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add makeByteArray()

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This commit is contained in:
eehouse 2010-01-30 14:32:20 +00:00
parent 8def96dd59
commit 333c5fc040
2 changed files with 24 additions and 10 deletions
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22
xwords4/android/XWords4/jni/andutils.c
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@ -1,4 +1,4 @@
/* -*-mode: C; compile-command: "cd XWords4; ../scripts/ndkbuild.sh"; -*- */ /* -*-mode: C; compile-command: "../../scripts/ndkbuild.sh"; -*- */
#include "andutils.h" #include "andutils.h"
@ -60,10 +60,9 @@ getInt( JNIEnv* env, jobject obj, const char* name, int* result )
bool success = false; bool success = false;
jclass cls = (*env)->GetObjectClass( env, obj ); jclass cls = (*env)->GetObjectClass( env, obj );
jfieldID fid = (*env)->GetFieldID( env, cls, name, "I"); jfieldID fid = (*env)->GetFieldID( env, cls, name, "I");
if ( 0 != fid ) { XP_ASSERT( !!fid );
*result = (*env)->GetIntField( env, obj, fid ); *result = (*env)->GetIntField( env, obj, fid );
success = true; success = true;
}
(*env)->DeleteLocalRef( env, cls ); (*env)->DeleteLocalRef( env, cls );
return success; return success;
} }
@ -74,10 +73,9 @@ setInt( JNIEnv* env, jobject obj, const char* name, int value )
bool success = false; bool success = false;
jclass cls = (*env)->GetObjectClass( env, obj ); jclass cls = (*env)->GetObjectClass( env, obj );
jfieldID fid = (*env)->GetFieldID( env, cls, name, "I"); jfieldID fid = (*env)->GetFieldID( env, cls, name, "I");
if ( 0 != fid ) { XP_ASSERT( !!fid );
(*env)->SetIntField( env, obj, fid, value ); (*env)->SetIntField( env, obj, fid, value );
success = true; success = true;
}
(*env)->DeleteLocalRef( env, cls ); (*env)->DeleteLocalRef( env, cls );
return success; return success;
} }
@ -185,6 +183,20 @@ makeIntArray( JNIEnv *env, int siz, const jint* vals )
return array; return array;
} }
jbyteArray
makeByteArray( JNIEnv *env, int siz, const jbyte* vals )
{
jbyteArray array = (*env)->NewByteArray( env, siz );
XP_ASSERT( !!array );
if ( !!vals ) {
jbyte* elems = (*env)->GetByteArrayElements( env, array, NULL );
XP_ASSERT( !!elems );
XP_MEMCPY( elems, vals, siz * sizeof(*elems) );
(*env)->ReleaseByteArrayElements( env, array, elems, 0 );
}
return array;
}
jbooleanArray jbooleanArray
makeBooleanArray( JNIEnv *env, int siz, const jboolean* vals ) makeBooleanArray( JNIEnv *env, int siz, const jboolean* vals )
{ {

2
xwords4/android/XWords4/jni/andutils.h
View file

@ -27,6 +27,8 @@ bool getObject( JNIEnv* env, jobject obj, const char* name, const char* sig,
jintArray makeIntArray( JNIEnv *env, int size, const jint* vals ); jintArray makeIntArray( JNIEnv *env, int size, const jint* vals );
int getIntFromArray( JNIEnv* env, jintArray arr, bool del ); int getIntFromArray( JNIEnv* env, jintArray arr, bool del );
jbyteArray makeByteArray( JNIEnv* env, int size, const jbyte* vals );
jbooleanArray makeBooleanArray( JNIEnv* env, int size, const jboolean* vals ); jbooleanArray makeBooleanArray( JNIEnv* env, int size, const jboolean* vals );
jobjectArray makeStringArray( JNIEnv *env, int size, const XP_UCHAR** vals ); jobjectArray makeStringArray( JNIEnv *env, int size, const XP_UCHAR** vals );