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Add the ability to create problems from query string #13

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Add the ability to create problems from query string #13

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29 changes: 24 additions & 5 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -44,9 +44,15 @@
<!-- font awesome -->
<!-- <script src="https://use.fontawesome.com/b8ae54b59e.js"></script> -->
<script type="text/javascript">
function createProb() {
function createProb() {
createProbFrom(
document.getElementById("probpremises").value,
document.getElementById("probconc").value
);
}

function createProbFrom(pstr, conc) {
predicateSettings = (document.getElementById("folradio").checked);
var pstr = document.getElementById("probpremises").value;
pstr = pstr.replace(/^[,;\s]*/,'');
pstr = pstr.replace(/[,;\s]*$/,'');
var prems = pstr.split(/[,;\s]*[,;][,;\s]*/);
Expand All @@ -57,7 +63,7 @@
if (!(w.isWellFormed)) {
alert('Premise ' + (a+1) + ', ' + fixWffInputStr(prems[a]) + ', is not well formed.');
return;
}
}
if ((predicateSettings) && (!(w.allFreeVars.length == 0))) {
alert('Premise ' + (a+1) + ' is not closed.');
return;
Expand All @@ -68,8 +74,7 @@
});
}
}
var conc = fixWffInputStr(document.getElementById("probconc").value);
var cw = parseIt(conc);
var cw = parseIt(fixWffInputStr(conc));
if (!(cw.isWellFormed)) {
alert('The conclusion ' + fixWffInputStr(conc) + ', is not well formed.');
return;
Expand All @@ -91,7 +96,21 @@
var tp = document.getElementById("theproof");
tp.innerHTML = '';
makeProof(tp, sofar, wffToString(cw, false));
}

var params = {};
location.search.substring(1).split("&").forEach(function(arg) {
var eq = arg.indexOf("=")
var key = decodeURIComponent(arg.substring(0, eq) || arg);
var val = decodeURIComponent(arg.substring(eq + 1));
if (key) params[key] = val;
});

window.addEventListener("load", function(e) {
if (params.prems) {
createProbFrom(params.prems, params.conc || "#");
}
});
</script>
<style type="text/css">
#probpremises {
Expand Down