mirror of
https://github.com/clementine-player/Clementine
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158 lines
4.7 KiB
C++
158 lines
4.7 KiB
C++
//
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// C++ Implementation: BuiltinFuncs
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//
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// Description:
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//
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//
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// Author: Carmelo Piccione <carmelo.piccione@gmail.com>, (C) 2007
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//
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// Copyright: See COPYING file that comes with this distribution
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//
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//
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/* Loads all builtin functions */
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/* Loads a builtin function */
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#include "BuiltinFuncs.hpp"
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#include <string>
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#include <iostream>
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#include "fatal.h"
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std::map<std::string, Func*> BuiltinFuncs::builtin_func_tree;
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int BuiltinFuncs::load_builtin_func(const std::string & name, float (*func_ptr)(float*), int num_args) {
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Func * func;
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int retval;
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/* Create new function */
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func = new Func(name, func_ptr, num_args);
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if (func == NULL)
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return PROJECTM_OUTOFMEM_ERROR;
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retval = insert_func( func );
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return retval;
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}
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Func * BuiltinFuncs::find_func(const std::string & name) {
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std::map<std::string, Func*>::iterator pos = builtin_func_tree.find(name);
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// Case: function not found, return null
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if (pos == builtin_func_tree.end())
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return 0;
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// Case: function found, return a pointer to it
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return pos->second;
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}
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int BuiltinFuncs::load_all_builtin_func() {
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if (load_builtin_func("int", FuncWrappers::int_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("abs", FuncWrappers::abs_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("sin", FuncWrappers::sin_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("cos", FuncWrappers::cos_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("tan", FuncWrappers::tan_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("asin", FuncWrappers::asin_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("acos", FuncWrappers::acos_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("atan", FuncWrappers::atan_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("sqr", FuncWrappers::sqr_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("sqrt", FuncWrappers::sqrt_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("pow", FuncWrappers::pow_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("exp", FuncWrappers::exp_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("log", FuncWrappers::log_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("log10", FuncWrappers::log10_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("sign", FuncWrappers::sign_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("min", FuncWrappers::min_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("max", FuncWrappers::max_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("sigmoid", FuncWrappers::sigmoid_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("atan2", FuncWrappers::atan2_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("rand", FuncWrappers::rand_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("band", FuncWrappers::band_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("bor", FuncWrappers::bor_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("bnot", FuncWrappers::bnot_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("if", FuncWrappers::if_wrapper, 3) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("equal", FuncWrappers::equal_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("above", FuncWrappers::above_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("below", FuncWrappers::below_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("nchoosek", FuncWrappers::nchoosek_wrapper, 2) < 0)
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return PROJECTM_ERROR;
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if (load_builtin_func("fact", FuncWrappers::fact_wrapper, 1) < 0)
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return PROJECTM_ERROR;
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return PROJECTM_SUCCESS;
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}
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/* Initialize the builtin function database.
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Should only be necessary once */
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int BuiltinFuncs::init_builtin_func_db() {
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int retval;
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retval = load_all_builtin_func();
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return retval;
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}
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/* Destroy the builtin function database.
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Generally, do this on projectm exit */
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int BuiltinFuncs::destroy_builtin_func_db() {
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traverse<TraverseFunctors::Delete<Func> >(builtin_func_tree);
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builtin_func_tree.clear();
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return PROJECTM_SUCCESS;
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}
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/* Insert a function into the database */
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int BuiltinFuncs::insert_func( Func *func ) {
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assert(func);
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std::pair<std::map<std::string, Func*>::iterator, bool> inserteePair =
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builtin_func_tree.insert(std::make_pair(std::string(func->getName()), func));
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if (!inserteePair.second) {
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std::cerr << "Failed to insert builtin function \"" << func->getName() << "\" into collection! Bailing..." << std::endl;
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abort();
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}
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return PROJECTM_SUCCESS;
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}
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