%PDF-
%PDF-
Mini Shell
Mini Shell
"use strict";
var path = require( "path" );
var unescape = require( "lodash.unescape" );
var xtend = require( "xtend" );
var parallel = require( "async" ).parallel;
var inline = require( "./util" );
var css = require( "./css" );
var htmlparser = require( "htmlparser2" );
module.exports = function( options, callback )
{
var settings = xtend( {}, inline.defaults, options );
function replaceInlineAttribute( string )
{
return string
.replace( new RegExp( " " + settings.inlineAttribute + "-ignore" + inline.attrValueExpression, "gi" ), "" )
.replace( new RegExp( " " + settings.inlineAttribute + inline.attrValueExpression, "gi" ), "" );
}
var replaceScript = function( callback )
{
var args = this;
args.element = replaceInlineAttribute( args.element );
inline.getTextReplacement( args.src, settings, function( err, content )
{
if( err )
{
return inline.handleReplaceErr( err, args.src, settings.strict, callback );
}
var onTransform = function( err, content )
{
if( err )
{
return callback( err );
}
if( !content || typeof( args.limit ) === "number" && content.length > args.limit * 1000 )
{
return callback( null );
}
var html = content.toString();
html = html.replace( /<\/script>/gmi, "<\\/script>" );
html = "<script" + ( args.attrs ? " " + args.attrs : "" ) + ">\n" + html + "\n</script>";
var re = new RegExp( inline.escapeSpecialChars( args.element ), "g" );
result = result.replace( re, () => html );
return callback( null );
};
if( options.scriptTransform )
{
return options.scriptTransform( content, onTransform );
}
onTransform( null, content );
} );
};
var replaceLink = function( callback )
{
var args = this;
args.element = replaceInlineAttribute( args.element );
inline.getTextReplacement( args.src, settings, function( err, content )
{
if( err )
{
return inline.handleReplaceErr( err, args.src, settings.strict, callback );
}
var onTransform = function( err, content )
{
if( err )
{
return callback( err );
}
if( !content || typeof( args.limit ) === "number" && content.length > args.limit * 1000 )
{
return callback( null );
}
var cssOptions = xtend( {}, settings, {
fileContent: content.toString(),
rebaseRelativeTo: path.relative( settings.relativeTo, settings.rebaseRelativeTo || path.join( settings.relativeTo, args.src, ".." + path.sep ) )
} );
css( cssOptions, function( err, content )
{
if( err )
{
return callback( err );
}
var html = content.toString();
html = html.replace( /<\/script>/gmi, "<\\/script>" );
html = "<style" + ( args.attrs ? " " + args.attrs : "" ) + ">\n" + html.replace( /\/\*[\s]*--[\s]*>*/gm, "/* - ->" ) + "\n</style>";
var re = new RegExp( inline.escapeSpecialChars( args.element ), "g" );
result = result.replace( re, () => html );
return callback( null );
} );
};
if( options.linkTransform )
{
return options.linkTransform( content, onTransform );
}
onTransform( null, content );
} );
};
var replaceImg = function( callback )
{
var args = this;
args.element = replaceInlineAttribute( args.element );
inline.getFileReplacement( args.src, settings, function( err, datauriContent )
{
if( err )
{
return inline.handleReplaceErr( err, args.src, settings.strict, callback );
}
if( !datauriContent || typeof( args.limit ) === "number" && datauriContent.length > args.limit * 1000 )
{
return callback( null );
}
var html = "<img" + ( args.attrs ? " " + args.attrs : "" ) + " src=\"" + datauriContent + "\" />";
var re = new RegExp( inline.escapeSpecialChars( args.element ), "g" );
result = result.replace( re, () => html );
return callback( null );
} );
};
var replaceSvg = function( callback )
{
var args = this;
args.element = replaceInlineAttribute( args.element );
inline.getTextReplacement( args.src, settings, function( err, content )
{
if( err )
{
return inline.handleReplaceErr( err, args.src, settings.strict, callback );
}
if( !content || typeof( args.limit ) === "number" && content.length > args.limit * 1000 )
{
return callback( null );
}
var handler = new htmlparser.DomHandler( function( err, dom )
{
if( err )
{
return callback( err );
}
var svg = htmlparser.DomUtils.getElements( { id: args.id }, dom );
if( svg.length )
{
var use = htmlparser.DomUtils.getInnerHTML( svg[ 0 ] );
var re = new RegExp( inline.escapeSpecialChars( args.element ), "g" );
result = result.replace( re, () => use );
}
return callback( null );
},{ normalizeWhitespace: true } );
var parser = new htmlparser.Parser( handler, { xmlMode: true } );
parser.write( content );
parser.done();
} );
};
var result = settings.fileContent;
var tasks = [];
var found;
var inlineAttributeRegex = new RegExp( settings.inlineAttribute, "i" );
var inlineAttributeIgnoreRegex = new RegExp( settings.inlineAttribute + "-ignore", "i" );
var relStylesheetAttributeIgnoreRegex = new RegExp( "stylesheet", "i" );
var scriptRegex = /<script\b[^>]+?\bsrc\s*=\s*("|')([\s\S]+?)\1[\s\S]*?>[\s\w\S]*?(?=<\/script>)<\/script>/gi;
while( ( found = scriptRegex.exec( result ) ) !== null )
{
if( !inlineAttributeIgnoreRegex.test( found[ 0 ] ) &&
( settings.scripts || inlineAttributeRegex.test( found[ 0 ] ) ) )
{
var src = unescape( found[ 2 ] ).trim();
if ( src && src.indexOf( "#" ) !== 0 )
{
tasks.push( replaceScript.bind(
{
element: found[ 0 ],
src: src,
attrs: inline.getAttrs( found[ 0 ], settings ),
limit: settings.scripts
} ) );
}
}
}
var linkRegex = /<link\b[\s\S]+?\bhref\s*=\s*("|')([\s\S]*?)\1[\s\S]*?>/gm;
while( ( found = linkRegex.exec( result ) ) !== null )
{
if( !inlineAttributeIgnoreRegex.test( found[ 0 ] ) &&
relStylesheetAttributeIgnoreRegex.test( found[ 0 ] ) &&
( settings.links || inlineAttributeRegex.test( found[ 0 ] ) ) )
{
var src = unescape( found[ 2 ] ).trim();
if ( src && src.indexOf( "#" ) !== 0 )
{
tasks.push( replaceLink.bind(
{
element: found[ 0 ],
src: src,
attrs: inline.getAttrs( found[ 0 ], settings ),
limit: settings.links
} ) );
}
}
}
var imgRegex = /<img\b[\s\S]+?\bsrc\s*=\s*("|')([\s\S]*?)\1[\s\S]*?>/gm;
while( ( found = imgRegex.exec( result ) ) !== null )
{
if( !inlineAttributeIgnoreRegex.test( found[ 0 ] ) &&
( settings.images || inlineAttributeRegex.test( found[ 0 ] ) ) )
{
var src = unescape( found[ 2 ] ).trim();
if ( src && src.indexOf( "#" ) !== 0 ) {
tasks.push( replaceImg.bind(
{
element: found[ 0 ],
src: src,
attrs: inline.getAttrs( found[ 0 ], settings ),
limit: settings.images
} ) );
}
}
}
var svgRegex = /<use\b[\s\S]+?\bxlink:href\s*=\s*("|')([\s\S]+?)#([^"'\s]*)("|')\s*\/?>(<\/\s*use>)?/gi;
while( ( found = svgRegex.exec( result ) ) !== null )
{
if( !inlineAttributeIgnoreRegex.test( found[ 0 ] ) &&
( settings.svgs || inlineAttributeRegex.test( found[ 0 ] ) ) )
{
tasks.push( replaceSvg.bind(
{
element: found[ 0 ],
src: unescape( found[ 2 ] ).trim(),
attrs: inline.getAttrs( found[ 0 ], settings ),
limit: settings.svgs,
id: unescape( found[ 3 ] ).trim()
} ) );
}
}
result = replaceInlineAttribute( result );
parallel( tasks, function( err )
{
callback( err, result );
} );
};
Zerion Mini Shell 1.0