lsnes/include/core/misc.hpp
Ilari Liusvaara 2cd0bbdcc3 Switch to dedicated SHA-256 implementation
This is in preparation of splitting the emulation cores away.
2012-02-07 17:35:18 +02:00

125 lines
2.9 KiB
C++

#ifndef _misc__hpp__included__
#define _misc__hpp__included__
#include <string>
#include <vector>
#include <stdexcept>
#include <boost/lexical_cast.hpp>
/**
* \brief Get random hexes
*
* Get string of random hex characters of specified length.
*
* \param length The number of hex characters to return.
* \return The random hexadecimal string.
* \throws std::bad_alloc Not enough memory.
*/
std::string get_random_hexstring(size_t length) throw(std::bad_alloc);
/**
* \brief Set random seed
*
* This function sets the random seed to use.
*
* \param seed The value to use as seed.
* \throw std::bad_alloc Not enough memory.
*/
void set_random_seed(const std::string& seed) throw(std::bad_alloc);
/**
* \brief Set random seed to (hopefully) unique value
*
* This function sets the random seed to value that should only be used once. Note, the value is not necressarily
* crypto-secure, even if it is unique.
*
* \throw std::bad_alloc Not enough memory.
*/
void set_random_seed() throw(std::bad_alloc);
/**
* \brief Load a ROM.
*
* Given commandline arguments, load a ROM.
*
* \param cmdline The command line.
* \return The loaded ROM set.
* \throws std::bad_alloc Not enough memory.
* \throws std::runtime_error Can't load the ROMset.
*/
struct loaded_rom load_rom_from_commandline(std::vector<std::string> cmdline) throw(std::bad_alloc,
std::runtime_error);
/**
* \brief Dump listing of regions to graphics system messages.
*
* \throws std::bad_alloc Not enough memory.
*/
void dump_region_map() throw(std::bad_alloc);
/**
* \brief Fatal error.
*
* Fatal error.
*/
void fatal_error() throw();
/**
* \brief Get path to config directory.
*
* \return The config directory path.
* \throw std::bad_alloc Not enough memory.
*/
std::string get_config_path() throw(std::bad_alloc);
/**
* \brief Panic on OOM.
*/
void OOM_panic();
/**
* messages -> window::out().
*/
std::ostream& _messages();
#define messages _messages()
/**
* \brief Typeconvert string.
*/
template<typename T> inline T parse_value(const std::string& value) throw(std::bad_alloc, std::runtime_error)
{
try {
//Hack, since lexical_cast lets negative values slip through.
if(!std::numeric_limits<T>::is_signed && value.length() && value[0] == '-') {
throw std::runtime_error("Unsigned values can't be negative");
}
return boost::lexical_cast<T>(value);
} catch(std::exception& e) {
throw std::runtime_error("Can't parse value '" + value + "': " + e.what());
}
}
template<> inline std::string parse_value(const std::string& value) throw(std::bad_alloc, std::runtime_error)
{
return value;
}
uint32_t gcd(uint32_t a, uint32_t b) throw();
void create_lsnesrc();
/**
* Return hexadecimal representation of address
*/
std::string format_address(void* addr);
/**
* Get state of running global ctors flag.
*/
bool in_global_ctors();
/**
* Clear the global ctors flag.
*/
void reached_main();
#endif