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TextView: add Error to buffer operations

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Typed error sets are nice to have.
This commit is contained in:
Jari Vetoniemi 2024-06-04 21:27:50 +09:00 committed by Tim Culverhouse
parent 71b8ecc7c2
commit 54def846bf
1 changed files with 5 additions and 3 deletions
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8
src/widgets/TextView.zig
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@ -43,6 +43,8 @@ pub const Buffer = struct {
style: vaxis.Style,
};
pub const Error = error{OutOfMemory};
grapheme: std.MultiArrayList(grapheme.Grapheme) = .{},
content: std.ArrayListUnmanaged(u8) = .{},
style_list: StyleList = .{},
@ -67,14 +69,14 @@ pub const Buffer = struct {
}
/// Replaces contents of the buffer, all previous buffer data is lost.
pub fn update(self: *@This(), allocator: std.mem.Allocator, content: Content) !void {
pub fn update(self: *@This(), allocator: std.mem.Allocator, content: Content) Error!void {
self.clear(allocator);
errdefer self.clear(allocator);
try self.append(allocator, content);
}
/// Appends content to the buffer.
pub fn append(self: *@This(), allocator: std.mem.Allocator, content: Content) !void {
pub fn append(self: *@This(), allocator: std.mem.Allocator, content: Content) Error!void {
var cols: usize = self.last_cols;
var iter = grapheme.Iterator.init(content.bytes, content.gd);
const dw: DisplayWidth = .{ .data = content.wd };
@ -104,7 +106,7 @@ pub const Buffer = struct {
}
/// Update style for range of the buffer contents.
pub fn updateStyle(self: *@This(), allocator: std.mem.Allocator, style: Style) !void {
pub fn updateStyle(self: *@This(), allocator: std.mem.Allocator, style: Style) Error!void {
const style_index = blk: {
for (self.style_list.items, 0..) |s, i| {
if (std.meta.eql(s, style.style)) {