melrōse musical expression player

package server import ( "flag" "net/http" "github.com/emicklei/melrose/api" "github.com/emicklei/melrose/core" "github.com/emicklei/melrose/notify" "github.com/emicklei/structexplorer" ) // LanguageServer can execute DSL statements received over HTTP type LanguageServer struct { context core.Context address string service api.Service } // NewLanguageServer returns a new LanguageService. It is not started. func NewLanguageServer(ctx core.Context, addr string) *LanguageServer { return &LanguageServer{context: ctx, address: addr, service: api.NewService(ctx)} } // Start will start a HTTP listener for serving DSL statements // curl -v -d 'n = note("C")' http://localhost:8118/v1/statements func (l *LanguageServer) Start() error { http.HandleFunc("/v1/statements", l.statementHandler) http.HandleFunc("/v1/inspect", l.inspectHandler) http.HandleFunc("/v1/notes", l.notesPageHandler) http.HandleFunc("/v1/pianoroll", l.pianorollImageHandler) http.HandleFunc("/version", l.versionHandler) return http.ListenAndServe(l.address, nil) } var httpPort = flag.String("http", ":8118", "address on which to listen for HTTP requests") func Start(ctx core.Context) { ls := NewLanguageServer(ctx, *httpPort) if len(*httpPort) > 0 { // start DSL server go ls.Start() } else { notify.Warnf("empty http flag, skip starting HTTP server") } if notify.IsDebug() { go structexplorer.NewService("ctx", ctx).Start() } }