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Code Issues Releases Wiki Activity

Allow for multiple PDF engines / support Phantom PDFs.

Browse Source 
Start formalizing PDF generation apparatus and support a `--pdf`
parameter allowing the user to specify the flavor of PDF generation.
This commit is contained in:
hacksalot
2016-01-03 04:11:42 -05:00
parent 8d7cf32988
commit 0a8ee721e8
5 changed files with 58 additions and 50 deletions
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91
src/gen/html-pdf-generator.js
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@ -1,6 +1,7 @@
/**
Definition of the HtmlPdfGenerator class.
@module html-pdf-generator.js
@license MIT. See LICENSE.md for details.
*/
(function() {
@ -22,61 +23,59 @@ Definition of the HtmlPdfGenerator class.
Generate the binary PDF.
*/
onBeforeSave: function( info ) {
pdf.call( this, info.mk, info.outputFile );
engines[ info.opts.pdf || 'wkhtmltopdf' ]
.call( this, info.mk, info.outputFile );
return null; // halt further processing
}
});
/**
Generate a PDF from HTML.
*/
function pdf( markup, fOut ) {
pdf_wkhtmltopdf.call( this, markup, fOut );
var engines = {
/**
Generate a PDF from HTML using wkhtmltopdf.
*/
wkhtmltopdf: function(markup, fOut) {
var wk;
try {
wk = require('wkhtmltopdf');
wk( markup, { pageSize: 'letter' } )
.pipe( FS.createWriteStream( fOut ) );
}
catch(ex) {
// { [Error: write EPIPE] code: 'EPIPE', errno: 'EPIPE', ... }
// { [Error: ENOENT] }
throw { fluenterror: this.codes.wkhtmltopdf };
}
},
}
/**
Generate a PDF from HTML using wkhtmltopdf.
*/
function pdf_wkhtmltopdf( markup, fOut ) {
var wk;
try {
wk = require('wkhtmltopdf');
wk( markup, { pageSize: 'letter' } )
.pipe( FS.createWriteStream( fOut ) );
/**
Generate a PDF from HTML using Phantom.
*/
phantom: function( markup, fOut ) {
require('phantom').create( function( ph ) {
ph.createPage( function( page ) {
page.setContent( markup );
page.set('paperSize', {
format: 'A4',
orientation: 'portrait',
margin: '1cm'
});
page.set("viewportSize", {
width: 1024, // TODO: option-ify
height: 768 // TODO: Use "A" sizes
});
page.set('onLoadFinished', function(success) {
page.render( fOut );
ph.exit();
});
},
{ dnodeOpts: { weak: false } } );
});
}
catch(ex) {
// { [Error: write EPIPE] code: 'EPIPE', errno: 'EPIPE', syscall: 'write' }
// { [Error: ENOENT] }
throw { fluenterror: this.codes.wkhtmltopdf };
}
}
};
// function pdf_phantom() {
// pdfCount++;
// require('phantom').create( function( ph ) {
// ph.createPage( function( page ) {
// page.setContent( markup );
// page.set('paperSize', {
// format: 'A4',
// orientation: 'portrait',
// margin: '1cm'
// });
// page.set("viewportSize", {
// width: 1024, // TODO: option-ify
// height: 768 // TODO: Use "A" sizes
// });
// page.set('onLoadFinished', function(success) {
// page.render( fOut );
// pdfCount++;
// ph.exit();
// });
// },
// { dnodeOpts: { weak: false } } );
// });
// }
}());

5
src/gen/template-generator.js
View File

@ -152,7 +152,8 @@ Definition of the TemplateGenerator class.
file.data = that.onBeforeSave({
theme: theme,
outputFile: (file.info.major ? f : thisFilePath),
mk: file.data
mk: file.data,
opts: that.opts
});
if( !file.data ) return; // PDF etc
}
@ -161,7 +162,7 @@ Definition of the TemplateGenerator class.
FS.writeFileSync( fileName, file.data,
{ encoding: 'utf8', flags: 'w' } );
that.onAfterSave && that.onAfterSave(
{ outputFile: fileName, mk: file.data } );
{ outputFile: fileName, mk: file.data, opts: that.opts } );
}
catch(ex) {
require('../core/error-handler').err(ex, false);