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https://github.com/unidoc/unioffice.git
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a5ef37c0bc
* evaluation errors fixed * allow underscores in sheet names * allow wildcard in *LOOKUP functions * horizontal and vertical ranges * horizontal and vertical ranges for sheet references * remove redundant recalculate * caching * fixed named ranges, made Evaluator more generic * Memory usage shown in flatten example * temporary file deleted * ParseCellReference duplicate removed * ISREF is fixed
37 lines
943 B
Go
37 lines
943 B
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 "sync"
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// evCache is a struct with collection of caching methods intended for add cache support to evaluators.
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type evCache struct {
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cache map[string]Result
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lock *sync.Mutex
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}
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func newEvCache() evCache {
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ev := evCache{}
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ev.cache = make(map[string]Result)
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ev.lock = &sync.Mutex{}
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return ev
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}
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func (ec *evCache) SetCache(key string, value Result) {
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ec.lock.Lock()
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ec.cache[key] = value
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ec.lock.Unlock()
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}
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func (ec *evCache) GetFromCache(key string) (Result, bool) {
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ec.lock.Lock()
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result, found := ec.cache[key]
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ec.lock.Unlock()
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return result, found
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}
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