/
OutputWriter.swift
47 lines (41 loc) · 1.55 KB
/
OutputWriter.swift
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//
// Copyright (c) 2018. Uber Technologies
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
/// Combines a list of entities and import lines and header and writes the final output
func write(candidates: [(String, Int64)],
header: String?,
macro: String?,
imports: String,
to outputFilePath: String) -> String {
let entities = candidates
.sorted { (left: (String, Int64), right: (String, Int64)) -> Bool in
if left.1 == right.1 {
return left.0 < right.0
}
return left.1 < right.1
}
.map{$0.0}
let headerStr = (header ?? "") + .headerDoc
var macroStart = ""
var macroEnd = ""
if let mcr = macro, !mcr.isEmpty {
macroStart = .poundIf + mcr
macroEnd = .poundEndIf
}
let ret = [headerStr, macroStart, imports, entities.joined(separator: "\n"), macroEnd].joined(separator: "\n\n")
_ = try? ret.write(toFile: outputFilePath, atomically: true, encoding: .utf8)
return ret
}