import { BitWidth } from './bit-width.js'
import { toByteWidth, fromByteWidth } from './bit-width-util.js'
import { toUTF8Array, fromUTF8Array } from './flexbuffers-util.js'
-import { Reference } from './reference.js'
export function validateOffset(dataView: DataView, offset: number, width: number): void {
if (dataView.byteLength <= offset + width || (offset & (toByteWidth(width) - 1)) !== 0) {
return dataView.getUint8(keyIndirectOffset + input.length) === 0 ? 0 : -1;
}
-export function valueForIndexWithKey(index: number, key: string, dataView: DataView, offset: number, parentWidth: number, byteWidth: number, length: number, path: string): Reference {
- const _indirect = indirect(dataView, offset, parentWidth);
- const elementOffset = _indirect + index * byteWidth;
- const packedType = dataView.getUint8(_indirect + length * byteWidth + index);
- return new Reference(dataView, elementOffset, fromByteWidth(byteWidth), packedType, `${path}/${key}`)
-}
-
export function keyForIndex(index: number, dataView: DataView, offset: number, parentWidth: number, byteWidth: number): string {
const keysVectorOffset = indirect(dataView, offset, parentWidth) - byteWidth * 3;
const bitWidth = fromByteWidth(byteWidth);
import { fromByteWidth } from './bit-width-util.js'
import { ValueType } from './value-type.js'
import { isNumber, isIndirectNumber, isAVector, fixedTypedVectorElementSize, isFixedTypedVector, isTypedVector, typedVectorElementType, packedType, fixedTypedVectorElementType } from './value-type-util.js'
-import { indirect, keyForIndex, keyIndex, readFloat, readInt, readUInt, valueForIndexWithKey } from './reference-util.js'
+import { indirect, keyForIndex, keyIndex, readFloat, readInt, readUInt } from './reference-util.js'
import { fromUTF8Array } from './flexbuffers-util.js';
import { BitWidth } from './bit-width.js';
export function toReference(buffer: ArrayBuffer): Reference {
const len = buffer.byteLength;
-
+
if (len < 3) {
throw "Buffer needs to be bigger than 3";
}
return new Reference(dataView, offset, parentWidth, packedType, "/")
}
+function valueForIndexWithKey(index: number, key: string, dataView: DataView, offset: number, parentWidth: number, byteWidth: number, length: number, path: string): Reference {
+ const _indirect = indirect(dataView, offset, parentWidth);
+ const elementOffset = _indirect + index * byteWidth;
+ const packedType = dataView.getUint8(_indirect + length * byteWidth + index);
+ return new Reference(dataView, elementOffset, fromByteWidth(byteWidth), packedType, `${path}/${key}`)
+}
+
export class Reference {
private readonly byteWidth: number
private readonly valueType: ValueType