commit fc42dd0fcc03d5cf83004538f03f6f9cc89a88ae
Author: Özgür Kesim <oec@codeblau.de>
Date:   Sun Dec 8 22:41:16 2024 +0100

    init

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..c0a76f4
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,8 @@
+module Uncrust
+
+go 1.23.4
+
+require (
+	9fans.net/go v0.0.7 // indirect
+	github.com/akedrou/textdiff v0.1.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..ae0c1ea
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,36 @@
+9fans.net/go v0.0.7 h1:H5CsYJTf99C8EYAQr+uSoEJnLP/iZU8RmDuhyk30iSM=
+9fans.net/go v0.0.7/go.mod h1:Rxvbbc1e+1TyGMjAvLthGTyO97t+6JMQ6ly+Lcs9Uf0=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20201218220906-28db891af037/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/akedrou/textdiff v0.1.0 h1:K7nbOVQju7/coCXnJRJ2fsltTwbSvC+M4hKBUJRBRGY=
+github.com/akedrou/textdiff v0.1.0/go.mod h1:a9CCC49AKtFTmVDNFHDlCg7V/M7C7QExDAhb2SkL6DQ=
+github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
+golang.org/x/exp v0.0.0-20210405174845-4513512abef3/go.mod h1:I6l2HNBLBZEcrOoCpyKLdY2lHoRZ8lI4x60KMCQDft4=
+golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
+golang.org/x/mobile v0.0.0-20201217150744-e6ae53a27f4f/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
+golang.org/x/mobile v0.0.0-20210220033013-bdb1ca9a1e08/go.mod h1:skQtrUTUwhdJvXM/2KKJzY8pDgNr9I/FOMqDVRPBUS4=
+golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
+golang.org/x/mod v0.1.1-0.20191209134235-331c550502dd/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.3.1-0.20200828183125-ce943fd02449/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/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 v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210415045647-66c3f260301c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/uncrust.go b/uncrust.go
new file mode 100644
index 0000000..a8a362e
--- /dev/null
+++ b/uncrust.go
@@ -0,0 +1,118 @@
+package main
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"9fans.net/go/acme"
+	"github.com/akedrou/textdiff"
+)
+
+var (
+	fl_lang    = flag.String("l", "C", "Language")
+	fl_verbose = flag.Bool("v", false, "Verbosity on")
+)
+
+func main() {
+	samfile := os.Getenv("samfile")
+	id := os.Getenv("winid")
+	if "" == id {
+		log.Fatalf("no $winid set, not running in acme?")
+	}
+
+	wid, e := strconv.Atoi(id)
+	if e != nil {
+		log.Fatalf("couldn't parse $winid: %s\n", e)
+	}
+
+	win, e := acme.Open(wid, nil)
+	if e != nil {
+		log.Fatalf("couldn't open acme window id %d: %s\n", wid, e)
+	}
+
+	body, e := win.ReadAll("body")
+	if e != nil {
+		log.Fatalf("couldn't read body of window id %d: %s\n", wid, e)
+	}
+
+	args := []string{"-l", *fl_lang}
+	stderr := &bytes.Buffer{}
+	stdout := &bytes.Buffer{}
+
+	cmd := exec.Command("uncrustify", args...)
+	cmd.Stdin = bytes.NewBuffer(body)
+	cmd.Stdout = stdout
+	cmd.Stderr = stderr
+
+	if e = cmd.Run(); e != nil {
+		if _, ok := e.(*exec.ExitError); ok {
+			str := stderr.String()
+			if len(samfile) != 0 {
+				str = strings.ReplaceAll(str, "stdin, open_line is ", samfile+":")
+			}
+			log.Fatal("error: " + str)
+		}
+		log.Fatalf("error: %s\n", e)
+		return
+	}
+
+	after := stdout.String()
+	before := string(body)
+	edits := textdiff.Strings(before, after)
+	textdiff.SortEdits(edits)
+
+	// We have to calculate the rune position from the byte position.
+	rcount := 0
+	idx := 0
+	cont := false
+	for p := range before {
+		cont = false
+		for i := range edits[idx:] {
+			cont = true
+			if edits[i].Start == p {
+				edits[i].Start = rcount
+			}
+			if edits[i].End == p {
+				edits[i].End = rcount
+				idx++
+			}
+		}
+		rcount++
+		if !cont {
+			break
+		}
+	}
+
+	if len(edits) > 0 {
+		win.Write("ctl", []byte("mark"))
+		win.Write("ctl", []byte("nomark"))
+		if *fl_verbose {
+			log.Printf("Applying %d diffs:\n%s\n", len(edits), pretty(edits, samfile))
+		}
+	}
+
+	for i := len(edits) - 1; i >= 0; i-- {
+		edit := edits[i]
+
+		addr := fmt.Sprintf("#%d,#%d", edit.Start, edit.End)
+		e = win.Addr(addr)
+		if e != nil {
+			log.Fatalf("error writing to acme/%d/addr: %s\n", wid, e)
+		}
+		win.Write("data", []byte(edit.New))
+	}
+}
+
+func pretty(e []textdiff.Edit, p string) string {
+	b := &bytes.Buffer{}
+	for _, e := range e {
+		fmt.Fprintf(b, "%s:#%d,#%d\n", p, e.Start, e.End)
+	}
+	return b.String()
+}