1 files changed, 122 insertions, 0 deletions
diff --git a/CNativeCode/jnitools.h b/CNativeCode/jnitools.h
new file mode 100644
index 0000000..ee02405
--- /dev/null
+++ b/CNativeCode/jnitools.h
@@ -0,0 +1,122 @@
+
+#ifndef JNITOOLS
+	#define JNITOOLS
+
+	#include <stdio.h>
+	#include <stdlib.h>
+	#include <stdarg.h>
+
+	#ifdef _WIN32_
+		#include "winstuff.h"
+	#endif
+
+	#include <jni.h>
+
+	#ifndef LIBAPIENTRY
+		#define LIBAPIENTRY
+	#endif
+	#ifndef LIBAPI
+		#define LIBAPI
+	#endif
+
+	typedef enum {
+		T_NOPE = 0,
+		T_VOID,
+		T_BOOLEAN,
+		T_BYTE,
+		T_CHAR,
+		T_SHORT,
+		T_INT,
+		T_LONG,
+		T_FLOAT,
+		T_DOUBLE,
+		T_OBJECT,
+		T_ARRAY_TYPE_BORDER,
+		T_BOOLEAN_ARRAY,
+		T_BYTE_ARRAY,
+		T_CHAR_ARRAY,
+		T_SHORT_ARRAY,
+		T_INT_ARRAY,
+		T_LONG_ARRAY,
+		T_FLOAT_ARRAY,
+		T_DOUBLE_ARRAY,
+		T_OBJECT_ARRAY
+	} JavaBasicType;
+
+	/* Throw an exception by name */
+	LIBAPI void LIBAPIENTRY jnitoolsThrowByName(JNIEnv *env, const char *name, const char *msg, ...);
+
+	/* Translates a Java string to a C string using the String.getBytes
+	 * method, which uses default local encoding.
+	 */
+	LIBAPI char * LIBAPIENTRY jnitoolsGetJavaString(JNIEnv *env, jstring jstr);
+
+	/**
+	 * signature: e.g. "(II[I)V" for "void <name>(int, int, int[])"
+	 *
+	 * argIndex:  0-n argument index of the method signature
+	 *            -1  return type
+	 */
+	LIBAPI JavaBasicType LIBAPIENTRY jnitoolsGetJavaBasicType(JNIEnv *env, const char * signature, int argIndex, const char * errText);
+
+	LIBAPI int LIBAPIENTRY jnitoolsGetArgNumber(JNIEnv *env, 
+					     const char * signature,
+					     const char * errText);
+	/**
+	 * e.g.: int a[4];
+	 *       jarray arr = jnitoolsNativeArray2JavaArray(env, T_INT_ARRAY,
+	 *	 				            a, 4);
+	 */
+	LIBAPI jarray LIBAPIENTRY jnitoolsNativeArray2JavaArray (JNIEnv *env, 
+					     JavaBasicType jbt, 
+					     void *data, int dataArrayLen, 
+					     const char * errText, int arg);
+
+	/**
+	 * e.g.: int * a[2];
+	 *       a[0] = calloc (4, sizeof(int));
+	 *       a[1] = calloc (4, sizeof(int));
+	 *       jarray arr = jnitoolsNativePtrArray2JavaArray(env, T_INT_ARRAY,
+	 *	 				            a, 2, 8);
+	 */
+	LIBAPI jarray LIBAPIENTRY jnitoolsNativePtrArray2JavaArray(JNIEnv *env, 
+						 JavaBasicType jbt, 
+                                                 void *data[/*pointerNumber*/], 
+						 int pointerNumber, 
+						 int dataArrayLen, 
+						 const char * errText, int arg);
+
+
+	/**
+	 * e.g.: int a[4];
+	 *       jarray arr = ...
+	 *       jnitoolsReleaseJavaArray2NativeArray(env, arr, T_INT_ARRAY,
+	 *	 				      a, 4);
+	 */
+	LIBAPI void LIBAPIENTRY jnitoolsReleaseJavaArray2NativeArray(
+						 JNIEnv *env, 
+						 jarray arr, JavaBasicType jbt, 
+						 void *data, int dataArrayLen, 
+						 const char * errText, int arg);
+
+	/**
+	 * e.g.: int * a[2];
+	 *       a[0] = calloc (4, sizeof(int));
+	 *       a[1] = calloc (4, sizeof(int));
+	 *       jarray arr = ...
+	 *       jnitoolsReleaseJavaArray2NativeArrayPtr (env, arr, T_INT_ARRAY,
+	 *	 				          a, 2, 8);
+	 */
+	LIBAPI void LIBAPIENTRY jnitoolsReleaseJavaArray2NativeArrayPtr (
+						 JNIEnv *env, 
+						 jarray arr, 
+						 JavaBasicType jbt, 
+						 void *data[/*pointerNumber*/], 
+						 int pointerNumber, 
+						 int dataArrayLen, 
+						 const char * errText, int arg);
+
+	LIBAPI void * LIBAPIENTRY jnitoolsCreateNativeArray (JavaBasicType jbt, 
+							    int dataArrayLen, 
+							    const char * errText);
+#endif