@truffle/codec/dist/lib/wrap/string.js

Library for encoding and decoding smart contract data

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.stringCases = void 0;
const debug_1 = __importDefault(require("debug"));
const debug = (0, debug_1.default)("codec:wrap:string");
const dispatch_1 = require("./dispatch");
const errors_1 = require("./errors");
const decode_1 = require("../bytes/decode");
const bytes_1 = require("./bytes");
const Utils = __importStar(require("./utils"));
const Messages = __importStar(require("./messages"));
const stringCasesBasic = [
    stringFromString,
    stringFromBoxedString,
    stringFromCodecStringValue,
    stringFromUint8ArrayLike,
    stringFailureCase
];
exports.stringCases = [stringFromTypeValueInput, ...stringCasesBasic];
function* stringFromString(dataType, input, wrapOptions) {
    if (typeof input !== "string") {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 1, "Input was not a string");
    }
    if (!Utils.isValidUtf16(input)) {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 5, Messages.invalidUtf16Message);
    }
    return {
        type: dataType,
        kind: "value",
        value: {
            kind: "valid",
            asString: input
        },
        interpretations: {}
    };
}
function* stringFromBoxedString(dataType, input, wrapOptions) {
    if (!Utils.isBoxedString(input)) {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 1, "Input was not a boxed string");
    }
    //defer to primitive string case
    return yield* stringFromString(dataType, input.valueOf(), wrapOptions);
}
function* stringFromCodecStringValue(dataType, input, wrapOptions) {
    if (!Utils.isWrappedResult(input)) {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 1, "Input was not a wrapped result");
    }
    if (input.type.typeClass !== "string") {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 5, Messages.wrappedTypeMessage(input.type));
    }
    if (input.kind !== "value") {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 5, Messages.errorResultMessage);
    }
    //rather than dealing with the different kinds in this case
    //for rewrapping, we'll just rewrap directly;
    //yes, this is a bit inconsistent with how we handle this case for other types
    return {
        type: dataType,
        kind: "value",
        value: input.value,
        interpretations: {}
    };
}
function* stringFromUint8ArrayLike(dataType, input, wrapOptions) {
    if (!Utils.isUint8ArrayLike(input)) {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 1, "Input was not a Uint8Array-like");
    }
    //the next series of checks is delegated to a helper fn
    (0, bytes_1.validateUint8ArrayLike)(input, dataType, wrapOptions.name); //(this fn just throws an appropriate error if something's bad)
    const info = (0, decode_1.decodeString)(new Uint8Array(input));
    return {
        type: dataType,
        kind: "value",
        value: info,
        interpretations: {}
    };
}
function* stringFromTypeValueInput(dataType, input, wrapOptions) {
    if (!Utils.isTypeValueInput(input)) {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 1, "Input was not a type/value pair");
    }
    if (input.type !== "string") {
        throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 5, Messages.specifiedTypeMessage(input.type));
    }
    //extract value & try again, with loose option turned on
    return yield* (0, dispatch_1.wrapWithCases)(dataType, input.value, Object.assign(Object.assign({}, wrapOptions), { loose: true }), stringCasesBasic);
}
function* stringFailureCase(dataType, input, wrapOptions) {
    throw new errors_1.TypeMismatchError(dataType, input, wrapOptions.name, 2, Messages.notAStringMessage);
}
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