From da0e0f7061592dde760ee1a070dd959e5496ba88 Mon Sep 17 00:00:00 2001
From: Gerd Flaig <gefla@pond.sub.org>
Date: Sun, 30 Aug 2009 00:53:12 +0200
Subject: [PATCH] First working complete xdump parser

---
 package.lisp    |  4 ++-
 xdump-test.lisp | 72 ++++++++++++++++++++++++++++++++++++++++++++-----
 2 files changed, 68 insertions(+), 8 deletions(-)

diff --git a/package.lisp b/package.lisp
index 1b7cdb4..64ff316 100644
--- a/package.lisp
+++ b/package.lisp
@@ -21,5 +21,7 @@
   (defpackage :empire-log
     (:use :cl)
     (:export :info))
+  (defpackage :xdump-data
+    (:use :cl))
   (defpackage :xdump
-    (:use :cl)))
+    (:use :cl :xdump-data)))
diff --git a/xdump-test.lisp b/xdump-test.lisp
index 1e32880..928748c 100644
--- a/xdump-test.lisp
+++ b/xdump-test.lisp
@@ -11,14 +11,30 @@
    (len :accessor meta-len)
    (table :accessor meta-table)))
 
+(defclass xdump-table ()
+  ((name :accessor table-name :initarg :name)
+   (index :accessor table-index :initarg :index)
+   (last-update :accessor table-last-update :initform 0)
+   (entry-class :accessor table-entry-class :initarg :entry-class)
+   (entries :accessor table-entries :initform (make-array 8
+							  :fill-pointer 8
+							  :adjustable t
+							  :initial-element nil))))
+
 ;(defclass empire-table ()
 ;  (()))
 
 (defvar *meta-by-index* (make-array 50 :adjustable t :initial-element nil))
-(defvar *index-by-name* (make-hash-table :size 50))
+(defvar *table-by-index* (make-array 50 :adjustable t :initial-element nil))
+(defvar *index-by-name* (make-hash-table :size 50 :test 'equal))
 (defvar *meta-index* (make-array 5) "meta slot symbol by meta table column index")
 (defvar *meta-meta* (make-array 5))
 
+(defun get-table-entry (table-name index)
+  (let* ((table-index (gethash table-name *index-by-name*))
+	 (table (aref *table-by-index* table-index)))
+    (aref (table-entries table) index)))
+
 (defclass xdump-parser ()
   ((line-parser :accessor line-parser :initform nil)
    (entry-buffer :accessor entry-buffer :initform (make-array 1 :fill-pointer 0 :adjustable t))
@@ -66,10 +82,48 @@
 			     ; voodoo: the first column of the table of tables is the uid
 			     (elt (aref entry-buffer 0) 4)
 			     (gethash name *index-by-name*))))
-	(setf (aref *meta-by-index* table-index) meta-table)))))
+	(setf (aref *meta-by-index* table-index) meta-table)
+
+	;; create xdump-table instance and entry class
+	(let* ((class-name (string-upcase (format nil "~a-table-entry" name)))
+	       (package (find-package "XDUMP-DATA"))
+	       (table-instance (make-instance 'xdump-table
+					      :name name
+					      :index table-index
+					      :entry-class (intern class-name package)))
+	       (slot-list (loop for entry across entry-buffer
+			     collect (car entry))))
+	  (setf (aref *table-by-index* table-index) table-instance)
+	  (format t "slot-list: ~a~%" slot-list)
+	  (eval `(defclass ,(find-symbol class-name package) ()
+		   ,(mapcar #'(lambda (raw-slot-name)
+				(let* ((slot-name (string-upcase raw-slot-name))
+				       (accessor-name (string-upcase (format nil "~a-~a" name slot-name))))
+				  (list (intern slot-name package) :accessor (intern accessor-name package))))
+			    slot-list))))))))
 
 (defun table-finalizer (parser)
-  t)
+  (with-slots (entry-buffer name timestamp) parser
+    (if (string= name "table") ; special magic: prefill index-by-name
+	(loop for entry across entry-buffer do
+	     (setf (gethash (second entry) *index-by-name*) (first entry))))
+    (format t "table-finalizer: ~a~%" name)
+    (let* ((table-index (gethash name *index-by-name*))
+	   (meta-table (aref *meta-by-index* table-index))
+	   (table (aref *table-by-index* table-index)))
+      (loop for entry across entry-buffer do
+	   (let ((e (make-instance (table-entry-class table)))
+		 (index (first entry))
+		 (entries (table-entries table)))
+	     ; extend array if necessary
+	     (unless (> (fill-pointer entries) index)
+	       (adjust-array entries (* 2 index) :fill-pointer t))
+	     (setf (aref entries index) e)
+	     (loop
+		for item in entry
+		for column across meta-table do
+		  (setf (slot-value e (find-symbol (string-upcase (meta-name column)) (find-package "XDUMP-DATA"))) item))))
+      (setf (table-last-update table) timestamp))))
 
 (defmethod finish-table ((parser xdump-parser) number-of-records)
   (if (not (equal number-of-records (length (entry-buffer parser))))
@@ -93,10 +147,12 @@
 	  name input-name
 	  timestamp input-timestamp)))
 
-(defmethod parse-table ((parser xdump-parser) name timestamp)
-  (with-slots (line-parser finalizer) parser
+(defmethod parse-table ((parser xdump-parser) input-name input-timestamp)
+  (with-slots (line-parser finalizer name timestamp) parser
     (setf line-parser #'parse-entry
-	  finalizer #'table-finalizer)))
+	  finalizer #'table-finalizer
+	  name input-name
+	  timestamp input-timestamp)))
 
 (defmethod header-parser ((parser xdump-parser) line)
   (multiple-value-bind (fullmatch groups)
@@ -143,4 +199,6 @@
 (defun t2 ()
   (test-parse "xdump-meta-meta.txt")
   (test-parse "xdump-meta-table.txt")
-  (test-parse "xdump-table.txt"))
+  (test-parse "xdump-table.txt")
+  (test-parse "xdump-meta-34.txt")
+  (test-parse "xdump-34.txt"))
-- 
2.43.0