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Fixes to highlighter behavior

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This commit is contained in:
MrOtherGuy 2020-09-03 12:06:45 +03:00
parent 83a9a5da77
commit ecd9010083
1 changed files with 41 additions and 33 deletions
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74
html_resources/selector.js
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@ -231,13 +231,19 @@ function createCategories(){
const Highlighter = new(function(){
let state = 0;
const state = new (function(){
let current = 0;
let previous = 0;
this.now = ()=>current;
this.previous = ()=>previous;
this.set = function(a){ previous = current; current = a; return}
})();
let pointer = 0;
let token = "";
function createToken(type){
function createToken(type,c){
let n = document.createElement("span");
n.textContent = token;
n.textContent = c || token;
n.className = (`token ${type}`);
token = "";
return n
@ -248,27 +254,37 @@ const Highlighter = new(function(){
node.removeChild(e)
}
let c;
let curly = false;
while(pointer < text.length){
c = text[pointer];
token+=c;
switch(state){
const currentState = state.now();
curly = currentState != 2 && (c === "{" || c === "}");
if(!curly){
token+=c;
}
switch(currentState){
case 0:
switch(c){
case "/":
if(text[pointer+1] === "*"){
state = 2;
state.set(2);
if(token.length > 1){
token = token.slice(0,-1);
node.appendChild(createToken("selector"));
token += "/"
}
}
break;
case "{":
state = 3;
state.set(3);
node.appendChild(createToken("selector"));
break;
case "}":
node.appendChild(createToken("text"));
break;
case "@":
state = 5;
break
default:
false
state.set(5);
}
break;
@ -279,50 +295,44 @@ const Highlighter = new(function(){
if(text[pointer+1] === "/"){
token += "/";
pointer++;
state = 0;
state.set(state.previous());
node.appendChild(createToken("comment"));
}
break;
default:
false
}
break;
case 3:
switch(c){
case "/":
if(text[pointer+1] === "*"){
state.set(2);
}
break;
case ":":
node.appendChild(createToken("property"));
state = 4;
state.set(4);
break;
case "}":
node.appendChild(createToken("text"));
state = 0;
break;
default:
false
state.set(0);
}
break;
case 4:
switch(c){
case ";":
node.appendChild(createToken("value"));
state = 3;
state.set(3);
break;
case "}":
node.appendChild(createToken("value"));
state = 0;
break;
default:
false
state.set(0);
}
break;
case 5:
switch(c){
case " ":
node.appendChild(createToken("atrule"));
state = 6;
default:
false
state.set(6);
}
break;
case 6:
@ -330,23 +340,21 @@ const Highlighter = new(function(){
case ";":
case "{":
node.appendChild(createToken("atvalue"));
state = 0;
break;
default:
false
state.set(0);
}
break
default:
false
}
curly && node.appendChild(createToken("curly",c));
pointer++
}
node.appendChild(createToken("text"));
token = "";
state = 0;
state.set(0);
pointer = 0;
return