315 lines
110 KiB
XML
315 lines
110 KiB
XML
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<svg width="1200" height="1078" onload="init(evt)" viewBox="0 0 1200 1078" xmlns="http://www.w3.org/2000/svg"><defs><linearGradient id="background" y2="1" x2="0"><stop stop-color="#eee" offset="5%"/><stop stop-color="#eeeeb0" offset="95%"/></linearGradient></defs><style>.func_g:hover{stroke:#000;stroke-width:.5;cursor:pointer}</style><script type="text/ecmascript"><![CDATA[
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var details, searchbtn, matchedtxt, svg;
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function init(evt) {
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details = document.getElementById("details").firstChild;
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searchbtn = document.getElementById("search");
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matchedtxt = document.getElementById("matched");
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svg = document.getElementsByTagName("svg")[0];
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searching = 0;
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}
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// mouse-over for info
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function s(node) { // show
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info = g_to_text(node);
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details.nodeValue = "Function: " + info;
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}
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function c() { // clear
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details.nodeValue = ' ';
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}
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// ctrl-F for search
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window.addEventListener("keydown",function (e) {
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if (e.keyCode === 114 || (e.ctrlKey && e.keyCode === 70)) {
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e.preventDefault();
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search_prompt();
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}
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})
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// functions
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function find_child(parent, name, attr) {
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var children = parent.childNodes;
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for (var i=0; i<children.length;i++) {
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if (children[i].tagName == name)
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return (attr != undefined) ? children[i].attributes[attr].value : children[i];
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}
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return;
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}
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function orig_save(e, attr, val) {
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if (e.attributes["_orig_"+attr] != undefined) return;
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if (e.attributes[attr] == undefined) return;
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if (val == undefined) val = e.attributes[attr].value;
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e.setAttribute("_orig_"+attr, val);
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}
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function orig_load(e, attr) {
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if (e.attributes["_orig_"+attr] == undefined) return;
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e.attributes[attr].value = e.attributes["_orig_"+attr].value;
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e.removeAttribute("_orig_"+attr);
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}
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function g_to_text(e) {
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var text = find_child(e, "title").firstChild.nodeValue;
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return (text)
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}
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function g_to_func(e) {
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var func = g_to_text(e);
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// if there's any manipulation we want to do to the function
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// name before it's searched, do it here before returning.
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return (func);
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}
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function update_text(e) {
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var r = find_child(e, "rect");
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var t = find_child(e, "text");
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var w = parseFloat(r.attributes["width"].value) -3;
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var txt = find_child(e, "title").textContent.replace(/\([^(]*\)$/,"");
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t.attributes["x"].value = parseFloat(r.attributes["x"].value) +3;
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// Smaller than this size won't fit anything
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if (w < 2*12*0.59) {
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t.textContent = "";
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return;
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}
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t.textContent = txt;
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// Fit in full text width
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if (/^ *$/.test(txt) || t.getSubStringLength(0, txt.length) < w)
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return;
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for (var x=txt.length-2; x>0; x--) {
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if (t.getSubStringLength(0, x+2) <= w) {
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t.textContent = txt.substring(0,x) + "..";
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return;
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}
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}
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t.textContent = "";
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}
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// zoom
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function zoom_reset(e) {
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if (e.attributes != undefined) {
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orig_load(e, "x");
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orig_load(e, "width");
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}
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if (e.childNodes == undefined) return;
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for(var i=0, c=e.childNodes; i<c.length; i++) {
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zoom_reset(c[i]);
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}
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}
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function zoom_child(e, x, ratio) {
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if (e.attributes != undefined) {
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if (e.attributes["x"] != undefined) {
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orig_save(e, "x");
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e.attributes["x"].value = (parseFloat(e.attributes["x"].value) - x - 10) * ratio + 10;
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if(e.tagName == "text") e.attributes["x"].value = find_child(e.parentNode, "rect", "x") + 3;
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}
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if (e.attributes["width"] != undefined) {
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orig_save(e, "width");
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e.attributes["width"].value = parseFloat(e.attributes["width"].value) * ratio;
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}
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}
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if (e.childNodes == undefined) return;
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for(var i=0, c=e.childNodes; i<c.length; i++) {
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zoom_child(c[i], x-10, ratio);
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}
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}
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function zoom_parent(e) {
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if (e.attributes) {
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if (e.attributes["x"] != undefined) {
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orig_save(e, "x");
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e.attributes["x"].value = 10;
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}
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if (e.attributes["width"] != undefined) {
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orig_save(e, "width");
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e.attributes["width"].value = parseInt(svg.width.baseVal.value) - (10*2);
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}
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}
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if (e.childNodes == undefined) return;
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for(var i=0, c=e.childNodes; i<c.length; i++) {
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zoom_parent(c[i]);
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}
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}
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function zoom(node) {
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var attr = find_child(node, "rect").attributes;
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var width = parseFloat(attr["width"].value);
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var xmin = parseFloat(attr["x"].value);
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var xmax = parseFloat(xmin + width);
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var ymin = parseFloat(attr["y"].value);
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var ratio = (svg.width.baseVal.value - 2*10) / width;
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// XXX: Workaround for JavaScript float issues (fix me)
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var fudge = 0.0001;
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var unzoombtn = document.getElementById("unzoom");
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unzoombtn.style["opacity"] = "1.0";
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var el = document.getElementsByTagName("g");
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for(var i=0;i<el.length;i++){
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var e = el[i];
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var a = find_child(e, "rect").attributes;
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var ex = parseFloat(a["x"].value);
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var ew = parseFloat(a["width"].value);
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// Is it an ancestor
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if (0 == 0) {
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var upstack = parseFloat(a["y"].value) > ymin;
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} else {
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var upstack = parseFloat(a["y"].value) < ymin;
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}
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if (upstack) {
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// Direct ancestor
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if (ex <= xmin && (ex+ew+fudge) >= xmax) {
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e.style["opacity"] = "0.5";
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zoom_parent(e);
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e.onclick = function(e){unzoom(); zoom(this);};
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update_text(e);
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}
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// not in current path
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else
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e.style["display"] = "none";
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}
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// Children maybe
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else {
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// no common path
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if (ex < xmin || ex + fudge >= xmax) {
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e.style["display"] = "none";
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}
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else {
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zoom_child(e, xmin, ratio);
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e.onclick = function(e){zoom(this);};
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update_text(e);
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}
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}
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}
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}
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function unzoom() {
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var unzoombtn = document.getElementById("unzoom");
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unzoombtn.style["opacity"] = "0.0";
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var el = document.getElementsByTagName("g");
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for(i=0;i<el.length;i++) {
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el[i].style["display"] = "block";
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el[i].style["opacity"] = "1";
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zoom_reset(el[i]);
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update_text(el[i]);
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}
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}
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// search
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function reset_search() {
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var el = document.getElementsByTagName("rect");
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for (var i=0; i < el.length; i++) {
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orig_load(el[i], "fill")
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}
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}
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function search_prompt() {
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if (!searching) {
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var term = prompt("Enter a search term (regexp " +
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"allowed, eg: ^ext4_)", "");
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if (term != null) {
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search(term)
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}
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} else {
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reset_search();
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searching = 0;
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searchbtn.style["opacity"] = "0.1";
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searchbtn.firstChild.nodeValue = "Search"
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matchedtxt.style["opacity"] = "0.0";
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matchedtxt.firstChild.nodeValue = ""
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}
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}
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function search(term) {
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var re = new RegExp(term);
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var el = document.getElementsByTagName("g");
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var matches = new Object();
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var maxwidth = 0;
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for (var i = 0; i < el.length; i++) {
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var e = el[i];
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if (e.attributes["class"].value != "func_g")
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continue;
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var func = g_to_func(e);
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var rect = find_child(e, "rect");
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if (rect == null) {
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// the rect might be wrapped in an anchor
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// if nameattr href is being used
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if (rect = find_child(e, "a")) {
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rect = find_child(r, "rect");
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}
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}
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if (func == null || rect == null)
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continue;
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// Save max width. Only works as we have a root frame
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var w = parseFloat(rect.attributes["width"].value);
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if (w > maxwidth)
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maxwidth = w;
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if (func.match(re)) {
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// highlight
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var x = parseFloat(rect.attributes["x"].value);
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orig_save(rect, "fill");
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rect.attributes["fill"].value =
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"rgb(230,0,230)";
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// remember matches
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if (matches[x] == undefined) {
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matches[x] = w;
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} else {
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if (w > matches[x]) {
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// overwrite with parent
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matches[x] = w;
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}
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}
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searching = 1;
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}
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}
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if (!searching)
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return;
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searchbtn.style["opacity"] = "1.0";
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searchbtn.firstChild.nodeValue = "Reset Search"
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// calculate percent matched, excluding vertical overlap
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var count = 0;
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var lastx = -1;
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var lastw = 0;
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var keys = Array();
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for (k in matches) {
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if (matches.hasOwnProperty(k))
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keys.push(k);
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}
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// sort the matched frames by their x location
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// ascending, then width descending
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keys.sort(function(a, b){
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return a - b;
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});
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// Step through frames saving only the biggest bottom-up frames
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// thanks to the sort order. This relies on the tree property
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// where children are always smaller than their parents.
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var fudge = 0.0001; // JavaScript floating point
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for (var k in keys) {
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var x = parseFloat(keys[k]);
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var w = matches[keys[k]];
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if (x >= lastx + lastw - fudge) {
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count += w;
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lastx = x;
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lastw = w;
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}
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}
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// display matched percent
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matchedtxt.style["opacity"] = "1.0";
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pct = 100 * count / maxwidth;
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if (pct == 100)
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pct = "100"
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else
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pct = pct.toFixed(1)
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matchedtxt.firstChild.nodeValue = "Matched: " + pct + "%";
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}
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function searchover(e) {
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searchbtn.style["opacity"] = "1.0";
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}
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function searchout(e) {
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if (searching) {
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searchbtn.style["opacity"] = "1.0";
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} else {
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searchbtn.style["opacity"] = "0.1";
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}
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}
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