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LibChess: Add and use Square::{file,rank}_char() methods

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This saves us having to build and allocate a String, just to then use
one character of it.
This commit is contained in:
Sam Atkins 2023-04-24 12:29:31 +01:00 • committed by Andreas Kling
parent c73c697f94
commit 5f6dd87163
4 changed files with 35 additions and 13 deletions
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17
Userland/Libraries/LibChess/Chess.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -83,6 +84,16 @@ Square::Square(StringView name)
}
}
char Square::file_char() const
{
return file + 'a';
}
char Square::rank_char() const
{
return rank + '1';
}
DeprecatedString Square::to_algebraic() const
{
StringBuilder builder;
@ -200,16 +211,16 @@ DeprecatedString Move::to_algebraic() const
if (is_ambiguous) {
if (from.file != ambiguous.file)
builder.append(from.to_algebraic().substring(0, 1));
builder.append(from.file_char());
else if (from.rank != ambiguous.rank)
builder.append(from.to_algebraic().substring(1, 1));
builder.append(from.rank_char());
else
builder.append(from.to_algebraic());
}
if (is_capture) {
if (piece.type == Type::Pawn && !is_ambiguous)
builder.append(from.to_algebraic().substring(0, 1));
builder.append(from.file_char());
builder.append('x');
}