WIP adding paste support

3 files changed, 153 insertions, 16 deletions

diff --git a/go.mod b/go.mod
index 2dd9101..3e15e7b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,15 @@
 module github.com/theimpostor/osc52
 
 go 1.17
+
+require golang.org/x/sys v0.10.0
+
+require (
+	github.com/gdamore/encoding v1.0.0 // indirect
+	github.com/gdamore/tcell/v2 v2.6.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
+	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/rivo/uniseg v0.4.3 // indirect
+	golang.org/x/term v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..3ef6b84
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,41 @@
+github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
+github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
+github.com/gdamore/tcell/v2 v2.6.0 h1:OKbluoP9VYmJwZwq/iLb4BxwKcwGthaa1YNBJIyCySg=
+github.com/gdamore/tcell/v2 v2.6.0/go.mod h1:be9omFATkdr0D9qewWW3d+MEvl5dha+Etb5y65J2H8Y=
+github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
+github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
+github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
+github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.3 h1:utMvzDsuh3suAEnhH0RdHmoPbU648o6CvXxTx4SBMOw=
+github.com/rivo/uniseg v0.4.3/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.5.0 h1:n2a8QNdAb0sZNpU9R1ALUXBbY+w51fCQDN+7EdxNBsY=
+golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
+golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/main.go b/main.go
index 2258b5a..f82c774 100644
--- a/main.go
+++ b/main.go
@@ -5,9 +5,12 @@ import (
 	"encoding/base64"
 	"flag"
 	"fmt"
+	"github.com/gdamore/tcell/v2"
 	"io"
 	"log"
 	"os"
+	"syscall"
+	// "golang.org/x/sys/unix"
 )
 
 func encode(fname string, encoder io.WriteCloser) {
@@ -41,27 +44,108 @@ With no arguments, will read from stdin.
 		fmt.Fprintf(flag.CommandLine.Output(), template, os.Args[0])
 	}
 
+	pasteFlag := flag.Bool("paste", false, "paste operation")
+
 	flag.Parse()
-	if len(flag.Args()) > 0 {
-		fnames = flag.Args()
+	if !*pasteFlag {
+		// copy
+		if len(flag.Args()) > 0 {
+			fnames = flag.Args()
+		} else {
+			fnames = []string{"-"}
+		}
+
+		// Open buffered output, using default max OSC52 length as buffer size
+		out := bufio.NewWriterSize(os.Stdout, 1000000)
+
+		// Start OSC52
+		fmt.Fprintf(out, "\033]52;c;")
+
+		b64 := base64.NewEncoder(base64.StdEncoding, out)
+		for _, fname := range fnames {
+			encode(fname, b64)
+		}
+		b64.Close()
+
+		// End OSC52
+		fmt.Fprintf(out, "\a")
+
+		out.Flush()
 	} else {
-		fnames = []string{"-"}
-	}
+		// paste
 
-	// Open buffered output, using default max OSC52 length as buffer size
-	out := bufio.NewWriterSize(os.Stdout, 1000000)
+		// Start OSC52
+		fmt.Printf("\033]52;c;?\a")
 
-	// Start OSC52
-	fmt.Fprintf(out, "\033]52;c;")
+		readFunc := func() (data []byte) {
+			var err error
+			tty, err := tcell.NewDevTty()
+			if err != nil {
+				fmt.Fprintln(os.Stderr, "ERROR: tcell.NewDevTty:", err)
+				return
+			}
+			defer func() {
+				if err = tty.Drain(); err != nil {
+					fmt.Fprintln(os.Stderr, "Drain error:", err)
+				}
+				if err = tty.Stop(); err != nil {
+					fmt.Fprintln(os.Stderr, "Drain error:", err)
+				}
+				if err = tty.Close(); err != nil {
+					fmt.Fprintln(os.Stderr, "Drain error:", err)
+				}
+			}()
+			if err = tty.Start(); err != nil {
+				fmt.Fprintln(os.Stderr, "Start error:", err)
+			}
 
-	b64 := base64.NewEncoder(base64.StdEncoding, out)
-	for _, fname := range fnames {
-		encode(fname, b64)
-	}
-	b64.Close()
+			ttyReader := bufio.NewReader(tty)
+			data, err = ttyReader.ReadBytes('\a')
+			if err != nil && err != syscall.EAGAIN {
+				fmt.Fprintln(os.Stderr, "Read error:", err)
+				return
+			}
+			return
+		}
+		buf := readFunc()
+		// fmt.Fprintln(os.Stderr, "Read", len(buf), "bytes")
+		fmt.Fprintf(os.Stderr, "Read %d bytes, %x\n", len(buf), buf)
+		// fmt.Fprintln(os.Stderr, "Read:", string(buf[:]))
+
+		// tty, err := os.OpenFile("/dev/tty", os.O_RDONLY, 0)
+		// if err != nil {
+		// 	fmt.Fprintln(os.Stderr, "Error opening /dev/tty:", err)
+		// 	return
+		// }
+		// defer tty.Close()
 
-	// End OSC52
-	fmt.Fprintf(out, "\a")
+		// // set nonblocking
+		// err = unix.SetNonblock(int(tty.Fd()), true)
+		// if err != nil {
+		// 	fmt.Fprintln(os.Stderr, "Error setting nonblock:", err)
+		// 	return
+		// }
 
-	out.Flush()
+		// // Create a byte slice to read into
+		// buf := make([]byte, 1)
+
+		// for {
+		// 	// Try to read
+		// 	n, err := tty.Read(buf)
+		// 	if err != nil && err != syscall.EAGAIN {
+		// 		fmt.Fprintln(os.Stderr, "Read error:", err)
+		// 		return
+		// 	}
+
+		// 	// If we got some data, print it
+		// 	if n > 0 {
+		// 		fmt.Fprintln(os.Stderr, "Read:", string(buf[:n]))
+
+		// 		if buf[0] == byte('\a') {
+		// 			fmt.Fprintln(os.Stderr, "END")
+		// 			break
+		// 		}
+		// 	}
+		// }
+	}
 }