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Allow template filters to throw errors

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This commit is contained in:
Kyle Fuller
2015-10-24 14:41:37 -07:00
parent f35be4b701
commit 8ac6e26876
5 changed files with 29 additions and 20 deletions
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10
Stencil/Node.swift
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@@ -47,7 +47,7 @@ public class TextNode : NodeType {
}
public protocol Resolvable {
func resolve(context: Context) -> Any?
func resolve(context: Context) throws -> Any?
}
public class VariableNode : NodeType {
@@ -62,7 +62,7 @@ public class VariableNode : NodeType {
}
public func render(context: Context) throws -> String {
let result = variable.resolve(context)
let result = try variable.resolve(context)
if let result = result as? String {
return result
@@ -99,7 +99,7 @@ public class NowNode : NodeType {
public func render(context: Context) throws -> String {
let date = NSDate()
let format = self.format.resolve(context)
let format = try self.format.resolve(context)
var formatter:NSDateFormatter?
if let format = format as? NSDateFormatter {
@@ -154,7 +154,7 @@ public class ForNode : NodeType {
}
public func render(context: Context) throws -> String {
let values = variable.resolve(context)
let values = try variable.resolve(context)
if let values = values as? NSArray {
return try values.map { item in
context.push()
@@ -227,7 +227,7 @@ public class IfNode : NodeType {
}
public func render(context: Context) throws -> String {
let result = variable.resolve(context)
let result = try variable.resolve(context)
var truthy = false
if let result = result as? [AnyObject] {