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cgi.js
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cgi.js
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function encodeForm(form){
var res = "";
var x = form.getElementsByTagName("textarea");
for (var i=0;i<x.length;i++)
res += "&" + encodeURIComponent(x[i].name) + "=" + encodeURIComponent(x[i].value);
var x = form.getElementsByTagName("select");
for (var i=0;i<x.length;i++)
res += "&" + encodeURIComponent(x[i].name) + "=" + encodeURIComponent(x[i].value);
x = form.getElementsByTagName("input");
for (var i=0;i<x.length;i++)
if (x[i].type == "text") res += "&" + encodeURIComponent(x[i].name) + "=" + encodeURIComponent(x[i].value);
else if (x[i].type == "checkbox" || x[i].type == "radio")
if (x[i].checked) res += "&" + encodeURIComponent(x[i].name) + "=" + encodeURIComponent(x[i].value);
return res;
}
var lastFormEncoding = "";
function sendForm(form, callback){
//var fd = new FormData(form);
//fd.append("raw", "true");
var req = new XMLHttpRequest();
req.open("POST", form.action);
req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
if (callback)
req.onreadystatechange = function(){
if (req.readyState!=4) return;
if (req.status==200) callback(req.responseText, req); /*else alert("request failed: "+message+", "+data+"\n => "+req.status+" "+req.responseText); */
}
lastFormEncoding = encodeForm(form);
req.send("raw=true"+lastFormEncoding);
}
var lastCallTime;
var changed = false;
var lastQueryEditMode = "xpath";
function updateNow(calltime, codemirror) {
if (lastCallTime > calltime) return; //alert(calltime);
// if (codemirror && codemirror.save) { alert("save test"); codemirror.save();} //did not work. Another update overriding this?
sendForm(document.getElementsByTagName("form")[0], function(answer, request){
if (window.outputMirror) window.outputMirror.setValue(answer);
else document.getElementById("result").value = answer;
document.getElementById("permalink").href = "https://videlibri.de/cgi-bin/xidelcgi?"+lastFormEncoding;
document.getElementById("rawpermalink").href = "https://videlibri.de/cgi-bin/xidelcgi?raw=true"+lastFormEncoding;
lastQueryEditMode = request.getResponseHeader("Xidel-Detected-Extraction-Kind");
setRealEditMode();
});
}
function update(codemirror){
if (document.getElementsByName("no-auto-update")[0].checked) return;
(function (boundTime){
lastCallTime = boundTime;
setTimeout(function () {updateNow(boundTime, codemirror); }, 500);
}) (new Date().getTime());
}
var editMode = "auto";
var realEditMode = "auto";
function changeexample(examplename, example){
examplename = examplename.toLowerCase();
if (examplename.indexOf("template") >= 0) editMode = "template";
else if (examplename.indexOf("xpath") >= 0) editMode = "xpath";
else if (examplename.indexOf("xquery") >= 0) editMode = "xquery";
else if (examplename.indexOf("css") >= 0) editMode = "css";
else editMode="auto";
setRealEditMode();
if (changed) return;
document.getElementsByName("extract")[0].value = example;
if (window.extractCodeMirror)
window.extractCodeMirror.setValue(example);
changed = false;
}
function setRealEditMode(){
if (editMode == "auto") realEditMode = /[a-zA-Z-]*/.exec(lastQueryEditMode)[0];
else realEditMode = editMode;
function addjsoniq(){return (document.getElementsByName("no-json")[0].checked ? "" : "+jsoniq")}
if (window.extractCodeMirror) {
if (realEditMode == "auto" || realEditMode == "") {
realEditMode = "xquery";
var temp = window.extractCodeMirror.getLine(0);
var i = 0; while (temp == "" && i < window.extractCodeMirror.lineCount()) { i+=1; temp = window.extractCodeMirror.getLine(i); }
for (i = 0; i < temp.length; i++) {
if (temp.charAt(i) != " " && temp.charAt(i) != "\t") {
if (temp.charAt(i) == "<") realEditMode = "template";
else if (temp.charAt(i) == "#" || temp.charAt(i) == ".") realEditMode = "css";
else realEditMode = "xquery";
break;
}
}
}
if (realEditMode == "template" || realEditMode == "html-pattern" || realEditMode == "xml-pattern") window.extractCodeMirror.setOption("mode", "xquery" + addjsoniq())
else if (realEditMode == "css") window.extractCodeMirror.setOption("mode", "css");
else window.extractCodeMirror.setOption("mode", realEditMode + addjsoniq());
}
}
function init(){
var form = document.getElementsByTagName("form")[0];
var x = form.getElementsByTagName("input");
for (var i=0;i<x.length;i++) x[i].onchange = update;
var x = form.getElementsByTagName("select");
for (var i=0;i<x.length;i++) x[i].onchange = update;
var x = form.getElementsByTagName("textarea");
for (var i=0;i<x.length;i++)
x[i].onkeyup = (function(_i){ return function(event){
var key = event.keyCode ? event.keyCode : event.charCode;
if (!(key >= 16 && key <= 18 /*ShiftCtrlAlt*/ ) && !(key >= 33 && key <= 45 /* e.g. arrows */)) {
if (_i == 1) changed = true;
update();
}}})(i);
var compatSelect = document.getElementsByName("compatibility")[0];
compatSelect.onchange = function(){
if (compatSelect.selectedIndex < 3) {
var temp = compatibilityOn[compatSelect.selectedIndex].split(";");
for (var i=0;i<temp.length;i++) $("input[name="+temp[i]+"]").prop('checked', true);
var temp = compatibilityOff[compatSelect.selectedIndex].split(";");
for (var i=0;i<temp.length;i++) $("input[name="+temp[i]+"]").prop('checked', false);
var temp = compatibilityChange[compatSelect.selectedIndex].split(";");
for (var i=0;i<temp.length;i++) $("select[name="+temp[i].split("=")[0]+"]").val(temp[i].split("=")[1]);
$("#compatibilityOptions").hide();
} else $("#compatibilityOptions").show();
update();
}
};
function transformTextArea(x, autoupdate){
var myCodeMirror = CodeMirror.fromTextArea(x, {
lineNumbers: true,
});
myCodeMirror.xxxThisIsACodeMirror = true;
myCodeMirror.setSize($(x).width(), $(x).height());
$('.CodeMirror').resizable({
resize: function() {
editor.setSize($(this).width(), $(this).height());
}
});
return myCodeMirror;
}
var codeMirrorsWereActivated = false;
toggleInitialized = false;
function activateCodeMirrors(){
var compatSelect = document.getElementsByName("compatibility")[0];
if (compatSelect.selectedIndex < 3) $("#compatibilityOptions").hide();
if (window.extractCodeMirror) return;
var toggle = document.getElementsByName("no-highlighting")[0];
if (!toggleInitialized) {
toggle.addEventListener("change", function(){
if (toggle.checked) deactivateCodeMirrors();
else activateCodeMirrors();
});
//toggle.parentNode.style.display = "inline";
toggleInitialized = true;
}
if (toggle.checked) return;
window.extractCodeMirror = transformTextArea(document.getElementsByName("extract")[0]);
window.extractCodeMirror.on("change", function(){ changed=true; window.extractCodeMirror.save(); update(window.extractCodeMirror);});
if (!codeMirrorsWereActivated)
document.getElementsByName("no-json")[0].addEventListener("change", setRealEditMode);
setRealEditMode();
window.inputMirror = transformTextArea(document.getElementsByName("data")[0], true);
window.inputMirror.on("change", function(){window.inputMirror.save(); update(window.inputMirror);});
function inputChanged(){
var inputformat = document.getElementsByName("input-format")[0].value;
if (inputformat == "auto") {
if (inputMirror.getLine(0).indexOf("<html>") >= 0 || inputMirror.getLine(1).indexOf("<html>") >= 0)
inputformat = "html";
else
inputformat = "xml";
}
if (inputformat == "html")
window.inputMirror.setOption("mode", "htmlmixed");
else
window.inputMirror.setOption("mode", "xml");
}
if (extractCodeMirror.getWrapperElement().offsetWidth + inputMirror.getWrapperElement().offsetWidth + 20 > document.body.offsetWidth) {
var w = (document.body.offsetWidth - 30) / 2;
extractCodeMirror.setSize(w, null);
inputMirror.setSize(w, null);
}
inputChanged();
window.inputMirror.on("change", inputChanged);
if (!codeMirrorsWereActivated)
document.getElementsByName("input-format")[0].addEventListener("change", inputChanged);
window.outputMirror = transformTextArea(document.getElementById("result"));
function outputChanged(){
var outputformat = document.getElementsByName("output-format")[0].value;
if (outputformat == "html") window.outputMirror.setOption("mode", "htmlmixed");
else if (outputformat == "xml" || outputformat == "xml-wrapped") window.outputMirror.setOption("mode", "xml");
else if (outputformat == "json-wrapped") window.outputMirror.setOption("mode", "javascript");
else if (document.getElementsByName("printed-node-format")[0].value == "xml") window.outputMirror.setOption("mode", "xml");
else if (document.getElementsByName("printed-node-format")[0].value == "html") window.outputMirror.setOption("mode", "htmlmixed");
else window.outputMirror.setOption("mode", "none");
}
if (!codeMirrorsWereActivated) {
document.getElementsByName("output-format")[0].addEventListener("change", outputChanged);
document.getElementsByName("printed-node-format")[0].addEventListener("change", outputChanged);
}
outputChanged();
codeMirrorsWereActivated = true;
}
function deactivateCodeMirrors(){
if (!window.extractCodeMirror) return;
window.extractCodeMirror.toTextArea();
window.inputMirror.toTextArea();
window.outputMirror.toTextArea();
window.extractCodeMirror = null;
window.inputMirror = null;
window.outputMirror = null;
}