From 4efeb31d5b4921d7e851c256009486ad86bc70e2 Mon Sep 17 00:00:00 2001
From: zengh <123456>
Date: Tue, 21 Jun 2022 09:14:57 +0800
Subject: [PATCH] 地址替换

---
 uview-ui/components/u-parse/libs/CssHandler.js |  100 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 100 insertions(+), 0 deletions(-)

diff --git a/uview-ui/components/u-parse/libs/CssHandler.js b/uview-ui/components/u-parse/libs/CssHandler.js
new file mode 100644
index 0000000..75c6015
--- /dev/null
+++ b/uview-ui/components/u-parse/libs/CssHandler.js
@@ -0,0 +1,100 @@
+const cfg = require('./config.js'),
+	isLetter = c => (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
+
+function CssHandler(tagStyle) {
+	var styles = Object.assign(Object.create(null), cfg.userAgentStyles);
+	for (var item in tagStyle)
+		styles[item] = (styles[item] ? styles[item] + ';' : '') + tagStyle[item];
+	this.styles = styles;
+}
+CssHandler.prototype.getStyle = function(data) {
+	this.styles = new parser(data, this.styles).parse();
+}
+CssHandler.prototype.match = function(name, attrs) {
+	var tmp, matched = (tmp = this.styles[name]) ? tmp + ';' : '';
+	if (attrs.class) {
+		var items = attrs.class.split(' ');
+		for (var i = 0, item; item = items[i]; i++)
+			if (tmp = this.styles['.' + item])
+				matched += tmp + ';';
+	}
+	if (tmp = this.styles['#' + attrs.id])
+		matched += tmp + ';';
+	return matched;
+}
+module.exports = CssHandler;
+
+function parser(data, init) {
+	this.data = data;
+	this.floor = 0;
+	this.i = 0;
+	this.list = [];
+	this.res = init;
+	this.state = this.Space;
+}
+parser.prototype.parse = function() {
+	for (var c; c = this.data[this.i]; this.i++)
+		this.state(c);
+	return this.res;
+}
+parser.prototype.section = function() {
+	return this.data.substring(this.start, this.i);
+}
+// 状态机
+parser.prototype.Space = function(c) {
+	if (c == '.' || c == '#' || isLetter(c)) {
+		this.start = this.i;
+		this.state = this.Name;
+	} else if (c == '/' && this.data[this.i + 1] == '*')
+		this.Comment();
+	else if (!cfg.blankChar[c] && c != ';')
+		this.state = this.Ignore;
+}
+parser.prototype.Comment = function() {
+	this.i = this.data.indexOf('*/', this.i) + 1;
+	if (!this.i) this.i = this.data.length;
+	this.state = this.Space;
+}
+parser.prototype.Ignore = function(c) {
+	if (c == '{') this.floor++;
+	else if (c == '}' && !--this.floor) {
+		this.list = [];
+		this.state = this.Space;
+	}
+}
+parser.prototype.Name = function(c) {
+	if (cfg.blankChar[c]) {
+		this.list.push(this.section());
+		this.state = this.NameSpace;
+	} else if (c == '{') {
+		this.list.push(this.section());
+		this.Content();
+	} else if (c == ',') {
+		this.list.push(this.section());
+		this.Comma();
+	} else if (!isLetter(c) && (c < '0' || c > '9') && c != '-' && c != '_')
+		this.state = this.Ignore;
+}
+parser.prototype.NameSpace = function(c) {
+	if (c == '{') this.Content();
+	else if (c == ',') this.Comma();
+	else if (!cfg.blankChar[c]) this.state = this.Ignore;
+}
+parser.prototype.Comma = function() {
+	while (cfg.blankChar[this.data[++this.i]]);
+	if (this.data[this.i] == '{') this.Content();
+	else {
+		this.start = this.i--;
+		this.state = this.Name;
+	}
+}
+parser.prototype.Content = function() {
+	this.start = ++this.i;
+	if ((this.i = this.data.indexOf('}', this.i)) == -1) this.i = this.data.length;
+	var content = this.section();
+	for (var i = 0, item; item = this.list[i++];)
+		if (this.res[item]) this.res[item] += ';' + content;
+		else this.res[item] = content;
+	this.list = [];
+	this.state = this.Space;
+}

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