Tom Willemsen
10d453e5d7
* Add parsing of command line arguments, if the first argument starts with "http://" assume it's a new bookmark and save it to the database. * Add adding bookmarks to the database. * linkwave.scm (string-no-null): Only try to remove the final null byte if the string is longer than 0 characters and only if the last character _is_ a null character.
42 lines
1.6 KiB
Scheme
42 lines
1.6 KiB
Scheme
(declare (uses paths))
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(require-extension sqlite3)
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(require-library posix srfi-4)
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(: string-no-null (string -> string))
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(define (string-no-null str)
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(if (and (> (string-length str) 0)
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(char=? (string-ref str (- (string-length str) 1)) #\nul))
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(substring str 0 (- (string-length str) 1))
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str))
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(: print-row (string fixnum string string -> void))
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(define (print-row url seconds name description)
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(format #t "~a~% ~a~% ~a~% ~a~%~%" (string-no-null name) (string-no-null description)
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(string-no-null url) (seconds->string seconds)))
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(define (add-bookmark url name description tags)
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(execute db "INSERT INTO bookmark VALUES (?, STRFTIME('%s'), ?, ?)"
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url name description)
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(let ((bookmark-id (last-insert-rowid db)))
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(for-each (lambda (tag)
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(let ((tag-id (first-result db "SELECT rowid FROM tag WHERE name = ?" tag)))
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(unless tag-id
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(execute db "INSERT INTO tag VALUES (?)" tag)
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(set! tag-id (last-insert-rowid db)))
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(execute db "INSERT INTO bookmark_tag VALUES (?, ?)"
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bookmark-id tag-id)))
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tags)))
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(define db (open-database (data-file "linkwave.db")))
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(let ((cla (command-line-arguments)))
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(if (null? cla)
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(for-each-row print-row db "select * from bookmark")
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(cond
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((and (>= (string-length (car cla)) 7) (string= (substring (car cla) 0 7) "http://"))
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(add-bookmark (car cla) (cadr cla) (caddr cla) (cdddr cla)))
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(else
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(format #t "Unrecognized option: ~a~%" (car cla))))))
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(finalize! db #t)
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