Spaces:
Sleeping
Sleeping
File size: 5,585 Bytes
be5030f |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 |
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
import { Data } from '../data';
import { Field } from '../schema';
import { Column } from '../column';
import { Vector } from '../vector';
import { DataType } from '../type';
import { Chunked } from '../vector/chunked';
const isArray = Array.isArray;
/** @ignore */
export const selectArgs = (Ctor, vals) => _selectArgs(Ctor, vals, [], 0);
/** @ignore */
export const selectColumnArgs = (args) => {
const [fields, values] = _selectFieldArgs(args, [[], []]);
return values.map((x, i) => x instanceof Column ? Column.new(x.field.clone(fields[i]), x) :
x instanceof Vector ? Column.new(fields[i], x) :
Column.new(fields[i], []));
};
/** @ignore */
export const selectFieldArgs = (args) => _selectFieldArgs(args, [[], []]);
/** @ignore */
export const selectChunkArgs = (Ctor, vals) => _selectChunkArgs(Ctor, vals, [], 0);
/** @ignore */
export const selectVectorChildrenArgs = (Ctor, vals) => _selectVectorChildrenArgs(Ctor, vals, [], 0);
/** @ignore */
export const selectColumnChildrenArgs = (Ctor, vals) => _selectColumnChildrenArgs(Ctor, vals, [], 0);
/** @ignore */
function _selectArgs(Ctor, vals, res, idx) {
let value, j = idx;
let i = -1, n = vals.length;
while (++i < n) {
if (isArray(value = vals[i])) {
j = _selectArgs(Ctor, value, res, j).length;
}
else if (value instanceof Ctor) {
res[j++] = value;
}
}
return res;
}
/** @ignore */
function _selectChunkArgs(Ctor, vals, res, idx) {
let value, j = idx;
let i = -1, n = vals.length;
while (++i < n) {
if (isArray(value = vals[i])) {
j = _selectChunkArgs(Ctor, value, res, j).length;
}
else if (value instanceof Chunked) {
j = _selectChunkArgs(Ctor, value.chunks, res, j).length;
}
else if (value instanceof Ctor) {
res[j++] = value;
}
}
return res;
}
/** @ignore */
function _selectVectorChildrenArgs(Ctor, vals, res, idx) {
let value, j = idx;
let i = -1, n = vals.length;
while (++i < n) {
if (isArray(value = vals[i])) {
j = _selectVectorChildrenArgs(Ctor, value, res, j).length;
}
else if (value instanceof Ctor) {
j = _selectArgs(Vector, value.schema.fields.map((_, i) => value.getChildAt(i)), res, j).length;
}
else if (value instanceof Vector) {
res[j++] = value;
}
}
return res;
}
/** @ignore */
function _selectColumnChildrenArgs(Ctor, vals, res, idx) {
let value, j = idx;
let i = -1, n = vals.length;
while (++i < n) {
if (isArray(value = vals[i])) {
j = _selectColumnChildrenArgs(Ctor, value, res, j).length;
}
else if (value instanceof Ctor) {
j = _selectArgs(Column, value.schema.fields.map((f, i) => Column.new(f, value.getChildAt(i))), res, j).length;
}
else if (value instanceof Column) {
res[j++] = value;
}
}
return res;
}
/** @ignore */
const toKeysAndValues = (xs, [k, v], i) => (xs[0][i] = k, xs[1][i] = v, xs);
/** @ignore */
function _selectFieldArgs(vals, ret) {
let keys, n;
switch (n = vals.length) {
case 0: return ret;
case 1:
keys = ret[0];
if (!(vals[0])) {
return ret;
}
if (isArray(vals[0])) {
return _selectFieldArgs(vals[0], ret);
}
if (!(vals[0] instanceof Data || vals[0] instanceof Vector || vals[0] instanceof DataType)) {
[keys, vals] = Object.entries(vals[0]).reduce(toKeysAndValues, ret);
}
break;
default:
!isArray(keys = vals[n - 1])
? (vals = isArray(vals[0]) ? vals[0] : vals, keys = [])
: (vals = isArray(vals[0]) ? vals[0] : vals.slice(0, n - 1));
}
let fieldIndex = -1;
let valueIndex = -1;
let idx = -1, len = vals.length;
let field;
let val;
let [fields, values] = ret;
while (++idx < len) {
val = vals[idx];
if (val instanceof Column && (values[++valueIndex] = val)) {
fields[++fieldIndex] = val.field.clone(keys[idx], val.type, true);
}
else {
({ [idx]: field = idx } = keys);
if (val instanceof DataType && (values[++valueIndex] = val)) {
fields[++fieldIndex] = Field.new(field, val, true);
}
else if (val && val.type && (values[++valueIndex] = val)) {
val instanceof Data && (values[valueIndex] = val = Vector.new(val));
fields[++fieldIndex] = Field.new(field, val.type, true);
}
}
}
return ret;
}
//# sourceMappingURL=args.mjs.map
|