From 6310f6569c2630f27ad72dc0a5fef9f9fec5a88c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Wed, 22 Jul 2015 09:01:04 +0200
Subject: GH-1053 move guessLevel to instances

---
 logic/minecraft/MinecraftInstance.cpp | 40 +++++++++++++++++++++++++++++++++++
 logic/minecraft/MinecraftInstance.h   |  3 +++
 2 files changed, 43 insertions(+)

(limited to 'logic/minecraft')

diff --git a/logic/minecraft/MinecraftInstance.cpp b/logic/minecraft/MinecraftInstance.cpp
index a078c8fd..13e696b9 100644
--- a/logic/minecraft/MinecraftInstance.cpp
+++ b/logic/minecraft/MinecraftInstance.cpp
@@ -204,4 +204,44 @@ QProcessEnvironment MinecraftInstance::createEnvironment()
 	return env;
 }
 
+MessageLevel::Enum MinecraftInstance::guessLevel(const QString &line, MessageLevel::Enum level)
+{
+	QRegularExpression re("\\[(?<timestamp>[0-9:]+)\\] \\[[^/]+/(?<level>[^\\]]+)\\]");
+	auto match = re.match(line);
+	if(match.hasMatch())
+	{
+		// New style logs from log4j
+		QString timestamp = match.captured("timestamp");
+		QString levelStr = match.captured("level");
+		if(levelStr == "INFO")
+			level = MessageLevel::Message;
+		if(levelStr == "WARN")
+			level = MessageLevel::Warning;
+		if(levelStr == "ERROR")
+			level = MessageLevel::Error;
+		if(levelStr == "FATAL")
+			level = MessageLevel::Fatal;
+		if(levelStr == "TRACE" || levelStr == "DEBUG")
+			level = MessageLevel::Debug;
+	}
+	else
+	{
+		// Old style forge logs
+		if (line.contains("[INFO]") || line.contains("[CONFIG]") || line.contains("[FINE]") ||
+			line.contains("[FINER]") || line.contains("[FINEST]"))
+			level = MessageLevel::Message;
+		if (line.contains("[SEVERE]") || line.contains("[STDERR]"))
+			level = MessageLevel::Error;
+		if (line.contains("[WARNING]"))
+			level = MessageLevel::Warning;
+		if (line.contains("[DEBUG]"))
+			level = MessageLevel::Debug;
+	}
+	if (line.contains("overwriting existing"))
+		return MessageLevel::Fatal;
+	if (line.contains("Exception in thread") || line.contains(QRegularExpression("\\s+at ")))
+		return MessageLevel::Error;
+	return level;
+}
+
 #include "MinecraftInstance.moc"
diff --git a/logic/minecraft/MinecraftInstance.h b/logic/minecraft/MinecraftInstance.h
index 45589daf..7ed659a7 100644
--- a/logic/minecraft/MinecraftInstance.h
+++ b/logic/minecraft/MinecraftInstance.h
@@ -40,6 +40,9 @@ public:
 
 	/// create an environment for launching processes
 	virtual QProcessEnvironment createEnvironment() override;
+
+	/// guess log level from a line of minecraft log
+	virtual MessageLevel::Enum guessLevel(const QString &line, MessageLevel::Enum level);
 };
 
 typedef std::shared_ptr<MinecraftInstance> MinecraftInstancePtr;
-- 
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