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/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "SyntaxHighlighter.h"
#include "Lexer.h"
#include <LibGfx/Palette.h>
namespace GUI::GML {
static Syntax::TextStyle style_for_token_type(const Gfx::Palette& palette, Token::Type type)
{
switch (type) {
case Token::Type::LeftCurly:
case Token::Type::RightCurly:
return { palette.syntax_punctuation() };
case Token::Type::ClassMarker:
return { palette.syntax_keyword() };
case Token::Type::ClassName:
return { palette.syntax_identifier(), true };
case Token::Type::Identifier:
return { palette.syntax_identifier() };
case Token::Type::JsonValue:
return { palette.syntax_string() };
case Token::Type::Comment:
return { palette.syntax_comment() };
default:
return { palette.base_text() };
}
}
bool SyntaxHighlighter::is_identifier(u64 token) const
{
auto ini_token = static_cast<Token::Type>(token);
return ini_token == Token::Type::Identifier;
}
void SyntaxHighlighter::rehighlight(const Palette& palette)
{
auto text = m_client->get_text();
Lexer lexer(text);
auto tokens = lexer.lex();
Vector<GUI::TextDocumentSpan> spans;
for (auto& token : tokens) {
GUI::TextDocumentSpan span;
span.range.set_start({ token.m_start.line, token.m_start.column });
span.range.set_end({ token.m_end.line, token.m_end.column });
auto style = style_for_token_type(palette, token.m_type);
span.attributes.color = style.color;
span.attributes.bold = style.bold;
span.is_skippable = false;
span.data = static_cast<u64>(token.m_type);
spans.append(span);
}
m_client->do_set_spans(move(spans));
m_has_brace_buddies = false;
highlight_matching_token_pair();
m_client->do_update();
}
Vector<SyntaxHighlighter::MatchingTokenPair> SyntaxHighlighter::matching_token_pairs_impl() const
{
static Vector<MatchingTokenPair> pairs;
if (pairs.is_empty()) {
pairs.append({ static_cast<u64>(Token::Type::LeftCurly), static_cast<u64>(Token::Type::RightCurly) });
}
return pairs;
}
bool SyntaxHighlighter::token_types_equal(u64 token1, u64 token2) const
{
return static_cast<Token::Type>(token1) == static_cast<Token::Type>(token2);
}
}
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