/usr/include/apt-pkg/aptconfiguration.h is in libapt-pkg-dev 1.6.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Description /*{{{*/
/** \class APT::Configuration
* \brief Provide access methods to various configuration settings
*
* This class and their methods providing a layer around the usual access
* methods with _config to ensure that settings are correct and to be able
* to set defaults without the need to recheck it in every method again.
*/
/*}}}*/
#ifndef APT_CONFIGURATION_H
#define APT_CONFIGURATION_H
// Include Files /*{{{*/
#include <limits>
#include <string>
#include <vector>
/*}}}*/
namespace APT {
namespace Configuration { /*{{{*/
/** \brief Returns a vector of usable Compression Types
*
* Files can be compressed in various ways to decrease the size of the
* download. Therefore the Acquiremethods support a few compression types
* and some archives provide also a few different types. This option
* group exists to give the user the choice to prefer one type over the
* other (some compression types are very resource intensive - great if you
* have a limited download, bad if you have a really lowpowered hardware.)
*
* This method ensures that the defaults are set and checks at runtime
* if the type can be used. E.g. the current default is to prefer bzip2
* over lzma and gz - if the bzip2 binary is not available it has not much
* sense in downloading the bz2 file, therefore we will not return bz2 as
* a usable compression type. The availability is checked with the settings
* in the Dir::Bin group.
*
* \param Cached saves the result so we need to calculated it only once
* this parameter should ony be used for testing purposes.
*
* \return a vector of the compression types in the preferred usage order
*/
std::vector<std::string> const getCompressionTypes(bool const &Cached = true);
/** \brief Returns a vector of Language Codes
*
* Languages can be defined with their two or five chars long code.
* This methods handles the various ways to set the preferred codes,
* honors the environment and ensures that the codes are not listed twice.
*
* The special word "environment" will be replaced with the long and the short
* code of the local settings and it will be insured that this will not add
* duplicates. So in an german local the setting "environment, de_DE, en, de"
* will result in "de_DE, de, en".
*
* Another special word is "none" which separates the preferred from all codes
* in this setting. So setting and method can be used to get codes the user want
* to see or to get all language codes APT (should) have Translations available.
*
* \param All return all codes or only codes for languages we want to use
* \param Cached saves the result so we need to calculated it only once
* this parameter should ony be used for testing purposes.
* \param Locale don't get the locale from the system but use this one instead
* this parameter should ony be used for testing purposes.
*
* \return a vector of (all) Language Codes in the preferred usage order
*/
std::vector<std::string> const getLanguages(bool const &All = false,
bool const &Cached = true, char const ** const Locale = 0);
/** \brief Are we interested in the given Language?
*
* \param Lang is the language we want to check
* \param All defines if we check against all codes or only against used codes
* \return true if we are interested, false otherwise
*/
bool checkLanguage(std::string Lang, bool const All = false);
/** \brief Returns a vector of Architectures we support
*
* \param Cached saves the result so we need to calculated it only once
* this parameter should ony be used for testing purposes.
*
* \return a vector of Architectures in preferred order
*/
std::vector<std::string> const getArchitectures(bool const &Cached = true);
/** \brief Are we interested in the given Architecture?
*
* \param Arch we want to check
* \return true if we are interested, false otherwise
*/
bool checkArchitecture(std::string const &Arch);
/** \brief Representation of supported compressors */
struct Compressor {
std::string Name;
std::string Extension;
std::string Binary;
std::vector<std::string> CompressArgs;
std::vector<std::string> UncompressArgs;
unsigned short Cost;
Compressor(char const *name, char const *extension, char const *binary,
char const *compressArg, char const *uncompressArg,
unsigned short const cost);
Compressor() : Cost(std::numeric_limits<unsigned short>::max()) {};
};
/** \brief Return a vector of Compressors supported for data.tar's
*
* \param Cached saves the result so we need to calculated it only once
* this parameter should ony be used for testing purposes.
*
* \return a vector of Compressors
*/
std::vector<Compressor> const getCompressors(bool const Cached = true);
/** \brief Return a vector of extensions supported for data.tar's */
std::vector<std::string> const getCompressorExtensions();
/** \return Return a vector of enabled build profile specifications */
std::vector<std::string> const getBuildProfiles();
/** \return Return a comma-separated list of enabled build profile specifications */
std::string const getBuildProfilesString();
/*}}}*/
}
/*}}}*/
}
#endif
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