3 (defvar *current-parser* nil)
5 (defclass table-column-meta ()
6 ((name :accessor meta-name)
7 (type :accessor meta-type)
8 (flags :accessor meta-flags)
9 (len :accessor meta-len)
10 (table :accessor meta-table)))
12 (defclass xdump-table ()
13 ((name :accessor table-name :initarg :name)
14 (index :accessor table-index :initarg :index)
15 (last-update :accessor table-last-update :initform 0)
16 (entry-class :accessor table-entry-class :initarg :entry-class)
17 (entries :accessor table-entries
18 :initform (make-array 8
21 :initial-element nil))
22 (has-uid-p :accessor has-uid-p :initarg :has-uid-p)))
24 (defclass xdump-parser ()
25 ((line-parser :accessor line-parser :initform nil)
26 (entry-buffer :accessor entry-buffer
27 :initform (make-array 1 :fill-pointer 0 :adjustable t))
28 (entry-index :accessor entry-index :initform 0)
29 (finalizer :accessor finalizer :initform nil)
30 (name :accessor table-name :initform nil)
31 (timestamp :accessor timestamp :initform nil)
32 (meta-by-index :accessor meta-by-index
33 :initform (make-array 128
35 :initial-element nil))
36 (table-by-index :accessor table-by-index
37 :initform (make-array 128
39 :initial-element nil))
40 (table-classes-package :accessor table-classes-package
41 :initform (make-package (gensym)))
42 (index-by-name :accessor index-by-name
43 :initform (make-hash-table :size 128 :test 'equal))
44 (meta-index :accessor meta-index :initform (make-array 5))
45 (meta-meta :accessor meta-meta :initform (make-array 5))))
47 (defgeneric get-table (xdump-parser table-name))
48 (defgeneric get-table-entry (xdump-parser table-name index))
49 (defgeneric sym-by-value (xdump-parser table-name value))
50 (defgeneric finish-table (xdump-parser number-of-records))
51 (defgeneric parse-entry (xdump-parser line))
52 (defgeneric parse-meta (xdump-parser name timestamp))
53 (defgeneric parse-table (xdump-parser name timestamp))
54 (defgeneric header-parser (xdump-parser line))
55 (defgeneric parse-line (xdump-parser line))
56 (defgeneric reset-table-parser (xdump-parser))
58 (defmethod get-table ((parser xdump-parser) table-name)
59 (with-slots (index-by-name table-by-index) parser
60 (let* ((table-index (gethash table-name index-by-name))
61 (table (aref table-by-index table-index)))
64 (defmethod get-table-entry ((parser xdump-parser) table-name index)
65 (aref (table-entries (get-table table-name)) index))
67 (defmethod sym-by-value ((parser xdump-parser) table-name value)
68 (with-slots (table-classes-package) parser
69 (let ((value-slot (find-symbol "VALUE" table-classes-package))
70 (name-slot (find-symbol "NAME" table-classes-package))
71 (meta-type-table (get-table parser table-name)))
72 (loop for entry across (table-entries meta-type-table)
73 if (= (slot-value entry value-slot) value)
74 return (slot-value entry name-slot)))))
76 (defmethod reset-table-parser ((parser xdump-parser))
77 (with-slots (line-parser entry-buffer entry-index finalizer name timestamp)
79 (setf line-parser #'header-parser
80 entry-buffer (make-array 1 :fill-pointer 0 :adjustable t)
86 (defun meta-meta-finalizer (parser)
87 (with-slots (entry-buffer meta-index meta-meta) parser
88 ; build meta-index from integer index to
91 for i = 0 then (+ i 1)
92 for e across entry-buffer
93 do (let* ((slot-name (string-upcase (car e)))
94 (slot (find-symbol slot-name :xdump)))
95 (setf (aref meta-index i) slot)))
96 ; build meta-meta table
97 (loop for entry across entry-buffer
98 for i = 0 then (+ i 1)
99 do (let ((meta-meta-column (make-instance 'table-column-meta)))
100 (loop for slot across meta-index
102 do (setf (slot-value meta-meta-column slot) field))
103 (setf (aref meta-meta i) meta-meta-column)))))
105 (defun table-entry-defclass-form (name class-name package slot-list)
106 `(defclass ,(find-symbol class-name package) ()
107 ,(mapcar #'(lambda (raw-slot-name)
108 (let* ((slot-name (string-upcase raw-slot-name))
109 (accessor-name (string-upcase (format nil "~a-~a"
112 (list (intern slot-name package)
113 :accessor (intern accessor-name package))))
116 (defun meta-finalizer (parser)
117 (let ((meta-table (make-array 1 :fill-pointer 0 :adjustable t)))
118 (with-slots (entry-buffer name meta-index meta-by-index index-by-name
121 (loop for entry across entry-buffer
122 do (let ((meta (make-instance 'table-column-meta)))
123 (loop for slot across meta-index
125 do (setf (slot-value meta slot) field))
126 (vector-push-extend meta meta-table)))
127 (format t "~a~%~a~%~a~%" name meta-table entry-buffer)
128 (let ((table-index (if (string= "table" name)
129 ; voodoo: the first column of the table of tables
131 (elt (aref entry-buffer 0) 4)
132 (gethash name index-by-name)))
134 (setf (aref meta-by-index table-index) meta-table)
136 ;; determine if this table has a uid column
137 (if (and (string= "uid" (elt (aref entry-buffer 0) 0))
138 (eql (elt (aref entry-buffer 0) 4) table-index))
141 ;; create xdump-table instance and entry class
142 (let* ((class-name (string-upcase (format nil "~a-table-entry" name)))
143 (package (table-classes-package parser))
144 (table-instance (make-instance 'xdump-table
147 :entry-class (intern class-name
149 :has-uid-p has-uid-p))
150 (slot-list (loop for entry across entry-buffer
151 collect (car entry))))
152 (setf (aref table-by-index table-index) table-instance)
153 (format t "slot-list: ~a~%" slot-list)
154 (eval (table-entry-defclass-form name class-name package
157 (defun entry-from-vector (class meta-table entry-vector table-classes-package)
158 (let ((new-entry (make-instance class))
161 for column across meta-table do
162 (let ((slot (find-symbol (string-upcase (meta-name column))
163 table-classes-package)))
164 (setf (slot-value new-entry slot) (nth i entry-vector))
168 (defmethod table-entry-insert-at ((table xdump-table) entry index)
169 ; extend array if necessary
170 (let ((entries (table-entries table)))
171 (unless (> (fill-pointer entries) index)
172 (adjust-array entries (max 1 (* 2 index))
174 :initial-element nil))
175 (setf (aref entries index) entry)))
177 (defun table-finalizer (parser)
178 (with-slots (entry-buffer name timestamp index-by-name meta-by-index
179 table-by-index table-classes-package) parser
180 (if (string= name "table") ; special magic: prefill index-by-name
181 (loop for entry across entry-buffer do
182 (setf (gethash (second entry) index-by-name) (first entry))))
183 (format t "table-finalizer: ~a~%" name)
184 (let* ((table-index (gethash name index-by-name))
185 (meta-table (aref meta-by-index table-index))
186 (table (aref table-by-index table-index))
187 (has-uid-p (has-uid-p table)))
188 (loop for entry across entry-buffer do
189 (let ((entry-instance (entry-from-vector (table-entry-class table)
192 table-classes-package)))
194 (let ((index (first entry)))
195 (table-entry-insert-at table entry-instance index))
196 (vector-push-extend entry-instance (table-entries table)))))
197 (setf (table-last-update table) timestamp))))
199 (defmethod finish-table ((parser xdump-parser) number-of-records)
200 (if (not (equal number-of-records (length (entry-buffer parser))))
201 (error "Table row count mismatch"))
202 (funcall (finalizer parser) parser)
203 (reset-table-parser parser)
206 (defmethod parse-entry ((parser xdump-parser) line)
207 (if (char= #\/ (aref line 0))
208 (finish-table parser (parse-integer (subseq line 1)))
209 (let ((fields (mapcar #'read-from-string (cl-ppcre:split " " line))))
210 (with-slots (entry-buffer entry-index) parser
211 (vector-push-extend fields entry-buffer)
215 (defmethod parse-meta ((parser xdump-parser) input-name input-timestamp)
216 (with-slots (line-parser finalizer name timestamp) parser
217 (setf line-parser #'parse-entry
218 finalizer (if (string= "meta" input-name)
219 #'meta-meta-finalizer
222 timestamp input-timestamp)))
224 (defmethod parse-table ((parser xdump-parser) input-name input-timestamp)
225 "Parse a normal table.
228 parser: The current parser
229 input-name: Name of the current table
230 input-timestamp: Timestamp of the current table"
231 (with-slots (line-parser finalizer name timestamp) parser
232 (setf line-parser #'parse-entry
233 finalizer #'table-finalizer
235 timestamp input-timestamp)))
237 (defmethod header-parser ((parser xdump-parser) line)
238 (multiple-value-bind (fullmatch groups)
239 (cl-ppcre:scan-to-strings "^XDUMP meta (.*) ([0-9]+)$" line)
242 (let ((name (aref groups 0))
243 (timestamp (parse-integer (aref groups 1))))
244 (parse-meta parser name timestamp))
246 (multiple-value-bind (fullmatch groups)
247 (cl-ppcre:scan-to-strings "^XDUMP (.*) ([0-9]+)$" line)
248 (declare (ignorable fullmatch))
249 (let ((name (aref groups 0))
250 (timestamp (parse-integer (aref groups 1))))
251 (parse-table parser name timestamp)))))
254 (defun make-parser ()
255 (let ((parser (make-instance 'xdump-parser)))
256 (setf (line-parser parser) #'header-parser)
259 (defmethod parse-line ((parser xdump-parser) line)
260 (with-slots (line-parser) parser
261 (funcall line-parser parser line)))
263 (defmethod parse-stream ((parser xdump-parser) stream)
264 (loop for line = (read-line stream nil)
265 while line do (parse-line parser line)))
267 (defmethod parse-file ((parser xdump-parser) filename)
268 (with-open-file (s filename)
269 (parse-stream parser s)))
272 (let ((parser (make-parser)))
273 (setf *current-parser* parser)
274 (parse-file parser "testdata/xdump-meta-meta.txt")))
277 (let ((parser (make-parser)))
278 (setf *current-parser* parser)
279 (parse-file parser "testdata/xdump-meta-meta.txt")
280 (parse-file parser "testdata/xdump-meta-table.txt")
281 (parse-file parser "testdata/xdump-table.txt")
282 (parse-file parser "testdata/xdump-meta-34.txt")
283 (parse-file parser "testdata/xdump-34.txt")))