638 |
|
|
goto ERROR8; |
639 |
|
|
} |
640 |
|
|
if ((res = psiconv_list_pop(formula_stack,*result))) |
641 |
|
|
goto ERROR8; |
642 |
|
|
psiconv_list_free(formula_stack); |
643 |
|
|
free(formula); |
644 |
|
|
|
645 |
|
|
if (length) |
646 |
|
|
*length = len; |
647 |
|
|
|
648 |
|
|
psiconv_progress(lev,off+len-1, |
649 |
frodo |
105 |
"End of formula element list (total length: %08x)", len); |
650 |
frodo |
100 |
return 0; |
651 |
|
|
|
652 |
|
|
ERROR8: |
653 |
|
|
psiconv_free_formula(subformula4); |
654 |
|
|
ERROR7: |
655 |
|
|
psiconv_free_formula(subformula3); |
656 |
|
|
ERROR6: |
657 |
|
|
psiconv_free_formula(subformula2); |
658 |
|
|
ERROR5: |
659 |
|
|
psiconv_free_formula(subformula1); |
660 |
|
|
ERROR4: |
661 |
|
|
psiconv_free_formula(formula); |
662 |
|
|
ERROR3: |
663 |
|
|
psiconv_free_formula_list(formula_stack); |
664 |
|
|
ERROR2: |
665 |
|
|
free (*result); |
666 |
|
|
ERROR1: |
667 |
frodo |
105 |
psiconv_warn(lev+1,off,"Reading of formula element list failed"); |
668 |
|
|
if (length) |
669 |
|
|
*length = 0; |
670 |
|
|
if (!res) |
671 |
|
|
return -PSICONV_E_NOMEM; |
672 |
|
|
else |
673 |
|
|
return res; |
674 |
|
|
} |
675 |
|
|
|
676 |
|
|
|
677 |
|
|
|
678 |
|
|
|
679 |
|
|
int psiconv_parse_formula(const psiconv_buffer buf, int lev, |
680 |
|
|
psiconv_u32 off, int *length, |
681 |
|
|
psiconv_formula *result) |
682 |
|
|
{ |
683 |
|
|
int res=0; |
684 |
|
|
int len=0; |
685 |
|
|
int leng; |
686 |
|
|
psiconv_u32 bytelen,formula_end; |
687 |
|
|
psiconv_u8 temp; |
688 |
|
|
|
689 |
|
|
psiconv_progress(lev+1,off,"Going to read a formula"); |
690 |
|
|
|
691 |
|
|
psiconv_progress(lev+2,off+len, |
692 |
|
|
"Going to read the formula byte length"); |
693 |
|
|
bytelen = psiconv_read_S(buf,lev+2,off+len,&leng,&res); |
694 |
|
|
if (res) |
695 |
|
|
goto ERROR1; |
696 |
|
|
psiconv_debug(lev+2,off+len,"Formula byte length: %d",bytelen); |
697 |
|
|
len += leng; |
698 |
|
|
bytelen += len; |
699 |
|
|
formula_end = off + bytelen; |
700 |
|
|
|
701 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the formula elements list"); |
702 |
|
|
if ((res = psiconv_parse_formula_element_list(buf,lev+2,off+len,&leng, |
703 |
|
|
result,formula_end))) |
704 |
|
|
goto ERROR1; |
705 |
|
|
len += leng; |
706 |
|
|
|
707 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the eof marker"); |
708 |
|
|
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
709 |
|
|
if (res) |
710 |
|
|
goto ERROR2; |
711 |
|
|
if (formula_elements[temp].formula_type != psiconv_formula_mark_eof) { |
712 |
|
|
psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
713 |
|
|
psiconv_debug(lev+2,off+len,"Expected marker: %02x, found byte: %02x", |
714 |
|
|
0x15,temp); |
715 |
|
|
goto ERROR2; |
716 |
|
|
} |
717 |
|
|
len ++; |
718 |
|
|
|
719 |
|
|
if (off+len != formula_end) { |
720 |
|
|
psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
721 |
|
|
psiconv_debug(lev+2,off+len,"Expected end: %04x, found end: %04x", |
722 |
|
|
formula_end,len+off); |
723 |
|
|
goto ERROR2; |
724 |
|
|
} |
725 |
|
|
|
726 |
|
|
if (length) |
727 |
|
|
*length = len; |
728 |
|
|
|
729 |
|
|
psiconv_progress(lev,off+len-1, |
730 |
|
|
"End of formula (total length: %08x)", len); |
731 |
|
|
return 0; |
732 |
|
|
|
733 |
|
|
ERROR2: |
734 |
|
|
psiconv_free_formula(*result); |
735 |
|
|
ERROR1: |
736 |
frodo |
100 |
psiconv_warn(lev+1,off,"Reading of formula failed"); |
737 |
|
|
if (length) |
738 |
|
|
*length = 0; |
739 |
|
|
if (!res) |
740 |
|
|
return -PSICONV_E_NOMEM; |
741 |
|
|
else |
742 |
|
|
return res; |
743 |
|
|
} |
744 |
|
|
|
745 |
frodo |
105 |
|