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/** * @license * Copyright Google Inc. All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ export class Text { constructor(value, sourceSpan) { this.value = value; this.sourceSpan = sourceSpan; } visit(visitor) { return visitor.visitText(this); } } export class BoundText { constructor(value, sourceSpan) { this.value = value; this.sourceSpan = sourceSpan; } visit(visitor) { return visitor.visitBoundText(this); } } export class TextAttribute { constructor(name, value, sourceSpan, valueSpan) { this.name = name; this.value = value; this.sourceSpan = sourceSpan; this.valueSpan = valueSpan; } visit(visitor) { return visitor.visitTextAttribute(this); } } export class BoundAttribute { constructor(name, type, securityContext, value, unit, sourceSpan) { this.name = name; this.type = type; this.securityContext = securityContext; this.value = value; this.unit = unit; this.sourceSpan = sourceSpan; } static fromBoundElementProperty(prop) { return new BoundAttribute(prop.name, prop.type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan); } visit(visitor) { return visitor.visitBoundAttribute(this); } } export class BoundEvent { constructor(name, handler, target, phase, sourceSpan) { this.name = name; this.handler = handler; this.target = target; this.phase = phase; this.sourceSpan = sourceSpan; } static fromParsedEvent(event) { const target = event.type === 0 /* Regular */ ? event.targetOrPhase : null; const phase = event.type === 1 /* Animation */ ? event.targetOrPhase : null; return new BoundEvent(event.name, event.handler, target, phase, event.sourceSpan); } visit(visitor) { return visitor.visitBoundEvent(this); } } export class Element { constructor(name, attributes, inputs, outputs, children, references, sourceSpan, startSourceSpan, endSourceSpan) { this.name = name; this.attributes = attributes; this.inputs = inputs; this.outputs = outputs; this.children = children; this.references = references; this.sourceSpan = sourceSpan; this.startSourceSpan = startSourceSpan; this.endSourceSpan = endSourceSpan; } visit(visitor) { return visitor.visitElement(this); } } export class Template { constructor(attributes, inputs, children, references, variables, sourceSpan, startSourceSpan, endSourceSpan) { this.attributes = attributes; this.inputs = inputs; this.children = children; this.references = references; this.variables = variables; this.sourceSpan = sourceSpan; this.startSourceSpan = startSourceSpan; this.endSourceSpan = endSourceSpan; } visit(visitor) { return visitor.visitTemplate(this); } } export class Content { constructor(selectorIndex, attributes, sourceSpan) { this.selectorIndex = selectorIndex; this.attributes = attributes; this.sourceSpan = sourceSpan; } visit(visitor) { return visitor.visitContent(this); } } export class Variable { constructor(name, value, sourceSpan) { this.name = name; this.value = value; this.sourceSpan = sourceSpan; } visit(visitor) { return visitor.visitVariable(this); } } export class Reference { constructor(name, value, sourceSpan) { this.name = name; this.value = value; this.sourceSpan = sourceSpan; } visit(visitor) { return visitor.visitReference(this); } } export class NullVisitor { visitElement(element) { } visitTemplate(template) { } visitContent(content) { } visitVariable(variable) { } visitReference(reference) { } visitTextAttribute(attribute) { } visitBoundAttribute(attribute) { } visitBoundEvent(attribute) { } visitText(text) { } visitBoundText(text) { } } export class RecursiveVisitor { visitElement(element) { visitAll(this, element.attributes); visitAll(this, element.children); visitAll(this, element.references); } visitTemplate(template) { visitAll(this, template.attributes); visitAll(this, template.children); visitAll(this, template.references); visitAll(this, template.variables); } visitContent(content) { } visitVariable(variable) { } visitReference(reference) { } visitTextAttribute(attribute) { } visitBoundAttribute(attribute) { } visitBoundEvent(attribute) { } visitText(text) { } visitBoundText(text) { } } export class TransformVisitor { visitElement(element) { const newAttributes = transformAll(this, element.attributes); const newInputs = transformAll(this, element.inputs); const newOutputs = transformAll(this, element.outputs); const newChildren = transformAll(this, element.children); const newReferences = transformAll(this, element.references); if (newAttributes != element.attributes || newInputs != element.inputs || newOutputs != element.outputs || newChildren != element.children || newReferences != element.references) { return new Element(element.name, newAttributes, newInputs, newOutputs, newChildren, newReferences, element.sourceSpan, element.startSourceSpan, element.endSourceSpan); } return element; } visitTemplate(template) { const newAttributes = transformAll(this, template.attributes); const newInputs = transformAll(this, template.inputs); const newChildren = transformAll(this, template.children); const newReferences = transformAll(this, template.references); const newVariables = transformAll(this, template.variables); if (newAttributes != template.attributes || newInputs != template.inputs || newChildren != template.children || newVariables != template.variables || newReferences != template.references) { return new Template(newAttributes, newInputs, newChildren, newReferences, newVariables, template.sourceSpan, template.startSourceSpan, template.endSourceSpan); } return template; } visitContent(content) { return content; } visitVariable(variable) { return variable; } visitReference(reference) { return reference; } visitTextAttribute(attribute) { return attribute; } visitBoundAttribute(attribute) { return attribute; } visitBoundEvent(attribute) { return attribute; } visitText(text) { return text; } visitBoundText(text) { return text; } } export function visitAll(visitor, nodes) { const result = []; if (visitor.visit) { for (const node of nodes) { const newNode = visitor.visit(node) || node.visit(visitor); } } else { for (const node of nodes) { const newNode = node.visit(visitor); if (newNode) { result.push(newNode); } } } return result; } export function transformAll(visitor, nodes) { const result = []; let changed = false; for (const node of nodes) { const newNode = node.visit(visitor); if (newNode) { result.push(newNode); } changed = changed || newNode != node; } return changed ? result : nodes; } //# 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* @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {SecurityContext} from '../core';\nimport {AST, BindingType, BoundElementProperty, ParsedEvent, ParsedEventType} from '../expression_parser/ast';\nimport {ParseSourceSpan} from '../parse_util';\n\nexport interface Node {\n  sourceSpan: ParseSourceSpan;\n  visit<Result>(visitor: Visitor<Result>): Result;\n}\n\nexport class Text implements Node {\n  constructor(public value: string, public sourceSpan: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitText(this); }\n}\n\nexport class BoundText implements Node {\n  constructor(public value: AST, public sourceSpan: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitBoundText(this); }\n}\n\nexport class TextAttribute implements Node {\n  constructor(\n      public name: string, public value: string, public sourceSpan: ParseSourceSpan,\n      public valueSpan?: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitTextAttribute(this); }\n}\n\nexport class BoundAttribute implements Node {\n  constructor(\n      public name: string, public type: BindingType, public securityContext: SecurityContext,\n      public value: AST, public unit: string|null, public sourceSpan: ParseSourceSpan) {}\n\n  static fromBoundElementProperty(prop: BoundElementProperty) {\n    return new BoundAttribute(\n        prop.name, prop.type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan);\n  }\n\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitBoundAttribute(this); }\n}\n\nexport class BoundEvent implements Node {\n  constructor(\n      public name: string, public handler: AST, public target: string|null,\n      public phase: string|null, public sourceSpan: ParseSourceSpan) {}\n\n  static fromParsedEvent(event: ParsedEvent) {\n    const target: string|null = event.type === ParsedEventType.Regular ? event.targetOrPhase : null;\n    const phase: string|null =\n        event.type === ParsedEventType.Animation ? event.targetOrPhase : null;\n    return new BoundEvent(event.name, event.handler, target, phase, event.sourceSpan);\n  }\n\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitBoundEvent(this); }\n}\n\nexport class Element implements Node {\n  constructor(\n      public name: string, public attributes: TextAttribute[], public inputs: BoundAttribute[],\n      public outputs: BoundEvent[], public children: Node[], public references: Reference[],\n      public sourceSpan: ParseSourceSpan, public startSourceSpan: ParseSourceSpan|null,\n      public endSourceSpan: ParseSourceSpan|null) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitElement(this); }\n}\n\nexport class Template implements Node {\n  constructor(\n      public attributes: TextAttribute[], public inputs: BoundAttribute[], public children: Node[],\n      public references: Reference[], public variables: Variable[],\n      public sourceSpan: ParseSourceSpan, public startSourceSpan: ParseSourceSpan|null,\n      public endSourceSpan: ParseSourceSpan|null) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitTemplate(this); }\n}\n\nexport class Content implements Node {\n  constructor(\n      public selectorIndex: number, public attributes: TextAttribute[],\n      public sourceSpan: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitContent(this); }\n}\n\nexport class Variable implements Node {\n  constructor(public name: string, public value: string, public sourceSpan: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitVariable(this); }\n}\n\nexport class Reference implements Node {\n  constructor(public name: string, public value: string, public sourceSpan: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result { return visitor.visitReference(this); }\n}\n\nexport interface Visitor<Result = any> {\n  // Returning a truthy value from `visit()` will prevent `visitAll()` from the call to the typed\n  // method and result returned will become the result included in `visitAll()`s result array.\n  visit?(node: Node): Result;\n\n  visitElement(element: Element): Result;\n  visitTemplate(template: Template): Result;\n  visitContent(content: Content): Result;\n  visitVariable(variable: Variable): Result;\n  visitReference(reference: Reference): Result;\n  visitTextAttribute(attribute: TextAttribute): Result;\n  visitBoundAttribute(attribute: BoundAttribute): Result;\n  visitBoundEvent(attribute: BoundEvent): Result;\n  visitText(text: Text): Result;\n  visitBoundText(text: BoundText): Result;\n}\n\nexport class NullVisitor implements Visitor<void> {\n  visitElement(element: Element): void {}\n  visitTemplate(template: Template): void {}\n  visitContent(content: Content): void {}\n  visitVariable(variable: Variable): void {}\n  visitReference(reference: Reference): void {}\n  visitTextAttribute(attribute: TextAttribute): void {}\n  visitBoundAttribute(attribute: BoundAttribute): void {}\n  visitBoundEvent(attribute: BoundEvent): void {}\n  visitText(text: Text): void {}\n  visitBoundText(text: BoundText): void {}\n}\n\nexport class RecursiveVisitor implements Visitor<void> {\n  visitElement(element: Element): void {\n    visitAll(this, element.attributes);\n    visitAll(this, element.children);\n    visitAll(this, element.references);\n  }\n  visitTemplate(template: Template): void {\n    visitAll(this, template.attributes);\n    visitAll(this, template.children);\n    visitAll(this, template.references);\n    visitAll(this, template.variables);\n  }\n  visitContent(content: Content): void {}\n  visitVariable(variable: Variable): void {}\n  visitReference(reference: Reference): void {}\n  visitTextAttribute(attribute: TextAttribute): void {}\n  visitBoundAttribute(attribute: BoundAttribute): void {}\n  visitBoundEvent(attribute: BoundEvent): void {}\n  visitText(text: Text): void {}\n  visitBoundText(text: BoundText): void {}\n}\n\nexport class TransformVisitor implements Visitor<Node> {\n  visitElement(element: Element): Node {\n    const newAttributes = transformAll(this, element.attributes);\n    const newInputs = transformAll(this, element.inputs);\n    const newOutputs = transformAll(this, element.outputs);\n    const newChildren = transformAll(this, element.children);\n    const newReferences = transformAll(this, element.references);\n    if (newAttributes != element.attributes || newInputs != element.inputs ||\n        newOutputs != element.outputs || newChildren != element.children ||\n        newReferences != element.references) {\n      return new Element(\n          element.name, newAttributes, newInputs, newOutputs, newChildren, newReferences,\n          element.sourceSpan, element.startSourceSpan, element.endSourceSpan);\n    }\n    return element;\n  }\n\n  visitTemplate(template: Template): Node {\n    const newAttributes = transformAll(this, template.attributes);\n    const newInputs = transformAll(this, template.inputs);\n    const newChildren = transformAll(this, template.children);\n    const newReferences = transformAll(this, template.references);\n    const newVariables = transformAll(this, template.variables);\n    if (newAttributes != template.attributes || newInputs != template.inputs ||\n        newChildren != template.children || newVariables != template.variables ||\n        newReferences != template.references) {\n      return new Template(\n          newAttributes, newInputs, newChildren, newReferences, newVariables, template.sourceSpan,\n          template.startSourceSpan, template.endSourceSpan);\n    }\n    return template;\n  }\n\n  visitContent(content: Content): Node { return content; }\n\n  visitVariable(variable: Variable): Node { return variable; }\n  visitReference(reference: Reference): Node { return reference; }\n  visitTextAttribute(attribute: TextAttribute): Node { return attribute; }\n  visitBoundAttribute(attribute: BoundAttribute): Node { return attribute; }\n  visitBoundEvent(attribute: BoundEvent): Node { return attribute; }\n  visitText(text: Text): Node { return text; }\n  visitBoundText(text: BoundText): Node { return text; }\n}\n\nexport function visitAll<Result>(visitor: Visitor<Result>, nodes: Node[]): Result[] {\n  const result: Result[] = [];\n  if (visitor.visit) {\n    for (const node of nodes) {\n      const newNode = visitor.visit(node) || node.visit(visitor);\n    }\n  } else {\n    for (const node of nodes) {\n      const newNode = node.visit(visitor);\n      if (newNode) {\n        result.push(newNode);\n      }\n    }\n  }\n  return result;\n}\n\nexport function transformAll<Result extends Node>(\n    visitor: Visitor<Node>, nodes: Result[]): Result[] {\n  const result: Result[] = [];\n  let changed = false;\n  for (const node of nodes) {\n    const newNode = node.visit(visitor);\n    if (newNode) {\n      result.push(newNode as Result);\n    }\n    changed = changed || newNode != node;\n  }\n  return changed ? result : nodes;\n}"]}