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309<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">const ParameterType = require('./parameter_type')
310const CucumberExpressionGenerator = require('./cucumber_expression_generator.js')
311const {
312 CucumberExpressionError,
313 AmbiguousParameterTypeError,
314} = require('./errors')
315&nbsp;
316const INTEGER_REGEXPS = [/-?\d+/, /\d+/]
317const FLOAT_REGEXP = /-?\d*\.\d+/
318const WORD_REGEXP = /[^\s]+/
319const STRING_REGEXP = /"([^"\\]*(\\.[^"\\]*)*)"|'([^'\\]*(\\.[^'\\]*)*)'/
320const ANONYMOUS_REGEXP = /.*/
321&nbsp;
322class ParameterTypeRegistry {
323 constructor() {
324 this._parameterTypeByName = new Map()
325 this._parameterTypesByRegexp = new Map()
326&nbsp;
327 this.defineParameterType(
328 new ParameterType(
329 'int',
330 INTEGER_REGEXPS,
331 Number,
332 s =&gt; s &amp;&amp; parseInt(s),
333 true,
334 true
335 )
336 )
337 this.defineParameterType(
338 new ParameterType(
339 'float',
340 FLOAT_REGEXP,
341 Number,
342 s =&gt; s &amp;&amp; parseFloat(s),
343 true,
344 false
345 )
346 )
347 this.defineParameterType(
348 new ParameterType('word', WORD_REGEXP, String, s =&gt; s, false, false)
349 )
350 this.defineParameterType(
351 new ParameterType(
352 'string',
353 STRING_REGEXP,
354 String,
355 s =&gt; s.replace(/\\"/g, '"').replace(/\\'/g, "'"),
356 true,
357 false
358 )
359 )
360 this.defineParameterType(
361 new ParameterType('', ANONYMOUS_REGEXP, String, s =&gt; s, false, true)
362 )
363 }
364&nbsp;
365 get parameterTypes() {
366 return this._parameterTypeByName.values()
367 }
368&nbsp;
369 lookupByTypeName(typeName) {
370 return this._parameterTypeByName.get(typeName)
371 }
372&nbsp;
373 lookupByRegexp(parameterTypeRegexp, expressionRegexp, text) {
374 const parameterTypes = this._parameterTypesByRegexp.get(parameterTypeRegexp)
375 if (!parameterTypes) return null
376 <span class="missing-if-branch" title="if path not taken" >I</span>if (parameterTypes.length &gt; 1 &amp;&amp; !parameterTypes[0].preferForRegexpMatch) {
377 // We don't do this check on insertion because we only want to restrict
378 // ambiguiuty when we look up by Regexp. Users of CucumberExpression should
379 // not be restricted.
380 const generatedExpressions = <span class="cstat-no" title="statement not covered" >new CucumberExpressionGenerator(</span>
381 this
382 ).generateExpressions(text)
383<span class="cstat-no" title="statement not covered" > throw new AmbiguousParameterTypeError.forRegExp(</span>
384 parameterTypeRegexp,
385 expressionRegexp,
386 parameterTypes,
387 generatedExpressions
388 )
389 }
390 return parameterTypes[0]
391 }
392&nbsp;
393 defineParameterType(parameterType) {
394 <span class="missing-if-branch" title="else path not taken" >E</span>if (parameterType.name !== undefined) {
395 if (this._parameterTypeByName.has(parameterType.name))
396 <span class="missing-if-branch" title="if path not taken" >I</span>if (parameterType.name.length === 0)
397<span class="cstat-no" title="statement not covered" > throw new Error(</span>
398 `The anonymous parameter type has already been defined`
399 )
400 else
401 throw new Error(
402 `There is already a parameter type with name ${parameterType.name}`
403 )
404 this._parameterTypeByName.set(parameterType.name, parameterType)
405 }
406&nbsp;
407 for (const parameterTypeRegexp of parameterType.regexps) {
408 if (!this._parameterTypesByRegexp.has(parameterTypeRegexp)) {
409 this._parameterTypesByRegexp.set(parameterTypeRegexp, [])
410 }
411 const parameterTypes = this._parameterTypesByRegexp.get(
412 parameterTypeRegexp
413 )
414 const existingParameterType = parameterTypes[0]
415 if (
416 parameterTypes.length &gt; 0 &amp;&amp;
417 existingParameterType.preferForRegexpMatch &amp;&amp;
418 parameterType.preferForRegexpMatch
419 ) {
420 throw new CucumberExpressionError(
421 'There can only be one preferential parameter type per regexp. ' +
422 `The regexp /${parameterTypeRegexp}/ is used for two preferential parameter types, {${
423 existingParameterType.name
424 }} and {${parameterType.name}}`
425 )
426 }
427 <span class="missing-if-branch" title="else path not taken" >E</span>if (parameterTypes.indexOf(parameterType) === -1) {
428 parameterTypes.push(parameterType)
429 this._parameterTypesByRegexp.set(
430 parameterTypeRegexp,
431 parameterTypes.sort(ParameterType.compare)
432 )
433 }
434 }
435 }
436}
437&nbsp;
438module.exports = ParameterTypeRegistry
439&nbsp;</pre></td></tr>
440</table></pre>
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444 Code coverage
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