annotate implementations/gsharp/methods.lisp @ 162:110e957a7e3c

Add get-composition methods for gsharp darcs-hash:20071218104432-40ec0-5fdd50a969609f1f50623d2c88a1746f391c984a.gz
author d.lewis <d.lewis@gold.ac.uk>
date Tue, 18 Dec 2007 10:44:32 +0000
parents 08468c3d5801
children 83023a2668d2
rev   line source
csr21@59 1 (in-package "AMUSE-GSHARP")
csr21@59 2
csr21@59 3 (defmethod time-signatures ((composition gsharp-composition))
csr21@59 4 ())
csr21@59 5
d@162 6 (defmethod get-composition ((id gsharp-gsh-identifier))
d@162 7 "Makes a gsharp buffer from .gsh file and generates a composition
d@162 8 from its first segment. N.B. 1) This is not compatible with
d@162 9 multi-segment files 2) No application frame is created (=> data flow
d@162 10 is pretty much one way)"
d@162 11 (let ((buffer (with-open-file (s (%gsharp-identifier-pathname id))
d@162 12 (gsharp::read-buffer-from-stream s))))
d@162 13 (gsharp::recompute-measures buffer)
d@162 14 (segment-composition (car (gsharp::segments buffer)))))
d@162 15
d@162 16 (defmethod get-composition ((id gsharp-mxml-identifier))
d@162 17 "Makes a gsharp buffer from .mxml file and generates a composition
d@162 18 from its first segment. N.B. 1) This is not compatible with
d@162 19 multi-segment files 2) No application frame is created (=> data flow
d@162 20 is pretty much one way)"
d@162 21 (let ((buffer (gsharp-mxml::parse-mxml
d@162 22 (gsharp-mxml::musicxml-document
d@162 23 (%gsharp-identifier-pathname id)))))
d@162 24 (gsharp::recompute-measures buffer)
d@162 25 (segment-composition (car (gsharp::segments buffer)))))
d@162 26
d@162 27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
d@162 28 ;;
d@162 29 ;; These versions may not be useful, but create and return a gsharp
d@162 30 ;; application frame as well as a composition
d@162 31
d@162 32 (defgeneric get-composition-with-application-frame (identifier))
d@162 33 (defmethod get-composition-with-application-frame ((id gsharp-identifier))
d@162 34 (let* ((frame (clim:make-application-frame 'gsharp:gsharp))
d@162 35 (clim:*application-frame* frame)
d@162 36 (esa:*esa-instance* frame))
d@162 37 (clim:adopt-frame (clim:find-frame-manager :server-path '(:null)) frame)
d@162 38 (import-from-identifier frame id)
d@162 39 (gsharp::recompute-measures (car (esa-buffer::buffers frame)))
d@162 40 (values (segment-composition (car (gsharp::segments (car (esa-buffer::buffers frame)))))
d@162 41 frame)))
d@162 42
d@162 43 (defgeneric import-from-identifier (frame id))
d@162 44 (defmethod import-from-identifier (frame (id gsharp-gsh-identifier))
d@162 45 (clim:execute-frame-command frame '(gsharp::com-new-buffer))
d@162 46 (gsharp::frame-find-file frame (%gsharp-identifier-pathname id)))
d@162 47 (defmethod import-from-identifier (frame (id gsharp-mxml-identifier))
d@162 48 (clim:execute-frame-command frame `(gsharp::com-import-musicxml ,(%gsharp-identifier-pathname id))))