1.add log manager for project

2.add home dir for visual log

Author: logic-wei

VisualLog.pro

@@ -33,7 +33,8 @@ SOURCES += \
     logviewer/logviewport.cpp \
     highlighter/logfilter.cpp \
     highlighter/jsonhighlighter.cpp \
-    highlighter/jsontextedit.cpp
+    highlighter/jsontextedit.cpp \
+    utils/logutil.cpp
 
 HEADERS += \
         mainwindow.h \
@@ -44,7 +45,8 @@ HEADERS += \
     logviewer/logviewport.h \
     highlighter/logfilter.h \
     highlighter/jsonhighlighter.h \
-    highlighter/jsontextedit.h
+    highlighter/jsontextedit.h \
+    utils/logutil.h
 
 FORMS +=
 

main.cpp

@@ -1,10 +1,34 @@
 #include "mainwindow.h"
 #include <QApplication>
+#include <QDir>
+#include <QString>
+#include <utils/logutil.h>
 
+const QString TAG = "main";
+
+
+void checkHomePath()
+{
+    LogUtil::i(TAG, "init working directory");
+    QDir wd = QDir::home();
+
+    if (!wd.exists(".VisualLog")) {
+        if (wd.mkdir(".VisualLog"))
+            wd.cd(".VisualLog");
+    } else {
+        wd.cd(".VisualLog");
+    }
+
+    if (QDir::setCurrent(wd.path())) {
+        LogUtil::i(TAG, "cd to dir:"+wd.path());
+    }
+}
 
 int main(int argc, char *argv[])
 {
+    checkHomePath();
     QApplication a(argc, argv);
+
     MainWindow w;
     w.show();
 

utils/logutil.cpp

@@ -0,0 +1,26 @@
+#include "logutil.h"
+
+LogUtil::LogUtil()
+{
+}
+
+void LogUtil::i(const QString &tag, const QString &msg)
+{
+    if (sDebug && !tag.isNull()) {
+        qInfo()<<qPrintable(QString("[%1]: %2").arg(tag).arg(msg));
+    }
+}
+
+void LogUtil::d(const QString &tag, const QString &msg)
+{
+    if (sDebug && !tag.isNull()) {
+        qDebug()<<qPrintable(QString("[%1]: %2").arg(tag).arg(msg));
+    }
+}
+
+void LogUtil::e(const QString &tag, const QString &msg)
+{
+    if (sDebug && !tag.isNull()) {
+        qWarning()<<qPrintable(QString("[%1]: %2").arg(tag).arg(msg));
+    }
+}

utils/logutil.h

@@ -0,0 +1,22 @@
+#ifndef LOGUTIL_H
+#define LOGUTIL_H
+
+#include <QDebug>
+#include <QString>
+
+
+class LogUtil
+{
+public:
+    static void i(const QString &tag, const QString &msg);
+    static void d(const QString &tag, const QString &msg);
+    static void e(const QString &tag, const QString &msg);
+
+private:
+    LogUtil();
+
+private:
+    static const bool sDebug = true;
+};
+
+#endif // LOGUTIL_H