/usr/share/pyshared/datatypes/dataBufferGiws.py is in giws 2.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 | #!/usr/bin/python -u
# Copyright or Copr. INRIA/Scilab - Sylvestre LEDRU
#
# Sylvestre LEDRU - <sylvestre.ledru@inria.fr> <sylvestre@ledru.info>
#
# This software is a computer program whose purpose is to generate C++ wrapper
# for Java objects/methods.
#
# This software is governed by the CeCILL license under French law and
# abiding by the rules of distribution of free software. You can use,
# modify and/ or redistribute the software under the terms of the CeCILL
# license as circulated by CEA, CNRS and INRIA at the following URL
# "http://www.cecill.info".
#
# As a counterpart to the access to the source code and rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty and the software's author, the holder of the
# economic rights, and the successive licensors have only limited
# liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading, using, modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean that it is complicated to manipulate, and that also
# therefore means that it is reserved for developers and experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or
# data to be ensured and, more generally, to use and operate it in the
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL license and that you accept its terms.
#
# For more information, see the file COPYING
from dataGiws import dataGiws
from configGiws import configGiws
from JNIFrameWork import JNIFrameWork
class dataBufferGiws(dataGiws):
callMethod="CallObjectMethod"
callStaticMethod="CallStaticObjectMethod"
def isByteBufferBased(self):
return True
def getJavaTypeSyntax(self):
return "jobject"
def __errorMemoryByteBuffer(self, detachThread):
# Management of the error when not enough memory to create the XXXXXBuffer
if configGiws().getThrowsException():
errorMgntMemBis="""%sthrow %s::JniBadAllocException(curEnv);"""%(detachThread,configGiws().getExceptionFileName())
else:
errorMgntMemBis="""std::cerr << "Could not convert C %s to Java UTF %s, memory full." << std::endl;%s
exit(EXIT_FAILURE);"""%(self.getJavaBufferType(), self.getJavaBufferType(), detachThread)
return errorMgntMemBis
def specificPreProcessing(self, parameter, detachThread):
""" Overrides the preprocessing of the array """
name=parameter.getName()
# Management of the error when not enought memory to create the XXXXXBuffer
if configGiws().getThrowsException():
errorMgntMem="""%sthrow %s::JniBadAllocException(curEnv);"""%(detachThread,configGiws().getExceptionFileName())
else:
errorMgntMem="""std::cerr << "Could not allocate Java %s array, memory full." << std::endl;%s
exit(EXIT_FAILURE);"""%(self.getJavaBufferType(), detachThread)
errorMgntMemBis = self.__errorMemoryByteBuffer(detachThread)
str = """
jobject buffer%s = curEnv->NewDirectByteBuffer((void*)%s, (jlong)%sSize * sizeof(%s));
if (!buffer%s)
{
throw GiwsException::JniBadAllocException(curEnv);
}
if (ByteOrderClass == NULL) {
ByteOrderClass = static_cast<jclass>(curEnv->NewGlobalRef(curEnv->FindClass("java/nio/ByteOrder")));
if (ByteOrderClass == NULL) {
curEnv->ExceptionDescribe();
}
}
if (nativeOrderID == NULL) {
// public static ByteOrder nativeOrder()
nativeOrderID = curEnv->GetStaticMethodID(ByteOrderClass, "nativeOrder", "()Ljava/nio/ByteOrder;");
if (nativeOrderID == NULL) {
curEnv->ExceptionDescribe();
}
}
nativeOrder = curEnv->CallStaticObjectMethod(ByteOrderClass, nativeOrderID, buffer%s);
// curEnv->DeleteLocalRef(cls);
if (curEnv->ExceptionCheck()) {
throw GiwsException::JniCallMethodException(curEnv);
}
if (bbCls == NULL) {
bbCls = static_cast<jclass>(curEnv->NewGlobalRef(curEnv->FindClass("java/nio/ByteBuffer")));
if (bbCls == NULL) {
curEnv->ExceptionDescribe();
}
}
if (orderID == NULL) {
orderID = curEnv->GetMethodID(bbCls, "order", "(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;");
if (orderID == NULL) {
curEnv->ExceptionDescribe();
}
}
buffer%s = curEnv->CallObjectMethod(buffer%s, orderID, nativeOrder);
"""%(name, name, name, self.nativeType, name, name, name, name)
if self.getJavaBufferType() == "ByteBuffer":
str=str+""" jobject %s_ = buffer%s; """ % (name, name)
return str
str=str+"""
if (asdbID%s == NULL) {
asdbID%s = curEnv->GetMethodID(bbCls, "as%s", "()%s");
if (asdbID%s == NULL) {
curEnv->ExceptionDescribe();
}
}
jobject %s_ = curEnv->CallObjectMethod(buffer%s, asdbID%s);
if (%s_ == NULL)
{
// check that allocation succeed
throw GiwsException::JniBadAllocException(curEnv);
}
"""%(self.getJavaBufferType(), self.getJavaBufferType(), self.getJavaBufferType(), self.getTypeSignature(), self.getJavaBufferType(), name, name, self.getJavaBufferType(), name)
return str
def specificPostProcessing(self, detachThread):
""" Called when we are returning a XXXXXBuffer or an array of XXXBuffer TODO """
# We are doing an exception check here JUST in this case because
# in methodGiws::__createMethodBody we usually do it at the end
# of the method just after deleting the variable
# but when dealing with DoubleBuffer, in this method, we are calling some
# methods which override the "exception engine" which drive the JNI
# engine crazy. TODO check
str=JNIFrameWork().getExceptionCheckProfile(detachThread)
if self.isArray():
strCommon=""
strDeclaration=""
if configGiws().getDisableReturnSize()==True:
strCommon+="int lenRow;"
else:
# The size of the array is returned as output argument of the function
strDeclaration="*"
self.temporaryVariableName="byteBufferRes"
if self.getDimensionArray() == 1:
str+=strCommon+"""
*lenRow = curEnv->GetDirectBufferCapacity(res);
%s %s = static_cast<%s>(curEnv->GetDirectBufferAddress(res));
curEnv->DeleteLocalRef(res);
curEnv->DeleteLocalRef(cls);
if (curEnv->ExceptionCheck()) {
curEnv->ExceptionDescribe() ;
}
"""%(self.getNativeType(), self.temporaryVariableName, self.getNativeType())
return str
else:
if configGiws().getDisableReturnSize()==True:
str+="int lenCol;"
str+=strCommon+"""
TODO voir si on delete ca
char ***arrayOfByteBuffer;
arrayOfByteBuffer = new char **[%slenRow];
for (jsize i = 0; i < %slenRow; i++){ /* Line of the array */
jobjectArray resByteBufferLine = reinterpret_cast<jobjectArray>(curEnv->GetObjectArrayElement(res, i));
%slenCol = curEnv->GetArrayLength(resByteBufferLine);
arrayOfByteBuffer[i]=new char*[%slenCol];
for (jsize j = 0; j < %slenCol; j++){
jDoubleBuffer resByteBuffer = reinterpret_cast<jDoubleBuffer>(curEnv->GetObjectArrayElement(resByteBufferLine, j));
const char *tempByteBuffer = curEnv->GetByteBufferUTFChars(resByteBuffer, 0);
arrayOfByteBuffer[i][j] = new char[strlen(tempByteBuffer) + 1];
strcpy(arrayOfByteBuffer[i][j], tempByteBuffer);
curEnv->ReleaseByteBufferUTFChars(resByteBuffer, tempByteBuffer);
curEnv->DeleteLocalRef(resByteBuffer);
}
curEnv->DeleteLocalRef(resByteBufferLine);
}
"""%(strDeclaration, strDeclaration, strDeclaration, strDeclaration, strDeclaration)
return str
else:
if hasattr(self,"parameterName"):
str+="""curEnv->DeleteLocalRef(%s);"""%(self.parameterName+"_")
return str+"""
const char *tempByteBuffer = curEnv->GetByteBufferUTFChars(res, 0);
char * %s = new char[strlen(tempByteBuffer) + 1];
strcpy(%s, tempByteBuffer);
curEnv->ReleaseByteBufferUTFChars(res, tempByteBuffer);
curEnv->DeleteLocalRef(res);
"""%(self.temporaryVariableName, self.temporaryVariableName)
def getReturnSyntax(self):
if self.isArray():
return """
curEnv->DeleteLocalRef(res);
return %s;
"""%(self.temporaryVariableName)
else:
return """
return %s;
"""%(self.temporaryVariableName)
|