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Calc.pm
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Calc.pm
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# See bottom of file for license and copyright information
#
# This is part of Foswiki's Spreadsheet Plugin.
#
# The code below is kept out of the main plugin module for
# performance reasons, so it doesn't get compiled until it
# is actually used.
package Foswiki::Plugins::SpreadSheetPlugin::Calc;
use strict;
use warnings;
use HTML::Entities;
use Time::Local;
use Time::Local qw( timegm_nocheck timelocal_nocheck ); # Necessary for DOY
use Safe ();
# =========================
my $web;
my $topic;
my $debug;
my @tableMatrix;
my $cPos;
my $rPos;
my $escToken = "\0";
my $escComma =
"\1"; # Single char escapes so that size functions work as expected
my $escOpenP = "\2";
my $escCloseP = "\3";
my $escNewLn = "\4";
my %varStore = ();
my $dontSpaceRE = "";
my $safeCpt;
# SMELL: I18N
my @monArr = (
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
);
my @wdayArr = (
"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"
);
my %mon2num;
{
my $count = 0;
%mon2num = map { $_ => $count++ } @monArr;
}
my $recurseFunc = \&_recurseFunc;
my $allowHTML;
# =========================
sub init {
( $web, $topic, $debug ) = @_;
# initialize variables, once per page view
%varStore = ();
$dontSpaceRE = "";
$allowHTML =
Foswiki::Func::getPreferencesFlag("SPREADSHEETPLUGIN_ALLOWHTML");
# Module initialized
Foswiki::Func::writeDebug(
"- Foswiki::Plugins::SpreadSheetPlugin::Calc::init( $web.$topic )")
if $debug;
return 1;
}
# =========================
sub CALC {
### my ( $text, $topic, $web ) = @_; # do not uncomment, use $_[0], $_[1]... instead
Foswiki::Func::writeDebug("- SpreadSheetPlugin::Calc::CALC( $_[2].$_[1] )")
if $debug;
@tableMatrix = ();
$cPos = -1;
$rPos = -1;
$web = $_[2];
my @result = ();
my $insidePRE = 0;
my $insideTABLE = 0;
my $line = "";
my $before = "";
my $cell = "";
my @row = ();
$_[0] =~ s/\r//g;
$_[0] =~ s/\\\n//g; # Join lines ending in "\"
foreach ( split( /\n/, $_[0] ) ) {
# change state:
m|<pre>|i && ( $insidePRE = 1 );
m|<verbatim>|i && ( $insidePRE = 1 );
m|</pre>|i && ( $insidePRE = 0 );
m|</verbatim>|i && ( $insidePRE = 0 );
if ( !($insidePRE) ) {
if (/^\s*\|.*\|\s*$/) {
# inside | table |
if ( !$insideTABLE ) {
$insideTABLE = 1;
@tableMatrix = (); # reset table matrix
$cPos = -1;
$rPos = -1;
}
$line = $_;
$line =~ s/^(\s*\|)(.*)\|\s*$/$2/;
$before = $1;
@row = split( /\|/, $line, -1 );
$row[0] = '' unless @row; # See Item5163
push( @tableMatrix, [@row] );
$rPos++;
$line = "$before";
for ( $cPos = 0 ; $cPos < @row ; $cPos++ ) {
$cell = $row[$cPos];
$cell =~ s/%CALC\{(.*?)\}%/_doCalc($1)/ge;
$line .= "$cell|";
}
s/.*/$line/;
}
else {
# outside | table |
if ($insideTABLE) {
$insideTABLE = 0;
}
s/%CALC\{(.*?)\}%/_doCalc($1)/ge;
}
}
push( @result, $_ );
}
$_[0] = join( "\n", @result );
return $_[0];
}
# =========================
sub _doCalc {
my ($theAttributes) = @_;
my $text = &Foswiki::Func::extractNameValuePair($theAttributes);
# Escape commas, parenthesis and newlines in tripple quoted strings
$text =~ s/'''(.*?)'''/_escapeString($1)/ges;
# For better performance, use a function reference when calling the recurse
# functions, instead of an "if" statement within the &$recurseFunc function
if ( $text =~ /\n/ ) {
# recursively evaluate functions, and remove white space around functions and parameters
$recurseFunc = \&_recurseFuncCutWhitespace;
}
else {
# recursively evaluate functions without removing white space (compatible with old spec)
$recurseFunc = \&_recurseFunc;
}
# Add nesting level to parenthesis,
# e.g. "A(B())" gets "A-esc-1(B-esc-2(-esc-2)-esc-1)"
my $level = 0;
$text =~ s/([\(\)])/_addNestingLevel($1, \$level)/ge;
$text = _doFunc( "MAIN", $text );
if ( defined($rPos) && defined($cPos) && $rPos >= 0 && $cPos >= 0 ) {
# update cell in table matrix
$tableMatrix[$rPos][$cPos] = $text;
}
# Restore escaped strings
$text =~ s/$escComma/,/g;
$text =~ s/$escOpenP/\(/g;
$text =~ s/$escCloseP/\)/g;
$text =~ s/$escNewLn/\n/g;
unless ($allowHTML) {
# encode < > to prevent html insertion
# SMELL: what about '"%
$text =~ s/([<>])/HTML::Entities::encode_entities($1)/ge;
}
return $text;
}
# =========================
sub _escapeString {
my ($text) = @_;
$text =~ s/,/$escComma/g;
$text =~ s/\(/$escOpenP/g;
$text =~ s/\)/$escCloseP/g;
$text =~ s/\n/$escNewLn/g;
return $text;
}
# =========================
sub _addNestingLevel {
my ( $theParen, $theLevelRef ) = @_;
my $result = "";
if ( $theParen eq "(" ) {
$$theLevelRef++;
$result = "$escToken$$theLevelRef$theParen";
}
else {
$result = "$escToken$$theLevelRef$theParen";
$$theLevelRef--;
}
return $result;
}
# =========================
sub _recurseFunc {
# Handle functions recursively
no warnings 'uninitialized';
$_[0] =~
s/\$([A-Z]+[A-Z0-9]*)$escToken([0-9]+)\((.*?)$escToken\2\)/_doFunc($1,$3)/geos;
use warnings 'uninitialized';
# Clean up unbalanced mess
$_[0] =~ s/$escToken\-*[0-9]+([\(\)])/$1/go;
}
# =========================
sub _recurseFuncCutWhitespace {
# Handle functions recursively
$_[0] =~
s/\s*\$([A-Z]+[A-Z0-9]*)$escToken([0-9]+)\(\s*(.*?)\s*$escToken\2\)\s*/_doFunc($1,$3)/geos;
# Clean up unbalanced mess
$_[0] =~ s/$escToken\-*[0-9]+([\(\)])/$1/go;
}
#<<< do not let perltidy touch this
# Commented functions new in TWiki
my $Function = {
ABOVE => sub { my $i = $cPos + 1; return "R1:C$i..R$rPos:C$i" },
ABS => sub { abs( _getNumber($_[0]) ) },
# ADDLIST
AND => \&_AND,
AVERAGE => \&_AVERAGE,
BIN2DEC => \&_BIN2DEC,
BITXOR => \&_BITXOR,
CEILING => \&_CEILING,
CHAR => \&_CHAR,
CODE => sub { ord($_[0]) },
COLUMN => sub { $cPos + ( $_[0] || 0 ) + 1 },
COUNTITEMS => \&_COUNTITEMS,
COUNTSTR => \&_COUNTSTR,
DEC2BIN => \&_DEC2BIN,
DEC2HEX => \&_DEC2HEX,
DEC2OCT => \&_DEC2OCT,
DEF => \&_DEF,
EMPTY => sub { ( length($_[0]) ) ? 0 : 1 },
EVAL => sub { _safeEvalPerl($_[0]) },
EVEN => sub { ( _getNumber($_[0]) + 1 ) % 2 },
EXACT => \&_EXACT,
EXEC => \&_EXEC,
EXISTS => sub { ( Foswiki::Func::topicExists( $web, $_[0] ) ) ? 1 : 0 },
EXP => sub { exp( _getNumber($_[0]) ) },
FILTER => \&_FILTER,
FIND => \&_FIND,
FLOOR => \&_FLOOR,
FORMAT => \&_FORMAT,
FORMATGMTIME => \&_FORMATGMTIME,
FORMATTIME => \&_FORMATTIME,
FORMATTIMEDIFF => \&_FORMATTIMEDIFF,
GET => \&_GET,
# GETHASH
# GETLIST - Get a saved list
# HASH2LIST - Convert hash to list
# HASHCOPY - Copy a hash
# HASHEACH - Evaluate & update each element
# HASHEXISTS - Test if hash exists
# HASHREVERSE - Swap keys and values
HEX2DEC => \&_HEX2DEC,
HEXDECODE => \&_HEXDECODE,
HEXENCODE => sub { uc( unpack( "H*", $_[0] ) ) },
IF => \&_IF,
INSERTSTRING => \&_INSERTSTRING,
INT => sub {
my $rslt = _safeEvalPerl($_[0]);
return ( $rslt =~ /^ERROR/ ) ? $rslt : int( _getNumber($rslt) );
},
ISDIGIT => sub { ($_[0] =~ m/^[[:digit:]]+$/ ) ? 1 : 0 },
ISLOWER => sub { ($_[0] =~ m/^[[:lower:]]+$/ ) ? 1 : 0 },
ISUPPER => sub { ($_[0] =~ m/^[[:upper:]]+$/ ) ? 1 : 0 },
ISWIKIWORD => sub { (Foswiki::isValidWikiWord( $_[0] ) ) ? 1 : 0 },
LEFT => sub { my $i = $rPos + 1; return "R$i:C1..R$i:C$cPos" },
LEFTSTRING => \&_LEFTSTRING,
LENGTH => sub { length( $_[0] ) },
LIST => sub { _listToDelimitedString(_getList($_[0])) },
# LIST2HASH
LISTEACH => \&_LISTMAP,
LISTIF => \&_LISTIF,
LISTITEM => \&_LISTITEM,
LISTJOIN => \&_LISTJOIN,
LISTMAP => \&_LISTMAP,
LISTNONEMPTY => sub { _listToDelimitedString( grep { /./ } _getList($_[0]) ) },
LISTRAND => \&_LISTRAND,
LISTREVERSE => sub { _listToDelimitedString(reverse _getList($_[0])) },
LISTSHUFFLE => \&_LISTSHUFFLE,
LISTSIZE => sub { scalar( _getList($_[0])) },
LISTSORT => \&_LISTSORT,
LISTTRUNCATE => \&_LISTTRUNCATE,
LISTUNIQUE => \&_LISTUNIQUE,
LN => sub { log( _getNumber($_[0]) ) },
LOG => \&_LOG,
LOWER => sub { lc( $_[0] ) },
MAIN => sub { $_[0] },
MAX => \&_MAX,
MEDIAN => \&_MEDIAN,
MIN => \&_MIN,
MOD => \&_MOD,
NOEXEC => sub { $_[0] },
NOP => \&_NOP,
NOT => sub { ( _getNumber( $_[0] )) ? 0 : 1 },
OCT2DEC => \&_OCT2DEC,
ODD => sub { _getNumber( $_[0] ) % 2 },
OR => \&_OR,
PERCENTILE => \&_PERCENTILE,
PI => sub { 3.1415926535897932384 },
PRODUCT => \&_PRODUCT,
PROPER => sub {
$_[0] =~ s/(\w+)/\u\L$1/g;
return $_[0];
},
PROPERSPACE => sub { _properSpace($_[0]) },
RAND => sub {
my $max = _getNumber($_[0]);
$max = 1 if ( $max <= 0 );
rand($max);
},
RANDSTRING => \&_RANDSTRING,
REPEAT => \&_REPEAT,
REPLACE => \&_REPLACE,
RIGHT => sub {
my $i = $rPos + 1;
my $c = $cPos + 2;
return "R$i:C$c..R$i:C32000";
},
RIGHTSTRING => \&_RIGHTSTRING,
ROUND => \&_ROUND,
ROW => sub { $rPos + ( $_[0] || 0 ) + 1 },
SEARCH => \&_SEARCH,
SET => \&_SET,
# SETHASH - Set a hash for later use
SETIFEMPTY => \&_SETIFEMPTY,
# SETLIST - Save a list for later use
SETM => \&_SETM,
# SETMHASH - Modify a hash
SIGN => sub {
my $i = _getNumber($_[0]);
return ( $i > 0 ) ? 1
: ( $i < 0 ) ? -1
: 0;
},
SPLIT => \&_SPLIT,
SQRT => sub { sqrt( _getNumber( $_[0] ) ) },
# STDEV - Std. Deviation
# STDEVP - Std. Deviation population
SUBSTITUTE => \&_SUBSTITUTE,
SUBSTRING => \&_SUBSTRING,
SUM => \&_SUM,
SUMDAYS => \&_SUMDAYS,,
SUMPRODUCT => \&_SUMPRODUCT,
T => \&_T,
TIME => \&_TIME,
TIMEADD => \&_TIMEADD,
TIMEDIFF => \&_TIMEDIFF,
TODAY => sub { _date2serial( _serial2date( time(), '$year/$month/$day GMT', 1 ) ) },
TRANSLATE => \&_TRANSLATE,
TRIM => sub {
$_[0] =~ s/^\s*//;
$_[0] =~ s/\s*$//;
$_[0] =~ s/\s+/ /g;
return $_[0];
},
UPPER => sub { uc( $_[0] ) },
VALUE => sub { _getNumber( $_[0] ) },
# VAR - Variance sample
# VARP - Variance population
WHILE => \&_WHILE,
WORKINGDAYS => sub {
my ($stime, $etime) = split( /,\s*/, $_[0], 2);
_workingDays( _getNumber($stime), _getNumber($etime));
},
XOR => \&_XOR,
};
#>>>
$Function->{MIDSTRING} = $Function->{SUBSTRING}; # MIDSTRING Undocumented
$Function->{DURATION} = $Function->{SUMDAYS}; # DURATION undocumented, for Sven
$Function->{MULT} = $Function->{PRODUCT}; # MULT deprecated
$Function->{MEAN} = $Function->{AVERAGE}; # # Both documented & supported
sub _doFunc {
my ( $theFunc, $theAttr ) = @_;
$theAttr = "" unless ( defined $theAttr );
Foswiki::Func::writeDebug(
"- SpreadSheetPlugin::Calc::_doFunc: $theFunc( $theAttr ) start")
if $debug;
unless ( $theFunc =~ /^(IF|LISTEACH|LISTIF|LISTMAP|NOEXEC|WHILE)$/ ) {
&$recurseFunc($theAttr);
}
# else: delay the function handler to after parsing the parameters,
# in which case handling functions and cleaning up needs to be done later
my $result = "";
my $i = 0;
# Execute functions defined in the above $Function hash
if ( defined $Function->{$theFunc} ) {
my $f = $Function->{$theFunc};
$result = &$f($theAttr);
}
Foswiki::Func::writeDebug(
"- SpreadSheetPlugin::Calc::_doFunc: $theFunc( $theAttr ) returns: $result"
) if $debug;
return $result;
}
#########################
# Spreadsheet Cells
#########################
# ======================
sub _T {
my @arr = _getTableRange("$_[0]..$_[0]");
return (@arr) ? $arr[0] : '';
}
# ======================
sub _DEF {
# Format DEF(list) returns first defined cell
# Added by MF 26/3/2002, fixed by PeterThoeny
my $result = '';
my @arr = _getList( $_[0] );
foreach my $cell (@arr) {
if ($cell) {
$cell =~ s/^\s*(.*?)\s*$/$1/;
if ($cell) {
$result = $cell;
last;
}
}
}
return $result;
}
#########################
# Conditional and Looping
#########################
# ======================
sub _EXEC {
# add nesting level escapes
my $level = 0;
$_[0] =~ s/([\(\)])/_addNestingLevel($1, \$level)/ge;
# execute functions in attribute recursively and clean up unbalanced parenthesis
&$recurseFunc( $_[0] );
return $_[0];
}
# =======================
sub _IF {
# IF(condition, value if true, value if false)
my ( $condition, $str1, $str2 ) = _properSplit( $_[0], 3 );
# with delay, handle functions in condition recursively and clean up unbalanced parenthesis
&$recurseFunc($condition);
$condition =~ s/^\s*(.*?)\s*$/$1/;
my $result = _safeEvalPerl($condition);
unless ( $result =~ /^ERROR/ ) {
if ($result) {
$result = $str1;
}
else {
$result = $str2;
}
$result = "" unless ( defined($result) );
# with delay, handle functions in result recursively and clean up unbalanced parenthesis
&$recurseFunc($result);
} # else return error message
return $result;
}
# =========================
sub _NOP {
# pass everything through, this will allow plugins to defy plugin order
# for example the %SEARCH{}% variable
$_[0] =~ s/\$per(cnt)?/%/g;
$_[0] =~ s/\$quot/"/g;
return $_[0];
}
# ===========================
sub _WHILE {
# WHILE(condition, do something)
my ( $condition, $str ) = _properSplit( $_[0], 2 );
return '' unless defined $condition;
my $result;
my $i = 0;
while (1) {
if ( $i++ >= 32767 ) {
$result .= 'ERROR: Infinite loop (32767 cycles)';
last; # prevent infinite loop
}
# with delay, handle functions in condition recursively and clean up unbalanced parenthesis
my $cond = $condition;
$cond =~ s/\$counter/$i/g;
&$recurseFunc($cond);
$cond =~ s/^\s*(.*?)\s*$/$1/;
my $res = _safeEvalPerl($cond);
if ( $res =~ /^ERROR/ ) {
$result .= $res;
last; # exit loop and return error
}
last unless ($res); # proper loop exit
$res = $str;
$res = "" unless ( defined($res) );
# with delay, handle functions in result recursively and clean up unbalanced parenthesis
$res =~ s/\$counter/$i/g;
&$recurseFunc($res);
$result .= $res;
}
return $result;
}
#######################
# Numeric Functions
#######################
# =========================
sub _AVERAGE {
my $result = 0;
my $items = 0;
my @arr = _getListAsFloat( $_[0] );
foreach my $i (@arr) {
if ( defined $i ) {
$result += $i;
$items++;
}
}
if ( $items > 0 ) {
$result = $result / $items;
}
return $result;
}
# =========================
sub _CEILING {
my $i = _getNumber( $_[0] );
my $result = int($i);
if ( $i > 0 && $i != $result ) {
$result += 1;
}
return $result;
}
# =========================
sub _BIN2DEC {
$_[0] =~ s/[^0-1]//g; # only binary digits
$_[0] ||= 0;
return oct( '0b' . $_[0] );
}
# =========================
sub _DEC2BIN {
my ( $num, $size ) = _getListAsInteger( $_[0] );
$num ||= 0;
my $format = '%';
$format .= '0' . $size if ($size);
$format .= 'b';
return sprintf( $format, $num );
}
# =========================
sub _HEX2DEC {
$_[0] =~ s/[^0-9A-Fa-f]//g; # only hex numbers
$_[0] ||= 0;
return hex( $_[0] );
}
# =========================
sub _DEC2HEX {
my ( $num, $size ) = _getListAsInteger( $_[0] );
$num ||= 0;
my $format = '%';
$format .= '0' . $size if ($size);
$format .= 'X';
return sprintf( $format, $num );
}
# =========================
sub _OCT2DEC {
$_[0] =~ s/[^0-7]//g; # only octal digits
$_[0] ||= 0;
return oct( $_[0] );
}
# =========================
sub _DEC2OCT {
my ( $num, $size ) = _getListAsInteger( $_[0] );
$num ||= 0;
my $format = '%';
$format .= '0' . $size if ($size);
$format .= 'o';
return sprintf( $format, $num );
}
# =========================
sub _FLOOR {
my $i = _getNumber( $_[0] );
my $result = int($i);
if ( $i < 0 && $i != $result ) {
$result -= 1;
}
return $result;
}
# =====================
sub _FORMAT {
# Format FORMAT(TYPE, precision, value) returns formatted value -- JimStraus - 05 Jan 2003
my ( $format, $res, $value ) = split( /,\s*/, $_[0] );
$format =~ s/^\s*(.*?)\s*$/$1/; #Strip leading and trailing spaces
$res =~ s/^\s*(.*?)\s*$/$1/;
$value =~ s/^\s*(.*?)\s*$/$1/;
$res =~ m/^(.*)$/; # SMELL why do we need to untaint
$res = $1;
my $result = '';
if ( $format eq "DOLLAR" ) {
my $neg = 0;
$neg = 1 if $value < 0;
$value = abs($value);
$result = sprintf( "%0.${res}f", $value );
my $temp = reverse $result;
$temp =~ s/(\d\d\d)(?=\d)(?!\d*\.)/$1,/g;
$result = "\$" . ( scalar( reverse($temp) ) );
$result = "(" . $result . ")" if $neg;
}
# TWIKI: Added CURRENCY format
elsif ( $format eq "COMMA" ) {
$result = sprintf( "%0.${res}f", $value );
my $temp = reverse $result;
$temp =~ s/(\d\d\d)(?=\d)(?!\d*\.)/$1,/g;
$result = scalar( reverse($temp) );
}
elsif ( $format eq "PERCENT" ) {
$result = sprintf( "%0.${res}f%%", $value * 100 );
}
elsif ( $format eq "NUMBER" ) {
$result = sprintf( "%0.${res}f", $value );
}
elsif ( $format eq "K" ) {
$result = sprintf( "%0.${res}f K", $value / 1024 );
}
elsif ( $format eq "KB" ) {
$result = sprintf( "%0.${res}f KB", $value / 1024 );
}
elsif ( $format eq "MB" ) {
$result = sprintf( "%0.${res}f MB", $value / ( 1024 * 1024 ) );
}
elsif ( $format =~ /^KBMB/ ) {
$value /= 1024;
my @lbls = ( "MB", "GB", "TB", "PB", "EB", "ZB" );
my $lbl = "KB";
while ( $value >= 1024 && @lbls ) {
$value /= 1024;
$lbl = shift @lbls;
}
$result = sprintf( "%0.${res}f", $value ) . " $lbl";
}
else {
# FORMAT not recognized, just return value
$result = $value;
}
return $result;
}
# =========================
sub _HEXDECODE {
my $theAttr = shift;
$theAttr =~ s/[^0-9A-Fa-f]//g; # only hex numbers
$theAttr =~ s/.$// if ( length($theAttr) % 2 ); # must be set of two
return pack( "H*", $theAttr );
}
# =======================
sub _LOG {
my ( $num, $base ) = split( /,\s*/, $_[0], 2 );
$num = _getNumber($num);
$base = _getNumber($base);
$base = 10 if ( $base <= 0 );
return log($num) / log($base);
}
# =========================
sub _MAX {
my @arr = sort { $a <=> $b }
grep { /./ }
grep { defined $_ } _getListAsFloat( $_[0] );
return $arr[-1];
}
# =========================
sub _MEDIAN {
my @arr =
sort { $a <=> $b } grep { defined $_ } _getListAsFloat( $_[0] );
my $i = @arr;
my $result = '';
if ( ( $i % 2 ) > 0 ) {
$result = $arr[ $i / 2 ];
}
elsif ($i) {
$i /= 2;
$result = ( $arr[$i] + $arr[ $i - 1 ] ) / 2;
}
return $result;
}
# =========================
sub _MIN {
my @arr = sort { $a <=> $b }
grep { /./ }
grep { defined $_ } _getListAsFloat( $_[0] );
return $arr[0];
}
# =======================
sub _MOD {
my $result = 0;
my ( $num1, $num2 ) = split( /,\s*/, $_[0], 2 );
$num1 = _getNumber($num1);
$num2 = _getNumber($num2);
if ( $num1 && $num2 ) {
$result = $num1 % $num2;
}
return $result;
}
# =========================
sub _PERCENTILE {
my ( $percentile, $set ) = split( /,\s*/, $_[0], 2 );
my $i;
my @arr = sort { $a <=> $b } grep { defined $_ } _getListAsFloat($set);
my $result = 0;
my $size = scalar(@arr);
if ( $size > 0 ) {
$i = $percentile / 100 * ( $size + 1 );
my $iInt = int($i);
if ( $i <= 1 ) {
$result = $arr[0];
}
elsif ( $i >= $size ) {
$result = $arr[ $size - 1 ];
}
elsif ( $i == $iInt ) {
$result = $arr[ $i - 1 ];
}
else {
# interpolate beween neighbors # Example: $i = 7.25
my $r1 = $iInt + 1 - $i; # 0.75 = 7 + 1 - 7.25
my $r2 = 1 - $r1; # 0.25 = 1 - 0.75
my $x1 = $arr[ $iInt - 1 ];
my $x2 = $arr[$iInt];
$result = ( $r1 * $x1 ) + ( $r2 * $x2 );
}
}
return $result;
}
# =========================
sub _PRODUCT {
my $result = 0;
my @arr = _getListAsFloat( $_[0] );
# no arguments, return 0.
return 0 unless scalar @arr;
$result = 1;
foreach my $i (@arr) {
$result *= $i if defined $i;
}
return $result;
}
# =========================
sub _ROUND {
# ROUND(num, digits)
my ( $num, $digits ) = split( /,\s*/, $_[0], 2 );
my $result = _safeEvalPerl($num);
unless ( $result =~ /^ERROR/ ) {
$result = _getNumber($result);
if ( ($digits)
&& ( $digits =~ s/^.*?(\-?[0-9]+).*$/$1/ )
&& ($digits) )
{
my $factor = 10**$digits;
$result *= $factor;
( $result >= 0 ) ? ( $result += 0.5 ) : ( $result -= 0.5 );
$result = int($result);
$result /= $factor;
}
else {
( $result >= 0 ) ? ( $result += 0.5 ) : ( $result -= 0.5 );
$result = int($result);
}
}
return $result;
}
# =========================
sub _SUM {
my $result = 0;
my @arr = _getListAsFloat( $_[0] );
foreach my $i (@arr) {
$result += $i if defined $i;
}
return $result;
}
# =========================
sub _SUMPRODUCT {
my $result = 0;
my @arr;
my @lol = split( /,\s*/, $_[0] );
my $size = 32000;
for my $i ( 0 .. $#lol ) {
@arr = _getListAsFloat( $lol[$i] );
$lol[$i] = [@arr]; # store reference to array
$size = @arr if ( @arr < $size ); # remember smallest array
}
if ( ( $size > 0 ) && ( $size < 32000 ) ) {
my $y;
my $prod;
my $val;
$size--;
for my $y ( 0 .. $size ) {
$prod = 1;
for my $i ( 0 .. $#lol ) {
$val = $lol[$i][$y];
if ( defined $val ) {
$prod *= $val;
}
else {
$prod = 0; # don't count empty cells
}
}
$result += $prod;
}
}
return $result;
}
#######################
# GET / SET Functions
#######################
# =========================
sub _GET {
my $name = $_[0];
$name =~ s/[^a-zA-Z0-9\_]//g;
my $result = $varStore{$name} if ($name);
$result = "" unless ( defined($result) );
return $result;
}
# =========================
sub _SET {
my ( $name, $value ) = split( /,\s*/, $_[0], 2 );
return '' unless defined $name;
$name =~ s/[^a-zA-Z0-9\_]//g;
if ( $name && defined($value) ) {
$value =~ s/\s*$//;
$varStore{$name} = $value;
}
return '';
}
# =========================
sub _SETIFEMPTY {
my ( $name, $value ) = split( /,\s*/, $_[0], 2 );
return '' unless defined $name;
$name =~ s/[^a-zA-Z0-9\_]//g;
if ( $name && defined($value) && !$varStore{$name} ) {
$value =~ s/\s*$//;
$varStore{$name} = $value;
}
return '';
}
# =========================
sub _SETM {
my ( $name, $value ) = split( /,\s*/, $_[0], 2 );
return '' unless defined $name;
$name =~ s/[^a-zA-Z0-9\_]//g;
if ($name) {
my $old = $varStore{$name};
$old = "" unless ( defined($old) );
$value = "" unless ( defined($value) );
$value = _safeEvalPerl("$old $value");
$varStore{$name} = $value;
}
return '';
}
#######################
# LIST Functions
#######################
# =====================
sub _COUNTITEMS {
my $result = '';
my @arr = _getList( $_[0] );
my %items = ();
foreach my $key (@arr) {
$key =~ s/^\s*(.*?)\s*$/$1/ if ($key);
if ($key) {
if ( exists( $items{$key} ) ) {
$items{$key}++;
}
else {
$items{$key} = 1;
}
}
}
foreach my $key ( sort keys %items ) {
$result .= "$key: $items{ $key }%BR% ";
}
$result =~ s|%BR% $||;
return $result;
}
# =========================
# LISTIF(cmd, item 1, item 2, ...)
#
sub _LISTIF {
my ( $cmd, $str ) = _properSplit( $_[0], 2 );
$cmd = "" unless ( defined($cmd) );
$cmd =~ s/^\s*(.*?)\s*$/$1/;
$str = "" unless ( defined($str) );
# with delay, handle functions in result $str and clean up unbalanced parenthesis
&$recurseFunc($str);
my $item = qw{};
my $eval = qw{};
my $i = 0;
my @arr =
grep { !/^FOSWIKI_GREP_REMOVE$/ }
map {
$item = $_;
$_ = $cmd;
$i++;
s/\$index/$i/g;
s/\$item/$item/g;
&$recurseFunc($_);
$eval = _safeEvalPerl($_);
if ( $eval =~ /^ERROR/ ) {
$_ = $eval;
}
elsif ($eval) {
$_ = $item;