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feat: add cli option to show used theme

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This commit is contained in:
CJ van den Berg 2025-04-25 09:46:10 +02:00
parent 4afe325669
commit 8f66e855ed
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
1 changed files with 25 additions and 3 deletions
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28
src/main.zig
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@ -25,6 +25,7 @@ pub fn main() !void {
\\-t, --theme <name> Select theme to use.
\\-d, --default <name> Set the language to use if guessing failed (default: conf).
\\-s, --show-language Show detected language in output.
\\-T, --show-theme Show selected theme in output.
\\-C, --color Always produce color output, even if stdout is not a tty.
\\--html Output HTML instead of ansi escape codes.
\\--list-themes Show available themes.
@ -77,7 +78,7 @@ pub fn main() !void {
if (res.args.color == 0 and !stdout_file.supportsAnsiEscapeCodes())
return plain_cat(res.positionals[0]);
const conf, const conf_bufs = config_loader.read_config(a);
const conf, const conf_bufs = config_loader.read_config(@import("config.zig"), a);
defer config_loader.free_config(a, conf_bufs);
const theme_name = if (res.args.theme) |theme| theme else conf.theme;
const limit_lines = res.args.limit;
@ -127,6 +128,7 @@ pub fn main() !void {
arg,
&theme,
res.args.@"show-language" != 0,
res.args.@"show-theme" != 0,
set_style,
unset_style,
highlight_line_start,
@ -148,6 +150,7 @@ pub fn main() !void {
"-",
&theme,
res.args.@"show-language" != 0,
res.args.@"show-theme" != 0,
set_style,
unset_style,
highlight_line_start,
@ -183,7 +186,8 @@ fn render_file(
content: []const u8,
file_path: []const u8,
theme: *const Theme,
show: bool,
show_file_type: bool,
show_theme: bool,
set_style: StyleFn,
unset_style: StyleFn,
highlight_line_start: usize,
@ -208,10 +212,14 @@ fn render_file(
const query_cache = try syntax.QueryCache.create(a, .{});
const parser = get_parser(a, content, file_path, query_cache);
try parser.refresh_full(content);
if (show) {
if (show_file_type) {
try render_file_type(writer, parser.file_type, theme);
end_line -= 1;
}
if (show_theme) {
try render_theme_indicator(writer, theme);
end_line -= 1;
}
const Ctx = struct {
writer: @TypeOf(writer),
@ -493,6 +501,20 @@ fn render_file_type(writer: Writer, file_type: *const syntax.FileType, theme: *c
try writer.writeAll("\n");
}
fn render_theme_indicator(writer: Writer, theme: *const Theme) !void {
const style = Theme.Style{ .bg = theme.editor_selection.bg, .fg = theme.editor.fg };
const reversed = Theme.Style{ .fg = theme.editor_selection.bg };
const plain: Theme.Style = Theme.Style{ .fg = theme.editor.fg };
try set_ansi_style(writer, reversed);
try writer.writeAll("");
try set_ansi_style(writer, style);
try writer.writeAll(theme.name);
try set_ansi_style(writer, reversed);
try writer.writeAll("");
try set_ansi_style(writer, plain);
try writer.writeAll("\n");
}
fn plain_cat(files: []const []const u8) !void {
const stdout = std.io.getStdOut();
if (files.len == 0) {