C++ (Cpp) converterr Exemples

Exemple #1

Fichier : getargs.c Projet : MatiasNAmendola/cleese

static char *
convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf,
	      size_t bufsize, PyObject **freelist)
{
	char *format = *p_format;
	char c = *format++;
	
	switch (c) {
	
	case 'b': { /* unsigned byte -- very short int */
		char *p = va_arg(*p_va, char *);
		long ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<b>", arg, msgbuf, bufsize);
		else if (ival < 0) {
			PyErr_SetString(PyExc_OverflowError,
			"unsigned byte integer is less than minimum");
			return converterr("integer<b>", arg, msgbuf, bufsize);
		}
		else if (ival > UCHAR_MAX) {
			PyErr_SetString(PyExc_OverflowError,
			"unsigned byte integer is greater than maximum");
			return converterr("integer<b>", arg, msgbuf, bufsize);
		}
		else
			*p = (unsigned char) ival;
		break;
	}
	
	case 'B': {/* byte sized bitfield - both signed and unsigned
		      values allowed */  
		char *p = va_arg(*p_va, char *);
		long ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsUnsignedLongMask(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<B>", arg, msgbuf, bufsize);
		else
			*p = (unsigned char) ival;
		break;
	}
	
	case 'h': {/* signed short int */
		short *p = va_arg(*p_va, short *);
		long ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<h>", arg, msgbuf, bufsize);
		else if (ival < SHRT_MIN) {
			PyErr_SetString(PyExc_OverflowError,
			"signed short integer is less than minimum");
			return converterr("integer<h>", arg, msgbuf, bufsize);
		}
		else if (ival > SHRT_MAX) {
			PyErr_SetString(PyExc_OverflowError,
			"signed short integer is greater than maximum");
			return converterr("integer<h>", arg, msgbuf, bufsize);
		}
		else
			*p = (short) ival;
		break;
	}
	
	case 'H': { /* short int sized bitfield, both signed and
		       unsigned allowed */ 
		unsigned short *p = va_arg(*p_va, unsigned short *);
		long ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsUnsignedLongMask(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<H>", arg, msgbuf, bufsize);
		else
			*p = (unsigned short) ival;
		break;
	}
	
	case 'i': {/* signed int */
		int *p = va_arg(*p_va, int *);
		long ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<i>", arg, msgbuf, bufsize);
		else if (ival > INT_MAX) {
			PyErr_SetString(PyExc_OverflowError,
				"signed integer is greater than maximum");
			return converterr("integer<i>", arg, msgbuf, bufsize);
		}
		else if (ival < INT_MIN) {
			PyErr_SetString(PyExc_OverflowError,
				"signed integer is less than minimum");
			return converterr("integer<i>", arg, msgbuf, bufsize);
		}
		else
			*p = ival;
		break;
	}

	case 'I': { /* int sized bitfield, both signed and
		       unsigned allowed */ 
		unsigned int *p = va_arg(*p_va, unsigned int *);
		unsigned int ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsUnsignedLongMask(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<I>", arg, msgbuf, bufsize);
		else
			*p = ival;
		break;
	}
	
	case 'l': {/* long int */
		long *p = va_arg(*p_va, long *);
		long ival;
		if (float_argument_error(arg))
			return NULL;
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<l>", arg, msgbuf, bufsize);
		else
			*p = ival;
		break;
	}

	case 'k': { /* long sized bitfield */
		unsigned long *p = va_arg(*p_va, unsigned long *);
		unsigned long ival;
		if (PyInt_Check(arg))
			ival = PyInt_AsUnsignedLongMask(arg);
		else if (PyLong_Check(arg))
			ival = PyLong_AsUnsignedLongMask(arg);
		else
			return converterr("integer<k>", arg, msgbuf, bufsize);
		*p = ival;
		break;
	}
	
	case 'f': {/* float */
		float *p = va_arg(*p_va, float *);
		double dval = PyFloat_AsDouble(arg);
		if (PyErr_Occurred())
			return converterr("float<f>", arg, msgbuf, bufsize);
		else
			*p = (float) dval;
		break;
	}
	
	case 'd': {/* double */
		double *p = va_arg(*p_va, double *);
		double dval = PyFloat_AsDouble(arg);
		if (PyErr_Occurred())
			return converterr("float<d>", arg, msgbuf, bufsize);
		else
			*p = dval;
		break;
	}
	
	case 'c': {/* char */
		char *p = va_arg(*p_va, char *);
		if (PyString_Check(arg) && PyString_Size(arg) == 1)
			*p = PyString_AS_STRING(arg)[0];
		else
			return converterr("char", arg, msgbuf, bufsize);
		break;
	}
	
	case 's': {/* string */
		if (*format == '#') {
			void **p = (void **)va_arg(*p_va, char **);
			int *q = va_arg(*p_va, int *);
			
			if (PyString_Check(arg)) {
				*p = PyString_AS_STRING(arg);
				*q = PyString_GET_SIZE(arg);
			}
			else { /* any buffer-like object */
				char *buf;
				int count = convertbuffer(arg, p, &buf);
				if (count < 0)
					return converterr(buf, arg, msgbuf, bufsize);
				*q = count;
			}
			format++;
		} else {
			char **p = va_arg(*p_va, char **);
			
			if (PyString_Check(arg))
				*p = PyString_AS_STRING(arg);
			else
				return converterr("string", arg, msgbuf, bufsize);
			if ((int)strlen(*p) != PyString_Size(arg))
				return converterr("string without null bytes",
						  arg, msgbuf, bufsize);
		}
		break;
	}

Exemple #2

Fichier : getargs.c Projet : BackupTheBerlios/pyasynchio-svn

static char *
convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf,
	      size_t bufsize, PyObject **freelist)
{
	char *format = *p_format;
	char c = *format++;
#ifdef Py_USING_UNICODE
	PyObject *uarg;
#endif
	
	switch (c) {
	
	case 'b': { /* unsigned byte -- very short int */
		char *p = va_arg(*p_va, char *);
		long ival;
		if (float_argument_error(arg))
			return converterr("integer<b>", arg, msgbuf, bufsize);
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<b>", arg, msgbuf, bufsize);
		else if (ival < 0) {
			PyErr_SetString(PyExc_OverflowError,
			"unsigned byte integer is less than minimum");
			return converterr("integer<b>", arg, msgbuf, bufsize);
		}
		else if (ival > UCHAR_MAX) {
			PyErr_SetString(PyExc_OverflowError,
			"unsigned byte integer is greater than maximum");
			return converterr("integer<b>", arg, msgbuf, bufsize);
		}
		else
			*p = (unsigned char) ival;
		break;
	}
	
	case 'B': {/* byte sized bitfield - both signed and unsigned
		      values allowed */  
		char *p = va_arg(*p_va, char *);
		long ival;
		if (float_argument_error(arg))
			return converterr("integer<B>", arg, msgbuf, bufsize);
		ival = PyInt_AsUnsignedLongMask(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<B>", arg, msgbuf, bufsize);
		else
			*p = (unsigned char) ival;
		break;
	}
	
	case 'h': {/* signed short int */
		short *p = va_arg(*p_va, short *);
		long ival;
		if (float_argument_error(arg))
			return converterr("integer<h>", arg, msgbuf, bufsize);
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<h>", arg, msgbuf, bufsize);
		else if (ival < SHRT_MIN) {
			PyErr_SetString(PyExc_OverflowError,
			"signed short integer is less than minimum");
			return converterr("integer<h>", arg, msgbuf, bufsize);
		}
		else if (ival > SHRT_MAX) {
			PyErr_SetString(PyExc_OverflowError,
			"signed short integer is greater than maximum");
			return converterr("integer<h>", arg, msgbuf, bufsize);
		}
		else
			*p = (short) ival;
		break;
	}
	
	case 'H': { /* short int sized bitfield, both signed and
		       unsigned allowed */ 
		unsigned short *p = va_arg(*p_va, unsigned short *);
		long ival;
		if (float_argument_error(arg))
			return converterr("integer<H>", arg, msgbuf, bufsize);
		ival = PyInt_AsUnsignedLongMask(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<H>", arg, msgbuf, bufsize);
		else
			*p = (unsigned short) ival;
		break;
	}
	
	case 'i': {/* signed int */
		int *p = va_arg(*p_va, int *);
		long ival;
		if (float_argument_error(arg))
			return converterr("integer<i>", arg, msgbuf, bufsize);
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<i>", arg, msgbuf, bufsize);
		else if (ival > INT_MAX) {
			PyErr_SetString(PyExc_OverflowError,
				"signed integer is greater than maximum");
			return converterr("integer<i>", arg, msgbuf, bufsize);
		}
		else if (ival < INT_MIN) {
			PyErr_SetString(PyExc_OverflowError,
				"signed integer is less than minimum");
			return converterr("integer<i>", arg, msgbuf, bufsize);
		}
		else
			*p = ival;
		break;
	}

	case 'I': { /* int sized bitfield, both signed and
		       unsigned allowed */ 
		unsigned int *p = va_arg(*p_va, unsigned int *);
		unsigned int ival;
		if (float_argument_error(arg))
			return converterr("integer<I>", arg, msgbuf, bufsize);
		ival = PyInt_AsUnsignedLongMask(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<I>", arg, msgbuf, bufsize);
		else
			*p = ival;
		break;
	}
	
	case 'l': {/* long int */
		long *p = va_arg(*p_va, long *);
		long ival;
		if (float_argument_error(arg))
			return converterr("integer<l>", arg, msgbuf, bufsize);
		ival = PyInt_AsLong(arg);
		if (ival == -1 && PyErr_Occurred())
			return converterr("integer<l>", arg, msgbuf, bufsize);
		else
			*p = ival;
		break;
	}

	case 'k': { /* long sized bitfield */
		unsigned long *p = va_arg(*p_va, unsigned long *);
		unsigned long ival;
		if (PyInt_Check(arg))
			ival = PyInt_AsUnsignedLongMask(arg);
		else if (PyLong_Check(arg))
			ival = PyLong_AsUnsignedLongMask(arg);
		else
			return converterr("integer<k>", arg, msgbuf, bufsize);
		*p = ival;
		break;
	}
	
#ifdef HAVE_LONG_LONG
	case 'L': {/* PY_LONG_LONG */
		PY_LONG_LONG *p = va_arg( *p_va, PY_LONG_LONG * );
		PY_LONG_LONG ival = PyLong_AsLongLong( arg );
		if( ival == (PY_LONG_LONG)-1 && PyErr_Occurred() ) {
			return converterr("long<L>", arg, msgbuf, bufsize);
		} else {
			*p = ival;
		}
		break;
	}

	case 'K': { /* long long sized bitfield */
		unsigned PY_LONG_LONG *p = va_arg(*p_va, unsigned PY_LONG_LONG *);
		unsigned PY_LONG_LONG ival;
		if (PyInt_Check(arg))
			ival = PyInt_AsUnsignedLongMask(arg);
		else if (PyLong_Check(arg))
			ival = PyLong_AsUnsignedLongLongMask(arg);
		else
			return converterr("integer<K>", arg, msgbuf, bufsize);
		*p = ival;
		break;
	}
#endif
	
	case 'f': {/* float */
		float *p = va_arg(*p_va, float *);
		double dval = PyFloat_AsDouble(arg);
		if (PyErr_Occurred())
			return converterr("float<f>", arg, msgbuf, bufsize);
		else
			*p = (float) dval;
		break;
	}
	
	case 'd': {/* double */
		double *p = va_arg(*p_va, double *);
		double dval = PyFloat_AsDouble(arg);
		if (PyErr_Occurred())
			return converterr("float<d>", arg, msgbuf, bufsize);
		else
			*p = dval;
		break;
	}
	
#ifndef WITHOUT_COMPLEX
	case 'D': {/* complex double */
		Py_complex *p = va_arg(*p_va, Py_complex *);
		Py_complex cval;
		cval = PyComplex_AsCComplex(arg);
		if (PyErr_Occurred())
			return converterr("complex<D>", arg, msgbuf, bufsize);
		else
			*p = cval;
		break;
	}
#endif /* WITHOUT_COMPLEX */
	
	case 'c': {/* char */
		char *p = va_arg(*p_va, char *);
		if (PyString_Check(arg) && PyString_Size(arg) == 1)
			*p = PyString_AS_STRING(arg)[0];
		else
			return converterr("char", arg, msgbuf, bufsize);
		break;
	}
	
	case 's': {/* string */
		if (*format == '#') {
			void **p = (void **)va_arg(*p_va, char **);
			int *q = va_arg(*p_va, int *);
			
			if (PyString_Check(arg)) {
				*p = PyString_AS_STRING(arg);
				*q = PyString_GET_SIZE(arg);
			}
#ifdef Py_USING_UNICODE
			else if (PyUnicode_Check(arg)) {
				uarg = UNICODE_DEFAULT_ENCODING(arg);
				if (uarg == NULL)
					return converterr(CONV_UNICODE,
							  arg, msgbuf, bufsize);
				*p = PyString_AS_STRING(uarg);
				*q = PyString_GET_SIZE(uarg);
			}
#endif
			else { /* any buffer-like object */
				char *buf;
				int count = convertbuffer(arg, p, &buf);
				if (count < 0)
					return converterr(buf, arg, msgbuf, bufsize);
				*q = count;
			}
			format++;
		} else {
			char **p = va_arg(*p_va, char **);
			
			if (PyString_Check(arg))
				*p = PyString_AS_STRING(arg);
#ifdef Py_USING_UNICODE
			else if (PyUnicode_Check(arg)) {
				uarg = UNICODE_DEFAULT_ENCODING(arg);
				if (uarg == NULL)
					return converterr(CONV_UNICODE,
							  arg, msgbuf, bufsize);
				*p = PyString_AS_STRING(uarg);
			}
#endif
			else
				return converterr("string", arg, msgbuf, bufsize);
			if ((int)strlen(*p) != PyString_Size(arg))
				return converterr("string without null bytes",
						  arg, msgbuf, bufsize);
		}
		break;
	}