1 files changed, 0 insertions, 171 deletions
diff --git a/blog/data/poll.js b/blog/data/poll.js
deleted file mode 100644
index 55b4e22..0000000
--- a/blog/data/poll.js
+++ /dev/null
@@ -1,171 +0,0 @@
-//By Chris Xiong, 2018
-//License: Expat
-let p=null;
-let Caption;
-let Choices;
-let Score;
-let Next;
-let values=[];
-let curq;
-function evalexpr(e)
-{
-	let ret=0;
-	let op=function(a,o,b){
-		switch(o){
-			case '+':return a+b;
-			case '-':return a-b;
-			case '*':return a*b;
-			case '/':return a/b;
-		}
-	};
-	for(let p=e.match(/[+\-*\/]/);p;p=e.match(/[+\-*\/]/))
-	{
-		let vp=e.match(/[A-Za-z]\w*/);
-		if(vp)
-		{
-			const v=vp[0];
-			if(values[v]===undefined)throw 'shit';
-			ret=op(ret,p[0],values[v]);
-			e=e.substr(vp.index+vp[0].length);
-		}
-		else
-		{
-			let np=e.match(/\d+(.\d*)?/);
-			if(np)
-			{
-				const n=Number(np[0]);
-				ret=op(ret,p[0],n);
-				e=e.substr(np.index+np[0].length);
-			}else throw 'shit';
-		}
-	}
-	return ret;
-}
-function evalsetexpr(e)
-{
-	const s=e.split('=');
-	if(s.length<2)throw 'shit';
-	values[s[0].trim()]=evalexpr(s[1]);
-}
-function evaltestexpr(e)
-{
-	const m=e.match(/([A-Za-z]\w*)\s*(leq|geq|lt|gt)\s*([A-Za-z0-9.]*)/);
-	if(!m)throw 'shit';
-	const v=m[1],op=m[2],vr=m[3];
-	const vv=values[v];
-	const vvr=isNaN(Number(vr))?values[vr]:Number(vr);
-	if(vv===undefined||vvr===undefined)throw 'shit';
-	switch(op.trim())
-	{
-		case 'leq':return vv<=vvr;
-		case 'geq':return vv>=vvr;
-		case 'lt':return vv<vvr;
-		case 'gt':return vv>vvr;
-	}
-	throw 'shit';
-}
-function evalcondexpr(e)
-{
-	if(!e.trim().length)return true;
-	let ret=false;
-	let op=function(a,o,b){
-		switch(o){
-			case '|':return a||b;
-			case '&':return a&&b;
-		}
-	};
-	for(let p=e.search(/[|&]/);p!=-1;p=e.search(/[|&]/))
-	{
-		let np=e.substr(p+1).search(/[|&]/);
-		let n=e.substr(p+1,np!=-1?np-1:undefined);
-		ret=op(ret,e[p],evaltestexpr(n.trim()));
-		e=np?e.substr(np):"";
-	}
-	return ret;
-}
-function initq()
-{
-	const q=p.question[curq];
-	for(let i=0;i<q.initialization.length;++i)
-	{
-		if(evalcondexpr(q.initialization[i].c))
-		evalsetexpr(q.initialization[i].s);
-	}
-	if(!evalcondexpr(q.precond)){++curq;if(curq<p.question.length)initq();else finalize();}
-}
-function evalq()
-{
-	if(curq>=p.question.length)return;
-	const q=p.question[curq];
-	let seln=0;
-	for(let i=0;i<q.choice.length;++i)
-	{
-		const e=document.getElementById(`choice${i}`);
-		if(e.checked)++seln;
-		if(e.checked)
-		{
-			for(let j=0;j<q.choice[i].setp.length;++j)
-				if(evalcondexpr(q.choice[i].setp[j].c))
-				evalsetexpr(q.choice[i].setp[j].s);
-		}
-		else
-		{
-			for(let j=0;j<q.choice[i].setn.length;++j)
-				if(evalcondexpr(q.choice[i].setn[j].c))
-				evalsetexpr(q.choice[i].setn[j].s);
-		}
-	}
-	if(!seln&&q.type=='single'){alert('Wanna cheat?...');return;}
-	++curq;
-	if(curq==p.question.length)finalize();else{showq();initq();}
-}
-function showq()
-{
-	const q=p.question[curq];
-	Caption.innerHTML=q.caption;
-	while(Choices.firstChild)Choices.removeChild(Choices.firstChild);
-	for(let i=0;i<q.choice.length;++i)
-	{
-		const d=document.createElement('div');
-		const e=document.createElement('input');
-		e.type=q.type=='multi'?'checkbox':'radio';
-		e.innerHTML=q.choice[i].caption;
-		e.qid=i;e.id=`choice${i}`;
-		e.setAttribute('name','choice');
-		e.classList.add('check');
-		const l=document.createElement('label');
-		l.innerHTML=q.choice[i].caption;
-		l.setAttribute('for',e.id);
-		d.appendChild(e);
-		d.appendChild(l);
-		Choices.appendChild(d);
-	}
-	Score.innerHTML=`${values['score']}, Question ${curq+1}/${p.question.length}`;
-}
-function _init()
-{
-	Caption=document.getElementById('qcaption');
-	Choices=document.getElementById('qchoices');
-	Score=document.getElementById('score');
-	Next=document.getElementById('nextbtn');
-	curq=0;values['score']=0;
-	initq();showq();
-}
-async function init()
-{
-	const resp=await fetch(new Request('/blog/data/applefan.json'));
-	r=await resp.text();
-	p=JSON.parse(r);
-	_init();
-}
-function finalize()
-{
-	Next.style.color='#888';
-	Score.innerHTML=`${values['score']}, Question ${p.question.length}/${p.question.length}`;
-	Caption.innerHTML='';
-	Choices.innerHTML='';
-	for(let i=0;i<p.verdict.length;++i)
-	if(evalcondexpr(p.verdict[i].precond))
-		Caption.innerHTML+=p.verdict[i].caption;
-}
-init();