angular-xml-editor
Version:
XML editor component for Angular
183 lines (182 loc) • 19.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { XmlCursorPos, XMLCursorPositions } from '../cursor/xmlCursorPos.class';
import { XmlRuleAttribut } from './xmlRuleAttribut.class';
import { Xml2html } from '../xml-html-converter/xml2html.class';
export class XmlEditRuleCheckAttributes {
/**
* @param {?} xmlSchema
*/
constructor(xmlSchema) {
this.xmlSchema = xmlSchema;
}
/**
* @param {?} cursorPosToCheck
* @return {?}
*/
AttributesAllowedAtThisCursorPos(cursorPosToCheck) {
if (!cursorPosToCheck) {
return [];
}
/** @type {?} */
const parentNode = this.getRelevantParentNodeForCursorPos(cursorPosToCheck);
/** @type {?} */
const parentName = Xml2html.getTagNameFromNode(parentNode);
return this.getAttributesForElementName(parentName);
}
/**
* @param {?} cursorPosToCheck
* @return {?}
*/
getRelevantParentNodeForCursorPos(cursorPosToCheck) {
if (cursorPosToCheck) {
/** @type {?} */
let parentNode = cursorPosToCheck.ActualNode;
switch (parentNode.nodeType) {
case Node.COMMENT_NODE:
case Node.TEXT_NODE:
parentNode = parentNode.parentElement;
break;
case Node.ELEMENT_NODE:
switch (cursorPosToCheck.PosAtNode) {
case XMLCursorPositions.CursorInEmptyNode:
case XMLCursorPositions.CursorInsideTextNode:
case XMLCursorPositions.CursorOnCompleteNode:
break;
case XMLCursorPositions.CursorBehindNode:
case XMLCursorPositions.CursorInFrontOfNode:
parentNode = parentNode.parentElement;
break;
default:
throw new Error(`unhandled cursorPosToCheck.PosAmNode "${cursorPosToCheck.PosAtNode}"/${XmlCursorPos.getXmlCursorPositionDebugName(cursorPosToCheck.PosAtNode)}" `);
}
break;
default:
throw new Error(`unhandled parentNode.nodeType "${parentNode.nodeType}"`);
}
return parentNode;
}
}
/**
* @param {?} elementName
* @return {?}
*/
getAttributesForElementName(elementName) {
/** @type {?} */
const xsdNode = this.xmlSchema.findXsdNodeForTagName(elementName);
return this.getAttributesForElement(xsdNode, new Set([xsdNode]));
}
/**
* @param {?} xsdNode
* @param {?} alreadyAddedElements
* @return {?}
*/
getAttributesForElement(xsdNode, alreadyAddedElements) {
/** @type {?} */
let attributes = [];
if (xsdNode) {
alreadyAddedElements.add(xsdNode);
/** @type {?} */
const childNodes = Array.prototype.slice.call(xsdNode.childNodes);
childNodes.forEach(child => {
if (xsdNode.nodeType === Node.ELEMENT_NODE) {
/** @type {?} */
const childElem = /** @type {?} */ (child);
if (childElem) {
if (child.localName === 'attribute') {
// is attribute
attributes = attributes.concat([
new XmlRuleAttribut({
attribName: childElem.attributes.getNamedItem('name').value,
required: this.isRequiredAttribute(childElem),
xsdRawNode: childElem,
fixedValues: this.getFixedValues(childElem),
defaultValue: this.getDefaultValue(childElem)
})
]);
}
else {
// no attribute
if (!alreadyAddedElements.has(child)) {
/** @type {?} */
const subNodeAttributes = this.getAttributesForElement(child, alreadyAddedElements);
attributes = attributes.concat(subNodeAttributes);
}
else {
// Element already added
}
}
}
}
});
}
return attributes;
}
/**
* the default value for this attribute
* @param {?} childElem
* @return {?}
*/
getDefaultValue(childElem) {
/** @type {?} */
const attrib = childElem.attributes.getNamedItem('default');
if (attrib !== null) {
return attrib.value;
}
return undefined;
}
/**
* is this attribute required?
* @param {?} childElem
* @return {?}
*/
isRequiredAttribute(childElem) {
/** @type {?} */
const attrib = childElem.attributes.getNamedItem('use');
/** @type {?} */
const value = attrib !== null && attrib.value === 'required';
return value;
}
/**
* get the allowes values for this attribute
* @param {?} xsdNode
* @param {?=} alreadyChecked
* @return {?}
*/
getFixedValues(xsdNode, alreadyChecked = []) {
/** @type {?} */
let values = [];
/** @type {?} */
const childNodes = Array.prototype.slice.call(xsdNode.childNodes);
childNodes.forEach(child => {
if (xsdNode.nodeType === Node.ELEMENT_NODE) {
/** @type {?} */
const childElem = /** @type {?} */ (child);
if (childElem) {
if (child.localName === 'enumeration') {
values = values.concat([childElem.attributes.getNamedItem('value').value]);
}
else {
// no attribute
if (alreadyChecked.indexOf(child) === -1) {
/** @type {?} */
const subNodeAttributes = this.getFixedValues(child, alreadyChecked);
values = values.concat(subNodeAttributes);
}
else {
// Element already added
}
}
}
}
});
return values;
}
}
if (false) {
/** @type {?} */
XmlEditRuleCheckAttributes.prototype.xmlSchema;
}
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{ XmlCursorPos, XMLCursorPositions } from '../cursor/xmlCursorPos.class';\r\nimport { XmlRuleAttribut } from './xmlRuleAttribut.class';\r\nimport { XmlSchema } from './xmlSchema.class';\r\nimport { Xml2html } from '../xml-html-converter/xml2html.class';\r\n\r\nexport class XmlEditRuleCheckAttributes {\r\n  constructor(private xmlSchema: XmlSchema) {}\r\n\r\n  AttributesAllowedAtThisCursorPos(cursorPosToCheck: XmlCursorPos): XmlRuleAttribut[] {\r\n    if (!cursorPosToCheck) {\r\n      return [];\r\n    }\r\n    const parentNode = this.getRelevantParentNodeForCursorPos(cursorPosToCheck);\r\n    const parentName = Xml2html.getTagNameFromNode(parentNode);\r\n    return this.getAttributesForElementName(parentName);\r\n  }\r\n\r\n  getRelevantParentNodeForCursorPos(cursorPosToCheck: XmlCursorPos): Node {\r\n    if (cursorPosToCheck) {\r\n      let parentNode = cursorPosToCheck.ActualNode;\r\n\r\n      switch (parentNode.nodeType) {\r\n        case Node.COMMENT_NODE:\r\n        case Node.TEXT_NODE:\r\n          parentNode = parentNode.parentElement;\r\n          break;\r\n\r\n        case Node.ELEMENT_NODE:\r\n          switch (cursorPosToCheck.PosAtNode) {\r\n            case XMLCursorPositions.CursorInEmptyNode:\r\n            case XMLCursorPositions.CursorInsideTextNode:\r\n            case XMLCursorPositions.CursorOnCompleteNode:\r\n              break;\r\n\r\n            case XMLCursorPositions.CursorBehindNode:\r\n            case XMLCursorPositions.CursorInFrontOfNode:\r\n              parentNode = parentNode.parentElement;\r\n              break;\r\n\r\n            default:\r\n              throw new Error(`unhandled cursorPosToCheck.PosAmNode \"${cursorPosToCheck.PosAtNode}\"/${XmlCursorPos.getXmlCursorPositionDebugName(cursorPosToCheck.PosAtNode)}\" `);\r\n          }\r\n          break;\r\n\r\n        default:\r\n          throw new Error(`unhandled parentNode.nodeType \"${parentNode.nodeType}\"`);\r\n      }\r\n      return parentNode;\r\n    }\r\n  }\r\n\r\n  getAttributesForElementName(elementName: string): XmlRuleAttribut[] {\r\n    const xsdNode = this.xmlSchema.findXsdNodeForTagName(elementName);\r\n    return this.getAttributesForElement(xsdNode, new Set([xsdNode]));\r\n  }\r\n\r\n  getAttributesForElement(xsdNode: Node, alreadyAddedElements: Set<Node>): XmlRuleAttribut[] {\r\n    let attributes: XmlRuleAttribut[] = [];\r\n\r\n    if (xsdNode) {\r\n      alreadyAddedElements.add(xsdNode);\r\n\r\n      const childNodes = Array.prototype.slice.call(xsdNode.childNodes);\r\n\r\n      childNodes.forEach(child => {\r\n        if (xsdNode.nodeType === Node.ELEMENT_NODE) {\r\n          const childElem = child as Element;\r\n          if (childElem) {\r\n            if (child.localName === 'attribute') {\r\n              // is attribute\r\n              attributes = attributes.concat([\r\n                new XmlRuleAttribut({\r\n                  attribName: childElem.attributes.getNamedItem('name').value,\r\n                  required: this.isRequiredAttribute(childElem),\r\n                  xsdRawNode: childElem,\r\n                  fixedValues: this.getFixedValues(childElem),\r\n                  defaultValue: this.getDefaultValue(childElem)\r\n                })\r\n              ]);\r\n            } else {\r\n              // no attribute\r\n              if (!alreadyAddedElements.has(child)) {\r\n                const subNodeAttributes = this.getAttributesForElement(child, alreadyAddedElements);\r\n                attributes = attributes.concat(subNodeAttributes);\r\n              } else {\r\n                // Element already added\r\n              }\r\n            }\r\n          }\r\n        }\r\n      });\r\n    }\r\n\r\n    return attributes;\r\n  }\r\n\r\n  /** the default value for this attribute */\r\n  private getDefaultValue(childElem: Element) {\r\n    const attrib = childElem.attributes.getNamedItem('default');\r\n    if (attrib !== null) {\r\n      return attrib.value;\r\n    }\r\n    return undefined;\r\n  }\r\n\r\n  /** is this attribute required? */\r\n  private isRequiredAttribute(childElem: Element) {\r\n    const attrib = childElem.attributes.getNamedItem('use');\r\n    const value = attrib !== null && attrib.value === 'required';\r\n    return value;\r\n  }\r\n\r\n  /** get the allowes values for this attribute */\r\n  private getFixedValues(xsdNode: Element, alreadyChecked: Node[] = []): string[] {\r\n    let values: string[] = [];\r\n\r\n    const childNodes = Array.prototype.slice.call(xsdNode.childNodes);\r\n    childNodes.forEach(child => {\r\n      if (xsdNode.nodeType === Node.ELEMENT_NODE) {\r\n        const childElem = child as Element;\r\n        if (childElem) {\r\n          if (child.localName === 'enumeration') {\r\n            values = values.concat([childElem.attributes.getNamedItem('value').value]);\r\n          } else {\r\n            // no attribute\r\n            if (alreadyChecked.indexOf(child) === -1) {\r\n              const subNodeAttributes = this.getFixedValues(child, alreadyChecked);\r\n              values = values.concat(subNodeAttributes);\r\n            } else {\r\n              // Element already added\r\n            }\r\n          }\r\n        }\r\n      }\r\n    });\r\n\r\n    return values;\r\n  }\r\n}\r\n"]}