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https://github.com/RGBCube/serenity
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ddbf20ecf6
This is a little bit messy but the basic idea is: Syntax::Highlighter now has a Syntax::HighlighterClient to talk to the outside world. It mostly communicates in LibGUI primitives that are available in headers, so inlineable. GUI::TextEditor inherits from Syntax::HighlighterClient. This let us to move GUI::JSSyntaxHighlighter to JS::SyntaxHighlighter and remove LibGUI's dependency on LibJS.
79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "CellSyntaxHighlighter.h"
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#include <LibGUI/TextEditor.h>
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#include <LibGfx/Palette.h>
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#include <LibJS/Lexer.h>
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namespace Spreadsheet {
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void CellSyntaxHighlighter::rehighlight(Gfx::Palette palette)
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{
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auto text = m_client->get_text();
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m_client->spans().clear();
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if (!text.starts_with('=')) {
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m_client->do_update();
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return;
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}
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JS::SyntaxHighlighter::rehighlight(palette);
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// Highlight the '='
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m_client->spans().empend(
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GUI::TextRange { { 0, 0 }, { 0, 1 } },
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Gfx::TextAttributes {
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palette.syntax_keyword(),
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Optional<Color> {},
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false,
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false,
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},
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nullptr,
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false);
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if (m_cell && m_cell->exception()) {
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auto range = m_cell->exception()->source_ranges().first();
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GUI::TextRange text_range { { range.start.line - 1, range.start.column }, { range.end.line - 1, range.end.column - 1 } };
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m_client->spans().prepend(
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GUI::TextDocumentSpan {
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text_range,
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Gfx::TextAttributes {
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Color::Black,
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Color::Red,
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false,
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false,
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},
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nullptr,
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false });
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}
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m_client->do_update();
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}
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CellSyntaxHighlighter::~CellSyntaxHighlighter()
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{
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}
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}
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