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/* valaversion.vala
*
* Copyright (C) 2018 Rico Tzschichholz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Rico Tzschichholz <ricotz@ubuntu.com>
*/
namespace Vala {
/**
* Like get_major_version, but from the headers used at application compile time,
* rather than from the library linked against at application run time
*/
public const int MAJOR_VERSION = @VALA_MAJOR_VERSION@;
/**
* Like get_minor_version, but from the headers used at application compile time,
* rather than from the library linked against at application run time
*/
public const int MINOR_VERSION = @VALA_MINOR_VERSION@;
/**
* Like get_micro_version, but from the headers used at application compile time,
* rather than from the library linked against at application run time
*/
public const int MICRO_VERSION = @VALA_MICRO_VERSION@;
/**
* The API version string
*/
public const string API_VERSION = "@API_VERSION@";
/**
* The full build-version string generated by the build-system
*/
public const string BUILD_VERSION = "@PACKAGE_VERSION@";
/**
* Returns the major version number of the vala library.
*
* This function is in the library, so it represents the GTK+
* library your code is running against.
*
* @return the major version number of the vala library
*/
public uint get_major_version () {
return MAJOR_VERSION;
}
/**
* Returns the minor version number of the vala library.
*
* This function is in the library, so it represents the vala
* library your code is are running against.
*
* @return the minor version number of the vala library
*/
public uint get_minor_version () {
return MINOR_VERSION;
}
/**
* Returns the micro version number of the vala library.
*
* This function is in the library, so it represents the vala
* library your code is running against.
*
* @return the micro version number of the vala library
*/
public uint get_micro_version () {
return MICRO_VERSION;
}
/**
* Returns the full build-version string of the vala library.
*
* This function is in the library, so it represents the vala
* library your code is running against.
*
* @return the full build-version string of the vala library
*/
public unowned string get_build_version () {
return BUILD_VERSION;
}
/**
* Checks that the vala library in use is compatible with the given version.
*
* This function is in the library, so it represents the vala
* library your code is running against.
*
* @param required_major the required major version
* @param required_minor the required minor version
* @param required_micro the required micro version
* @return null if the vala library is compatible with the given version,
* or a string describing the version mismatch.
*/
public unowned string? check_version (uint required_major, uint required_minor, uint required_micro)
{
uint effective_micro = 100 * MINOR_VERSION + MICRO_VERSION;
uint required_effective_micro = 100 * required_minor + required_micro;
if (required_major > MAJOR_VERSION)
return "vala version too old (major mismatch)";
if (required_effective_micro > effective_micro)
return "vala version too old (micro mismatch)";
return null;
}
}
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