/** * Compile the namesArray, urisArray and typesArray into the static initializer. They are * read-only from the translet. All translet instances can share a single copy of this informtion. */ private void compileStaticInitializer(ClassGenerator classGen) { final ConstantPoolGen cpg = classGen.getConstantPool(); final InstructionList il = new InstructionList(); final MethodGenerator staticConst = new MethodGenerator( ACC_PUBLIC | ACC_STATIC, com.sun.org.apache.bcel.internal.generic.Type.VOID, null, null, "<clinit>", _className, il, cpg); addStaticField(classGen, "[" + STRING_SIG, STATIC_NAMES_ARRAY_FIELD); addStaticField(classGen, "[" + STRING_SIG, STATIC_URIS_ARRAY_FIELD); addStaticField(classGen, "[I", STATIC_TYPES_ARRAY_FIELD); addStaticField(classGen, "[" + STRING_SIG, STATIC_NAMESPACE_ARRAY_FIELD); // Create fields of type char[] that will contain literal text from // the stylesheet. final int charDataFieldCount = getXSLTC().getCharacterDataCount(); for (int i = 0; i < charDataFieldCount; i++) { addStaticField(classGen, STATIC_CHAR_DATA_FIELD_SIG, STATIC_CHAR_DATA_FIELD + i); } // Put the names array into the translet - used for dom/translet mapping final Vector namesIndex = getXSLTC().getNamesIndex(); int size = namesIndex.size(); String[] namesArray = new String[size]; String[] urisArray = new String[size]; int[] typesArray = new int[size]; int index; for (int i = 0; i < size; i++) { String encodedName = (String) namesIndex.elementAt(i); if ((index = encodedName.lastIndexOf(':')) > -1) { urisArray[i] = encodedName.substring(0, index); } index = index + 1; if (encodedName.charAt(index) == '@') { typesArray[i] = DTM.ATTRIBUTE_NODE; index++; } else if (encodedName.charAt(index) == '?') { typesArray[i] = DTM.NAMESPACE_NODE; index++; } else { typesArray[i] = DTM.ELEMENT_NODE; } if (index == 0) { namesArray[i] = encodedName; } else { namesArray[i] = encodedName.substring(index); } } staticConst.markChunkStart(); il.append(new PUSH(cpg, size)); il.append(new ANEWARRAY(cpg.addClass(STRING))); int namesArrayRef = cpg.addFieldref(_className, STATIC_NAMES_ARRAY_FIELD, NAMES_INDEX_SIG); il.append(new PUTSTATIC(namesArrayRef)); staticConst.markChunkEnd(); for (int i = 0; i < size; i++) { final String name = namesArray[i]; staticConst.markChunkStart(); il.append(new GETSTATIC(namesArrayRef)); il.append(new PUSH(cpg, i)); il.append(new PUSH(cpg, name)); il.append(AASTORE); staticConst.markChunkEnd(); } staticConst.markChunkStart(); il.append(new PUSH(cpg, size)); il.append(new ANEWARRAY(cpg.addClass(STRING))); int urisArrayRef = cpg.addFieldref(_className, STATIC_URIS_ARRAY_FIELD, URIS_INDEX_SIG); il.append(new PUTSTATIC(urisArrayRef)); staticConst.markChunkEnd(); for (int i = 0; i < size; i++) { final String uri = urisArray[i]; staticConst.markChunkStart(); il.append(new GETSTATIC(urisArrayRef)); il.append(new PUSH(cpg, i)); il.append(new PUSH(cpg, uri)); il.append(AASTORE); staticConst.markChunkEnd(); } staticConst.markChunkStart(); il.append(new PUSH(cpg, size)); il.append(new NEWARRAY(BasicType.INT)); int typesArrayRef = cpg.addFieldref(_className, STATIC_TYPES_ARRAY_FIELD, TYPES_INDEX_SIG); il.append(new PUTSTATIC(typesArrayRef)); staticConst.markChunkEnd(); for (int i = 0; i < size; i++) { final int nodeType = typesArray[i]; staticConst.markChunkStart(); il.append(new GETSTATIC(typesArrayRef)); il.append(new PUSH(cpg, i)); il.append(new PUSH(cpg, nodeType)); il.append(IASTORE); } // Put the namespace names array into the translet final Vector namespaces = getXSLTC().getNamespaceIndex(); staticConst.markChunkStart(); il.append(new PUSH(cpg, namespaces.size())); il.append(new ANEWARRAY(cpg.addClass(STRING))); int namespaceArrayRef = cpg.addFieldref(_className, STATIC_NAMESPACE_ARRAY_FIELD, NAMESPACE_INDEX_SIG); il.append(new PUTSTATIC(namespaceArrayRef)); staticConst.markChunkEnd(); for (int i = 0; i < namespaces.size(); i++) { final String ns = (String) namespaces.elementAt(i); staticConst.markChunkStart(); il.append(new GETSTATIC(namespaceArrayRef)); il.append(new PUSH(cpg, i)); il.append(new PUSH(cpg, ns)); il.append(AASTORE); staticConst.markChunkEnd(); } // Grab all the literal text in the stylesheet and put it in a char[] final int charDataCount = getXSLTC().getCharacterDataCount(); final int toCharArray = cpg.addMethodref(STRING, "toCharArray", "()[C"); for (int i = 0; i < charDataCount; i++) { staticConst.markChunkStart(); il.append(new PUSH(cpg, getXSLTC().getCharacterData(i))); il.append(new INVOKEVIRTUAL(toCharArray)); il.append( new PUTSTATIC( cpg.addFieldref(_className, STATIC_CHAR_DATA_FIELD + i, STATIC_CHAR_DATA_FIELD_SIG))); staticConst.markChunkEnd(); } il.append(RETURN); classGen.addMethod(staticConst); }