jbd
Version:
jBD Framework's Core
320 lines (290 loc) • 7.29 kB
JavaScript
/**
* ==========================================
* Name: RegExp
* Author: Buddy-Deus
* CreTime: 2014-11-20
* Description: 正则处理
* Log
* 2015-06-09 优化模块结构
* ==========================================
*/
jBD.define(function (module, exports, require) {
"use strict";
let api;
/**
* 正则处理扩展
*
* @namespace RegExp
*/
api = {
/**
* 正则敏感过滤
*
* @param {string|Array} value
* @param {object} [opt]
* @param {boolean} [opt.single=false] 是否作为单条处理
* @param {boolean} [opt.obj=true] 是否返回RegExp对象
* @param {string} [opt.type=g] RegExp对象类型
* @returns {string}
*/
Filter: (value, opt) => {
let result = "",
single, obj, type;
switch (typeof(opt)) {
case "object":
if (opt) {
single = opt.single;
obj = opt.obj;
type = opt.type;
}
break;
case "boolean":
obj = opt;
break;
case "string":
type = opt;
obj = true;
break;
}
single = single === true;
obj = obj !== false;
type = obj && jBD.has(type, ["g", "i"]) ? type : "g";
if (!jBD.isString(value)) single = false;
else {
result = value;
value = value.split("");
}
if (!single) {
result = "";
jBD.each(value, (d, i, s) => {
switch (d) {
case "\\":
s = "\\\\";
break;
case "(":
case ")":
case "{":
case "}":
case "[":
case "]":
case "-":
case "|":
case "+":
case "*":
case "?":
case "^":
case "$":
case ".":
s = "\\" + value[i];
break;
default:
s = value[i];
}
result += i + 1 < value.length ? s + "|" : s;
}, {force: true});
}
return obj ? new RegExp(result, type) : result;
},
/**
* 获取html中内容
*
* @param {string} value
* @param {string} [tag]
* @param tag=* 过滤全部标签，并去除所有不可见字符（空格除外）
* @param tag=title 获取标题
* @param tag=a|href 获取所有A标签
* @param tag=img|image 获取所有img标签
* @param tag=video 获取所有video标签
* @param tag=audio 获取所有audio标签
* @param tag=link|css|icon 获取所有link标签
* @param tag=script|js 获取所有脚本标签
* @returns {string|Array}
*/
Html: (value, tag) => {
switch (String(tag)) {
default:
return String(value);
case "*":
return String(value).replace(/<[^>]+>/g, "").replace(/[\f\n\r\t\v]/g, "");
case "title":
return this.Title(value);
case "a":
case "href":
return this.Href(value);
case "img":
case "image":
return this.Image(value);
case "video":
return this.Video(value);
case "audio":
return this.Audio(value);
case "link":
case "css":
return this.Link(value, "stylesheet");
case "icon":
return this.Link(value, "icon");
case "script":
case "js":
return this.Script(value);
}
},
/**
* 获取html中标题
*
* @param {string} value
* @returns {string}
*/
Title: value => {
let result = /<title>([\S\s\t]*?)<\/title>/.exec(String(value));
return result != null ? result[1] : "";
},
/**
* 获取html中的链接地址
*
* @param {string} value
* @returns {Array} {value: 链接内容, href: 链接地址, title: 标签}
*/
Href: value => {
let result = [],
rxp = [
/<a([^>]*)>(.*?)<\/a>/g,
/href=(?:(?:'([^']+)')|(?:"([^"]+)"))/i,
/title=(?:(?:'([^']+)')|(?:"([^"]+)"))/i
],
val1, val2, val3;
value = String(value);
while ((val1 = rxp[0].exec(value)) != null) {
val2 = val1[1].match(rxp[1]);
val3 = val1[1].match(rxp[2]);
result.push({
value: this.Html(val1[2], "*"),
url: val2 ? (val2[1] || val2[2]) : "",
title: val3 ? (val3[1] || val3[2]) : ""
});
}
return result;
},
/**
* 获取html中的图片地址
*
* @param {string} value
* @returns {Array} {href: 链接地址, title: 标签}
*/
Image: value => {
let result = [],
rxp = [
/<img([^>]*)>/g,
/href=(?:(?:'([^']+)')|(?:"([^"]+)"))/i,
/title=(?:(?:'([^']+)')|(?:"([^"]+)"))/i
],
val1, val2, val3;
value = String(value);
while ((val1 = rxp[0].exec(value)) != null) {
val2 = val1[1].match(rxp[1]);
val3 = val1[1].match(rxp[2]);
result.push({
url: val2 ? (val2[1] || val2[2]) : "",
title: val3 ? (val3[1] || val3[2]) : ""
});
}
return result;
},
/**
* 获取html中的视频地址
*
* @param {string} value
* @returns {Array} {src: 链接地址, type: MIME类型}
*/
Video: value => {
let result = [],
rxp = [
/<video([^>]*)>(.*?)<\/video>/g,
/<source([^>]*)>/i,
/src=(?:(?:'([^']+)')|(?:"([^"]+)"))/i,
/type=(?:(?:'([^']+)')|(?:"([^"]+)"))/i
],
val1, val2, val3;
value = String(value);
while ((val1 = rxp[0].exec(value)) != null) {
if (val1[2].test(rxp[1])) val1 = rxp[1].exec(val1[2]);
val2 = val1[1].match(rxp[2]);
val3 = val1[1].match(rxp[3]);
result.push({
url: val2 ? (val2[1] || val2[2]) : "",
type: val3 ? (val3[1] || val3[2]) : ""
});
}
return result;
},
/**
* 获取html中的音频地址
*
* @param {string} value
* @returns {Array} {src: 链接地址, type: MIME类型}
*/
Audio: value => {
let result = [],
rxp = [
/<audio([^>]*)>(.*?)<\/audio>/g,
/<source([^>]*)>/i,
/src=(?:(?:'([^']+)')|(?:"([^"]+)"))/i,
/type=(?:(?:'([^']+)')|(?:"([^"]+)"))/i
],
val1, val2, val3;
value = String(value);
while ((val1 = rxp[0].exec(value)) != null) {
if (val1[2].test(rxp[1])) val1 = rxp[1].exec(val1[2]);
val2 = val1[1].match(rxp[2]);
val3 = val1[1].match(rxp[3]);
result.push({
url: val2 ? (val2[1] || val2[2]) : "",
type: val3 ? (val3[1] || val3[2]) : ""
});
}
return result;
},
Link: (value, type) => {
let result = [],
rxp = [
/<link([^>]*)>/g,
/href=(?:(?:'([^']+)')|(?:"([^"]+)"))/i,
/rel=(?:(?:'([^']+)')|(?:"([^"]+)"))/i
],
val1, val2, val3;
value = String(value);
while ((val1 = rxp[0].exec(value)) != null) {
val2 = val1[1].match(rxp[1]);
val3 = val1[1].match(rxp[2]);
val3 = val3 ? (val3[1] || val3[2]) : "";
if (type !== val3) continue;
result.push({
url: val2 ? (val2[1] || val2[2]) : "",
type: type,
});
}
return result;
},
CSS: value => this.Link(value, "stylesheet"),
ICON: value => this.Link(value, "icon"),
Script: value => {
let result = [],
rxp = [
/<script([^>]*)>(.*?)<\/script>/g,
/src=(?:(?:'([^']+)')|(?:"([^"]+)"))/i,
/async(?:=(?:"async")|(?:('async')))?/i
],
val1, val2;
value = String(value);
while ((val1 = rxp[0].exec(value)) != null) {
val2 = val1[1].match(rxp[1]);
result.push({
url: val2 ? (val2[1] || val2[2]) : "",
async: rxp[2].test(val1[1]),
});
}
return result;
},
JS: value => this.Script(value)
};
return api;
}, {module: module, exports: this}, [], "RegExp");