92 lines
3.1 KiB
JavaScript
92 lines
3.1 KiB
JavaScript
function nodeBranchToArray(node, nodeType) {
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/*
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This function scans a node branch for a certain node type and
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return an array of with all the nodes of that type found.
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*/
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let resultArray = []
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scanNodeBranch(node, nodeType)
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return resultArray
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function scanNodeBranch(startingNode) {
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let nodeDefinition = APP_SCHEMA_MAP.get(startingNode.type)
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if (nodeDefinition === undefined) { return }
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if (startingNode.type === nodeType) {
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resultArray.push(startingNode)
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return
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}
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if (nodeDefinition.properties === undefined) { return }
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for (let i = 0; i < nodeDefinition.properties.length; i++) {
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let property = nodeDefinition.properties[i]
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switch (property.type) {
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case 'node': {
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scanNodeBranch(startingNode[property.name])
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}
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break
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case 'array': {
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let startingNodePropertyArray = startingNode[property.name]
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for (let m = 0; m < startingNodePropertyArray.length; m++) {
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scanNodeBranch(startingNodePropertyArray[m])
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}
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break
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}
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}
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}
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}
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}
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function findNodeInNodeBranch(node, nodeType) {
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/*
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This function scans a node branch for a certain node type and
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returns the first instance found.
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*/
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let nodeFound
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scanNodeBranch(node, nodeType)
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return nodeFound
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function scanNodeBranch(startingNode) {
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if (startingNode === undefined) { return }
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if (nodeFound !== undefined) { return }
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let nodeDefinition = APP_SCHEMA_MAP.get(startingNode.type)
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if (nodeDefinition === undefined) { return }
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if (startingNode.type === nodeType) {
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nodeFound = startingNode
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return
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}
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/* We scan through this node children */
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if (nodeDefinition.properties !== undefined) {
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for (let i = 0; i < nodeDefinition.properties.length; i++) {
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let property = nodeDefinition.properties[i]
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switch (property.type) {
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case 'node': {
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scanNodeBranch(startingNode[property.name])
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}
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break
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case 'array': {
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let startingNodePropertyArray = startingNode[property.name]
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if (startingNodePropertyArray !== undefined) {
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for (let m = 0; m < startingNodePropertyArray.length; m++) {
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scanNodeBranch(startingNodePropertyArray[m])
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}
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}
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break
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}
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}
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}
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}
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/* We scan parents nodes. */
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if (startingNode.parentNode !== undefined) {
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scanNodeBranch(startingNode.parentNode)
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}
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/* We scan reference parents too. */
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if (startingNode.referenceParent !== undefined) {
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scanNodeBranch(startingNode.referenceParent)
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}
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}
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} |