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/**
* Script.h
*
* Class that can be used to evaluate a PHP script in the current PHP context.
*
* The difference between directly calling eval() is that the script object
* will first evaluate the string, and then it can be executed multiple times.
*
* @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
* @copyright 2014 Copernica BV
*/
/**
* Forward declarations
*/
struct _zend_op_array;
/**
* Set up namespace
*/
namespace Php {
/**
* Forward declarations
*/
class Opcodes;
/**
* Class definition
*/
class PHPCPP_EXPORT Script
{
public:
/**
* Constructor
*
* The constructor will not throw any exceptions, even when invalid
* PHP code is passed to it that can not be evaluated. You should call
* the valid() to find out if the script was valid (could be parsed).
*
* @param name Name of the PHP script
* @param source PHP source code to be evaluated
* @param size Length of the source code
*/
Script(const char *name, const char *source, size_t size) _NOEXCEPT;
/**
* Alternative constructor without a size
* @param name Name of the PHP script
* @param source PHP source code to be evaluated
*/
Script(const char *name, const char *source) _NOEXCEPT : Script(name, source, ::strlen(source)) {}
/**
* Alternative constructor without a name
* @param source PHP source code to be evaluated
* @param size Length of the source code
*/
Script(const char *source, size_t size) _NOEXCEPT : Script("Unknown", source, size) {}
/**
* Alternative constructor without a name and without a size
* @param source PHP source code to be evaluated
*/
Script(const char *source) _NOEXCEPT : Script("Unknown", source, ::strlen(source)) {}
/**
* Constructor based on a std::string
* @param source PHP source code to be evaluated
*/
Script(const std::string &source) _NOEXCEPT : Script("Unknown", source.c_str(), source.size()) {}
/**
* Destructor
*/
virtual ~Script();
/**
* Is the script a valid PHP script without syntax errors?
* @return bool
*/
bool valid() const;
/**
* Execute the script
* The return value of the script is returned
* @return Value
*/
Value execute() const;
private:
/**
* The opcodes
* @var Opcodes
*/
Opcodes *_opcodes;
/**
* Helper function to compile the source code
* @param name name of the script
* @param script actual PHP code
* @param size length of the string
* @return opcodes
*/
static struct _zend_op_array *compile(const char *name, const char *phpcode, size_t size);
};
/**
* End of namespace
*/
}
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