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std.Progress: support progress bar escape codes

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This commit is contained in:
Andrew Kelley 2025-07-23 17:49:03 -07:00
parent 869ef00602
commit 799206a3ad
1 changed files with 18 additions and 1 deletions
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19
lib/std/Progress.zig
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@ -678,6 +678,9 @@ const save = "\x1b7";
const restore = "\x1b8";
const finish_sync = "\x1b[?2026l";
const progress_remove = "\x1b]9;4;0\x07";
const progress_pulsing = "\x1b]9;4;3\x07";
const TreeSymbol = enum {
/// ├─
tee,
@ -760,7 +763,7 @@ fn clearWrittenWithEscapeCodes() anyerror!void {
if (noop_impl or !global_progress.need_clear) return;
global_progress.need_clear = false;
try write(clear);
try write(clear ++ progress_remove);
}
/// U+25BA or ►
@ -1203,6 +1206,20 @@ fn computeRedraw(serialized_buffer: *Serialized.Buffer) struct { []u8, usize } {
i, const nl_n = computeNode(buf, i, 0, serialized, children, root_node_index);
if (global_progress.terminal_mode == .ansi_escape_codes) {
{
// Set progress state https://conemu.github.io/en/AnsiEscapeCodes.html#ConEmu_specific_OSC
const storage = &serialized.storage[@intFromEnum(root_node_index)];
const estimated_total = storage.estimated_total_count;
const completed_items = storage.completed_count;
if (estimated_total == 0) {
buf[i..][0..progress_pulsing.len].* = progress_pulsing.*;
i += progress_pulsing.len;
} else {
const percent = completed_items * 100 / estimated_total;
i += (std.fmt.bufPrint(buf[i..], "\x1b]9;4;1;{d}\x07", .{percent}) catch &.{}).len;
}
}
if (nl_n > 0) {
buf[i] = '\r';
i += 1;