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/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/INILexer.h>
#include <LibGUI/INISyntaxHighlighter.h>
#include <LibGUI/TextEditor.h>
#include <LibGfx/Font.h>
#include <LibGfx/Palette.h>
namespace GUI {
static Syntax::TextStyle style_for_token_type(const Gfx::Palette& palette, IniToken::Type type)
{
switch (type) {
case IniToken::Type::LeftBracket:
case IniToken::Type::RightBracket:
case IniToken::Type::section:
return { palette.syntax_keyword(), true };
case IniToken::Type::Name:
return { palette.syntax_identifier() };
case IniToken::Type::Value:
return { palette.syntax_string() };
case IniToken::Type::Comment:
return { palette.syntax_comment() };
case IniToken::Type::Equal:
return { palette.syntax_operator(), true };
default:
return { palette.base_text() };
}
}
bool IniSyntaxHighlighter::is_identifier(void* token) const
{
auto ini_token = static_cast<GUI::IniToken::Type>(reinterpret_cast<size_t>(token));
return ini_token == GUI::IniToken::Type::Name;
}
void IniSyntaxHighlighter::rehighlight(const Palette& palette)
{
auto text = m_client->get_text();
IniLexer 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 = token.m_type == IniToken::Type::Whitespace;
span.data = reinterpret_cast<void*>(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<IniSyntaxHighlighter::MatchingTokenPair> IniSyntaxHighlighter::matching_token_pairs() const
{
static Vector<MatchingTokenPair> pairs;
if (pairs.is_empty()) {
pairs.append({ reinterpret_cast<void*>(IniToken::Type::LeftBracket), reinterpret_cast<void*>(IniToken::Type::RightBracket) });
}
return pairs;
}
bool IniSyntaxHighlighter::token_types_equal(void* token1, void* token2) const
{
return static_cast<GUI::IniToken::Type>(reinterpret_cast<size_t>(token1)) == static_cast<GUI::IniToken::Type>(reinterpret_cast<size_t>(token2));
}
IniSyntaxHighlighter::~IniSyntaxHighlighter()
{
}
}
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