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5335bf249b
* update license and terms * Fixes * Create ACKNOWLEDGEMENTS.md * Update ACKNOWLEDGEMENTS.md * Revert go.mod changes and remove go1.11 tests
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
// Copyright 2017 FoxyUtils ehf. All rights reserved.
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//
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// Use of this software package and source code is governed by the terms of the
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// UniDoc End User License Agreement (EULA) that is available at:
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// https://unidoc.io/eula/
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// A trial license code for evaluation can be obtained at https://unidoc.io.
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package formula
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import (
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"strconv"
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"github.com/unidoc/unioffice"
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"github.com/unidoc/unioffice/spreadsheet/update"
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)
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// Number is a nubmer expression.
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type Number struct {
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v float64
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}
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// NewNumber constructs a new number expression.
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func NewNumber(v string) Expression {
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f, err := strconv.ParseFloat(v, 64)
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if err != nil {
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unioffice.Log("error parsing formula number %s: %s", v, err)
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}
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return Number{f}
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}
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// Eval evaluates and returns a number.
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func (n Number) Eval(ctx Context, ev Evaluator) Result {
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return MakeNumberResult(n.v)
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}
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// Reference returns an invalid reference for Number.
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func (n Number) Reference(ctx Context, ev Evaluator) Reference {
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return ReferenceInvalid
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}
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// String returns a string representation of Number.
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func (n Number) String() string {
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return strconv.FormatFloat(n.v, 'f', -1, 64)
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}
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// Update returns the same object as updating sheet references does not affect Number.
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func (n Number) Update(q *update.UpdateQuery) Expression {
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return n
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}
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