Get rid of some lib dependencies.

The charset business isn't worth depending on an AGPL licenced lib which
is part of a huge Quicklisp system.

pgloader.asd

@@ -20,7 +20,6 @@
 		 #:drakma		; http client, download archives
 		 #:zip			; support for zip archive files
 		 #:flexi-streams	; streams
-		 #:com.informatimago.clext ; portable character-sets listings
 		 #:usocket		; UDP / syslog
 		 #:local-time		; UDP date parsing
 		 #:command-line-arguments ; for the main function
@@ -44,8 +43,10 @@
                                              "package"
                                              "logs"))
 
+	       (:file "charsets":depends-on ("package"))
 	       (:file "utils"   :depends-on ("params"
                                              "package"
+                                             "charsets"
                                              "monitor"))
 
 	       ;; those are one-package-per-file

src/main.lisp

@@ -1,16 +1,5 @@
 (in-package #:pgloader)
 
-(defun list-encodings ()
-  "List known encodings names and aliases from charsets::*lisp-encodings*."
-  (format *standard-output* "Name    ~30TAliases~%")
-  (format *standard-output* "--------~30T--------------~%")
-  (loop
-     with encodings = (sort (copy-tree charsets::*lisp-encodings*) #'string<
-			    :key #'car)
-     for (name . aliases) in encodings
-     do (format *standard-output* "~a~30T~{~a~^, ~}~%" name aliases))
-  (terpri))
-
 (defun log-threshold (min-message &key quiet verbose debug)
   "Return the internal value to use given the script parameters."
   (cond ((and debug verbose) :data)
@@ -135,7 +124,7 @@
 	(when (or help version) (uiop:quit))
 
 	(when list-encodings
-	  (list-encodings)
+	  (show-encodings)
 	  (uiop:quit))
 
 	(when upgrade-config

src/package.lisp

@@ -55,7 +55,10 @@
 	   #:with-stats-collection
 	   #:slurp-file-into-string
 	   #:camelCase-to-colname
-           #:make-kernel))
+           #:make-kernel
+           #:list-encodings-and-aliases
+           #:show-encodings
+           #:make-external-format))
 
 
 ;;;
@@ -322,6 +325,5 @@
 	(lparallel.queue lq)
 	(simple-date date)
 	(split-sequence sq)
-	(com.informatimago.clext.character-sets charsets)
 	(py-configparser ini))
    do (rename-package package package nicknames))

src/parser.lisp

@@ -1504,17 +1504,17 @@ load database
 ;;
 (defun find-encoding-by-name-or-alias (encoding)
   "charsets::*lisp-encodings* is an a-list of (NAME . ALIASES)..."
-  (loop for (name . aliases) in charsets::*lisp-encodings*
-     for encoding-name = (when (or (string-equal name encoding)
-				   (member encoding aliases :test #'string-equal))
-			   name)
-     until encoding-name
-     finally (if encoding-name (return encoding-name)
-		 (error "The encoding '~a' is unknown" encoding))))
+  (loop :for (name . aliases) :in (list-encodings-and-aliases)
+     :for encoding-name := (when (or (string-equal name encoding)
+                                     (member encoding aliases :test #'string-equal))
+                             name)
+     :until encoding-name
+     :finally (if encoding-name (return encoding-name)
+                  (error "The encoding '~a' is unknown" encoding))))
 
 (defrule encoding (or namestring single-quoted-string)
   (:lambda (encoding)
-    (charsets:make-external-format (find-encoding-by-name-or-alias encoding))))
+    (make-external-format (find-encoding-by-name-or-alias encoding))))
 
 (defrule file-encoding (? (and kw-with kw-encoding encoding))
   (:lambda (enc)