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feat(for): Support filters

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Closes #70
This commit is contained in:
Kyle Fuller
2016-11-28 19:12:48 +00:00
parent b1da85b140
commit b7e200a8a0
4 changed files with 52 additions and 14 deletions
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11
Sources/ForTag.swift
View File

@@ -1,5 +1,5 @@
class ForNode : NodeType {
let variable:Variable
let resolvable: Resolvable
let loopVariable:String
let nodes:[NodeType]
let emptyNodes: [NodeType]
@@ -27,18 +27,19 @@ class ForNode : NodeType {
_ = parser.nextToken()
}
return ForNode(variable: variable, loopVariable: loopVariable, nodes: forNodes, emptyNodes:emptyNodes)
let filter = try parser.compileFilter(variable)
return ForNode(resolvable: filter, loopVariable: loopVariable, nodes: forNodes, emptyNodes:emptyNodes)
}
init(variable:String, loopVariable:String, nodes:[NodeType], emptyNodes:[NodeType]) {
self.variable = Variable(variable)
init(resolvable: Resolvable, loopVariable:String, nodes:[NodeType], emptyNodes:[NodeType]) {
self.resolvable = resolvable
self.loopVariable = loopVariable
self.nodes = nodes
self.emptyNodes = emptyNodes
}
func render(_ context: Context) throws -> String {
let values = try variable.resolve(context)
let values = try resolvable.resolve(context)
if let values = values as? [Any] , values.count > 0 {
let count = values.count

2
Sources/Parser.swift
View File

@@ -84,7 +84,7 @@ public class TokenParser {
throw TemplateSyntaxError("Invalid filter '\(name)'")
}
func compileFilter(_ token: String) throws -> Resolvable {
public func compileFilter(_ token: String) throws -> Resolvable {
return try FilterExpression(token: token, parser: self)
}
}