--- /dev/null
+(in-package :xdump)
+
+(defvar *current-parser* nil)
+
+(defclass table-column-meta ()
+ ((name :accessor meta-name)
+ (type :accessor meta-type)
+ (flags :accessor meta-flags)
+ (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 *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))
+ (entry-index :accessor entry-index :initform 0)
+ (finalizer :accessor finalizer :initform nil)
+ (name :accessor table-name :initform nil)
+ (timestamp :accessor timestamp :initform nil)))
+
+(defgeneric finish-table (xdump-parser number-of-records))
+(defgeneric parse-entry (xdump-parser line))
+(defgeneric parse-meta (xdump-parser name timestamp))
+(defgeneric parse-table (xdump-parser name timestamp))
+(defgeneric header-parser (xdump-parser line))
+(defgeneric parse-line (xdump-parser line))
+
+(defun meta-meta-finalizer (parser)
+ (with-slots (entry-buffer) parser
+ ; build meta-index from integer index to slot symbol
+ (loop
+ for i = 0 then (+ i 1)
+ for e across entry-buffer
+ do (let* ((slot-name (string-upcase (car e)))
+ (slot (find-symbol slot-name :xdump)))
+ (setf (aref *meta-index* i) slot)))
+ ; build meta-meta table
+ (loop for entry across entry-buffer
+ for i = 0 then (+ i 1)
+ do (let ((meta-meta (make-instance 'table-column-meta)))
+ (loop for slot across *meta-index*
+ for field in entry
+ do (setf (slot-value meta-meta slot) field))
+ (setf (aref *meta-meta* i) meta-meta)))))
+
+(defun meta-finalizer (parser)
+ (let ((meta-table (make-array 1 :fill-pointer 0 :adjustable t)))
+ (with-slots (entry-buffer name) parser
+ (loop for entry across entry-buffer
+ do (let ((meta (make-instance 'table-column-meta)))
+ (loop for slot across *meta-index*
+ for field in entry
+ do (setf (slot-value meta slot) field))
+ (vector-push-extend meta meta-table)))
+ (format t "~a~%~a~%~a~%" name meta-table entry-buffer)
+ (let ((table-index (if (string= "table" name)
+ ; 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)
+
+ ;; 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)
+ (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))))
+ (error "Table row count mismatch"))
+ (funcall (finalizer parser) parser)
+ t) ;; finished
+
+(defmethod parse-entry ((parser xdump-parser) line)
+ (if (char= #\/ (aref line 0))
+ (finish-table parser (parse-integer (subseq line 1)))
+ (let ((fields (mapcar #'read-from-string (cl-ppcre:split " " line))))
+ (with-slots (entry-buffer entry-index) parser
+ (vector-push-extend fields entry-buffer)
+ (incf entry-index))
+ nil)))
+
+(defmethod parse-meta ((parser xdump-parser) input-name input-timestamp)
+ (with-slots (line-parser finalizer name timestamp) parser
+ (setf line-parser #'parse-entry
+ finalizer (if (string= "meta" input-name)
+ #'meta-meta-finalizer
+ #'meta-finalizer)
+ name input-name
+ timestamp input-timestamp)))
+
+(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
+ name input-name
+ timestamp input-timestamp)))
+
+(defmethod header-parser ((parser xdump-parser) line)
+ (multiple-value-bind (fullmatch groups)
+ (cl-ppcre:scan-to-strings "^XDUMP meta (.*) ([0-9]+)$" line)
+ (if fullmatch
+ ;; meta table
+ (let ((name (aref groups 0))
+ (timestamp (parse-integer (aref groups 1))))
+ (parse-meta parser name timestamp))
+ ;; table
+ (multiple-value-bind (fullmatch groups)
+ (cl-ppcre:scan-to-strings "^XDUMP (.*) ([0-9]+)$" line)
+ (declare (ignorable fullmatch))
+ (let ((name (aref groups 0))
+ (timestamp (parse-integer (aref groups 1))))
+ (parse-table parser name timestamp)))))
+ nil)
+
+(defmethod parse-line ((parser xdump-parser) line)
+ (with-slots (line-parser) parser
+ (funcall line-parser parser line)))
+
+(defun make-parser ()
+ (let ((parser (make-instance 'xdump-parser)))
+ (setf (line-parser parser) #'header-parser)
+ parser))
+
+(defun parse (stream)
+ (let ((parser (make-parser)))
+ (setf *current-parser* parser)
+ (loop for line = (read-line stream nil)
+ while line do (parse-line parser line))))
+
+(defun test-parse (filename)
+ (with-open-file (s filename)
+ (parse s)))
+
+(defun t1 ()
+ (test-parse "xdump-meta-meta.txt"))
+
+(defun t2 ()
+ (test-parse "xdump-meta-meta.txt")
+ (test-parse "xdump-meta-table.txt")
+ (test-parse "xdump-table.txt")
+ (test-parse "xdump-meta-34.txt")
+ (test-parse "xdump-34.txt"))