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提交 625282f1 编写于 作者: fxy060608's avatar fxy060608
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refactor: make html-parser tree-shakeable

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packages/uni-components/src/helpers/html-parser.js
浏览文件 @ 625282f1
/*
* HTML5 Parser By Sam Blowes
*
* Designed for HTML5 documents
*
* Original code by John Resig (ejohn.org)
* http://ejohn.org/blog/pure-javascript-html-parser/
* Original code by Erik Arvidsson, Mozilla Public License
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
*
* ----------------------------------------------------------------------------
* License
* ----------------------------------------------------------------------------
*
* This code is triple licensed using Apache Software License 2.0,
* Mozilla Public License or GNU Public License
*
* ////////////////////////////////////////////////////////////////////////////
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* ////////////////////////////////////////////////////////////////////////////
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Simple HTML Parser.
*
* The Initial Developer of the Original Code is Erik Arvidsson.
* Portions created by Erik Arvidssson are Copyright (C) 2004. All Rights
* Reserved.
*
* ////////////////////////////////////////////////////////////////////////////
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ----------------------------------------------------------------------------
* Usage
* ----------------------------------------------------------------------------
*
* // Use like so:
* HTMLParser(htmlString, {
* start: function(tag, attrs, unary) {},
* end: function(tag) {},
* chars: function(text) {},
* comment: function(text) {}
* });
*
* // or to get an XML string:
* HTMLtoXML(htmlString);
*
* // or to get an XML DOM Document
* HTMLtoDOM(htmlString);
*
* // or to inject into an existing document/DOM node
* HTMLtoDOM(htmlString, document);
* HTMLtoDOM(htmlString, document.body);
*
*/
// Regular Expressions for parsing tags and attributes
var startTag = /^<([-A-Za-z0-9_]+)((?:\s+[a-zA-Z_:][-a-zA-Z0-9_:.]*(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/
var endTag = /^<\/([-A-Za-z0-9_]+)[^>]*>/
var attr = /([a-zA-Z_:][-a-zA-Z0-9_:.]*)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g
// Empty Elements - HTML 5
var empty = makeMap(
'area,base,basefont,br,col,frame,hr,img,input,link,meta,param,embed,command,keygen,source,track,wbr'
)
// Block Elements - HTML 5
// fixed by xxx 将 ins 标签从块级名单中移除
var block = makeMap(
'a,address,article,applet,aside,audio,blockquote,button,canvas,center,dd,del,dir,div,dl,dt,fieldset,figcaption,figure,footer,form,frameset,h1,h2,h3,h4,h5,h6,header,hgroup,hr,iframe,isindex,li,map,menu,noframes,noscript,object,ol,output,p,pre,section,script,table,tbody,td,tfoot,th,thead,tr,ul,video'
)
// Inline Elements - HTML 5
var inline = makeMap(
'abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var'
)
// Elements that you can, intentionally, leave open
// (and which close themselves)
var closeSelf = makeMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr')
// Attributes that have their values filled in disabled="disabled"
var fillAttrs = makeMap(
'checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected'
)
// Special Elements (can contain anything)
var special = makeMap('script,style')
export default function HTMLParser(html, handler) {
var index
var chars
var match
var stack = []
var last = html
stack.last = function() {
return this[this.length - 1]
}
while (html) {
chars = true
// Make sure we're not in a script or style element
if (!stack.last() || !special[stack.last()]) {
// Comment
if (html.indexOf('<!--') == 0) {
index = html.indexOf('-->')
if (index >= 0) {
if (handler.comment) {
handler.comment(html.substring(4, index))
}
html = html.substring(index + 3)
chars = false
}
// end tag
} else if (html.indexOf('</') == 0) {
match = html.match(endTag)
if (match) {
html = html.substring(match[0].length)
match[0].replace(endTag, parseEndTag)
chars = false
}
// start tag
} else if (html.indexOf('<') == 0) {
match = html.match(startTag)
if (match) {
html = html.substring(match[0].length)
match[0].replace(startTag, parseStartTag)
chars = false
}
}
if (chars) {
index = html.indexOf('<')
var text = index < 0 ? html : html.substring(0, index)
html = index < 0 ? '' : html.substring(index)
if (handler.chars) {
handler.chars(text)
}
}
} else {
html = html.replace(
new RegExp('([\\s\\S]*?)</' + stack.last() + '[^>]*>'),
function(all, text) {
text = text.replace(
/<!--([\s\S]*?)-->|<!\[CDATA\[([\s\S]*?)]]>/g,
'$1$2'
)
if (handler.chars) {
handler.chars(text)
}
return ''
}
)
parseEndTag('', stack.last())
}
if (html == last) {
throw 'Parse Error: ' + html
}
last = html
}
// Clean up any remaining tags
parseEndTag()
function parseStartTag(tag, tagName, rest, unary) {
tagName = tagName.toLowerCase()
if (block[tagName]) {
while (stack.last() && inline[stack.last()]) {
parseEndTag('', stack.last())
}
}
if (closeSelf[tagName] && stack.last() == tagName) {
parseEndTag('', tagName)
}
unary = empty[tagName] || !!unary
if (!unary) {
stack.push(tagName)
}
if (handler.start) {
var attrs = []
rest.replace(attr, function(match, name) {
var value = arguments[2]
? arguments[2]
: arguments[3]
? arguments[3]
: arguments[4]
? arguments[4]
: fillAttrs[name]
? name
: ''
attrs.push({
name: name,
value: value,
escaped: value.replace(/(^|[^\\])"/g, '$1\\"') // "
})
})
if (handler.start) {
handler.start(tagName, attrs, unary)
}
}
}
function parseEndTag(tag, tagName) {
// If no tag name is provided, clean shop
if (!tagName) {
var pos = 0
}
// Find the closest opened tag of the same type
else {
for (var pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos] == tagName) {
break
}
}
}
if (pos >= 0) {
// Close all the open elements, up the stack
for (var i = stack.length - 1; i >= pos; i--) {
if (handler.end) {
handler.end(stack[i])
}
}
// Remove the open elements from the stack
stack.length = pos
}
}
}
function makeMap(str) {
var obj = {}
var items = str.split(',')
for (var i = 0; i < items.length; i++) {
obj[items[i]] = true
}
return obj
}
/*
* HTML5 Parser By Sam Blowes
*
* Designed for HTML5 documents
*
* Original code by John Resig (ejohn.org)
* http://ejohn.org/blog/pure-javascript-html-parser/
* Original code by Erik Arvidsson, Mozilla Public License
* http://erik.eae.net/simplehtmlparser/simplehtmlparser.js
*
* ----------------------------------------------------------------------------
* License
* ----------------------------------------------------------------------------
*
* This code is triple licensed using Apache Software License 2.0,
* Mozilla Public License or GNU Public License
*
* ////////////////////////////////////////////////////////////////////////////
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* ////////////////////////////////////////////////////////////////////////////
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Simple HTML Parser.
*
* The Initial Developer of the Original Code is Erik Arvidsson.
* Portions created by Erik Arvidssson are Copyright (C) 2004. All Rights
* Reserved.
*
* ////////////////////////////////////////////////////////////////////////////
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ----------------------------------------------------------------------------
* Usage
* ----------------------------------------------------------------------------
*
* // Use like so:
* HTMLParser(htmlString, {
* start: function(tag, attrs, unary) {},
* end: function(tag) {},
* chars: function(text) {},
* comment: function(text) {}
* });
*
* // or to get an XML string:
* HTMLtoXML(htmlString);
*
* // or to get an XML DOM Document
* HTMLtoDOM(htmlString);
*
* // or to inject into an existing document/DOM node
* HTMLtoDOM(htmlString, document);
* HTMLtoDOM(htmlString, document.body);
*
*/
// Regular Expressions for parsing tags and attributes
var startTag = /^<([-A-Za-z0-9_]+)((?:\s+[a-zA-Z_:][-a-zA-Z0-9_:.]*(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/
var endTag = /^<\/([-A-Za-z0-9_]+)[^>]*>/
var attr = /([a-zA-Z_:][-a-zA-Z0-9_:.]*)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g
// Empty Elements - HTML 5
var empty = /*#__PURE__*/ makeMap(
'area,base,basefont,br,col,frame,hr,img,input,link,meta,param,embed,command,keygen,source,track,wbr'
)
// Block Elements - HTML 5
// fixed by xxx 将 ins 标签从块级名单中移除
var block = /*#__PURE__*/ makeMap(
'a,address,article,applet,aside,audio,blockquote,button,canvas,center,dd,del,dir,div,dl,dt,fieldset,figcaption,figure,footer,form,frameset,h1,h2,h3,h4,h5,h6,header,hgroup,hr,iframe,isindex,li,map,menu,noframes,noscript,object,ol,output,p,pre,section,script,table,tbody,td,tfoot,th,thead,tr,ul,video'
)
// Inline Elements - HTML 5
var inline = /*#__PURE__*/ makeMap(
'abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var'
)
// Elements that you can, intentionally, leave open
// (and which close themselves)
var closeSelf = /*#__PURE__*/ makeMap(
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr'
)
// Attributes that have their values filled in disabled="disabled"
var fillAttrs = /*#__PURE__*/ makeMap(
'checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected'
)
// Special Elements (can contain anything)
var special = /*#__PURE__*/ makeMap('script,style')
export default function HTMLParser(html, handler) {
var index
var chars
var match
var stack = []
var last = html
stack.last = function () {
return this[this.length - 1]
}
while (html) {
chars = true
// Make sure we're not in a script or style element
if (!stack.last() || !special[stack.last()]) {
// Comment
if (html.indexOf('<!--') == 0) {
index = html.indexOf('-->')
if (index >= 0) {
if (handler.comment) {
handler.comment(html.substring(4, index))
}
html = html.substring(index + 3)
chars = false
}
// end tag
} else if (html.indexOf('</') == 0) {
match = html.match(endTag)
if (match) {
html = html.substring(match[0].length)
match[0].replace(endTag, parseEndTag)
chars = false
}
// start tag
} else if (html.indexOf('<') == 0) {
match = html.match(startTag)
if (match) {
html = html.substring(match[0].length)
match[0].replace(startTag, parseStartTag)
chars = false
}
}
if (chars) {
index = html.indexOf('<')
var text = index < 0 ? html : html.substring(0, index)
html = index < 0 ? '' : html.substring(index)
if (handler.chars) {
handler.chars(text)
}
}
} else {
html = html.replace(
new RegExp('([\\s\\S]*?)</' + stack.last() + '[^>]*>'),
function (all, text) {
text = text.replace(
/<!--([\s\S]*?)-->|<!\[CDATA\[([\s\S]*?)]]>/g,
'$1$2'
)
if (handler.chars) {
handler.chars(text)
}
return ''
}
)
parseEndTag('', stack.last())
}
if (html == last) {
throw 'Parse Error: ' + html
}
last = html
}
// Clean up any remaining tags
parseEndTag()
function parseStartTag(tag, tagName, rest, unary) {
tagName = tagName.toLowerCase()
if (block[tagName]) {
while (stack.last() && inline[stack.last()]) {
parseEndTag('', stack.last())
}
}
if (closeSelf[tagName] && stack.last() == tagName) {
parseEndTag('', tagName)
}
unary = empty[tagName] || !!unary
if (!unary) {
stack.push(tagName)
}
if (handler.start) {
var attrs = []
rest.replace(attr, function (match, name) {
var value = arguments[2]
? arguments[2]
: arguments[3]
? arguments[3]
: arguments[4]
? arguments[4]
: fillAttrs[name]
? name
: ''
attrs.push({
name: name,
value: value,
escaped: value.replace(/(^|[^\\])"/g, '$1\\"'), // "
})
})
if (handler.start) {
handler.start(tagName, attrs, unary)
}
}
}
function parseEndTag(tag, tagName) {
// If no tag name is provided, clean shop
if (!tagName) {
var pos = 0
}
// Find the closest opened tag of the same type
else {
for (var pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos] == tagName) {
break
}
}
}
if (pos >= 0) {
// Close all the open elements, up the stack
for (var i = stack.length - 1; i >= pos; i--) {
if (handler.end) {
handler.end(stack[i])
}
}
// Remove the open elements from the stack
stack.length = pos
}
}
}
function makeMap(str) {
var obj = {}
var items = str.split(',')
for (var i = 0; i < items.length; i++) {
obj[items[i]] = true
}
return obj
}
packages/uni-h5/dist/uni-h5.esm.js
浏览文件 @ 625282f1
......@@ -2845,12 +2845,12 @@ _sfc_main$i.render = _sfc_render$i;
var startTag = /^<([-A-Za-z0-9_]+)((?:\s+[a-zA-Z_:][-a-zA-Z0-9_:.]*(?:\s*=\s*(?:(?:"[^"]*")|(?:'[^']*')|[^>\s]+))?)*)\s*(\/?)>/;
var endTag = /^<\/([-A-Za-z0-9_]+)[^>]*>/;
var attr = /([a-zA-Z_:][-a-zA-Z0-9_:.]*)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g;
var empty = makeMap("area,base,basefont,br,col,frame,hr,img,input,link,meta,param,embed,command,keygen,source,track,wbr");
var block = makeMap("a,address,article,applet,aside,audio,blockquote,button,canvas,center,dd,del,dir,div,dl,dt,fieldset,figcaption,figure,footer,form,frameset,h1,h2,h3,h4,h5,h6,header,hgroup,hr,iframe,isindex,li,map,menu,noframes,noscript,object,ol,output,p,pre,section,script,table,tbody,td,tfoot,th,thead,tr,ul,video");
var inline = makeMap("abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var");
var closeSelf = makeMap("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr");
var fillAttrs = makeMap("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected");
var special = makeMap("script,style");
var empty = /* @__PURE__ */ makeMap("area,base,basefont,br,col,frame,hr,img,input,link,meta,param,embed,command,keygen,source,track,wbr");
var block = /* @__PURE__ */ makeMap("a,address,article,applet,aside,audio,blockquote,button,canvas,center,dd,del,dir,div,dl,dt,fieldset,figcaption,figure,footer,form,frameset,h1,h2,h3,h4,h5,h6,header,hgroup,hr,iframe,isindex,li,map,menu,noframes,noscript,object,ol,output,p,pre,section,script,table,tbody,td,tfoot,th,thead,tr,ul,video");
var inline = /* @__PURE__ */ makeMap("abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var");
var closeSelf = /* @__PURE__ */ makeMap("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr");
var fillAttrs = /* @__PURE__ */ makeMap("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected");
var special = /* @__PURE__ */ makeMap("script,style");
function HTMLParser(html, handler) {
var index2;
var chars2;
......
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