Skip to content

Commit

Permalink
Export HTMLParser rather than attaching to window
Browse files Browse the repository at this point in the history
  • Loading branch information
Robert-Frampton authored and Robert-Frampton committed Oct 10, 2017
1 parent 7b10f84 commit 0861274
Show file tree
Hide file tree
Showing 2 changed files with 147 additions and 147 deletions.
4 changes: 2 additions & 2 deletions packages/metal-incremental-dom/src/html/HTML2IncDom.js
View file
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
'use strict';

import './HTMLParser';
import HTMLParser from './HTMLParser';
import unescape from './unescape';

var parser_;
Expand All @@ -22,7 +22,7 @@ class HTML2IncDom {
* @return {!function()}
*/
static getParser() {
return parser_ || window.HTMLParser;
return parser_ || HTMLParser;
}

/**
Expand Down
290 changes: 145 additions & 145 deletions packages/metal-incremental-dom/src/html/HTMLParser.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -85,177 +85,177 @@
*
*/

(function () {
// 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*(\/?)>/,
endTag = /^<\/([-A-Za-z0-9_]+)[^>]*>/,
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
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,ins,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");

var HTMLParser = window.HTMLParser = function (html, handler) {
var index, chars, match, stack = [], 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;
}
// 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*(\/?)>/,
endTag = /^<\/([-A-Za-z0-9_]+)[^>]*>/,
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
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,ins,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");

var HTMLParser = function (html, handler) {
var index, chars, match, stack = [], 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;
}

if (chars) {
index = html.indexOf("<");
// 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;
}

var text = index < 0 ? html : html.substring(0, index);
html = index < 0 ? "" : html.substring(index);
// start tag
} else if (html.indexOf("<") == 0) {
match = html.match(startTag);

if (handler.chars)
handler.chars(text);
if (match) {
html = html.substring(match[0].length);
match[0].replace(startTag, parseStartTag);
chars = false;
}
}

} 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);
if (chars) {
index = html.indexOf("<");

return "";
});
var text = index < 0 ? html : html.substring(0, index);
html = index < 0 ? "" : html.substring(index);

parseEndTag("", stack.last());
if (handler.chars)
handler.chars(text);
}

if (html == last)
throw "Parse Error: " + html;
last = html;
} 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());
}

// Clean up any remaining tags
parseEndTag();
if (html == last)
throw "Parse Error: " + html;
last = html;
}

function parseStartTag(tag, tagName, rest, unary) {
tagName = tagName.toLowerCase();
// Clean up any remaining tags
parseEndTag();

if (block[tagName]) {
// Close last tag if it's inline, except if it's a "span" (since people
// usually add anything they want to spans, and browsers allow it).
// Note: this exception for "span" was added manually (i.e. it's not
// present in the original code).
while (stack.last() && inline[stack.last()] && stack.last() !== 'span') {
parseEndTag("", stack.last());
}
}
function parseStartTag(tag, tagName, rest, unary) {
tagName = tagName.toLowerCase();

if (closeSelf[tagName] && stack.last() == tagName) {
parseEndTag("", tagName);
if (block[tagName]) {
// Close last tag if it's inline, except if it's a "span" (since people
// usually add anything they want to spans, and browsers allow it).
// Note: this exception for "span" was added manually (i.e. it's not
// present in the original code).
while (stack.last() && inline[stack.last()] && stack.last() !== 'span') {
parseEndTag("", stack.last());
}
}

if (closeSelf[tagName] && stack.last() == tagName) {
parseEndTag("", tagName);
}

unary = empty[tagName] || !!unary;
unary = empty[tagName] || !!unary;

if (!unary)
stack.push(tagName);
if (!unary)
stack.push(tagName);

if (handler.start) {
var attrs = [];
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 : "";
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\\\"') //"
});
attrs.push({
name: name,
value: value,
escaped: value.replace(/(^|[^\\])"/g, '$1\\\"') //"
});
});

if (handler.start)
handler.start(tagName, attrs, unary);
}
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 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 = {}, items = str.split(",");
for (var i = 0; i < items.length; i++)
obj[items[i]] = true;
return obj;
}
}).call(this);
};

function makeMap(str) {
var obj = {}, items = str.split(",");
for (var i = 0; i < items.length; i++)
obj[items[i]] = true;
return obj;
}

export default HTMLParser;

/* jshint ignore:end */

0 comments on commit 0861274

Please sign in to comment.