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Code Issues Releases Wiki Activity

Proof of concept working

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This commit is contained in:
Scott Tolksdorf
2016-04-02 12:02:05 -04:00
parent e61e1a698d
commit 263257bfb8
16 changed files with 344 additions and 112 deletions
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112
shared/jsx-parser.js
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@@ -1,20 +1,10 @@
var WHITESPACE = /(\s|\t|\n)/g;
var WHITESPACE = /(\s|\t|\n|\r)/g;
var NUMBERS = /[0-9]/;
var LETTERS = /[a-zA-Z_]/;
var tokenMap = {
//'<' : 'brace',
//'>' : 'brace',
//'/' : 'close',
'=' : 'equals',
}
var tokenizer = function(input){
var tokens = [];
var current = 0;
var inTag = false;
while(current < input.length){
@@ -35,7 +25,6 @@ var tokenizer = function(input){
tokens.push({
type : 'closeTag'
})
}
else if(char == '/' && input[current+1] == '>'){
inTag = false;
@@ -57,15 +46,14 @@ var tokenizer = function(input){
type : 'number',
value : getToken(NUMBERS)*1
});
continue;
current--;
}
else if(LETTERS.test(char)){
tokens.push({
type : 'word',
value : getToken(LETTERS)
});
continue;
current--;
}
else if(char == "'"){
char = input[++current]
@@ -73,7 +61,6 @@ var tokenizer = function(input){
type : 'text',
value : getToken(/[^\']/)
});
}
else if(char == '"'){
char = input[++current]
@@ -83,10 +70,8 @@ var tokenizer = function(input){
});
}
}
//Not in a tag def
//Not tokenizing a tag definition
else{
//End tag
if(char == '<' && input[current+1] == '/'){
char = input[++current]
@@ -95,7 +80,6 @@ var tokenizer = function(input){
type : 'endTag',
value : getToken(LETTERS)
})
//current++;
}
else if(char == '<'){
inTag = true;
@@ -104,7 +88,6 @@ var tokenizer = function(input){
type : 'openTag',
value : getToken(LETTERS)
})
console.log(char);
current--;
}
else{
@@ -123,62 +106,49 @@ var tokenizer = function(input){
}
current--;
}
}
current++;
continue;
}
return tokens;
}
var parser = function(tokens){
var nodes = [];
var current = 0;
var token = tokens[current];
var getProps = function(){
var parseProps = function(){
var props = {};
var key = null;
var temp = null;
var last = null;
while(token.type != 'endTag' && token.type != 'closeTag' && current < tokens.length){
if(temp && token.type == 'equals'){
key = temp;
temp = null;
token = tokens[++current];
continue;
}
if(key){
while(current < tokens.length && token.type != 'endTag' && token.type != 'closeTag'){
if(!key && token.type == 'word'){
last = token.value;
}else if(last && token.type == 'equals'){
key = last;
last = null;
}else if(key && (token.type == 'number' || token.type == 'text')){
props[key] = token.value;
key = null;
temp = null;
last = null;
token = tokens[++current];
continue;
}else if(last && token.type == 'word'){
props[last] = true;
}else{
throw "Invalid property value: " + key + '=' + token.value;
}
if(temp){
props[temp] = true;
}
temp = token.value;
token = tokens[++current];
}
return props;
}
var genNode = function(tagType){
token = tokens[++current];
var node = {
tag : tagType,
props : getProps(),
props : parseProps(),
children : getChildren(tagType)
}
return node
@@ -186,7 +156,14 @@ var parser = function(tokens){
var getChildren = function(tagType){
var children = [];
while(current < tokens.length && token.type != 'endTag' && token.value != tagType){
while(current < tokens.length){
if(token.type == 'endTag'){
if(token.value && token.value != tagType){
throw "Invalid closing tag: " + token.value + ". Expected closing tag of type: " + tagType
}else{
break;
}
}
if(token.type == 'openTag'){
children.push(genNode(token.value));
}else if(token.type == 'text'){
@@ -196,43 +173,34 @@ var parser = function(tokens){
}
return children;
}
return getChildren();
}
/*
var test1 = `
why you so cray
<div test="here there 'champ'" more_cool size=0>
<span>Hey there!<a>so fucking cool</a></span>
let's go party!@
we be cray
<div test="hey there champ" more_cool=shoobydo size=0>
<span>
Hey there!
<a>so fucking cool </span> </a>
</span>
let's go party
<a href='neato' />
</div>
<a href='neato' />
`
var test2 = "<div>Hey there!</div>"
var tokens = tokenizer(test1);
console.log(tokens);
console.log(test1, '\n---\n', tokens, '---\n', JSON.stringify(parser(tokens), null, ' '));
*/
console.log(test1, JSON.stringify(parser(tokens), null, ' '));
module.exports = tokenizer;
module.exports = function(input){
return parser(tokenizer(input));
}