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const std = @import("std");
const testing = std.testing;
const lib = @import("../lib.zig");
const page = @import("../page.zig");
const Row = page.Row;
const Result = @import("result.zig").Result;
/// C: GhosttyRow
pub const CRow = Row.C;
/// C: GhosttyRowSemanticPrompt
pub const SemanticPrompt = enum(c_int) {
none = 0,
prompt = 1,
prompt_continuation = 2,
};
/// C: GhosttyRowData
pub const RowData = enum(c_int) {
invalid = 0,
/// Whether this row is soft-wrapped.
/// Output type: bool *
wrap = 1,
/// Whether this row is a continuation of a soft-wrapped row.
/// Output type: bool *
wrap_continuation = 2,
/// Whether any cells in this row have grapheme clusters.
/// Output type: bool *
grapheme = 3,
/// Whether any cells in this row have styling (may have false positives).
/// Output type: bool *
styled = 4,
/// Whether any cells in this row have hyperlinks (may have false positives).
/// Output type: bool *
hyperlink = 5,
/// The semantic prompt state of this row.
/// Output type: GhosttyRowSemanticPrompt *
semantic_prompt = 6,
/// Whether this row contains a Kitty virtual placeholder.
/// Output type: bool *
kitty_virtual_placeholder = 7,
/// Whether this row is dirty and requires a redraw.
/// Output type: bool *
dirty = 8,
/// Output type expected for querying the data of the given kind.
pub fn OutType(comptime self: RowData) type {
return switch (self) {
.invalid => void,
.wrap, .wrap_continuation, .grapheme, .styled, .hyperlink => bool,
.kitty_virtual_placeholder, .dirty => bool,
.semantic_prompt => SemanticPrompt,
};
}
};
pub fn get(
row_: CRow,
data: RowData,
out: ?*anyopaque,
) callconv(lib.calling_conv) Result {
if (comptime std.debug.runtime_safety) {
_ = std.meta.intToEnum(RowData, @intFromEnum(data)) catch {
return .invalid_value;
};
}
return switch (data) {
.invalid => .invalid_value,
inline else => |comptime_data| getTyped(
row_,
comptime_data,
@ptrCast(@alignCast(out)),
),
};
}
fn getTyped(
row_: CRow,
comptime data: RowData,
out: *data.OutType(),
) Result {
const row: Row = @bitCast(row_);
switch (data) {
.invalid => return .invalid_value,
.wrap => out.* = row.wrap,
.wrap_continuation => out.* = row.wrap_continuation,
.grapheme => out.* = row.grapheme,
.styled => out.* = row.styled,
.hyperlink => out.* = row.hyperlink,
.semantic_prompt => out.* = @enumFromInt(@intFromEnum(row.semantic_prompt)),
.kitty_virtual_placeholder => out.* = row.kitty_virtual_placeholder,
.dirty => out.* = row.dirty,
}
return .success;
}
test "get wrap" {
var zig_row: Row = @bitCast(@as(u64, 0));
zig_row.wrap = true;
const row: CRow = @bitCast(zig_row);
var wrap: bool = false;
try testing.expectEqual(Result.success, get(row, .wrap, @ptrCast(&wrap)));
try testing.expect(wrap);
}
test "get semantic_prompt" {
var zig_row: Row = @bitCast(@as(u64, 0));
zig_row.semantic_prompt = .prompt;
const row: CRow = @bitCast(zig_row);
var sp: SemanticPrompt = .none;
try testing.expectEqual(Result.success, get(row, .semantic_prompt, @ptrCast(&sp)));
try testing.expectEqual(SemanticPrompt.prompt, sp);
}
test "get dirty" {
var zig_row: Row = @bitCast(@as(u64, 0));
zig_row.dirty = true;
const row: CRow = @bitCast(zig_row);
var dirty: bool = false;
try testing.expectEqual(Result.success, get(row, .dirty, @ptrCast(&dirty)));
try testing.expect(dirty);
}
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