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widgets(terminal): read full codepoints
Only read full codepoints. Some programs will split codepoints between
reads, which can mess with our parser (looking at you, btop)
+19
+19
src/widgets/terminal/Parser.zig
+19
src/widgets/terminal/Parser.zig
···
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inline fn parseGround(self: *Parser, reader: *BufferedReader) !Event {
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var buf: [1]u8 = undefined;
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{
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std.debug.assert(self.buf.items.len > 0);
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// Handle first byte
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const len = try std.unicode.utf8ByteSequenceLength(self.buf.items[0]);
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var i: usize = 1;
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while (i < len) : (i += 1) {
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const read = try reader.read(&buf);
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if (read == 0) return error.EOF;
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try self.buf.append(buf[0]);
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}
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}
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while (true) {
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if (reader.start == reader.end) return .{ .print = self.buf.items };
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const n = try reader.read(&buf);
···
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},
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else => {
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try self.buf.append(b);
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const len = try std.unicode.utf8ByteSequenceLength(b);
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var i: usize = 1;
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while (i < len) : (i += 1) {
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const read = try reader.read(&buf);
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if (read == 0) return error.EOF;
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try self.buf.append(buf[0]);
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}
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},
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}
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}