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  1. 

  2. <!doctype html>
    3. 

  3. <html lang="en">
    4. 

  4. 

  5. <head>
    6. 

  6.     <title>Code coverage report for parser.js</title>
    7. 

  7.     <meta charset="utf-8" />
    8. 

  8.     <link rel="stylesheet" href="prettify.css" />
    9. 

  9.     <link rel="stylesheet" href="base.css" />
    10. 

  10.     <link rel="shortcut icon" type="image/x-icon" href="favicon.png" />
    11. 

  11.     <meta name="viewport" content="width=device-width, initial-scale=1" />
    12. 

  12.     <style type='text/css'>
    13. 

  13.         .coverage-summary .sorter {
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  14.             background-image: url(sort-arrow-sprite.png);
    15. 

  15.         }
    16. 

  16.     </style>
    17. 

  17. </head>
    18. 

  18.     
    19. 

  19. <body>
    20. 

  20. <div class='wrapper'>
    21. 

  21.     <div class='pad1'>
    22. 

  22.         <h1><a href="index.html">All files</a> parser.js</h1>
    23. 

  23.         <div class='clearfix'>
    24. 

  24.             
    25. 

  25.             <div class='fl pad1y space-right2'>
    26. 

  26.                 <span class="strong">90.57% </span>
    27. 

  27.                 <span class="quiet">Statements</span>
    28. 

  28.                 <span class='fraction'>144/159</span>
    29. 

  29.             </div>
    30. 

  30.         
    31. 

  31.             
    32. 

  32.             <div class='fl pad1y space-right2'>
    33. 

  33.                 <span class="strong">85.45% </span>
    34. 

  34.                 <span class="quiet">Branches</span>
    35. 

  35.                 <span class='fraction'>47/55</span>
    36. 

  36.             </div>
    37. 

  37.         
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  38.             
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  39.             <div class='fl pad1y space-right2'>
    40. 

  40.                 <span class="strong">100% </span>
    41. 

  41.                 <span class="quiet">Functions</span>
    42. 

  42.                 <span class='fraction'>20/20</span>
    43. 

  43.             </div>
    44. 

  44.         
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  45.             
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  46.             <div class='fl pad1y space-right2'>
    47. 

  47.                 <span class="strong">90.32% </span>
    48. 

  48.                 <span class="quiet">Lines</span>
    49. 

  49.                 <span class='fraction'>140/155</span>
    50. 

  50.             </div>
    51. 

  51.         
    52. 

  52.             
    53. 

  53.         </div>
    54. 

  54.         <p class="quiet">
    55. 

  55.             Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
    56. 

  56.         </p>
    57. 

  57.     </div>
    58. 

  58.     <div class='status-line high'></div>
    59. 

  59.     <pre><table class="coverage">
    60. 

  60. <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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  246. <a name='L187'></a><a href='#L187'>187</a>
    247. 

  247. <a name='L188'></a><a href='#L188'>188</a>
    248. 

  248. <a name='L189'></a><a href='#L189'>189</a>
    249. 

  249. <a name='L190'></a><a href='#L190'>190</a>
    250. 

  250. <a name='L191'></a><a href='#L191'>191</a>
    251. 

  251. <a name='L192'></a><a href='#L192'>192</a>
    252. 

  252. <a name='L193'></a><a href='#L193'>193</a>
    253. 

  253. <a name='L194'></a><a href='#L194'>194</a>
    254. 

  254. <a name='L195'></a><a href='#L195'>195</a>
    255. 

  255. <a name='L196'></a><a href='#L196'>196</a>
    256. 

  256. <a name='L197'></a><a href='#L197'>197</a>
    257. 

  257. <a name='L198'></a><a href='#L198'>198</a>
    258. 

  258. <a name='L199'></a><a href='#L199'>199</a>
    259. 

  259. <a name='L200'></a><a href='#L200'>200</a>
    260. 

  260. <a name='L201'></a><a href='#L201'>201</a>
    261. 

  261. <a name='L202'></a><a href='#L202'>202</a>
    262. 

  262. <a name='L203'></a><a href='#L203'>203</a>
    263. 

  263. <a name='L204'></a><a href='#L204'>204</a>
    264. 

  264. <a name='L205'></a><a href='#L205'>205</a>
    265. 

  265. <a name='L206'></a><a href='#L206'>206</a>
    266. 

  266. <a name='L207'></a><a href='#L207'>207</a>
    267. 

  267. <a name='L208'></a><a href='#L208'>208</a>
    268. 

  268. <a name='L209'></a><a href='#L209'>209</a>
    269. 

  269. <a name='L210'></a><a href='#L210'>210</a>
    270. 

  270. <a name='L211'></a><a href='#L211'>211</a>
    271. 

  271. <a name='L212'></a><a href='#L212'>212</a>
    272. 

  272. <a name='L213'></a><a href='#L213'>213</a>
    273. 

  273. <a name='L214'></a><a href='#L214'>214</a>
    274. 

  274. <a name='L215'></a><a href='#L215'>215</a>
    275. 

  275. <a name='L216'></a><a href='#L216'>216</a>
    276. 

  276. <a name='L217'></a><a href='#L217'>217</a>
    277. 

  277. <a name='L218'></a><a href='#L218'>218</a>
    278. 

  278. <a name='L219'></a><a href='#L219'>219</a>
    279. 

  279. <a name='L220'></a><a href='#L220'>220</a>
    280. 

  280. <a name='L221'></a><a href='#L221'>221</a>
    281. 

  281. <a name='L222'></a><a href='#L222'>222</a>
    282. 

  282. <a name='L223'></a><a href='#L223'>223</a>
    283. 

  283. <a name='L224'></a><a href='#L224'>224</a>
    284. 

  284. <a name='L225'></a><a href='#L225'>225</a>
    285. 

  285. <a name='L226'></a><a href='#L226'>226</a>
    286. 

  286. <a name='L227'></a><a href='#L227'>227</a>
    287. 

  287. <a name='L228'></a><a href='#L228'>228</a>
    288. 

  288. <a name='L229'></a><a href='#L229'>229</a>
    289. 

  289. <a name='L230'></a><a href='#L230'>230</a>
    290. 

  290. <a name='L231'></a><a href='#L231'>231</a>
    291. 

  291. <a name='L232'></a><a href='#L232'>232</a>
    292. 

  292. <a name='L233'></a><a href='#L233'>233</a>
    293. 

  293. <a name='L234'></a><a href='#L234'>234</a>
    294. 

  294. <a name='L235'></a><a href='#L235'>235</a>
    295. 

  295. <a name='L236'></a><a href='#L236'>236</a>
    296. 

  296. <a name='L237'></a><a href='#L237'>237</a>
    297. 

  297. <a name='L238'></a><a href='#L238'>238</a>
    298. 

  298. <a name='L239'></a><a href='#L239'>239</a>
    299. 

  299. <a name='L240'></a><a href='#L240'>240</a>
    300. 

  300. <a name='L241'></a><a href='#L241'>241</a>
    301. 

  301. <a name='L242'></a><a href='#L242'>242</a>
    302. 

  302. <a name='L243'></a><a href='#L243'>243</a>
    303. 

  303. <a name='L244'></a><a href='#L244'>244</a>
    304. 

  304. <a name='L245'></a><a href='#L245'>245</a>
    305. 

  305. <a name='L246'></a><a href='#L246'>246</a>
    306. 

  306. <a name='L247'></a><a href='#L247'>247</a>
    307. 

  307. <a name='L248'></a><a href='#L248'>248</a>
    308. 

  308. <a name='L249'></a><a href='#L249'>249</a>
    309. 

  309. <a name='L250'></a><a href='#L250'>250</a>
    310. 

  310. <a name='L251'></a><a href='#L251'>251</a>
    311. 

  311. <a name='L252'></a><a href='#L252'>252</a>
    312. 

  312. <a name='L253'></a><a href='#L253'>253</a>
    313. 

  313. <a name='L254'></a><a href='#L254'>254</a>
    314. 

  314. <a name='L255'></a><a href='#L255'>255</a>
    315. 

  315. <a name='L256'></a><a href='#L256'>256</a>
    316. 

  316. <a name='L257'></a><a href='#L257'>257</a>
    317. 

  317. <a name='L258'></a><a href='#L258'>258</a>
    318. 

  318. <a name='L259'></a><a href='#L259'>259</a>
    319. 

  319. <a name='L260'></a><a href='#L260'>260</a>
    320. 

  320. <a name='L261'></a><a href='#L261'>261</a>
    321. 

  321. <a name='L262'></a><a href='#L262'>262</a>
    322. 

  322. <a name='L263'></a><a href='#L263'>263</a>
    323. 

  323. <a name='L264'></a><a href='#L264'>264</a>
    324. 

  324. <a name='L265'></a><a href='#L265'>265</a>
    325. 

  325. <a name='L266'></a><a href='#L266'>266</a>
    326. 

  326. <a name='L267'></a><a href='#L267'>267</a>
    327. 

  327. <a name='L268'></a><a href='#L268'>268</a>
    328. 

  328. <a name='L269'></a><a href='#L269'>269</a>
    329. 

  329. <a name='L270'></a><a href='#L270'>270</a>
    330. 

  330. <a name='L271'></a><a href='#L271'>271</a>
    331. 

  331. <a name='L272'></a><a href='#L272'>272</a>
    332. 

  332. <a name='L273'></a><a href='#L273'>273</a>
    333. 

  333. <a name='L274'></a><a href='#L274'>274</a>
    334. 

  334. <a name='L275'></a><a href='#L275'>275</a>
    335. 

  335. <a name='L276'></a><a href='#L276'>276</a>
    336. 

  336. <a name='L277'></a><a href='#L277'>277</a>
    337. 

  337. <a name='L278'></a><a href='#L278'>278</a>
    338. 

  338. <a name='L279'></a><a href='#L279'>279</a>
    339. 

  339. <a name='L280'></a><a href='#L280'>280</a>
    340. 

  340. <a name='L281'></a><a href='#L281'>281</a>
    341. 

  341. <a name='L282'></a><a href='#L282'>282</a>
    342. 

  342. <a name='L283'></a><a href='#L283'>283</a>
    343. 

  343. <a name='L284'></a><a href='#L284'>284</a>
    344. 

  344. <a name='L285'></a><a href='#L285'>285</a>
    345. 

  345. <a name='L286'></a><a href='#L286'>286</a>
    346. 

  346. <a name='L287'></a><a href='#L287'>287</a>
    347. 

  347. <a name='L288'></a><a href='#L288'>288</a>
    348. 

  348. <a name='L289'></a><a href='#L289'>289</a>
    349. 

  349. <a name='L290'></a><a href='#L290'>290</a>
    350. 

  350. <a name='L291'></a><a href='#L291'>291</a></td><td class="line-coverage quiet"><span class="cline-any cline-neutral">&nbsp;</span>
    351. 

  351. <span class="cline-any cline-neutral">&nbsp;</span>
    352. 

  352. <span class="cline-any cline-yes">1x</span>
    353. 

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    354. 

  354. <span class="cline-any cline-neutral">&nbsp;</span>
    355. 

  355. <span class="cline-any cline-yes">1x</span>
    356. 

  356. <span class="cline-any cline-yes">529x</span>
    357. 

  357. <span class="cline-any cline-yes">529x</span>
    358. 

  358. <span class="cline-any cline-neutral">&nbsp;</span>
    359. 

  359. <span class="cline-any cline-yes">529x</span>
    360. 

  360. <span class="cline-any cline-yes">529x</span>
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  361. <span class="cline-any cline-yes">529x</span>
    362. 

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  363. <span class="cline-any cline-neutral">&nbsp;</span>
    364. 

  364. <span class="cline-any cline-yes">529x</span>
    365. 

  365. <span class="cline-any cline-yes">529x</span>
    366. 

  366. <span class="cline-any cline-neutral">&nbsp;</span>
    367. 

  367. <span class="cline-any cline-yes">529x</span>
    368. 

  368. <span class="cline-any cline-yes">529x</span>
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    370. 

  370. <span class="cline-any cline-yes">529x</span>
    371. 

  371. <span class="cline-any cline-yes">529x</span>
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    373. 

  373. <span class="cline-any cline-yes">529x</span>
    374. 

  374. <span class="cline-any cline-neutral">&nbsp;</span>
    375. 

  375. <span class="cline-any cline-yes">529x</span>
    376. 

  376. <span class="cline-any cline-yes">529x</span>
    377. 

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  378. <span class="cline-any cline-yes">529x</span>
    379. 

  379. <span class="cline-any cline-yes">529x</span>
    380. 

  380. <span class="cline-any cline-yes">529x</span>
    381. 

  381. <span class="cline-any cline-yes">529x</span>
    382. 

  382. <span class="cline-any cline-yes">529x</span>
    383. 

  383. <span class="cline-any cline-yes">529x</span>
    384. 

  384. <span class="cline-any cline-yes">529x</span>
    385. 

  385. <span class="cline-any cline-yes">529x</span>
    386. 

  386. <span class="cline-any cline-neutral">&nbsp;</span>
    387. 

  387. <span class="cline-any cline-neutral">&nbsp;</span>
    388. 

  388. <span class="cline-any cline-yes">1x</span>
    389. 

  389. <span class="cline-any cline-yes">529x</span>
    390. 

  390. <span class="cline-any cline-neutral">&nbsp;</span>
    391. 

  391. <span class="cline-any cline-neutral">&nbsp;</span>
    392. 

  392. <span class="cline-any cline-yes">1x</span>
    393. 

  393. <span class="cline-any cline-yes">365x</span>
    394. 

  394. <span class="cline-any cline-neutral">&nbsp;</span>
    395. 

  395. <span class="cline-any cline-yes">365x</span>
    396. 

  396. <span class="cline-any cline-yes">2867x</span>
    397. 

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  398. <span class="cline-any cline-yes">13x</span>
    399. 

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    401. 

  401. <span class="cline-any cline-yes">352x</span>
    402. 

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    407. 

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  409. <span class="cline-any cline-yes">2461x</span>
    410. 

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    411. 

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    412. 

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    413. 

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  418. <span class="cline-any cline-yes">2461x</span>
    419. 

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  422. <span class="cline-any cline-yes">2461x</span>
    423. 

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    424. 

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  427. <span class="cline-any cline-yes">2461x</span>
    428. 

  428. <span class="cline-any cline-yes">2461x</span>
    429. 

  429. <span class="cline-any cline-neutral">&nbsp;</span>
    430. 

  430. <span class="cline-any cline-yes">2461x</span>
    431. 

  431. <span class="cline-any cline-yes">2205x</span>
    432. 

  432. <span class="cline-any cline-neutral">&nbsp;</span>
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  434. <span class="cline-any cline-yes">256x</span>
    435. 

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  437. <span class="cline-any cline-neutral">&nbsp;</span>
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  439. <span class="cline-any cline-yes">256x</span>
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  442. <span class="cline-any cline-yes">1x</span>
    443. 

  443. <span class="cline-any cline-yes">256x</span>
    444. 

  444. <span class="cline-any cline-neutral">&nbsp;</span>
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  445. <span class="cline-any cline-neutral">&nbsp;</span>
    446. 

  446. <span class="cline-any cline-yes">1x</span>
    447. 

  447. <span class="cline-any cline-yes">2195x</span>
    448. 

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  449. <span class="cline-any cline-neutral">&nbsp;</span>
    450. 

  450. <span class="cline-any cline-yes">1x</span>
    451. 

  451. <span class="cline-any cline-yes">2195x</span>
    452. 

  452. <span class="cline-any cline-yes">2195x</span>
    453. 

  453. <span class="cline-any cline-neutral">&nbsp;</span>
    454. 

  454. <span class="cline-any cline-neutral">&nbsp;</span>
    455. 

  455. <span class="cline-any cline-yes">2195x</span>
    456. 

  456. <span class="cline-any cline-yes">4x</span>
    457. 

  457. <span class="cline-any cline-yes">4x</span>
    458. 

  458. <span class="cline-any cline-neutral">&nbsp;</span>
    459. 

  459. <span class="cline-any cline-neutral">&nbsp;</span>
    460. 

  460. <span class="cline-any cline-yes">2191x</span>
    461. 

  461. <span class="cline-any cline-yes">1855x</span>
    462. 

  462. <span class="cline-any cline-neutral">&nbsp;</span>
    463. 

  463. <span class="cline-any cline-neutral">&nbsp;</span>
    464. 

  464. <span class="cline-any cline-neutral">&nbsp;</span>
    465. 

  465. <span class="cline-any cline-yes">1x</span>
    466. 

  466. <span class="cline-any cline-yes">351x</span>
    467. 

  467. <span class="cline-any cline-neutral">&nbsp;</span>
    468. 

  468. <span class="cline-any cline-yes">1x</span>
    469. 

  469. <span class="cline-any cline-yes">351x</span>
    470. 

  470. <span class="cline-any cline-neutral">&nbsp;</span>
    471. 

  471. <span class="cline-any cline-yes">351x</span>
    472. 

  472. <span class="cline-any cline-yes">351x</span>
    473. 

  473. <span class="cline-any cline-yes">351x</span>
    474. 

  474. <span class="cline-any cline-yes">351x</span>
    475. 

  475. <span class="cline-any cline-yes">351x</span>
    476. 

  476. <span class="cline-any cline-yes">351x</span>
    477. 

  477. <span class="cline-any cline-yes">351x</span>
    478. 

  478. <span class="cline-any cline-neutral">&nbsp;</span>
    479. 

  479. <span class="cline-any cline-neutral">&nbsp;</span>
    480. 

  480. <span class="cline-any cline-neutral">&nbsp;</span>
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  481. <span class="cline-any cline-neutral">&nbsp;</span>
    482. 

  482. <span class="cline-any cline-neutral">&nbsp;</span>
    483. 

  483. <span class="cline-any cline-neutral">&nbsp;</span>
    484. 

  484. <span class="cline-any cline-yes">351x</span>
    485. 

  485. <span class="cline-any cline-neutral">&nbsp;</span>
    486. 

  486. <span class="cline-any cline-neutral">&nbsp;</span>
    487. 

  487. <span class="cline-any cline-neutral">&nbsp;</span>
    488. 

  488. <span class="cline-any cline-neutral">&nbsp;</span>
    489. 

  489. <span class="cline-any cline-neutral">&nbsp;</span>
    490. 

  490. <span class="cline-any cline-neutral">&nbsp;</span>
    491. 

  491. <span class="cline-any cline-yes">6x</span>
    492. 

  492. <span class="cline-any cline-yes">6x</span>
    493. 

  493. <span class="cline-any cline-neutral">&nbsp;</span>
    494. 

  494. <span class="cline-any cline-yes">345x</span>
    495. 

  495. <span class="cline-any cline-yes">4x</span>
    496. 

  496. <span class="cline-any cline-yes">4x</span>
    497. 

  497. <span class="cline-any cline-neutral">&nbsp;</span>
    498. 

  498. <span class="cline-any cline-yes">341x</span>
    499. 

  499. <span class="cline-any cline-no">&nbsp;</span>
    500. 

  500. <span class="cline-any cline-no">&nbsp;</span>
    501. 

  501. <span class="cline-any cline-neutral">&nbsp;</span>
    502. 

  502. <span class="cline-any cline-yes">341x</span>
    503. 

  503. <span class="cline-any cline-no">&nbsp;</span>
    504. 

  504. <span class="cline-any cline-no">&nbsp;</span>
    505. 

  505. <span class="cline-any cline-neutral">&nbsp;</span>
    506. 

  506. <span class="cline-any cline-yes">341x</span>
    507. 

  507. <span class="cline-any cline-no">&nbsp;</span>
    508. 

  508. <span class="cline-any cline-no">&nbsp;</span>
    509. 

  509. <span class="cline-any cline-neutral">&nbsp;</span>
    510. 

  510. <span class="cline-any cline-neutral">&nbsp;</span>
    511. 

  511. <span class="cline-any cline-yes">341x</span>
    512. 

  512. <span class="cline-any cline-neutral">&nbsp;</span>
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  513. <span class="cline-any cline-yes">341x</span>
    514. 

  514. <span class="cline-any cline-neutral">&nbsp;</span>
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  515. <span class="cline-any cline-yes">341x</span>
    516. 

  516. <span class="cline-any cline-neutral">&nbsp;</span>
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  517. <span class="cline-any cline-yes">341x</span>
    518. 

  518. <span class="cline-any cline-neutral">&nbsp;</span>
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  520. <span class="cline-any cline-neutral">&nbsp;</span>
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  521. <span class="cline-any cline-neutral">&nbsp;</span>
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  522. <span class="cline-any cline-neutral">&nbsp;</span>
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  524. <span class="cline-any cline-neutral">&nbsp;</span>
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  525. <span class="cline-any cline-neutral">&nbsp;</span>
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  526. <span class="cline-any cline-neutral">&nbsp;</span>
    527. 

  527. <span class="cline-any cline-neutral">&nbsp;</span>
    528. 

  528. <span class="cline-any cline-neutral">&nbsp;</span>
    529. 

  529. <span class="cline-any cline-yes">341x</span>
    530. 

  530. <span class="cline-any cline-neutral">&nbsp;</span>
    531. 

  531. <span class="cline-any cline-neutral">&nbsp;</span>
    532. 

  532. <span class="cline-any cline-yes">1x</span>
    533. 

  533. <span class="cline-any cline-yes">135x</span>
    534. 

  534. <span class="cline-any cline-neutral">&nbsp;</span>
    535. 

  535. <span class="cline-any cline-yes">1x</span>
    536. 

  536. <span class="cline-any cline-yes">135x</span>
    537. 

  537. <span class="cline-any cline-neutral">&nbsp;</span>
    538. 

  538. <span class="cline-any cline-yes">135x</span>
    539. 

  539. <span class="cline-any cline-neutral">&nbsp;</span>
    540. 

  540. <span class="cline-any cline-neutral">&nbsp;</span>
    541. 

  541. <span class="cline-any cline-yes">135x</span>
    542. 

  542. <span class="cline-any cline-yes">7350x</span>
    543. 

  543. <span class="cline-any cline-neutral">&nbsp;</span>
    544. 

  544. <span class="cline-any cline-neutral">&nbsp;</span>
    545. 

  545. <span class="cline-any cline-yes">135x</span>
    546. 

  546. <span class="cline-any cline-neutral">&nbsp;</span>
    547. 

  547. <span class="cline-any cline-yes">135x</span>
    548. 

  548. <span class="cline-any cline-neutral">&nbsp;</span>
    549. 

  549. <span class="cline-any cline-neutral">&nbsp;</span>
    550. 

  550. <span class="cline-any cline-yes">1x</span>
    551. 

  551. <span class="cline-any cline-yes">27x</span>
    552. 

  552. <span class="cline-any cline-yes">27x</span>
    553. 

  553. <span class="cline-any cline-neutral">&nbsp;</span>
    554. 

  554. <span class="cline-any cline-yes">1x</span>
    555. 

  555. <span class="cline-any cline-yes">27x</span>
    556. 

  556. <span class="cline-any cline-neutral">&nbsp;</span>
    557. 

  557. <span class="cline-any cline-neutral">&nbsp;</span>
    558. 

  558. <span class="cline-any cline-yes">27x</span>
    559. 

  559. <span class="cline-any cline-yes">15x</span>
    560. 

  560. <span class="cline-any cline-no">&nbsp;</span>
    561. 

  561. <span class="cline-any cline-no">&nbsp;</span>
    562. 

  562. <span class="cline-any cline-neutral">&nbsp;</span>
    563. 

  563. <span class="cline-any cline-yes">15x</span>
    564. 

  564. <span class="cline-any cline-no">&nbsp;</span>
    565. 

  565. <span class="cline-any cline-no">&nbsp;</span>
    566. 

  566. <span class="cline-any cline-neutral">&nbsp;</span>
    567. 

  567. <span class="cline-any cline-yes">15x</span>
    568. 

  568. <span class="cline-any cline-yes">529x</span>
    569. 

  569. <span class="cline-any cline-neutral">&nbsp;</span>
    570. 

  570. <span class="cline-any cline-yes">15x</span>
    571. 

  571. <span class="cline-any cline-neutral">&nbsp;</span>
    572. 

  572. <span class="cline-any cline-neutral">&nbsp;</span>
    573. 

  573. <span class="cline-any cline-neutral">&nbsp;</span>
    574. 

  574. <span class="cline-any cline-neutral">&nbsp;</span>
    575. 

  575. <span class="cline-any cline-yes">27x</span>
    576. 

  576. <span class="cline-any cline-neutral">&nbsp;</span>
    577. 

  577. <span class="cline-any cline-yes">6x</span>
    578. 

  578. <span class="cline-any cline-neutral">&nbsp;</span>
    579. 

  579. <span class="cline-any cline-yes">27x</span>
    580. 

  580. <span class="cline-any cline-yes">6x</span>
    581. 

  581. <span class="cline-any cline-neutral">&nbsp;</span>
    582. 

  582. <span class="cline-any cline-neutral">&nbsp;</span>
    583. 

  583. <span class="cline-any cline-neutral">&nbsp;</span>
    584. 

  584. <span class="cline-any cline-neutral">&nbsp;</span>
    585. 

  585. <span class="cline-any cline-neutral">&nbsp;</span>
    586. 

  586. <span class="cline-any cline-neutral">&nbsp;</span>
    587. 

  587. <span class="cline-any cline-yes">27x</span>
    588. 

  588. <span class="cline-any cline-neutral">&nbsp;</span>
    589. 

  589. <span class="cline-any cline-neutral">&nbsp;</span>
    590. 

  590. <span class="cline-any cline-yes">1x</span>
    591. 

  591. <span class="cline-any cline-yes">296x</span>
    592. 

  592. <span class="cline-any cline-neutral">&nbsp;</span>
    593. 

  593. <span class="cline-any cline-yes">1x</span>
    594. 

  594. <span class="cline-any cline-yes">296x</span>
    595. 

  595. <span class="cline-any cline-yes">296x</span>
    596. 

  596. <span class="cline-any cline-neutral">&nbsp;</span>
    597. 

  597. <span class="cline-any cline-yes">296x</span>
    598. 

  598. <span class="cline-any cline-neutral">&nbsp;</span>
    599. 

  599. <span class="cline-any cline-neutral">&nbsp;</span>
    600. 

  600. <span class="cline-any cline-yes">1x</span>
    601. 

  601. <span class="cline-any cline-yes">1233x</span>
    602. 

  602. <span class="cline-any cline-yes">337x</span>
    603. 

  603. <span class="cline-any cline-yes">337x</span>
    604. 

  604. <span class="cline-any cline-neutral">&nbsp;</span>
    605. 

  605. <span class="cline-any cline-yes">1233x</span>
    606. 

  606. <span class="cline-any cline-neutral">&nbsp;</span>
    607. 

  607. <span class="cline-any cline-yes">1x</span>
    608. 

  608. <span class="cline-any cline-yes">1233x</span>
    609. 

  609. <span class="cline-any cline-neutral">&nbsp;</span>
    610. 

  610. <span class="cline-any cline-yes">1233x</span>
    611. 

  611. <span class="cline-any cline-neutral">&nbsp;</span>
    612. 

  612. <span class="cline-any cline-neutral">&nbsp;</span>
    613. 

  613. <span class="cline-any cline-neutral">&nbsp;</span>
    614. 

  614. <span class="cline-any cline-no">&nbsp;</span>
    615. 

  615. <span class="cline-any cline-neutral">&nbsp;</span>
    616. 

  616. <span class="cline-any cline-neutral">&nbsp;</span>
    617. 

  617. <span class="cline-any cline-yes">1233x</span>
    618. 

  618. <span class="cline-any cline-yes">1233x</span>
    619. 

  619. <span class="cline-any cline-neutral">&nbsp;</span>
    620. 

  620. <span class="cline-any cline-yes">1233x</span>
    621. 

  621. <span class="cline-any cline-yes">173x</span>
    622. 

  622. <span class="cline-any cline-neutral">&nbsp;</span>
    623. 

  623. <span class="cline-any cline-yes">1060x</span>
    624. 

  624. <span class="cline-any cline-neutral">&nbsp;</span>
    625. 

  625. <span class="cline-any cline-neutral">&nbsp;</span>
    626. 

  626. <span class="cline-any cline-neutral">&nbsp;</span>
    627. 

  627. <span class="cline-any cline-yes">1x</span>
    628. 

  628. <span class="cline-any cline-yes">336x</span>
    629. 

  629. <span class="cline-any cline-neutral">&nbsp;</span>
    630. 

  630. <span class="cline-any cline-yes">1x</span>
    631. 

  631. <span class="cline-any cline-yes">336x</span>
    632. 

  632. <span class="cline-any cline-neutral">&nbsp;</span>
    633. 

  633. <span class="cline-any cline-yes">336x</span>
    634. 

  634. <span class="cline-any cline-yes">336x</span>
    635. 

  635. <span class="cline-any cline-neutral">&nbsp;</span>
    636. 

  636. <span class="cline-any cline-yes">336x</span>
    637. 

  637. <span class="cline-any cline-yes">173x</span>
    638. 

  638. <span class="cline-any cline-neutral">&nbsp;</span>
    639. 

  639. <span class="cline-any cline-neutral">&nbsp;</span>
    640. 

  640. <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
    641. 

  641. &nbsp;
    642. 

  642. let constants = require("./constants");
    643. 

  643. let CrcCalculator = require("./crc");
    644. 

  644. &nbsp;
    645. 

  645. let Parser = (module.exports = function (options, dependencies) {
    646. 

  646.   this._options = options;
    647. 

  647.   options.checkCRC = options.checkCRC !== false;
    648. 

  648. &nbsp;
    649. 

  649.   this._hasIHDR = false;
    650. 

  650.   this._hasIEND = false;
    651. 

  651.   this._emittedHeadersFinished = false;
    652. 

  652. &nbsp;
    653. 

  653.   // input flags/metadata
    654. 

  654.   this._palette = [];
    655. 

  655.   this._colorType = 0;
    656. 

  656. &nbsp;
    657. 

  657.   this._chunks = {};
    658. 

  658.   this._chunks[constants.TYPE_IHDR] = this._handleIHDR.bind(this);
    659. 

  659.   this._chunks[constants.TYPE_IEND] = this._handleIEND.bind(this);
    660. 

  660.   this._chunks[constants.TYPE_IDAT] = this._handleIDAT.bind(this);
    661. 

  661.   this._chunks[constants.TYPE_PLTE] = this._handlePLTE.bind(this);
    662. 

  662.   this._chunks[constants.TYPE_tRNS] = this._handleTRNS.bind(this);
    663. 

  663.   this._chunks[constants.TYPE_gAMA] = this._handleGAMA.bind(this);
    664. 

  664. &nbsp;
    665. 

  665.   this.read = dependencies.read;
    666. 

  666.   this.error = dependencies.error;
    667. 

  667.   this.metadata = dependencies.metadata;
    668. 

  668.   this.gamma = dependencies.gamma;
    669. 

  669.   this.transColor = dependencies.transColor;
    670. 

  670.   this.palette = dependencies.palette;
    671. 

  671.   this.parsed = dependencies.parsed;
    672. 

  672.   this.inflateData = dependencies.inflateData;
    673. 

  673.   this.finished = dependencies.finished;
    674. 

  674.   this.simpleTransparency = dependencies.simpleTransparency;
    675. 

  675.   this.headersFinished = dependencies.headersFinished || function () {};
    676. 

  676. });
    677. 

  677. &nbsp;
    678. 

  678. Parser.prototype.start = function () {
    679. 

  679.   this.read(constants.PNG_SIGNATURE.length, this._parseSignature.bind(this));
    680. 

  680. };
    681. 

  681. &nbsp;
    682. 

  682. Parser.prototype._parseSignature = function (data) {
    683. 

  683.   let signature = constants.PNG_SIGNATURE;
    684. 

  684. &nbsp;
    685. 

  685.   for (let i = 0; i &lt; signature.length; i++) {
    686. 

  686.     if (data[i] !== signature[i]) {
    687. 

  687.       this.error(new Error("Invalid file signature"));
    688. 

  688.       return;
    689. 

  689.     }
    690. 

  690.   }
    691. 

  691.   this.read(8, this._parseChunkBegin.bind(this));
    692. 

  692. };
    693. 

  693. &nbsp;
    694. 

  694. Parser.prototype._parseChunkBegin = function (data) {
    695. 

  695.   // chunk content length
    696. 

  696.   let length = data.readUInt32BE(0);
    697. 

  697. &nbsp;
    698. 

  698.   // chunk type
    699. 

  699.   let type = data.readUInt32BE(4);
    700. 

  700.   let name = "";
    701. 

  701.   for (let i = 4; i &lt; 8; i++) {
    702. 

  702.     name += String.fromCharCode(data[i]);
    703. 

  703.   }
    704. 

  704. &nbsp;
    705. 

  705.   //console.log('chunk ', name, length);
    706. 

  706. &nbsp;
    707. 

  707.   // chunk flags
    708. 

  708.   let ancillary = Boolean(data[4] &amp; 0x20); // or critical
    709. 

  709.   //    priv = Boolean(data[5] &amp; 0x20), // or public
    710. 

  710.   //    safeToCopy = Boolean(data[7] &amp; 0x20); // or unsafe
    711. 

  711. &nbsp;
    712. 

  712.   <span class="missing-if-branch" title="if path not taken" >I</span>if (!this._hasIHDR &amp;&amp; type !== constants.TYPE_IHDR) {
    713. 

  713. <span class="cstat-no" title="statement not covered" >    this.error(new Error("Expected IHDR on beggining"));</span>
    714. 

  714. <span class="cstat-no" title="statement not covered" >    return;</span>
    715. 

  715.   }
    716. 

  716. &nbsp;
    717. 

  717.   this._crc = new CrcCalculator();
    718. 

  718.   this._crc.write(Buffer.from(name));
    719. 

  719. &nbsp;
    720. 

  720.   if (this._chunks[type]) {
    721. 

  721.     return this._chunks[type](length);
    722. 

  722.   }
    723. 

  723. &nbsp;
    724. 

  724.   <span class="missing-if-branch" title="if path not taken" >I</span>if (!ancillary) {
    725. 

  725. <span class="cstat-no" title="statement not covered" >    this.error(new Error("Unsupported critical chunk type " + name));</span>
    726. 

  726. <span class="cstat-no" title="statement not covered" >    return;</span>
    727. 

  727.   }
    728. 

  728. &nbsp;
    729. 

  729.   this.read(length + 4, this._skipChunk.bind(this));
    730. 

  730. };
    731. 

  731. &nbsp;
    732. 

  732. Parser.prototype._skipChunk = function (/*data*/) {
    733. 

  733.   this.read(8, this._parseChunkBegin.bind(this));
    734. 

  734. };
    735. 

  735. &nbsp;
    736. 

  736. Parser.prototype._handleChunkEnd = function () {
    737. 

  737.   this.read(4, this._parseChunkEnd.bind(this));
    738. 

  738. };
    739. 

  739. &nbsp;
    740. 

  740. Parser.prototype._parseChunkEnd = function (data) {
    741. 

  741.   let fileCrc = data.readInt32BE(0);
    742. 

  742.   let calcCrc = this._crc.crc32();
    743. 

  743. &nbsp;
    744. 

  744.   // check CRC
    745. 

  745.   if (this._options.checkCRC &amp;&amp; calcCrc !== fileCrc) {
    746. 

  746.     this.error(new Error("Crc error - " + fileCrc + " - " + calcCrc));
    747. 

  747.     return;
    748. 

  748.   }
    749. 

  749. &nbsp;
    750. 

  750.   if (!this._hasIEND) {
    751. 

  751.     this.read(8, this._parseChunkBegin.bind(this));
    752. 

  752.   }
    753. 

  753. };
    754. 

  754. &nbsp;
    755. 

  755. Parser.prototype._handleIHDR = function (length) {
    756. 

  756.   this.read(length, this._parseIHDR.bind(this));
    757. 

  757. };
    758. 

  758. Parser.prototype._parseIHDR = function (data) {
    759. 

  759.   this._crc.write(data);
    760. 

  760. &nbsp;
    761. 

  761.   let width = data.readUInt32BE(0);
    762. 

  762.   let height = data.readUInt32BE(4);
    763. 

  763.   let depth = data[8];
    764. 

  764.   let colorType = data[9]; // bits: 1 palette, 2 color, 4 alpha
    765. 

  765.   let compr = data[10];
    766. 

  766.   let filter = data[11];
    767. 

  767.   let interlace = data[12];
    768. 

  768. &nbsp;
    769. 

  769.   // console.log('    width', width, 'height', height,
    770. 

  770.   //     'depth', depth, 'colorType', colorType,
    771. 

  771.   //     'compr', compr, 'filter', filter, 'interlace', interlace
    772. 

  772.   // );
    773. 

  773. &nbsp;
    774. 

  774.   if (
    775. 

  775.     depth !== 8 &amp;&amp;
    776. 

  776.     depth !== 4 &amp;&amp;
    777. 

  777.     depth !== 2 &amp;&amp;
    778. 

  778.     depth !== 1 &amp;&amp;
    779. 

  779.     depth !== 16
    780. 

  780.   ) {
    781. 

  781.     this.error(new Error("Unsupported bit depth " + depth));
    782. 

  782.     return;
    783. 

  783.   }
    784. 

  784.   if (!(colorType in constants.COLORTYPE_TO_BPP_MAP)) {
    785. 

  785.     this.error(new Error("Unsupported color type"));
    786. 

  786.     return;
    787. 

  787.   }
    788. 

  788.   <span class="missing-if-branch" title="if path not taken" >I</span>if (compr !== 0) {
    789. 

  789. <span class="cstat-no" title="statement not covered" >    this.error(new Error("Unsupported compression method"));</span>
    790. 

  790. <span class="cstat-no" title="statement not covered" >    return;</span>
    791. 

  791.   }
    792. 

  792.   <span class="missing-if-branch" title="if path not taken" >I</span>if (filter !== 0) {
    793. 

  793. <span class="cstat-no" title="statement not covered" >    this.error(new Error("Unsupported filter method"));</span>
    794. 

  794. <span class="cstat-no" title="statement not covered" >    return;</span>
    795. 

  795.   }
    796. 

  796.   <span class="missing-if-branch" title="if path not taken" >I</span>if (interlace !== 0 &amp;&amp; interlace !== 1) {
    797. 

  797. <span class="cstat-no" title="statement not covered" >    this.error(new Error("Unsupported interlace method"));</span>
    798. 

  798. <span class="cstat-no" title="statement not covered" >    return;</span>
    799. 

  799.   }
    800. 

  800. &nbsp;
    801. 

  801.   this._colorType = colorType;
    802. 

  802. &nbsp;
    803. 

  803.   let bpp = constants.COLORTYPE_TO_BPP_MAP[this._colorType];
    804. 

  804. &nbsp;
    805. 

  805.   this._hasIHDR = true;
    806. 

  806. &nbsp;
    807. 

  807.   this.metadata({
    808. 

  808.     width: width,
    809. 

  809.     height: height,
    810. 

  810.     depth: depth,
    811. 

  811.     interlace: Boolean(interlace),
    812. 

  812.     palette: Boolean(colorType &amp; constants.COLORTYPE_PALETTE),
    813. 

  813.     color: Boolean(colorType &amp; constants.COLORTYPE_COLOR),
    814. 

  814.     alpha: Boolean(colorType &amp; constants.COLORTYPE_ALPHA),
    815. 

  815.     bpp: bpp,
    816. 

  816.     colorType: colorType,
    817. 

  817.   });
    818. 

  818. &nbsp;
    819. 

  819.   this._handleChunkEnd();
    820. 

  820. };
    821. 

  821. &nbsp;
    822. 

  822. Parser.prototype._handlePLTE = function (length) {
    823. 

  823.   this.read(length, this._parsePLTE.bind(this));
    824. 

  824. };
    825. 

  825. Parser.prototype._parsePLTE = function (data) {
    826. 

  826.   this._crc.write(data);
    827. 

  827. &nbsp;
    828. 

  828.   let entries = Math.floor(data.length / 3);
    829. 

  829.   // console.log('Palette:', entries);
    830. 

  830. &nbsp;
    831. 

  831.   for (let i = 0; i &lt; entries; i++) {
    832. 

  832.     this._palette.push([data[i * 3], data[i * 3 + 1], data[i * 3 + 2], 0xff]);
    833. 

  833.   }
    834. 

  834. &nbsp;
    835. 

  835.   this.palette(this._palette);
    836. 

  836. &nbsp;
    837. 

  837.   this._handleChunkEnd();
    838. 

  838. };
    839. 

  839. &nbsp;
    840. 

  840. Parser.prototype._handleTRNS = function (length) {
    841. 

  841.   this.simpleTransparency();
    842. 

  842.   this.read(length, this._parseTRNS.bind(this));
    843. 

  843. };
    844. 

  844. Parser.prototype._parseTRNS = function (data) {
    845. 

  845.   this._crc.write(data);
    846. 

  846. &nbsp;
    847. 

  847.   // palette
    848. 

  848.   if (this._colorType === constants.COLORTYPE_PALETTE_COLOR) {
    849. 

  849.     <span class="missing-if-branch" title="if path not taken" >I</span>if (this._palette.length === 0) {
    850. 

  850. <span class="cstat-no" title="statement not covered" >      this.error(new Error("Transparency chunk must be after palette"));</span>
    851. 

  851. <span class="cstat-no" title="statement not covered" >      return;</span>
    852. 

  852.     }
    853. 

  853.     <span class="missing-if-branch" title="if path not taken" >I</span>if (data.length &gt; this._palette.length) {
    854. 

  854. <span class="cstat-no" title="statement not covered" >      this.error(new Error("More transparent colors than palette size"));</span>
    855. 

  855. <span class="cstat-no" title="statement not covered" >      return;</span>
    856. 

  856.     }
    857. 

  857.     for (let i = 0; i &lt; data.length; i++) {
    858. 

  858.       this._palette[i][3] = data[i];
    859. 

  859.     }
    860. 

  860.     this.palette(this._palette);
    861. 

  861.   }
    862. 

  862. &nbsp;
    863. 

  863.   // for colorType 0 (grayscale) and 2 (rgb)
    864. 

  864.   // there might be one gray/color defined as transparent
    865. 

  865.   if (this._colorType === constants.COLORTYPE_GRAYSCALE) {
    866. 

  866.     // grey, 2 bytes
    867. 

  867.     this.transColor([data.readUInt16BE(0)]);
    868. 

  868.   }
    869. 

  869.   if (this._colorType === constants.COLORTYPE_COLOR) {
    870. 

  870.     this.transColor([
    871. 

  871.       data.readUInt16BE(0),
    872. 

  872.       data.readUInt16BE(2),
    873. 

  873.       data.readUInt16BE(4),
    874. 

  874.     ]);
    875. 

  875.   }
    876. 

  876. &nbsp;
    877. 

  877.   this._handleChunkEnd();
    878. 

  878. };
    879. 

  879. &nbsp;
    880. 

  880. Parser.prototype._handleGAMA = function (length) {
    881. 

  881.   this.read(length, this._parseGAMA.bind(this));
    882. 

  882. };
    883. 

  883. Parser.prototype._parseGAMA = function (data) {
    884. 

  884.   this._crc.write(data);
    885. 

  885.   this.gamma(data.readUInt32BE(0) / constants.GAMMA_DIVISION);
    886. 

  886. &nbsp;
    887. 

  887.   this._handleChunkEnd();
    888. 

  888. };
    889. 

  889. &nbsp;
    890. 

  890. Parser.prototype._handleIDAT = function (length) {
    891. 

  891.   if (!this._emittedHeadersFinished) {
    892. 

  892.     this._emittedHeadersFinished = true;
    893. 

  893.     this.headersFinished();
    894. 

  894.   }
    895. 

  895.   this.read(-length, this._parseIDAT.bind(this, length));
    896. 

  896. };
    897. 

  897. Parser.prototype._parseIDAT = function (length, data) {
    898. 

  898.   this._crc.write(data);
    899. 

  899. &nbsp;
    900. 

  900.   <span class="missing-if-branch" title="if path not taken" >I</span>if (
    901. 

  901.     this._colorType === constants.COLORTYPE_PALETTE_COLOR &amp;&amp;
    902. 

  902.     this._palette.length === 0
    903. 

  903.   ) {
    904. 

  904. <span class="cstat-no" title="statement not covered" >    throw new Error("Expected palette not found");</span>
    905. 

  905.   }
    906. 

  906. &nbsp;
    907. 

  907.   this.inflateData(data);
    908. 

  908.   let leftOverLength = length - data.length;
    909. 

  909. &nbsp;
    910. 

  910.   if (leftOverLength &gt; 0) {
    911. 

  911.     this._handleIDAT(leftOverLength);
    912. 

  912.   } else {
    913. 

  913.     this._handleChunkEnd();
    914. 

  914.   }
    915. 

  915. };
    916. 

  916. &nbsp;
    917. 

  917. Parser.prototype._handleIEND = function (length) {
    918. 

  918.   this.read(length, this._parseIEND.bind(this));
    919. 

  919. };
    920. 

  920. Parser.prototype._parseIEND = function (data) {
    921. 

  921.   this._crc.write(data);
    922. 

  922. &nbsp;
    923. 

  923.   this._hasIEND = true;
    924. 

  924.   this._handleChunkEnd();
    925. 

  925. &nbsp;
    926. 

  926.   if (this.finished) {
    927. 

  927.     this.finished();
    928. 

  928.   }
    929. 

  929. };
    930. 

  930. &nbsp;</pre></td></tr></table></pre>
    931. 

  931. 

  932.                 <div class='push'></div><!-- for sticky footer -->
    933. 

  933.             </div><!-- /wrapper -->
    934. 

  934.             <div class='footer quiet pad2 space-top1 center small'>
    935. 

  935.                 Code coverage generated by
    936. 

  936.                 <a href="https://istanbul.js.org/" target="_blank">istanbul</a>
    937. 

  937.                 at Fri Apr 10 2020 13:53:16 GMT+0200 (Central European Summer Time)
    938. 

  938.             </div>
    939. 

  939.         </div>
    940. 

  940.         <script src="prettify.js"></script>
    941. 

  941.         <script>
    942. 

  942.             window.onload = function () {
    943. 

  943.                 prettyPrint();
    944. 

  944.             };
    945. 

  945.         </script>
    946. 

  946.         <script src="sorter.js"></script>
    947. 

  947.         <script src="block-navigation.js"></script>
    948. 

  948.     </body>
    949. 

  949. </html>
    950. 

  950.     
    951.