79 lines
2.5 KiB
Common Lisp
79 lines
2.5 KiB
Common Lisp
(in-package :org.ryuslash.clark)
|
|
|
|
(export '(clark))
|
|
|
|
(defvar *db* nil
|
|
"The database connection.")
|
|
|
|
(defconstant *version* "0.1.0"
|
|
"Clark's version.")
|
|
|
|
(defun check-db (name)
|
|
"Connect to the database, possibly creating it."
|
|
(let ((db-exists (probe-file name)))
|
|
(setf *db* (connect name))
|
|
(unless db-exists
|
|
(execute-non-query *db* "CREATE TABLE bookmark (url VARCHAR(255) UNIQUE, date INTEGER, name VARCHAR(255), description TEXT)")
|
|
(execute-non-query *db* "CREATE TABLE tag (name VARCHAR(255) UNIQUE);")
|
|
(execute-non-query *db* "CREATE TABLE bookmark_tag (bookmark_id INTEGER REFERENCES bookmark(rowid), tag_id INTEGER REFERENCES tag(rowid), PRIMARY KEY (bookmark_id, tag_id))"))))
|
|
|
|
(defun get-bookmarks ()
|
|
"Get a list of all bookmarks.
|
|
|
|
The result contains the url and the name of the bookmark."
|
|
(let ((statement
|
|
(prepare-statement *db* "select url, name from bookmark")))
|
|
(loop
|
|
while (step-statement statement)
|
|
collect (list (statement-column-value statement 0)
|
|
(statement-column-value statement 1))
|
|
finally (finalize-statement statement))))
|
|
|
|
(defun help-command (args)
|
|
"Show a help message."
|
|
(format t (concatenate
|
|
'string
|
|
"Usage: clark [command [options]...]~%"
|
|
"~%"
|
|
"Possible commands:~%"
|
|
"~%"
|
|
"help Display this help and exit~%"
|
|
"version Output version information and exit~%")))
|
|
|
|
(defun make-command-name (base)
|
|
"Turn BASE into the name of a possible command."
|
|
(intern (concatenate 'string (string-upcase base) "-COMMAND")
|
|
:org.ryuslash.clark))
|
|
|
|
(defun parse-args (args)
|
|
"Parse command-line arguments ARGS.
|
|
|
|
The executable name should already have been removed."
|
|
(let ((cmd-name (make-command-name (car args))))
|
|
(if (fboundp cmd-name)
|
|
(funcall cmd-name (cdr args))
|
|
(progn
|
|
(format t "Unknown command: ~A~%" (car args))
|
|
(help-command nil)))))
|
|
|
|
(defun print-bookmark (bm)
|
|
"Print information about bookmark BM.
|
|
|
|
BM should be a list containing the url and name of the bookmark."
|
|
(destructuring-bind (url name) bm
|
|
(format t "~A~%~A~%~%" url name)))
|
|
|
|
(defun version-command (args)
|
|
"Display clark's version number."
|
|
(format t "clark version ~A~%" *version*))
|
|
|
|
(defun clark (args)
|
|
"Main function.
|
|
|
|
Connect to the database, parse command-line arguments, execute and
|
|
then disconnect."
|
|
(check-db "test2.db")
|
|
(if (> (length args) 1)
|
|
(parse-args (cdr args))
|
|
(map nil #'print-bookmark (get-bookmarks)))
|
|
(disconnect *db*))
|