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 array-p (xdump-parser column))
51 (defgeneric finish-table (xdump-parser number-of-records))
52 (defgeneric parse-entry (xdump-parser line))
53 (defgeneric parse-meta (xdump-parser name timestamp))
54 (defgeneric parse-table (xdump-parser name timestamp))
55 (defgeneric header-parser (xdump-parser line))
56 (defgeneric parse-line (xdump-parser line))
57 (defgeneric reset-table-parser (xdump-parser))
58 (defgeneric entry-from-vector (xdump-parser class meta-table entry-vector
59 &key array-support-p))
61 (defmethod get-table ((parser xdump-parser) table-name)
62 (with-slots (index-by-name table-by-index) parser
63 (let* ((table-index (gethash table-name index-by-name))
64 (table (aref table-by-index table-index)))
67 (defmacro with-parser (parser &body body)
68 `(let ((*current-parser* ,parser))
71 (defun table (table-name &optional (parser *current-parser*))
72 (get-table parser table-name))
74 (defmethod get-table-entry ((parser xdump-parser) table-name index)
75 (aref (table-entries (get-table table-name)) index))
77 (defmethod sym-by-value ((parser xdump-parser) table-name value)
78 (with-slots (table-classes-package) parser
79 (let ((value-slot (find-symbol "VALUE" table-classes-package))
80 (name-slot (find-symbol "NAME" table-classes-package))
81 (meta-type-table (get-table parser table-name)))
82 (loop for entry across (table-entries meta-type-table)
83 if (= (slot-value entry value-slot) value)
84 return (slot-value entry name-slot)))))
86 (defmethod reset-table-parser ((parser xdump-parser))
87 (with-slots (line-parser entry-buffer entry-index finalizer name timestamp)
89 (setf line-parser #'header-parser
90 entry-buffer (make-array 1 :fill-pointer 0 :adjustable t)
96 (defun meta-meta-finalizer (parser)
97 (with-slots (entry-buffer meta-index meta-meta) parser
98 ; build meta-index from integer index to
101 for i = 0 then (+ i 1)
102 for e across entry-buffer
103 do (let* ((slot-name (string-upcase (car e)))
104 (slot (find-symbol slot-name :xdump)))
105 (setf (aref meta-index i) slot)))
106 ; build meta-meta table
107 (loop for entry across entry-buffer
108 for i = 0 then (+ i 1)
109 do (let ((meta-meta-column (make-instance 'table-column-meta)))
110 (loop for slot across meta-index
112 do (setf (slot-value meta-meta-column slot) field))
113 (setf (aref meta-meta i) meta-meta-column)))))
115 (defun table-entry-defclass-form (name class-name package slot-list)
116 `(defclass ,(find-symbol class-name package) ()
117 ,(mapcar #'(lambda (raw-slot-name)
118 (let* ((slot-name (string-upcase raw-slot-name))
119 (accessor-name (string-upcase (format nil "~a-~a"
122 (list (intern slot-name package)
123 :accessor (intern accessor-name package))))
126 (defun meta-finalizer (parser)
127 (let ((meta-table (make-array 1 :fill-pointer 0 :adjustable t)))
128 (with-slots (entry-buffer name meta-index meta-by-index index-by-name
131 (loop for entry across entry-buffer
132 do (let ((meta (make-instance 'table-column-meta)))
133 (loop for slot across meta-index
135 do (setf (slot-value meta slot) field))
136 (vector-push-extend meta meta-table)))
137 (format t "~a~%~a~%~a~%" name meta-table entry-buffer)
138 (let ((table-index (if (string= "table" name)
139 ; voodoo: the first column of the table of tables
141 (elt (aref entry-buffer 0) 4)
142 (gethash name index-by-name)))
144 (setf (aref meta-by-index table-index) meta-table)
146 ;; determine if this table has a uid column
147 (if (and (string= "uid" (elt (aref entry-buffer 0) 0))
148 (eql (elt (aref entry-buffer 0) 4) table-index))
151 ;; create xdump-table instance and entry class
152 (let* ((class-name (string-upcase (format nil "~a-table-entry" name)))
153 (package (table-classes-package parser))
154 (table-instance (make-instance 'xdump-table
157 :entry-class (intern class-name
159 :has-uid-p has-uid-p))
160 (slot-list (loop for entry across entry-buffer
161 collect (car entry))))
162 (setf (aref table-by-index table-index) table-instance)
163 (format t "slot-list: ~a~%" slot-list)
164 (eval (table-entry-defclass-form name class-name package
167 (defmethod array-p ((parser xdump-parser) column)
168 (let ((column-len (meta-len column))
169 (column-type (sym-by-value parser "meta-type" (meta-type column))))
170 (and (> column-len 0)
171 (not (string= column-type "c")))))
173 (defmethod entry-from-vector (parser class meta-table entry-vector
174 &key (array-support-p t))
175 (with-slots (table-classes-package) parser
176 (let ((new-entry (make-instance class))
177 (entries entry-vector))
179 for column across meta-table do
180 (let ((slot (find-symbol (string-upcase (meta-name column))
181 table-classes-package)))
182 (if (and array-support-p (array-p parser column))
183 ;; then collect array
185 (dotimes (j (meta-len column))
186 (push (pop entries) array))
187 (setf (slot-value new-entry slot) array))
188 ;; else collect single entry
190 (setf (slot-value new-entry slot) (pop entries))))))
193 (defmethod table-entry-insert-at ((table xdump-table) entry index)
194 ; extend array if necessary
195 (let ((entries (table-entries table)))
196 (unless (> (fill-pointer entries) index)
197 (adjust-array entries (max 1 (* 2 index))
199 :initial-element nil))
200 (setf (aref entries index) entry)))
202 (defun table-finalizer (parser)
203 (with-slots (entry-buffer name timestamp index-by-name meta-by-index
204 table-by-index table-classes-package) parser
205 (if (string= name "table") ; special magic: prefill index-by-name
206 (loop for entry across entry-buffer do
207 (setf (gethash (second entry) index-by-name) (first entry))))
208 (format t "table-finalizer: ~a~%" name)
209 (let* ((table-index (gethash name index-by-name))
210 (meta-table (aref meta-by-index table-index))
211 (table (aref table-by-index table-index))
212 (has-uid-p (has-uid-p table))
213 (array-support-p (not (or (string= name "table")
214 (string= name "meta-type")))))
215 (loop for entry across entry-buffer do
216 (let ((entry-instance (entry-from-vector parser
217 (table-entry-class table)
223 (let ((index (first entry)))
224 (table-entry-insert-at table entry-instance index))
225 (vector-push-extend entry-instance (table-entries table)))))
226 (setf (table-last-update table) timestamp))))
228 (defmethod finish-table ((parser xdump-parser) number-of-records)
229 (if (not (equal number-of-records (length (entry-buffer parser))))
230 (error "Table row count mismatch"))
231 (funcall (finalizer parser) parser)
232 (reset-table-parser parser)
235 (defmethod parse-entry ((parser xdump-parser) line)
236 (if (char= #\/ (aref line 0))
237 (finish-table parser (parse-integer (subseq line 1)))
238 (let ((fields (mapcar #'read-from-string (cl-ppcre:split " " line))))
239 (with-slots (entry-buffer entry-index) parser
240 (vector-push-extend fields entry-buffer)
244 (defmethod parse-meta ((parser xdump-parser) input-name input-timestamp)
245 (with-slots (line-parser finalizer name timestamp) parser
246 (setf line-parser #'parse-entry
247 finalizer (if (string= "meta" input-name)
248 #'meta-meta-finalizer
251 timestamp input-timestamp)))
253 (defmethod parse-table ((parser xdump-parser) input-name input-timestamp)
254 "Parse a normal table.
257 parser: The current parser
258 input-name: Name of the current table
259 input-timestamp: Timestamp of the current table"
260 (with-slots (line-parser finalizer name timestamp) parser
261 (setf line-parser #'parse-entry
262 finalizer #'table-finalizer
264 timestamp input-timestamp)))
266 (defmethod header-parser ((parser xdump-parser) line)
267 (multiple-value-bind (fullmatch groups)
268 (cl-ppcre:scan-to-strings "^XDUMP meta (.*) ([0-9]+)$" line)
271 (let ((name (aref groups 0))
272 (timestamp (parse-integer (aref groups 1))))
273 (parse-meta parser name timestamp))
275 (multiple-value-bind (fullmatch groups)
276 (cl-ppcre:scan-to-strings "^XDUMP (.*) ([0-9]+)$" line)
277 (declare (ignorable fullmatch))
278 (let ((name (aref groups 0))
279 (timestamp (parse-integer (aref groups 1))))
280 (parse-table parser name timestamp)))))
283 (defun make-parser ()
284 (let ((parser (make-instance 'xdump-parser)))
285 (setf (line-parser parser) #'header-parser)
288 (defmethod parse-line ((parser xdump-parser) line)
289 (with-slots (line-parser) parser
290 (funcall line-parser parser line)))
292 (defmethod parse-stream ((parser xdump-parser) stream)
293 (loop for line = (read-line stream nil)
294 while line do (parse-line parser line)))
296 (defmethod parse-file ((parser xdump-parser) filename)
297 (with-open-file (s filename)
298 (parse-stream parser s)))
301 (let ((parser (make-parser)))
302 (setf *current-parser* parser)
303 (parse-file parser "testdata/xdump-meta-meta.txt")))
306 (let ((parser (make-parser)))
307 (setf *current-parser* parser)
308 (parse-file parser "testdata/xdump-meta-meta.txt")
309 (parse-file parser "testdata/xdump-meta-table.txt")
310 (parse-file parser "testdata/xdump-table.txt")
311 (parse-file parser "testdata/xdump-meta-34.txt")
312 (parse-file parser "testdata/xdump-34.txt")))