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-rw-r--r--packages/utils/src/abi_encoder/abstract_data_types/data_type.ts20
-rw-r--r--packages/utils/src/abi_encoder/abstract_data_types/types/set.ts34
-rw-r--r--packages/utils/src/abi_encoder/evm_data_type_factory.ts33
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/address.ts5
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/array.ts24
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/bool.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/int.ts8
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/method.ts15
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/pointer.ts8
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/string.ts2
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/tuple.ts20
-rw-r--r--packages/utils/src/abi_encoder/evm_data_types/uint.ts8
-rw-r--r--packages/utils/src/abi_encoder/index.ts2
-rw-r--r--packages/utils/src/abi_encoder/utils/constants.ts2
-rw-r--r--packages/utils/src/abi_encoder/utils/signature_parser.ts101
17 files changed, 247 insertions, 41 deletions
diff --git a/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts b/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
index 13cc87e2a..f23324721 100644
--- a/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
+++ b/packages/utils/src/abi_encoder/abstract_data_types/data_type.ts
@@ -51,8 +51,26 @@ export abstract class DataType {
return value;
}
+ public decodeAsArray(returndata: string, rules?: DecodingRules): any[] {
+ const value = this.decode(returndata, rules);
+ const valuesAsArray = _.isObject(value) ? _.values(value) : [value];
+ return valuesAsArray;
+ }
+
+ public getSignature(isDetailed?: boolean): string {
+ if (_.isEmpty(this._dataItem.name) || !isDetailed) {
+ return this.getSignatureType();
+ }
+ const name = this.getDataItem().name;
+ const lastIndexOfScopeDelimiter = name.lastIndexOf('.');
+ const isScopedName = !_.isUndefined(lastIndexOfScopeDelimiter) && lastIndexOfScopeDelimiter > 0;
+ const shortName = isScopedName ? name.substr((lastIndexOfScopeDelimiter as number) + 1) : name;
+ const detailedSignature = `${shortName} ${this.getSignatureType()}`;
+ return detailedSignature;
+ }
+
public abstract generateCalldataBlock(value: any, parentBlock?: CalldataBlock): CalldataBlock;
public abstract generateValue(calldata: RawCalldata, rules: DecodingRules): any;
- public abstract getSignature(): string;
+ public abstract getSignatureType(): string;
public abstract isStatic(): boolean;
}
diff --git a/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts b/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts
index 00059a4b6..2c6c4b0f6 100644
--- a/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts
+++ b/packages/utils/src/abi_encoder/abstract_data_types/types/set.ts
@@ -1,3 +1,4 @@
+import { ObjectMap } from '@0x/types';
import { DataItem } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
@@ -134,31 +135,26 @@ export abstract class AbstractSetDataType extends DataType {
const block = new SetCalldataBlock(this.getDataItem().name, this.getSignature(), parentName);
// Create blocks for members of set.
const memberCalldataBlocks: CalldataBlock[] = [];
- const childMap = _.cloneDeep(this._memberIndexByName);
- _.forOwn(obj, (value: any, key: string) => {
- if (!(key in childMap)) {
+ _.forEach(this._memberIndexByName, (memberIndex: number, memberName: string) => {
+ if (!(memberName in obj)) {
throw new Error(
- `Could not assign tuple to object: unrecognized key '${key}' in object ${this.getDataItem().name}`,
+ `Could not assign tuple to object: missing key '${memberName}' in object ${JSON.stringify(obj)}`,
);
}
- const memberBlock = this._members[this._memberIndexByName[key]].generateCalldataBlock(value, block);
+ const memberValue: any = (obj as ObjectMap<any>)[memberName];
+ const memberBlock = this._members[memberIndex].generateCalldataBlock(memberValue, block);
memberCalldataBlocks.push(memberBlock);
- delete childMap[key];
});
- // Sanity check that all members have been included.
- if (Object.keys(childMap).length !== 0) {
- throw new Error(`Could not assign tuple to object: missing keys ${Object.keys(childMap)}`);
- }
// Associate member blocks with Set block.
block.setMembers(memberCalldataBlocks);
return block;
}
- protected _computeSignatureOfMembers(): string {
+ protected _computeSignatureOfMembers(isDetailed?: boolean): string {
// Compute signature of members
let signature = `(`;
_.each(this._members, (member: DataType, i: number) => {
- signature += member.getSignature();
+ signature += member.getSignature(isDetailed);
if (i < this._members.length - 1) {
signature += ',';
}
@@ -179,17 +175,27 @@ export abstract class AbstractSetDataType extends DataType {
// Create one member for each component of `dataItem`
const members: DataType[] = [];
const memberIndexByName: MemberIndexByName = {};
+ const memberNames: string[] = [];
_.each(dataItem.components, (memberItem: DataItem) => {
+ // If a component with `name` already exists then
+ // rename to `name_nameIdx` to avoid naming conflicts.
+ let memberName = memberItem.name;
+ let nameIdx = 0;
+ while (_.includes(memberNames, memberName) || _.isEmpty(memberName)) {
+ nameIdx++;
+ memberName = `${memberItem.name}_${nameIdx}`;
+ }
+ memberNames.push(memberName);
const childDataItem: DataItem = {
type: memberItem.type,
- name: `${dataItem.name}.${memberItem.name}`,
+ name: `${dataItem.name}.${memberName}`,
};
const components = memberItem.components;
if (!_.isUndefined(components)) {
childDataItem.components = components;
}
const child = this.getFactory().create(childDataItem, this);
- memberIndexByName[memberItem.name] = members.length;
+ memberIndexByName[memberName] = members.length;
members.push(child);
});
return [members, memberIndexByName];
diff --git a/packages/utils/src/abi_encoder/evm_data_type_factory.ts b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
index 4cc124e0a..268649148 100644
--- a/packages/utils/src/abi_encoder/evm_data_type_factory.ts
+++ b/packages/utils/src/abi_encoder/evm_data_type_factory.ts
@@ -2,6 +2,8 @@
import { DataItem, MethodAbi } from 'ethereum-types';
import * as _ from 'lodash';
+import { generateDataItemsFromSignature } from './utils/signature_parser';
+
import { DataType } from './abstract_data_types/data_type';
import { DataTypeFactory } from './abstract_data_types/interfaces';
import { AddressDataType } from './evm_data_types/address';
@@ -129,4 +131,35 @@ export class EvmDataTypeFactory implements DataTypeFactory {
private constructor() {}
}
+
+/**
+ * Convenience function for creating a DataType from different inputs.
+ * @param input A single or set of DataItem or a DataType signature.
+ * A signature in the form of '<type>' is interpreted as a `DataItem`
+ * For example, 'string' is interpreted as {type: 'string'}
+ * A signature in the form '(<type1>, <type2>, ..., <typen>)' is interpreted as `DataItem[]`
+ * For eaxmple, '(string, uint256)' is interpreted as [{type: 'string'}, {type: 'uint256'}]
+ * @return DataType corresponding to input.
+ */
+export function create(input: DataItem | DataItem[] | string): DataType {
+ // Handle different types of input
+ const isSignature = typeof input === 'string';
+ const isTupleSignature = isSignature && (input as string).startsWith('(');
+ const shouldParseAsTuple = isTupleSignature || _.isArray(input);
+ // Create input `dataItem`
+ let dataItem: DataItem;
+ if (shouldParseAsTuple) {
+ const dataItems = isSignature ? generateDataItemsFromSignature(input as string) : (input as DataItem[]);
+ dataItem = {
+ name: '',
+ type: 'tuple',
+ components: dataItems,
+ };
+ } else {
+ dataItem = isSignature ? generateDataItemsFromSignature(input as string)[0] : (input as DataItem);
+ }
+ // Create data type
+ const dataType = EvmDataTypeFactory.getInstance().create(dataItem);
+ return dataType;
+}
/* tslint:enable no-construct */
diff --git a/packages/utils/src/abi_encoder/evm_data_types/address.ts b/packages/utils/src/abi_encoder/evm_data_types/address.ts
index 2e3a206c6..2278830eb 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/address.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/address.ts
@@ -39,10 +39,11 @@ export class AddressDataType extends AbstractBlobDataType {
const valueBufPadded = calldata.popWord();
const valueBuf = valueBufPadded.slice(AddressDataType._DECODED_ADDRESS_OFFSET_IN_BYTES);
const value = ethUtil.bufferToHex(valueBuf);
- return value;
+ const valueLowercase = _.toLower(value);
+ return valueLowercase;
}
- public getSignature(): string {
+ public getSignatureType(): string {
return SolidityTypes.Address;
}
/* tslint:enable prefer-function-over-method */
diff --git a/packages/utils/src/abi_encoder/evm_data_types/array.ts b/packages/utils/src/abi_encoder/evm_data_types/array.ts
index 7595cb667..d9607f47e 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/array.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/array.ts
@@ -7,7 +7,6 @@ import { constants } from '../utils/constants';
export class ArrayDataType extends AbstractSetDataType {
private static readonly _MATCHER = RegExp('^(.+)\\[([0-9]*)\\]$');
- private readonly _arraySignature: string;
private readonly _elementType: string;
public static matchType(type: string): boolean {
@@ -35,25 +34,36 @@ export class ArrayDataType extends AbstractSetDataType {
super(dataItem, dataTypeFactory, isArray, arrayLength, arrayElementType);
// Set array properties
this._elementType = arrayElementType;
- this._arraySignature = this._computeSignature();
}
- public getSignature(): string {
- return this._arraySignature;
+ public getSignatureType(): string {
+ return this._computeSignature(false);
}
- private _computeSignature(): string {
+ public getSignature(isDetailed?: boolean): string {
+ if (_.isEmpty(this.getDataItem().name) || !isDetailed) {
+ return this.getSignatureType();
+ }
+ const name = this.getDataItem().name;
+ const lastIndexOfScopeDelimiter = name.lastIndexOf('.');
+ const isScopedName = !_.isUndefined(lastIndexOfScopeDelimiter) && lastIndexOfScopeDelimiter > 0;
+ const shortName = isScopedName ? name.substr((lastIndexOfScopeDelimiter as number) + 1) : name;
+ const detailedSignature = `${shortName} ${this._computeSignature(isDetailed)}`;
+ return detailedSignature;
+ }
+
+ private _computeSignature(isDetailed?: boolean): string {
// Compute signature for a single array element
const elementDataItem: DataItem = {
type: this._elementType,
- name: 'N/A',
+ name: '',
};
const elementComponents = this.getDataItem().components;
if (!_.isUndefined(elementComponents)) {
elementDataItem.components = elementComponents;
}
const elementDataType = this.getFactory().create(elementDataItem);
- const elementSignature = elementDataType.getSignature();
+ const elementSignature = elementDataType.getSignature(isDetailed);
// Construct signature for array of type `element`
if (_.isUndefined(this._arrayLength)) {
return `${elementSignature}[]`;
diff --git a/packages/utils/src/abi_encoder/evm_data_types/bool.ts b/packages/utils/src/abi_encoder/evm_data_types/bool.ts
index d713d5a94..7f91f34e6 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/bool.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/bool.ts
@@ -46,7 +46,7 @@ export class BoolDataType extends AbstractBlobDataType {
return value;
}
- public getSignature(): string {
+ public getSignatureType(): string {
return SolidityTypes.Bool;
}
/* tslint:enable prefer-function-over-method */
diff --git a/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts b/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts
index 5277efd6c..fa38b63c0 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/dynamic_bytes.ts
@@ -65,7 +65,7 @@ export class DynamicBytesDataType extends AbstractBlobDataType {
return value;
}
- public getSignature(): string {
+ public getSignatureType(): string {
return SolidityTypes.Bytes;
}
/* tslint:enable prefer-function-over-method */
diff --git a/packages/utils/src/abi_encoder/evm_data_types/int.ts b/packages/utils/src/abi_encoder/evm_data_types/int.ts
index f1dcf5ea1..8d98e195b 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/int.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/int.ts
@@ -47,13 +47,17 @@ export class IntDataType extends AbstractBlobDataType {
return encodedValue;
}
- public decodeValue(calldata: RawCalldata): BigNumber {
+ public decodeValue(calldata: RawCalldata): BigNumber | number {
const valueBuf = calldata.popWord();
const value = EncoderMath.safeDecodeNumericValue(valueBuf, this._minValue, this._maxValue);
+ const numberOfBytesInUint8 = 8;
+ if (this._width === numberOfBytesInUint8) {
+ return value.toNumber();
+ }
return value;
}
- public getSignature(): string {
+ public getSignatureType(): string {
return `${SolidityTypes.Int}${this._width}`;
}
}
diff --git a/packages/utils/src/abi_encoder/evm_data_types/method.ts b/packages/utils/src/abi_encoder/evm_data_types/method.ts
index b1cd1377f..c852a0fdf 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/method.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/method.ts
@@ -44,7 +44,20 @@ export class MethodDataType extends AbstractSetDataType {
return returnValues;
}
- public getSignature(): string {
+ public strictDecodeReturnValue<T>(returndata: string, rules?: DecodingRules): T {
+ const returnValues = this._returnDataType.decode(returndata, rules);
+ const returnValuesAsArray: any = _.isObject(returnValues) ? _.values(returnValues) : [returnValues];
+ switch (returnValuesAsArray.length) {
+ case 0:
+ return undefined as any;
+ case 1:
+ return returnValuesAsArray[0];
+ default:
+ return returnValuesAsArray;
+ }
+ }
+
+ public getSignatureType(): string {
return this._methodSignature;
}
diff --git a/packages/utils/src/abi_encoder/evm_data_types/pointer.ts b/packages/utils/src/abi_encoder/evm_data_types/pointer.ts
index 389e75927..250db7c64 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/pointer.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/pointer.ts
@@ -11,7 +11,11 @@ export class PointerDataType extends AbstractPointerDataType {
super(dataItem, dataTypeFactory, destDataType, parentDataType);
}
- public getSignature(): string {
- return this._destination.getSignature();
+ public getSignatureType(): string {
+ return this._destination.getSignature(false);
+ }
+
+ public getSignature(isDetailed?: boolean): string {
+ return this._destination.getSignature(isDetailed);
}
}
diff --git a/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts b/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts
index 2e371c505..cbf1957d7 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/static_bytes.ts
@@ -36,7 +36,7 @@ export class StaticBytesDataType extends AbstractBlobDataType {
this._width = StaticBytesDataType._decodeWidthFromType(dataItem.type);
}
- public getSignature(): string {
+ public getSignatureType(): string {
// Note that `byte` reduces to `bytes1`
return `${SolidityTypes.Bytes}${this._width}`;
}
diff --git a/packages/utils/src/abi_encoder/evm_data_types/string.ts b/packages/utils/src/abi_encoder/evm_data_types/string.ts
index 91a72ad3f..97ac46442 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/string.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/string.ts
@@ -52,7 +52,7 @@ export class StringDataType extends AbstractBlobDataType {
return value;
}
- public getSignature(): string {
+ public getSignatureType(): string {
return SolidityTypes.String;
}
/* tslint:enable prefer-function-over-method */
diff --git a/packages/utils/src/abi_encoder/evm_data_types/tuple.ts b/packages/utils/src/abi_encoder/evm_data_types/tuple.ts
index 31593c882..5000c85e8 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/tuple.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/tuple.ts
@@ -1,11 +1,10 @@
import { DataItem, SolidityTypes } from 'ethereum-types';
+import * as _ from 'lodash';
import { DataTypeFactory } from '../abstract_data_types/interfaces';
import { AbstractSetDataType } from '../abstract_data_types/types/set';
export class TupleDataType extends AbstractSetDataType {
- private readonly _signature: string;
-
public static matchType(type: string): boolean {
return type === SolidityTypes.Tuple;
}
@@ -15,10 +14,21 @@ export class TupleDataType extends AbstractSetDataType {
if (!TupleDataType.matchType(dataItem.type)) {
throw new Error(`Tried to instantiate Tuple with bad input: ${dataItem}`);
}
- this._signature = this._computeSignatureOfMembers();
}
- public getSignature(): string {
- return this._signature;
+ public getSignatureType(): string {
+ return this._computeSignatureOfMembers(false);
+ }
+
+ public getSignature(isDetailed?: boolean): string {
+ if (_.isEmpty(this.getDataItem().name) || !isDetailed) {
+ return this.getSignatureType();
+ }
+ const name = this.getDataItem().name;
+ const lastIndexOfScopeDelimiter = name.lastIndexOf('.');
+ const isScopedName = !_.isUndefined(lastIndexOfScopeDelimiter) && lastIndexOfScopeDelimiter > 0;
+ const shortName = isScopedName ? name.substr((lastIndexOfScopeDelimiter as number) + 1) : name;
+ const detailedSignature = `${shortName} ${this._computeSignatureOfMembers(isDetailed)}`;
+ return detailedSignature;
}
}
diff --git a/packages/utils/src/abi_encoder/evm_data_types/uint.ts b/packages/utils/src/abi_encoder/evm_data_types/uint.ts
index 5180f0cf3..8e382e8dc 100644
--- a/packages/utils/src/abi_encoder/evm_data_types/uint.ts
+++ b/packages/utils/src/abi_encoder/evm_data_types/uint.ts
@@ -46,13 +46,17 @@ export class UIntDataType extends AbstractBlobDataType {
return encodedValue;
}
- public decodeValue(calldata: RawCalldata): BigNumber {
+ public decodeValue(calldata: RawCalldata): BigNumber | number {
const valueBuf = calldata.popWord();
const value = EncoderMath.safeDecodeNumericValue(valueBuf, UIntDataType._MIN_VALUE, this._maxValue);
+ const numberOfBytesInUint8 = 8;
+ if (this._width === numberOfBytesInUint8) {
+ return value.toNumber();
+ }
return value;
}
- public getSignature(): string {
+ public getSignatureType(): string {
return `${SolidityTypes.Uint}${this._width}`;
}
}
diff --git a/packages/utils/src/abi_encoder/index.ts b/packages/utils/src/abi_encoder/index.ts
index baf844ac6..cfacfe075 100644
--- a/packages/utils/src/abi_encoder/index.ts
+++ b/packages/utils/src/abi_encoder/index.ts
@@ -11,4 +11,6 @@ export {
String,
Tuple,
UInt,
+ create,
} from './evm_data_type_factory';
+export { DataType } from './abstract_data_types/data_type';
diff --git a/packages/utils/src/abi_encoder/utils/constants.ts b/packages/utils/src/abi_encoder/utils/constants.ts
index 36de2dd4f..fc586f295 100644
--- a/packages/utils/src/abi_encoder/utils/constants.ts
+++ b/packages/utils/src/abi_encoder/utils/constants.ts
@@ -11,7 +11,7 @@ export const constants = {
HEX_SELECTOR_BYTE_OFFSET_IN_CALLDATA: 0,
// Disable no-object-literal-type-assertion so we can enforce cast
/* tslint:disable no-object-literal-type-assertion */
- DEFAULT_DECODING_RULES: { shouldConvertStructsToObjects: false } as DecodingRules,
+ DEFAULT_DECODING_RULES: { shouldConvertStructsToObjects: true } as DecodingRules,
DEFAULT_ENCODING_RULES: { shouldOptimize: true, shouldAnnotate: false } as EncodingRules,
/* tslint:enable no-object-literal-type-assertion */
};
diff --git a/packages/utils/src/abi_encoder/utils/signature_parser.ts b/packages/utils/src/abi_encoder/utils/signature_parser.ts
new file mode 100644
index 000000000..315784cea
--- /dev/null
+++ b/packages/utils/src/abi_encoder/utils/signature_parser.ts
@@ -0,0 +1,101 @@
+import { DataItem } from 'ethereum-types';
+import * as _ from 'lodash';
+
+/**
+ * Returns an array of DataItem's corresponding to the input signature.
+ * A signature can be in two forms: '<DataItem.type>' or '(<DataItem1.type>, <DataItem2.type>, ...)
+ * An example of the first form would be 'address' or 'uint256'
+ * An example of the second form would be '(address, uint256)'
+ * Signatures can also include a name field, for example: 'foo address' or '(foo address, bar uint256)'
+ * @param signature of input DataItems
+ * @return DataItems derived from input signature
+ */
+export function generateDataItemsFromSignature(signature: string): DataItem[] {
+ let trimmedSignature = signature;
+ if (signature.startsWith('(')) {
+ if (!signature.endsWith(')')) {
+ throw new Error(`Failed to generate data item. Must end with ')'`);
+ }
+ trimmedSignature = signature.substr(1, signature.length - 2);
+ }
+ trimmedSignature += ',';
+ let isCurrTokenArray = false;
+ let currTokenArrayModifier = '';
+ let isParsingArrayModifier = false;
+ let currToken = '';
+ let parenCount = 0;
+ let currTokenName = '';
+ const dataItems: DataItem[] = [];
+ for (const char of trimmedSignature) {
+ // Tokenize the type string while keeping track of parentheses.
+ switch (char) {
+ case '(':
+ parenCount += 1;
+ currToken += char;
+ break;
+ case ')':
+ parenCount -= 1;
+ currToken += char;
+ break;
+ case '[':
+ if (parenCount === 0) {
+ isParsingArrayModifier = true;
+ isCurrTokenArray = true;
+ currTokenArrayModifier += '[';
+ } else {
+ currToken += char;
+ }
+ break;
+ case ']':
+ if (parenCount === 0) {
+ isParsingArrayModifier = false;
+ currTokenArrayModifier += ']';
+ } else {
+ currToken += char;
+ }
+ break;
+ case ' ':
+ if (parenCount === 0) {
+ currTokenName = currToken;
+ currToken = '';
+ } else {
+ currToken += char;
+ }
+ break;
+ case ',':
+ if (parenCount === 0) {
+ // Generate new DataItem from token
+ const components = currToken.startsWith('(') ? generateDataItemsFromSignature(currToken) : [];
+ const isTuple = !_.isEmpty(components);
+ const dataItem: DataItem = { name: currTokenName, type: '' };
+ if (isTuple) {
+ dataItem.type = 'tuple';
+ dataItem.components = components;
+ } else {
+ dataItem.type = currToken;
+ }
+ if (isCurrTokenArray) {
+ dataItem.type += currTokenArrayModifier;
+ }
+ dataItems.push(dataItem);
+ // reset token state
+ currTokenName = '';
+ currToken = '';
+ isCurrTokenArray = false;
+ currTokenArrayModifier = '';
+ break;
+ } else {
+ currToken += char;
+ break;
+ }
+ default:
+ if (isParsingArrayModifier) {
+ currTokenArrayModifier += char;
+ } else {
+ currToken += char;
+ }
+ break;
+ }
+ }
+ return dataItems;
+}