From d361371d236c90bfb550e827124b5350deeadbda Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Thu, 28 Jun 2018 11:11:19 -0400
Subject: generators: refactor toPLIST

---
 lib/generators.nix | 86 +++++++++++++++++++++++++++---------------------------
 1 file changed, 43 insertions(+), 43 deletions(-)

(limited to 'lib/generators.nix')

diff --git a/lib/generators.nix b/lib/generators.nix
index aab4498f9c6..14332981583 100644
--- a/lib/generators.nix
+++ b/lib/generators.nix
@@ -176,51 +176,51 @@ rec {
     else abort "toPretty: should never happen (v = ${v})";
 
   # PLIST handling
-
-  toPLIST = x: ''
+  toPLIST = {}: v: let
+    pprExpr = ind: x: with builtins;
+      if isNull x then "" else
+      if isBool x then pprBool ind x else
+      if isInt x then pprInt ind x else
+      if isString x then pprStr ind x else
+      if isList x then pprList ind x else
+      if isAttrs x then pprAttrs ind x else
+      abort "pprExpr: should never happen (v = ${v})";
+
+    pprLiteral = ind: x: ind + x;
+
+    pprBool = ind: x: pprLiteral ind  (if x then "<true/>" else "<false/>");
+    pprInt = ind: x: pprLiteral ind "<integer>${toString x}</integer>";
+    pprStr = ind: x: pprLiteral ind "<string>${x}</string>";
+    pprKey = ind: x: pprLiteral ind "<key>${x}</key>";
+
+    pprIndent = ind: pprExpr "\t${ind}";
+
+    pprItem = ind: libStr.concatMapStringsSep "\n" (pprIndent ind);
+
+    pprList = ind: x: libStr.concatStringsSep "\n" [
+      (pprLiteral ind "<array>")
+      (pprItem ind x)
+      (pprLiteral ind "</array>")
+    ];
+
+    pprAttrs = ind: x: libStr.concatStringsSep "\n" [
+      (pprLiteral ind "<dict>")
+      (pprAttr ind x)
+      (pprLiteral ind "</dict>")
+    ];
+
+    pprAttr = let attrFilter = name: value: name != "_module" && value != null;
+    in ind: x: libStr.concatStringsSep "\n" (lib.flatten (lib.mapAttrsToList
+      (name: value: lib.optional (attrFilter name value) [
+      (pprKey "\t${ind}" name)
+      (pprExpr "\t${ind}" value)
+    ]) x));
+
+  in ''
     <?xml version="1.0" encoding="UTF-8"?>
     <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
     <plist version="1.0">
-  '' + pprExpr "" x
-     + "\n</plist>";
-
-  pprExpr = ind: x: with builtins;
-    if isNull x then "" else
-    if isBool x then pprBool ind x else
-    if isInt x then pprInt ind x else
-    if isString x then pprStr ind x else
-    if isList x then pprList ind x else
-    if isAttrs x then pprAttrs ind x else
-    throw "invalid plist type";
-
-  pprLiteral = ind: x: ind + x;
-
-  pprBool = ind: x: pprLiteral ind  (if x then "<true/>" else "<false/>");
-  pprInt = ind: x: pprLiteral ind "<integer>${toString x}</integer>";
-  pprStr = ind: x: pprLiteral ind "<string>${x}</string>";
-  pprKey = ind: x: pprLiteral ind "<key>${x}</key>";
-
-  pprIndent = ind: pprExpr "\t${ind}";
-
-  pprItem = ind: libStr.concatMapStringsSep "\n" (pprIndent ind);
-
-  pprList = ind: x: libStr.concatStringsSep "\n" [
-    (pprLiteral ind "<array>")
-    (pprItem ind x)
-    (pprLiteral ind "</array>")
-  ];
-
-  pprAttrs = ind: x: libStr.concatStringsSep "\n" [
-    (pprLiteral ind "<dict>")
-    (pprAttr ind x)
-    (pprLiteral ind "</dict>")
-  ];
-
-  attrFilter = name: value: name != "_module" && value != null;
-
-  pprAttr = ind: x: libStr.concatStringsSep "\n" (lib.flatten (lib.mapAttrsToList (name: value: lib.optional (attrFilter name value) [
-    (pprKey "\t${ind}" name)
-    (pprExpr "\t${ind}" value)
-  ]) x));
+  ${pprExpr "" v}
+    </plist>'';
 
 }
-- 
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