forked from p30928647/excelize
add ten formula functions: ENCODEURL, EXACT, FALSE, IFERROR, ISTEXT, LENB, NOT, REPT, SHEET, TRUE
This commit is contained in:
parent
ec45d67e59
commit
ca6b1577a7
238
calc.go
238
calc.go
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@ -18,6 +18,7 @@ import (
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"fmt"
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"math"
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"math/rand"
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"net/url"
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"reflect"
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"regexp"
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"sort"
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@ -99,13 +100,15 @@ const (
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// formulaArg is the argument of a formula or function.
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type formulaArg struct {
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Number float64
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String string
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List []formulaArg
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Matrix [][]formulaArg
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Boolean bool
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Error string
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Type ArgType
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f *File
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SheetName string
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Number float64
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String string
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List []formulaArg
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Matrix [][]formulaArg
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Boolean bool
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Error string
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Type ArgType
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}
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// Value returns a string data type of the formula argument.
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@ -162,7 +165,10 @@ func (fa formulaArg) ToBool() formulaArg {
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}
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// formulaFuncs is the type of the formula functions.
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type formulaFuncs struct{}
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type formulaFuncs struct {
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f *File
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sheet string
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}
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// tokenPriority defined basic arithmetic operator priority.
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var tokenPriority = map[string]int{
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@ -184,7 +190,7 @@ var tokenPriority = map[string]int{
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// feature is currently in working processing. Array formula, table formula
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// and some other formulas are not supported currently.
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//
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// Supported formulas:
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// Supported formula functions:
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//
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// ABS
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// ACOS
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@ -215,16 +221,20 @@ var tokenPriority = map[string]int{
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// DATE
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// DECIMAL
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// DEGREES
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// ENCODEURL
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// EVEN
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// EXACT
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// EXP
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// FACT
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// FACTDOUBLE
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// FALSE
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// FLOOR
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// FLOOR.MATH
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// FLOOR.PRECISE
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// GCD
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// HLOOKUP
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// IF
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// IFERROR
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// INT
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// ISBLANK
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// ISERR
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@ -234,9 +244,11 @@ var tokenPriority = map[string]int{
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// ISNONTEXT
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// ISNUMBER
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// ISODD
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// ISTEXT
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// ISO.CEILING
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// LCM
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// LEN
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// LENB
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// LN
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// LOG
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// LOG10
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@ -249,6 +261,7 @@ var tokenPriority = map[string]int{
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// MULTINOMIAL
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// MUNIT
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// NA
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// NOT
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// ODD
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// OR
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// PI
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@ -259,11 +272,13 @@ var tokenPriority = map[string]int{
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// RADIANS
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// RAND
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// RANDBETWEEN
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// REPT
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// ROUND
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// ROUNDDOWN
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// ROUNDUP
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// SEC
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// SECH
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// SHEET
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// SIGN
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// SIN
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// SINH
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@ -275,6 +290,7 @@ var tokenPriority = map[string]int{
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// TAN
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// TANH
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// TRIM
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// TRUE
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// TRUNC
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// UPPER
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// VLOOKUP
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@ -445,15 +461,12 @@ func (f *File) evalInfixExp(sheet string, tokens []efp.Token) (efp.Token, error)
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// calculate trigger
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topOpt := opftStack.Peek().(efp.Token)
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if err := calculate(opfdStack, topOpt); err != nil {
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return efp.Token{}, err
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argsStack.Peek().(*list.List).PushFront(newErrorFormulaArg(formulaErrorVALUE, err.Error()))
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}
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opftStack.Pop()
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}
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if !opfdStack.Empty() {
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argsStack.Peek().(*list.List).PushBack(formulaArg{
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String: opfdStack.Pop().(efp.Token).TValue,
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Type: ArgString,
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})
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argsStack.Peek().(*list.List).PushBack(newStringFormulaArg(opfdStack.Pop().(efp.Token).TValue))
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}
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continue
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}
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@ -462,20 +475,14 @@ func (f *File) evalInfixExp(sheet string, tokens []efp.Token) (efp.Token, error)
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if token.TType == efp.OperatorsInfix && token.TSubType == efp.TokenSubTypeLogical {
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}
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if token.TType == efp.TokenTypeOperand && token.TSubType == efp.TokenSubTypeLogical {
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argsStack.Peek().(*list.List).PushBack(formulaArg{
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String: token.TValue,
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Type: ArgString,
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})
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argsStack.Peek().(*list.List).PushBack(newStringFormulaArg(token.TValue))
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}
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// current token is text
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if token.TType == efp.TokenTypeOperand && token.TSubType == efp.TokenSubTypeText {
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argsStack.Peek().(*list.List).PushBack(formulaArg{
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String: token.TValue,
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Type: ArgString,
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})
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argsStack.Peek().(*list.List).PushBack(newStringFormulaArg(token.TValue))
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}
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if err = evalInfixExpFunc(token, nextToken, opfStack, opdStack, opftStack, opfdStack, argsStack); err != nil {
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if err = f.evalInfixExpFunc(sheet, token, nextToken, opfStack, opdStack, opftStack, opfdStack, argsStack); err != nil {
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return efp.Token{}, err
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}
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}
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@ -494,7 +501,7 @@ func (f *File) evalInfixExp(sheet string, tokens []efp.Token) (efp.Token, error)
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}
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// evalInfixExpFunc evaluate formula function in the infix expression.
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func evalInfixExpFunc(token, nextToken efp.Token, opfStack, opdStack, opftStack, opfdStack, argsStack *Stack) error {
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func (f *File) evalInfixExpFunc(sheet string, token, nextToken efp.Token, opfStack, opdStack, opftStack, opfdStack, argsStack *Stack) error {
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if !isFunctionStopToken(token) {
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return nil
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}
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@ -510,16 +517,13 @@ func evalInfixExpFunc(token, nextToken efp.Token, opfStack, opdStack, opftStack,
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// push opfd to args
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if opfdStack.Len() > 0 {
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argsStack.Peek().(*list.List).PushBack(formulaArg{
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String: opfdStack.Pop().(efp.Token).TValue,
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Type: ArgString,
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})
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argsStack.Peek().(*list.List).PushBack(newStringFormulaArg(opfdStack.Pop().(efp.Token).TValue))
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}
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// call formula function to evaluate
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arg := callFuncByName(&formulaFuncs{}, strings.NewReplacer(
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arg := callFuncByName(&formulaFuncs{f: f, sheet: sheet}, strings.NewReplacer(
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"_xlfn", "", ".", "").Replace(opfStack.Peek().(efp.Token).TValue),
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[]reflect.Value{reflect.ValueOf(argsStack.Peek().(*list.List))})
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if arg.Type == ArgError {
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if arg.Type == ArgError && opfStack.Len() == 1 {
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return errors.New(arg.Value())
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}
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argsStack.Pop()
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@ -793,7 +797,7 @@ func isEndParenthesesToken(token efp.Token) bool {
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// token.
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func isOperatorPrefixToken(token efp.Token) bool {
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_, ok := tokenPriority[token.TValue]
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if (token.TValue == "-" && token.TType == efp.TokenTypeOperatorPrefix) || ok {
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if (token.TValue == "-" && token.TType == efp.TokenTypeOperatorPrefix) || (ok && token.TType == efp.TokenTypeOperatorInfix) {
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return true
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}
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return false
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@ -3274,6 +3278,22 @@ func (fn *formulaFuncs) ISODD(argsList *list.List) formulaArg {
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return newStringFormulaArg(result)
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}
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// ISTEXT function tests if a supplied value is text, and if so, returns TRUE;
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// Otherwise, the function returns FALSE. The syntax of the function is:
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//
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// ISTEXT(value)
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//
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func (fn *formulaFuncs) ISTEXT(argsList *list.List) formulaArg {
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if argsList.Len() != 1 {
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return newErrorFormulaArg(formulaErrorVALUE, "ISTEXT requires 1 argument")
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}
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token := argsList.Front().Value.(formulaArg)
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if token.ToNumber().Type != ArgError {
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return newBoolFormulaArg(false)
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}
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return newBoolFormulaArg(token.Type == ArgString)
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}
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// NA function returns the Excel #N/A error. This error message has the
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// meaning 'value not available' and is produced when an Excel Formula is
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// unable to find a value that it needs. The syntax of the function is:
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@ -3287,6 +3307,18 @@ func (fn *formulaFuncs) NA(argsList *list.List) formulaArg {
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return newStringFormulaArg(formulaErrorNA)
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}
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// SHEET function returns the Sheet number for a specified reference. The
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// syntax of the function is:
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//
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// SHEET()
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//
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func (fn *formulaFuncs) SHEET(argsList *list.List) formulaArg {
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if argsList.Len() != 0 {
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return newErrorFormulaArg(formulaErrorVALUE, "SHEET accepts no arguments")
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}
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return newNumberFormulaArg(float64(fn.f.GetSheetIndex(fn.sheet) + 1))
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}
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// Logical Functions
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// AND function tests a number of supplied conditions and returns TRUE or
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@ -3330,6 +3362,64 @@ func (fn *formulaFuncs) AND(argsList *list.List) formulaArg {
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return newBoolFormulaArg(and)
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}
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// FALSE function function returns the logical value FALSE. The syntax of the
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// function is:
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//
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// FALSE()
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//
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func (fn *formulaFuncs) FALSE(argsList *list.List) formulaArg {
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if argsList.Len() != 0 {
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return newErrorFormulaArg(formulaErrorVALUE, "FALSE takes no arguments")
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}
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return newBoolFormulaArg(false)
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}
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// IFERROR function receives two values (or expressions) and tests if the
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// first of these evaluates to an error. The syntax of the function is:
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//
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// IFERROR(value,value_if_error)
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//
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func (fn *formulaFuncs) IFERROR(argsList *list.List) formulaArg {
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if argsList.Len() != 2 {
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return newErrorFormulaArg(formulaErrorVALUE, "IFERROR requires 2 arguments")
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}
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value := argsList.Front().Value.(formulaArg)
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if value.Type != ArgError {
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if value.Type == ArgEmpty {
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return newNumberFormulaArg(0)
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}
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return value
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}
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return argsList.Back().Value.(formulaArg)
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}
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// NOT function returns the opposite to a supplied logical value. The syntax
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// of the function is:
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//
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// NOT(logical)
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//
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func (fn *formulaFuncs) NOT(argsList *list.List) formulaArg {
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if argsList.Len() != 1 {
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return newErrorFormulaArg(formulaErrorVALUE, "NOT requires 1 argument")
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}
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token := argsList.Front().Value.(formulaArg)
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switch token.Type {
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case ArgString, ArgList:
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if strings.ToUpper(token.String) == "TRUE" {
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return newBoolFormulaArg(false)
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}
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if strings.ToUpper(token.String) == "FALSE" {
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return newBoolFormulaArg(true)
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}
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case ArgNumber:
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return newBoolFormulaArg(!(token.Number != 0))
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case ArgError:
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return token
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}
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return newErrorFormulaArg(formulaErrorVALUE, "NOT expects 1 boolean or numeric argument")
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}
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// OR function tests a number of supplied conditions and returns either TRUE
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// or FALSE. The syntax of the function is:
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//
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@ -3372,6 +3462,18 @@ func (fn *formulaFuncs) OR(argsList *list.List) formulaArg {
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return newStringFormulaArg(strings.ToUpper(strconv.FormatBool(or)))
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}
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// TRUE function returns the logical value TRUE. The syntax of the function
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// is:
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//
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// TRUE()
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//
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func (fn *formulaFuncs) TRUE(argsList *list.List) formulaArg {
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if argsList.Len() != 0 {
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return newErrorFormulaArg(formulaErrorVALUE, "TRUE takes no arguments")
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}
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return newBoolFormulaArg(true)
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}
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// Date and Time Functions
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// DATE returns a date, from a user-supplied year, month and day. The syntax
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@ -3434,6 +3536,21 @@ func (fn *formulaFuncs) CLEAN(argsList *list.List) formulaArg {
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return newStringFormulaArg(b.String())
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}
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// EXACT function tests if two supplied text strings or values are exactly
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// equal and if so, returns TRUE; Otherwise, the function returns FALSE. The
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// function is case-sensitive. The syntax of the function is:
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//
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// EXACT(text1,text2)
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//
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func (fn *formulaFuncs) EXACT(argsList *list.List) formulaArg {
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if argsList.Len() != 2 {
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return newErrorFormulaArg(formulaErrorVALUE, "EXACT requires 2 arguments")
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}
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text1 := argsList.Front().Value.(formulaArg).Value()
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text2 := argsList.Back().Value.(formulaArg).Value()
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return newBoolFormulaArg(text1 == text2)
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}
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// LEN returns the length of a supplied text string. The syntax of the
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// function is:
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//
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@ -3446,6 +3563,22 @@ func (fn *formulaFuncs) LEN(argsList *list.List) formulaArg {
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return newStringFormulaArg(strconv.Itoa(len(argsList.Front().Value.(formulaArg).String)))
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}
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// LENB returns the number of bytes used to represent the characters in a text
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// string. LENB counts 2 bytes per character only when a DBCS language is set
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// as the default language. Otherwise LENB behaves the same as LEN, counting
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// 1 byte per character. The syntax of the function is:
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//
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// LENB(text)
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//
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// TODO: the languages that support DBCS include Japanese, Chinese
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// (Simplified), Chinese (Traditional), and Korean.
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func (fn *formulaFuncs) LENB(argsList *list.List) formulaArg {
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if argsList.Len() != 1 {
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return newErrorFormulaArg(formulaErrorVALUE, "LENB requires 1 string argument")
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}
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return newStringFormulaArg(strconv.Itoa(len(argsList.Front().Value.(formulaArg).String)))
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}
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// TRIM removes extra spaces (i.e. all spaces except for single spaces between
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// words or characters) from a supplied text string. The syntax of the
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// function is:
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@ -3495,6 +3628,36 @@ func (fn *formulaFuncs) PROPER(argsList *list.List) formulaArg {
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return newStringFormulaArg(buf.String())
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}
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// REPT function returns a supplied text string, repeated a specified number
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// of times. The syntax of the function is:
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//
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// REPT(text,number_times)
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//
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func (fn *formulaFuncs) REPT(argsList *list.List) formulaArg {
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if argsList.Len() != 2 {
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return newErrorFormulaArg(formulaErrorVALUE, "REPT requires 2 arguments")
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}
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text := argsList.Front().Value.(formulaArg)
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if text.Type != ArgString {
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return newErrorFormulaArg(formulaErrorVALUE, "REPT requires first argument to be a string")
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}
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times := argsList.Back().Value.(formulaArg).ToNumber()
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if times.Type != ArgNumber {
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return newErrorFormulaArg(formulaErrorVALUE, "REPT requires second argument to be a number")
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}
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if times.Number < 0 {
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return newErrorFormulaArg(formulaErrorVALUE, "REPT requires second argument to be >= 0")
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}
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if times.Number == 0 {
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return newStringFormulaArg("")
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}
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buf := bytes.Buffer{}
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for i := 0; i < int(times.Number); i++ {
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buf.WriteString(text.String)
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}
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return newStringFormulaArg(buf.String())
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}
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// UPPER converts all characters in a supplied text string to upper case. The
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// syntax of the function is:
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//
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@ -3976,3 +4139,16 @@ func lookupCol(arr formulaArg) []formulaArg {
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}
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return col
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}
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// Web Functions
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// ENCODEURL function returns a URL-encoded string, replacing certain non-alphanumeric characters with the percentage symbol (%) and a hexadecimal number. The syntax of the function is:
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//
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// ENCODEURL(url)
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//
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func (fn *formulaFuncs) ENCODEURL(argsList *list.List) formulaArg {
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if argsList.Len() != 1 {
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return newErrorFormulaArg(formulaErrorVALUE, "ENCODEURL requires 1 argument")
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}
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return newStringFormulaArg(strings.Replace(url.QueryEscape(argsList.Front().Value.(formulaArg).Value()), "+", "%20", -1))
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}
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60
calc_test.go
60
calc_test.go
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@ -504,8 +504,13 @@ func TestCalcCellValue(t *testing.T) {
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// ISODD
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"=ISODD(A1)": "TRUE",
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"=ISODD(A2)": "FALSE",
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// ISTEXT
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"=ISTEXT(D1)": "TRUE",
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"=ISTEXT(A1)": "FALSE",
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// NA
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"=NA()": "#N/A",
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// SHEET
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"SHEET()": "1",
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// Logical Functions
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// AND
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"=AND(0)": "FALSE",
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@ -516,11 +521,24 @@ func TestCalcCellValue(t *testing.T) {
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"=AND(1<2)": "TRUE",
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"=AND(1>2,2<3,2>0,3>1)": "FALSE",
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"=AND(1=1),1=1": "TRUE",
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// FALSE
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"=FALSE()": "FALSE",
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// IFERROR
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"=IFERROR(1/2,0)": "0.5",
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"=IFERROR(ISERROR(),0)": "0",
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"=IFERROR(1/0,0)": "0",
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// NOT
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"=NOT(FALSE())": "TRUE",
|
||||
"=NOT(\"false\")": "TRUE",
|
||||
"=NOT(\"true\")": "FALSE",
|
||||
"=NOT(ISBLANK(B1))": "TRUE",
|
||||
// OR
|
||||
"=OR(1)": "TRUE",
|
||||
"=OR(0)": "FALSE",
|
||||
"=OR(1=2,2=2)": "TRUE",
|
||||
"=OR(1=2,2=3)": "FALSE",
|
||||
// TRUE
|
||||
"=TRUE()": "TRUE",
|
||||
// Date and Time Functions
|
||||
// DATE
|
||||
"=DATE(2020,10,21)": "2020-10-21 00:00:00 +0000 UTC",
|
||||
|
|
@ -529,9 +547,16 @@ func TestCalcCellValue(t *testing.T) {
|
|||
// CLEAN
|
||||
"=CLEAN(\"\u0009clean text\")": "clean text",
|
||||
"=CLEAN(0)": "0",
|
||||
// EXACT
|
||||
"=EXACT(1,\"1\")": "TRUE",
|
||||
"=EXACT(1,1)": "TRUE",
|
||||
"=EXACT(\"A\",\"a\")": "FALSE",
|
||||
// LEN
|
||||
"=LEN(\"\")": "0",
|
||||
"=LEN(D1)": "5",
|
||||
// LENB
|
||||
"=LENB(\"\")": "0",
|
||||
"=LENB(D1)": "5",
|
||||
// TRIM
|
||||
"=TRIM(\" trim text \")": "trim text",
|
||||
"=TRIM(0)": "0",
|
||||
|
|
@ -545,6 +570,10 @@ func TestCalcCellValue(t *testing.T) {
|
|||
"=PROPER(\"THIS IS A TEST SENTENCE\")": "This Is A Test Sentence",
|
||||
"=PROPER(\"123tEST teXT\")": "123Test Text",
|
||||
"=PROPER(\"Mr. SMITH's address\")": "Mr. Smith'S Address",
|
||||
// REPT
|
||||
"=REPT(\"*\",0)": "",
|
||||
"=REPT(\"*\",1)": "*",
|
||||
"=REPT(\"**\",2)": "****",
|
||||
// UPPER
|
||||
"=UPPER(\"test\")": "TEST",
|
||||
"=UPPER(\"TEST\")": "TEST",
|
||||
|
|
@ -581,6 +610,9 @@ func TestCalcCellValue(t *testing.T) {
|
|||
"=LOOKUP(F8,F8:F9,F8:F9)": "32080",
|
||||
"=LOOKUP(F8,F8:F9,D8:D9)": "Feb",
|
||||
"=LOOKUP(1,MUNIT(1),MUNIT(1))": "1",
|
||||
// Web Functions
|
||||
// ENCODEURL
|
||||
"=ENCODEURL(\"https://xuri.me/excelize/en/?q=Save As\")": "https%3A%2F%2Fxuri.me%2Fexcelize%2Fen%2F%3Fq%3DSave%20As",
|
||||
}
|
||||
for formula, expected := range mathCalc {
|
||||
f := prepareCalcData(cellData)
|
||||
|
|
@ -590,6 +622,7 @@ func TestCalcCellValue(t *testing.T) {
|
|||
assert.Equal(t, expected, result, formula)
|
||||
}
|
||||
mathCalcError := map[string]string{
|
||||
"=1/0": "#DIV/0!",
|
||||
// ABS
|
||||
"=ABS()": "ABS requires 1 numeric argument",
|
||||
`=ABS("X")`: "strconv.ParseFloat: parsing \"X\": invalid syntax",
|
||||
|
|
@ -886,19 +919,33 @@ func TestCalcCellValue(t *testing.T) {
|
|||
// ISODD
|
||||
"=ISODD()": "ISODD requires 1 argument",
|
||||
`=ISODD("text")`: "strconv.Atoi: parsing \"text\": invalid syntax",
|
||||
// ISTEXT
|
||||
"=ISTEXT()": "ISTEXT requires 1 argument",
|
||||
// NA
|
||||
"=NA(1)": "NA accepts no arguments",
|
||||
// SHEET
|
||||
"=SHEET(1)": "SHEET accepts no arguments",
|
||||
// Logical Functions
|
||||
// AND
|
||||
`=AND("text")`: "strconv.ParseFloat: parsing \"text\": invalid syntax",
|
||||
`=AND(A1:B1)`: "#VALUE!",
|
||||
"=AND()": "AND requires at least 1 argument",
|
||||
"=AND(1" + strings.Repeat(",1", 30) + ")": "AND accepts at most 30 arguments",
|
||||
// FALSE
|
||||
"=FALSE(A1)": "FALSE takes no arguments",
|
||||
// IFERROR
|
||||
"=IFERROR()": "IFERROR requires 2 arguments",
|
||||
// NOT
|
||||
"=NOT()": "NOT requires 1 argument",
|
||||
"=NOT(NOT())": "NOT requires 1 argument",
|
||||
"=NOT(\"\")": "NOT expects 1 boolean or numeric argument",
|
||||
// OR
|
||||
`=OR("text")`: "strconv.ParseFloat: parsing \"text\": invalid syntax",
|
||||
`=OR(A1:B1)`: "#VALUE!",
|
||||
"=OR()": "OR requires at least 1 argument",
|
||||
"=OR(1" + strings.Repeat(",1", 30) + ")": "OR accepts at most 30 arguments",
|
||||
// TRUE
|
||||
"=TRUE(A1)": "TRUE takes no arguments",
|
||||
// Date and Time Functions
|
||||
// DATE
|
||||
"=DATE()": "DATE requires 3 number arguments",
|
||||
|
|
@ -909,8 +956,13 @@ func TestCalcCellValue(t *testing.T) {
|
|||
// CLEAN
|
||||
"=CLEAN()": "CLEAN requires 1 argument",
|
||||
"=CLEAN(1,2)": "CLEAN requires 1 argument",
|
||||
// EXACT
|
||||
"=EXACT()": "EXACT requires 2 arguments",
|
||||
"=EXACT(1,2,3)": "EXACT requires 2 arguments",
|
||||
// LEN
|
||||
"=LEN()": "LEN requires 1 string argument",
|
||||
// LENB
|
||||
"=LENB()": "LENB requires 1 string argument",
|
||||
// TRIM
|
||||
"=TRIM()": "TRIM requires 1 argument",
|
||||
"=TRIM(1,2)": "TRIM requires 1 argument",
|
||||
|
|
@ -923,6 +975,11 @@ func TestCalcCellValue(t *testing.T) {
|
|||
// PROPER
|
||||
"=PROPER()": "PROPER requires 1 argument",
|
||||
"=PROPER(1,2)": "PROPER requires 1 argument",
|
||||
// REPT
|
||||
"=REPT()": "REPT requires 2 arguments",
|
||||
"=REPT(INT(0),2)": "REPT requires first argument to be a string",
|
||||
"=REPT(\"*\",\"*\")": "REPT requires second argument to be a number",
|
||||
"=REPT(\"*\",-1)": "REPT requires second argument to be >= 0",
|
||||
// Conditional Functions
|
||||
// IF
|
||||
"=IF()": "IF requires at least 1 argument",
|
||||
|
|
@ -964,6 +1021,9 @@ func TestCalcCellValue(t *testing.T) {
|
|||
"=LOOKUP(D2,D1,D2)": "LOOKUP requires second argument of table array",
|
||||
"=LOOKUP(D2,D1,D2,FALSE)": "LOOKUP requires at most 3 arguments",
|
||||
"=LOOKUP(D1,MUNIT(1),MUNIT(1))": "LOOKUP no result found",
|
||||
// Web Functions
|
||||
// ENCODEURL
|
||||
"=ENCODEURL()": "ENCODEURL requires 1 argument",
|
||||
}
|
||||
for formula, expected := range mathCalcError {
|
||||
f := prepareCalcData(cellData)
|
||||
|
|
|
|||
Loading…
Reference in New Issue