in xalan/src/main/java/org/apache/xalan/xsltc/compiler/Stylesheet.java [797:1023]
private void compileStaticInitializer(ClassGenerator classGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = new InstructionList();
final MethodGenerator staticConst =
new MethodGenerator(ACC_PUBLIC|ACC_STATIC,
org.apache.bcel.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);
staticConst.markChunkEnd();
}
// 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();
}
// Put the tree of stylesheet namespace declarations into the translet
final Vector namespaceAncestors = getXSLTC().getNSAncestorPointers();
if (namespaceAncestors != null && namespaceAncestors.size() != 0) {
addStaticField(classGen, NS_ANCESTORS_INDEX_SIG,
STATIC_NS_ANCESTORS_ARRAY_FIELD);
staticConst.markChunkStart();
il.append(new PUSH(cpg, namespaceAncestors.size()));
il.append(new NEWARRAY(BasicType.INT));
int namespaceAncestorsArrayRef =
cpg.addFieldref(_className, STATIC_NS_ANCESTORS_ARRAY_FIELD,
NS_ANCESTORS_INDEX_SIG);
il.append(new PUTSTATIC(namespaceAncestorsArrayRef));
staticConst.markChunkEnd();
for (int i = 0; i < namespaceAncestors.size(); i++) {
int ancestor = ((Integer) namespaceAncestors.get(i)).intValue();
staticConst.markChunkStart();
il.append(new GETSTATIC(namespaceAncestorsArrayRef));
il.append(new PUSH(cpg, i));
il.append(new PUSH(cpg, ancestor));
il.append(IASTORE);
staticConst.markChunkEnd();
}
}
// Put the array of indices into the namespace prefix/URI pairs array
// into the translet
final Vector prefixURIPairsIdx = getXSLTC().getPrefixURIPairsIdx();
if (prefixURIPairsIdx != null && prefixURIPairsIdx.size() != 0) {
addStaticField(classGen, PREFIX_URIS_IDX_SIG,
STATIC_PREFIX_URIS_IDX_ARRAY_FIELD);
staticConst.markChunkStart();
il.append(new PUSH(cpg, prefixURIPairsIdx.size()));
il.append(new NEWARRAY(BasicType.INT));
int prefixURIPairsIdxArrayRef =
cpg.addFieldref(_className,
STATIC_PREFIX_URIS_IDX_ARRAY_FIELD,
PREFIX_URIS_IDX_SIG);
il.append(new PUTSTATIC(prefixURIPairsIdxArrayRef));
staticConst.markChunkEnd();
for (int i = 0; i < prefixURIPairsIdx.size(); i++) {
int idx = ((Integer) prefixURIPairsIdx.get(i)).intValue();
staticConst.markChunkStart();
il.append(new GETSTATIC(prefixURIPairsIdxArrayRef));
il.append(new PUSH(cpg, i));
il.append(new PUSH(cpg, idx));
il.append(IASTORE);
staticConst.markChunkEnd();
}
}
// Put the array of pairs of namespace prefixes and URIs into the
// translet
final Vector prefixURIPairs = getXSLTC().getPrefixURIPairs();
if (prefixURIPairs != null && prefixURIPairs.size() != 0) {
addStaticField(classGen, PREFIX_URIS_ARRAY_SIG,
STATIC_PREFIX_URIS_ARRAY_FIELD);
staticConst.markChunkStart();
il.append(new PUSH(cpg, prefixURIPairs.size()));
il.append(new ANEWARRAY(cpg.addClass(STRING)));
int prefixURIPairsRef =
cpg.addFieldref(_className,
STATIC_PREFIX_URIS_ARRAY_FIELD,
PREFIX_URIS_ARRAY_SIG);
il.append(new PUTSTATIC(prefixURIPairsRef));
staticConst.markChunkEnd();
for (int i = 0; i < prefixURIPairs.size(); i++) {
String prefixOrURI = (String) prefixURIPairs.get(i);
staticConst.markChunkStart();
il.append(new GETSTATIC(prefixURIPairsRef));
il.append(new PUSH(cpg, i));
il.append(new PUSH(cpg, prefixOrURI));
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);
}