jscpd/build/detector.js

Copy/paste detector for programming code, support JavaScript, CoffeeScript, PHP, Ruby, Python, Less, Go, Java, Yaml, C#, C++, C, Puppet, Twig languages

"use strict";
var __values = (this && this.__values) || function (o) {
    var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
    if (m) return m.call(o);
    return {
        next: function () {
            if (o && i >= o.length) o = void 0;
            return { value: o && o[i++], done: !o };
        }
    };
};
Object.defineProperty(exports, "__esModule", { value: true });
var clone_1 = require("./clone");
var events_1 = require("./events");
var models_1 = require("./stores/models");
var stores_manager_1 = require("./stores/stores-manager");
var options_1 = require("./utils/options");
var Detector = /** @class */ (function () {
    function Detector(options, eventEmitter) {
        this.options = options;
        this.eventEmitter = eventEmitter;
    }
    Detector.prototype.detectByMap = function (tokenMap) {
        var e_1, _a;
        var clones = [];
        if (tokenMap.getLength() >= options_1.getOption('minTokens', this.options)) {
            var isClone = false;
            var start = void 0;
            var end = void 0;
            var HashesStore = stores_manager_1.StoresManager.getStore(models_1.getHashDbName(tokenMap.getFormat()));
            try {
                for (var tokenMap_1 = __values(tokenMap), tokenMap_1_1 = tokenMap_1.next(); !tokenMap_1_1.done; tokenMap_1_1 = tokenMap_1.next()) {
                    var mapFrame = tokenMap_1_1.value;
                    if (HashesStore.has(mapFrame.id)) {
                        isClone = true;
                        if (!start) {
                            start = end = mapFrame;
                        }
                        else {
                            end = mapFrame;
                        }
                    }
                    else {
                        this._cloneFound(isClone, start, end, clones);
                        isClone = false;
                        start = undefined;
                        HashesStore.set(mapFrame.id, mapFrame);
                    }
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (tokenMap_1_1 && !tokenMap_1_1.done && (_a = tokenMap_1.return)) _a.call(tokenMap_1);
                }
                finally { if (e_1) throw e_1.error; }
            }
            this._cloneFound(isClone, start, end, clones);
        }
        return clones;
    };
    Detector.prototype._cloneFound = function (isClone, start, end, clones) {
        if (isClone && start && end) {
            var clone = clone_1.createClone(start, end);
            if (clone_1.isCloneLinesBiggerLimit(clone, options_1.getOption('minLines', this.options))) {
                clones.push(clone);
                this.eventEmitter.emit(events_1.CLONE_FOUND_EVENT, clone);
            }
        }
    };
    return Detector;
}());
exports.Detector = Detector;
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