How to use the character-parser.parseChar function in character-parser
To help you get started, we’ve selected a few character-parser examples, based on popular ways it is used in public projects.
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pugjs / pug / packages / pug-lexer / index.js View on Github 
// if everything else is whitespace, return now so last attribute
// does not include trailing whitespace
if(done || x === str.length){
break;
}
}
// if there's no whitespace and the character is not ',', the
// attribute did not end.
if(str[i] === ',' && this.assertExpression(val, true)){
break;
}
}
state = characterParser.parseChar(str[i], state);
val += str[i];
if (str[i] === '\n') {
line++;
col = 1;
} else {
col++;
}
}
this.assertExpression(val);
this.lineno = line;
this.colno = col;
return { val: val, mustEscape: escapeAttr, remainingSource: str.substr(i) };// if everything else is whitespace, return now so last attribute
// does not include trailing whitespace
if(done || x === str.length){
break;
}
}
// if there's no whitespace and the character is not ',', the
// attribute did not end.
if(str[i] === ',' && this.assertExpression(val, true)){
break;
}
}
state = characterParser.parseChar(str[i], state);
val += str[i];
if (str[i] === '\n') {
line++;
col = 1;
} else {
col++;
}
}
this.assertExpression(val);
this.lineno = line;
this.colno = col;
return { val: val, mustEscape: escapeAttr, remainingSource: str.substr(i) };case 'key':
if (key === '' && (str[i] === '"' || str[i] === "'")) {
loc = 'key-char';
quote = str[i];
} else if (str[i] === '!' || str[i] === '=') {
escapedAttr = str[i] !== '!';
if (str[i] === '!') i++;
if (str[i] !== '=') throw new Error('Unexpected character ' + str[i] + ' expected `=`');
loc = 'value';
state = characterParser.defaultState();
} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;
}
}
}
if ('/' == this.input.charAt(0)) {
this.consume(1);
tok.selfClosing = true;
}
return tok;case 'key':
if (key === '' && (str[i] === '"' || str[i] === "'")) {
loc = 'key-char';
quote = str[i];
} else if (str[i] === '!' || str[i] === '=') {
escapedAttr = str[i] !== '!';
if (str[i] === '!') i++;
if (str[i] !== '=') throw new Error('Unexpected character ' + str[i] + ' expected `=`');
loc = 'value';
state = characterParser.defaultState();
} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;
}
}
}
if ('/' == this.input.charAt(0)) {
this.consume(1);
tok.selfClosing = true;
}
return tok;} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;
}
}
}
if ('/' == this.input.charAt(0)) {
this.consume(1);
tok.selfClosing = true;
}
return tok;} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;
}
}
}
if ('/' == this.input.charAt(0)) {
this.consume(1);
tok.selfClosing = true;
}
return tok;case 'key':
if (key === '' && (str[i] === '"' || str[i] === "'")) {
loc = 'key-char';
quote = str[i];
} else if (str[i] === '!' || str[i] === '=') {
escapedAttr = str[i] !== '!';
if (str[i] === '!') i++;
if (str[i] !== '=') throw new Error('Unexpected character ' + str[i] + ' expected `=`');
loc = 'value';
state = characterParser.defaultState();
} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;case 'key':
if (key === '' && (str[i] === '"' || str[i] === "'")) {
loc = 'key-char';
quote = str[i];
} else if (str[i] === '!' || str[i] === '=') {
escapedAttr = str[i] !== '!';
if (str[i] === '!') i++;
if (str[i] !== '=') throw new Error('Unexpected character ' + str[i] + ' expected `=`');
loc = 'value';
state = characterParser.defaultState();
} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;character-parser
Parse JavaScript one character at a time to look for snippets in Templates. This is not a validator, it's just designed to allow you to have sections of JavaScript delimited by brackets robustly.
