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/* Copyright (c) Business Objects 2006. All rights reserved. */
if (typeof(bobj.html) == 'undefined') {
bobj.html = {};
}
bobj.html.openTag = function(tag, atts) {
var html = '<' + tag;
for (var i in atts) {
html += ' ' + i + '="';
var value = atts[i];
if (bobj.isArray(value)) {
value = value.join(' ');
}
else if (bobj.isObject(value)) {
// create a string of the form "foo:bar;baz:garply"
var stringValue = ""
for (var k in value) {
stringValue += k + ':' + value[k] + ';';
}
value = stringValue;
}
html += value + '"';
}
return html + '>'
};
bobj.html.closeTag = function(tag) {
return '</' + tag + '>';
};
bobj.html.createHtml = function(tag, atts, innerHtml /*, innerHtml...*/) {
var html = bobj.html.openTag(tag, atts);
for (var i = 2; i < arguments.length; ++i) {
html += arguments[i];
}
html += bobj.html.closeTag(tag);
return html;
};
bobj.html.TABLE = MochiKit.Base.partial(bobj.html.createHtml, 'table');
bobj.html.UL = MochiKit.Base.partial(bobj.html.createHtml, "ul");
bobj.html.OL = MochiKit.Base.partial(bobj.html.createHtml, "ol");
bobj.html.LI = MochiKit.Base.partial(bobj.html.createHtml, "li");
bobj.html.TD = MochiKit.Base.partial(bobj.html.createHtml, "td");
bobj.html.TR = MochiKit.Base.partial(bobj.html.createHtml, "tr");
bobj.html.TBODY = MochiKit.Base.partial(bobj.html.createHtml, "tbody");
bobj.html.THEAD = MochiKit.Base.partial(bobj.html.createHtml, "thead");
bobj.html.TFOOT = MochiKit.Base.partial(bobj.html.createHtml, "tfoot");
bobj.html.TABLE = MochiKit.Base.partial(bobj.html.createHtml, "table");
bobj.html.TH = MochiKit.Base.partial(bobj.html.createHtml, "th");
bobj.html.INPUT = MochiKit.Base.partial(bobj.html.createHtml, "input");
bobj.html.SPAN = MochiKit.Base.partial(bobj.html.createHtml, "span");
bobj.html.A = MochiKit.Base.partial(bobj.html.createHtml, "a");
bobj.html.DIV = MochiKit.Base.partial(bobj.html.createHtml, "div");
bobj.html.IMG = MochiKit.Base.partial(bobj.html.createHtml, "img");
bobj.html.BUTTON = MochiKit.Base.partial(bobj.html.createHtml, "button");
bobj.html.TT = MochiKit.Base.partial(bobj.html.createHtml, "tt");
bobj.html.PRE = MochiKit.Base.partial(bobj.html.createHtml, "pre");
bobj.html.H1 = MochiKit.Base.partial(bobj.html.createHtml, "h1");
bobj.html.H2 = MochiKit.Base.partial(bobj.html.createHtml, "h2");
bobj.html.H3 = MochiKit.Base.partial(bobj.html.createHtml, "h3");
bobj.html.BR = MochiKit.Base.partial(bobj.html.createHtml, "br");
bobj.html.HR = MochiKit.Base.partial(bobj.html.createHtml, "hr");
bobj.html.LABEL = MochiKit.Base.partial(bobj.html.createHtml, "label");
bobj.html.TEXTAREA = MochiKit.Base.partial(bobj.html.createHtml, "textarea");
bobj.html.FORM = MochiKit.Base.partial(bobj.html.createHtml, "form");
bobj.html.P = MochiKit.Base.partial(bobj.html.createHtml, "p");
bobj.html.SELECT = MochiKit.Base.partial(bobj.html.createHtml, "select");
bobj.html.OPTION = MochiKit.Base.partial(bobj.html.createHtml, "option");
bobj.html.OPTGROUP = MochiKit.Base.partial(bobj.html.createHtml, "optgroup");
bobj.html.LEGEND = MochiKit.Base.partial(bobj.html.createHtml, "legend");
bobj.html.FIELDSET = MochiKit.Base.partial(bobj.html.createHtml, "fieldset");
bobj.html.STRONG = MochiKit.Base.partial(bobj.html.createHtml, "strong");
bobj.html.CANVAS = MochiKit.Base.partial(bobj.html.createHtml, "canvas");
bobj.html.IFRAME = MochiKit.Base.partial(bobj.html.createHtml, "iframe");
bobj.html.SCRIPT = MochiKit.Base.partial(bobj.html.createHtml, "script");
/**
* Extract scripts from an html fragment.
*
* @param html [String] html fragment
*
* @return [Object] Returns an object with a list of scripts and html without
* scripts
* i.e. {scripts: [{src:[String], text:[String]},...], html:[String]}
*/
bobj.html.extractScripts = function(html) {
// Match script tags with or without closing tags
// 1 - Attributes of tag that doesn't have closing tag (e.g. <script/>)
// 2 - Attributes of tag that has closing tag
// 3 - Script text
// 1 2 3
var regexpScript = /(?:<script([^>]*)\/>|<script([^>]*)>([\s\S]*?)<\/script>)/i;
// Match src attributes
// 1 - URI
// 1
var regexpSrc = /src=\"([^\"]*)\"/i;
var scripts = [];
var match = null;
while(match = regexpScript.exec(html)) {
var script = {src: null, text: null};
var attributes = match[1] || match[2];
if (attributes = regexpSrc.exec(attributes)) {
script.src = attributes[1];
}
if (match[3]) {
script.text = match[3];
}
scripts.push(script);
html = bobj.extractRange(html, match.index, match.index + match[0].length);
}
return {scripts: scripts, html: html};
}
/**
* Extract scripts and css links from a html fragment.
*
* @param html [String] html fragment
*
* @return [Object] Returns an object with a list of scripts, css links and html
* i.e. {scripts: [{src:[String], text:[String]},...], html:[String], links: [String,...]}
*/
bobj.html.extractHtml = function(html) {
var extScripts = bobj.html.extractScripts(html);
var extLinks = bobj.html.extractLinks(extScripts.html);
var extStyles = bobj.html.extractStyles(extLinks.html);
return {scripts: extScripts.scripts, html : extStyles.html, links : extLinks.links, styles: extStyles.styles};
}
/**
* Extract css links from a html fragment.
*
* @param html [String] html fragment
*
* @return [Object] Returns an object with a list of links and html without
* links
* i.e. {links: [String,...], html:[String]}
*/
bobj.html.extractLinks = function(html) {
var regexpLink = /<link([^>]*)>/i;
var regexpHref = /href=\"([^\"]*)\"/i;
var links = [];
var match = null;
while(match = regexpLink.exec(html)) {
// match = "<link href='' \>
var href = regexpHref.exec(match);
if(href && href.length > 0) {
links.push(href[1]);
}
html = bobj.extractRange(html, match.index, match.index + match[0].length);
}
return {links: links, html: html};
}
/**
* Extract <style> tags from an html fragment.
* Note - links to external style sheets are not currently extracted
*
* @param html [String] html fragment
*
* @return [Object] Returns an object with a list of styles and html without
* styles
* i.e. {styles: [{text:[String], type:[String], media:[String]},...], html:[String]}
*/
bobj.html.extractStyles = function(html) {
// Match style tags
// 1 - Attributes
// 2 - CSS text
// 1 2
var regexpStyle = /<style([^>]*)>([\s\S]*?)<\/style>/i;
var regexpType = /type=\"([^\"]*)\"/i;
var regexpMedia = /media=\"([^\"]*)\"/i;
var styles = [];
var match = null;
while(match = regexpStyle.exec(html)) {
var style = {media: null, type: null, text: match[2]};
var matchType = regexpType.exec(match[1]);
if (matchType) {
style.type = matchType[1];
}
var matchMedia = regexpMedia.exec(match[1]);
if (matchMedia) {
style.media = matchMedia[1];
}
styles.push(style);
html = bobj.extractRange(html, match.index, match.index + match[0].length);
}
return {styles: styles, html: html};
}