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/*
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "SyntaxHighlighter.h"
#include <LibCMake/CMakeCache/Lexer.h>
namespace CMake::Cache {
static Gfx::TextAttributes style_for_token_type(Gfx::Palette const& palette, Token::Type type)
{
switch (type) {
case Token::Type::Comment:
case Token::Type::HelpText:
return { palette.syntax_comment() };
case Token::Type::Key:
return { palette.syntax_identifier() };
case Token::Type::Type:
return { palette.syntax_type() };
case Token::Type::Colon:
case Token::Type::Equals:
return { palette.syntax_punctuation() };
case Token::Type::Value:
return { palette.syntax_string() };
case Token::Type::Garbage:
return { palette.red(), {}, false, Gfx::TextAttributes::UnderlineStyle::Wavy, palette.red() };
default:
return { palette.base_text() };
}
}
bool SyntaxHighlighter::is_identifier(u64 token_type) const
{
auto cmake_token = static_cast<Token::Type>(token_type);
return cmake_token == Token::Type::Key;
}
void SyntaxHighlighter::rehighlight(Gfx::Palette const& palette)
{
auto text = m_client->get_text();
auto tokens = Lexer::lex(text).release_value_but_fixme_should_propagate_errors();
Vector<GUI::TextDocumentSpan> spans;
auto highlight_span = [&](Token::Type type, Position const& start, Position const& end) {
GUI::TextDocumentSpan span;
span.range.set_start({ start.line, start.column });
span.range.set_end({ end.line, end.column });
if (!span.range.is_valid())
return;
span.attributes = style_for_token_type(palette, type);
span.is_skippable = false;
span.data = static_cast<u64>(type);
spans.append(move(span));
};
for (auto const& token : tokens) {
highlight_span(token.type, token.start, token.end);
}
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> empty;
return empty;
}
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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