90 lines
2.3 KiB
TypeScript
90 lines
2.3 KiB
TypeScript
|
import { CSVParseParam, CellParser } from "./Parameters";
|
||
|
|
import { Converter, PreRawDataCallback, PreFileLineCallback } from "./Converter";
|
||
|
|
import { ChildProcess } from "child_process";
|
||
|
|
import CSVError from "./CSVError";
|
||
|
|
|
||
|
|
export interface ParseRuntime {
|
||
|
|
/**
|
||
|
|
* If need convert ignoreColumn from column name(string) to column index (number). Parser needs column index.
|
||
|
|
*/
|
||
|
|
needProcessIgnoreColumn: boolean;
|
||
|
|
/**
|
||
|
|
* If need convert includeColumn from column name(string) to column index (number). Parser needs column index.
|
||
|
|
*/
|
||
|
|
needProcessIncludeColumn: boolean;
|
||
|
|
/**
|
||
|
|
* the indexes of columns to reserve, undefined means reserve all, [] means hide all
|
||
|
|
*/
|
||
|
|
selectedColumns?: number[];
|
||
|
|
ended: boolean;
|
||
|
|
hasError: boolean;
|
||
|
|
error?: Error;
|
||
|
|
/**
|
||
|
|
* Inferred delimiter
|
||
|
|
*/
|
||
|
|
delimiter: string | string[];
|
||
|
|
/**
|
||
|
|
* Inferred eol
|
||
|
|
*/
|
||
|
|
eol?: string;
|
||
|
|
/**
|
||
|
|
* Converter function for a column. Populated at runtime.
|
||
|
|
*/
|
||
|
|
columnConv: (CellParser | null)[],
|
||
|
|
headerType: any[],
|
||
|
|
headerTitle: string[],
|
||
|
|
headerFlag: any[],
|
||
|
|
/**
|
||
|
|
* Inferred headers
|
||
|
|
*/
|
||
|
|
headers?: any[],
|
||
|
|
csvLineBuffer?: Buffer,
|
||
|
|
|
||
|
|
/**
|
||
|
|
* after first chunk of data being processed and emitted, started will become true.
|
||
|
|
*/
|
||
|
|
started: boolean,
|
||
|
|
preRawDataHook?: PreRawDataCallback,
|
||
|
|
preFileLineHook?: PreFileLineCallback,
|
||
|
|
parsedLineNumber: number,
|
||
|
|
|
||
|
|
columnValueSetter: Function[];
|
||
|
|
subscribe?: {
|
||
|
|
onNext?: (data: any, lineNumber:number) => void | PromiseLike<void>;
|
||
|
|
onError?: (err: CSVError) => void;
|
||
|
|
onCompleted?: () => void;
|
||
|
|
};
|
||
|
|
then?: {
|
||
|
|
onfulfilled: (value: any[]) => any;
|
||
|
|
onrejected: (err: Error) => any;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
export function initParseRuntime(converter: Converter): ParseRuntime {
|
||
|
|
const params = converter.parseParam;
|
||
|
|
const rtn: ParseRuntime = {
|
||
|
|
needProcessIgnoreColumn: false,
|
||
|
|
needProcessIncludeColumn: false,
|
||
|
|
selectedColumns: undefined,
|
||
|
|
ended: false,
|
||
|
|
hasError: false,
|
||
|
|
error: undefined,
|
||
|
|
delimiter: converter.parseParam.delimiter,
|
||
|
|
eol: converter.parseParam.eol,
|
||
|
|
columnConv: [],
|
||
|
|
headerType: [],
|
||
|
|
headerTitle: [],
|
||
|
|
headerFlag: [],
|
||
|
|
headers: undefined,
|
||
|
|
started: false,
|
||
|
|
parsedLineNumber: 0,
|
||
|
|
columnValueSetter: [],
|
||
|
|
}
|
||
|
|
if (params.ignoreColumns) {
|
||
|
|
rtn.needProcessIgnoreColumn = true;
|
||
|
|
}
|
||
|
|
if (params.includeColumns) {
|
||
|
|
rtn.needProcessIncludeColumn = true;
|
||
|
|
}
|
||
|
|
return rtn;
|
||
|
|
}
|