BackgroundTokenizer
优质
小牛编辑
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2023-12-01
Tokenizes the current Document in the background, and caches the tokenized rows for future use.
If a certain row is changed, everything below that row is re-tokenized.
Constructors
new BackgroundTokenizer(Tokenizer tokenizer, Editor editor)
Creates a new BackgroundTokenizer object.
| tokenizer | Tokenizer | Required. The tokenizer to use |
| editor | Editor | Required. The editor to associate with |
Events
BackgroundTokenizer.on("update", function(Object e))
Fires whenever the background tokeniziers between a range of rows are going to be updated.
| e | Object | Required. An object containing two properties, first and last, which indicate the rows of the region being updated. |
Methods
BackgroundTokenizer.fireUpdateEvent(Number firstRow, Number lastRow)
Emits the 'update' event. firstRow and lastRow are used to define the boundaries of the region to be updated.
| firstRow | Number | Required. The starting row region |
| lastRow | Number | Required. The final row region |
BackgroundTokenizer.getState(Number row)
Returns the state of tokenization at the end of a row.
| row | Number | Required. The row to get state at |
BackgroundTokenizer.getTokens(Number row)
Gives list of tokens of the row. (tokens are cached)
| row | Number | Required. The row to get tokens at |
BackgroundTokenizer.setDocument(Document doc)
Sets a new document to associate with this object.
| doc | Document | Required. The new document to associate with |
BackgroundTokenizer.setTokenizer(Tokenizer tokenizer)
Sets a new tokenizer for this object.
| tokenizer | Tokenizer | Required. The new tokenizer to use |
BackgroundTokenizer.start(Number startRow)
Starts tokenizing at the row indicated.
| startRow | Number | Required. The row to start at |
BackgroundTokenizer.stop()
Stops tokenizing.