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- import { isTypedArray, clone, createHashMap, isArray, isObject, isArrayLike, hasOwn, assert, each, map, isNumber, isString, keys } from 'zrender/lib/core/util.js';
- import { SOURCE_FORMAT_ORIGINAL, SERIES_LAYOUT_BY_COLUMN, SOURCE_FORMAT_UNKNOWN, SOURCE_FORMAT_KEYED_COLUMNS, SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ARRAY_ROWS, SOURCE_FORMAT_OBJECT_ROWS, SERIES_LAYOUT_BY_ROW } from '../util/types.js';
- import { getDataItemValue } from '../util/model.js';
- import { BE_ORDINAL, guessOrdinal } from './helper/sourceHelper.js';
- ;
- var SourceImpl = function () {
- function SourceImpl(fields) {
- this.data = fields.data || (fields.sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS ? {} : []);
- this.sourceFormat = fields.sourceFormat || SOURCE_FORMAT_UNKNOWN;
-
- this.seriesLayoutBy = fields.seriesLayoutBy || SERIES_LAYOUT_BY_COLUMN;
- this.startIndex = fields.startIndex || 0;
- this.dimensionsDetectedCount = fields.dimensionsDetectedCount;
- this.metaRawOption = fields.metaRawOption;
- var dimensionsDefine = this.dimensionsDefine = fields.dimensionsDefine;
- if (dimensionsDefine) {
- for (var i = 0; i < dimensionsDefine.length; i++) {
- var dim = dimensionsDefine[i];
- if (dim.type == null) {
- if (guessOrdinal(this, i) === BE_ORDINAL.Must) {
- dim.type = 'ordinal';
- }
- }
- }
- }
- }
- return SourceImpl;
- }();
- export function isSourceInstance(val) {
- return val instanceof SourceImpl;
- }
- export function createSource(sourceData, thisMetaRawOption,
- // can be null. If not provided, auto detect it from `sourceData`.
- sourceFormat) {
- sourceFormat = sourceFormat || detectSourceFormat(sourceData);
- var seriesLayoutBy = thisMetaRawOption.seriesLayoutBy;
- var determined = determineSourceDimensions(sourceData, sourceFormat, seriesLayoutBy, thisMetaRawOption.sourceHeader, thisMetaRawOption.dimensions);
- var source = new SourceImpl({
- data: sourceData,
- sourceFormat: sourceFormat,
- seriesLayoutBy: seriesLayoutBy,
- dimensionsDefine: determined.dimensionsDefine,
- startIndex: determined.startIndex,
- dimensionsDetectedCount: determined.dimensionsDetectedCount,
- metaRawOption: clone(thisMetaRawOption)
- });
- return source;
- }
- export function createSourceFromSeriesDataOption(data) {
- return new SourceImpl({
- data: data,
- sourceFormat: isTypedArray(data) ? SOURCE_FORMAT_TYPED_ARRAY : SOURCE_FORMAT_ORIGINAL
- });
- }
- export function cloneSourceShallow(source) {
- return new SourceImpl({
- data: source.data,
- sourceFormat: source.sourceFormat,
- seriesLayoutBy: source.seriesLayoutBy,
- dimensionsDefine: clone(source.dimensionsDefine),
- startIndex: source.startIndex,
- dimensionsDetectedCount: source.dimensionsDetectedCount
- });
- }
- export function detectSourceFormat(data) {
- var sourceFormat = SOURCE_FORMAT_UNKNOWN;
- if (isTypedArray(data)) {
- sourceFormat = SOURCE_FORMAT_TYPED_ARRAY;
- } else if (isArray(data)) {
-
- if (data.length === 0) {
- sourceFormat = SOURCE_FORMAT_ARRAY_ROWS;
- }
- for (var i = 0, len = data.length; i < len; i++) {
- var item = data[i];
- if (item == null) {
- continue;
- } else if (isArray(item) || isTypedArray(item)) {
- sourceFormat = SOURCE_FORMAT_ARRAY_ROWS;
- break;
- } else if (isObject(item)) {
- sourceFormat = SOURCE_FORMAT_OBJECT_ROWS;
- break;
- }
- }
- } else if (isObject(data)) {
- for (var key in data) {
- if (hasOwn(data, key) && isArrayLike(data[key])) {
- sourceFormat = SOURCE_FORMAT_KEYED_COLUMNS;
- break;
- }
- }
- }
- return sourceFormat;
- }
- function determineSourceDimensions(data, sourceFormat, seriesLayoutBy, sourceHeader,
- // standalone raw dimensions definition, like:
- // {
- // dimensions: ['aa', 'bb', { name: 'cc', type: 'time' }]
- // }
- // in `dataset` or `series`
- dimensionsDefine) {
- var dimensionsDetectedCount;
- var startIndex;
-
-
-
-
- if (!data) {
- return {
- dimensionsDefine: normalizeDimensionsOption(dimensionsDefine),
- startIndex: startIndex,
- dimensionsDetectedCount: dimensionsDetectedCount
- };
- }
- if (sourceFormat === SOURCE_FORMAT_ARRAY_ROWS) {
- var dataArrayRows = data;
-
-
-
-
- if (sourceHeader === 'auto' || sourceHeader == null) {
- arrayRowsTravelFirst(function (val) {
-
- if (val != null && val !== '-') {
- if (isString(val)) {
- startIndex == null && (startIndex = 1);
- } else {
- startIndex = 0;
- }
- }
-
- }, seriesLayoutBy, dataArrayRows, 10);
- } else {
- startIndex = isNumber(sourceHeader) ? sourceHeader : sourceHeader ? 1 : 0;
- }
- if (!dimensionsDefine && startIndex === 1) {
- dimensionsDefine = [];
- arrayRowsTravelFirst(function (val, index) {
- dimensionsDefine[index] = val != null ? val + '' : '';
- }, seriesLayoutBy, dataArrayRows, Infinity);
- }
- dimensionsDetectedCount = dimensionsDefine ? dimensionsDefine.length : seriesLayoutBy === SERIES_LAYOUT_BY_ROW ? dataArrayRows.length : dataArrayRows[0] ? dataArrayRows[0].length : null;
- } else if (sourceFormat === SOURCE_FORMAT_OBJECT_ROWS) {
- if (!dimensionsDefine) {
- dimensionsDefine = objectRowsCollectDimensions(data);
- }
- } else if (sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS) {
- if (!dimensionsDefine) {
- dimensionsDefine = [];
- each(data, function (colArr, key) {
- dimensionsDefine.push(key);
- });
- }
- } else if (sourceFormat === SOURCE_FORMAT_ORIGINAL) {
- var value0 = getDataItemValue(data[0]);
- dimensionsDetectedCount = isArray(value0) && value0.length || 1;
- } else if (sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {
- if (process.env.NODE_ENV !== 'production') {
- assert(!!dimensionsDefine, 'dimensions must be given if data is TypedArray.');
- }
- }
- return {
- startIndex: startIndex,
- dimensionsDefine: normalizeDimensionsOption(dimensionsDefine),
- dimensionsDetectedCount: dimensionsDetectedCount
- };
- }
- function objectRowsCollectDimensions(data) {
- var firstIndex = 0;
- var obj;
- while (firstIndex < data.length && !(obj = data[firstIndex++])) {}
- if (obj) {
- return keys(obj);
- }
- }
- function normalizeDimensionsOption(dimensionsDefine) {
- if (!dimensionsDefine) {
-
- return;
- }
- var nameMap = createHashMap();
- return map(dimensionsDefine, function (rawItem, index) {
- rawItem = isObject(rawItem) ? rawItem : {
- name: rawItem
- };
-
- var item = {
- name: rawItem.name,
- displayName: rawItem.displayName,
- type: rawItem.type
- };
-
-
-
- if (item.name == null) {
- return item;
- }
-
- item.name += '';
-
-
-
-
-
- if (item.displayName == null) {
- item.displayName = item.name;
- }
- var exist = nameMap.get(item.name);
- if (!exist) {
- nameMap.set(item.name, {
- count: 1
- });
- } else {
- item.name += '-' + exist.count++;
- }
- return item;
- });
- }
- function arrayRowsTravelFirst(cb, seriesLayoutBy, data, maxLoop) {
- if (seriesLayoutBy === SERIES_LAYOUT_BY_ROW) {
- for (var i = 0; i < data.length && i < maxLoop; i++) {
- cb(data[i] ? data[i][0] : null, i);
- }
- } else {
- var value0 = data[0] || [];
- for (var i = 0; i < value0.length && i < maxLoop; i++) {
- cb(value0[i], i);
- }
- }
- }
- export function shouldRetrieveDataByName(source) {
- var sourceFormat = source.sourceFormat;
- return sourceFormat === SOURCE_FORMAT_OBJECT_ROWS || sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS;
- }
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