From a4d438b7f5780e865c824f6e7f892bb3f0ee2b61 Mon Sep 17 00:00:00 2001
From: Aaron Seigo <aseigo@kde.org>
Date: Wed, 23 Dec 2015 12:00:00 +0100
Subject: help now uses State to push out output

---
 akonadi2_cli/modules/core_syntax.cpp | 23 ++++++++++++-----------
 akonadi2_cli/state.cpp               | 16 +++++++++++-----
 akonadi2_cli/state.h                 |  6 +++---
 3 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/akonadi2_cli/modules/core_syntax.cpp b/akonadi2_cli/modules/core_syntax.cpp
index 8324c31..944abbe 100644
--- a/akonadi2_cli/modules/core_syntax.cpp
+++ b/akonadi2_cli/modules/core_syntax.cpp
@@ -40,44 +40,45 @@ bool exit(const QStringList &, State &)
     return true;
 }
 
-bool showHelp(const QStringList &commands, State &)
+bool showHelp(const QStringList &commands, State &state)
 {
     Module::Command command = Module::self()->match(commands);
-    QTextStream stream(stdout);
     if (commands.isEmpty()) {
-        stream << QObject::tr("Welcome to the Akonadi2 command line tool!") << "\n";
-        stream << QObject::tr("Top-level commands:") << "\n";
+        state.printLine(QObject::tr("Welcome to the Akonadi2 command line tool!"));
+        state.printLine(QObject::tr("Top-level commands:"));
+
         QSet<QString> sorted;
         for (auto syntax: Module::self()->syntax()) {
             sorted.insert(syntax.keyword);
         }
 
         for (auto keyword: sorted) {
-            stream << "\t" << keyword << "\n";
+            state.printLine(keyword, 1);
         }
     } else if (const Module::Syntax *syntax = command.first) {
         //TODO: get parent!
-        stream << QObject::tr("Command `%1`").arg(syntax->keyword);
+        state.print(QObject::tr("Command `%1`").arg(syntax->keyword));
 
         if (!syntax->help.isEmpty()) {
-            stream << ": " << syntax->help;
+            state.print(": " + syntax->help);
         }
-        stream << "\n";
+        state.printLine();
 
         if (!syntax->children.isEmpty()) {
-            stream << "\tSub-commands:\n";
+            state.printLine("Sub-commands:", 1);
             QSet<QString> sorted;
             for (auto childSyntax: syntax->children) {
                 sorted.insert(childSyntax.keyword);
             }
 
             for (auto keyword: sorted) {
-                stream << "\t" << keyword << "\n";
+                state.printLine(keyword, 1);
             }
         }
     } else {
-        stream << "Unknown command: " << commands.join(" ") << "\n";
+        state.printError("Unknown command: " + commands.join(" "));
     }
+
     return true;
 }
 
diff --git a/akonadi2_cli/state.cpp b/akonadi2_cli/state.cpp
index 80a2d3a..9beba7e 100644
--- a/akonadi2_cli/state.cpp
+++ b/akonadi2_cli/state.cpp
@@ -27,17 +27,23 @@ State::State()
 {
 }
 
-void State::print(const QString &message)
+void State::print(const QString &message, unsigned int indentationLevel)
 {
+    for (unsigned int i = 0; i < indentationLevel; ++i) {
+        m_outStream << "\t";
+    }
+
     m_outStream << message;
 }
 
-void State::printLine(const QString &message)
+void State::printLine(const QString &message, unsigned int indentationLevel)
 {
-    m_outStream << message << "\n";
+    print(message, indentationLevel);
+    m_outStream << "\n";
+    m_outStream.flush();
 }
 
-void State::printError(const QString &error, int code)
+void State::printError(const QString &errorMessage, const QString &errorCode)
 {
-    m_outStream << "ERROR " << code << ": " << error << "\n";
+    printLine("ERROR" + (errorCode.isEmpty() ? "" : " " + errorCode) + ": " + errorMessage);
 }
diff --git a/akonadi2_cli/state.h b/akonadi2_cli/state.h
index 4fd2935..a343e51 100644
--- a/akonadi2_cli/state.h
+++ b/akonadi2_cli/state.h
@@ -26,9 +26,9 @@ class State
 public:
     State();
 
-    void print(const QString &string);
-    void printLine(const QString &string);
-    void printError(const QString &string, int errorCode = 0);
+    void print(const QString &message, unsigned int indentationLevel = 0);
+    void printLine(const QString &message = QString(), unsigned int indentationLevel = 0);
+    void printError(const QString &errorMessage, const QString &errorCode = QString());
 
 private:
     QTextStream m_outStream;
-- 
cgit v1.2.3