includejs/src/parser/css.js

IncludeJS Resource Builder Tool

include.exports = {
	extractImages: function(baseuri, uri, content) {

		var regexp = new RegExp(/url[\s]*\(('|")?([^)'"]+)('|")?\)/gi),
		    imgbin = [],
		    match = regexp.exec(content);

		while (match) {
			if (!match[2]) {
				console.error('NOT MATCHED', match);
			}
			console.log('CSS match', match[2]);

			var imguri = new net.URI(match[2]);

			imgbin.push({
				mimeType: 'image/png',
				href: match[2],
				uri: imguri.isRelative() ? uri.combine(imguri) : imguri,
				baseuri: uri
			});

			match = regexp.exec(content);
		}

		return imgbin;
	},
	replace: function(source, original, rewrite) {
		var start = 0,
			found = -1;
		while (~ (found = source.indexOf(original, found + 1))) {
			var before = source[found - 1];
			if (/[\s"'\(]/i.test(before) == false) continue;

			source = source.substring(0, found) + rewrite + source.substring(found + original.length);
		}
		return source;
	}
}