;;;; (http://opensource.franz.com/preamble.html), also known as the LLGPL.
;;;; *************************************************************************
-(in-package #:clsql-base-sys)
+(in-package #:clsql-base)
(defun number-to-sql-string (num)
(etypecase num
(char unescaped i)))))
escaped))
+(defmacro without-interrupts (&body body)
+ #+lispworks `(mp:without-preemption ,@body)
+ #+allegro `(mp:without-scheduling ,@body)
+ #+cmu `(system:without-interrupts ,@body)
+ #+sbcl `(sb-sys::without-interrupts ,@body)
+ #+openmcl `(ccl:without-interrupts ,@body))
+
+(defun make-process-lock (name)
+ #+allegro (mp:make-process-lock :name name)
+ #+cmu (mp:make-lock name)
+ #+lispworks (mp:make-lock :name name)
+ #+openmcl (ccl:make-lock name)
+ #+sb-thread (sb-thread:make-mutex :name name)
+ #+scl (thread:make-lock name)
+ #-(or allegro cmu lispworks openmcl sb-thread scl) (declare (ignore name))
+ #-(or allegro cmu lispworks openmcl sb-thread scl) nil)
+
+(defmacro with-process-lock ((lock desc) &body body)
+ #+(or cmu allegro lispworks openmcl sb-thread)
+ (declare (ignore desc))
+ #+(or allegro cmu lispworks openmcl sb-thread)
+ (let ((l (gensym)))
+ `(let ((,l ,lock))
+ #+allegro (mp:with-process-lock (,l) ,@body)
+ #+cmu (mp:with-lock-held (,l) ,@body)
+ #+openmcl (ccl:with-lock-grabbed (,l) ,@body)
+ #+lispworks (mp:with-lock (,l) ,@body)
+ #+sb-thread (sb-thread:with-recursive-lock (,l) ,@body)
+ ))
+ #+scl `(thread:with-lock-held (,lock ,desc) ,@body)
+ #-(or cmu allegro lispworks openmcl sb-thread scl) (declare
+ (ignore lock desc))
+ #-(or cmu allegro lispworks openmcl sb-thread scl) `(progn ,@body))
(defun sql-escape-quotes (s)
"Escape quotes for SQL string writing"
(setq pos (1+ end))))
(defun string-to-list-connection-spec (str)
- (let ((at-pos (position-char #\@ str)))
+ (let ((at-pos (position-char #\@ str 0 (length str))))
(cond
((and at-pos (> (length str) at-pos))
;; Connection spec is SQL*NET format
- (append (delimited-string-to-list (subseq str 0 at-pos) #\/)
- (list (subseq str (1+ at-pos)))))
+ (cons (subseq str (1+ at-pos))
+ (delimited-string-to-list (subseq str 0 at-pos) #\/)))
(t
(delimited-string-to-list str #\/)))))
+#+allegro
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (unless (find-package '#:excl.osi)
+ (require 'osi)))
+
+(defun command-output (control-string &rest args)
+ ;; Concatenates output and error since Lispworks combines
+ ;; these, thus CLSQL can't depend upon separate results
+ (multiple-value-bind (output error status)
+ (apply #'%command-output control-string args)
+ (values
+ (concatenate 'string (if output output "")
+ (if error error ""))
+ status)))
+
+(defun read-stream-to-string (in)
+ (with-output-to-string (out)
+ (let ((eof (gensym)))
+ (do ((line (read-line in nil eof)
+ (read-line in nil eof)))
+ ((eq line eof))
+ (format out "~A~%" line)))))
+
+;; From KMRCL
+(defun %command-output (control-string &rest args)
+ "Interpolate ARGS into CONTROL-STRING as if by FORMAT, and
+synchronously execute the result using a Bourne-compatible shell,
+returns (VALUES string-output error-output exit-status)"
+ (let ((command (apply #'format nil control-string args)))
+ #+sbcl
+ (let* ((process (sb-ext:run-program
+ "/bin/sh"
+ (list "-c" command)
+ :input nil :output :stream :error :stream))
+ (output (read-stream-to-string (sb-impl::process-output process)))
+ (error (read-stream-to-string (sb-impl::process-error process))))
+ (close (sb-impl::process-output process))
+ (close (sb-impl::process-error process))
+ (values
+ output
+ error
+ (sb-impl::process-exit-code process)))
+
+
+ #+(or cmu scl)
+ (let* ((process (ext:run-program
+ "/bin/sh"
+ (list "-c" command)
+ :input nil :output :stream :error :stream))
+ (output (read-stream-to-string (ext::process-output process)))
+ (error (read-stream-to-string (ext::process-error process))))
+ (close (ext::process-output process))
+ (close (ext::process-error process))
+
+ (values
+ output
+ error
+ (ext::process-exit-code process)))
+
+ #+allegro
+ (multiple-value-bind (output error status)
+ (excl.osi:command-output command :whole t)
+ (values output error status))
+
+ #+lispworks
+ ;; BUG: Lispworks combines output and error streams
+ (let ((output (make-string-output-stream)))
+ (unwind-protect
+ (let ((status
+ (system:call-system-showing-output
+ command
+ :shell-type "/bin/sh"
+ :output-stream output)))
+ (values (get-output-stream-string output) nil status))
+ (close output)))
+
+ #+clisp
+ ;; BUG: CLisp doesn't allow output to user-specified stream
+ (values
+ nil
+ nil
+ (ext:run-shell-command command :output :terminal :wait t))
+
+ #+openmcl
+ (let* ((process (ccl:run-program
+ "/bin/sh"
+ (list "-c" command)
+ :input nil :output :stream :error :stream
+ :wait t))
+ (output (read-stream-to-string (ccl::external-process-output-stream process)))
+ (error (read-stream-to-string (ccl::external-process-error-stream process))))
+ (close (ccl::external-process-output-stream process))
+ (close (ccl::external-process-error-stream process))
+ (values output
+ error
+ (nth-value 1 (ccl::external-process-status process))))
+
+ #-(or openmcl clisp lispworks allegro scl cmu sbcl)
+ (error "COMMAND-OUTPUT not implemented for this Lisp")
+
+ ))
+
+
+;; From KMRCL
+(defmacro in (obj &rest choices)
+ (let ((insym (gensym)))
+ `(let ((,insym ,obj))
+ (or ,@(mapcar #'(lambda (c) `(eql ,insym ,c))
+ choices)))))
+
+;; From KMRCL
+(defun substitute-char-string (procstr match-char subst-str)
+ "Substitutes a string for a single matching character of a string"
+ (substitute-chars-strings procstr (list (cons match-char subst-str))))
+
+(defun replaced-string-length (str repl-alist)
+ (declare (simple-string str)
+ (optimize (speed 3) (safety 0) (space 0)))
+ (do* ((i 0 (1+ i))
+ (orig-len (length str))
+ (new-len orig-len))
+ ((= i orig-len) new-len)
+ (declare (fixnum i orig-len new-len))
+ (let* ((c (char str i))
+ (match (assoc c repl-alist :test #'char=)))
+ (declare (character c))
+ (when match
+ (incf new-len (1- (length
+ (the simple-string (cdr match)))))))))
+
+
+(defun substitute-chars-strings (str repl-alist)
+ "Replace all instances of a chars with a string. repl-alist is an assoc
+list of characters and replacement strings."
+ (declare (simple-string str)
+ (optimize (speed 3) (safety 0) (space 0)))
+ (do* ((orig-len (length str))
+ (new-string (make-string (replaced-string-length str repl-alist)))
+ (spos 0 (1+ spos))
+ (dpos 0))
+ ((>= spos orig-len)
+ new-string)
+ (declare (fixnum spos dpos) (simple-string new-string))
+ (let* ((c (char str spos))
+ (match (assoc c repl-alist :test #'char=)))
+ (declare (character c))
+ (if match
+ (let* ((subst (cdr match))
+ (len (length subst)))
+ (declare (fixnum len)
+ (simple-string subst))
+ (dotimes (j len)
+ (declare (fixnum j))
+ (setf (char new-string dpos) (char subst j))
+ (incf dpos)))
+ (progn
+ (setf (char new-string dpos) c)
+ (incf dpos))))))
+
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (when (char= #\a (schar (symbol-name '#:a) 0))
+ (pushnew :lowercase-reader *features*)))
+
+(defun symbol-name-default-case (str)
+ #-lowercase-reader
+ (string-upcase str)
+ #+lowercase-reader
+ (string-downcase str))
+
+(defun convert-to-db-default-case (str database)
+ (if database
+ (case (db-type-default-case (database-underlying-type database))
+ (:upper (string-upcase str))
+ (:lower (string-downcase str))
+ (t str))
+ ;; Default CommonSQL behavior is to upcase strings
+ (string-upcase str)))
+
+
+(defun ensure-keyword (name)
+ "Returns keyword for a name"
+ (etypecase name
+ (keyword name)
+ (string (nth-value 0 (intern (symbol-name-default-case name) :keyword)))
+ (symbol (nth-value 0 (intern (symbol-name name) :keyword)))))
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