1 files changed, 106 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGUI/INISyntaxHighlighter.cpp b/Userland/Libraries/LibGUI/INISyntaxHighlighter.cpp
new file mode 100644
index 0000000000..3b798ea1dd
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+++ b/Userland/Libraries/LibGUI/INISyntaxHighlighter.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <LibGUI/INILexer.h>
+#include <LibGUI/INISyntaxHighlighter.h>
+#include <LibGUI/TextEditor.h>
+#include <LibGfx/Font.h>
+#include <LibGfx/Palette.h>
+
+namespace GUI {
+
+static TextStyle style_for_token_type(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(Gfx::Palette palette)
+{
+    ASSERT(m_editor);
+    auto text = m_editor->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_editor->document().set_spans(spans);
+
+    m_has_brace_buddies = false;
+    highlight_matching_token_pair();
+
+    m_editor->update();
+}
+
+Vector<IniSyntaxHighlighter::MatchingTokenPair> IniSyntaxHighlighter::matching_token_pairs() const
+{
+    static Vector<SyntaxHighlighter::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()
+{
+}
+
+}