コード例 #1
0
ファイル: Structure.cpp プロジェクト: jbat100/webkit
Structure* Structure::nonPropertyTransition(JSGlobalData& globalData, Structure* structure, NonPropertyTransition transitionKind)
{
    unsigned attributes = toAttributes(transitionKind);
    IndexingType indexingType = newIndexingType(structure->indexingTypeIncludingHistory(), transitionKind);
    
    if (JSGlobalObject* globalObject = structure->m_globalObject.get()) {
        if (globalObject->isOriginalArrayStructure(structure)) {
            Structure* result = globalObject->originalArrayStructureForIndexingType(indexingType);
            if (result->indexingTypeIncludingHistory() == indexingType) {
                structure->notifyTransitionFromThisStructure();
                return result;
            }
        }
    }
    
    if (Structure* existingTransition = structure->m_transitionTable.get(0, attributes)) {
        ASSERT(existingTransition->m_attributesInPrevious == attributes);
        ASSERT(existingTransition->indexingTypeIncludingHistory() == indexingType);
        return existingTransition;
    }
    
    Structure* transition = create(globalData, structure);
    transition->setPreviousID(globalData, transition, structure);
    transition->m_attributesInPrevious = attributes;
    transition->m_indexingType = indexingType;
    transition->propertyTable().set(globalData, transition, structure->takePropertyTableOrCloneIfPinned(globalData, transition));
    transition->m_offset = structure->m_offset;
    checkOffset(transition->m_offset, transition->inlineCapacity());
    
    structure->m_transitionTable.add(globalData, transition);
    transition->checkOffsetConsistency();
    return transition;
}
/**
 * Gets the index of the attribute with the given qualified name.
 *
 * @param attributePointer to the attribute array
 * @param qName to look for
 * @returns index of attribute with the given uri and local name or -1 if not
 *  found
 */
static jint ExpatAttributes_getIndexForQName(JNIEnv* env, jobject,
        jlong attributePointer, jstring qName) {
    ScopedUtfChars qNameBytes(env, qName);
    if (qNameBytes.c_str() == NULL) {
        return -1;
    }

    const char** attributes = toAttributes(attributePointer);
    int found = -1;
    for (int index = 0; attributes[index * 2]; ++index) {
        if (ExpatElementName(NULL, NULL, attributePointer, index).matchesQName(qNameBytes.c_str())) {
            found = index;
            break;
        }
    }

    return found;
}
コード例 #3
0
ファイル: Structure.cpp プロジェクト: rgabor-dev/webkitnix
Structure* Structure::nonPropertyTransition(JSGlobalData& globalData, Structure* structure, NonPropertyTransition transitionKind)
{
    unsigned attributes = toAttributes(transitionKind);
    IndexingType indexingType = newIndexingType(structure->indexingTypeIncludingHistory(), transitionKind);
    
    if (JSGlobalObject* globalObject = structure->m_globalObject.get()) {
        if (globalObject->isOriginalArrayStructure(structure)) {
            Structure* result = globalObject->originalArrayStructureForIndexingType(indexingType);
            if (result->indexingTypeIncludingHistory() == indexingType) {
                structure->notifyTransitionFromThisStructure();
                return result;
            }
        }
    }
    
    if (Structure* existingTransition = structure->m_transitionTable.get(0, attributes)) {
        ASSERT(existingTransition->m_attributesInPrevious == attributes);
        ASSERT(existingTransition->indexingTypeIncludingHistory() == indexingType);
        return existingTransition;
    }
    
    Structure* transition = create(globalData, structure);
    transition->m_previous.set(globalData, transition, structure);
    transition->m_attributesInPrevious = attributes;
    transition->m_indexingType = indexingType;
    transition->m_offset = structure->m_offset;
    checkOffset(transition->m_offset, transition->inlineCapacity());
    
    if (structure->m_propertyTable) {
        if (structure->m_isPinnedPropertyTable)
            transition->m_propertyTable = structure->m_propertyTable->copy(globalData, transition, structure->m_propertyTable->size() + 1);
        else
            transition->m_propertyTable = structure->m_propertyTable.release();
    } else {
        if (structure->m_previous)
            transition->materializePropertyMap(globalData);
        else
            transition->createPropertyMap();
    }
    
    structure->m_transitionTable.add(globalData, transition);
    return transition;
}
/**
 * Gets the index of the attribute with the given URI and name.
 *
 * @param attributePointer to the attribute array
 * @param uri to look for
 * @param localName to look for
 * @returns index of attribute with the given uri and local name or -1 if not
 *  found
 */
static jint ExpatAttributes_getIndex(JNIEnv* env, jobject, jlong attributePointer,
        jstring uri, jstring localName) {
    ScopedUtfChars uriBytes(env, uri);
    if (uriBytes.c_str() == NULL) {
        return -1;
    }

    ScopedUtfChars localNameBytes(env, localName);
    if (localNameBytes.c_str() == NULL) {
        return -1;
    }

    const char** attributes = toAttributes(attributePointer);
    for (int index = 0; attributes[index * 2]; ++index) {
        if (ExpatElementName(NULL, NULL, attributePointer, index).matches(uriBytes.c_str(),
                localNameBytes.c_str())) {
            return index;
        }
    }
    return -1;
}
 ExpatElementName(JNIEnv* env, ParsingContext* parsingContext, jlong attributePointer, jint index) {
     const char** attributes = toAttributes(attributePointer);
     const char* name = attributes[index * 2];
     init(env, parsingContext, name);
 }
/**
 * Gets the value of the attribute at the given index.
 *
 * @param object Java ExpatParser instance
 * @param attributePointer to the attribute array
 * @param index of the attribute
 * @returns Java string containing attribute's value
 */
static jstring ExpatAttributes_getValueByIndex(JNIEnv* env, jobject,
        jlong attributePointer, jint index) {
    const char** attributes = toAttributes(attributePointer);
    const char* value = attributes[(index * 2) + 1];
    return env->NewStringUTF(value);
}