From fcef1c2e2ca5050f5198ce03a439b791cd4daf1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mart=C3=ADn=20Lucas=20Golini?= <spartanj@gmail.com>
Date: Fri, 3 Jul 2026 12:45:33 -0300
Subject: [PATCH] Syntax highlighting support for Gemini documents
 (SpartanJ/ecode#917).

---
 .../src/eepp/ui/doc/languages/gemini.cpp      | 91 +++++++++++++++++++
 .../src/eepp/ui/doc/languages/gemini.hpp      | 11 +++
 .../ui/doc/languagessyntaxhighlighting.cpp    |  4 +
 3 files changed, 106 insertions(+)
 create mode 100644 src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.cpp
 create mode 100644 src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.hpp

diff --git a/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.cpp b/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.cpp
new file mode 100644
index 000000000..19b6baaf6
--- /dev/null
+++ b/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.cpp
@@ -0,0 +1,91 @@
+#include <eepp/ui/doc/languages/gemini.hpp>
+#include <eepp/ui/doc/syntaxdefinitionmanager.hpp>
+
+namespace EE { namespace UI { namespace Doc { namespace Language {
+
+SyntaxDefinition& addGemini() {
+
+	return SyntaxDefinitionManager::instance()
+		->add(
+
+			{ "Gemini",
+			  { "%.gmi$" },
+			  {
+				  { { "include", "#headings" }, "normal", "", SyntaxPatternMatchType::LuaPattern },
+				  { { "include", "#links" }, "normal", "", SyntaxPatternMatchType::LuaPattern },
+				  { { "include", "#quote" }, "normal", "", SyntaxPatternMatchType::LuaPattern },
+				  { { "include", "#raw" }, "normal", "", SyntaxPatternMatchType::LuaPattern },
+				  { { "include", "#unorderedLists" },
+					"normal",
+					"",
+					SyntaxPatternMatchType::LuaPattern },
+
+			  },
+			  {
+
+			  },
+			  "",
+			  {}
+
+			} )
+		.addRepositories( {
+
+			{ "unorderedLists",
+			  {
+				  { { "^(\\*)[ \t]+.+\n" },
+					{ "normal", "operator" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+
+			  } },
+			{ "raw",
+			  {
+				  { { "^```.*\n", "^```.*\n" },
+					{ "normal" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+
+			  } },
+			{ "quote",
+			  {
+				  { { "^(>).*$" },
+					{ "string", "operator" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+
+			  } },
+			{ "links",
+			  {
+				  { { "^=>[ \t]+([^ \t]+)(?:[ \t]+(.*))?" },
+					{ "normal", "link", "string" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+
+			  } },
+			{ "headings",
+			  {
+				  { { "^(#)(?:[^#].*)?\n" },
+					{ "keyword", "operator" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+				  { { "^(##)(?:[^#].*)?\n" },
+					{ "keyword", "operator" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+				  { { "^(###)(?:[^#].*)?\n" },
+					{ "keyword", "operator" },
+					{},
+					"",
+					SyntaxPatternMatchType::RegEx },
+
+			  } },
+		} );
+}
+
+}}}} // namespace EE::UI::Doc::Language
diff --git a/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.hpp b/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.hpp
new file mode 100644
index 000000000..ded1aeeea
--- /dev/null
+++ b/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languages/gemini.hpp
@@ -0,0 +1,11 @@
+#ifndef EE_UI_DOC_Gemini
+#define EE_UI_DOC_Gemini
+#include <eepp/ui/doc/syntaxdefinition.hpp>
+
+namespace EE { namespace UI { namespace Doc { namespace Language {
+
+extern SyntaxDefinition& addGemini();
+
+}}}} // namespace EE::UI::Doc::Language
+
+#endif
diff --git a/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languagessyntaxhighlighting.cpp b/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languagessyntaxhighlighting.cpp
index 293f2f6a6..61cfb8b12 100644
--- a/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languagessyntaxhighlighting.cpp
+++ b/src/modules/languages-syntax-highlighting/src/eepp/ui/doc/languagessyntaxhighlighting.cpp
@@ -38,6 +38,7 @@
 #include <eepp/ui/doc/languages/freebasic.hpp>
 #include <eepp/ui/doc/languages/fstab.hpp>
 #include <eepp/ui/doc/languages/gdscript.hpp>
+#include <eepp/ui/doc/languages/gemini.hpp>
 #include <eepp/ui/doc/languages/gleam.hpp>
 #include <eepp/ui/doc/languages/glsl.hpp>
 #include <eepp/ui/doc/languages/gn.hpp>
@@ -359,6 +360,9 @@ static void preDefinitionLangsChunk1( SyntaxDefinitionManager* sdm ) {
 		{ "%.gd$" },
 	} );
 
+	sdm->addPreDefinition(
+		{ "Gemini", []() -> SyntaxDefinition& { return addGemini(); }, { "%.gmi$" } } );
+
 	sdm->addPreDefinition(
 		{ "Gleam", []() -> SyntaxDefinition& { return addGleam(); }, { "%.gleam$" } } );