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This commit also moves some shared code to a common class. Issue: #85
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| import { Position } from "vscode"; | ||
| import { DOMParser } from "xmldom"; | ||
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| export class XmlTraverser { | ||
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| constructor(private _xmlDocument: Document) { } | ||
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| get xmlDocument(): Document { | ||
| return this._xmlDocument; | ||
| } | ||
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| set xmlDocument(value: Document) { | ||
| this._xmlDocument = value; | ||
| } | ||
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| getChildAttributeArray(node: Element): any[] { | ||
| if (!node.attributes) { | ||
| return []; | ||
| } | ||
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| const array = new Array<any>(); | ||
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| for (let i = 0; i < node.attributes.length; i++) { | ||
| array.push(node.attributes[i]); | ||
| } | ||
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| return array; | ||
| } | ||
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| getChildElementArray(node: Node): any[] { | ||
| if (!node.childNodes) { | ||
| return []; | ||
| } | ||
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| const array = new Array<any>(); | ||
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| for (let i = 0; i < node.childNodes.length; i++) { | ||
| const child = node.childNodes[i]; | ||
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| if (this.isElement(child)) { | ||
| array.push(child); | ||
| } | ||
| } | ||
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| return array; | ||
| } | ||
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| getElementAtPosition(position: Position): Element { | ||
| const node = this.getNodeAtPosition(position); | ||
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| return this.getNearestElementAncestor(node); | ||
| } | ||
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| getNearestElementAncestor(node: Node): Element { | ||
| if (!this.isElement) { | ||
| return this.getNearestElementAncestor(node.parentNode); | ||
| } | ||
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| return <Element>node; | ||
| } | ||
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| getNodeAtPosition(position: Position): Node { | ||
| return this._getNodeAtPositionCore(position, this._xmlDocument.documentElement); | ||
| } | ||
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| getSiblings(node: Node): Node[] { | ||
| return [...this.getChildAttributeArray(<Element>node.parentNode), ...this.getChildElementArray(node.parentNode)]; | ||
| } | ||
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| hasSimilarSiblings(node: Node): boolean { | ||
| if (!node || !node.parentNode || !this.isElement(node)) { | ||
| return false; | ||
| } | ||
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| const siblings = this.getChildElementArray(<Element>node.parentNode); | ||
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| return (siblings.filter(x => x.tagName === (node as Element).tagName).length > 1); | ||
| } | ||
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| isElement(node: Node): boolean { | ||
| return (!!node && !!(node as Element).tagName); | ||
| } | ||
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| private _getNodeAtPositionCore(position: Position, contextNode: Node): Node { | ||
| if (!contextNode) { | ||
| return undefined; | ||
| } | ||
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| const lineNumber = (contextNode as any).lineNumber; | ||
| const columnNumber = (contextNode as any).columnNumber; | ||
| const columnRange = [columnNumber, (columnNumber + (this._getNodeWidthInCharacters(contextNode) - 1))]; | ||
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| // for some reason, xmldom sets the column number for attributes to the "=" | ||
| if (!this.isElement(contextNode)) { | ||
| columnRange[0] = (columnRange[0] - contextNode.nodeName.length); | ||
| } | ||
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| if (lineNumber === (position.line + 1) && ((position.character + 1) >= columnRange[0] && (position.character + 1) < columnRange[1])) { | ||
| return contextNode; | ||
| } | ||
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| if (this.isElement(contextNode)) { | ||
| const children = [...this.getChildAttributeArray(<Element>contextNode), ...this.getChildElementArray(contextNode)]; | ||
| let result: Node; | ||
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| for (let i = 0; i < children.length; i++) { | ||
| const child = children[i]; | ||
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| result = this._getNodeAtPositionCore(position, child); | ||
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| if (result) { | ||
| return result; | ||
| } | ||
| } | ||
| } | ||
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| return undefined; | ||
| } | ||
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| private _getNodeWidthInCharacters(node: Node) { | ||
| if (this.isElement(node)) { | ||
| return (node.nodeName.length + 2); | ||
| } | ||
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| else { | ||
| return (node.nodeName.length + node.nodeValue.length + 3); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| import { window } from "vscode"; | ||
| import { TextEditor, TextEditorEdit } from "vscode"; | ||
| import { DOMParser } from "xmldom"; | ||
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| import { XPathBuilder } from "../xpath-builder"; | ||
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| export function getCurrentXPath(editor: TextEditor, edit: TextEditorEdit): void { | ||
| if (!editor.selection) { | ||
| window.showInformationMessage("Please put your cursor in an element or attribute name."); | ||
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| return; | ||
| } | ||
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| const document = new DOMParser().parseFromString(editor.document.getText()); | ||
| const xpath = new XPathBuilder(document).build(editor.selection.start); | ||
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| window.showInputBox({ | ||
| value: xpath, | ||
| valueSelection: undefined | ||
| }); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,2 @@ | ||
| export * from "./evaluateXPath"; | ||
| export * from "./getCurrentXPath"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,2 @@ | ||
| export * from "./xpath-builder"; | ||
| export * from "./xpath-evaluator"; |
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