| 1 | /* |
| 2 | |
| 3 | Do syntax highlighting on every textarea inside of a "codeview" element |
| 4 | |
| 5 | The content of textareas are URLs, not code! |
| 6 | |
| 7 | */ |
| 8 | var viewSource = function () { |
| 9 | var filename = location.hash; |
| 10 | if (!filename) { |
| 11 | filename = location.hash = "view-source/view-source.js"; |
| 12 | } |
| 13 | filename = lstrip(filename, "#"); |
| 14 | var href = "../" + filename; |
| 15 | replaceChildNodes("filename", "loading ", A({"href": href}, filename)); |
| 16 | replaceChildNodes("code", href); |
| 17 | ext = filename.split(".").pop(); |
| 18 | var classes = { |
| 19 | "html": "xml", |
| 20 | "js": "javascript", |
| 21 | "json": "javascript", |
| 22 | "xml": "xml" |
| 23 | }; |
| 24 | updateNodeAttributes("code", {"class": classes[ext]}); |
| 25 | syntaxHighlight(filename); |
| 26 | }; |
| 27 | |
| 28 | var syntaxHighlight = function (filename) { |
| 29 | var swapContents = function (dest, req) { |
| 30 | replaceChildNodes(dest, req.responseText); |
| 31 | }; |
| 32 | |
| 33 | var showParsing = function () { |
| 34 | replaceChildNodes("filename", |
| 35 | "parsing ", |
| 36 | A({"href": "../" + filename}, filename) |
| 37 | ); |
| 38 | return wait(0); |
| 39 | }; |
| 40 | |
| 41 | var finishSyntaxHighlight = function () { |
| 42 | dp.sh.HighlightAll("code", true, true, false); |
| 43 | replaceChildNodes("filename", A({"href": "../" + filename}, filename)); |
| 44 | removeElementClass("codeview", "invisible"); |
| 45 | }; |
| 46 | |
| 47 | var elems = getElementsByTagAndClassName("textarea", null, "codeview"); |
| 48 | var dl = new Deferred(); |
| 49 | var deferredCount = 0; |
| 50 | var checkDeferredList = function () { |
| 51 | deferredCount -= 1; |
| 52 | if (!deferredCount) { |
| 53 | dl.callback(); |
| 54 | } |
| 55 | }; |
| 56 | for (var i = 0; i < elems.length; i++) { |
| 57 | var elem = elems[i]; |
| 58 | if (elem.name != "code") { |
| 59 | continue; |
| 60 | } |
| 61 | var url = strip(scrapeText(elem)) |
| 62 | var d = doXHR(url).addCallback( |
| 63 | partial(swapContents, elem) |
| 64 | ); |
| 65 | deferredCount += 1; |
| 66 | d.addCallback(checkDeferredList); |
| 67 | } |
| 68 | dl.addCallback(showParsing); |
| 69 | dl.addCallback(finishSyntaxHighlight); |
| 70 | }; |