idt
Version:
Integration Develop Tool For Django Template、PHP Smarty、Java Velocity、Java Freemarker
191 lines (160 loc) • 5.82 kB
JavaScript
/**
* 获取模板渲染引擎
*/
var util = require( 'util' );
var fs = require( 'fs' );
/**
* velocity的模板引擎
* @type {exports.Engine|*}
*/
var velocityEngine = require( 'velocity' ).Engine;
/**
* django的模板引擎
*/
var djangoEngine = require( 'django' );
/**
* smarty的模板引擎
*/
var smartyEngine = require( 'nsmarty' );
/**
* freemarker模板引擎
* @type {exports}
*/
var freemarkerEngine = require( 'freemarker.js' );
module.exports = {
/**
* 获取渲染引擎
* @param tplFile
* @param config
*/
getEngine : function ( tplFile, config ) {
var tplFileOld = tplFile;
var useTemp = false;
if ( config.wsBeforeReplace && config.wsBeforeReplace.html ) {
tplFile = tplFile + '.tmp';
var fileConOld = fs.readFileSync( tplFileOld).toString();
var fileConNew = fileConOld;
for ( var i = 0, len = config.wsBeforeReplace.html.length;
i < len; i ++ ) {
fileConNew = fileConNew.replace(
config.wsBeforeReplace.html[ i ].pattern,
config.wsBeforeReplace.html[ i ].replace
);
}
fs.writeFileSync( tplFile, fileConNew );
useTemp = true;
}
/**
* 每一个engine必须要留有一个render方法
* @type {{velocity: velocityEngine}}
*/
var engines = {
// velocity
velocity: {
/**
* 自定义的render方法
* @param context
*/
render: function ( context, callback ) {
try {
var renderer = new velocityEngine( {
root: config.templates,
template: tplFile,
cache: false
} );
callback( renderer.render( context ) );
}
catch( e ) {
}
finally {
useTemp && fs.unlinkSync( tplFile );
}
}
},
// django
django: {
/**
* 自定义的render方法
* @param context
*/
render: function ( context, callback ) {
try {
djangoEngine.configure( {
template_dirs: config.templates
} );
return djangoEngine
.renderFile( tplFile, context, function ( err, out ) {
if ( err )
throw err;
callback( out );
useTemp && fs.unlinkSync( tplFile );
} );
}
catch( e ) {
useTemp && fs.unlinkSync( tplFile );
}
finally { }
}
},
smarty: {
render: function ( context, callback ) {
try {
// 特殊处理
if ( config.templates.lastIndexOf( '/' )
!= config.templates.length - 1 ) {
config.templates += '/';
}
smartyEngine.tpl_path = config.templates;
smartyEngine.clearCache();
var readable = smartyEngine.assign( tplFile, context );
var out = '';
readable.on( 'data', function( chunk ) {
if ( !chunk )
return;
out += chunk.toString();
} );
readable.on( 'end', function() {
callback( out );
useTemp && fs.unlinkSync( tplFile );
} );
}
catch( e ) {
useTemp && fs.unlinkSync( tplFile );
}
finally {
}
}
},
freemarker: {
render: function ( context, callback ) {
try {
var fm = new freemarkerEngine( {
viewRoot: config.templates,
// 查看这里：http://fmpp.sourceforge.net/settings.html#sect6
options: {
sourceEncoding: 'UTF-8',
outputEncoding: 'UTF-8'
/** for fmpp */
}
} );
// freemarker会自动拼接viewRoot和tplFile。。
tplFile = tplFile.replace( config.templates, '' );
fm.render( tplFile, JSON.stringify( context ), function(err, html, output) {
if ( err ) {
throw err;
}
callback( html );
useTemp && fs.unlinkSync( tplFile );
} );
}
catch( e ) {
useTemp && fs.unlinkSync( tplFile );
}
finally {
}
}
}
};
return engines[ config.tplEngine || 'velocity' ];
}
};