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/**
* ConstantFuncs.cpp
*
* C++ implementation of PHP functions to retrieve and set constants.
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2014 Copernica BV
*/
/**
* Dependencies
*/
#include "includes.h"
/**
* Set up namespace
*/
namespace Php {
/**
* Retrieve the value of a constant by its name
* @param name Name of the constant
* @return Value Actual constant value
*/
Value constant(const char *name)
{
// pass on to other implementation
return constant(name, ::strlen(name));
}
/**
* Retrieve a constant by its name, and the size of the name
* @param constant Name of the constant
* @param size Size of the name
* @return Value
*/
Value constant(const char *constant, size_t size)
{
// we need the tsrm_ls variable
TSRMLS_FETCH();
// the value that holds the result
Value result;
// retrieve the constant
if (!zend_get_constant(constant, size, result._val TSRMLS_CC)) return nullptr;
// zval was correctly retrieved, wrap in value
return result;
}
/**
* Retrieve the value of a constant by its name
* @param name Name of the constant
* @return Value Actual constant value
*/
Value constant(const std::string &name)
{
// pass on to other implementation
return constant(name.c_str(), name.size());
}
/**
* Check whether a constant exists
* @param name
* @param size
* @return bool
*/
bool defined(const char *name, size_t size)
{
// we need the tsrm_ls variable
TSRMLS_FETCH();
// result variable
zval c;
// retrieve the constant
if (!zend_get_constant_ex(name, size, &c, NULL, ZEND_FETCH_CLASS_SILENT TSRMLS_CC)) return false;
// constant exists, but the returned zval should first be destructed
zval_dtor(&c);
// done
return true;
}
/**
* Check whether a constant exists
* @param name
* @return bool
*/
bool defined(const char *name)
{
// pass on
return defined(name, ::strlen(name));
}
/**
* Check whether a constant exists
* @param name
* @return bool
*/
bool defined(const std::string &name)
{
// pass on
return defined(name.c_str(), name.size());
}
/**
* End namespace
*/
}
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