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 (defun get-table (table-name)
25 (let* ((table-index (gethash table-name *index-by-name*))
26 (table (aref *table-by-index* table-index)))
29 (defun get-table-entry (table-name index)
30 (aref (table-entries (get-table table-name)) index))
32 (defclass xdump-parser ()
33 ((line-parser :accessor line-parser :initform nil)
34 (entry-buffer :accessor entry-buffer
35 :initform (make-array 1 :fill-pointer 0 :adjustable t))
36 (entry-index :accessor entry-index :initform 0)
37 (finalizer :accessor finalizer :initform nil)
38 (name :accessor table-name :initform nil)
39 (timestamp :accessor timestamp :initform nil)
40 (meta-by-index :accessor meta-by-index
41 :initform (make-array 128
43 :initial-element nil))
44 (table-by-index :accessor table-by-index
45 :initform (make-array 128
47 :initial-element nil))
48 (index-by-name :accessor index-by-name
49 :initform (make-hash-table :size 128 :test 'equal))
50 (meta-index :accessor meta-index :initform (make-array 5))
51 (meta-meta :accessor meta-meta :initform (make-array 5))))
53 (defgeneric finish-table (xdump-parser number-of-records))
54 (defgeneric parse-entry (xdump-parser line))
55 (defgeneric parse-meta (xdump-parser name timestamp))
56 (defgeneric parse-table (xdump-parser name timestamp))
57 (defgeneric header-parser (xdump-parser line))
58 (defgeneric parse-line (xdump-parser line))
59 (defgeneric reset-table-parser (xdump-parser))
61 (defmethod reset-table-parser ((parser xdump-parser))
62 (with-slots (line-parser entry-buffer entry-index finalizer name timestamp)
64 (setf line-parser #'header-parser
65 entry-buffer (make-array 1 :fill-pointer 0 :adjustable t)
71 (defun meta-meta-finalizer (parser)
72 (with-slots (entry-buffer meta-index meta-meta) parser
73 ; build meta-index from integer index to
76 for i = 0 then (+ i 1)
77 for e across entry-buffer
78 do (let* ((slot-name (string-upcase (car e)))
79 (slot (find-symbol slot-name :xdump)))
80 (setf (aref meta-index i) slot)))
81 ; build meta-meta table
82 (loop for entry across entry-buffer
83 for i = 0 then (+ i 1)
84 do (let ((meta-meta-column (make-instance 'table-column-meta)))
85 (loop for slot across meta-index
87 do (setf (slot-value meta-meta-column slot) field))
88 (setf (aref meta-meta i) meta-meta-column)))))
90 (defun table-entry-defclass-form (name class-name package slot-list)
91 `(defclass ,(find-symbol class-name package) ()
92 ,(mapcar #'(lambda (raw-slot-name)
93 (let* ((slot-name (string-upcase raw-slot-name))
94 (accessor-name (string-upcase (format nil "~a-~a"
97 (list (intern slot-name package)
98 :accessor (intern accessor-name package))))
101 (defun meta-finalizer (parser)
102 (let ((meta-table (make-array 1 :fill-pointer 0 :adjustable t)))
103 (with-slots (entry-buffer name meta-index meta-by-index index-by-name
106 (loop for entry across entry-buffer
107 do (let ((meta (make-instance 'table-column-meta)))
108 (loop for slot across meta-index
110 do (setf (slot-value meta slot) field))
111 (vector-push-extend meta meta-table)))
112 (format t "~a~%~a~%~a~%" name meta-table entry-buffer)
113 (let ((table-index (if (string= "table" name)
114 ; voodoo: the first column of the table of tables
116 (elt (aref entry-buffer 0) 4)
117 (gethash name index-by-name)))
119 (setf (aref meta-by-index table-index) meta-table)
121 ;; determine if this table has a uid column
122 (if (and (string= "uid" (elt (aref entry-buffer 0) 0))
123 (eql (elt (aref entry-buffer 0) 4) table-index))
126 ;; create xdump-table instance and entry class
127 (let* ((class-name (string-upcase (format nil "~a-table-entry" name)))
128 (package (find-package "XDUMP-DATA"))
129 (table-instance (make-instance 'xdump-table
132 :entry-class (intern class-name
134 :has-uid-p has-uid-p))
135 (slot-list (loop for entry across entry-buffer
136 collect (car entry))))
137 (setf (aref table-by-index table-index) table-instance)
138 (format t "slot-list: ~a~%" slot-list)
139 (eval (table-entry-defclass-form name class-name package
142 (defun entry-from-vector (class meta-table entry-vector)
143 (let ((new-entry (make-instance class)))
145 for item in entry-vector
146 for column across meta-table do
147 (let ((slot (find-symbol (string-upcase (meta-name column))
148 (find-package "XDUMP-DATA"))))
149 (setf (slot-value new-entry slot) item)))
152 (defmethod table-entry-insert-at ((table xdump-table) entry index)
153 ; extend array if necessary
154 (let ((entries (table-entries table)))
155 (unless (> (fill-pointer entries) index)
156 (adjust-array entries (max 1 (* 2 index))
158 :initial-element nil))
159 (setf (aref entries index) entry)))
161 (defun table-finalizer (parser)
162 (with-slots (entry-buffer name timestamp index-by-name meta-by-index
163 table-by-index) parser
164 (if (string= name "table") ; special magic: prefill index-by-name
165 (loop for entry across entry-buffer do
166 (setf (gethash (second entry) index-by-name) (first entry))))
167 (format t "table-finalizer: ~a~%" name)
168 (let* ((table-index (gethash name index-by-name))
169 (meta-table (aref meta-by-index table-index))
170 (table (aref table-by-index table-index))
171 (has-uid-p (has-uid-p table)))
172 (loop for entry across entry-buffer do
173 (let ((entry-instance (entry-from-vector (table-entry-class table)
177 (let ((index (first entry)))
178 (table-entry-insert-at table entry-instance index))
179 (vector-push-extend entry-instance (table-entries table)))))
180 (setf (table-last-update table) timestamp))))
182 (defmethod finish-table ((parser xdump-parser) number-of-records)
183 (if (not (equal number-of-records (length (entry-buffer parser))))
184 (error "Table row count mismatch"))
185 (funcall (finalizer parser) parser)
186 (reset-table-parser parser)
189 (defmethod parse-entry ((parser xdump-parser) line)
190 (if (char= #\/ (aref line 0))
191 (finish-table parser (parse-integer (subseq line 1)))
192 (let ((fields (mapcar #'read-from-string (cl-ppcre:split " " line))))
193 (with-slots (entry-buffer entry-index) parser
194 (vector-push-extend fields entry-buffer)
198 (defmethod parse-meta ((parser xdump-parser) input-name input-timestamp)
199 (with-slots (line-parser finalizer name timestamp) parser
200 (setf line-parser #'parse-entry
201 finalizer (if (string= "meta" input-name)
202 #'meta-meta-finalizer
205 timestamp input-timestamp)))
207 (defmethod parse-table ((parser xdump-parser) input-name input-timestamp)
208 "Parse a normal table.
211 parser: The current parser
212 input-name: Name of the current table
213 input-timestamp: Timestamp of the current table"
214 (with-slots (line-parser finalizer name timestamp) parser
215 (setf line-parser #'parse-entry
216 finalizer #'table-finalizer
218 timestamp input-timestamp)))
220 (defmethod header-parser ((parser xdump-parser) line)
221 (multiple-value-bind (fullmatch groups)
222 (cl-ppcre:scan-to-strings "^XDUMP meta (.*) ([0-9]+)$" line)
225 (let ((name (aref groups 0))
226 (timestamp (parse-integer (aref groups 1))))
227 (parse-meta parser name timestamp))
229 (multiple-value-bind (fullmatch groups)
230 (cl-ppcre:scan-to-strings "^XDUMP (.*) ([0-9]+)$" line)
231 (declare (ignorable fullmatch))
232 (let ((name (aref groups 0))
233 (timestamp (parse-integer (aref groups 1))))
234 (parse-table parser name timestamp)))))
237 (defun make-parser ()
238 (let ((parser (make-instance 'xdump-parser)))
239 (setf (line-parser parser) #'header-parser)
242 (defmethod parse-line ((parser xdump-parser) line)
243 (with-slots (line-parser) parser
244 (funcall line-parser parser line)))
246 (defmethod parse-stream ((parser xdump-parser) stream)
247 (loop for line = (read-line stream nil)
248 while line do (parse-line parser line)))
250 (defmethod parse-file ((parser xdump-parser) filename)
251 (with-open-file (s filename)
252 (parse-stream parser s)))
255 (let ((parser (make-parser)))
256 (setf *current-parser* parser)
257 (parse-file parser "testdata/xdump-meta-meta.txt")))
260 (let ((parser (make-parser)))
261 (setf *current-parser* parser)
262 (parse-file parser "testdata/xdump-meta-meta.txt")
263 (parse-file parser "testdata/xdump-meta-table.txt")
264 (parse-file parser "testdata/xdump-table.txt")
265 (parse-file parser "testdata/xdump-meta-34.txt")
266 (parse-file parser "testdata/xdump-34.txt")))