Source code for xlrd.formula
# -*- coding: cp1252 -*-
##
# Module for parsing/evaluating Microsoft Excel formulas.
#
# <p>Copyright © 2005-2012 Stephen John Machin, Lingfo Pty Ltd</p>
# <p>This module is part of the xlrd package, which is released under
# a BSD-style licence.</p>
##
# No part of the content of this file was derived from the works of David Giffin.
from __future__ import print_function
import copy
from struct import unpack
from .timemachine import *
from .biffh import unpack_unicode_update_pos, unpack_string_update_pos, \
XLRDError, hex_char_dump, error_text_from_code, BaseObject
__all__ = [
'oBOOL', 'oERR', 'oNUM', 'oREF', 'oREL', 'oSTRG', 'oUNK',
'decompile_formula',
'dump_formula',
'evaluate_name_formula',
'okind_dict',
'rangename3d', 'rangename3drel', 'cellname', 'cellnameabs', 'colname',
'FMLA_TYPE_CELL',
'FMLA_TYPE_SHARED',
'FMLA_TYPE_ARRAY',
'FMLA_TYPE_COND_FMT',
'FMLA_TYPE_DATA_VAL',
'FMLA_TYPE_NAME',
]
FMLA_TYPE_CELL = 1
FMLA_TYPE_SHARED = 2
FMLA_TYPE_ARRAY = 4
FMLA_TYPE_COND_FMT = 8
FMLA_TYPE_DATA_VAL = 16
FMLA_TYPE_NAME = 32
ALL_FMLA_TYPES = 63
FMLA_TYPEDESCR_MAP = {
1 : 'CELL',
2 : 'SHARED',
4 : 'ARRAY',
8 : 'COND-FMT',
16: 'DATA-VAL',
32: 'NAME',
}
_TOKEN_NOT_ALLOWED = {
0x01: ALL_FMLA_TYPES - FMLA_TYPE_CELL, # tExp
0x02: ALL_FMLA_TYPES - FMLA_TYPE_CELL, # tTbl
0x0F: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tIsect
0x10: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tUnion/List
0x11: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tRange
0x20: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tArray
0x23: FMLA_TYPE_SHARED, # tName
0x39: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tNameX
0x3A: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tRef3d
0x3B: FMLA_TYPE_SHARED + FMLA_TYPE_COND_FMT + FMLA_TYPE_DATA_VAL, # tArea3d
0x2C: FMLA_TYPE_CELL + FMLA_TYPE_ARRAY, # tRefN
0x2D: FMLA_TYPE_CELL + FMLA_TYPE_ARRAY, # tAreaN
# plus weird stuff like tMem*
}.get
oBOOL = 3
oERR = 4
oMSNG = 5 # tMissArg
oNUM = 2
oREF = -1
oREL = -2
oSTRG = 1
oUNK = 0
okind_dict = {
-2: "oREL",
-1: "oREF",
0 : "oUNK",
1 : "oSTRG",
2 : "oNUM",
3 : "oBOOL",
4 : "oERR",
5 : "oMSNG",
}
listsep = ',' #### probably should depend on locale
# sztabN[opcode] -> the number of bytes to consume.
# -1 means variable
# -2 means this opcode not implemented in this version.
# Which N to use? Depends on biff_version; see szdict.
sztab0 = [-2, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -2, -1, 8, 4, 2, 2, 3, 9, 8, 2, 3, 8, 4, 7, 5, 5, 5, 2, 4, 7, 4, 7, 2, 2, -2, -2, -2, -2, -2, -2, -2, -2, 3, -2, -2, -2, -2, -2, -2, -2]
sztab1 = [-2, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -2, -1, 11, 5, 2, 2, 3, 9, 9, 2, 3, 11, 4, 7, 7, 7, 7, 3, 4, 7, 4, 7, 3, 3, -2, -2, -2, -2, -2, -2, -2, -2, 3, -2, -2, -2, -2, -2, -2, -2]
sztab2 = [-2, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -2, -1, 11, 5, 2, 2, 3, 9, 9, 3, 4, 11, 4, 7, 7, 7, 7, 3, 4, 7, 4, 7, 3, 3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2]
sztab3 = [-2, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -2, -1, -2, -2, 2, 2, 3, 9, 9, 3, 4, 15, 4, 7, 7, 7, 7, 3, 4, 7, 4, 7, 3, 3, -2, -2, -2, -2, -2, -2, -2, -2, -2, 25, 18, 21, 18, 21, -2, -2]
sztab4 = [-2, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -2, -2, 2, 2, 3, 9, 9, 3, 4, 5, 5, 9, 7, 7, 7, 3, 5, 9, 5, 9, 3, 3, -2, -2, -2, -2, -2, -2, -2, -2, -2, 7, 7, 11, 7, 11, -2, -2]
szdict = {
20 : sztab0,
21 : sztab0,
30 : sztab1,
40 : sztab2,
45 : sztab2,
50 : sztab3,
70 : sztab3,
80 : sztab4,
}
# For debugging purposes ... the name for each opcode
# (without the prefix "t" used on OOo docs)
onames = ['Unk00', 'Exp', 'Tbl', 'Add', 'Sub', 'Mul', 'Div', 'Power', 'Concat', 'LT', 'LE', 'EQ', 'GE', 'GT', 'NE', 'Isect', 'List', 'Range', 'Uplus', 'Uminus', 'Percent', 'Paren', 'MissArg', 'Str', 'Extended', 'Attr', 'Sheet', 'EndSheet', 'Err', 'Bool', 'Int', 'Num', 'Array', 'Func', 'FuncVar', 'Name', 'Ref', 'Area', 'MemArea', 'MemErr', 'MemNoMem', 'MemFunc', 'RefErr', 'AreaErr', 'RefN', 'AreaN', 'MemAreaN', 'MemNoMemN', '', '', '', '', '', '', '', '', 'FuncCE', 'NameX', 'Ref3d', 'Area3d', 'RefErr3d', 'AreaErr3d', '', '']
func_defs = {
# index: (name, min#args, max#args, flags, #known_args, return_type, kargs)
0 : ('COUNT', 0, 30, 0x04, 1, 'V', 'R'),
1 : ('IF', 2, 3, 0x04, 3, 'V', 'VRR'),
2 : ('ISNA', 1, 1, 0x02, 1, 'V', 'V'),
3 : ('ISERROR', 1, 1, 0x02, 1, 'V', 'V'),
4 : ('SUM', 0, 30, 0x04, 1, 'V', 'R'),
5 : ('AVERAGE', 1, 30, 0x04, 1, 'V', 'R'),
6 : ('MIN', 1, 30, 0x04, 1, 'V', 'R'),
7 : ('MAX', 1, 30, 0x04, 1, 'V', 'R'),
8 : ('ROW', 0, 1, 0x04, 1, 'V', 'R'),
9 : ('COLUMN', 0, 1, 0x04, 1, 'V', 'R'),
10 : ('NA', 0, 0, 0x02, 0, 'V', ''),
11 : ('NPV', 2, 30, 0x04, 2, 'V', 'VR'),
12 : ('STDEV', 1, 30, 0x04, 1, 'V', 'R'),
13 : ('DOLLAR', 1, 2, 0x04, 1, 'V', 'V'),
14 : ('FIXED', 2, 3, 0x04, 3, 'V', 'VVV'),
15 : ('SIN', 1, 1, 0x02, 1, 'V', 'V'),
16 : ('COS', 1, 1, 0x02, 1, 'V', 'V'),
17 : ('TAN', 1, 1, 0x02, 1, 'V', 'V'),
18 : ('ATAN', 1, 1, 0x02, 1, 'V', 'V'),
19 : ('PI', 0, 0, 0x02, 0, 'V', ''),
20 : ('SQRT', 1, 1, 0x02, 1, 'V', 'V'),
21 : ('EXP', 1, 1, 0x02, 1, 'V', 'V'),
22 : ('LN', 1, 1, 0x02, 1, 'V', 'V'),
23 : ('LOG10', 1, 1, 0x02, 1, 'V', 'V'),
24 : ('ABS', 1, 1, 0x02, 1, 'V', 'V'),
25 : ('INT', 1, 1, 0x02, 1, 'V', 'V'),
26 : ('SIGN', 1, 1, 0x02, 1, 'V', 'V'),
27 : ('ROUND', 2, 2, 0x02, 2, 'V', 'VV'),
28 : ('LOOKUP', 2, 3, 0x04, 2, 'V', 'VR'),
29 : ('INDEX', 2, 4, 0x0c, 4, 'R', 'RVVV'),
30 : ('REPT', 2, 2, 0x02, 2, 'V', 'VV'),
31 : ('MID', 3, 3, 0x02, 3, 'V', 'VVV'),
32 : ('LEN', 1, 1, 0x02, 1, 'V', 'V'),
33 : ('VALUE', 1, 1, 0x02, 1, 'V', 'V'),
34 : ('TRUE', 0, 0, 0x02, 0, 'V', ''),
35 : ('FALSE', 0, 0, 0x02, 0, 'V', ''),
36 : ('AND', 1, 30, 0x04, 1, 'V', 'R'),
37 : ('OR', 1, 30, 0x04, 1, 'V', 'R'),
38 : ('NOT', 1, 1, 0x02, 1, 'V', 'V'),
39 : ('MOD', 2, 2, 0x02, 2, 'V', 'VV'),
40 : ('DCOUNT', 3, 3, 0x02, 3, 'V', 'RRR'),
41 : ('DSUM', 3, 3, 0x02, 3, 'V', 'RRR'),
42 : ('DAVERAGE', 3, 3, 0x02, 3, 'V', 'RRR'),
43 : ('DMIN', 3, 3, 0x02, 3, 'V', 'RRR'),
44 : ('DMAX', 3, 3, 0x02, 3, 'V', 'RRR'),
45 : ('DSTDEV', 3, 3, 0x02, 3, 'V', 'RRR'),
46 : ('VAR', 1, 30, 0x04, 1, 'V', 'R'),
47 : ('DVAR', 3, 3, 0x02, 3, 'V', 'RRR'),
48 : ('TEXT', 2, 2, 0x02, 2, 'V', 'VV'),
49 : ('LINEST', 1, 4, 0x04, 4, 'A', 'RRVV'),
50 : ('TREND', 1, 4, 0x04, 4, 'A', 'RRRV'),
51 : ('LOGEST', 1, 4, 0x04, 4, 'A', 'RRVV'),
52 : ('GROWTH', 1, 4, 0x04, 4, 'A', 'RRRV'),
56 : ('PV', 3, 5, 0x04, 5, 'V', 'VVVVV'),
57 : ('FV', 3, 5, 0x04, 5, 'V', 'VVVVV'),
58 : ('NPER', 3, 5, 0x04, 5, 'V', 'VVVVV'),
59 : ('PMT', 3, 5, 0x04, 5, 'V', 'VVVVV'),
60 : ('RATE', 3, 6, 0x04, 6, 'V', 'VVVVVV'),
61 : ('MIRR', 3, 3, 0x02, 3, 'V', 'RVV'),
62 : ('IRR', 1, 2, 0x04, 2, 'V', 'RV'),
63 : ('RAND', 0, 0, 0x0a, 0, 'V', ''),
64 : ('MATCH', 2, 3, 0x04, 3, 'V', 'VRR'),
65 : ('DATE', 3, 3, 0x02, 3, 'V', 'VVV'),
66 : ('TIME', 3, 3, 0x02, 3, 'V', 'VVV'),
67 : ('DAY', 1, 1, 0x02, 1, 'V', 'V'),
68 : ('MONTH', 1, 1, 0x02, 1, 'V', 'V'),
69 : ('YEAR', 1, 1, 0x02, 1, 'V', 'V'),
70 : ('WEEKDAY', 1, 2, 0x04, 2, 'V', 'VV'),
71 : ('HOUR', 1, 1, 0x02, 1, 'V', 'V'),
72 : ('MINUTE', 1, 1, 0x02, 1, 'V', 'V'),
73 : ('SECOND', 1, 1, 0x02, 1, 'V', 'V'),
74 : ('NOW', 0, 0, 0x0a, 0, 'V', ''),
75 : ('AREAS', 1, 1, 0x02, 1, 'V', 'R'),
76 : ('ROWS', 1, 1, 0x02, 1, 'V', 'R'),
77 : ('COLUMNS', 1, 1, 0x02, 1, 'V', 'R'),
78 : ('OFFSET', 3, 5, 0x04, 5, 'R', 'RVVVV'),
82 : ('SEARCH', 2, 3, 0x04, 3, 'V', 'VVV'),
83 : ('TRANSPOSE', 1, 1, 0x02, 1, 'A', 'A'),
86 : ('TYPE', 1, 1, 0x02, 1, 'V', 'V'),
92 : ('SERIESSUM', 4, 4, 0x02, 4, 'V', 'VVVA'),
97 : ('ATAN2', 2, 2, 0x02, 2, 'V', 'VV'),
98 : ('ASIN', 1, 1, 0x02, 1, 'V', 'V'),
99 : ('ACOS', 1, 1, 0x02, 1, 'V', 'V'),
100: ('CHOOSE', 2, 30, 0x04, 2, 'V', 'VR'),
101: ('HLOOKUP', 3, 4, 0x04, 4, 'V', 'VRRV'),
102: ('VLOOKUP', 3, 4, 0x04, 4, 'V', 'VRRV'),
105: ('ISREF', 1, 1, 0x02, 1, 'V', 'R'),
109: ('LOG', 1, 2, 0x04, 2, 'V', 'VV'),
111: ('CHAR', 1, 1, 0x02, 1, 'V', 'V'),
112: ('LOWER', 1, 1, 0x02, 1, 'V', 'V'),
113: ('UPPER', 1, 1, 0x02, 1, 'V', 'V'),
114: ('PROPER', 1, 1, 0x02, 1, 'V', 'V'),
115: ('LEFT', 1, 2, 0x04, 2, 'V', 'VV'),
116: ('RIGHT', 1, 2, 0x04, 2, 'V', 'VV'),
117: ('EXACT', 2, 2, 0x02, 2, 'V', 'VV'),
118: ('TRIM', 1, 1, 0x02, 1, 'V', 'V'),
119: ('REPLACE', 4, 4, 0x02, 4, 'V', 'VVVV'),
120: ('SUBSTITUTE', 3, 4, 0x04, 4, 'V', 'VVVV'),
121: ('CODE', 1, 1, 0x02, 1, 'V', 'V'),
124: ('FIND', 2, 3, 0x04, 3, 'V', 'VVV'),
125: ('CELL', 1, 2, 0x0c, 2, 'V', 'VR'),
126: ('ISERR', 1, 1, 0x02, 1, 'V', 'V'),
127: ('ISTEXT', 1, 1, 0x02, 1, 'V', 'V'),
128: ('ISNUMBER', 1, 1, 0x02, 1, 'V', 'V'),
129: ('ISBLANK', 1, 1, 0x02, 1, 'V', 'V'),
130: ('T', 1, 1, 0x02, 1, 'V', 'R'),
131: ('N', 1, 1, 0x02, 1, 'V', 'R'),
140: ('DATEVALUE', 1, 1, 0x02, 1, 'V', 'V'),
141: ('TIMEVALUE', 1, 1, 0x02, 1, 'V', 'V'),
142: ('SLN', 3, 3, 0x02, 3, 'V', 'VVV'),
143: ('SYD', 4, 4, 0x02, 4, 'V', 'VVVV'),
144: ('DDB', 4, 5, 0x04, 5, 'V', 'VVVVV'),
148: ('INDIRECT', 1, 2, 0x0c, 2, 'R', 'VV'),
162: ('CLEAN', 1, 1, 0x02, 1, 'V', 'V'),
163: ('MDETERM', 1, 1, 0x02, 1, 'V', 'A'),
164: ('MINVERSE', 1, 1, 0x02, 1, 'A', 'A'),
165: ('MMULT', 2, 2, 0x02, 2, 'A', 'AA'),
167: ('IPMT', 4, 6, 0x04, 6, 'V', 'VVVVVV'),
168: ('PPMT', 4, 6, 0x04, 6, 'V', 'VVVVVV'),
169: ('COUNTA', 0, 30, 0x04, 1, 'V', 'R'),
183: ('PRODUCT', 0, 30, 0x04, 1, 'V', 'R'),
184: ('FACT', 1, 1, 0x02, 1, 'V', 'V'),
189: ('DPRODUCT', 3, 3, 0x02, 3, 'V', 'RRR'),
190: ('ISNONTEXT', 1, 1, 0x02, 1, 'V', 'V'),
193: ('STDEVP', 1, 30, 0x04, 1, 'V', 'R'),
194: ('VARP', 1, 30, 0x04, 1, 'V', 'R'),
195: ('DSTDEVP', 3, 3, 0x02, 3, 'V', 'RRR'),
196: ('DVARP', 3, 3, 0x02, 3, 'V', 'RRR'),
197: ('TRUNC', 1, 2, 0x04, 2, 'V', 'VV'),
198: ('ISLOGICAL', 1, 1, 0x02, 1, 'V', 'V'),
199: ('DCOUNTA', 3, 3, 0x02, 3, 'V', 'RRR'),
204: ('USDOLLAR', 1, 2, 0x04, 2, 'V', 'VV'),
205: ('FINDB', 2, 3, 0x04, 3, 'V', 'VVV'),
206: ('SEARCHB', 2, 3, 0x04, 3, 'V', 'VVV'),
207: ('REPLACEB', 4, 4, 0x02, 4, 'V', 'VVVV'),
208: ('LEFTB', 1, 2, 0x04, 2, 'V', 'VV'),
209: ('RIGHTB', 1, 2, 0x04, 2, 'V', 'VV'),
210: ('MIDB', 3, 3, 0x02, 3, 'V', 'VVV'),
211: ('LENB', 1, 1, 0x02, 1, 'V', 'V'),
212: ('ROUNDUP', 2, 2, 0x02, 2, 'V', 'VV'),
213: ('ROUNDDOWN', 2, 2, 0x02, 2, 'V', 'VV'),
214: ('ASC', 1, 1, 0x02, 1, 'V', 'V'),
215: ('DBCS', 1, 1, 0x02, 1, 'V', 'V'),
216: ('RANK', 2, 3, 0x04, 3, 'V', 'VRV'),
219: ('ADDRESS', 2, 5, 0x04, 5, 'V', 'VVVVV'),
220: ('DAYS360', 2, 3, 0x04, 3, 'V', 'VVV'),
221: ('TODAY', 0, 0, 0x0a, 0, 'V', ''),
222: ('VDB', 5, 7, 0x04, 7, 'V', 'VVVVVVV'),
227: ('MEDIAN', 1, 30, 0x04, 1, 'V', 'R'),
228: ('SUMPRODUCT', 1, 30, 0x04, 1, 'V', 'A'),
229: ('SINH', 1, 1, 0x02, 1, 'V', 'V'),
230: ('COSH', 1, 1, 0x02, 1, 'V', 'V'),
231: ('TANH', 1, 1, 0x02, 1, 'V', 'V'),
232: ('ASINH', 1, 1, 0x02, 1, 'V', 'V'),
233: ('ACOSH', 1, 1, 0x02, 1, 'V', 'V'),
234: ('ATANH', 1, 1, 0x02, 1, 'V', 'V'),
235: ('DGET', 3, 3, 0x02, 3, 'V', 'RRR'),
244: ('INFO', 1, 1, 0x02, 1, 'V', 'V'),
247: ('DB', 4, 5, 0x04, 5, 'V', 'VVVVV'),
252: ('FREQUENCY', 2, 2, 0x02, 2, 'A', 'RR'),
261: ('ERROR.TYPE', 1, 1, 0x02, 1, 'V', 'V'),
269: ('AVEDEV', 1, 30, 0x04, 1, 'V', 'R'),
270: ('BETADIST', 3, 5, 0x04, 1, 'V', 'V'),
271: ('GAMMALN', 1, 1, 0x02, 1, 'V', 'V'),
272: ('BETAINV', 3, 5, 0x04, 1, 'V', 'V'),
273: ('BINOMDIST', 4, 4, 0x02, 4, 'V', 'VVVV'),
274: ('CHIDIST', 2, 2, 0x02, 2, 'V', 'VV'),
275: ('CHIINV', 2, 2, 0x02, 2, 'V', 'VV'),
276: ('COMBIN', 2, 2, 0x02, 2, 'V', 'VV'),
277: ('CONFIDENCE', 3, 3, 0x02, 3, 'V', 'VVV'),
278: ('CRITBINOM', 3, 3, 0x02, 3, 'V', 'VVV'),
279: ('EVEN', 1, 1, 0x02, 1, 'V', 'V'),
280: ('EXPONDIST', 3, 3, 0x02, 3, 'V', 'VVV'),
281: ('FDIST', 3, 3, 0x02, 3, 'V', 'VVV'),
282: ('FINV', 3, 3, 0x02, 3, 'V', 'VVV'),
283: ('FISHER', 1, 1, 0x02, 1, 'V', 'V'),
284: ('FISHERINV', 1, 1, 0x02, 1, 'V', 'V'),
285: ('FLOOR', 2, 2, 0x02, 2, 'V', 'VV'),
286: ('GAMMADIST', 4, 4, 0x02, 4, 'V', 'VVVV'),
287: ('GAMMAINV', 3, 3, 0x02, 3, 'V', 'VVV'),
288: ('CEILING', 2, 2, 0x02, 2, 'V', 'VV'),
289: ('HYPGEOMDIST', 4, 4, 0x02, 4, 'V', 'VVVV'),
290: ('LOGNORMDIST', 3, 3, 0x02, 3, 'V', 'VVV'),
291: ('LOGINV', 3, 3, 0x02, 3, 'V', 'VVV'),
292: ('NEGBINOMDIST', 3, 3, 0x02, 3, 'V', 'VVV'),
293: ('NORMDIST', 4, 4, 0x02, 4, 'V', 'VVVV'),
294: ('NORMSDIST', 1, 1, 0x02, 1, 'V', 'V'),
295: ('NORMINV', 3, 3, 0x02, 3, 'V', 'VVV'),
296: ('NORMSINV', 1, 1, 0x02, 1, 'V', 'V'),
297: ('STANDARDIZE', 3, 3, 0x02, 3, 'V', 'VVV'),
298: ('ODD', 1, 1, 0x02, 1, 'V', 'V'),
299: ('PERMUT', 2, 2, 0x02, 2, 'V', 'VV'),
300: ('POISSON', 3, 3, 0x02, 3, 'V', 'VVV'),
301: ('TDIST', 3, 3, 0x02, 3, 'V', 'VVV'),
302: ('WEIBULL', 4, 4, 0x02, 4, 'V', 'VVVV'),
303: ('SUMXMY2', 2, 2, 0x02, 2, 'V', 'AA'),
304: ('SUMX2MY2', 2, 2, 0x02, 2, 'V', 'AA'),
305: ('SUMX2PY2', 2, 2, 0x02, 2, 'V', 'AA'),
306: ('CHITEST', 2, 2, 0x02, 2, 'V', 'AA'),
307: ('CORREL', 2, 2, 0x02, 2, 'V', 'AA'),
308: ('COVAR', 2, 2, 0x02, 2, 'V', 'AA'),
309: ('FORECAST', 3, 3, 0x02, 3, 'V', 'VAA'),
310: ('FTEST', 2, 2, 0x02, 2, 'V', 'AA'),
311: ('INTERCEPT', 2, 2, 0x02, 2, 'V', 'AA'),
312: ('PEARSON', 2, 2, 0x02, 2, 'V', 'AA'),
313: ('RSQ', 2, 2, 0x02, 2, 'V', 'AA'),
314: ('STEYX', 2, 2, 0x02, 2, 'V', 'AA'),
315: ('SLOPE', 2, 2, 0x02, 2, 'V', 'AA'),
316: ('TTEST', 4, 4, 0x02, 4, 'V', 'AAVV'),
317: ('PROB', 3, 4, 0x04, 3, 'V', 'AAV'),
318: ('DEVSQ', 1, 30, 0x04, 1, 'V', 'R'),
319: ('GEOMEAN', 1, 30, 0x04, 1, 'V', 'R'),
320: ('HARMEAN', 1, 30, 0x04, 1, 'V', 'R'),
321: ('SUMSQ', 0, 30, 0x04, 1, 'V', 'R'),
322: ('KURT', 1, 30, 0x04, 1, 'V', 'R'),
323: ('SKEW', 1, 30, 0x04, 1, 'V', 'R'),
324: ('ZTEST', 2, 3, 0x04, 2, 'V', 'RV'),
325: ('LARGE', 2, 2, 0x02, 2, 'V', 'RV'),
326: ('SMALL', 2, 2, 0x02, 2, 'V', 'RV'),
327: ('QUARTILE', 2, 2, 0x02, 2, 'V', 'RV'),
328: ('PERCENTILE', 2, 2, 0x02, 2, 'V', 'RV'),
329: ('PERCENTRANK', 2, 3, 0x04, 2, 'V', 'RV'),
330: ('MODE', 1, 30, 0x04, 1, 'V', 'A'),
331: ('TRIMMEAN', 2, 2, 0x02, 2, 'V', 'RV'),
332: ('TINV', 2, 2, 0x02, 2, 'V', 'VV'),
336: ('CONCATENATE', 0, 30, 0x04, 1, 'V', 'V'),
337: ('POWER', 2, 2, 0x02, 2, 'V', 'VV'),
342: ('RADIANS', 1, 1, 0x02, 1, 'V', 'V'),
343: ('DEGREES', 1, 1, 0x02, 1, 'V', 'V'),
344: ('SUBTOTAL', 2, 30, 0x04, 2, 'V', 'VR'),
345: ('SUMIF', 2, 3, 0x04, 3, 'V', 'RVR'),
346: ('COUNTIF', 2, 2, 0x02, 2, 'V', 'RV'),
347: ('COUNTBLANK', 1, 1, 0x02, 1, 'V', 'R'),
350: ('ISPMT', 4, 4, 0x02, 4, 'V', 'VVVV'),
351: ('DATEDIF', 3, 3, 0x02, 3, 'V', 'VVV'),
352: ('DATESTRING', 1, 1, 0x02, 1, 'V', 'V'),
353: ('NUMBERSTRING', 2, 2, 0x02, 2, 'V', 'VV'),
354: ('ROMAN', 1, 2, 0x04, 2, 'V', 'VV'),
358: ('GETPIVOTDATA', 2, 2, 0x02, 2, 'V', 'RV'),
359: ('HYPERLINK', 1, 2, 0x04, 2, 'V', 'VV'),
360: ('PHONETIC', 1, 1, 0x02, 1, 'V', 'V'),
361: ('AVERAGEA', 1, 30, 0x04, 1, 'V', 'R'),
362: ('MAXA', 1, 30, 0x04, 1, 'V', 'R'),
363: ('MINA', 1, 30, 0x04, 1, 'V', 'R'),
364: ('STDEVPA', 1, 30, 0x04, 1, 'V', 'R'),
365: ('VARPA', 1, 30, 0x04, 1, 'V', 'R'),
366: ('STDEVA', 1, 30, 0x04, 1, 'V', 'R'),
367: ('VARA', 1, 30, 0x04, 1, 'V', 'R'),
368: ('BAHTTEXT', 1, 1, 0x02, 1, 'V', 'V'),
369: ('THAIDAYOFWEEK', 1, 1, 0x02, 1, 'V', 'V'),
370: ('THAIDIGIT', 1, 1, 0x02, 1, 'V', 'V'),
371: ('THAIMONTHOFYEAR', 1, 1, 0x02, 1, 'V', 'V'),
372: ('THAINUMSOUND', 1, 1, 0x02, 1, 'V', 'V'),
373: ('THAINUMSTRING', 1, 1, 0x02, 1, 'V', 'V'),
374: ('THAISTRINGLENGTH', 1, 1, 0x02, 1, 'V', 'V'),
375: ('ISTHAIDIGIT', 1, 1, 0x02, 1, 'V', 'V'),
376: ('ROUNDBAHTDOWN', 1, 1, 0x02, 1, 'V', 'V'),
377: ('ROUNDBAHTUP', 1, 1, 0x02, 1, 'V', 'V'),
378: ('THAIYEAR', 1, 1, 0x02, 1, 'V', 'V'),
379: ('RTD', 2, 5, 0x04, 1, 'V', 'V'),
}
tAttrNames = {
0x00: "Skip??", # seen in SAMPLES.XLS which shipped with Excel 5.0
0x01: "Volatile",
0x02: "If",
0x04: "Choose",
0x08: "Skip",
0x10: "Sum",
0x20: "Assign",
0x40: "Space",
0x41: "SpaceVolatile",
}
error_opcodes = set([0x07, 0x08, 0x0A, 0x0B, 0x1C, 0x1D, 0x2F])
tRangeFuncs = (min, max, min, max, min, max)
tIsectFuncs = (max, min, max, min, max, min)
def do_box_funcs(box_funcs, boxa, boxb):
return tuple([
func(numa, numb)
for func, numa, numb in zip(box_funcs, boxa.coords, boxb.coords)
])
def adjust_cell_addr_biff8(rowval, colval, reldelta, browx=None, bcolx=None):
row_rel = (colval >> 15) & 1
col_rel = (colval >> 14) & 1
rowx = rowval
colx = colval & 0xff
if reldelta:
if row_rel and rowx >= 32768:
rowx -= 65536
if col_rel and colx >= 128:
colx -= 256
else:
if row_rel:
rowx -= browx
if col_rel:
colx -= bcolx
return rowx, colx, row_rel, col_rel
def adjust_cell_addr_biff_le7(
rowval, colval, reldelta, browx=None, bcolx=None):
row_rel = (rowval >> 15) & 1
col_rel = (rowval >> 14) & 1
rowx = rowval & 0x3fff
colx = colval
if reldelta:
if row_rel and rowx >= 8192:
rowx -= 16384
if col_rel and colx >= 128:
colx -= 256
else:
if row_rel:
rowx -= browx
if col_rel:
colx -= bcolx
return rowx, colx, row_rel, col_rel
def get_cell_addr(data, pos, bv, reldelta, browx=None, bcolx=None):
if bv >= 80:
rowval, colval = unpack("<HH", data[pos:pos+4])
# print " rv=%04xh cv=%04xh" % (rowval, colval)
return adjust_cell_addr_biff8(rowval, colval, reldelta, browx, bcolx)
else:
rowval, colval = unpack("<HB", data[pos:pos+3])
# print " rv=%04xh cv=%04xh" % (rowval, colval)
return adjust_cell_addr_biff_le7(
rowval, colval, reldelta, browx, bcolx)
def get_cell_range_addr(data, pos, bv, reldelta, browx=None, bcolx=None):
if bv >= 80:
row1val, row2val, col1val, col2val = unpack("<HHHH", data[pos:pos+8])
# print " rv=%04xh cv=%04xh" % (row1val, col1val)
# print " rv=%04xh cv=%04xh" % (row2val, col2val)
res1 = adjust_cell_addr_biff8(row1val, col1val, reldelta, browx, bcolx)
res2 = adjust_cell_addr_biff8(row2val, col2val, reldelta, browx, bcolx)
return res1, res2
else:
row1val, row2val, col1val, col2val = unpack("<HHBB", data[pos:pos+6])
# print " rv=%04xh cv=%04xh" % (row1val, col1val)
# print " rv=%04xh cv=%04xh" % (row2val, col2val)
res1 = adjust_cell_addr_biff_le7(
row1val, col1val, reldelta, browx, bcolx)
res2 = adjust_cell_addr_biff_le7(
row2val, col2val, reldelta, browx, bcolx)
return res1, res2
def get_externsheet_local_range(bk, refx, blah=0):
try:
info = bk._externsheet_info[refx]
except IndexError:
print("!!! get_externsheet_local_range: refx=%d, not in range(%d)" \
% (refx, len(bk._externsheet_info)), file=bk.logfile)
return (-101, -101)
ref_recordx, ref_first_sheetx, ref_last_sheetx = info
if ref_recordx == bk._supbook_addins_inx:
if blah:
print("/// get_externsheet_local_range(refx=%d) -> addins %r" % (refx, info), file=bk.logfile)
assert ref_first_sheetx == 0xFFFE == ref_last_sheetx
return (-5, -5)
if ref_recordx != bk._supbook_locals_inx:
if blah:
print("/// get_externsheet_local_range(refx=%d) -> external %r" % (refx, info), file=bk.logfile)
return (-4, -4) # external reference
if ref_first_sheetx == 0xFFFE == ref_last_sheetx:
if blah:
print("/// get_externsheet_local_range(refx=%d) -> unspecified sheet %r" % (refx, info), file=bk.logfile)
return (-1, -1) # internal reference, any sheet
if ref_first_sheetx == 0xFFFF == ref_last_sheetx:
if blah:
print("/// get_externsheet_local_range(refx=%d) -> deleted sheet(s)" % (refx, ), file=bk.logfile)
return (-2, -2) # internal reference, deleted sheet(s)
nsheets = len(bk._all_sheets_map)
if not(0 <= ref_first_sheetx <= ref_last_sheetx < nsheets):
if blah:
print("/// get_externsheet_local_range(refx=%d) -> %r" % (refx, info), file=bk.logfile)
print("--- first/last sheet not in range(%d)" % nsheets, file=bk.logfile)
return (-102, -102) # stuffed up somewhere :-(
xlrd_sheetx1 = bk._all_sheets_map[ref_first_sheetx]
xlrd_sheetx2 = bk._all_sheets_map[ref_last_sheetx]
if not(0 <= xlrd_sheetx1 <= xlrd_sheetx2):
return (-3, -3) # internal reference, but to a macro sheet
return xlrd_sheetx1, xlrd_sheetx2
def get_externsheet_local_range_b57(
bk, raw_extshtx, ref_first_sheetx, ref_last_sheetx, blah=0):
if raw_extshtx > 0:
if blah:
print("/// get_externsheet_local_range_b57(raw_extshtx=%d) -> external" % raw_extshtx, file=bk.logfile)
return (-4, -4) # external reference
if ref_first_sheetx == -1 and ref_last_sheetx == -1:
return (-2, -2) # internal reference, deleted sheet(s)
nsheets = len(bk._all_sheets_map)
if not(0 <= ref_first_sheetx <= ref_last_sheetx < nsheets):
if blah:
print("/// get_externsheet_local_range_b57(%d, %d, %d) -> ???" \
% (raw_extshtx, ref_first_sheetx, ref_last_sheetx), file=bk.logfile)
print("--- first/last sheet not in range(%d)" % nsheets, file=bk.logfile)
return (-103, -103) # stuffed up somewhere :-(
xlrd_sheetx1 = bk._all_sheets_map[ref_first_sheetx]
xlrd_sheetx2 = bk._all_sheets_map[ref_last_sheetx]
if not(0 <= xlrd_sheetx1 <= xlrd_sheetx2):
return (-3, -3) # internal reference, but to a macro sheet
return xlrd_sheetx1, xlrd_sheetx2
class FormulaError(Exception):
pass
##
# Used in evaluating formulas.
# The following table describes the kinds and how their values
# are represented.</p>
#
# <table border="1" cellpadding="7">
# <tr>
# <th>Kind symbol</th>
# <th>Kind number</th>
# <th>Value representation</th>
# </tr>
# <tr>
# <td>oBOOL</td>
# <td align="center">3</td>
# <td>integer: 0 => False; 1 => True</td>
# </tr>
# <tr>
# <td>oERR</td>
# <td align="center">4</td>
# <td>None, or an int error code (same as XL_CELL_ERROR in the Cell class).
# </td>
# </tr>
# <tr>
# <td>oMSNG</td>
# <td align="center">5</td>
# <td>Used by Excel as a placeholder for a missing (not supplied) function
# argument. Should *not* appear as a final formula result. Value is None.</td>
# </tr>
# <tr>
# <td>oNUM</td>
# <td align="center">2</td>
# <td>A float. Note that there is no way of distinguishing dates.</td>
# </tr>
# <tr>
# <td>oREF</td>
# <td align="center">-1</td>
# <td>The value is either None or a non-empty list of
# absolute Ref3D instances.<br>
# </td>
# </tr>
# <tr>
# <td>oREL</td>
# <td align="center">-2</td>
# <td>The value is None or a non-empty list of
# fully or partially relative Ref3D instances.
# </td>
# </tr>
# <tr>
# <td>oSTRG</td>
# <td align="center">1</td>
# <td>A Unicode string.</td>
# </tr>
# <tr>
# <td>oUNK</td>
# <td align="center">0</td>
# <td>The kind is unknown or ambiguous. The value is None</td>
# </tr>
# </table>
#<p></p>
class Operand(object):
##
# None means that the actual value of the operand is a variable
# (depends on cell data), not a constant.
value = None
##
# oUNK means that the kind of operand is not known unambiguously.
kind = oUNK
##
# The reconstituted text of the original formula. Function names will be
# in English irrespective of the original language, which doesn't seem
# to be recorded anywhere. The separator is ",", not ";" or whatever else
# might be more appropriate for the end-user's locale; patches welcome.
text = '?'
def __init__(self, akind=None, avalue=None, arank=0, atext='?'):
if akind is not None:
self.kind = akind
if avalue is not None:
self.value = avalue
self.rank = arank
# rank is an internal gizmo (operator precedence);
# it's used in reconstructing formula text.
self.text = atext
def __repr__(self):
kind_text = okind_dict.get(self.kind, "?Unknown kind?")
return "Operand(kind=%s, value=%r, text=%r)" \
% (kind_text, self.value, self.text)
##
# <p>Represents an absolute or relative 3-dimensional reference to a box
# of one or more cells.<br />
# -- New in version 0.6.0
# </p>
#
# <p>The <i>coords</i> attribute is a tuple of the form:<br />
# (shtxlo, shtxhi, rowxlo, rowxhi, colxlo, colxhi)<br />
# where 0 <= thingxlo <= thingx < thingxhi.<br />
# Note that it is quite possible to have thingx > nthings; for example
# Print_Titles could have colxhi == 256 and/or rowxhi == 65536
# irrespective of how many columns/rows are actually used in the worksheet.
# The caller will need to decide how to handle this situation.
# Keyword: IndexError :-)
# </p>
#
# <p>The components of the coords attribute are also available as individual
# attributes: shtxlo, shtxhi, rowxlo, rowxhi, colxlo, and colxhi.</p>
#
# <p>The <i>relflags</i> attribute is a 6-tuple of flags which indicate whether
# the corresponding (sheet|row|col)(lo|hi) is relative (1) or absolute (0).<br>
# Note that there is necessarily no information available as to what cell(s)
# the reference could possibly be relative to. The caller must decide what if
# any use to make of oREL operands. Note also that a partially relative
# reference may well be a typo.
# For example, define name A1Z10 as $a$1:$z10 (missing $ after z)
# while the cursor is on cell Sheet3!A27.<br>
# The resulting Ref3D instance will have coords = (2, 3, 0, -16, 0, 26)
# and relflags = (0, 0, 0, 1, 0, 0).<br>
# So far, only one possibility of a sheet-relative component in
# a reference has been noticed: a 2D reference located in the "current sheet".
# <br /> This will appear as coords = (0, 1, ...) and relflags = (1, 1, ...).
class Ref3D(tuple):
def __init__(self, atuple):
self.coords = atuple[0:6]
self.relflags = atuple[6:12]
if not self.relflags:
self.relflags = (0, 0, 0, 0, 0, 0)
(self.shtxlo, self.shtxhi,
self.rowxlo, self.rowxhi,
self.colxlo, self.colxhi) = self.coords
def __repr__(self):
if not self.relflags or self.relflags == (0, 0, 0, 0, 0, 0):
return "Ref3D(coords=%r)" % (self.coords, )
else:
return "Ref3D(coords=%r, relflags=%r)" \
% (self.coords, self.relflags)
tAdd = 0x03
tSub = 0x04
tMul = 0x05
tDiv = 0x06
tPower = 0x07
tConcat = 0x08
tLT, tLE, tEQ, tGE, tGT, tNE = range(0x09, 0x0F)
import operator as opr
def nop(x):
return x
def _opr_pow(x, y): return x ** y
def _opr_lt(x, y): return x < y
def _opr_le(x, y): return x <= y
def _opr_eq(x, y): return x == y
def _opr_ge(x, y): return x >= y
def _opr_gt(x, y): return x > y
def _opr_ne(x, y): return x != y
def num2strg(num):
"""Attempt to emulate Excel's default conversion
from number to string.
"""
s = str(num)
if s.endswith(".0"):
s = s[:-2]
return s
_arith_argdict = {oNUM: nop, oSTRG: float}
_cmp_argdict = {oNUM: nop, oSTRG: nop}
# Seems no conversions done on relops; in Excel, "1" > 9 produces TRUE.
_strg_argdict = {oNUM:num2strg, oSTRG:nop}
binop_rules = {
tAdd: (_arith_argdict, oNUM, opr.add, 30, '+'),
tSub: (_arith_argdict, oNUM, opr.sub, 30, '-'),
tMul: (_arith_argdict, oNUM, opr.mul, 40, '*'),
tDiv: (_arith_argdict, oNUM, opr.truediv, 40, '/'),
tPower: (_arith_argdict, oNUM, _opr_pow, 50, '^',),
tConcat:(_strg_argdict, oSTRG, opr.add, 20, '&'),
tLT: (_cmp_argdict, oBOOL, _opr_lt, 10, '<'),
tLE: (_cmp_argdict, oBOOL, _opr_le, 10, '<='),
tEQ: (_cmp_argdict, oBOOL, _opr_eq, 10, '='),
tGE: (_cmp_argdict, oBOOL, _opr_ge, 10, '>='),
tGT: (_cmp_argdict, oBOOL, _opr_gt, 10, '>'),
tNE: (_cmp_argdict, oBOOL, _opr_ne, 10, '<>'),
}
unop_rules = {
0x13: (lambda x: -x, 70, '-', ''), # unary minus
0x12: (lambda x: x, 70, '+', ''), # unary plus
0x14: (lambda x: x / 100.0, 60, '', '%'),# percent
}
LEAF_RANK = 90
FUNC_RANK = 90
STACK_ALARM_LEVEL = 5
STACK_PANIC_LEVEL = 10
[docs]def evaluate_name_formula(bk, nobj, namex, blah=0, level=0):
if level > STACK_ALARM_LEVEL:
blah = 1
data = nobj.raw_formula
fmlalen = nobj.basic_formula_len
bv = bk.biff_version
reldelta = 1 # All defined name formulas use "Method B" [OOo docs]
if blah:
print("::: evaluate_name_formula %r %r %d %d %r level=%d" \
% (namex, nobj.name, fmlalen, bv, data, level), file=bk.logfile)
hex_char_dump(data, 0, fmlalen, fout=bk.logfile)
if level > STACK_PANIC_LEVEL:
raise XLRDError("Excessive indirect references in NAME formula")
sztab = szdict[bv]
pos = 0
stack = []
any_rel = 0
any_err = 0
any_external = 0
unk_opnd = Operand(oUNK, None)
error_opnd = Operand(oERR, None)
spush = stack.append
def do_binop(opcd, stk):
assert len(stk) >= 2
bop = stk.pop()
aop = stk.pop()
argdict, result_kind, func, rank, sym = binop_rules[opcd]
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
resop = Operand(result_kind, None, rank, otext)
try:
bconv = argdict[bop.kind]
aconv = argdict[aop.kind]
except KeyError:
stk.append(resop)
return
if bop.value is None or aop.value is None:
stk.append(resop)
return
bval = bconv(bop.value)
aval = aconv(aop.value)
result = func(aval, bval)
if result_kind == oBOOL:
result = 1 if result else 0
resop.value = result
stk.append(resop)
def do_unaryop(opcode, result_kind, stk):
assert len(stk) >= 1
aop = stk.pop()
val = aop.value
func, rank, sym1, sym2 = unop_rules[opcode]
otext = ''.join([
sym1,
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym2,
])
if val is not None:
val = func(val)
stk.append(Operand(result_kind, val, rank, otext))
def not_in_name_formula(op_arg, oname_arg):
msg = "ERROR *** Token 0x%02x (%s) found in NAME formula" \
% (op_arg, oname_arg)
raise FormulaError(msg)
if fmlalen == 0:
stack = [unk_opnd]
while 0 <= pos < fmlalen:
op = BYTES_ORD(data[pos])
opcode = op & 0x1f
optype = (op & 0x60) >> 5
if optype:
opx = opcode + 32
else:
opx = opcode
oname = onames[opx] # + [" RVA"][optype]
sz = sztab[opx]
if blah:
print("Pos:%d Op:0x%02x Name:t%s Sz:%d opcode:%02xh optype:%02xh" \
% (pos, op, oname, sz, opcode, optype), file=bk.logfile)
print("Stack =", stack, file=bk.logfile)
if sz == -2:
msg = 'ERROR *** Unexpected token 0x%02x ("%s"); biff_version=%d' \
% (op, oname, bv)
raise FormulaError(msg)
if not optype:
if 0x00 <= opcode <= 0x02: # unk_opnd, tExp, tTbl
not_in_name_formula(op, oname)
elif 0x03 <= opcode <= 0x0E:
# Add, Sub, Mul, Div, Power
# tConcat
# tLT, ..., tNE
do_binop(opcode, stack)
elif opcode == 0x0F: # tIsect
if blah: print("tIsect pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
sym = ' '
rank = 80 ########## check #######
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
res = Operand(oREF)
res.text = otext
if bop.kind == oERR or aop.kind == oERR:
res.kind = oERR
elif bop.kind == oUNK or aop.kind == oUNK:
# This can happen with undefined
# (go search in the current sheet) labels.
# For example =Bob Sales
# Each label gets a NAME record with an empty formula (!)
# Evaluation of the tName token classifies it as oUNK
# res.kind = oREF
pass
elif bop.kind == oREF == aop.kind:
if aop.value is not None and bop.value is not None:
assert len(aop.value) == 1
assert len(bop.value) == 1
coords = do_box_funcs(
tIsectFuncs, aop.value[0], bop.value[0])
res.value = [Ref3D(coords)]
elif bop.kind == oREL == aop.kind:
res.kind = oREL
if aop.value is not None and bop.value is not None:
assert len(aop.value) == 1
assert len(bop.value) == 1
coords = do_box_funcs(
tIsectFuncs, aop.value[0], bop.value[0])
relfa = aop.value[0].relflags
relfb = bop.value[0].relflags
if relfa == relfb:
res.value = [Ref3D(coords + relfa)]
else:
pass
spush(res)
if blah: print("tIsect post", stack, file=bk.logfile)
elif opcode == 0x10: # tList
if blah: print("tList pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
sym = ','
rank = 80 ########## check #######
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
res = Operand(oREF, None, rank, otext)
if bop.kind == oERR or aop.kind == oERR:
res.kind = oERR
elif bop.kind in (oREF, oREL) and aop.kind in (oREF, oREL):
res.kind = oREF
if aop.kind == oREL or bop.kind == oREL:
res.kind = oREL
if aop.value is not None and bop.value is not None:
assert len(aop.value) >= 1
assert len(bop.value) == 1
res.value = aop.value + bop.value
else:
pass
spush(res)
if blah: print("tList post", stack, file=bk.logfile)
elif opcode == 0x11: # tRange
if blah: print("tRange pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
sym = ':'
rank = 80 ########## check #######
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
res = Operand(oREF, None, rank, otext)
if bop.kind == oERR or aop.kind == oERR:
res = oERR
elif bop.kind == oREF == aop.kind:
if aop.value is not None and bop.value is not None:
assert len(aop.value) == 1
assert len(bop.value) == 1
coords = do_box_funcs(
tRangeFuncs, aop.value[0], bop.value[0])
res.value = [Ref3D(coords)]
elif bop.kind == oREL == aop.kind:
res.kind = oREL
if aop.value is not None and bop.value is not None:
assert len(aop.value) == 1
assert len(bop.value) == 1
coords = do_box_funcs(
tRangeFuncs, aop.value[0], bop.value[0])
relfa = aop.value[0].relflags
relfb = bop.value[0].relflags
if relfa == relfb:
res.value = [Ref3D(coords + relfa)]
else:
pass
spush(res)
if blah: print("tRange post", stack, file=bk.logfile)
elif 0x12 <= opcode <= 0x14: # tUplus, tUminus, tPercent
do_unaryop(opcode, oNUM, stack)
elif opcode == 0x15: # tParen
# source cosmetics
pass
elif opcode == 0x16: # tMissArg
spush(Operand(oMSNG, None, LEAF_RANK, ''))
elif opcode == 0x17: # tStr
if bv <= 70:
strg, newpos = unpack_string_update_pos(
data, pos+1, bk.encoding, lenlen=1)
else:
strg, newpos = unpack_unicode_update_pos(
data, pos+1, lenlen=1)
sz = newpos - pos
if blah: print(" sz=%d strg=%r" % (sz, strg), file=bk.logfile)
text = '"' + strg.replace('"', '""') + '"'
spush(Operand(oSTRG, strg, LEAF_RANK, text))
elif opcode == 0x18: # tExtended
# new with BIFF 8
assert bv >= 80
# not in OOo docs
raise FormulaError("tExtended token not implemented")
elif opcode == 0x19: # tAttr
subop, nc = unpack("<BH", data[pos+1:pos+4])
subname = tAttrNames.get(subop, "??Unknown??")
if subop == 0x04: # Choose
sz = nc * 2 + 6
elif subop == 0x10: # Sum (single arg)
sz = 4
if blah: print("tAttrSum", stack, file=bk.logfile)
assert len(stack) >= 1
aop = stack[-1]
otext = 'SUM(%s)' % aop.text
stack[-1] = Operand(oNUM, None, FUNC_RANK, otext)
else:
sz = 4
if blah:
print(" subop=%02xh subname=t%s sz=%d nc=%02xh" \
% (subop, subname, sz, nc), file=bk.logfile)
elif 0x1A <= opcode <= 0x1B: # tSheet, tEndSheet
assert bv < 50
raise FormulaError("tSheet & tEndsheet tokens not implemented")
elif 0x1C <= opcode <= 0x1F: # tErr, tBool, tInt, tNum
inx = opcode - 0x1C
nb = [1, 1, 2, 8][inx]
kind = [oERR, oBOOL, oNUM, oNUM][inx]
value, = unpack("<" + "BBHd"[inx], data[pos+1:pos+1+nb])
if inx == 2: # tInt
value = float(value)
text = str(value)
elif inx == 3: # tNum
text = str(value)
elif inx == 1: # tBool
text = ('FALSE', 'TRUE')[value]
else:
text = '"' +error_text_from_code[value] + '"'
spush(Operand(kind, value, LEAF_RANK, text))
else:
raise FormulaError("Unhandled opcode: 0x%02x" % opcode)
if sz <= 0:
raise FormulaError("Size not set for opcode 0x%02x" % opcode)
pos += sz
continue
if opcode == 0x00: # tArray
spush(unk_opnd)
elif opcode == 0x01: # tFunc
nb = 1 + int(bv >= 40)
funcx = unpack("<" + " BH"[nb], data[pos+1:pos+1+nb])[0]
func_attrs = func_defs.get(funcx, None)
if not func_attrs:
print("*** formula/tFunc unknown FuncID:%d" \
% funcx, file=bk.logfile)
spush(unk_opnd)
else:
func_name, nargs = func_attrs[:2]
if blah:
print(" FuncID=%d name=%s nargs=%d" \
% (funcx, func_name, nargs), file=bk.logfile)
assert len(stack) >= nargs
if nargs:
argtext = listsep.join([arg.text for arg in stack[-nargs:]])
otext = "%s(%s)" % (func_name, argtext)
del stack[-nargs:]
else:
otext = func_name + "()"
res = Operand(oUNK, None, FUNC_RANK, otext)
spush(res)
elif opcode == 0x02: #tFuncVar
nb = 1 + int(bv >= 40)
nargs, funcx = unpack("<B" + " BH"[nb], data[pos+1:pos+2+nb])
prompt, nargs = divmod(nargs, 128)
macro, funcx = divmod(funcx, 32768)
if blah:
print(" FuncID=%d nargs=%d macro=%d prompt=%d" \
% (funcx, nargs, macro, prompt), file=bk.logfile)
func_attrs = func_defs.get(funcx, None)
if not func_attrs:
print("*** formula/tFuncVar unknown FuncID:%d" \
% funcx, file=bk.logfile)
spush(unk_opnd)
else:
func_name, minargs, maxargs = func_attrs[:3]
if blah:
print(" name: %r, min~max args: %d~%d" \
% (func_name, minargs, maxargs), file=bk.logfile)
assert minargs <= nargs <= maxargs
assert len(stack) >= nargs
assert len(stack) >= nargs
argtext = listsep.join([arg.text for arg in stack[-nargs:]])
otext = "%s(%s)" % (func_name, argtext)
res = Operand(oUNK, None, FUNC_RANK, otext)
if funcx == 1: # IF
testarg = stack[-nargs]
if testarg.kind not in (oNUM, oBOOL):
if blah and testarg.kind != oUNK:
print("IF testarg kind?", file=bk.logfile)
elif testarg.value not in (0, 1):
if blah and testarg.value is not None:
print("IF testarg value?", file=bk.logfile)
else:
if nargs == 2 and not testarg.value:
# IF(FALSE, tv) => FALSE
res.kind, res.value = oBOOL, 0
else:
respos = -nargs + 2 - int(testarg.value)
chosen = stack[respos]
if chosen.kind == oMSNG:
res.kind, res.value = oNUM, 0
else:
res.kind, res.value = chosen.kind, chosen.value
if blah:
print("$$$$$$ IF => constant", file=bk.logfile)
elif funcx == 100: # CHOOSE
testarg = stack[-nargs]
if testarg.kind == oNUM:
if 1 <= testarg.value < nargs:
chosen = stack[-nargs + int(testarg.value)]
if chosen.kind == oMSNG:
res.kind, res.value = oNUM, 0
else:
res.kind, res.value = chosen.kind, chosen.value
del stack[-nargs:]
spush(res)
elif opcode == 0x03: #tName
tgtnamex = unpack("<H", data[pos+1:pos+3])[0] - 1
# Only change with BIFF version is number of trailing UNUSED bytes!
if blah: print(" tgtnamex=%d" % tgtnamex, file=bk.logfile)
tgtobj = bk.name_obj_list[tgtnamex]
if not tgtobj.evaluated:
### recursive ###
evaluate_name_formula(bk, tgtobj, tgtnamex, blah, level+1)
if tgtobj.macro or tgtobj.binary \
or tgtobj.any_err:
if blah:
tgtobj.dump(
bk.logfile,
header="!!! tgtobj has problems!!!",
footer="----------- --------",
)
res = Operand(oUNK, None)
any_err = any_err or tgtobj.macro or tgtobj.binary or tgtobj.any_err
any_rel = any_rel or tgtobj.any_rel
else:
assert len(tgtobj.stack) == 1
res = copy.deepcopy(tgtobj.stack[0])
res.rank = LEAF_RANK
if tgtobj.scope == -1:
res.text = tgtobj.name
else:
res.text = "%s!%s" \
% (bk._sheet_names[tgtobj.scope], tgtobj.name)
if blah:
print(" tName: setting text to", repr(res.text), file=bk.logfile)
spush(res)
elif opcode == 0x04: # tRef
# not_in_name_formula(op, oname)
res = get_cell_addr(data, pos+1, bv, reldelta)
if blah: print(" ", res, file=bk.logfile)
rowx, colx, row_rel, col_rel = res
shx1 = shx2 = 0 ####### N.B. relative to the CURRENT SHEET
any_rel = 1
coords = (shx1, shx2+1, rowx, rowx+1, colx, colx+1)
if blah: print(" ", coords, file=bk.logfile)
res = Operand(oUNK, None)
if optype == 1:
relflags = (1, 1, row_rel, row_rel, col_rel, col_rel)
res = Operand(oREL, [Ref3D(coords + relflags)])
spush(res)
elif opcode == 0x05: # tArea
# not_in_name_formula(op, oname)
res1, res2 = get_cell_range_addr(data, pos+1, bv, reldelta)
if blah: print(" ", res1, res2, file=bk.logfile)
rowx1, colx1, row_rel1, col_rel1 = res1
rowx2, colx2, row_rel2, col_rel2 = res2
shx1 = shx2 = 0 ####### N.B. relative to the CURRENT SHEET
any_rel = 1
coords = (shx1, shx2+1, rowx1, rowx2+1, colx1, colx2+1)
if blah: print(" ", coords, file=bk.logfile)
res = Operand(oUNK, None)
if optype == 1:
relflags = (1, 1, row_rel1, row_rel2, col_rel1, col_rel2)
res = Operand(oREL, [Ref3D(coords + relflags)])
spush(res)
elif opcode == 0x06: # tMemArea
not_in_name_formula(op, oname)
elif opcode == 0x09: # tMemFunc
nb = unpack("<H", data[pos+1:pos+3])[0]
if blah: print(" %d bytes of cell ref formula" % nb, file=bk.logfile)
# no effect on stack
elif opcode == 0x0C: #tRefN
not_in_name_formula(op, oname)
# res = get_cell_addr(data, pos+1, bv, reldelta=1)
# # note *ALL* tRefN usage has signed offset for relative addresses
# any_rel = 1
# if blah: print >> bk.logfile, " ", res
# spush(res)
elif opcode == 0x0D: #tAreaN
not_in_name_formula(op, oname)
# res = get_cell_range_addr(data, pos+1, bv, reldelta=1)
# # note *ALL* tAreaN usage has signed offset for relative addresses
# any_rel = 1
# if blah: print >> bk.logfile, " ", res
elif opcode == 0x1A: # tRef3d
if bv >= 80:
res = get_cell_addr(data, pos+3, bv, reldelta)
refx = unpack("<H", data[pos+1:pos+3])[0]
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
else:
res = get_cell_addr(data, pos+15, bv, reldelta)
raw_extshtx, raw_shx1, raw_shx2 = \
unpack("<hxxxxxxxxhh", data[pos+1:pos+15])
if blah:
print("tRef3d", raw_extshtx, raw_shx1, raw_shx2, file=bk.logfile)
shx1, shx2 = get_externsheet_local_range_b57(
bk, raw_extshtx, raw_shx1, raw_shx2, blah)
rowx, colx, row_rel, col_rel = res
is_rel = row_rel or col_rel
any_rel = any_rel or is_rel
coords = (shx1, shx2+1, rowx, rowx+1, colx, colx+1)
any_err |= shx1 < -1
if blah: print(" ", coords, file=bk.logfile)
res = Operand(oUNK, None)
if is_rel:
relflags = (0, 0, row_rel, row_rel, col_rel, col_rel)
ref3d = Ref3D(coords + relflags)
res.kind = oREL
res.text = rangename3drel(bk, ref3d, r1c1=1)
else:
ref3d = Ref3D(coords)
res.kind = oREF
res.text = rangename3d(bk, ref3d)
res.rank = LEAF_RANK
if optype == 1:
res.value = [ref3d]
spush(res)
elif opcode == 0x1B: # tArea3d
if bv >= 80:
res1, res2 = get_cell_range_addr(data, pos+3, bv, reldelta)
refx = unpack("<H", data[pos+1:pos+3])[0]
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
else:
res1, res2 = get_cell_range_addr(data, pos+15, bv, reldelta)
raw_extshtx, raw_shx1, raw_shx2 = \
unpack("<hxxxxxxxxhh", data[pos+1:pos+15])
if blah:
print("tArea3d", raw_extshtx, raw_shx1, raw_shx2, file=bk.logfile)
shx1, shx2 = get_externsheet_local_range_b57(
bk, raw_extshtx, raw_shx1, raw_shx2, blah)
any_err |= shx1 < -1
rowx1, colx1, row_rel1, col_rel1 = res1
rowx2, colx2, row_rel2, col_rel2 = res2
is_rel = row_rel1 or col_rel1 or row_rel2 or col_rel2
any_rel = any_rel or is_rel
coords = (shx1, shx2+1, rowx1, rowx2+1, colx1, colx2+1)
if blah: print(" ", coords, file=bk.logfile)
res = Operand(oUNK, None)
if is_rel:
relflags = (0, 0, row_rel1, row_rel2, col_rel1, col_rel2)
ref3d = Ref3D(coords + relflags)
res.kind = oREL
res.text = rangename3drel(bk, ref3d, r1c1=1)
else:
ref3d = Ref3D(coords)
res.kind = oREF
res.text = rangename3d(bk, ref3d)
res.rank = LEAF_RANK
if optype == 1:
res.value = [ref3d]
spush(res)
elif opcode == 0x19: # tNameX
dodgy = 0
res = Operand(oUNK, None)
if bv >= 80:
refx, tgtnamex = unpack("<HH", data[pos+1:pos+5])
tgtnamex -= 1
origrefx = refx
else:
refx, tgtnamex = unpack("<hxxxxxxxxH", data[pos+1:pos+13])
tgtnamex -= 1
origrefx = refx
if refx > 0:
refx -= 1
elif refx < 0:
refx = -refx - 1
else:
dodgy = 1
if blah:
print(" origrefx=%d refx=%d tgtnamex=%d dodgy=%d" \
% (origrefx, refx, tgtnamex, dodgy), file=bk.logfile)
if tgtnamex == namex:
if blah: print("!!!! Self-referential !!!!", file=bk.logfile)
dodgy = any_err = 1
if not dodgy:
if bv >= 80:
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
elif origrefx > 0:
shx1, shx2 = (-4, -4) # external ref
else:
exty = bk._externsheet_type_b57[refx]
if exty == 4: # non-specific sheet in own doc't
shx1, shx2 = (-1, -1) # internal, any sheet
else:
shx1, shx2 = (-666, -666)
if dodgy or shx1 < -1:
otext = "<<Name #%d in external(?) file #%d>>" \
% (tgtnamex, origrefx)
res = Operand(oUNK, None, LEAF_RANK, otext)
else:
tgtobj = bk.name_obj_list[tgtnamex]
if not tgtobj.evaluated:
### recursive ###
evaluate_name_formula(bk, tgtobj, tgtnamex, blah, level+1)
if tgtobj.macro or tgtobj.binary \
or tgtobj.any_err:
if blah:
tgtobj.dump(
bk.logfile,
header="!!! bad tgtobj !!!",
footer="------------------",
)
res = Operand(oUNK, None)
any_err = any_err or tgtobj.macro or tgtobj.binary or tgtobj.any_err
any_rel = any_rel or tgtobj.any_rel
else:
assert len(tgtobj.stack) == 1
res = copy.deepcopy(tgtobj.stack[0])
res.rank = LEAF_RANK
if tgtobj.scope == -1:
res.text = tgtobj.name
else:
res.text = "%s!%s" \
% (bk._sheet_names[tgtobj.scope], tgtobj.name)
if blah:
print(" tNameX: setting text to", repr(res.text), file=bk.logfile)
spush(res)
elif opcode in error_opcodes:
any_err = 1
spush(error_opnd)
else:
if blah:
print("FORMULA: /// Not handled yet: t" + oname, file=bk.logfile)
any_err = 1
if sz <= 0:
raise FormulaError("Fatal: token size is not positive")
pos += sz
any_rel = not not any_rel
if blah:
fprintf(bk.logfile, "End of formula. level=%d any_rel=%d any_err=%d stack=%r\n",
level, not not any_rel, any_err, stack)
if len(stack) >= 2:
print("*** Stack has unprocessed args", file=bk.logfile)
print(file=bk.logfile)
nobj.stack = stack
if len(stack) != 1:
nobj.result = None
else:
nobj.result = stack[0]
nobj.any_rel = any_rel
nobj.any_err = any_err
nobj.any_external = any_external
nobj.evaluated = 1
#### under construction #############################################################################
[docs]def decompile_formula(bk, fmla, fmlalen,
fmlatype=None, browx=None, bcolx=None,
blah=0, level=0, r1c1=0):
if level > STACK_ALARM_LEVEL:
blah = 1
reldelta = fmlatype in (FMLA_TYPE_SHARED, FMLA_TYPE_NAME, FMLA_TYPE_COND_FMT, FMLA_TYPE_DATA_VAL)
data = fmla
bv = bk.biff_version
if blah:
print("::: decompile_formula len=%d fmlatype=%r browx=%r bcolx=%r reldelta=%d %r level=%d" \
% (fmlalen, fmlatype, browx, bcolx, reldelta, data, level), file=bk.logfile)
hex_char_dump(data, 0, fmlalen, fout=bk.logfile)
if level > STACK_PANIC_LEVEL:
raise XLRDError("Excessive indirect references in formula")
sztab = szdict[bv]
pos = 0
stack = []
any_rel = 0
any_err = 0
any_external = 0
unk_opnd = Operand(oUNK, None)
error_opnd = Operand(oERR, None)
spush = stack.append
def do_binop(opcd, stk):
assert len(stk) >= 2
bop = stk.pop()
aop = stk.pop()
argdict, result_kind, func, rank, sym = binop_rules[opcd]
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
resop = Operand(result_kind, None, rank, otext)
stk.append(resop)
def do_unaryop(opcode, result_kind, stk):
assert len(stk) >= 1
aop = stk.pop()
func, rank, sym1, sym2 = unop_rules[opcode]
otext = ''.join([
sym1,
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym2,
])
stk.append(Operand(result_kind, None, rank, otext))
def unexpected_opcode(op_arg, oname_arg):
msg = "ERROR *** Unexpected token 0x%02x (%s) found in formula type %s" \
% (op_arg, oname_arg, FMLA_TYPEDESCR_MAP[fmlatype])
print(msg, file=bk.logfile)
# raise FormulaError(msg)
if fmlalen == 0:
stack = [unk_opnd]
while 0 <= pos < fmlalen:
op = BYTES_ORD(data[pos])
opcode = op & 0x1f
optype = (op & 0x60) >> 5
if optype:
opx = opcode + 32
else:
opx = opcode
oname = onames[opx] # + [" RVA"][optype]
sz = sztab[opx]
if blah:
print("Pos:%d Op:0x%02x opname:t%s Sz:%d opcode:%02xh optype:%02xh" \
% (pos, op, oname, sz, opcode, optype), file=bk.logfile)
print("Stack =", stack, file=bk.logfile)
if sz == -2:
msg = 'ERROR *** Unexpected token 0x%02x ("%s"); biff_version=%d' \
% (op, oname, bv)
raise FormulaError(msg)
if _TOKEN_NOT_ALLOWED(opx, 0) & fmlatype:
unexpected_opcode(op, oname)
if not optype:
if opcode <= 0x01: # tExp
if bv >= 30:
fmt = '<x2H'
else:
fmt = '<xHB'
assert pos == 0 and fmlalen == sz and not stack
rowx, colx = unpack(fmt, data)
text = "SHARED FMLA at rowx=%d colx=%d" % (rowx, colx)
spush(Operand(oUNK, None, LEAF_RANK, text))
if not fmlatype & (FMLA_TYPE_CELL | FMLA_TYPE_ARRAY):
unexpected_opcode(op, oname)
elif 0x03 <= opcode <= 0x0E:
# Add, Sub, Mul, Div, Power
# tConcat
# tLT, ..., tNE
do_binop(opcode, stack)
elif opcode == 0x0F: # tIsect
if blah: print("tIsect pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
sym = ' '
rank = 80 ########## check #######
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
res = Operand(oREF)
res.text = otext
if bop.kind == oERR or aop.kind == oERR:
res.kind = oERR
elif bop.kind == oUNK or aop.kind == oUNK:
# This can happen with undefined
# (go search in the current sheet) labels.
# For example =Bob Sales
# Each label gets a NAME record with an empty formula (!)
# Evaluation of the tName token classifies it as oUNK
# res.kind = oREF
pass
elif bop.kind == oREF == aop.kind:
pass
elif bop.kind == oREL == aop.kind:
res.kind = oREL
else:
pass
spush(res)
if blah: print("tIsect post", stack, file=bk.logfile)
elif opcode == 0x10: # tList
if blah: print("tList pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
sym = ','
rank = 80 ########## check #######
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
res = Operand(oREF, None, rank, otext)
if bop.kind == oERR or aop.kind == oERR:
res.kind = oERR
elif bop.kind in (oREF, oREL) and aop.kind in (oREF, oREL):
res.kind = oREF
if aop.kind == oREL or bop.kind == oREL:
res.kind = oREL
else:
pass
spush(res)
if blah: print("tList post", stack, file=bk.logfile)
elif opcode == 0x11: # tRange
if blah: print("tRange pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
sym = ':'
rank = 80 ########## check #######
otext = ''.join([
'('[:aop.rank < rank],
aop.text,
')'[:aop.rank < rank],
sym,
'('[:bop.rank < rank],
bop.text,
')'[:bop.rank < rank],
])
res = Operand(oREF, None, rank, otext)
if bop.kind == oERR or aop.kind == oERR:
res = oERR
elif bop.kind == oREF == aop.kind:
pass
else:
pass
spush(res)
if blah: print("tRange post", stack, file=bk.logfile)
elif 0x12 <= opcode <= 0x14: # tUplus, tUminus, tPercent
do_unaryop(opcode, oNUM, stack)
elif opcode == 0x15: # tParen
# source cosmetics
pass
elif opcode == 0x16: # tMissArg
spush(Operand(oMSNG, None, LEAF_RANK, ''))
elif opcode == 0x17: # tStr
if bv <= 70:
strg, newpos = unpack_string_update_pos(
data, pos+1, bk.encoding, lenlen=1)
else:
strg, newpos = unpack_unicode_update_pos(
data, pos+1, lenlen=1)
sz = newpos - pos
if blah: print(" sz=%d strg=%r" % (sz, strg), file=bk.logfile)
text = '"' + strg.replace('"', '""') + '"'
spush(Operand(oSTRG, None, LEAF_RANK, text))
elif opcode == 0x18: # tExtended
# new with BIFF 8
assert bv >= 80
# not in OOo docs, don't even know how to determine its length
raise FormulaError("tExtended token not implemented")
elif opcode == 0x19: # tAttr
subop, nc = unpack("<BH", data[pos+1:pos+4])
subname = tAttrNames.get(subop, "??Unknown??")
if subop == 0x04: # Choose
sz = nc * 2 + 6
elif subop == 0x10: # Sum (single arg)
sz = 4
if blah: print("tAttrSum", stack, file=bk.logfile)
assert len(stack) >= 1
aop = stack[-1]
otext = 'SUM(%s)' % aop.text
stack[-1] = Operand(oNUM, None, FUNC_RANK, otext)
else:
sz = 4
if blah:
print(" subop=%02xh subname=t%s sz=%d nc=%02xh" \
% (subop, subname, sz, nc), file=bk.logfile)
elif 0x1A <= opcode <= 0x1B: # tSheet, tEndSheet
assert bv < 50
raise FormulaError("tSheet & tEndsheet tokens not implemented")
elif 0x1C <= opcode <= 0x1F: # tErr, tBool, tInt, tNum
inx = opcode - 0x1C
nb = [1, 1, 2, 8][inx]
kind = [oERR, oBOOL, oNUM, oNUM][inx]
value, = unpack("<" + "BBHd"[inx], data[pos+1:pos+1+nb])
if inx == 2: # tInt
value = float(value)
text = str(value)
elif inx == 3: # tNum
text = str(value)
elif inx == 1: # tBool
text = ('FALSE', 'TRUE')[value]
else:
text = '"' +error_text_from_code[value] + '"'
spush(Operand(kind, None, LEAF_RANK, text))
else:
raise FormulaError("Unhandled opcode: 0x%02x" % opcode)
if sz <= 0:
raise FormulaError("Size not set for opcode 0x%02x" % opcode)
pos += sz
continue
if opcode == 0x00: # tArray
spush(unk_opnd)
elif opcode == 0x01: # tFunc
nb = 1 + int(bv >= 40)
funcx = unpack("<" + " BH"[nb], data[pos+1:pos+1+nb])[0]
func_attrs = func_defs.get(funcx, None)
if not func_attrs:
print("*** formula/tFunc unknown FuncID:%d" % funcx, file=bk.logfile)
spush(unk_opnd)
else:
func_name, nargs = func_attrs[:2]
if blah:
print(" FuncID=%d name=%s nargs=%d" \
% (funcx, func_name, nargs), file=bk.logfile)
assert len(stack) >= nargs
if nargs:
argtext = listsep.join([arg.text for arg in stack[-nargs:]])
otext = "%s(%s)" % (func_name, argtext)
del stack[-nargs:]
else:
otext = func_name + "()"
res = Operand(oUNK, None, FUNC_RANK, otext)
spush(res)
elif opcode == 0x02: #tFuncVar
nb = 1 + int(bv >= 40)
nargs, funcx = unpack("<B" + " BH"[nb], data[pos+1:pos+2+nb])
prompt, nargs = divmod(nargs, 128)
macro, funcx = divmod(funcx, 32768)
if blah:
print(" FuncID=%d nargs=%d macro=%d prompt=%d" \
% (funcx, nargs, macro, prompt), file=bk.logfile)
#### TODO #### if funcx == 255: # call add-in function
if funcx == 255:
func_attrs = ("CALL_ADDIN", 1, 30)
else:
func_attrs = func_defs.get(funcx, None)
if not func_attrs:
print("*** formula/tFuncVar unknown FuncID:%d" \
% funcx, file=bk.logfile)
spush(unk_opnd)
else:
func_name, minargs, maxargs = func_attrs[:3]
if blah:
print(" name: %r, min~max args: %d~%d" \
% (func_name, minargs, maxargs), file=bk.logfile)
assert minargs <= nargs <= maxargs
assert len(stack) >= nargs
assert len(stack) >= nargs
argtext = listsep.join([arg.text for arg in stack[-nargs:]])
otext = "%s(%s)" % (func_name, argtext)
res = Operand(oUNK, None, FUNC_RANK, otext)
del stack[-nargs:]
spush(res)
elif opcode == 0x03: #tName
tgtnamex = unpack("<H", data[pos+1:pos+3])[0] - 1
# Only change with BIFF version is number of trailing UNUSED bytes!
if blah: print(" tgtnamex=%d" % tgtnamex, file=bk.logfile)
tgtobj = bk.name_obj_list[tgtnamex]
if tgtobj.scope == -1:
otext = tgtobj.name
else:
otext = "%s!%s" % (bk._sheet_names[tgtobj.scope], tgtobj.name)
if blah:
print(" tName: setting text to", repr(otext), file=bk.logfile)
res = Operand(oUNK, None, LEAF_RANK, otext)
spush(res)
elif opcode == 0x04: # tRef
res = get_cell_addr(data, pos+1, bv, reldelta, browx, bcolx)
if blah: print(" ", res, file=bk.logfile)
rowx, colx, row_rel, col_rel = res
is_rel = row_rel or col_rel
if is_rel:
okind = oREL
else:
okind = oREF
otext = cellnamerel(rowx, colx, row_rel, col_rel, browx, bcolx, r1c1)
res = Operand(okind, None, LEAF_RANK, otext)
spush(res)
elif opcode == 0x05: # tArea
res1, res2 = get_cell_range_addr(
data, pos+1, bv, reldelta, browx, bcolx)
if blah: print(" ", res1, res2, file=bk.logfile)
rowx1, colx1, row_rel1, col_rel1 = res1
rowx2, colx2, row_rel2, col_rel2 = res2
coords = (rowx1, rowx2+1, colx1, colx2+1)
relflags = (row_rel1, row_rel2, col_rel1, col_rel2)
if sum(relflags): # relative
okind = oREL
else:
okind = oREF
if blah: print(" ", coords, relflags, file=bk.logfile)
otext = rangename2drel(coords, relflags, browx, bcolx, r1c1)
res = Operand(okind, None, LEAF_RANK, otext)
spush(res)
elif opcode == 0x06: # tMemArea
not_in_name_formula(op, oname)
elif opcode == 0x09: # tMemFunc
nb = unpack("<H", data[pos+1:pos+3])[0]
if blah: print(" %d bytes of cell ref formula" % nb, file=bk.logfile)
# no effect on stack
elif opcode == 0x0C: #tRefN
res = get_cell_addr(data, pos+1, bv, reldelta, browx, bcolx)
# note *ALL* tRefN usage has signed offset for relative addresses
any_rel = 1
if blah: print(" ", res, file=bk.logfile)
rowx, colx, row_rel, col_rel = res
is_rel = row_rel or col_rel
if is_rel:
okind = oREL
else:
okind = oREF
otext = cellnamerel(rowx, colx, row_rel, col_rel, browx, bcolx, r1c1)
res = Operand(okind, None, LEAF_RANK, otext)
spush(res)
elif opcode == 0x0D: #tAreaN
# res = get_cell_range_addr(data, pos+1, bv, reldelta, browx, bcolx)
# # note *ALL* tAreaN usage has signed offset for relative addresses
# any_rel = 1
# if blah: print >> bk.logfile, " ", res
res1, res2 = get_cell_range_addr(
data, pos+1, bv, reldelta, browx, bcolx)
if blah: print(" ", res1, res2, file=bk.logfile)
rowx1, colx1, row_rel1, col_rel1 = res1
rowx2, colx2, row_rel2, col_rel2 = res2
coords = (rowx1, rowx2+1, colx1, colx2+1)
relflags = (row_rel1, row_rel2, col_rel1, col_rel2)
if sum(relflags): # relative
okind = oREL
else:
okind = oREF
if blah: print(" ", coords, relflags, file=bk.logfile)
otext = rangename2drel(coords, relflags, browx, bcolx, r1c1)
res = Operand(okind, None, LEAF_RANK, otext)
spush(res)
elif opcode == 0x1A: # tRef3d
if bv >= 80:
res = get_cell_addr(data, pos+3, bv, reldelta, browx, bcolx)
refx = unpack("<H", data[pos+1:pos+3])[0]
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
else:
res = get_cell_addr(data, pos+15, bv, reldelta, browx, bcolx)
raw_extshtx, raw_shx1, raw_shx2 = \
unpack("<hxxxxxxxxhh", data[pos+1:pos+15])
if blah:
print("tRef3d", raw_extshtx, raw_shx1, raw_shx2, file=bk.logfile)
shx1, shx2 = get_externsheet_local_range_b57(
bk, raw_extshtx, raw_shx1, raw_shx2, blah)
rowx, colx, row_rel, col_rel = res
is_rel = row_rel or col_rel
any_rel = any_rel or is_rel
coords = (shx1, shx2+1, rowx, rowx+1, colx, colx+1)
any_err |= shx1 < -1
if blah: print(" ", coords, file=bk.logfile)
res = Operand(oUNK, None)
if is_rel:
relflags = (0, 0, row_rel, row_rel, col_rel, col_rel)
ref3d = Ref3D(coords + relflags)
res.kind = oREL
res.text = rangename3drel(bk, ref3d, browx, bcolx, r1c1)
else:
ref3d = Ref3D(coords)
res.kind = oREF
res.text = rangename3d(bk, ref3d)
res.rank = LEAF_RANK
res.value = None
spush(res)
elif opcode == 0x1B: # tArea3d
if bv >= 80:
res1, res2 = get_cell_range_addr(data, pos+3, bv, reldelta)
refx = unpack("<H", data[pos+1:pos+3])[0]
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
else:
res1, res2 = get_cell_range_addr(data, pos+15, bv, reldelta)
raw_extshtx, raw_shx1, raw_shx2 = \
unpack("<hxxxxxxxxhh", data[pos+1:pos+15])
if blah:
print("tArea3d", raw_extshtx, raw_shx1, raw_shx2, file=bk.logfile)
shx1, shx2 = get_externsheet_local_range_b57(
bk, raw_extshtx, raw_shx1, raw_shx2, blah)
any_err |= shx1 < -1
rowx1, colx1, row_rel1, col_rel1 = res1
rowx2, colx2, row_rel2, col_rel2 = res2
is_rel = row_rel1 or col_rel1 or row_rel2 or col_rel2
any_rel = any_rel or is_rel
coords = (shx1, shx2+1, rowx1, rowx2+1, colx1, colx2+1)
if blah: print(" ", coords, file=bk.logfile)
res = Operand(oUNK, None)
if is_rel:
relflags = (0, 0, row_rel1, row_rel2, col_rel1, col_rel2)
ref3d = Ref3D(coords + relflags)
res.kind = oREL
res.text = rangename3drel(bk, ref3d, browx, bcolx, r1c1)
else:
ref3d = Ref3D(coords)
res.kind = oREF
res.text = rangename3d(bk, ref3d)
res.rank = LEAF_RANK
spush(res)
elif opcode == 0x19: # tNameX
dodgy = 0
res = Operand(oUNK, None)
if bv >= 80:
refx, tgtnamex = unpack("<HH", data[pos+1:pos+5])
tgtnamex -= 1
origrefx = refx
else:
refx, tgtnamex = unpack("<hxxxxxxxxH", data[pos+1:pos+13])
tgtnamex -= 1
origrefx = refx
if refx > 0:
refx -= 1
elif refx < 0:
refx = -refx - 1
else:
dodgy = 1
if blah:
print(" origrefx=%d refx=%d tgtnamex=%d dodgy=%d" \
% (origrefx, refx, tgtnamex, dodgy), file=bk.logfile)
# if tgtnamex == namex:
# if blah: print >> bk.logfile, "!!!! Self-referential !!!!"
# dodgy = any_err = 1
if not dodgy:
if bv >= 80:
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
elif origrefx > 0:
shx1, shx2 = (-4, -4) # external ref
else:
exty = bk._externsheet_type_b57[refx]
if exty == 4: # non-specific sheet in own doc't
shx1, shx2 = (-1, -1) # internal, any sheet
else:
shx1, shx2 = (-666, -666)
okind = oUNK
ovalue = None
if shx1 == -5: # addin func name
okind = oSTRG
ovalue = bk.addin_func_names[tgtnamex]
otext = '"' + ovalue.replace('"', '""') + '"'
elif dodgy or shx1 < -1:
otext = "<<Name #%d in external(?) file #%d>>" \
% (tgtnamex, origrefx)
else:
tgtobj = bk.name_obj_list[tgtnamex]
if tgtobj.scope == -1:
otext = tgtobj.name
else:
otext = "%s!%s" \
% (bk._sheet_names[tgtobj.scope], tgtobj.name)
if blah:
print(" tNameX: setting text to", repr(res.text), file=bk.logfile)
res = Operand(okind, ovalue, LEAF_RANK, otext)
spush(res)
elif opcode in error_opcodes:
any_err = 1
spush(error_opnd)
else:
if blah:
print("FORMULA: /// Not handled yet: t" + oname, file=bk.logfile)
any_err = 1
if sz <= 0:
raise FormulaError("Fatal: token size is not positive")
pos += sz
any_rel = not not any_rel
if blah:
print("End of formula. level=%d any_rel=%d any_err=%d stack=%r" % \
(level, not not any_rel, any_err, stack), file=bk.logfile)
if len(stack) >= 2:
print("*** Stack has unprocessed args", file=bk.logfile)
print(file=bk.logfile)
if len(stack) != 1:
result = None
else:
result = stack[0].text
return result
#### under deconstruction ###
[docs]def dump_formula(bk, data, fmlalen, bv, reldelta, blah=0, isname=0):
if blah:
print("dump_formula", fmlalen, bv, len(data), file=bk.logfile)
hex_char_dump(data, 0, fmlalen, fout=bk.logfile)
assert bv >= 80 #### this function needs updating ####
sztab = szdict[bv]
pos = 0
stack = []
any_rel = 0
any_err = 0
spush = stack.append
while 0 <= pos < fmlalen:
op = BYTES_ORD(data[pos])
opcode = op & 0x1f
optype = (op & 0x60) >> 5
if optype:
opx = opcode + 32
else:
opx = opcode
oname = onames[opx] # + [" RVA"][optype]
sz = sztab[opx]
if blah:
print("Pos:%d Op:0x%02x Name:t%s Sz:%d opcode:%02xh optype:%02xh" \
% (pos, op, oname, sz, opcode, optype), file=bk.logfile)
if not optype:
if 0x01 <= opcode <= 0x02: # tExp, tTbl
# reference to a shared formula or table record
rowx, colx = unpack("<HH", data[pos+1:pos+5])
if blah: print(" ", (rowx, colx), file=bk.logfile)
elif opcode == 0x10: # tList
if blah: print("tList pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
spush(aop + bop)
if blah: print("tlist post", stack, file=bk.logfile)
elif opcode == 0x11: # tRange
if blah: print("tRange pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
assert len(aop) == 1
assert len(bop) == 1
result = do_box_funcs(tRangeFuncs, aop[0], bop[0])
spush(result)
if blah: print("tRange post", stack, file=bk.logfile)
elif opcode == 0x0F: # tIsect
if blah: print("tIsect pre", stack, file=bk.logfile)
assert len(stack) >= 2
bop = stack.pop()
aop = stack.pop()
assert len(aop) == 1
assert len(bop) == 1
result = do_box_funcs(tIsectFuncs, aop[0], bop[0])
spush(result)
if blah: print("tIsect post", stack, file=bk.logfile)
elif opcode == 0x19: # tAttr
subop, nc = unpack("<BH", data[pos+1:pos+4])
subname = tAttrNames.get(subop, "??Unknown??")
if subop == 0x04: # Choose
sz = nc * 2 + 6
else:
sz = 4
if blah: print(" subop=%02xh subname=t%s sz=%d nc=%02xh" % (subop, subname, sz, nc), file=bk.logfile)
elif opcode == 0x17: # tStr
if bv <= 70:
nc = BYTES_ORD(data[pos+1])
strg = data[pos+2:pos+2+nc] # left in 8-bit encoding
sz = nc + 2
else:
strg, newpos = unpack_unicode_update_pos(data, pos+1, lenlen=1)
sz = newpos - pos
if blah: print(" sz=%d strg=%r" % (sz, strg), file=bk.logfile)
else:
if sz <= 0:
print("**** Dud size; exiting ****", file=bk.logfile)
return
pos += sz
continue
if opcode == 0x00: # tArray
pass
elif opcode == 0x01: # tFunc
nb = 1 + int(bv >= 40)
funcx = unpack("<" + " BH"[nb], data[pos+1:pos+1+nb])
if blah: print(" FuncID=%d" % funcx, file=bk.logfile)
elif opcode == 0x02: #tFuncVar
nb = 1 + int(bv >= 40)
nargs, funcx = unpack("<B" + " BH"[nb], data[pos+1:pos+2+nb])
prompt, nargs = divmod(nargs, 128)
macro, funcx = divmod(funcx, 32768)
if blah: print(" FuncID=%d nargs=%d macro=%d prompt=%d" % (funcx, nargs, macro, prompt), file=bk.logfile)
elif opcode == 0x03: #tName
namex = unpack("<H", data[pos+1:pos+3])
# Only change with BIFF version is the number of trailing UNUSED bytes!!!
if blah: print(" namex=%d" % namex, file=bk.logfile)
elif opcode == 0x04: # tRef
res = get_cell_addr(data, pos+1, bv, reldelta)
if blah: print(" ", res, file=bk.logfile)
elif opcode == 0x05: # tArea
res = get_cell_range_addr(data, pos+1, bv, reldelta)
if blah: print(" ", res, file=bk.logfile)
elif opcode == 0x09: # tMemFunc
nb = unpack("<H", data[pos+1:pos+3])[0]
if blah: print(" %d bytes of cell ref formula" % nb, file=bk.logfile)
elif opcode == 0x0C: #tRefN
res = get_cell_addr(data, pos+1, bv, reldelta=1)
# note *ALL* tRefN usage has signed offset for relative addresses
any_rel = 1
if blah: print(" ", res, file=bk.logfile)
elif opcode == 0x0D: #tAreaN
res = get_cell_range_addr(data, pos+1, bv, reldelta=1)
# note *ALL* tAreaN usage has signed offset for relative addresses
any_rel = 1
if blah: print(" ", res, file=bk.logfile)
elif opcode == 0x1A: # tRef3d
refx = unpack("<H", data[pos+1:pos+3])[0]
res = get_cell_addr(data, pos+3, bv, reldelta)
if blah: print(" ", refx, res, file=bk.logfile)
rowx, colx, row_rel, col_rel = res
any_rel = any_rel or row_rel or col_rel
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
any_err |= shx1 < -1
coords = (shx1, shx2+1, rowx, rowx+1, colx, colx+1)
if blah: print(" ", coords, file=bk.logfile)
if optype == 1: spush([coords])
elif opcode == 0x1B: # tArea3d
refx = unpack("<H", data[pos+1:pos+3])[0]
res1, res2 = get_cell_range_addr(data, pos+3, bv, reldelta)
if blah: print(" ", refx, res1, res2, file=bk.logfile)
rowx1, colx1, row_rel1, col_rel1 = res1
rowx2, colx2, row_rel2, col_rel2 = res2
any_rel = any_rel or row_rel1 or col_rel1 or row_rel2 or col_rel2
shx1, shx2 = get_externsheet_local_range(bk, refx, blah)
any_err |= shx1 < -1
coords = (shx1, shx2+1, rowx1, rowx2+1, colx1, colx2+1)
if blah: print(" ", coords, file=bk.logfile)
if optype == 1: spush([coords])
elif opcode == 0x19: # tNameX
refx, namex = unpack("<HH", data[pos+1:pos+5])
if blah: print(" refx=%d namex=%d" % (refx, namex), file=bk.logfile)
elif opcode in error_opcodes:
any_err = 1
else:
if blah: print("FORMULA: /// Not handled yet: t" + oname, file=bk.logfile)
any_err = 1
if sz <= 0:
print("**** Dud size; exiting ****", file=bk.logfile)
return
pos += sz
if blah:
print("End of formula. any_rel=%d any_err=%d stack=%r" % \
(not not any_rel, any_err, stack), file=bk.logfile)
if len(stack) >= 2:
print("*** Stack has unprocessed args", file=bk.logfile)
# === Some helper functions for displaying cell references ===
# I'm aware of only one possibility of a sheet-relative component in
# a reference: a 2D reference located in the "current sheet".
# xlrd stores this internally with bounds of (0, 1, ...) and
# relative flags of (1, 1, ...). These functions display the
# sheet component as empty, just like Excel etc.
def rownamerel(rowx, rowxrel, browx=None, r1c1=0):
# if no base rowx is provided, we have to return r1c1
if browx is None:
r1c1 = True
if not rowxrel:
if r1c1:
return "R%d" % (rowx+1)
return "$%d" % (rowx+1)
if r1c1:
if rowx:
return "R[%d]" % rowx
return "R"
return "%d" % ((browx + rowx) % 65536 + 1)
def colnamerel(colx, colxrel, bcolx=None, r1c1=0):
# if no base colx is provided, we have to return r1c1
if bcolx is None:
r1c1 = True
if not colxrel:
if r1c1:
return "C%d" % (colx + 1)
return "$" + colname(colx)
if r1c1:
if colx:
return "C[%d]" % colx
return "C"
return colname((bcolx + colx) % 256)
##
# Utility function: (5, 7) => 'H6'
[docs]def cellname(rowx, colx):
""" (5, 7) => 'H6' """
return "%s%d" % (colname(colx), rowx+1)
##
# Utility function: (5, 7) => '$H$6'
[docs]def cellnameabs(rowx, colx, r1c1=0):
""" (5, 7) => '$H$6' or 'R8C6'"""
if r1c1:
return "R%dC%d" % (rowx+1, colx+1)
return "$%s$%d" % (colname(colx), rowx+1)
def cellnamerel(rowx, colx, rowxrel, colxrel, browx=None, bcolx=None, r1c1=0):
if not rowxrel and not colxrel:
return cellnameabs(rowx, colx, r1c1)
if (rowxrel and browx is None) or (colxrel and bcolx is None):
# must flip the whole cell into R1C1 mode
r1c1 = True
c = colnamerel(colx, colxrel, bcolx, r1c1)
r = rownamerel(rowx, rowxrel, browx, r1c1)
if r1c1:
return r + c
return c + r
##
# Utility function: 7 => 'H', 27 => 'AB'
[docs]def colname(colx):
""" 7 => 'H', 27 => 'AB' """
alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
if colx <= 25:
return alphabet[colx]
else:
xdiv26, xmod26 = divmod(colx, 26)
return alphabet[xdiv26 - 1] + alphabet[xmod26]
def rangename2d(rlo, rhi, clo, chi, r1c1=0):
""" (5, 20, 7, 10) => '$H$6:$J$20' """
if r1c1:
return
if rhi == rlo+1 and chi == clo+1:
return cellnameabs(rlo, clo, r1c1)
return "%s:%s" % (cellnameabs(rlo, clo, r1c1), cellnameabs(rhi-1, chi-1, r1c1))
def rangename2drel(rlo_rhi_clo_chi, rlorel_rhirel_clorel_chirel, browx=None, bcolx=None, r1c1=0):
rlo, rhi, clo, chi = rlo_rhi_clo_chi
rlorel, rhirel, clorel, chirel = rlorel_rhirel_clorel_chirel
if (rlorel or rhirel) and browx is None:
r1c1 = True
if (clorel or chirel) and bcolx is None:
r1c1 = True
return "%s:%s" % (
cellnamerel(rlo, clo, rlorel, clorel, browx, bcolx, r1c1),
cellnamerel(rhi-1, chi-1, rhirel, chirel, browx, bcolx, r1c1)
)
##
# Utility function:
# <br /> Ref3D((1, 4, 5, 20, 7, 10)) => 'Sheet2:Sheet3!$H$6:$J$20'
[docs]def rangename3d(book, ref3d):
""" Ref3D(1, 4, 5, 20, 7, 10) => 'Sheet2:Sheet3!$H$6:$J$20'
(assuming Excel's default sheetnames) """
coords = ref3d.coords
return "%s!%s" % (
sheetrange(book, *coords[:2]),
rangename2d(*coords[2:6]))
##
# Utility function:
# <br /> Ref3D(coords=(0, 1, -32, -22, -13, 13), relflags=(0, 0, 1, 1, 1, 1))
# R1C1 mode => 'Sheet1!R[-32]C[-13]:R[-23]C[12]'
# A1 mode => depends on base cell (browx, bcolx)
[docs]def rangename3drel(book, ref3d, browx=None, bcolx=None, r1c1=0):
coords = ref3d.coords
relflags = ref3d.relflags
shdesc = sheetrangerel(book, coords[:2], relflags[:2])
rngdesc = rangename2drel(coords[2:6], relflags[2:6], browx, bcolx, r1c1)
if not shdesc:
return rngdesc
return "%s!%s" % (shdesc, rngdesc)
def quotedsheetname(shnames, shx):
if shx >= 0:
shname = shnames[shx]
else:
shname = {
-1: "?internal; any sheet?",
-2: "internal; deleted sheet",
-3: "internal; macro sheet",
-4: "<<external>>",
}.get(shx, "?error %d?" % shx)
if "'" in shname:
return "'" + shname.replace("'", "''") + "'"
if " " in shname:
return "'" + shname + "'"
return shname
def sheetrange(book, slo, shi):
shnames = book.sheet_names()
shdesc = quotedsheetname(shnames, slo)
if slo != shi-1:
shdesc += ":" + quotedsheetname(shnames, shi-1)
return shdesc
def sheetrangerel(book, srange, srangerel):
slo, shi = srange
slorel, shirel = srangerel
if not slorel and not shirel:
return sheetrange(book, slo, shi)
assert (slo == 0 == shi-1) and slorel and shirel
return ""
# ==============================================================