cucumber-expressions
Version:
Cucumber Expressions - a simpler alternative to Regular Expressions
156 lines • 7.94 kB
JavaScript
;
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var ParameterTypeMatcher_1 = __importDefault(require("./ParameterTypeMatcher"));
var ParameterType_1 = __importDefault(require("./ParameterType"));
var util_1 = __importDefault(require("util"));
var CombinatorialGeneratedExpressionFactory_1 = __importDefault(require("./CombinatorialGeneratedExpressionFactory"));
var CucumberExpressionGenerator = /** @class */ (function () {
function CucumberExpressionGenerator(parameterTypeRegistry) {
this.parameterTypeRegistry = parameterTypeRegistry;
}
CucumberExpressionGenerator.prototype.generateExpressions = function (text) {
var parameterTypeCombinations = [];
var parameterTypeMatchers = this.createParameterTypeMatchers(text);
var expressionTemplate = '';
var pos = 0;
var _loop_1 = function () {
var e_1, _a, e_2, _b;
var matchingParameterTypeMatchers = [];
try {
for (var parameterTypeMatchers_1 = (e_1 = void 0, __values(parameterTypeMatchers)), parameterTypeMatchers_1_1 = parameterTypeMatchers_1.next(); !parameterTypeMatchers_1_1.done; parameterTypeMatchers_1_1 = parameterTypeMatchers_1.next()) {
var parameterTypeMatcher = parameterTypeMatchers_1_1.value;
var advancedParameterTypeMatcher = parameterTypeMatcher.advanceTo(pos);
if (advancedParameterTypeMatcher.find) {
matchingParameterTypeMatchers.push(advancedParameterTypeMatcher);
}
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (parameterTypeMatchers_1_1 && !parameterTypeMatchers_1_1.done && (_a = parameterTypeMatchers_1.return)) _a.call(parameterTypeMatchers_1);
}
finally { if (e_1) throw e_1.error; }
}
if (matchingParameterTypeMatchers.length > 0) {
matchingParameterTypeMatchers = matchingParameterTypeMatchers.sort(ParameterTypeMatcher_1.default.compare);
// Find all the best parameter type matchers, they are all candidates.
var bestParameterTypeMatcher_1 = matchingParameterTypeMatchers[0];
var bestParameterTypeMatchers = matchingParameterTypeMatchers.filter(function (m) { return ParameterTypeMatcher_1.default.compare(m, bestParameterTypeMatcher_1) === 0; });
// Build a list of parameter types without duplicates. The reason there
// might be duplicates is that some parameter types have more than one regexp,
// which means multiple ParameterTypeMatcher objects will have a reference to the
// same ParameterType.
// We're sorting the list so preferential parameter types are listed first.
// Users are most likely to want these, so they should be listed at the top.
var parameterTypes = [];
try {
for (var bestParameterTypeMatchers_1 = (e_2 = void 0, __values(bestParameterTypeMatchers)), bestParameterTypeMatchers_1_1 = bestParameterTypeMatchers_1.next(); !bestParameterTypeMatchers_1_1.done; bestParameterTypeMatchers_1_1 = bestParameterTypeMatchers_1.next()) {
var parameterTypeMatcher = bestParameterTypeMatchers_1_1.value;
if (parameterTypes.indexOf(parameterTypeMatcher.parameterType) === -1) {
parameterTypes.push(parameterTypeMatcher.parameterType);
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (bestParameterTypeMatchers_1_1 && !bestParameterTypeMatchers_1_1.done && (_b = bestParameterTypeMatchers_1.return)) _b.call(bestParameterTypeMatchers_1);
}
finally { if (e_2) throw e_2.error; }
}
parameterTypes = parameterTypes.sort(ParameterType_1.default.compare);
parameterTypeCombinations.push(parameterTypes);
expressionTemplate += escape(text.slice(pos, bestParameterTypeMatcher_1.start));
expressionTemplate += '{%s}';
pos =
bestParameterTypeMatcher_1.start + bestParameterTypeMatcher_1.group.length;
}
else {
return "break";
}
if (pos >= text.length) {
return "break";
}
};
// eslint-disable-next-line no-constant-condition
while (true) {
var state_1 = _loop_1();
if (state_1 === "break")
break;
}
expressionTemplate += escape(text.slice(pos));
return new CombinatorialGeneratedExpressionFactory_1.default(expressionTemplate, parameterTypeCombinations).generateExpressions();
};
/**
* @deprecated
*/
CucumberExpressionGenerator.prototype.generateExpression = function (text) {
var _this = this;
return util_1.default.deprecate(function () { return _this.generateExpressions(text)[0]; }, 'CucumberExpressionGenerator.generateExpression: Use CucumberExpressionGenerator.generateExpressions instead')();
};
CucumberExpressionGenerator.prototype.createParameterTypeMatchers = function (text) {
var e_3, _a;
var parameterMatchers = [];
try {
for (var _b = __values(this.parameterTypeRegistry.parameterTypes), _c = _b.next(); !_c.done; _c = _b.next()) {
var parameterType = _c.value;
if (parameterType.useForSnippets) {
parameterMatchers = parameterMatchers.concat(CucumberExpressionGenerator.createParameterTypeMatchers2(parameterType, text));
}
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_3) throw e_3.error; }
}
return parameterMatchers;
};
CucumberExpressionGenerator.createParameterTypeMatchers2 = function (parameterType, text) {
var e_4, _a;
// TODO: [].map
var result = [];
try {
for (var _b = __values(parameterType.regexpStrings), _c = _b.next(); !_c.done; _c = _b.next()) {
var regexp = _c.value;
result.push(new ParameterTypeMatcher_1.default(parameterType, regexp, text));
}
}
catch (e_4_1) { e_4 = { error: e_4_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_4) throw e_4.error; }
}
return result;
};
return CucumberExpressionGenerator;
}());
exports.default = CucumberExpressionGenerator;
function escape(s) {
return s
.replace(/%/g, '%%') // for util.format
.replace(/\(/g, '\\(')
.replace(/{/g, '\\{')
.replace(/\//g, '\\/');
}
module.exports = CucumberExpressionGenerator;
//# sourceMappingURL=CucumberExpressionGenerator.js.map