diff lisp/lib-complete.el @ 412:697ef44129c6 r21-2-14

Import from CVS: tag r21-2-14
author cvs
date Mon, 13 Aug 2007 11:20:41 +0200
parents 74fd4e045ea6
children 41dbb7a9d5f2
line wrap: on
line diff
--- a/lisp/lib-complete.el	Mon Aug 13 11:19:22 2007 +0200
+++ b/lisp/lib-complete.el	Mon Aug 13 11:20:41 2007 +0200
@@ -38,6 +38,7 @@
 ;; Last Modified By: Heiko M|nkel <muenkel@tnt.uni-hannover.de>
 ;; Additional XEmacs integration By: Chuck Thompson <cthomp@cs.uiuc.edu>
 ;; Last Modified On: Thu Jul 1 14:23:00 1994
+;; RCS Info        : $Revision: 1.3.2.2 $ $Locker:  $
 ;; ========================================================================
 ;; NOTE: XEmacs must be redumped if this file is changed.
 ;;
@@ -56,7 +57,6 @@
 ;;; ChangeLog:
 
 ;; 4/26/97: sb Mule-ize.
-;; 6/24/1999 much rewriting from Bob Weiner
 
 ;;; Code:
 
@@ -217,6 +217,7 @@
       (if tail (setcdr tail nil)))))
 
 ;;=== Read a filename, with completion in a search path ===================
+(defvar read-library-internal-search-path)
 
 (defun read-library-internal (FILE FILTER FLAG)
   "Don't call this."
@@ -254,93 +255,79 @@
     (cond 
      ((equal library "") DEFAULT)
      (FULL (locate-file library read-library-internal-search-path
-			 '(".el" ".el.gz" ".elc")))
+			  '(".el" ".el.gz" ".elc")))
      (t library))))
 
-(defun read-library-name (prompt)
-  "PROMPTs for and returns an existing Elisp library name (without any suffix) or the empty string."
-  (interactive)
-  (let ((read-library-internal-search-path load-path))
-    (completing-read prompt
-		     'read-library-internal 
-		     (lambda (fn) 
-		       (cond
-			((string-match "\\.el\\(\\.gz\\|\\.Z\\)?$" fn)
-			 (substring fn 0 (match-beginning 0)))))
-		     t nil)))
-
 ;; NOTE: as a special case, read-library may be used to read a filename
 ;; relative to the current directory, returning a *relative* pathname
 ;; (read-file-name returns a full pathname).
 ;;
 ;; eg. (read-library "Local header: " '(nil) nil)
 
+(defun get-library-path ()
+  "Front end to read-library"
+  (read-library "Find Library file: " load-path nil t t
+		  (function (lambda (fn) 
+			      (cond
+			       ;; decompression doesn't work with mule -slb
+			       ((string-match (if (featurep 'mule)
+						  "\\.el$"
+						"\\.el\\(\\.gz\\)?$") fn)
+				(substring fn 0 (match-beginning 0))))))
+		  ))
+
 ;;=== Replacement for load-library with completion ========================
 
 (defun load-library (library)
   "Load the library named LIBRARY.
 This is an interface to the function `load'."
   (interactive 
-   (list (read-library "Load library: " load-path nil nil nil
-		       (function (lambda (fn) 
-				   (cond 
-				    ((string-match "\\.elc?$" fn)
-				     (substring fn 0 (match-beginning 0))))))
-		       ))) 
+   (list (read-library "Load Library: " load-path nil nil nil
+		  (function (lambda (fn) 
+			      (cond 
+			       ((string-match "\\.elc?$" fn)
+				(substring fn 0 (match-beginning 0))))))
+		  ))) 
   (load library))
 
-;;=== find-library with completion (Author: Bob Weiner) ===================
+;;=== find-library with completion (Author: Heiko Muenkel) ===================
 
-(defun find-library (library &optional codesys display-function)
-  "Find and display in the current window the source for the Elisp LIBRARY.
-LIBRARY should be a name without any path information and may include or omit
-the \".el\" suffix.  Under XEmacs/Mule, the optional second argument CODESYS
-specifies the coding system to use when decoding the file.  Interactively,
-with a prefix argument, this prompts for the coding system.  Optional third
-argument DISPLAY-FUNCTION must take two arguments, the filename to display
-and CODESYS.  The default for DISPLAY-FUNCTION is `find-file'."
+(defun find-library (library &optional codesys)
+  "Find and edit the source for the library named LIBRARY.
+The extension of the LIBRARY must be omitted.
+Under XEmacs/Mule, the optional second argument specifies the
+coding system to use when decoding the file.  Interactively,
+with a prefix argument, you will be prompted for the coding system."
   (interactive 
-   (list (read-library-name "Find library: ")
+   (list (get-library-path)
 	 (if current-prefix-arg
 	     (read-coding-system "Coding System: "))))
-  (let ((path (if (or (null library) (equal library ""))
-		   nil
-		(locate-file library load-path
-			     ;; decompression doesn't work with Mule -slb
-			     (if (featurep 'mule)
-				 ":.el:.elc"
-			       ":.el:.el.gz:.el.Z:.elc")))))
-    (if path (funcall (if (fboundp display-function)
-			  display-function 'find-file)
-		      path codesys)
-      (error "(find-library): Cannot locate library `%s'" library))))
+  (find-file library codesys))
 
 (defun find-library-other-window (library &optional codesys)
-  "Find and display in another window the source for the Elisp LIBRARY.
-LIBRARY should be a name without any path information and may include or omit
-the \".el\" suffix.  Under XEmacs/Mule, the optional second argument CODESYS
-specifies the coding system to use when decoding the file.  Interactively,
-with a prefix argument, this prompts for the coding system."
+  "Load the library named LIBRARY in another window.
+Under XEmacs/Mule, the optional second argument specifies the
+coding system to use when decoding the file.  Interactively,
+with a prefix argument, you will be prompted for the coding system."
   (interactive 
-   (list (read-library-name "Find library in other window: ")
+   (list (get-library-path)
 	 (if current-prefix-arg
-	     (read-coding-system "Coding System: "))))
-  (find-library library codesys 'find-file-other-window))
+	   (read-coding-system "Coding System: "))))
+  (find-file-other-window library codesys))
 
 (defun find-library-other-frame (library &optional codesys)
-  "Find and display in another frame the source for the Elisp LIBRARY.
-LIBRARY should be a name without any path information and may include or omit
-the \".el\" suffix.  Under XEmacs/Mule, the optional second argument CODESYS
-specifies the coding system to use when decoding the file.  Interactively,
-with a prefix argument, this prompts for the coding system."
+  "Load the library named LIBRARY in a newly-created frame.
+Under XEmacs/Mule, the optional second argument specifies the
+coding system to use when decoding the file.  Interactively,
+with a prefix argument, you will be prompted for the coding system."
   (interactive 
-   (list (read-library-name "Find library in other frame: ")
+   (list (get-library-path)
 	 (if current-prefix-arg
 	     (read-coding-system "Coding System: "))))
-  (find-library library codesys 'find-file-other-frame))
+  (find-file-other-frame library codesys))
 
-;; This conflicts with an existing binding.
-;;(define-key global-map "\C-xl" 'find-library)
+; This conflicts with an existing binding
+;(define-key global-map "\C-xl" 'find-library)
 (define-key global-map "\C-x4l" 'find-library-other-window)
 (define-key global-map "\C-x5l" 'find-library-other-frame)