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TextView: add Error to buffer operations
Typed error sets are nice to have.
authored by
Jari Vetoniemi
and committed by
Tim Culverhouse
54def846
71b8ecc7
+5
-3
+5
-3
src/widgets/TextView.zig
+5
-3
src/widgets/TextView.zig
···
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style: vaxis.Style,
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};
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pub const Error = error{OutOfMemory};
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+
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grapheme: std.MultiArrayList(grapheme.Grapheme) = .{},
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content: std.ArrayListUnmanaged(u8) = .{},
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style_list: StyleList = .{},
···
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}
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/// Replaces contents of the buffer, all previous buffer data is lost.
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pub fn update(self: *@This(), allocator: std.mem.Allocator, content: Content) !void {
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pub fn update(self: *@This(), allocator: std.mem.Allocator, content: Content) Error!void {
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self.clear(allocator);
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errdefer self.clear(allocator);
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try self.append(allocator, content);
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}
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/// Appends content to the buffer.
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pub fn append(self: *@This(), allocator: std.mem.Allocator, content: Content) !void {
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pub fn append(self: *@This(), allocator: std.mem.Allocator, content: Content) Error!void {
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var cols: usize = self.last_cols;
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var iter = grapheme.Iterator.init(content.bytes, content.gd);
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const dw: DisplayWidth = .{ .data = content.wd };
···
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}
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/// Update style for range of the buffer contents.
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pub fn updateStyle(self: *@This(), allocator: std.mem.Allocator, style: Style) !void {
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pub fn updateStyle(self: *@This(), allocator: std.mem.Allocator, style: Style) Error!void {
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const style_index = blk: {
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for (self.style_list.items, 0..) |s, i| {
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if (std.meta.eql(s, style.style)) {