603 lines
21 KiB
JavaScript
603 lines
21 KiB
JavaScript
function ___stringToUint8Array(s) {
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var s = ""+s;
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var a = [];
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for (var i = 0; i < s.length; i++) {
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a.push(s.charCodeAt(i));
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}
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return new Uint8Array(a);
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}
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function ___uint8ArrayToString(a) {
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var s = [];
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for (var i = 0; i < a.length; i++) {
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s.push(String.fromCharCode(a[i]));
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}
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return s.join('');
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}
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function ___to_hex(s) {
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var s = String(s);
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var hex = ""
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for (var i = 0; i < s.length; i++) {
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hex += ___left_pad(s.charCodeAt(i).toString(16), '0', 2);
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}
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return hex;
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}
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// These three functions are accessible in the user scripts.
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sha1 = function(s) { return Sha1.hash(___to_hex(s), { msgFormat: 'hex-bytes', outFormat: 'hex' }); };
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deflate = function(s) { return ___uint8ArrayToString(pako.deflate(___stringToUint8Array(s))); }
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inflate = function(s) { return ___uint8ArrayToString(pako.inflate(___stringToUint8Array(s))); }
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var ___global_unique_id = 0
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function ___specialchars(str) {
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return String(str)
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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}
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function ___left_pad(s, char, len) {
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var s = ""+s;
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while (s.length < len) { s = char + s; }
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return s;
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}
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function ___to_hex_for_printf(s) {
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var s = String(s);
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var hex = ""
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for (var i = 0; i < s.length; i++) {
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var h = ___left_pad(s.charCodeAt(i).toString(16), '0', 2);
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hex += '<span class="hex-prefix">\\x<span class="hex">' + h + '</span></span>';
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}
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return '<span style="display: block;">' + hex + '</span>';
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}
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function ___specialchars_and_colour(s) {
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return s.replace(/[^-a-zA-Z0-9+_/!%$@.()':]/g, function (c) {
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switch (c) {
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case " ": return '<span class="space"> </span>'; break;
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case "\\": return '<span class="specialchar">\\\\</span>'; break;
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case "\0": return '<span class="specialchar newline">\\000</span>'; break;
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case "\r": return '<span class="specialchar">\\r</span>'; break;
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case "\n": return '<span class="specialchar newline">\\n</span>'; break;
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case "\t": return '<span class="specialchar">\\t</span>'; break;
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case '&': return '&'; break;
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case '<': return '<'; break;
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case '>': return '>'; break;
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case '"': return '"'; break;
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case "'": return '''; break;
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default: return '<span class="specialchar">\\x'+___left_pad(c.charCodeAt(0).toString(16), 0, 2)+'</span>'; break;
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}
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});
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}
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function ___getOffset(elt) {
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if (elt) {
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var o = ___getOffset(elt.offsetParent);
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return { left: elt.offsetLeft + o.left, top: elt.offsetTop + o.top };
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} else {
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return { left: 0, top: 0 };
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}
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}
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var global_current_hilite = { src: false, dests: [] };
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function ___hilite_off() {
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if (global_current_hilite.src) {
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global_current_hilite.src.classList.remove('hilite-src');
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}
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for (var d = 0; d < global_current_hilite.dests.length; d++) {
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global_current_hilite.dests[d].classList.remove('hilite-dest');
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}
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global_current_hilite = { src: false, dests: [] };
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document.getElementById('lines').innerHTML = '';
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}
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function ___hilite(src, dest) {
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___hilite_off();
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var src = document.getElementById(src);
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var wrapper = src;
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while (wrapper && !wrapper.classList.contains('hilite-wrapper')) { wrapper = wrapper.parentElement; }
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var dests = (wrapper || document).getElementsByClassName(dest);
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global_current_hilite = { src, dests };
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src.classList.add('hilite-src');
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var lines = document.getElementById('lines');
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lines.innerHTML = '';
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for (var d = 0; d < dests.length; d++) {
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dests[d].classList.add('hilite-dest');
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var osrc = ___getOffset(src);
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var tr = dests[d];
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while (tr !== null && tr.tagName.toLowerCase() != 'tr') { tr = tr.parentElement; }
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var otr = ___getOffset(tr);
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var l1 = document.createElement('div');
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lines.appendChild(l1);
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l1.style.position = 'absolute';
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var l2 = document.createElement('div');
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lines.appendChild(l2);
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l2.style.position = 'absolute';
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var l3 = document.createElement('div');
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lines.appendChild(l3);
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l3.style.position = 'absolute';
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var op = ___getOffset(l1.offsetParent);
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var xa = Math.floor(osrc.left - op.left + src.offsetWidth);
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var ya = Math.floor(osrc.top - op.top + src.offsetHeight / 2);
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var xb = Math.floor(otr.left - op.left + tr.offsetWidth);
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var yb = Math.floor(otr.top - op.top + tr.offsetHeight / 2);
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var x = Math.max(xa, xb) + (50 * (d+1));
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if (ya > yb) {
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var tmpx = xa;
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var tmpy = ya;
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xa = xb;
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ya = yb;
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xb = tmpx;
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yb = tmpy;
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}
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var p1 = { left: xa, top: ya };
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var p2 = { left: x, top: ya };
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var p3 = { left: x, top: yb };
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var p4 = { left: xb, top: yb };
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var thickness = 3;
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// line 1
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l1.style.width = p2.left-p1.left;
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l1.style.height = thickness + 'px';
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l1.style.backgroundColor = 'red';
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l1.style.top = p1.top;
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l1.style.left = p1.left;
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// line 2
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l2.style.width = thickness + 'px';
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l2.style.height = p3.top-p2.top + thickness;
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l2.style.backgroundColor = 'red';
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l2.style.top = p2.top;
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l2.style.left = p2.left;
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// line 3
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l3.style.width = p3.left-p4.left;
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l3.style.height = thickness+'px';
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l3.style.backgroundColor = 'red';
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l3.style.top = p4.top;
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l3.style.left = p4.left;
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}
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}
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function ___lolite(src, dest) {
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}
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function ___hex_hash(s) {
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var id = ___global_unique_id++;
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var hash = "object-hash-"+___to_hex(s.substr(0,20));
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return '<span id="'+id+'" class="hex-hash" onmouseover="___hilite('+id+',\''+hash+'\')" onmouseout="___lolite('+id+',\''+hash+'\')">'
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+ ___to_hex_for_printf(s.substr(0,10))
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+ ___to_hex_for_printf(s.substr(10,10))
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+ '</span>'
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+ ___specialchars_and_colour(s.substr(20) /* should be empty unless there's a bug */);
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}
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function ___specialchars_and_colour_and_hex(s) {
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if (s.substr(0,5) == "tree ") {
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var sp = s.split('\0');
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sp[0] = ___specialchars_and_colour(sp[0]);
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sp[1] = ___specialchars_and_colour(sp[1]);
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for (i = 2; i < sp.length; i++) {
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sp[i] = ___hex_hash(sp[i].substr(0,20))
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+ ___specialchars_and_colour(sp[i].substr(20));
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}
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return sp.join('<span class="specialchar newline">\\000</span>');
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} else if (/^[0-9a-f]{40}\n$/.test(s)) {
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var id=___global_unique_id++;
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var hash = "object-hash-"+s.substr(0,40);
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return '<span id="'+id+'" class="plain-hash-or-ref" onmouseover="___hilite('+id+',\''+hash+'\')" onmouseout="___lolite('+id+',\''+hash+'\')">'
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+ s.substr(0,40)
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+ '</span>'
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+ ___specialchars_and_colour(s.substr(40));
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} else if (/^ref: refs\/[^\n]*\n$/.test(s)) {
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var id=___global_unique_id++;
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var hash = "object-hash-"+s.substr(5, s.length-6);
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return s.substr(0,5)
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+ '<span id="'+id+'" class="plain-hash-or-ref" onmouseover="___hilite('+id+',\''+hash+'\')" onmouseout="___lolite('+id+',\''+hash+'\')">'
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+ ___specialchars_and_colour(s.substr(5, s.length-6))
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+ '</span>'
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+ ___specialchars_and_colour(s.substr(s.length-1));
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} else if(s.substr(0,4) == "DIRC") {
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var html = 'DIRC'; // magic
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var i = 4;
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var binary_span = function(bits) {
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var bytes = bits / 8;
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html += '<span class="newline">' + ___to_hex_for_printf(s.substr(i, bytes)) + '</span>';
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i += bytes;
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}
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binary_span(32); // version
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binary_span(32); // entries
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var entry_start = i;
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while (i + 20 < s.length) {
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binary_span(64); // ctime
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binary_span(64); // mtime
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binary_span(32); // device
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binary_span(32); // inode
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binary_span(32); // mode (stored as octal → binary)
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binary_span(32); // uid
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binary_span(32); // gid
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binary_span(32); // size
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html += ___hex_hash(s.substr(i, 20)); // hash
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i += 20;
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var length = s.substr(i, 2);
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length = length.charCodeAt(0) * 256 + length.charCodeAt(1);
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length &= 0xfff;
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binary_span(16); // 4 bits flags, 12 bits file length
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// file path until null
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html += ___specialchars_and_colour(s.substr(i, length));
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i += length;
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while (i < s.length && (i - entry_start) % 8 != 0) {
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// null bytes
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if (s.charCodeAt(i) == 0) {
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// as expected
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html += '<span class="specialchar">\\000</span>';
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} else {
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// there's a bug in this git index, display the hex chars as they come.
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html += ___specialchars_and_colour(s.substr(i, 1));
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}
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i++;
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}
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entry_start = i;
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}
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html += ___hex_hash(s.substr(i, 20)); // hash
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i += 20;
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html += ___specialchars_and_colour(s.substr(i)); // should be empty
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return html;
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} else if(s.substr(0,7) == "commit ") {
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var sz = s.split('\0');
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var sp = sz[1].split('\n');
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sz[0] = ___specialchars_and_colour(sz[0]);
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var i;
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for (i = 0; i < sp.length && sp[i] != ''; i++) {
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if (/(tree|parent) [0-9a-f]{40}/.test(sp[i])) {
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var prefix_len = sp[i].startsWith('tree ') ? 5 : 7;
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var id=___global_unique_id++;
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var hash = "object-hash-"+sp[i].substr(prefix_len);
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sp[i] = ___specialchars_and_colour(sp[i].substr(0,prefix_len))
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+ '<span id="'+id+'" class="plain-hash-or-ref" onmouseover="___hilite('+id+',\''+hash+'\')" onmouseout="___lolite('+id+',\''+hash+'\')">'
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+ sp[i].substr(prefix_len)
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+ '</span>';
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} else {
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sp[i] = ___specialchars_and_colour(sp[i]);
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}
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}
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for (; i < sp.length; i++) {
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sp[i] = ___specialchars_and_colour(sp[i]);
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}
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var sp_joined = sp.join('<span class="specialchar newline">\\n</span>');
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return [sz[0], sp_joined].join('<span class="specialchar newline">\\000</span>');
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} else {
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return ___specialchars_and_colour(s);
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}
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}
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function ___specialchars_and_colour_and_hex_and_zlib(s) {
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try {
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var inflated = pako.inflate(___stringToUint8Array(s));
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} catch(e) {
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var inflated = false;
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}
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if (inflated) {
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var id=___global_unique_id++;
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return '<span class="deflate-toggle" onClick="___deflated_click('+id+')">'
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+ '<span id="deflated'+id+'-pretty">'
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+ '<span class="deflated">deflated:</span>'
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+ ___specialchars_and_colour_and_hex(___uint8ArrayToString(inflated))
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+ '</span>'
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+ '<span id="deflated'+id+'-raw" style="display:none">'
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+ ___specialchars_and_colour_and_hex(s)
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+ '</span>'
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+ '</span>';
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} else {
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return ___specialchars_and_colour_and_hex(s);
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}
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}
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function ___bytestring_to_printf(bs, trailing_x) {
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return 'printf ' + bs.replace(/[^a-zA-Z0-9_]/g, function(c) {
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return '\\\\x' + ___left_pad(c.charCodeAt(0).toString(16), 0, 2);
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}) + (trailing_x ? 'x' : '');
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}
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function ___filesystem_to_printf(fs) {
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var entries = Object.entries(fs)
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.map(function (x) {
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if (x[1] === null) {
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return 'd="$('+___bytestring_to_printf(x[0], true)+')"; mkdir "${d%x}";';
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} else {
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return 'f="$('+___bytestring_to_printf(x[0], true)+')"; '+___bytestring_to_printf(x[1], false)+' > "${f%x}";';
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}
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})
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// directories start with 'd' which sorts before 'f'
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.sort((a,b) => a[0] < b[0] ? -1 : (a[0] > b[0] ? 1 : 0));
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return entries.join(' ');
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}
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function ___deflated_click(id) {
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___hilite_off();
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if (document.getElementById('deflated'+id+'-pretty').style.display != "none") {
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document.getElementById('deflated'+id+'-pretty').style.display = "none";
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document.getElementById('deflated'+id+'-raw').style.display = '';
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} else {
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document.getElementById('deflated'+id+'-pretty').style.display = '';
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document.getElementById('deflated'+id+'-raw').style.display = "none";
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}
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}
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function ___format_filepath(x) {
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var sp = x.split('/');
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if (sp.length > 3 && sp[sp.length-3] == 'objects' && /^[0-9a-f]{2}$/.test(sp[sp.length-2]) && /^[0-9a-f]{38}$/.test(sp[sp.length-1])) {
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return sp.slice(0, sp.length-2).map(___specialchars_and_colour).join('/')+(sp.length > 2 ? '/' : '')
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+ '<span class="object-hash object-hash-'+sp.slice(sp.length-2).join('')+'">'
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+ sp.slice(sp.length-2).map(___specialchars_and_colour).join('/')
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+ "</span>";
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} else if (sp.length > 1 && sp.indexOf('refs') >= 0 && sp.length > sp.indexOf('refs') + 1) {
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var refs_idx = sp.indexOf('refs');
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return sp.slice(0, refs_idx).map(___specialchars_and_colour).join('/')+'/'
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+ '<span class="object-hash object-hash-'+sp.slice(refs_idx).join('/')+'">'//TODO
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+ sp.slice(refs_idx).map(___specialchars_and_colour).join('/')
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+ "</span>";
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} else {
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return ___specialchars_and_colour(x);
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}
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}
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function ___format_entry(x) {
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return '<tr><td class="cell-path"><code>'
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+ ___format_filepath(x[0])
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+ '</code></td><td class="cell-contents">'
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+ (x[1] === null
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? '<span class="directory">Directory</span>'
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: ("<code>" + ___specialchars_and_colour_and_hex_and_zlib(x[1]) + "</code>"))
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+ "</td></tr>";
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}
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function ___filesystem_to_string(fs) {
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var entries = Object.entries(fs)
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.sort((a,b) => a[0] < b[0] ? -1 : (a[0] > b[0] ? 1 : 0))
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.map(___format_entry);
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var id = ___global_unique_id++;
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return '<div class="hilite-wrapper">Filesystem contents: ' + entries.length + " files and directories. "
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+ '<a href="javascript: ___copyprintf_click(\'elem-'+id+'\');">'
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+ "Copy commands to recreate in *nix terminal"
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+ "</a>."
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+ "<br />"
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+ '<textarea id="elem-'+id+'" disabled="disabled" style="display:none">'
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+ ___specialchars(___filesystem_to_printf(fs) || 'echo "Empty filesystem."')
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+ '</textarea>'
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+ "<table><thead><tr><th>Path</th><th>Contents</th></tr></thead><tbody>" + entries.join('') + "</tbody></table></div>";
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}
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function ___textarea_value(elem) {
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if (elem.getValue) {
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return elem.getValue();
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} else {
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return elem.value;
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}
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}
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function ___copyprintf_click(id) {
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___hilite_off();
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var elem = document.getElementById(id);
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if (elem.style.display != "none") {
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elem.style.display = "none";
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} else {
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elem.style.display = '';
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elem.focus();
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elem.disabled = false;
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elem.select();
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elem.setSelectionRange(0, elem.value.length * 10); // for mobile devices?
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document.execCommand('copy');
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elem.disabled = true;
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}
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}
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var global_filesystem=false;
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function ___git_eval(current) {
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document.getElementById('hide-eval-' + current).style.display = '';
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var script = '';
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for (i = 0; i <= current; i++) {
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script += ___textarea_value(___global_editors[i]);
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}
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script += "\n document.getElementById('out' + current).innerHTML = ___filesystem_to_string(filesystem); filesystem;";
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try {
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global_filesystem = eval(script);
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} catch (e) {
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var error = ___specialchars("" + e + "\n\n" + e.stack);
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document.getElementById('out' + current).innerHTML = '<pre class="error">' + error + '</pre>';
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}
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}
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function ___level(s) {
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if (s) {
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return (s.tagName == 'SECTION' ? 1 : 0) + ___level(s.parentElement);
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} else {
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return 0;
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}
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}
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function ___process_elements() {
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var sections = document.getElementsByTagName('section');
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var stack = [[]];
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var previousLevel = 1;
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for (var i = 0; i < sections.length; i++) {
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var level = ___level(sections[i]);
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while (level < previousLevel) {
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var p = stack.pop();
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previousLevel--;
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}
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while (level > previousLevel) {
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|
var top_of_stack = stack[stack.length-1];
|
|
stack.push(top_of_stack[top_of_stack.length-1].subsections);
|
|
previousLevel++;
|
|
}
|
|
stack[stack.length-1].push({ s: sections[i], subsections: [] });
|
|
}
|
|
var nested = stack[0];
|
|
document.getElementById('toc').appendChild(___sections_to_html(nested));
|
|
}
|
|
function ___sections_to_html(sections) {
|
|
var ol = document.createElement('ol');
|
|
for (var i = 0; i < sections.length; i++) {
|
|
var li = document.createElement('li');
|
|
ol.appendChild(li);
|
|
var headers = sections[i].s.getElementsByTagName('h1');
|
|
console.assert(!headers || headers.length >= 1)
|
|
var target = sections[i].s.getAttribute('id');
|
|
var a = document.createElement('a');
|
|
li.appendChild(a);
|
|
a.innerHTML = headers[0].innerHTML;
|
|
if (target) { a.setAttribute('href', '#' + target); }
|
|
if (target) {
|
|
var a2 = document.createElement('a');
|
|
___insertAfter(a2, headers[0]);
|
|
a2.className = "permalink"
|
|
a2.setAttribute('href', '#' + target);
|
|
a2.innerText = "🔗"
|
|
}
|
|
li.appendChild(___functions_to_html(sections[i].s));
|
|
li.appendChild(___sections_to_html(sections[i].subsections));
|
|
}
|
|
return ol;
|
|
}
|
|
function ___insertAfter(elt, ref) {
|
|
ref.parentElement.insertBefore(elt, ref.nextSibling);
|
|
}
|
|
function ___ancestor(elem, tag) {
|
|
if (! elem) {
|
|
return false;
|
|
}
|
|
if (elem.tagName.toLowerCase() == tag) {
|
|
return elem;
|
|
}
|
|
return ___ancestor(elem.parentElement, tag);
|
|
}
|
|
var ___global_editors = [];
|
|
function ___functions_to_html(section) {
|
|
var ul = document.createElement('ul');
|
|
var ta = section.getElementsByTagName('textarea');
|
|
for (var j = 0; j < ta.length; j++) {
|
|
if (___ancestor(ta[j], 'section') == section) {
|
|
var lines = ta[j].value.split('\n');
|
|
|
|
var ret = ___toCodeMirror(ta[j]);
|
|
var editor = ret.editor;
|
|
var editor_id = ret.editor_id;
|
|
|
|
editor.on('keydown', ___clearScrolledToLine);
|
|
|
|
for (var i = 0; i < lines.length; i++) {
|
|
var text = false;
|
|
|
|
var fun = lines[i].match(/^function\s+([a-zA-Z_][a-zA-Z0-9_]*)/);
|
|
if (fun) { text = fun[1] + '()'; }
|
|
var v = lines[i].match(/^var\s+([a-zA-Z_][a-zA-Z0-9_]*)\s*=/);
|
|
if (v) { text = v[1]; }
|
|
|
|
if (text) {
|
|
var li = document.createElement('li');
|
|
var a = document.createElement('a');
|
|
a.setAttribute('href', 'javascript: ___scrollToLine(___global_editors['+(editor_id)+'], '+i+'); void(0);');
|
|
var code = document.createElement('code');
|
|
code.innerText = text;
|
|
a.appendChild(code);
|
|
li.appendChild(a);
|
|
ul.appendChild(li);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ul;
|
|
}
|
|
var ___global_current_highlighted_editor_and_line = false;
|
|
function ___clearScrolledToLine() {
|
|
var current = ___global_current_highlighted_editor_and_line;
|
|
if (current) {
|
|
current.editor.removeLineClass(current.line, 'background', 'scrolled-to-line');
|
|
}
|
|
___global_current_highlighted_editor_and_line = false;
|
|
}
|
|
function ___scrollToLine(editor, line) {
|
|
___clearScrolledToLine();
|
|
___global_current_highlighted_editor_and_line = { editor: editor, line: line };
|
|
|
|
editor.addLineClass(line, 'background', 'scrolled-to-line');
|
|
|
|
var editorOffset = ___getOffset(editor.getScrollerElement()).top;
|
|
var lineOffset = editor.charCoords({line: line, ch: 0}, "local").top;
|
|
document.body.scrollTo(0, editorOffset + lineOffset - window.innerHeight/2);
|
|
}
|
|
function ___toCodeMirror(ta) {
|
|
var editor = CodeMirror.fromTextArea(ta, {
|
|
mode: 'javascript',
|
|
lineNumbers: true,
|
|
viewportMargin: Infinity
|
|
});
|
|
var id = ta.getAttribute('id');
|
|
ta.remove();
|
|
var wrapper = editor.getWrapperElement();
|
|
wrapper.setAttribute('id', id);
|
|
|
|
var editor_id = ___global_editors.length;
|
|
___global_editors[editor_id] = editor;
|
|
|
|
var eval_button = document.createElement('input');
|
|
eval_button.setAttribute('type', 'button');
|
|
eval_button.setAttribute('value', 'eval');
|
|
eval_button.setAttribute('onclick', '___git_eval('+editor_id+')');
|
|
___insertAfter(eval_button, wrapper);
|
|
|
|
var hide_eval_button = document.createElement('input');
|
|
hide_eval_button.setAttribute('id', 'hide-eval-' + editor_id);
|
|
hide_eval_button.setAttribute('type', 'button');
|
|
hide_eval_button.setAttribute('value', 'hide output');
|
|
hide_eval_button.setAttribute('onclick', '___hide_eval('+editor_id+')');
|
|
hide_eval_button.style.display = 'none';
|
|
___insertAfter(hide_eval_button, eval_button);
|
|
|
|
var out_div = document.createElement('div');
|
|
out_div.setAttribute('id', 'out' + editor_id);
|
|
___insertAfter(out_div, hide_eval_button);
|
|
|
|
return { editor: editor, editor_id: editor_id };
|
|
}
|
|
function ___hide_eval(editor_id) {
|
|
document.getElementById('out' + editor_id).innerHTML = '';
|
|
document.getElementById('hide-eval-' + editor_id).style.display = 'none';
|
|
___hilite_off();
|
|
}
|
|
function ___get_all_code() {
|
|
var all = '';
|
|
for (var i = 0; i < ___global_editors.length; i++) {
|
|
var val = ___global_editors[i].getValue()
|
|
all += val + (val.endsWith('\n') ? '' : '\n') + (val.endsWith('\n\n') ? '' : '\n');
|
|
}
|
|
return all.substr(0, all.length-1/*remove last newline in the last \n\n*/);
|
|
}
|
|
function ___copy_all_code() {
|
|
var elem = document.getElementById('copy-all-code');
|
|
if (elem.style.display != "none") {
|
|
elem.style.display = "none";
|
|
} else {
|
|
elem.style.display = '';
|
|
var elem2 = document.createElement('textarea');
|
|
elem.innerHTML = '';
|
|
elem.appendChild(elem2);
|
|
var all_code = ___get_all_code();
|
|
elem2.value = all_code
|
|
elem2.focus();
|
|
elem2.disabled = false;
|
|
elem2.select();
|
|
elem2.setSelectionRange(0, elem2.value.length * 10); // for mobile devices?
|
|
document.execCommand('copy');
|
|
elem2.disabled = true;
|
|
}
|
|
}
|
|
___process_elements();
|
|
|
|
function ___loc_count() {
|
|
var srclines = ___get_all_code().split('\n');
|
|
var lcv = srclines.filter(function (l) { return ! (/^(\s*}?)?$/.test(l)); }).length
|
|
var lc = document.getElementsByClassName('loc-count');
|
|
for (var i = 0; i < lc.length; i++) {
|
|
lc[i].innerText = lcv;
|
|
}
|
|
var lctv = srclines.length;
|
|
var lct = document.getElementsByClassName('loc-count-total');
|
|
for (var i = 0; i < lct.length; i++) {
|
|
lct[i].innerText = lctv;
|
|
}
|
|
}
|
|
___loc_count(); |