tweaking some basic objc snippets

extras/imported/objc-mode/.yas-setup.el

@@ -1,4 +1,24 @@
-;;; conditions
+;;; constants
+(defvar yas/objc-void-regexp "\\(void\\|IBAction\\)")
+
+
+;;; helper stuff
+(defun yas/objc-guess-instance-name (text)
+  (if (string-match "NS\\(\\([AEIOQUY]\\)?[^ *]*\\)" text)
+      (if (match-beginning 2)
+          (concat "an" (capitalize (match-string-no-properties 1 text)))
+        (concat "a" (capitalize (match-string-no-properties 1 text))))
+    "arg"))
+
+(defun yas/objc-guess-member-name (text)
+  "Turns FOOBARBaz to baz"
+  (let ((case-fold-search nil))
+    (if (string-match "[A-Z]+\\([A-Z]\\)\\(.*\\)" text)
+        (concat (downcase (match-string-no-properties 1 text))
+                (match-string-no-properties 2 text))
+      text)))
+
+;;; cached conditions
 (yas/define-condition-cache
  yas/objc-interface-p
  "Non-nil if point inside an objc @interface declaration."
@@ -11,10 +31,10 @@
 
 (yas/define-condition-cache
  yas/objc-method-body-p
- "Non-nil if point inside an objc @implementation declaration."
+ "Non-nil if point inside an objc method definition."
  (yas/objc-in-c-block-like 'objc-method-intro))
 
-
+;;; helpers for cached conditions 
 (defun yas/objc-in-c-block-like (symbol-or-regexp)
   (let ((original-point (point))
         (start-point nil))

extras/imported/objc-mode/Common Method Calls/NSLog (log) 2.yasnippet

@@ -2,6 +2,7 @@
 # key: log
 # contributor: Translated from TextMate Snippet
 # name: NSLog(…)
-## condition: "source.objc, source.objc++"
+# condition: (and (yas/objc-implementation-p) (yas/objc-method-body-p))
 # --
-NSLog(@"$1"${1/[^%]*(%)?.*/(?1:, :\);)/}$2${1/[^%]*(%)?.*/(?1:\);)/}
+NSLog(@"${1:%@}"${1:$(if (string-match "%" text) ", " ");")
+}$2${1:$(if (string-match "%" text) ");" "")}$0

extras/imported/objc-mode/Language Boilerplate/050 Method (m).yasnippet

@@ -2,10 +2,9 @@
 # key: m
 # contributor: Translated from TextMate Snippet
 # name: Method
-## binding: "^M"
+# binding: C-c m
-## condition: "(source.objc | source.objc++) & meta.scope.implementation.objc - meta.function-with-body"
+# condition: (and (yas/objc-implementation-p) (not (yas/objc-method-body-p)))
 # --
-- (${1:id})${2:${TM_SELECTED_TEXT:method}}${3::(${4:id})${5:${4/(NS([AEIOQUY])?(\w+).*)|(.)?.*/(?1:a(?2:n$2)$3:(?4:anArgument))/}}}
+- (${1:id})${2:`(or yas/selected-text "method")`}${3::(${4:id})${5:${4:$(
-{$0${1/^(void|IBAction)$|(.*)/(?2:
+yas/objc-guess-instance-name yas/text)}}} {$0${1:$(if (
-	return nil;)/}
+string-match yas/objc-void-regexp text) "}" "\n  return nil;\n}")}
-}

extras/imported/objc-mode/Language Boilerplate/060 SubMethod (sm).yasnippet

@@ -2,10 +2,10 @@
 # key: sm
 # contributor: Translated from TextMate Snippet
 # name: Sub-method (Call Super)
-## condition: "(source.objc | source.objc++) & meta.scope.implementation.objc - meta.function-with-body"
+# condition: (and (yas/objc-implementation-p) (not (yas/objc-method-body-p)))
 # --
-- (${1:id})${2:method}${3::(${4:id})${5:${4/(NS([AEIOQUY])?(\w+).*)|(.)?.*/(?1:a(?2:n$2)$3:(?4:anArgument))/}}}
+- (${1:id})${2:`(or yas/selected-text "method")`}${3::(${4:id})${5:${4:$(
-{
+yas/objc-guess-instance-name yas/text)}}} {
-	${1/^(void|IBAction)$|(.*)/(?2:$2 res = )/}[super ${2:method}${5/.+/:$0/}];$0${1/^(void|IBAction)$|(.*)/(?2:
+${1:$(if (string-match yas/objc-void-regexp text) "" "res = ")}[super $2${5:$(
-	return res;)/}
+if (string= yas/text "") "" (concat ":" yas/text))}];${1:$(if (string-match yas/objc-void-regexp text) "" "\n  return res;")}
-}
+}

extras/imported/objc-mode/Language Boilerplate/Class Method (M).yasnippet

@@ -2,9 +2,8 @@
 # key: M
 # contributor: Translated from TextMate Snippet
 # name: Class Method
-## condition: "(source.objc | source.objc++) & meta.scope.implementation.objc - meta.function-with-body"
+# condition: (and (yas/objc-implementation-p) (not (yas/objc-method-body-p)))
 # --
-+ (${1:id})${2:method}${3::(${4:id})${5:${4/(NS([AEIOQUY])?(\w+).*)|(.)?.*/(?1:a(?2:n$2)$3:(?4:anArgument))/}}}
++ (${1:id})${2:`(or yas/selected-text "method")`}${3::(${4:id})${5:${4:$(
-{$0${1/^(void|IBAction)$|(.*)/(?2:
+yas/objc-guess-instance-name yas/text)}}} {$0${1:$(if (
-	return nil;)/}
+string-match yas/objc-void-regexp text) "}" "\n  return nil;\n}")}
-}

extras/imported/objc-mode/Language Boilerplate/IBOutlet (ibo).yasnippet

@@ -2,6 +2,6 @@
 # key: ibo
 # contributor: Translated from TextMate Snippet
 # name: IBOutlet
-## condition: "source.objc, source.objc++"
+# condition: (yas/objc-interface-p)
 # --
-IBOutlet ${1:NSSomeClass}${TM_C_POINTER: *}${2:${1/^[A-Z](?:[A-Z]+|[a-z]+)([A-Z]\w*)/\l$1/}};
+IBOutlet ${1:NSSomeClass}*${2:${1:$(yas/objc-guess-member-name yas/text)}};

extras/imported/objc-mode/Language Boilerplate/Initialize Implementation (I).yasnippet

@@ -2,7 +2,7 @@
 # key: I
 # contributor: Translated from TextMate Snippet
 # name: Method: Initialize
-## condition: "(source.objc | source.objc++) & meta.scope.implementation.objc - meta.function-with-body"
+# condition: (and (yas/objc-implementation-p) (not (yas/objc-method-body-p)))
 # --
 + (void)initialize
 {

extras/imported/objc-mode/Method Interface (m).yasnippet

@@ -2,7 +2,7 @@
 # key: m
 # contributor: Translated from TextMate Snippet
 # name: Interface: Method
-## binding: "^M"
+# binding: "C-c m"
-## condition: "source.objc meta.scope.interface, source.objc++ meta.scope.interface"
+# condition: (yas/objc-interface-p)
 # --
 - (${1:id})${2:${TM_SELECTED_TEXT:method}}${3::(${4:id})${5:${4/(NS([AEIOQUY])?(\w+).*)|(.)?.*/(?1:a(?2:n$2)$3:(?4:anArgument))/}}};

extras/imported/objc-mode/NSLog(.., _cmd) (log).yasnippet

@@ -1,7 +0,0 @@
-# -*- mode: snippet -*-
-# key: log
-# contributor: Translated from TextMate Snippet
-# name: NSLog(.., _cmd)
-## condition: "source.objc meta.scope.implementation, source.objc++ meta.scope.implementation"
-# --
-NSLog(@"%s$1", _cmd${1/[^%]*(%)?.*/(?1:, :\);)/}$2${1/[^%]*(%)?.*/(?1:\);)/}