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dd7713e1e3
* MATCH, IFS, MAXA, MINA * OFFSET fixed * ISBLANK, ISERR, ISERROR, ISEVEN ,ISFORMULA, ISNONTEXT, ISNUMBER, ISODD, ISTEXT * ISLEAPYEAR, ISLOGICAL, ISNA, ISREF * FIND, FINDB * SEARCH, SEARCHB * CONCAT, CONCATENATE * YEAR, YEARFRAC * CONCAT is fixed, now TRUE and FALSE are concatenated instead of 1 and 0 in case of boolean results * NOW, TODAY, TIME, TIMEVALUE * DATE * DATEDIF
60 lines
1.9 KiB
Go
60 lines
1.9 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 on https://unidoc.io.
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package formula
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import "time"
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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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// GetEpoch returns the time epoch of the context's Workbook.
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GetEpoch() time.Time
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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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// HasFormula returns if cell contains formula.
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HasFormula(cellRef string) bool
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// IsBool returns if cell contains boolean value.
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IsBool(cellRef string) bool
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// IsDBCS returns if workbook default language is among DBCS.
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IsDBCS() bool
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// SetLocked 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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