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415c045839
* CELL function * CELL moved to fninformation.go * CHOOSE function * CHOOSE function add one test * COLUMN function * COLUMNS function * COUNTIF function * COUNTIF, COUNTIFS, MINIFS, MAXIFS, SUMIF, SUMIFS, some style fixes * SUMIF and SUMIFS moved to the right location * VALUE function * wildcard is added * CELL format fix
46 lines
1.6 KiB
Go
46 lines
1.6 KiB
Go
// Copyright 2017 FoxyUtils ehf. All rights reserved.
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//
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// Use of this source code is governed by the terms of the Affero GNU General
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// Public License version 3.0 as published by the Free Software Foundation and
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// appearing in the file LICENSE included in the packaging of this file. A
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// commercial license can be purchased by contacting sales@baliance.com.
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package formula
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// Context is a formula execution context. Formula evaluation uses the context
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// to retreive information from sheets.
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type Context interface {
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// Cell returns the result of evaluating a cell.
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Cell(ref string, ev Evaluator) Result
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// Sheet returns an evaluation context for a given sheet name. This is used
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// when evaluating cells that pull data from other sheets (e.g. ='Sheet 2'!A1).
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Sheet(name string) Context
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// GetFilename returns the full filename of the context's Workbook.
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GetFilename() string
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// GetWidth returns a worksheet's column width.
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GetWidth(colIdx int) float64
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// GetFormat returns a cell's format.
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GetFormat(cellRef string) string
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// GetLabelPrefix returns cell's label prefix dependent on cell horizontal alignment.
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GetLabelPrefix(cellRef string) string
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// GetFormat returns if cell is protected.
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GetLocked(cellRef string) bool
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// GetFormat returns sets cell's protected attribute.
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SetLocked(cellRef string, locked bool)
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// NamedRange returns a named range.
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NamedRange(name string) Reference
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// SetOffset is used so that the Context can evaluate cell references
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// differently when they are not absolute (e.g. not like '$A$5'). See the
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// shared formula support in Cell for usage.
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SetOffset(col, row uint32)
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}
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