54 lines
1.8 KiB
C#
54 lines
1.8 KiB
C#
using System;
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using System.Runtime.InteropServices;
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namespace Eina
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{
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/// <summary>
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/// Class to deal with native Environment variables.
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///
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/// <para>To be used in place of <see cref="System.Environment" /> methods when
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/// accessing the native environment directly.</para>
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/// <para>Since EFL 1.24.</para>
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/// </summary>
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internal static class Environment
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{
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/// <summary>
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/// Returns the value of the environment variable named <c>name</c>.
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///
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/// <para>Since EFL 1.24.</para>
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/// </summary>
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/// <param name="name">The name of the variable to be retrieved</param>
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/// <returns>The value of the variable. <c>null</c> if not set.</returns>
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public static string GetEnv(string name)
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{
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return Eina.NativeCustomExportFunctions.efl_mono_native_getenv(name);
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}
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/// <summary>
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/// Sets a native environment variable.
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///
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/// <para>Since EFL 1.24.</para>
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/// </summary>
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/// <param name="name">The name of the variable</param>
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/// <param name="value">The value to be set.</param>
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/// <param name="overwrite"><c>true</c> if an existing variable must be overwritten.</param>
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public static void SetEnv(string name, string value, bool overwrite=true)
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{
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Eina.Error error = Eina.NativeCustomExportFunctions.efl_mono_native_setenv(name, value, overwrite ? 1 : 0);
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Eina.Error.Raise(error);
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}
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}
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internal static partial class NativeCustomExportFunctions
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{
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[DllImport(efl.Libs.CustomExports, CharSet=CharSet.Ansi)]
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[return: MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Efl.Eo.StringKeepOwnershipMarshaler))]
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public static extern string efl_mono_native_getenv(string name);
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[DllImport(efl.Libs.CustomExports, CharSet=CharSet.Ansi)]
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public static extern Eina.Error efl_mono_native_setenv(string name, string value, int overwrite);
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}
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}
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