ed

commit 473d4e15bf2c40b9b7e703a1bbe5408ba04dfece
parent c8026372a752928e9ccbb6545e5238890c5e2f4e
Author: Byron Torres <b@torresjrjr.com>
Date:   Sun, 12 Sep 2021 15:00:03 +0100

Add examples, complete cmd_write()

Diffstat:
M
command.ha
 | 
28
+++++++++++++++++++---------
M
ed.ha
 | 
14
+++++++++++++-

2 files changed, 32 insertions(+), 10 deletions(-)
diff --git a/command.ha b/command.ha
@@ -20,19 +20,29 @@ fn cmd_edit(buf: *buffer, fname: filename) void = {
 
 // 'w' command
 fn cmd_write(buf: *buffer, fname: filename) void = {
-	const flags = [fs::flags::WRONLY, fs::flags::NOCTTY, fs::flags::CLOEXEC];
-	match (fname) {
-		void => void,
+	const mode = fs::mode::USER_RW | fs::mode::GROUP_R | fs::mode::OTHER_R;
+	const flags = [
+		fs::flags::WRONLY,
+		fs::flags::TRUNC,
+		fs::flags::NOCTTY,
+		fs::flags::CLOEXEC,
+	];
+	const file = match (fname) {
+		void => abort("TODO"),
 		fname: str => match (os::open(fname, flags...)) {
-			err: fs::error => fmt::fatal("Error {}", fs::strerror(err)),
-			f: io::file => {
-				const n = buf_write(buf, &f);
-				if (!surpress) {
-					fmt::println(n)?;
-				};
+			fs::error => match (os::create(fname, mode)) {
+				err: fs::error => fmt::fatal("Error {}", fs::strerror(err)),
+				file: io::file => file,
 			},
+			file: io::file => file,
 		},
 	};
+
+	const n = buf_write(buf, &file);
+	if (!surpress) {
+		fmt::println(n)?;
+	};
+
 };
 
 // 'r' command
diff --git a/ed.ha b/ed.ha
@@ -58,9 +58,21 @@ export fn main() void = {
 		parse_cmd(command);
 		break;
 	};
+
+	// test examples
+	print_buffer(buf);
+
+	cmd_edit(buf, fname);
+	print_buffer(buf);
+
+	cmd_read(buf, "./tmp/gpl.txt");
+	print_buffer(buf);
+
+	cmd_write(buf, "./tmp/out");
+	print_buffer(buf);
 };
 
-// "3,7,/a/,+3m4"
+// "3,7,/a/,+2m4"
 // str -> struct {
 // 	prefix_ranges: []addr,     // "2" "+2" "-1"
 // 	primary_command: command,   // e E f q Q r w !