From 5bdd0c813567401f37505025dd4f1fb82b085278 Mon Sep 17 00:00:00 2001
From: SolitudeSF <solitudesf@protonmail.com>
Date: Fri, 11 Oct 2019 18:01:56 +0300
Subject: [PATCH 1/4] Add user specific config path.

---
 src/boomer.nim | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/boomer.nim b/src/boomer.nim
index 3e9b06b..dc1dacb 100644
--- a/src/boomer.nim
+++ b/src/boomer.nim
@@ -51,10 +51,13 @@ const
 
 proc main() =
   var config = defaultConfig
-  var configFile = ""
+  let configFile = block:
+    if paramCount() > 0:
+      paramStr(1)
+    else:
+      getConfigDir() / "boomer" / "config"
 
-  if paramCount() > 0:
-    configFile = paramStr(1)
+  if existsFile configFile:
     config = loadConfig(configFile)
 
   echo "Using config: ", config

From 59ea7ab324b0e230edbf6a4c02e3fa27dcb650c6 Mon Sep 17 00:00:00 2001
From: SolitudeSF <solitudesf@protonmail.com>
Date: Fri, 11 Oct 2019 17:51:15 +0300
Subject: [PATCH 2/4] Automatically parse config file according to object
 fields.

---
 src/config.nim | 46 ++++++++++++++++++++++++++++++----------------
 1 file changed, 30 insertions(+), 16 deletions(-)

diff --git a/src/config.nim b/src/config.nim
index 58046ab..8714183 100644
--- a/src/config.nim
+++ b/src/config.nim
@@ -1,5 +1,4 @@
-import macros
-import strutils
+import macros, strutils
 
 type Config* = object
   scrollSpeed*: float
@@ -16,22 +15,37 @@ const defaultConfig* = Config(
   fps: 60
 )
 
+func normIdent(s: string): string =
+  if s.len > 0:
+    result.add s[0]
+    for i in 1..s.high:
+      if s[i] != '_':
+        result.add s[i].toLowerAscii
+
+macro parseObject(obj: typed, key, val: string) =
+  result = newNimNode(nnkCaseStmt).add(newCall("normIdent", key))
+  for c in obj.getType[2]:
+    let a = case c.getType.typeKind
+    of ntyFloat:
+      newCall("parseFloat", val)
+    of ntyInt:
+      newCall("parseInt", val)
+    of ntyString:
+      val
+    else:
+      error "Unsupported type: " & c.getType.`$`
+      val
+    result.add newNimNode(nnkOfBranch).add(
+      newLit normIdent $c,
+      newStmtList(quote do: `obj`.`c` = `a`)
+    )
+  result.add newNimNode(nnkElse).add(quote do:
+    raise newException(CatchableError, "Unknown config key " & `key`))
+
 proc loadConfig*(filePath: string): Config =
   result = defaultConfig
   for line in filePath.lines:
-    let pair = line.split('=')
+    let pair = line.split('=', 1)
     let key = pair[0].strip
     let value = pair[1].strip
-    case key
-    of "scroll_speed":
-      result.scroll_speed = value.parseFloat
-    of "drag_velocity_factor":
-      result.drag_velocity_factor = value.parseFloat
-    of "drag_friction":
-      result.drag_friction = value.parseFloat
-    of "scale_friction":
-      result.scale_friction = value.parseFloat
-    of "fps":
-      result.fps = value.parseInt
-    else:
-      raise newException(Exception, "Unknown config key " & key)
+    result.parseObject key, value

From 9c1bc4f08fb7619f2ecadec4940a2b4efac9af17 Mon Sep 17 00:00:00 2001
From: SolitudeSF <solitudesf@protonmail.com>
Date: Wed, 16 Oct 2019 19:39:18 +0300
Subject: [PATCH 3/4] Remove style insensitive config handling.

---
 src/config.nim | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/src/config.nim b/src/config.nim
index 8714183..a80a531 100644
--- a/src/config.nim
+++ b/src/config.nim
@@ -15,15 +15,8 @@ const defaultConfig* = Config(
   fps: 60
 )
 
-func normIdent(s: string): string =
-  if s.len > 0:
-    result.add s[0]
-    for i in 1..s.high:
-      if s[i] != '_':
-        result.add s[i].toLowerAscii
-
 macro parseObject(obj: typed, key, val: string) =
-  result = newNimNode(nnkCaseStmt).add(newCall("normIdent", key))
+  result = newNimNode(nnkCaseStmt).add(key)
   for c in obj.getType[2]:
     let a = case c.getType.typeKind
     of ntyFloat:
@@ -36,7 +29,7 @@ macro parseObject(obj: typed, key, val: string) =
       error "Unsupported type: " & c.getType.`$`
       val
     result.add newNimNode(nnkOfBranch).add(
-      newLit normIdent $c,
+      newLit $c,
       newStmtList(quote do: `obj`.`c` = `a`)
     )
   result.add newNimNode(nnkElse).add(quote do:

From 63930a7acea0d51b9f0ee5cbb1ec84305604d262 Mon Sep 17 00:00:00 2001
From: SolitudeSF <solitudesf@protonmail.com>
Date: Wed, 16 Oct 2019 19:44:53 +0300
Subject: [PATCH 4/4] Add warning when config file is missing.

---
 src/boomer.nim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/boomer.nim b/src/boomer.nim
index dc1dacb..c28eb59 100644
--- a/src/boomer.nim
+++ b/src/boomer.nim
@@ -59,6 +59,8 @@ proc main() =
 
   if existsFile configFile:
     config = loadConfig(configFile)
+  else:
+    stderr.writeLine configFile & " doesn't exist. Using default values. "
 
   echo "Using config: ", config