44 lines
1.4 KiB
JavaScript
44 lines
1.4 KiB
JavaScript
exports.readRelationships = readRelationships;
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exports.defaultValue = new Relationships([]);
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exports.Relationships = Relationships;
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function readRelationships(element) {
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var relationships = [];
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element.children.forEach(function(child) {
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if (child.name === "relationships:Relationship") {
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var relationship = {
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relationshipId: child.attributes.Id,
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target: child.attributes.Target,
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type: child.attributes.Type
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};
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relationships.push(relationship);
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}
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});
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return new Relationships(relationships);
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}
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function Relationships(relationships) {
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var targetsByRelationshipId = Object.create(null);
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relationships.forEach(function(relationship) {
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targetsByRelationshipId[relationship.relationshipId] = relationship.target;
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});
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var targetsByType = Object.create(null);
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relationships.forEach(function(relationship) {
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if (!targetsByType[relationship.type]) {
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targetsByType[relationship.type] = [];
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}
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targetsByType[relationship.type].push(relationship.target);
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});
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return {
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findTargetByRelationshipId: function(relationshipId) {
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return targetsByRelationshipId[relationshipId];
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},
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findTargetsByType: function(type) {
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return targetsByType[type] || [];
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}
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};
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}
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