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OSC parsing for get/set clipboard (OSC 52) -- not hooked up yet

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This commit is contained in:
Mitchell Hashimoto
2022-11-18 18:16:53 -08:00
parent 3de68e1d7a
commit dbf167d18a
1 changed files with 59 additions and 0 deletions
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59
src/terminal/osc.zig
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@ -63,6 +63,14 @@ pub const Command = union(enum) {
/// Reset the color for the cursor. This reverts changes made with
/// change/read cursor color.
reset_cursor_color: void,
/// Set or get clipboard contents. If data is null, then the current
/// clipboard contents are sent to the pty. If data is set, this
/// contents is set on the clipboard.
clipboard_contents: struct {
kind: u8,
data: []const u8,
},
};
pub const Parser = struct {
@ -110,6 +118,8 @@ pub const Parser = struct {
@"13",
@"133",
@"2",
@"5",
@"52",
// We're in a semantic prompt OSC command but we aren't sure
// what the command is yet, i.e. `133;`
@ -120,6 +130,10 @@ pub const Parser = struct {
semantic_exit_code_start,
semantic_exit_code,
// Get/set clipboard states
clipboard_kind,
clipboard_kind_end,
// Expect a string parameter. param_str must be set as well as
// buf_start.
string,
@ -151,6 +165,7 @@ pub const Parser = struct {
'0' => self.state = .@"0",
'1' => self.state = .@"1",
'2' => self.state = .@"2",
'5' => self.state = .@"5",
else => self.state = .invalid,
},
@ -201,6 +216,36 @@ pub const Parser = struct {
else => self.state = .invalid,
},
.@"5" => switch (c) {
'2' => self.state = .@"52",
else => self.state = .invalid,
},
.@"52" => switch (c) {
';' => {
self.command = .{ .clipboard_contents = undefined };
self.state = .clipboard_kind;
},
else => self.state = .invalid,
},
.clipboard_kind => switch (c) {
';' => self.state = .invalid,
else => {
self.command.clipboard_contents.kind = c;
self.state = .clipboard_kind_end;
},
},
.clipboard_kind_end => switch (c) {
';' => {
self.state = .string;
self.temp_state = .{ .str = &self.command.clipboard_contents.data };
self.buf_start = self.buf_idx;
},
else => self.state = .invalid,
},
.semantic_prompt => switch (c) {
'A' => {
self.state = .semantic_option_start;
@ -439,3 +484,17 @@ test "OSC: reset_cursor_color" {
const cmd = p.end().?;
try testing.expect(cmd == .reset_cursor_color);
}
test "OSC: reset_cursor_color" {
const testing = std.testing;
var p: Parser = .{};
const input = "52;s;?";
for (input) |ch| p.next(ch);
const cmd = p.end().?;
try testing.expect(cmd == .clipboard_contents);
try testing.expect(cmd.clipboard_contents.kind == 's');
try testing.expect(std.mem.eql(u8, "?", cmd.clipboard_contents.data));
}