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/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma warning disable 1591
using System;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Diagnostics.Contracts;
namespace Eina
{
// Manual wrappers around eina functions
/// <summary>EFL Logging facilities.
/// <para>Since EFL 1.23.</para>
/// </summary>
public static class Log
{
[DllImport(efl.Libs.Eina)] private static extern void eina_log_print(
int domain,
Level level,
[MarshalAs(UnmanagedType.LPStr)] String file,
[MarshalAs(UnmanagedType.LPStr)] String function,
int line,
[MarshalAs(UnmanagedType.LPStr)] String message);
[DllImport(efl.Libs.Eina)] private static extern int eina_log_domain_register(
[MarshalAs(UnmanagedType.LPStr)] String name,
[MarshalAs(UnmanagedType.LPStr)] String color);
[DllImport(efl.Libs.Eina)] private static extern void eina_log_level_set(Level level);
[DllImport(efl.Libs.Eina)] private static extern Level eina_log_level_get();
/// <summary>The levels of logging.
/// <para>Since EFL 1.23.</para>
/// </summary>
public enum Level
{
/// <summary>Critical events.
/// <para>Since EFL 1.23.</para>
/// </summary>
Critical,
/// <summary>Error events.
/// <para>Since EFL 1.23.</para>
/// </summary>
Error,
/// <summary>Warning events.
/// <para>Since EFL 1.23.</para>
/// </summary>
Warning,
/// <summary>Informative events.
/// <para>Since EFL 1.23.</para>
/// </summary>
Info,
/// <summary>Debugging messages.
/// <para>Since EFL 1.23.</para>
/// </summary>
Debug,
/// <summary>Unknown events.
/// <para>Since EFL 1.23.</para>
/// </summary>
Unkown = (-2147483647 - 1)
}
/// <summary>The colors to be used by the logging system.
/// <para>Since EFL 1.23.</para>
/// </summary>
internal static class Color
{
/// <summary>Light red
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string LIGHTRED = "\033[31;1m";
/// <summary>Red
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string RED = "\033[31m";
/// <summary>Light blue
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string LIGHTBLUE = "\033[34;1m";
/// <summary>Blue
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string BLUE = "\033[34m";
/// <summary>Green
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string GREEN = "\033[32;1m";
/// <summary>Yellow
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string YELLOW = "\033[33;1m";
/// <summary>Orange
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string ORANGE = "\033[0;33m";
/// <summary>White
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string WHITE = "\033[37;1m";
/// <summary>Light cyan
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string LIGHTCYAN = "\033[36;1m";
/// <summary>Cyan
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string CYAN = "\033[36m";
/// <summary>Reset
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string RESET = "\033[0m";
/// <summary>Bold
/// <para>Since EFL 1.23.</para>
/// </summary>
public const string HIGH = "\033[1m";
}
private static int domain = -1;
/// <summary>Static class initializer.
/// <para>Since EFL 1.23.</para>
/// </summary>
static Log()
{
const String name = "mono";
const String color = Color.GREEN;
// Maybe move this check outside when other eina stuff get support?
domain = eina_log_domain_register(name, color);
if (domain < 0)
{
Console.WriteLine("Error: Couldn't register Eina log domain for name {0}.", name);
}
else
{
Info($"Registered mono domain with number {domain}");
}
}
private static void EnsureDomainRegistered()
{
if (domain < 0)
{
throw new InvalidOperationException("Log domain is not registered.");
}
}
/// <summary>Prints a critical message with context info. This context is
/// filled automatically by the C# compiler.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <param name="message">The message to be printed.</param>
/// <param name="line">The line number this method was called from.</param>
/// <param name="file">The file this method was called from.</param>
/// <param name="member">The enlosing method this method was called from.</param>
public static void Critical(String message, [CallerLineNumber] int line = 0, [CallerFilePath] string file = null, [CallerMemberName] string member = null)
{
EnsureDomainRegistered();
eina_log_print(domain, Level.Critical, file, member, line, message);
}
/// <summary>Prints an error message with context info. This context is
/// filled automatically by the C# compiler.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <param name="message">The message to be printed.</param>
/// <param name="line">The line number this method was called from.</param>
/// <param name="file">The file this method was called from.</param>
/// <param name="member">The enlosing method this method was called from.</param>
public static void Error(String message, [CallerLineNumber] int line = 0, [CallerFilePath] string file = null, [CallerMemberName] string member = null)
{
EnsureDomainRegistered();
eina_log_print(domain, Level.Error, file, member, line, message);
}
/// <summary>Prints a warning message with context info. This context is
/// filled automatically by the C# compiler.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <param name="message">The message to be printed.</param>
/// <param name="line">The line number this method was called from.</param>
/// <param name="file">The file this method was called from.</param>
/// <param name="member">The enlosing method this method was called from.</param>
public static void Warning(String message, [CallerLineNumber] int line = 0, [CallerFilePath] string file = null, [CallerMemberName] string member = null)
{
EnsureDomainRegistered();
eina_log_print(domain, Level.Warning, file, member, line, message);
}
/// <summary>Prints an informative message with context info. This context
/// is filled automatically by the C# compiler.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <param name="message">The message to be printed.</param>
/// <param name="line">The line number this method was called from.</param>
/// <param name="file">The file this method was called from.</param>
/// <param name="member">The enlosing method this method was called from.</param>
public static void Info(String message, [CallerLineNumber] int line = 0, [CallerFilePath] string file = null, [CallerMemberName] string member = null)
{
EnsureDomainRegistered();
eina_log_print(domain, Level.Info, file, member, line, message);
}
/// <summary>Prints a debug message with context info. This context is
/// filled automatically by the C# compiler.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <param name="message">The message to be printed.</param>
/// <param name="line">The line number this method was called from.</param>
/// <param name="file">The file this method was called from.</param>
/// <param name="member">The enlosing method this method was called from.</param>
public static void Debug(String message, [CallerLineNumber] int line = 0, [CallerFilePath] string file = null, [CallerMemberName] string member = null)
{
EnsureDomainRegistered();
eina_log_print(domain, Level.Debug, file, member, line, message);
}
/// <summary>Sets the highest level log messages should be printed. Values
/// larger than this one are ignored.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <param name="level">The global message level.</param>
public static void GlobalLevelSet(Level level)
{
eina_log_level_set(level);
}
/// <summary>Gets the lowest level of messages that are not ignored.
/// <para>Since EFL 1.23.</para>
/// </summary>
/// <returns>The current message level.</returns>
public static Level GlobalLevelGet()
{
return eina_log_level_get();
}
}
}
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