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import { FLOWABLE_ATTRIBUTE_KEYS } from '../types';
import { getElementChildren, getLocalName } from './xmlUtils';
function compareStrings(left: string, right: string): number {
return left.localeCompare(right);
}
const editableActivitiAttributes = new Set(FLOWABLE_ATTRIBUTE_KEYS.map((key) => `activiti:${key}`));
const overlayManagedChildNames = new Set([
'extensionElements',
'documentation',
'conditionExpression',
'script',
'multiInstanceLoopCharacteristics',
]);
function buildComparableNodeSignature(node: XmlNode, ignoreElementId = false, structuralOnly = false): string {
if (node.nodeType === node.ELEMENT_NODE) {
const element = node as XmlElement;
const attributes = Array.from(element.attributes)
.filter((attribute) => attribute.name !== 'xmlns' && !attribute.name.startsWith('xmlns:'))
.filter((attribute) => !(structuralOnly && editableActivitiAttributes.has(attribute.name)))
.filter((attribute) => !(ignoreElementId && attribute.name === 'id'))
.map((attribute) => `${attribute.name}=${attribute.value}`)
.sort(compareStrings)
.join('|');
const children = Array.from(element.childNodes)
.filter((child) => {
if (!structuralOnly || child.nodeType !== child.ELEMENT_NODE) {
return true;
}
return !overlayManagedChildNames.has(getLocalName(child as XmlElement));
})
.map((child) => buildComparableNodeSignature(child, false, structuralOnly))
.filter((signature) => signature.length > 0)
.join('|');
return `element:${element.namespaceURI || ''}:${getLocalName(element)}:[${attributes}]:[${children}]`;
}
Eif (node.nodeType === node.TEXT_NODE || node.nodeType === node.CDATA_SECTION_NODE) {
const value = node.nodeValue || '';
if (value.trim().length === 0) {
return '';
}
return `text:${value}`;
}
return '';
}
function buildProcessStructureKey(processElement: XmlElement): string {
return buildComparableNodeSignature(processElement, true);
}
function buildElementStructureKey(element: XmlElement): string {
return buildComparableNodeSignature(element, true, true);
}
function getProcessElements(definitions: XmlElement): XmlElement[] {
return getElementChildren(definitions)
.filter((child) => getLocalName(child) === 'process')
.filter((child) => Boolean(child.getAttribute('id')));
}
function getUnmatchedProcesses(processes: XmlElement[], matchedIds: Set<string>): XmlElement[] {
return processes.filter((processElement) => !matchedIds.has(processElement.getAttribute('id') || ''));
}
function groupProcessesByStructure(processes: XmlElement[]): Map<string, XmlElement[]> {
const processesByStructure = new Map<string, XmlElement[]>();
for (const processElement of processes) {
const structureKey = buildProcessStructureKey(processElement);
Iif (!structureKey) {
continue;
}
const bucket = processesByStructure.get(structureKey) || [];
bucket.push(processElement);
processesByStructure.set(structureKey, bucket);
}
return processesByStructure;
}
function addDirectProcessMatches(
originalProcesses: XmlElement[],
serializedById: Map<string, XmlElement>,
matchedOriginalIds: Set<string>,
matchedSerializedIds: Set<string>,
): void {
for (const processElement of originalProcesses) {
const processId = processElement.getAttribute('id') || '';
if (serializedById.has(processId)) {
matchedOriginalIds.add(processId);
matchedSerializedIds.add(processId);
}
}
}
function addStructureBasedProcessMatches(
renameMap: Map<string, string>,
originalProcesses: XmlElement[],
serializedProcesses: XmlElement[],
matchedOriginalIds: Set<string>,
matchedSerializedIds: Set<string>,
): void {
const originalByStructure = groupProcessesByStructure(originalProcesses);
const serializedByStructure = groupProcessesByStructure(serializedProcesses);
for (const [structureKey, originalMatches] of originalByStructure.entries()) {
const serializedMatches = serializedByStructure.get(structureKey);
if (!serializedMatches || originalMatches.length !== 1 || serializedMatches.length !== 1) {
continue;
}
const originalId = originalMatches[0].getAttribute('id') || '';
const serializedId = serializedMatches[0].getAttribute('id') || '';
if (originalId && serializedId && originalId !== serializedId) {
renameMap.set(originalId, serializedId);
matchedOriginalIds.add(originalId);
matchedSerializedIds.add(serializedId);
}
}
}
function addDescendantBasedProcessMatches(
renameMap: Map<string, string>,
originalProcesses: XmlElement[],
serializedProcesses: XmlElement[],
): void {
const descendantIdRenameMatches = findUniqueBestBidirectionalMatches(
originalProcesses,
serializedProcesses,
(processElement) => processElement.getAttribute('id') || '',
(processElement) => processElement.getAttribute('id') || '',
(leftProcess, rightProcess) => countSharedSetValues(
collectDescendantElementIds(leftProcess),
collectDescendantElementIds(rightProcess),
),
);
for (const [originalId, serializedId] of descendantIdRenameMatches.entries()) {
Eif (originalId !== serializedId) {
renameMap.set(originalId, serializedId);
}
}
}
function getRemainingProcessSets(
originalProcesses: XmlElement[],
serializedProcesses: XmlElement[],
matchedOriginalIds: Set<string>,
matchedSerializedIds: Set<string>,
): { originalProcesses: XmlElement[]; serializedProcesses: XmlElement[] } {
return {
originalProcesses: getUnmatchedProcesses(originalProcesses, matchedOriginalIds),
serializedProcesses: getUnmatchedProcesses(serializedProcesses, matchedSerializedIds),
};
}
function buildProcessIdRenameMapForDefinitions(
originalDefinitions: XmlElement,
serializedDefinitions: XmlElement,
): Map<string, string> {
const originalProcesses = getProcessElements(originalDefinitions);
const serializedProcesses = getProcessElements(serializedDefinitions);
const serializedById = new Map(
serializedProcesses.map((processElement) => [processElement.getAttribute('id') || '', processElement] as const),
);
const matchedOriginalIds = new Set<string>();
const matchedSerializedIds = new Set<string>();
const renameMap = new Map<string, string>();
addDirectProcessMatches(originalProcesses, serializedById, matchedOriginalIds, matchedSerializedIds);
const structureCandidates = getRemainingProcessSets(
originalProcesses,
serializedProcesses,
matchedOriginalIds,
matchedSerializedIds,
);
addStructureBasedProcessMatches(
renameMap,
structureCandidates.originalProcesses,
structureCandidates.serializedProcesses,
matchedOriginalIds,
matchedSerializedIds,
);
const descendantCandidates = getRemainingProcessSets(
originalProcesses,
serializedProcesses,
matchedOriginalIds,
matchedSerializedIds,
);
addDescendantBasedProcessMatches(
renameMap,
descendantCandidates.originalProcesses,
descendantCandidates.serializedProcesses,
);
return renameMap;
}
function collectDescendantElementIds(element: XmlElement): Set<string> {
const descendantIds = new Set<string>();
const queue = [...getElementChildren(element)];
while (queue.length > 0) {
const [current] = queue.splice(0, 1);
const id = current.getAttribute('id');
if (id) {
descendantIds.add(id);
}
queue.push(...getElementChildren(current));
}
return descendantIds;
}
function countSharedSetValues(left: Set<string>, right: Set<string>): number {
let sharedCount = 0;
for (const value of left) {
if (right.has(value)) {
sharedCount += 1;
}
}
return sharedCount;
}
function findUniqueBestBidirectionalMatches<T, U>(
leftItems: T[],
rightItems: U[],
getLeftId: (item: T) => string,
getRightId: (item: U) => string,
getScore: (left: T, right: U) => number,
): Map<string, string> {
const leftCandidates = new Map<string, Array<{ id: string; score: number }>>();
const rightCandidates = new Map<string, Array<{ id: string; score: number }>>();
for (const leftItem of leftItems) {
const leftId = getLeftId(leftItem);
for (const rightItem of rightItems) {
const rightId = getRightId(rightItem);
const score = getScore(leftItem, rightItem);
if (score <= 0) {
continue;
}
const leftBucket = leftCandidates.get(leftId) || [];
leftBucket.push({ id: rightId, score });
leftCandidates.set(leftId, leftBucket);
const rightBucket = rightCandidates.get(rightId) || [];
rightBucket.push({ id: leftId, score });
rightCandidates.set(rightId, rightBucket);
}
}
const selectUniqueBestMatch = (candidates: Array<{ id: string; score: number }> | undefined): string | undefined => {
Iif (!candidates || candidates.length === 0) {
return undefined;
}
const sortedCandidates = [...candidates].sort((left, right) => right.score - left.score);
Iif (sortedCandidates.length > 1 && sortedCandidates[0].score === sortedCandidates[1].score) {
return undefined;
}
return sortedCandidates[0].id;
};
const matches = new Map<string, string>();
for (const [leftId, candidates] of leftCandidates.entries()) {
const rightId = selectUniqueBestMatch(candidates);
Iif (!rightId) {
continue;
}
const reverseMatch = selectUniqueBestMatch(rightCandidates.get(rightId));
Eif (reverseMatch === leftId) {
matches.set(leftId, rightId);
}
}
return matches;
}
export function buildProcessIdRenameMap(originalDocument: XmlDocument, serializedDocument: XmlDocument): Map<string, string> {
const originalDefinitions = originalDocument.documentElement;
const serializedDefinitions = serializedDocument.documentElement;
Iif (!originalDefinitions || !serializedDefinitions) {
return new Map();
}
return buildProcessIdRenameMapForDefinitions(originalDefinitions, serializedDefinitions);
}
export function buildElementIdRenameMap(originalDocument: XmlDocument, serializedDocument: XmlDocument): Map<string, string> {
const originalElements = Array.from(originalDocument.getElementsByTagName('*'))
.filter((element) => getLocalName(element) !== 'process')
.filter((element) => Boolean(element.getAttribute('id')));
const serializedElements = Array.from(serializedDocument.getElementsByTagName('*'))
.filter((element) => getLocalName(element) !== 'process')
.filter((element) => Boolean(element.getAttribute('id')));
const serializedById = new Map(
serializedElements.map((element) => [element.getAttribute('id') || '', element] as const),
);
const unmatchedOriginalElements = originalElements.filter((element) => !serializedById.has(element.getAttribute('id') || ''));
const originalByStructure = new Map<string, XmlElement[]>();
for (const element of unmatchedOriginalElements) {
const structureKey = buildElementStructureKey(element);
Iif (!structureKey) {
continue;
}
const bucket = originalByStructure.get(structureKey) || [];
bucket.push(element);
originalByStructure.set(structureKey, bucket);
}
const originalById = new Map(originalElements.map((element) => [element.getAttribute('id') || '', element] as const));
const unmatchedSerializedElements = serializedElements.filter((element) => !originalById.has(element.getAttribute('id') || ''));
const serializedByStructure = new Map<string, XmlElement[]>();
for (const element of unmatchedSerializedElements) {
const structureKey = buildElementStructureKey(element);
Iif (!structureKey) {
continue;
}
const bucket = serializedByStructure.get(structureKey) || [];
bucket.push(element);
serializedByStructure.set(structureKey, bucket);
}
const renameMap = new Map<string, string>();
for (const [structureKey, originalMatches] of originalByStructure.entries()) {
const serializedMatches = serializedByStructure.get(structureKey);
if (!serializedMatches || originalMatches.length !== 1 || serializedMatches.length !== 1) {
continue;
}
const originalId = originalMatches[0].getAttribute('id') || '';
const serializedId = serializedMatches[0].getAttribute('id') || '';
if (originalId && serializedId && originalId !== serializedId) {
renameMap.set(originalId, serializedId);
}
}
return renameMap;
}
export function remapProcessScopedItems<T extends { processId?: string }>(items: T[], processIdRenameMap: Map<string, string>): T[] {
return items.map((item) => {
if (!item.processId) {
return { ...item };
}
const nextProcessId = processIdRenameMap.get(item.processId);
if (!nextProcessId || nextProcessId === item.processId) {
return { ...item };
}
return {
...item,
processId: nextProcessId,
};
});
} |