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formula

package

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Versions in this module

v1

v1.1.1

Jan 21, 2020

v0

v0.7.1

May 25, 2018

v0.7.0

Mar 31, 2018

v0.6.0

Feb 6, 2018

Changes in this version

type Context

+ SetOffset func(col, row uint32)

v0.4.0

Sep 29, 2017

Changes in this version

type Result

+ func Average(args []Result) Result

+ func Averagea(args []Result) Result

+ func Count(args []Result) Result

+ func CountBlank(args []Result) Result

+ func Counta(args []Result) Result

+ func HLookup(args []Result) Result

+ func Lookup(args []Result) Result

+ func Median(args []Result) Result

+ func Transpose(args []Result) Result

+ func Unicode(args []Result) Result

+ func VLookup(args []Result) Result

v0.3.0

Sep 19, 2017

Changes in this version

+ var InvalidReferenceContext = &ivr

+ var ReferenceInvalid = Reference

+ func ColumnToIndex(col string) uint32

+ func IndexToColumn(col uint32) string

+ func LexReader(r io.Reader) chan *node

+ func ParseCellReference(s string) (col string, row uint32, err error)

+ func RegisterFunction(name string, fn Function)

+ func RegisterFunctionComplex(name string, fn FunctionComplex)

+ func SupportedFunctions() []string

+ type BinOpType byte

+ const BinOpTypeConcat

+ const BinOpTypeDiv

+ const BinOpTypeEQ

+ const BinOpTypeExp

+ const BinOpTypeGEQ

+ const BinOpTypeGT

+ const BinOpTypeLEQ

+ const BinOpTypeLT

+ const BinOpTypeMinus

+ const BinOpTypeMult

+ const BinOpTypeNE

+ const BinOpTypePlus

+ const BinOpTypeUnknown

+ func (i BinOpType) String() string

+ type BinaryExpr struct

+ func (b BinaryExpr) Eval(ctx Context, ev Evaluator) Result

+ func (b BinaryExpr) Reference(ctx Context, ev Evaluator) Reference

+ type Bool struct

+ func (b Bool) Eval(ctx Context, ev Evaluator) Result

+ func (b Bool) Reference(ctx Context, ev Evaluator) Reference

+ type CellRef struct

+ func (c CellRef) Eval(ctx Context, ev Evaluator) Result

+ func (c CellRef) Reference(ctx Context, ev Evaluator) Reference

+ type ConstArrayExpr struct

+ func (c ConstArrayExpr) Eval(ctx Context, ev Evaluator) Result

+ func (c ConstArrayExpr) Reference(ctx Context, ev Evaluator) Reference

+ type Context interface

+ Cell func(ref string, ev Evaluator) Result

+ NamedRange func(name string) Reference

+ Sheet func(name string) Context

+ type EmptyExpr struct

+ func (e EmptyExpr) Eval(ctx Context, ev Evaluator) Result

+ func (e EmptyExpr) Reference(ctx Context, ev Evaluator) Reference

+ type Error struct

+ func (e Error) Eval(ctx Context, ev Evaluator) Result

+ func (e Error) Reference(ctx Context, ev Evaluator) Reference

+ type ErrorType byte

+ const ErrorTypeDivideByZero

+ const ErrorTypeNA

+ const ErrorTypeName

+ const ErrorTypeNull

+ const ErrorTypeNum

+ const ErrorTypeRef

+ const ErrorTypeValue

+ type Evaluator interface

+ Eval func(ctx Context, formula string) Result

+ func NewEvaluator() Evaluator

+ type Expression interface

+ Eval func(ctx Context, ev Evaluator) Result

+ Reference func(ctx Context, ev Evaluator) Reference

+ func NewBinaryExpr(lhs Expression, op BinOpType, rhs Expression) Expression

+ func NewBool(v string) Expression

+ func NewCellRef(v string) Expression

+ func NewConstArrayExpr(data [][]Expression) Expression

+ func NewEmptyExpr() Expression

+ func NewError(v string) Expression

+ func NewFunction(name string, args []Expression) Expression

+ func NewNamedRangeRef(v string) Expression

+ func NewNegate(e Expression) Expression

+ func NewNumber(v string) Expression

+ func NewPrefixExpr(pfx, exp Expression) Expression

+ func NewRange(from, to Expression) Expression

+ func NewSheetPrefixExpr(s string) Expression

+ func NewString(v string) Expression

+ func Parse(r io.Reader) Expression

+ func ParseString(s string) Expression

+ type Function func(args []Result) Result

+ func LookupFunction(name string) Function

+ type FunctionCall struct

+ func (f FunctionCall) Eval(ctx Context, ev Evaluator) Result

+ func (f FunctionCall) Reference(ctx Context, ev Evaluator) Reference

+ type FunctionComplex func(ctx Context, ev Evaluator, args []Result) Result

+ func LookupFunctionComplex(name string) FunctionComplex

+ type Lexer struct

+ func NewLexer() *Lexer

+ func (l *Lexer) Next() *node

+ type NamedRangeRef struct

+ func (n NamedRangeRef) Eval(ctx Context, ev Evaluator) Result

+ func (n NamedRangeRef) Reference(ctx Context, ev Evaluator) Reference

+ type Negate struct

+ func (n Negate) Eval(ctx Context, ev Evaluator) Result

+ func (n Negate) Reference(ctx Context, ev Evaluator) Reference

+ type Number struct

+ func (n Number) Eval(ctx Context, ev Evaluator) Result

+ func (n Number) Reference(ctx Context, ev Evaluator) Reference

+ type PrefixExpr struct

+ func (p PrefixExpr) Eval(ctx Context, ev Evaluator) Result

+ func (p PrefixExpr) Reference(ctx Context, ev Evaluator) Reference

+ type Range struct

+ func (r Range) Eval(ctx Context, ev Evaluator) Result

+ func (r Range) Reference(ctx Context, ev Evaluator) Reference

+ type Reference struct

+ Type ReferenceType

+ Value string

+ func MakeRangeReference(ref string) Reference

+ type ReferenceType byte

+ const ReferenceTypeCell

+ const ReferenceTypeInvalid

+ const ReferenceTypeNamedRange

+ const ReferenceTypeRange

+ const ReferenceTypeSheet

+ func (i ReferenceType) String() string

+ type Result struct

+ ErrorMessage string

+ Ref Reference

+ Type ResultType

+ ValueArray [][]Result

+ ValueList []Result

+ ValueNumber float64

+ ValueString string

+ func And(args []Result) Result

+ func Arabic(args []Result) Result

+ func Atan2(args []Result) Result

+ func Base(args []Result) Result

+ func Ceiling(args []Result) Result

+ func CeilingMath(args []Result) Result

+ func CeilingPrecise(args []Result) Result

+ func Char(args []Result) Result

+ func Clean(args []Result) Result

+ func Code(args []Result) Result

+ func Combin(args []Result) Result

+ func Combina(args []Result) Result

+ func Concatenate(args []Result) Result

+ func Decimal(args []Result) Result

+ func Degrees(args []Result) Result

+ func Even(args []Result) Result

+ func Exact(args []Result) Result

+ func Fact(args []Result) Result

+ func FactDouble(args []Result) Result

+ func False(args []Result) Result

+ func Floor(args []Result) Result

+ func FloorMath(args []Result) Result

+ func FloorPrecise(args []Result) Result

+ func GCD(args []Result) Result

+ func If(args []Result) Result

+ func IfError(args []Result) Result

+ func IfNA(args []Result) Result

+ func Index(args []Result) Result

+ func Indirect(ctx Context, ev Evaluator, args []Result) Result

+ func Int(args []Result) Result

+ func LCM(args []Result) Result

+ func Left(args []Result) Result

+ func Len(args []Result) Result

+ func Log(args []Result) Result

+ func Lower(args []Result) Result

+ func MDeterm(args []Result) Result

+ func MakeArrayResult(arr [][]Result) Result

+ func MakeBoolResult(b bool) Result

+ func MakeEmptyResult() Result

+ func MakeErrorResult(msg string) Result

+ func MakeErrorResultType(t ErrorType, msg string) Result

+ func MakeListResult(list []Result) Result

+ func MakeNumberResult(v float64) Result

+ func MakeStringResult(s string) Result

+ func Max(args []Result) Result

+ func Min(args []Result) Result

+ func Mod(args []Result) Result

+ func Mround(args []Result) Result

+ func Multinomial(args []Result) Result

+ func Munit(args []Result) Result

+ func NA(args []Result) Result

+ func Not(args []Result) Result

+ func Odd(args []Result) Result

+ func Offset(ctx Context, ev Evaluator, args []Result) Result

+ func Or(args []Result) Result

+ func Pi(args []Result) Result

+ func Power(args []Result) Result

+ func Product(args []Result) Result

+ func Proper(args []Result) Result

+ func Quotient(args []Result) Result

+ func Radians(args []Result) Result

+ func Rand(args []Result) Result

+ func RandBetween(args []Result) Result

+ func Rept(args []Result) Result

+ func Right(args []Result) Result

+ func Roman(args []Result) Result

+ func Round(args []Result) Result

+ func RoundDown(args []Result) Result

+ func RoundUp(args []Result) Result

+ func SeriesSum(args []Result) Result

+ func Sign(args []Result) Result

+ func Sum(args []Result) Result

+ func SumProduct(args []Result) Result

+ func SumSquares(args []Result) Result

+ func T(args []Result) Result

+ func Trim(args []Result) Result

+ func True(args []Result) Result

+ func Trunc(args []Result) Result

+ func Upper(args []Result) Result

+ func Xor(args []Result) Result

+ func (r Result) AsNumber() Result

+ func (r Result) AsString() Result

+ func (r Result) ListValues() []Result

+ func (r Result) String() string

+ func (r Result) Value() string

+ type ResultType byte

+ const ResultTypeArray

+ const ResultTypeEmpty

+ const ResultTypeError

+ const ResultTypeList

+ const ResultTypeNumber

+ const ResultTypeString

+ const ResultTypeUnknown

+ func (i ResultType) String() string

+ type SheetPrefixExpr struct

+ func (s SheetPrefixExpr) Eval(ctx Context, ev Evaluator) Result

+ func (s SheetPrefixExpr) Reference(ctx Context, ev Evaluator) Reference

+ type String struct

+ func (s String) Eval(ctx Context, ev Evaluator) Result

+ func (s String) Reference(ctx Context, ev Evaluator) Reference