Bug fixed for unix error "readlink /proc/self/fd/0" on MacOS.

[Faustine.git] / interpreter / faustio.ml

diff --git a/interpreter/faustio.ml b/interpreter/faustio.ml
index 7df74a6..408d750 100644 (file)
--- a/interpreter/faustio.ml
+++ b/interpreter/faustio.ml
@@ -11,20 +11,26 @@ open Value;;
 open Signal;;
 open Beam;;
 open Aux;;
 open Signal;;
 open Beam;;
 open Aux;;

+open Nest;;
+
+exception IO_Error of string;;

 
 let csv_read_buffer_length = 0xFFFF;;
 
 let csv_read_buffer_length = 0xFFFF;;

+let nst_read_buffer_length = 0xFFFF;;

 
 class virtual io = 
   object
 
 class virtual io = 
   object

+    val mutable _filename = ""

     val mutable _basename = ""
     val mutable _dir = ""
     val mutable _basename = ""
     val mutable _dir = ""

-    method set : string -> string -> unit = 
-      fun (dir : string) ->
-       fun (basename : string) ->
-         _basename <- basename; _dir <- dir
+    method set : string -> string -> string -> unit = 
+      fun (filename : string) ->
+       fun (dir : string) ->
+         fun (basename : string) ->
+           _filename <- filename; _basename <- basename; _dir <- dir

 
     method virtual read : string array -> beam
 
     method virtual read : string array -> beam

-    method virtual write : rate array -> data -> string array
+    (*method virtual write : rate array -> data -> string * string -> string array*)

     
     method private concat : data -> matrix = 
       fun (origin : data) ->
     
     method private concat : data -> matrix = 
       fun (origin : data) ->


@@ -66,27 +72,37 @@ class waveio : io_type =
            array_map2 (new signal) rates (Array.map stream2func containers) in
          new beam signals
 
            array_map2 (new signal) rates (Array.map stream2func containers) in
          new beam signals
 

-    method write : rate array -> data -> string array = 
+    method write : rate array -> data -> string * string -> string array = 

       fun (rates : rate array) ->
        fun (output : data) ->
       fun (rates : rate array) ->
        fun (output : data) ->

-         let n = Array.length output in          
-         let paths = Array.init n (fun i -> 
-           _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".wav") in
-         let get_freq = fun (r : rate) -> r#to_int in
-         let freqs = Array.map get_freq rates in
-
-         let files = 
-           let channels = self#channels output in 
-           let file_format = Sndfile.format 
-               Sndfile.MAJOR_WAV Sndfile.MINOR_PCM_16 in
-           let openwr = fun path -> fun channel -> fun freq ->
-             Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, freq) path in
-           array_map3 openwr paths channels freqs in 
-
+         fun (info : string * string) ->
+           let stdoutput = fst info in
+           let basename = snd info in
+           let n = Array.length output in
+           let paths = 
+             if n = 1 && stdoutput <> "" && basename = "" then 
+               let () = Unix.unlink stdoutput in [|stdoutput|]
+             else if stdoutput = "" && basename <> "" then 
+               Array.init n (fun i -> 
+                 _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".wav")          
+             else if stdoutput = "" && basename = "" then
+               raise (IO_Error "Please specify stdout or output basename.")
+             else raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.") in
+            let get_freq = fun (r : rate) -> r#to_int in
+           let freqs = Array.map get_freq rates in
+           
+           let files = 
+             let channels = self#channels output in 
+             let file_format = Sndfile.format 
+                 Sndfile.MAJOR_WAV Sndfile.MINOR_PCM_16 in
+             let openwr = fun path -> fun channel -> fun freq ->
+               Sndfile.openfile ~info:(Sndfile.RDWR, file_format, channel, freq) path in
+             array_map3 openwr paths channels freqs in 
+           

            let data = self#concat output in
            let _ = array_map2 Sndfile.write files data in
            let _ = Array.map Sndfile.close files in
            let data = self#concat output in
            let _ = array_map2 Sndfile.write files data in
            let _ = Array.map Sndfile.close files in

-         paths
+           paths

   end;;
 
 
   end;;
 
 


@@ -121,79 +137,200 @@ class csvio : io_type =
        let signals = Array.map self#csvread files in
        new beam signals
 
        let signals = Array.map self#csvread files in
        new beam signals
 

-    method write : rate array -> data -> string array = 
+    method write : rate array -> data -> string * string -> string array = 

       fun (rates : rate array) ->
        fun (data : data) ->
       fun (rates : rate array) ->
        fun (data : data) ->

-         let paths = 
+         fun (info : string * string) -> 
+           let stdoutput = fst info in
+           let basename = snd info in

            let n = Array.length data in
            let n = Array.length data in

-           let path_pattern = fun i -> 
-             _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".csv" in
-           Array.init n path_pattern in          
-
-         let files = Array.map open_out paths in
-         let strings = 
-           let value2string : float array -> string =
-             fun (v : float array) ->
-               let strings = Array.map string_of_float v in
-               String.concat "," (Array.to_list strings) in
-           let signal2string : float array array -> string = 
-             fun (s : float array array) -> 
-               let lines = Array.map value2string s in
-               String.concat "\n" (Array.to_list lines) in
-           Array.map signal2string data in
-         let _ = array_map2 output_string files strings in
-         let _ = Array.map close_out files in
-         paths
+           let strings = 
+             let value2string : float array -> string =
+               fun (v : float array) ->
+                 let strings = Array.map string_of_float v in
+                 String.concat "," (Array.to_list strings) in
+             let signal2string : float array array -> string = 
+               fun (s : float array array) -> 
+                 let lines = Array.map value2string s in
+                 String.concat "\n" (Array.to_list lines) in
+             Array.map signal2string data in
+
+           if stdoutput = "" && basename = "" then
+             let _ = Array.map (output_string stdout) strings in
+             [|"Stdout"|]
+           else 
+             let paths = 
+               if n = 1 && stdoutput <> "" && basename = "" then 
+                 let () = Unix.unlink stdoutput in [|stdoutput|]
+               else if stdoutput = "" && basename <> "" then 
+                 Array.init n (fun i -> 
+                   _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".csv") 
+               else raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.") in
+              let files = Array.map open_out paths in
+             let _ = array_map2 output_string files strings in
+             let _ = Array.map close_out files in
+             paths

   end;;
 
 
   end;;
 
 

+
+class nstio = 
+  object (self)
+    inherit io
+    method private nstread : in_channel -> signal = 
+      fun (ic : in_channel) ->
+       let buffer = Buffer.create nst_read_buffer_length in
+       let () = 
+         try
+           while true do
+             Buffer.add_string buffer (input_line ic);
+             Buffer.add_char buffer '\t';
+           done; 
+         with End_of_file -> () in
+       let content = Buffer.contents buffer in
+       let lines = Str.split (Str.regexp "\t") content in
+        let basics = List.map basic_from_nest (List.map nest_from_string lines) in
+        let values = Array.map (new value) (Array.of_list basics) in
+       new signal (new rate 0 1) (Array.get values)
+
+    method read : string array -> beam =
+      fun (paths : string array) ->
+       let files = Array.map open_in paths in
+       let signals = Array.map self#nstread files in
+       new beam signals
+
+    method write : rate array -> raw_data -> string * string -> string array = 
+      fun (rates : rate array) ->
+       fun (data : raw_data) ->
+         fun (info : string * string) -> 
+           let stdoutput = fst info in
+           let basename = snd info in
+           let length = Array.length data in
+            let width = Array.length rates in
+
+           let strings = 
+              let value2string : value -> string =
+                fun (v : value) -> v#to_neststring in
+              let init = "" in
+              let container = Array.make length (Array.make width init) in
+              let index = ref 0 in
+
+              try 
+                while !index < length do
+                  container.(!index) <- Array.map value2string data.(!index);
+                  incr index;
+                done;
+                Array.map (String.concat "\n") 
+                  (Array.map Array.to_list (transpose width container))
+
+              with x -> 
+                match x with
+                | Invalid_argument s -> 
+                    let fragments = Array.sub container 0 !index in
+                    let string_lists = 
+                      Array.map Array.to_list (transpose width fragments) in
+                    Array.map (String.concat "\n") string_lists
+                | _ -> raise x in
+
+           if stdoutput = "" && basename = "" then
+             let _ = Array.map (output_string stdout) strings in
+             [|"Stdout"|]
+           else 
+             let paths = 
+               if width = 1 && stdoutput <> "" && basename = "" then 
+                 let () = Unix.unlink stdoutput in [|stdoutput|]
+               else if stdoutput = "" && basename <> "" then 
+                 Array.init width (fun i -> 
+                   _dir ^ _basename ^ (string_of_int (i + 1)) ^ ".nst") 
+               else raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.") in
+              let files = Array.map open_out paths in
+             let _ = array_map2 output_string files strings in
+             let _ = Array.map close_out files in
+             paths
+  end;;
+

 class iomanager = 
   object (self)
     val wave = new waveio
     val csv = new csvio
 class iomanager = 
   object (self)
     val wave = new waveio
     val csv = new csvio

+    val nst = new nstio
+    val mutable _filename = ""

     val mutable _dir = ""
     val mutable _format = ""
     val mutable _basename = ""
 
     val mutable _dir = ""
     val mutable _format = ""
     val mutable _basename = ""
 

-    method private grab_format : string -> string = 
-      fun (path : string) ->
-       let fragments = Str.split (Str.regexp "\.") path in
-       let n = List.length fragments in
-       List.nth fragments (n - 1)      
-

     method read : string list -> beam_type = 
       fun (paths : string list) ->
     method read : string list -> beam_type = 
       fun (paths : string list) ->

-       let formats = List.map self#grab_format paths in
+       let formats = List.map format_of_file paths in

        let read_one : string -> string -> beam_type = 
          fun (format : string) ->
            fun (path : string) ->
              if format = "wav" then wave#read [|path|]
              else if format = "csv" then csv#read [|path|]
        let read_one : string -> string -> beam_type = 
          fun (format : string) ->
            fun (path : string) ->
              if format = "wav" then wave#read [|path|]
              else if format = "csv" then csv#read [|path|]

+             else if format = "nst" then nst#read [|path|]

              else raise (Invalid_argument "Unknown format.") in
        let beams = List.map2 read_one formats paths in
        let concat : beam_type -> beam_type -> beam_type = 
          fun b1 -> fun b2 -> b1#append b2 in
        List.fold_left concat (new beam [||]) beams
              
              else raise (Invalid_argument "Unknown format.") in
        let beams = List.map2 read_one formats paths in
        let concat : beam_type -> beam_type -> beam_type = 
          fun b1 -> fun b2 -> b1#append b2 in
        List.fold_left concat (new beam [||]) beams
              

-    method set : string -> string -> string -> unit = 
-      fun (dir : string) ->
-       fun (format : string) ->
-         fun (basename : string) ->
-           _dir <- dir; 
-           _format <- format; 
-           _basename <- basename;
-           wave#set _dir _basename;
-           csv#set _dir _basename
+    method set : string -> string -> string -> string -> unit = 
+      fun (filename : string) ->
+       fun (dir : string) ->
+         fun (format : string) ->
+           fun (basename : string) ->
+             _filename <- filename;
+             _dir <- dir; 
+             _format <- format; 
+             _basename <- basename;
+             wave#set _filename _dir _basename;
+             csv#set _filename _dir _basename;
+             nst#set _filename _dir _basename

 
     method write : rate array -> data -> string array = 
       fun (rates : rate array) ->
        fun (data : data) ->
 
     method write : rate array -> data -> string array = 
       fun (rates : rate array) ->
        fun (data : data) ->

-         if _format = "" then
-           raise (Invalid_argument "output format unset.")
-         else if _format = "wav" then 
-           wave#write rates data
-         else if _format = "csv" then
-           csv#write rates data 
-         else raise (Invalid_argument "unknown format.")
-       
+         let n = Array.length rates in
+         if n = 1 then (
+           if _filename <> "" then (
+             let fmt = format_of_file _filename in
+             if fmt = "csv" then csv#write rates data (_filename, "")
+             else if fmt = "wav" then wave#write rates data (_filename, "")
+             else raise (IO_Error "Unknown stdout format."))
+           else if _basename <> "" && _format <> "" then (
+             if _format = "csv" then csv#write rates data ("", _basename)
+             else if _format = "wav" then wave#write rates data ("", _basename)
+             else raise (IO_Error "Unknown --oformat."))
+           else if _filename = "" && _basename = "" && _format = "" then
+             csv#write rates data ("", "")
+           else raise (IO_Error "Please specify both --obasename and --oformat."))
+
+         else if n > 1 then (
+           if _filename <> "" then
+             raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.")
+            else if _basename <> "" && _format <> "" then (
+             if _format = "csv" then csv#write rates data ("", _basename)
+             else if _format = "wav" then wave#write rates data ("", _basename)
+             else raise (IO_Error "Unknown --oformat."))
+           else raise (IO_Error "Please specify both --obasename and --oformat."))
+
+         else 
+           [|"no output signal."|]
+
+    method write_nst : rate array -> raw_data -> string array = 
+      fun (rates : rate array) ->
+       fun (rd : raw_data) ->
+         let n = Array.length rates in   
+          let info = 
+              if _filename <> "" && n = 1 then (_filename, "")
+              else if _basename <> "" && _format <> "" then ("", _basename)
+              else if _filename = "" && _basename = "" && _format = "" then
+                ("", "")             
+              else if _filename <> "" && n > 1 then 
+                raise (IO_Error "Stdout doesn't support multi-output process. Please remove '> stdout' and use --obasename --oformat.")
+              else raise (IO_Error "Please specify both --obasename and --oformat.") in
+          nst#write rates rd info
+

   end;;
   end;;

+
+