122 lines
3.4 KiB
TypeScript
122 lines
3.4 KiB
TypeScript
import log from '@/utils/log/Logger';
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export default class ExtendedDataParser {
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private appName: null;
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private appNameWarningShown: boolean;
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private lastString: any;
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private sectionStack: { values: any[] }[];
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private failure: boolean;
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constructor() {
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this.appName = null
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this.appNameWarningShown = false
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this.lastString = null
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this.sectionStack = [this._CreateSection()]
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this.failure = false
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}
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/**
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* Feed next token.
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* @return {boolean} 如果应该为此令牌创建新的解析器实例，则为True。
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*/
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Feed(curr) {
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if (!this.appName) {
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if (curr.code == 1001) {
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this.appName = curr.value
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return false
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}
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if (!this.appNameWarningShown) {
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this.appNameWarningShown = true
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log.warn("XDATA部分不以应用程序名称开头")
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}
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return false
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}
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if (curr.code == 1001) {
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return true
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}
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if (this.failure) {
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/* Ignore all the rest content in case of parsing failure. */
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return false
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}
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if (curr.code == 1000) {
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if (this.lastString) {
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log.warn("XDATA section unused string: " + this.lastString)
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}
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this.lastString = curr.value
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return false
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}
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const curSection = this._currentSection
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if (curr.code == 1002) {
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if (curr.value == "{") {
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if (!this.lastString) {
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log.warn("Unnamed XDATA section encountered")
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this.failure = true
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return false
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}
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const newSection = this._CreateSection()
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curSection[this.lastString] = newSection
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this.lastString = null
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this.sectionStack.push(newSection)
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return false
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}
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if (curr.value == "}") {
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if (this.sectionStack.length < 2) {
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log.warn("Unmatched XDATA section closing")
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this.failure = true
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return false
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}
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this.sectionStack.length = this.sectionStack.length - 1
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return false
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}
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log.warn("Bad XDATA section control string encountered: " + curr.value)
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this.failure = true
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return false
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}
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if (this.lastString !== null) {
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curSection.values.push(this._CreateValue(1000, this.lastString))
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this.lastString = null
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}
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curSection.values.push(this._CreateValue(curr.code, curr.value))
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return false
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}
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/** Finalize XDATA section parsing. */
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Finish(entity) {
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if (this.failure) {
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return
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}
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if (this.appName) {
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let xdata
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if (entity.hasOwnProperty("xdata")) {
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xdata = entity.xdata
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} else {
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xdata = {}
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entity.xdata = xdata
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}
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xdata[this.appName] = this.sectionStack[0]
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}
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}
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get _currentSection() {
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return this.sectionStack[this.sectionStack.length - 1]
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}
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_CreateSection() {
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return {
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values: []
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}
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}
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_CreateValue(code, value) {
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return {code, value}
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}
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}
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