// +----------------------------------------------------------------------
// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2016~2021 https://www.crmeb.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
// +----------------------------------------------------------------------
// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------
var inlineTags = {
	abbr: 1,
	b: 1,
	big: 1,
	code: 1,
	del: 1,
	em: 1,
	i: 1,
	ins: 1,
	label: 1,
	q: 1,
	small: 1,
	span: 1,
	strong: 1
}
module.exports = {
	// 从顶层标签的样式中取出一些给 rich-text
	getStyle: function(style) {
		if (style) {
			var i, j, res = '';
			if ((i = style.indexOf('display')) != -1)
				res = style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
			if ((i = style.indexOf('float')) != -1)
				res += ';' + style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
			return res;
		}
	},
	// 处理懒加载
	getNode: function(item, imgLoad) {
		if (!imgLoad && item.attrs.i != '0') {
			var img = {
				name: 'img',
				attrs: JSON.parse(JSON.stringify(item.attrs))
			}
			delete img.attrs.src;
			img.attrs.style += ';width:20px;height:20px';
			return [img];
		} else return [item];
	},
	// 是否通过 rich-text 显示
	useRichText: function(item) {
		return !item.c && !inlineTags[item.name] && (item.attrs.style || '').indexOf('display:inline') == -1;
	}
}