servo/ports/cef/interfaces/cef_xml_reader.rs
2016-08-28 13:45:03 +02:00

858 lines
26 KiB
Rust

// Copyright (c) 2015 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not be edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
#![allow(non_snake_case, unused_imports)]
use eutil;
use interfaces;
use types;
use wrappers::CefWrap;
use libc;
use std::collections::HashMap;
use std::mem;
use std::ptr;
//
// Structure that supports the reading of XML data via the libxml streaming API.
// The functions of this structure should only be called on the thread that
// creates the object.
//
#[repr(C)]
pub struct _cef_xml_reader_t {
//
// Base structure.
//
pub base: types::cef_base_t,
//
// Moves the cursor to the next node in the document. This function must be
// called at least once to set the current cursor position. Returns true (1)
// if the cursor position was set successfully.
//
pub move_to_next_node: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Close the document. This should be called directly to ensure that cleanup
// occurs on the correct thread.
//
pub close: Option<extern "C" fn(this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Returns true (1) if an error has been reported by the XML parser.
//
pub has_error: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Returns the error string.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_error: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
// The below functions retrieve data for the node at the current cursor
// position.
//
// Returns the node type.
//
pub get_type: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_xml_node_type_t>,
//
// Returns the node depth. Depth starts at 0 for the root node.
//
pub get_depth: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Returns the local name. See http://www.w3.org/TR/REC-xml-names/#NT-
// LocalPart for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_local_name: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns the namespace prefix. See http://www.w3.org/TR/REC-xml-names/ for
// additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_prefix: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns the qualified name, equal to (Prefix:)LocalName. See
// http://www.w3.org/TR/REC-xml-names/#ns-qualnames for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_qualified_name: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns the URI defining the namespace associated with the node. See
// http://www.w3.org/TR/REC-xml-names/ for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_namespace_uri: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns the base URI of the node. See http://www.w3.org/TR/xmlbase/ for
// additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_base_uri: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns the xml:lang scope within which the node resides. See
// http://www.w3.org/TR/REC-xml/#sec-lang-tag for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_xml_lang: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns true (1) if the node represents an NULL element. <a/> is considered
// NULL but <a></a> is not.
//
pub is_empty_element: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Returns true (1) if the node has a text value.
//
pub has_value: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Returns the text value.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_value: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns true (1) if the node has attributes.
//
pub has_attributes: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Returns the number of attributes.
//
pub get_attribute_count: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::size_t>,
//
// Returns the value of the attribute at the specified 0-based index.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_attribute_byindex: Option<extern "C" fn(this: *mut cef_xml_reader_t,
index: libc::c_int) -> types::cef_string_userfree_t>,
//
// Returns the value of the attribute with the specified qualified name.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_attribute_byqname: Option<extern "C" fn(this: *mut cef_xml_reader_t,
qualifiedName: *const types::cef_string_t) -> types::cef_string_userfree_t>,
//
// Returns the value of the attribute with the specified local name and
// namespace URI.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_attribute_bylname: Option<extern "C" fn(this: *mut cef_xml_reader_t,
localName: *const types::cef_string_t,
namespaceURI: *const types::cef_string_t) -> types::cef_string_userfree_t>,
//
// Returns an XML representation of the current node's children.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_inner_xml: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns an XML representation of the current node including its children.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub get_outer_xml: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> types::cef_string_userfree_t>,
//
// Returns the line number for the current node.
//
pub get_line_number: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
// Attribute nodes are not traversed by default. The below functions can be
// used to move the cursor to an attribute node. move_to_carrying_element()
// can be called afterwards to return the cursor to the carrying element. The
// depth of an attribute node will be 1 + the depth of the carrying element.
//
// Moves the cursor to the attribute at the specified 0-based index. Returns
// true (1) if the cursor position was set successfully.
//
pub move_to_attribute_byindex: Option<extern "C" fn(
this: *mut cef_xml_reader_t, index: libc::c_int) -> libc::c_int>,
//
// Moves the cursor to the attribute with the specified qualified name.
// Returns true (1) if the cursor position was set successfully.
//
pub move_to_attribute_byqname: Option<extern "C" fn(
this: *mut cef_xml_reader_t,
qualifiedName: *const types::cef_string_t) -> libc::c_int>,
//
// Moves the cursor to the attribute with the specified local name and
// namespace URI. Returns true (1) if the cursor position was set
// successfully.
//
pub move_to_attribute_bylname: Option<extern "C" fn(
this: *mut cef_xml_reader_t, localName: *const types::cef_string_t,
namespaceURI: *const types::cef_string_t) -> libc::c_int>,
//
// Moves the cursor to the first attribute in the current element. Returns
// true (1) if the cursor position was set successfully.
//
pub move_to_first_attribute: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Moves the cursor to the next attribute in the current element. Returns true
// (1) if the cursor position was set successfully.
//
pub move_to_next_attribute: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// Moves the cursor back to the carrying element. Returns true (1) if the
// cursor position was set successfully.
//
pub move_to_carrying_element: Option<extern "C" fn(
this: *mut cef_xml_reader_t) -> libc::c_int>,
//
// The reference count. This will only be present for Rust instances!
//
pub ref_count: u32,
//
// Extra data. This will only be present for Rust instances!
//
pub extra: u8,
}
pub type cef_xml_reader_t = _cef_xml_reader_t;
//
// Structure that supports the reading of XML data via the libxml streaming API.
// The functions of this structure should only be called on the thread that
// creates the object.
//
pub struct CefXmlReader {
c_object: *mut cef_xml_reader_t,
}
impl Clone for CefXmlReader {
fn clone(&self) -> CefXmlReader{
unsafe {
if !self.c_object.is_null() {
((*self.c_object).base.add_ref.unwrap())(&mut (*self.c_object).base);
}
CefXmlReader {
c_object: self.c_object,
}
}
}
}
impl Drop for CefXmlReader {
fn drop(&mut self) {
unsafe {
if !self.c_object.is_null() {
((*self.c_object).base.release.unwrap())(&mut (*self.c_object).base);
}
}
}
}
impl CefXmlReader {
pub unsafe fn from_c_object(c_object: *mut cef_xml_reader_t) -> CefXmlReader {
CefXmlReader {
c_object: c_object,
}
}
pub unsafe fn from_c_object_addref(c_object: *mut cef_xml_reader_t) -> CefXmlReader {
if !c_object.is_null() {
((*c_object).base.add_ref.unwrap())(&mut (*c_object).base);
}
CefXmlReader {
c_object: c_object,
}
}
pub fn c_object(&self) -> *mut cef_xml_reader_t {
self.c_object
}
pub fn c_object_addrefed(&self) -> *mut cef_xml_reader_t {
unsafe {
if !self.c_object.is_null() {
eutil::add_ref(self.c_object as *mut types::cef_base_t);
}
self.c_object
}
}
pub fn is_null_cef_object(&self) -> bool {
self.c_object.is_null()
}
pub fn is_not_null_cef_object(&self) -> bool {
!self.c_object.is_null()
}
//
// Moves the cursor to the next node in the document. This function must be
// called at least once to set the current cursor position. Returns true (1)
// if the cursor position was set successfully.
//
pub fn move_to_next_node(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_next_node.unwrap())(
self.c_object))
}
}
//
// Close the document. This should be called directly to ensure that cleanup
// occurs on the correct thread.
//
pub fn close(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).close.unwrap())(
self.c_object))
}
}
//
// Returns true (1) if an error has been reported by the XML parser.
//
pub fn has_error(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).has_error.unwrap())(
self.c_object))
}
}
//
// Returns the error string.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_error(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_error.unwrap())(
self.c_object))
}
}
// The below functions retrieve data for the node at the current cursor
// position.
//
// Returns the node type.
//
pub fn get_type(&self) -> types::cef_xml_node_type_t {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_type.unwrap())(
self.c_object))
}
}
//
// Returns the node depth. Depth starts at 0 for the root node.
//
pub fn get_depth(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_depth.unwrap())(
self.c_object))
}
}
//
// Returns the local name. See http://www.w3.org/TR/REC-xml-names/#NT-
// LocalPart for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_local_name(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_local_name.unwrap())(
self.c_object))
}
}
//
// Returns the namespace prefix. See http://www.w3.org/TR/REC-xml-names/ for
// additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_prefix(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_prefix.unwrap())(
self.c_object))
}
}
//
// Returns the qualified name, equal to (Prefix:)LocalName. See
// http://www.w3.org/TR/REC-xml-names/#ns-qualnames for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_qualified_name(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_qualified_name.unwrap())(
self.c_object))
}
}
//
// Returns the URI defining the namespace associated with the node. See
// http://www.w3.org/TR/REC-xml-names/ for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_namespace_uri(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_namespace_uri.unwrap())(
self.c_object))
}
}
//
// Returns the base URI of the node. See http://www.w3.org/TR/xmlbase/ for
// additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_base_uri(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_base_uri.unwrap())(
self.c_object))
}
}
//
// Returns the xml:lang scope within which the node resides. See
// http://www.w3.org/TR/REC-xml/#sec-lang-tag for additional details.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_xml_lang(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_xml_lang.unwrap())(
self.c_object))
}
}
//
// Returns true (1) if the node represents an NULL element. <a/> is considered
// NULL but <a></a> is not.
//
pub fn is_empty_element(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).is_empty_element.unwrap())(
self.c_object))
}
}
//
// Returns true (1) if the node has a text value.
//
pub fn has_value(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).has_value.unwrap())(
self.c_object))
}
}
//
// Returns the text value.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_value(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_value.unwrap())(
self.c_object))
}
}
//
// Returns true (1) if the node has attributes.
//
pub fn has_attributes(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).has_attributes.unwrap())(
self.c_object))
}
}
//
// Returns the number of attributes.
//
pub fn get_attribute_count(&self) -> libc::size_t {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_attribute_count.unwrap())(
self.c_object))
}
}
//
// Returns the value of the attribute at the specified 0-based index.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_attribute_byindex(&self, index: libc::c_int) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_attribute_byindex.unwrap())(
self.c_object,
CefWrap::to_c(index)))
}
}
//
// Returns the value of the attribute with the specified qualified name.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_attribute_byqname(&self, qualifiedName: &[u16]) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_attribute_byqname.unwrap())(
self.c_object,
CefWrap::to_c(qualifiedName)))
}
}
//
// Returns the value of the attribute with the specified local name and
// namespace URI.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_attribute_bylname(&self, localName: &[u16],
namespaceURI: &[u16]) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_attribute_bylname.unwrap())(
self.c_object,
CefWrap::to_c(localName),
CefWrap::to_c(namespaceURI)))
}
}
//
// Returns an XML representation of the current node's children.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_inner_xml(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_inner_xml.unwrap())(
self.c_object))
}
}
//
// Returns an XML representation of the current node including its children.
//
// The resulting string must be freed by calling cef_string_userfree_free().
pub fn get_outer_xml(&self) -> String {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_outer_xml.unwrap())(
self.c_object))
}
}
//
// Returns the line number for the current node.
//
pub fn get_line_number(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).get_line_number.unwrap())(
self.c_object))
}
}
// Attribute nodes are not traversed by default. The below functions can be
// used to move the cursor to an attribute node. move_to_carrying_element()
// can be called afterwards to return the cursor to the carrying element. The
// depth of an attribute node will be 1 + the depth of the carrying element.
//
// Moves the cursor to the attribute at the specified 0-based index. Returns
// true (1) if the cursor position was set successfully.
//
pub fn move_to_attribute_byindex(&self, index: libc::c_int) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_attribute_byindex.unwrap())(
self.c_object,
CefWrap::to_c(index)))
}
}
//
// Moves the cursor to the attribute with the specified qualified name.
// Returns true (1) if the cursor position was set successfully.
//
pub fn move_to_attribute_byqname(&self,
qualifiedName: &[u16]) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_attribute_byqname.unwrap())(
self.c_object,
CefWrap::to_c(qualifiedName)))
}
}
//
// Moves the cursor to the attribute with the specified local name and
// namespace URI. Returns true (1) if the cursor position was set
// successfully.
//
pub fn move_to_attribute_bylname(&self, localName: &[u16],
namespaceURI: &[u16]) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_attribute_bylname.unwrap())(
self.c_object,
CefWrap::to_c(localName),
CefWrap::to_c(namespaceURI)))
}
}
//
// Moves the cursor to the first attribute in the current element. Returns
// true (1) if the cursor position was set successfully.
//
pub fn move_to_first_attribute(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_first_attribute.unwrap())(
self.c_object))
}
}
//
// Moves the cursor to the next attribute in the current element. Returns true
// (1) if the cursor position was set successfully.
//
pub fn move_to_next_attribute(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_next_attribute.unwrap())(
self.c_object))
}
}
//
// Moves the cursor back to the carrying element. Returns true (1) if the
// cursor position was set successfully.
//
pub fn move_to_carrying_element(&self) -> libc::c_int {
if self.c_object.is_null() {
panic!("called a CEF method on a null object")
}
unsafe {
CefWrap::to_rust(
((*self.c_object).move_to_carrying_element.unwrap())(
self.c_object))
}
}
//
// Create a new cef_xml_reader_t object. The returned object's functions can
// only be called from the thread that created the object.
//
pub fn create(stream: interfaces::CefStreamReader,
encodingType: types::cef_xml_encoding_type_t,
URI: &[u16]) -> interfaces::CefXmlReader {
unsafe {
CefWrap::to_rust(
::xml_reader::cef_xml_reader_create(
CefWrap::to_c(stream),
CefWrap::to_c(encodingType),
CefWrap::to_c(URI)))
}
}
}
impl CefWrap<*mut cef_xml_reader_t> for CefXmlReader {
fn to_c(rust_object: CefXmlReader) -> *mut cef_xml_reader_t {
rust_object.c_object_addrefed()
}
unsafe fn to_rust(c_object: *mut cef_xml_reader_t) -> CefXmlReader {
CefXmlReader::from_c_object_addref(c_object)
}
}
impl CefWrap<*mut cef_xml_reader_t> for Option<CefXmlReader> {
fn to_c(rust_object: Option<CefXmlReader>) -> *mut cef_xml_reader_t {
match rust_object {
None => ptr::null_mut(),
Some(rust_object) => rust_object.c_object_addrefed(),
}
}
unsafe fn to_rust(c_object: *mut cef_xml_reader_t) -> Option<CefXmlReader> {
if c_object.is_null() {
None
} else {
Some(CefXmlReader::from_c_object_addref(c_object))
}
}
}