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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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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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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* 10 */ |
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{psiconv_formula_op_con,2,"&"}, |
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{psiconv_formula_op_bra,1,"{}"}, |
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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*"}, |
| 211 |
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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*"}, |
| 216 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 217 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 218 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 219 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 220 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 221 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 222 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 223 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 224 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 225 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 226 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 227 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 228 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 229 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* C0 */ |
| 230 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 231 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 232 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 233 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 234 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 235 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 236 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 237 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 238 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 239 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 240 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 241 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 242 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 243 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 244 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 245 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* D0 */ |
| 246 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 247 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 248 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 249 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 250 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 251 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 252 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 253 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 254 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 255 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 256 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 257 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 258 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 259 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 260 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 261 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* E0 */ |
| 262 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 263 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 264 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 265 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 266 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 267 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 268 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 269 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 270 |
|
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 271 |
|
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 272 |
|
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 273 |
|
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 274 |
|
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 275 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 276 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 277 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, /* F0 */ |
| 278 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 279 |
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{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 280 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 281 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 282 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 283 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 284 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 285 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 286 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 287 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 288 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 289 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 290 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 291 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}, |
| 292 |
|
|
{psiconv_formula_unknown,0,"*UNKNOWN*"}}; |
| 293 |
|
|
|
| 294 |
frodo |
102 |
|
| 295 |
|
|
static int psiconv_parse_sheet_ref(const psiconv_buffer buf,int lev, |
| 296 |
|
|
psiconv_u32 off, int *length, |
| 297 |
|
|
psiconv_sheet_ref_t *result) |
| 298 |
|
|
{ |
| 299 |
|
|
int res; |
| 300 |
|
|
psiconv_u16 temp; |
| 301 |
|
|
|
| 302 |
|
|
psiconv_progress(lev+1,off,"Going to read a sheet ref"); |
| 303 |
|
|
psiconv_progress(lev+2,off,"Going to read the offset encoding"); |
| 304 |
|
|
temp = psiconv_read_u16(buf,lev+2,off,&res); |
| 305 |
|
|
if (res) { |
| 306 |
|
|
if (length) |
| 307 |
|
|
*length = 0; |
| 308 |
|
|
return res; |
| 309 |
|
|
} |
| 310 |
|
|
psiconv_debug(lev+2,off,"Encoded word: %04x",temp); |
| 311 |
|
|
result->absolute = (temp & 0x4000)?psiconv_bool_true:psiconv_bool_false; |
| 312 |
|
|
result->offset = (temp & 0x3fff) * ((temp & 0x8000)?-1:1); |
| 313 |
|
|
psiconv_debug(lev+2,off,"Reference: %s offset %d", |
| 314 |
|
|
result->absolute?"absolute":"relative",result->offset); |
| 315 |
|
|
if (length) |
| 316 |
|
|
*length = 2; |
| 317 |
|
|
return 0; |
| 318 |
|
|
} |
| 319 |
|
|
|
| 320 |
|
|
static int psiconv_parse_sheet_cell_reference(const psiconv_buffer buf,int lev, |
| 321 |
|
|
psiconv_u32 off, int *length, |
| 322 |
|
|
psiconv_sheet_cell_reference_t *result) |
| 323 |
|
|
{ |
| 324 |
|
|
int len = 0; |
| 325 |
|
|
int leng,res; |
| 326 |
|
|
psiconv_u8 temp; |
| 327 |
|
|
|
| 328 |
|
|
psiconv_progress(lev+1,off+len,"Going to read a sheet cell reference"); |
| 329 |
|
|
psiconv_progress(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))) |
| 331 |
|
|
goto ERROR; |
| 332 |
|
|
len += leng; |
| 333 |
|
|
psiconv_progress(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))) |
| 335 |
|
|
goto ERROR; |
| 336 |
|
|
len += leng; |
| 337 |
|
|
|
| 338 |
|
|
psiconv_progress(lev+2,off+len, |
| 339 |
|
|
"Going to read the trailing byte (%02x expected)",0); |
| 340 |
|
|
temp = psiconv_read_u8(buf,lev+2,off+len,&res); |
| 341 |
|
|
if (res) |
| 342 |
|
|
goto ERROR; |
| 343 |
|
|
if (temp != 0) { |
| 344 |
|
|
psiconv_warn(lev+2,off+len,"Unknown byte in cell reference (ignored"); |
| 345 |
|
|
psiconv_debug(lev+2,off+len,"Trailing byte: %02x",temp); |
| 346 |
|
|
} |
| 347 |
|
|
len ++; |
| 348 |
|
|
psiconv_progress(lev,off+len-1, |
| 349 |
|
|
"End of cell reference (total length: %08x)", len); |
| 350 |
|
|
if (length) |
| 351 |
|
|
*length = len; |
| 352 |
|
|
return 0; |
| 353 |
|
|
ERROR: |
| 354 |
|
|
if (length) |
| 355 |
|
|
*length = 0; |
| 356 |
|
|
return res; |
| 357 |
|
|
} |
| 358 |
|
|
|
| 359 |
|
|
static int psiconv_parse_sheet_cell_block(const psiconv_buffer buf,int lev, |
| 360 |
|
|
psiconv_u32 off, int *length, |
| 361 |
|
|
psiconv_sheet_cell_block_t *result) |
| 362 |
|
|
{ |
| 363 |
|
|
int len = 0; |
| 364 |
|
|
int leng,res; |
| 365 |
|
|
|
| 366 |
|
|
psiconv_progress(lev+1,off+len,"Going to read a sheet cell block"); |
| 367 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the first cell"); |
| 368 |
|
|
if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
| 369 |
|
|
&result->first))) |
| 370 |
|
|
goto ERROR; |
| 371 |
|
|
len += leng; |
| 372 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the last cell"); |
| 373 |
|
|
if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
| 374 |
|
|
&result->last))) |
| 375 |
|
|
goto ERROR; |
| 376 |
|
|
len += leng; |
| 377 |
|
|
psiconv_progress(lev,off+len-1, |
| 378 |
|
|
"End of cell block (total length: %08x)", len); |
| 379 |
|
|
if (length) |
| 380 |
|
|
*length = len; |
| 381 |
|
|
return 0; |
| 382 |
|
|
ERROR: |
| 383 |
|
|
if (length) |
| 384 |
|
|
*length = 0; |
| 385 |
|
|
return res; |
| 386 |
|
|
} |
| 387 |
|
|
|
| 388 |
frodo |
100 |
int psiconv_parse_formula(const psiconv_buffer buf, int lev, |
| 389 |
|
|
psiconv_u32 off, int *length, |
| 390 |
|
|
psiconv_formula *result) |
| 391 |
|
|
{ |
| 392 |
|
|
int res=0; |
| 393 |
|
|
int len=0; |
| 394 |
|
|
int leng; |
| 395 |
|
|
int eof = 0; |
| 396 |
|
|
psiconv_u8 marker; |
| 397 |
|
|
psiconv_u32 bytelen; |
| 398 |
|
|
psiconv_formula_list formula_stack; |
| 399 |
|
|
psiconv_formula formula,subformula1,subformula2,subformula3,subformula4; |
| 400 |
|
|
|
| 401 |
|
|
psiconv_progress(lev+1,off,"Going to read a formula"); |
| 402 |
|
|
if (!(*result = malloc(sizeof(**result)))) |
| 403 |
|
|
goto ERROR1; |
| 404 |
|
|
if (!(formula_stack = psiconv_list_new(sizeof(struct psiconv_formula_s)))) |
| 405 |
|
|
goto ERROR2; |
| 406 |
|
|
if (!(formula = malloc(sizeof(*formula)))) |
| 407 |
|
|
goto ERROR3; |
| 408 |
|
|
/* By setting the type to unknown, we can safely call psiconv_free_formula */ |
| 409 |
|
|
formula->type = psiconv_formula_unknown; |
| 410 |
|
|
if (!(subformula1 = malloc(sizeof(*subformula1)))) |
| 411 |
|
|
goto ERROR4; |
| 412 |
|
|
subformula1->type = psiconv_formula_unknown; |
| 413 |
|
|
if (!(subformula2 = malloc(sizeof(*subformula2)))) |
| 414 |
|
|
goto ERROR5; |
| 415 |
|
|
subformula2->type = psiconv_formula_unknown; |
| 416 |
|
|
if (!(subformula3 = malloc(sizeof(*subformula3)))) |
| 417 |
|
|
goto ERROR6; |
| 418 |
|
|
subformula3->type = psiconv_formula_unknown; |
| 419 |
|
|
if (!(subformula4 = malloc(sizeof(*subformula4)))) |
| 420 |
|
|
goto ERROR7; |
| 421 |
|
|
subformula4->type = psiconv_formula_unknown; |
| 422 |
|
|
|
| 423 |
|
|
psiconv_progress(lev+2,off+len, |
| 424 |
|
|
"Going to read the formula byte length"); |
| 425 |
|
|
bytelen = psiconv_read_S(buf,lev+2,off+len,&leng,&res); |
| 426 |
|
|
if (res) |
| 427 |
|
|
goto ERROR8; |
| 428 |
|
|
psiconv_debug(lev+2,off+len,"Formula byte length: %d",bytelen); |
| 429 |
|
|
len += leng; |
| 430 |
|
|
bytelen += len; |
| 431 |
|
|
|
| 432 |
|
|
psiconv_progress(lev+2,off+len,"Going to read the formula items"); |
| 433 |
|
|
while (!eof && len < bytelen) { |
| 434 |
|
|
psiconv_progress(lev+3,off+len,"Going to read a formula item marker"); |
| 435 |
|
|
marker = psiconv_read_u8(buf,lev+2,off+len,&res); |
| 436 |
|
|
if (res) |
| 437 |
|
|
goto ERROR8; |
| 438 |
|
|
psiconv_debug(lev+3,off+len,"Marker: %02x (%s)",marker, |
| 439 |
|
|
formula_elements[marker].name); |
| 440 |
|
|
len ++; |
| 441 |
|
|
|
| 442 |
|
|
if (formula_elements[marker].formula_type == psiconv_formula_unknown) { |
| 443 |
|
|
psiconv_warn(lev+3,off+len,"Unknown formula marker found!"); |
| 444 |
|
|
goto ERROR8; |
| 445 |
|
|
} else if (formula_elements[marker].formula_type == |
| 446 |
|
|
psiconv_formula_mark_eof) { |
| 447 |
|
|
psiconv_progress(lev+3,off+len,"End of formula"); |
| 448 |
|
|
eof = 1; |
| 449 |
|
|
} else if (formula_elements[marker].formula_type == |
| 450 |
|
|
psiconv_formula_dat_int) { |
| 451 |
|
|
psiconv_progress(lev+3,off+len,"Next item: an integer"); |
| 452 |
|
|
formula->data.dat_int = psiconv_read_u32(buf,lev+2,off+len,&res); |
| 453 |
|
|
if (res) |
| 454 |
|
|
goto ERROR8; |
| 455 |
|
|
formula->type = formula_elements[marker].formula_type; |
| 456 |
|
|
psiconv_debug(lev+3,off+len,"Value: %08x",formula->data.dat_int); |
| 457 |
|
|
len += 4; |
| 458 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
| 459 |
|
|
goto ERROR8; |
| 460 |
|
|
formula->type = psiconv_formula_unknown; |
| 461 |
frodo |
101 |
} else if (formula_elements[marker].formula_type == |
| 462 |
|
|
psiconv_formula_dat_float) { |
| 463 |
|
|
psiconv_progress(lev+3,off+len,"Next item: a float"); |
| 464 |
|
|
formula->data.dat_float = psiconv_read_float(buf,lev+2,off+len,&leng, |
| 465 |
|
|
&res); |
| 466 |
|
|
if (res) |
| 467 |
|
|
goto ERROR8; |
| 468 |
|
|
formula->type = formula_elements[marker].formula_type; |
| 469 |
|
|
psiconv_debug(lev+3,off+len,"Value: %f",formula->data.dat_float); |
| 470 |
|
|
len += leng; |
| 471 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
| 472 |
|
|
goto ERROR8; |
| 473 |
|
|
formula->type = psiconv_formula_unknown; |
| 474 |
frodo |
102 |
} else if (formula_elements[marker].formula_type == |
| 475 |
|
|
psiconv_formula_dat_cellref) { |
| 476 |
|
|
psiconv_progress(lev+3,off+len,"Next item: a cell reference"); |
| 477 |
|
|
if ((res = psiconv_parse_sheet_cell_reference(buf,lev+2,off+len,&leng, |
| 478 |
|
|
&formula->data.dat_cellref))) |
| 479 |
|
|
goto ERROR8; |
| 480 |
|
|
formula->type = formula_elements[marker].formula_type; |
| 481 |
|
|
len += leng; |
| 482 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
| 483 |
|
|
goto ERROR8; |
| 484 |
|
|
formula->type = psiconv_formula_unknown; |
| 485 |
|
|
} else if (formula_elements[marker].formula_type == |
| 486 |
|
|
psiconv_formula_dat_cellblock) { |
| 487 |
|
|
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 |
100 |
} else if ((formula_elements[marker].formula_type == |
| 497 |
frodo |
101 |
psiconv_formula_dat_var) || |
| 498 |
frodo |
100 |
(formula_elements[marker].formula_type == |
| 499 |
|
|
psiconv_formula_dat_string) || |
| 500 |
|
|
(formula_elements[marker].formula_type == |
| 501 |
|
|
psiconv_formula_dat_vcellblock) || |
| 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; |
| 508 |
|
|
} else if (formula_elements[marker].number_of_args == -1) { |
| 509 |
|
|
psiconv_warn(lev+3,off+len,"Vararg functions not yet supported!"); |
| 510 |
|
|
goto ERROR8; |
| 511 |
|
|
} else { |
| 512 |
|
|
if (formula_elements[marker].number_of_args > 0) |
| 513 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula1))) |
| 514 |
|
|
goto ERROR8; |
| 515 |
|
|
if (formula_elements[marker].number_of_args > 1) |
| 516 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula2))) |
| 517 |
|
|
goto ERROR8; |
| 518 |
|
|
if (formula_elements[marker].number_of_args > 2) |
| 519 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula3))) |
| 520 |
|
|
goto ERROR8; |
| 521 |
|
|
if (formula_elements[marker].number_of_args > 3) |
| 522 |
|
|
if ((res = psiconv_list_pop(formula_stack,subformula4))) |
| 523 |
|
|
goto ERROR8; |
| 524 |
|
|
if (!(formula->data.fun_operands = |
| 525 |
|
|
psiconv_list_new(sizeof(*formula)))) |
| 526 |
|
|
goto ERROR8; |
| 527 |
|
|
formula->type = formula_elements[marker].formula_type; |
| 528 |
|
|
if (formula_elements[marker].number_of_args > 3) |
| 529 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula4))) |
| 530 |
|
|
goto ERROR8; |
| 531 |
|
|
if (formula_elements[marker].number_of_args > 2) |
| 532 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula3))) |
| 533 |
|
|
goto ERROR8; |
| 534 |
|
|
if (formula_elements[marker].number_of_args > 1) |
| 535 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula2))) |
| 536 |
|
|
goto ERROR8; |
| 537 |
|
|
if (formula_elements[marker].number_of_args > 0) |
| 538 |
|
|
if ((res = psiconv_list_add(formula->data.fun_operands,subformula1))) |
| 539 |
|
|
goto ERROR8; |
| 540 |
|
|
if ((res = psiconv_list_add(formula_stack,formula))) |
| 541 |
|
|
goto ERROR8; |
| 542 |
|
|
subformula4->type = subformula3->type = subformula2->type = |
| 543 |
|
|
subformula1->type = formula->type = psiconv_formula_unknown; |
| 544 |
|
|
} |
| 545 |
|
|
} |
| 546 |
|
|
if ((len != bytelen) || !eof) { |
| 547 |
|
|
psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
| 548 |
|
|
psiconv_debug(lev+2,off+len,"Expected end: %04x, found end: %04x", |
| 549 |
|
|
bytelen,len); |
| 550 |
|
|
goto ERROR8; |
| 551 |
|
|
} |
| 552 |
|
|
if ((psiconv_list_length(formula_stack)) != 1) { |
| 553 |
|
|
psiconv_warn(lev+2,off+len,"Formula corrupted!"); |
| 554 |
|
|
psiconv_debug(lev+2,off+len,"More than one item left on the stack (%d)", |
| 555 |
|
|
psiconv_list_length(formula_stack)); |
| 556 |
|
|
goto ERROR8; |
| 557 |
|
|
} |
| 558 |
|
|
if ((res = psiconv_list_pop(formula_stack,*result))) |
| 559 |
|
|
goto ERROR8; |
| 560 |
|
|
psiconv_list_free(formula_stack); |
| 561 |
|
|
free(formula); |
| 562 |
|
|
|
| 563 |
|
|
if (length) |
| 564 |
|
|
*length = len; |
| 565 |
|
|
|
| 566 |
|
|
psiconv_progress(lev,off+len-1, |
| 567 |
|
|
"End of formula (total length: %08x)", len); |
| 568 |
|
|
return 0; |
| 569 |
|
|
|
| 570 |
|
|
ERROR8: |
| 571 |
|
|
psiconv_free_formula(subformula4); |
| 572 |
|
|
ERROR7: |
| 573 |
|
|
psiconv_free_formula(subformula3); |
| 574 |
|
|
ERROR6: |
| 575 |
|
|
psiconv_free_formula(subformula2); |
| 576 |
|
|
ERROR5: |
| 577 |
|
|
psiconv_free_formula(subformula1); |
| 578 |
|
|
ERROR4: |
| 579 |
|
|
psiconv_free_formula(formula); |
| 580 |
|
|
ERROR3: |
| 581 |
|
|
psiconv_free_formula_list(formula_stack); |
| 582 |
|
|
ERROR2: |
| 583 |
|
|
free (*result); |
| 584 |
|
|
ERROR1: |
| 585 |
|
|
psiconv_warn(lev+1,off,"Reading of formula failed"); |
| 586 |
|
|
if (length) |
| 587 |
|
|
*length = 0; |
| 588 |
|
|
if (!res) |
| 589 |
|
|
return -PSICONV_E_NOMEM; |
| 590 |
|
|
else |
| 591 |
|
|
return res; |
| 592 |
|
|
} |
| 593 |
|
|
|
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| 
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