From e903e47cb0aada785e758264168d99bc4d0ad029 Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Fri, 5 Feb 2016 11:38:45 +0100
Subject: Set debug output

---
 common/log.cpp                        | 23 ++++++++++++++++++++---
 common/log.h                          |  9 +++++++++
 sinksh/syntax_modules/core_syntax.cpp | 15 +++++++++++++++
 3 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/common/log.cpp b/common/log.cpp
index 0f011b1..ee28a3b 100644
--- a/common/log.cpp
+++ b/common/log.cpp
@@ -152,6 +152,11 @@ void Sink::Log::setAreas(const QByteArrayList &filter)
     qputenv("SINKDEBUGAREAS", filter.join(','));
 }
 
+void Sink::Log::setDebugOutput(const QByteArrayList &output)
+{
+    qputenv("SINKDEBUGOUTPUT", output.join(','));
+}
+
 static QByteArray getProgramName()
 {
     if (QCoreApplication::instance()) {
@@ -171,6 +176,16 @@ static bool containsItemStartingWith(const QByteArray &pattern, const QByteArray
     return false;
 }
 
+static bool caseInsensitiveContains(const QByteArray &pattern, const QByteArrayList &list)
+{
+    for (const auto &item : list) {
+        if (item.toLower() == pattern) {
+            return true;
+        }
+    }
+    return false;
+}
+
 QDebug Sink::Log::debugStream(DebugLevel debugLevel, int line, const char* file, const char* function, const char* debugArea)
 {
     static NullStream nullstream;
@@ -214,9 +229,11 @@ QDebug Sink::Log::debugStream(DebugLevel debugLevel, int line, const char* file,
             break;
     };
 
-    bool showLocation = false;
-    bool showFunction = false;
-    bool showProgram = false;
+    auto debugOutput = qgetenv("SINKDEBUGOUTPUT").split(',');
+
+    bool showLocation = debugOutput.isEmpty() ? false : caseInsensitiveContains("location", debugOutput);
+    bool showFunction = debugOutput.isEmpty() ? false : caseInsensitiveContains("function", debugOutput);
+    bool showProgram = debugOutput.isEmpty() ? false : caseInsensitiveContains("application", debugOutput);
     bool useColor = true;
     bool multiline = false;
 
diff --git a/common/log.h b/common/log.h
index c643f84..8a6c295 100644
--- a/common/log.h
+++ b/common/log.h
@@ -34,6 +34,15 @@ void SINKCOMMON_EXPORT setAreas(const QByteArrayList &areas);
  */
 void SINKCOMMON_EXPORT setFilter(const QByteArrayList &filter);
 
+/**
+ * Set an application debug output.
+ *
+ * Currently supported are:
+ * * Name: Application name used for filter.
+ * * Function: The function name:
+ * * Location: The source code location.
+ */
+void SINKCOMMON_EXPORT setDebugOutput(const QByteArrayList &filter);
 
 QDebug SINKCOMMON_EXPORT debugStream(DebugLevel debugLevel, int line, const char* file, const char* function, const char* debugArea = 0);
 
diff --git a/sinksh/syntax_modules/core_syntax.cpp b/sinksh/syntax_modules/core_syntax.cpp
index 9325a7e..cb036b4 100644
--- a/sinksh/syntax_modules/core_syntax.cpp
+++ b/sinksh/syntax_modules/core_syntax.cpp
@@ -196,6 +196,17 @@ bool setLoggingFilter(const QStringList &commands, State &state)
     return true;
 }
 
+bool setLoggingOutput(const QStringList &commands, State &state)
+{
+    QByteArrayList output;
+    for (const auto &c : commands) {
+        output << c.toLatin1();
+    }
+
+    Sink::Log::setDebugOutput(output);
+    return true;
+}
+
 Syntax::List syntax()
 {
     Syntax::List syntax;
@@ -225,6 +236,10 @@ Syntax::List syntax()
     Syntax loggingFilter("loggingFilter", QObject::tr("Set logging filter."), &CoreSyntax::setLoggingFilter);
     set.children << loggingFilter;
 
+    Syntax loggingOutput("loggingOutput", QObject::tr("Set logging output."), &CoreSyntax::setLoggingFilter);
+    loggingOutput.completer = [](const QStringList &, const QString &fragment, State &state) -> QStringList { return Utils::filteredCompletions(QStringList() << "name" << "function" << "location" << "", fragment, Qt::CaseInsensitive); };
+    set.children << loggingOutput;
+
     syntax << set;
 
     Syntax get("get", QObject::tr("Gets settings for the session"));
-- 
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