Class: RXerces::XML::Node

Inherits:
Object
  • Object
show all
Defined in:
ext/rxerces/rxerces.cpp

Direct Known Subclasses

Element, Text

Instance Method Summary collapse

Instance Method Details

#[](attr_name) ⇒ Object

node



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# File 'ext/rxerces/rxerces.cpp', line 380

static VALUE node_get_attribute(VALUE self, VALUE attr_name) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node || wrapper->node->getNodeType() != DOMNode::ELEMENT_NODE) {
        return Qnil;
    }

    Check_Type(attr_name, T_STRING);
    const char* attr_str = StringValueCStr(attr_name);

    DOMElement* element = dynamic_cast<DOMElement*>(wrapper->node);
    const XMLCh* value = element->getAttribute(XStr(attr_str).unicodeForm());

    if (!value || XMLString::stringLen(value) == 0) {
        return Qnil;
    }

    CharStr utf8_value(value);
    return rb_str_new_cstr(utf8_value.localForm());
}

#[]=(attr_name, attr_value) ⇒ Object

node = value



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# File 'ext/rxerces/rxerces.cpp', line 403

static VALUE node_set_attribute(VALUE self, VALUE attr_name, VALUE attr_value) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node || wrapper->node->getNodeType() != DOMNode::ELEMENT_NODE) {
        return Qnil;
    }

    Check_Type(attr_name, T_STRING);
    Check_Type(attr_value, T_STRING);

    const char* attr_str = StringValueCStr(attr_name);
    const char* value_str = StringValueCStr(attr_value);

    DOMElement* element = dynamic_cast<DOMElement*>(wrapper->node);
    element->setAttribute(XStr(attr_str).unicodeForm(), XStr(value_str).unicodeForm());

    return attr_value;
}

#children ⇒ Object

node.children



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# File 'ext/rxerces/rxerces.cpp', line 424

static VALUE node_children(VALUE self) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    VALUE doc_ref = rb_iv_get(self, "@document");
    VALUE children = rb_ary_new();

    if (!wrapper->node) {
        return children;
    }

    DOMNodeList* child_nodes = wrapper->node->getChildNodes();
    XMLSize_t count = child_nodes->getLength();

    for (XMLSize_t i = 0; i < count; i++) {
        DOMNode* child = child_nodes->item(i);
        rb_ary_push(children, wrap_node(child, doc_ref));
    }

    return children;
}

#content ⇒ Object

node.text / node.content



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# File 'ext/rxerces/rxerces.cpp', line 345

static VALUE node_text(VALUE self) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node) {
        return rb_str_new_cstr("");
    }

    const XMLCh* content = wrapper->node->getTextContent();
    if (!content) {
        return rb_str_new_cstr("");
    }

    CharStr utf8_content(content);
    return rb_str_new_cstr(utf8_content.localForm());
}

#content=(text) ⇒ Object

node.text = value



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# File 'ext/rxerces/rxerces.cpp', line 363

static VALUE node_text_set(VALUE self, VALUE text) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node) {
        return Qnil;
    }

    Check_Type(text, T_STRING);
    const char* text_str = StringValueCStr(text);

    wrapper->node->setTextContent(XStr(text_str).unicodeForm());

    return text;
}

#name ⇒ Object

node.name



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# File 'ext/rxerces/rxerces.cpp', line 330

static VALUE node_name(VALUE self) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node) {
        return Qnil;
    }

    const XMLCh* name = wrapper->node->getNodeName();
    CharStr utf8_name(name);

    return rb_str_new_cstr(utf8_name.localForm());
}

#text ⇒ Object

node.text / node.content



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# File 'ext/rxerces/rxerces.cpp', line 345

static VALUE node_text(VALUE self) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node) {
        return rb_str_new_cstr("");
    }

    const XMLCh* content = wrapper->node->getTextContent();
    if (!content) {
        return rb_str_new_cstr("");
    }

    CharStr utf8_content(content);
    return rb_str_new_cstr(utf8_content.localForm());
}

#text=(text) ⇒ Object

node.text = value



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# File 'ext/rxerces/rxerces.cpp', line 363

static VALUE node_text_set(VALUE self, VALUE text) {
    NodeWrapper* wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, wrapper);

    if (!wrapper->node) {
        return Qnil;
    }

    Check_Type(text, T_STRING);
    const char* text_str = StringValueCStr(text);

    wrapper->node->setTextContent(XStr(text_str).unicodeForm());

    return text;
}

#xpath(path) ⇒ Object

node.xpath(path)



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# File 'ext/rxerces/rxerces.cpp', line 447

static VALUE node_xpath(VALUE self, VALUE path) {
    NodeWrapper* node_wrapper;
    TypedData_Get_Struct(self, NodeWrapper, &node_type, node_wrapper);

    if (!node_wrapper->node) {
        NodeSetWrapper* wrapper = ALLOC(NodeSetWrapper);
        wrapper->nodes_array = rb_ary_new();
        return TypedData_Wrap_Struct(rb_cNodeSet, &nodeset_type, wrapper);
    }

    Check_Type(path, T_STRING);
    const char* xpath_str = StringValueCStr(path);
    VALUE doc_ref = rb_iv_get(self, "@document");

    try {
        DOMDocument* doc = node_wrapper->node->getOwnerDocument();
        if (!doc) {
            NodeSetWrapper* wrapper = ALLOC(NodeSetWrapper);
            wrapper->nodes_array = rb_ary_new();
            return TypedData_Wrap_Struct(rb_cNodeSet, &nodeset_type, wrapper);
        }

        DOMXPathNSResolver* resolver = doc->createNSResolver(node_wrapper->node);
        DOMXPathExpression* expression = doc->createExpression(
            XStr(xpath_str).unicodeForm(), resolver);

        DOMXPathResult* result = expression->evaluate(
            node_wrapper->node,
            DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
            NULL);

        VALUE nodes_array = rb_ary_new();
        XMLSize_t length = result->getSnapshotLength();

        for (XMLSize_t i = 0; i < length; i++) {
            result->snapshotItem(i);
            DOMNode* node = result->getNodeValue();
            if (node) {
                rb_ary_push(nodes_array, wrap_node(node, doc_ref));
            }
        }

        expression->release();
        resolver->release();
        result->release();

        NodeSetWrapper* wrapper = ALLOC(NodeSetWrapper);
        wrapper->nodes_array = nodes_array;
        return TypedData_Wrap_Struct(rb_cNodeSet, &nodeset_type, wrapper);

    } catch (const DOMXPathException& e) {
        CharStr message(e.getMessage());
        rb_raise(rb_eRuntimeError, "XPath error: %s", message.localForm());
    } catch (const DOMException& e) {
        CharStr message(e.getMessage());
        rb_raise(rb_eRuntimeError, "DOM error: %s", message.localForm());
    } catch (...) {
        rb_raise(rb_eRuntimeError, "Unknown XPath error");
    }

    NodeSetWrapper* wrapper = ALLOC(NodeSetWrapper);
    wrapper->nodes_array = rb_ary_new();
    return TypedData_Wrap_Struct(rb_cNodeSet, &nodeset_type, wrapper);
}