lib/assets/javascripts/builder/components/code-mirror/cartocss.code-mirror.js
var COLOR_KEYWORDS = require('builder/helpers/color-keywords');
/*
LESS mode - http://www.lesscss.org/
Ported to CodeMirror by Peter Kroon <plakroon@gmail.com>
Report bugs/issues here: https://github.com/marijnh/CodeMirror/issues GitHub: @peterkroon
*/
module.exports = function (CodeMirror) {
CodeMirror.defineMode('cartocss', function (config) {
var indentUnit = config.indentUnit;
var type;
function ret (style, tp) {
type = tp;
return style;
}
// html tags
var tags = 'a abbr acronym address applet area article aside audio b base basefont bdi bdo big blockquote body br button canvas caption cite code col colgroup command datalist dd del details dfn dir div dl dt em embed fieldset figcaption figure font footer form frame frameset h1 h2 h3 h4 h5 h6 head header hgroup hr html i iframe img input ins keygen kbd label legend li link map mark menu meta meter nav noframes noscript object ol optgroup option output p param pre progress q rp rt ruby s samp script section select small source span strike strong style sub summary sup table tbody td textarea tfoot th thead time title tr track tt u ul var video wbr'.split(' ');
var colorKeywords = keySet(COLOR_KEYWORDS);
function inTagsArray (val) {
for (var i = 0; i < tags.length; i++) {
if (val === tags[i]) return true;
}
}
var selectors = /(^\:root$|^\:nth\-child$|^\:nth\-last\-child$|^\:nth\-of\-type$|^\:nth\-last\-of\-type$|^\:first\-child$|^\:last\-child$|^\:first\-of\-type$|^\:last\-of\-type$|^\:only\-child$|^\:only\-of\-type$|^\:empty$|^\:link|^\:visited$|^\:active$|^\:hover$|^\:focus$|^\:target$|^\:lang$|^\:enabled^\:disabled$|^\:checked$|^\:first\-line$|^\:first\-letter$|^\:before$|^\:after$|^\:not$|^\:required$|^\:invalid$)/;
function tokenBase (stream, state) {
var ch = stream.next();
if (ch === '@') {
stream.eatWhile(/[\w\-]/);
return ret('meta', stream.current());
} else if (ch === '/' && stream.eat('*')) {
state.tokenize = tokenCComment;
return tokenCComment(stream, state);
} else if (ch === '<' && stream.eat('!')) {
state.tokenize = tokenSGMLComment;
return tokenSGMLComment(stream, state);
} else if (ch === '=') ret(null, 'compare');
else if (ch === '|' && stream.eat('=')) return ret(null, 'compare');
else if (ch === '\'' || ch === '\'') {
state.tokenize = tokenString(ch);
return state.tokenize(stream, state);
} else if (ch === '/') { // e.g.: .png will not be parsed as a class
if (stream.eat('/')) {
state.tokenize = tokenSComment;
return tokenSComment(stream, state);
} else {
if (type === 'string' || type === '(') {
return ret('string', 'string');
}
if (state.stack[state.stack.length - 1] !== undefined) {
return ret(null, ch);
}
stream.eatWhile(/[\a-zA-Z0-9\-_.\s]/);
if (/\/|\)|#/.test(stream.peek() || (stream.eatSpace() && stream.peek() === ')')) || stream.eol()) {
return ret('string', 'string'); // let url(/images/logo.png) without quotes return as string
}
}
} else if (ch === '!') {
stream.match(/^\s*\w*/);
return ret('keyword', 'important');
} else if (/\d/.test(ch)) {
stream.eatWhile(/[\w.%]/);
return ret('number', 'unit');
} else if (/[,+<>*\/]/.test(ch)) {
if (stream.peek() === '=' || type === 'a') {
return ret('string', 'string');
}
return ret(null, 'select-op');
} else if (/[;{}:\[\]()~\|]/.test(ch)) {
if (ch === ':') {
stream.eatWhile(/[a-z\\\-]/);
if (selectors.test(stream.current())) {
return ret('tag', 'tag');
} else if (stream.peek() === ':') { // ::-webkit-search-decoration
stream.next();
stream.eatWhile(/[a-z\\\-]/);
if (stream.current().match(/\:\:\-(o|ms|moz|webkit)\-/)) {
return ret('string', 'string');
}
if (selectors.test(stream.current().substring(1))) {
return ret('tag', 'tag');
}
return ret(null, ch);
} else {
return ret(null, ch);
}
} else if (ch === '~') {
if (type === 'r') {
return ret('string', 'string');
}
} else {
return ret(null, ch);
}
} else if (ch === '.') {
if (type === '(' || type === 'string') {
return ret('string', 'string'); // allow url(../image.png)
}
stream.eatWhile(/[\a-zA-Z0-9\-_]/);
if (stream.peek() === ' ') {
stream.eatSpace();
}
if (stream.peek() === ')') {
return ret('number', 'unit'); // rgba(0,0,0,.25);
}
return ret('tag', 'tag');
} else if (ch === '#') {
// we don't eat white-space, we want the hex color and or id only
stream.eatWhile(/[A-Za-z0-9]/);
// check if there is a proper hex color length e.g. #eee || #eeeEEE
if (stream.current().length === 4 || stream.current().length === 7) {
if (stream.current().match(/[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/, false) != null) { // is there a valid hex color value present in the current stream
// when not a valid hex value, parse as id
if (stream.current().substring(1) !== stream.current().match(/[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/, false)[0]) {
return ret('atom', 'tag');
}
// eat white-space
stream.eatSpace();
// when hex value declaration doesn't end with [;,] but is does with a slash/cc comment treat it as an id, just like the other hex values that don't end with[;,]
if (/[\/<>.({!$%^&*_\-\\?=+\|#'~`]/.test(stream.peek())) {
return ret('atom', 'tag');
} else if (stream.peek() === '}') {
// #time { color: #aaa }
return ret('color', 'unit');
} else if (/[a-zA-Z\\]/.test(stream.peek())) {
// we have a valid hex color value, parse as id whenever an element/class is defined after the hex(id) value e.g. #eee aaa || #eee .aaa
return ret('color', 'unit');
} else if (stream.eol()) {
// when a hex value is on the end of a line, parse as id
return ret('color', 'unit');
} else {
// default
return ret('color', 'unit');
}
} else { // when not a valid hexvalue in the current stream e.g. #footer
stream.eatWhile(/[\w\\\-]/);
return ret('atom', 'tag');
}
} else { // when not a valid hexvalue length
stream.eatWhile(/[\w\\\-]/);
return ret('atom', 'tag');
}
} else if (ch === '&') {
stream.eatWhile(/[\w\-]/);
return ret(null, ch);
} else {
stream.eatWhile(/[\w\\\-_%.{]/);
if (type === 'string') {
return ret('string', 'string');
} else if (stream.current().match(/(^http$|^https$)/) != null) {
stream.eatWhile(/[\w\\\-_%.{:\/]/);
return ret('string', 'string');
} else if (stream.peek() === '<' || stream.peek() === '>') {
return ret('tag', 'tag');
} else if (/\(/.test(stream.peek())) {
return ret(null, ch);
} else if (stream.peek() === '/' && state.stack[state.stack.length - 1] !== undefined) { // url(dir/center/image.png)
return ret('string', 'string');
} else if (stream.current().match(/\-\d|\-.\d/)) { // match e.g.: -5px -0.4 etc... only colorize the minus sign
// commment out these 2 comment if you want the minus sign to be parsed as null -500px
// stream.backUp(stream.current().length-1);
// return ret(null, ch); //console.log( stream.current() );
return ret('number', 'unit');
} else if (inTagsArray(stream.current().toLowerCase())) { // match html tags
return ret('tag', 'tag');
} else if (/\/|[\s\)]/.test(stream.peek() || stream.eol() || (stream.eatSpace() && stream.peek() === '/')) && stream.current().indexOf('.') !== -1) {
if (stream.current().substring(stream.current().length - 1, stream.current().length) === '{') {
stream.backUp(1);
return ret('tag', 'tag');
} // end if
stream.eatSpace();
if (/[{<>.a-zA-Z\/]/.test(stream.peek()) || stream.eol()) return ret('tag', 'tag'); // e.g. button.icon-plus
return ret('string', 'string'); // let url(/images/logo.png) without quotes return as string
} else if (stream.eol() || stream.peek() === '[' || stream.peek() === '#' || type === 'tag') {
if (stream.current().substring(stream.current().length - 1, stream.current().length) === '{') stream.backUp(1);
return ret('tag', 'tag');
} else if (type === 'compare' || type === 'a' || type === '(') {
return ret('string', 'string');
} else if (type === '|' || stream.current() === '-' || type === '[') {
return ret(null, ch);
} else if (stream.peek() === ':') {
stream.next();
var t_v = stream.peek() === ':';
if (!t_v) {
var old_pos = stream.pos;
var sc = stream.current().length;
stream.eatWhile(/[a-z\\\-]/);
var new_pos = stream.pos;
if (stream.current().substring(sc - 1).match(selectors) != null) {
stream.backUp(new_pos - (old_pos - 1));
return ret('tag', 'tag');
} else stream.backUp(new_pos - (old_pos - 1));
} else {
stream.backUp(1);
}
if (t_v) return ret('tag', 'tag');
else return ret('variable', 'variable');
// It is a color variable?
} else if (colorKeywords.hasOwnProperty(stream.current())) {
return ret('color', 'unit');
} else {
return ret('variable', 'variable');
}
}
}
function keySet (array) {
var keys = {};
for (var i = 0; i < array.length; ++i) {
keys[array[i]] = true;
}
return keys;
}
function tokenSComment (stream, state) { // SComment = Slash comment
stream.skipToEnd();
state.tokenize = tokenBase;
return ret('comment', 'comment');
}
function tokenCComment (stream, state) {
var maybeEnd = false;
var ch;
while ((ch = stream.next()) != null) {
if (maybeEnd && ch === '/') {
state.tokenize = tokenBase;
break;
}
maybeEnd = (ch === '*');
}
return ret('comment', 'comment');
}
function tokenSGMLComment (stream, state) {
var dashes = 0;
var ch;
while ((ch = stream.next()) != null) {
if (dashes >= 2 && ch === '>') {
state.tokenize = tokenBase;
break;
}
dashes = (ch === '-') ? dashes + 1 : 0;
}
return ret('comment', 'comment');
}
function tokenString (quote) {
return function (stream, state) {
var escaped = false;
var ch;
while ((ch = stream.next()) != null) {
if (ch === quote && !escaped) {
break;
}
escaped = !escaped && ch === '\\';
}
if (!escaped) state.tokenize = tokenBase;
return ret('string', 'string');
};
}
return {
startState: function (base) {
return {
tokenize: tokenBase,
baseIndent: base || 0,
stack: []
};
},
token: function (stream, state) {
if (stream.eatSpace()) return null;
var style = state.tokenize(stream, state);
var context = state.stack[state.stack.length - 1];
if (type === 'hash' && context === 'rule') style = 'atom';
else if (style === 'variable') {
if (context === 'rule') style = null; // 'tag'
else if (!context || context === '@media{') {
style = stream.current() === 'when' ? 'variable' : /[\s,|\s\)|\s]/.test(stream.peek()) ? 'tag' : type;
}
}
if (context === 'rule' && /^[\{\};]$/.test(type)) {
state.stack.pop();
}
if (type === '{') {
if (context === '@media') state.stack[state.stack.length - 1] = '@media{';
else state.stack.push('{');
} else if (type === '}') state.stack.pop();
else if (type === '@media') state.stack.push('@media');
else if (context === '{' && type !== 'comment') state.stack.push('rule');
return style;
},
indent: function (state, textAfter) {
var n = state.stack.length;
if (/^\}/.test(textAfter)) {
n -= state.stack[state.stack.length - 1] === 'rule' ? 2 : 1;
}
return state.baseIndent + n * indentUnit;
},
electricChars: '}'
};
});
CodeMirror.defineMIME('text/x-carto', 'cartocss');
};