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std.Progress: truncate trailing newline

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This commit is contained in:
Andrew Kelley 2024-05-23 11:10:41 -07:00
parent 67e08e7b3c
commit ed36470af1
1 changed files with 15 additions and 19 deletions
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34
lib/std/Progress.zig
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@ -367,12 +367,23 @@ fn clearTerminal() void {
buf[i..][0..start_sync.len].* = start_sync.*;
i += start_sync.len;
i = computeClear(buf, i);
buf[i..][0..finish_sync.len].* = finish_sync.*;
i += finish_sync.len;
write(buf[0..i]);
}
fn computeClear(buf: []u8, start_i: usize) usize {
var i = start_i;
const prev_nl_n = global_progress.newline_count;
if (prev_nl_n > 0) {
global_progress.newline_count = 0;
buf[i] = '\r';
i += 1;
for (0..prev_nl_n) |_| {
for (1..prev_nl_n) |_| {
buf[i..][0..up_one_line.len].* = up_one_line.*;
i += up_one_line.len;
}
@ -381,10 +392,7 @@ fn clearTerminal() void {
buf[i..][0..clear.len].* = clear.*;
i += clear.len;
buf[i..][0..finish_sync.len].* = finish_sync.*;
i += finish_sync.len;
write(buf[0..i]);
return i;
}
const Children = struct {
@ -467,25 +475,13 @@ fn computeRedraw() []u8 {
buf[i..][0..start_sync.len].* = start_sync.*;
i += start_sync.len;
const prev_nl_n = global_progress.newline_count;
if (prev_nl_n > 0) {
global_progress.newline_count = 0;
buf[i] = '\r';
i += 1;
for (0..prev_nl_n) |_| {
buf[i..][0..up_one_line.len].* = up_one_line.*;
i += up_one_line.len;
}
}
buf[i..][0..clear.len].* = clear.*;
i += clear.len;
i = computeClear(buf, i);
const root_node_index: Node.Index = @enumFromInt(0);
i = computeNode(buf, i, serialized_node_storage, serialized_node_parents, children, root_node_index);
// Truncate trailing newline.
//if (buf[i - 1] == '\n') i -= 1;
if (buf[i - 1] == '\n') i -= 1;
buf[i..][0..finish_sync.len].* = finish_sync.*;
i += finish_sync.len;