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Make use of failable initializers

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This commit is contained in:
Marius Rackwitz
2014-10-26 13:12:49 +00:00
parent 804bc658b2
commit 1bd2b21a13
1 changed files with 10 additions and 5 deletions
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15
Stencil/Template.swift
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@@ -11,11 +11,11 @@ import Foundation
public class Template {
let parser:TokenParser
public convenience init(named:String) {
public convenience init?(named:String) {
self.init(named:named, inBundle:nil)
}
public convenience init(named:String, inBundle bundle:NSBundle?) {
public convenience init?(named:String, inBundle bundle:NSBundle?) {
var url:NSURL?
if let bundle = bundle {
@@ -27,10 +27,15 @@ public class Template {
self.init(URL:url!)
}
public convenience init(URL:NSURL) {
public convenience init?(URL:NSURL) {
var error:NSError?
let templateString = NSString.stringWithContentsOfURL(URL, encoding: NSUTF8StringEncoding, error: &error)
self.init(templateString:templateString)
let maybeTemplateString = NSString(contentsOfURL: URL, encoding: NSUTF8StringEncoding, error: &error)
if let templateString = maybeTemplateString {
self.init(templateString:templateString)
} else {
self.init(templateString:"")
return nil
}
}
public init(templateString:String) {