System::Xml::XmlReader class
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]XmlReader class
Represents a reader that provides fast, noncached, forward-only access to XML data.
class XmlReader : public System::IDisposable
Methods
| Method | Description |
|---|---|
| virtual Close() | When overridden in a derived class, changes the XmlReader::get_ReadState to ReadState::Closed. |
| static Create(const String&) | Creates a new XmlReader instance with specified URI. |
| static Create(const String&, const SharedPtr<XmlReaderSettings>&) | Creates a new XmlReader instance by using the specified URI and settings. |
| static Create(const String&, SharedPtr<XmlReaderSettings>, const SharedPtr<XmlParserContext>&) | Creates a new XmlReader instance by using the specified URI, settings, and context information for parsing. |
| static Create(const SharedPtr<IO::Stream>&) | Creates a new XmlReader instance using the specified stream with default settings. |
| static Create(const SharedPtr<IO::Stream>&, const SharedPtr<XmlReaderSettings>&) | Creates a new XmlReader instance with the specified stream and settings. |
| static Create(const SharedPtr<IO::Stream>&, SharedPtr<XmlReaderSettings>, const String&) | Creates a new XmlReader instance using the specified stream, base URI, and settings. |
| static Create(const SharedPtr<IO::Stream>&, SharedPtr<XmlReaderSettings>, const SharedPtr<XmlParserContext>&) | Creates a new XmlReader instance using the specified stream, settings, and context information for parsing. |
| static Create(const SharedPtr<IO::TextReader>&) | Creates a new XmlReader instance by using the specified text reader. |
| static Create(const SharedPtr<IO::TextReader>&, const SharedPtr<XmlReaderSettings>&) | Creates a new XmlReader instance by using the specified text reader and settings. |
| static Create(const SharedPtr<IO::TextReader>&, SharedPtr<XmlReaderSettings>, const String&) | Creates a new XmlReader instance by using the specified text reader, settings, and base URI. |
| static Create(const SharedPtr<IO::TextReader>&, SharedPtr<XmlReaderSettings>, const SharedPtr<XmlParserContext>&) | Creates a new XmlReader instance by using the specified text reader, settings, and context information for parsing. |
| static Create(const SharedPtr<XmlReader>&, SharedPtr<XmlReaderSettings>) | Creates a new XmlReader instance by using the specified XML reader and settings. |
| Dispose() override | Releases all resources used by the current instance of the XmlReader class. |
| virtual get_AttributeCount() | When overridden in a derived class, gets the number of attributes on the current node. |
| virtual get_BaseURI() | When overridden in a derived class, gets the base URI of the current node. |
| virtual get_CanReadBinaryContent() | Returns a value indicating whether the XmlReader implements the binary content read methods. |
| virtual get_CanReadValueChunk() | Returns a value indicating whether the XmlReader implements the XmlReader::ReadValueChunk method. |
| virtual get_CanResolveEntity() | Returns a value indicating whether this reader can parse and resolve entities. |
| virtual get_Depth() | When overridden in a derived class, gets the depth of the current node in the XML document. |
| virtual get_EOF() | When overridden in a derived class, gets a value indicating whether the reader is positioned at the end of the stream. |
| virtual get_HasAttributes() | Returns a value indicating whether the current node has any attributes. |
| virtual get_HasValue() | When overridden in a derived class, gets a value indicating whether the current node can have a XmlReader::get_Value value. |
| virtual get_IsDefault() | When overridden in a derived class, gets a value indicating whether the current node is an attribute that was generated from the default value defined in the DTD or schema. |
| virtual get_IsEmptyElement() | When overridden in a derived class, gets a value indicating whether the current node is an empty element (for example, |
| virtual get_LocalName() | When overridden in a derived class, gets the local name of the current node. |
| virtual get_Name() | When overridden in a derived class, gets the qualified name of the current node. |
| virtual get_NamespaceURI() | When overridden in a derived class, gets the namespace URI (as defined in the W3C Namespace specification) of the node on which the reader is positioned. |
| virtual get_NameTable() | When overridden in a derived class, gets the XmlNameTable associated with this implementation. |
| virtual get_NodeType() | When overridden in a derived class, gets the type of the current node. |
| virtual get_Prefix() | When overridden in a derived class, gets the namespace prefix associated with the current node. |
| virtual get_QuoteChar() | When overridden in a derived class, gets the quotation mark character used to enclose the value of an attribute node. |
| virtual get_ReadState() | When overridden in a derived class, gets the state of the reader. |
| virtual get_SchemaInfo() | Returns the schema information that has been assigned to the current node as a result of schema validation. |
| virtual get_Settings() | Returns the XmlReaderSettings object used to create this XmlReader instance. |
| virtual get_Value() | When overridden in a derived class, gets the text value of the current node. |
| virtual get_ValueType() | Returns The type for the current node. |
| virtual get_XmlLang() | When overridden in a derived class, gets the current xml:lang scope. |
| virtual get_XmlSpace() | When overridden in a derived class, gets the current xml:space scope. |
| virtual GetAttribute(String) | When overridden in a derived class, gets the value of the attribute with the specified XmlReader::get_Name value. |
| virtual GetAttribute(String, String) | When overridden in a derived class, gets the value of the attribute with the specified XmlReader::get_LocalName and XmlReader::get_NamespaceURI values. |
| virtual GetAttribute(int32_t) | When overridden in a derived class, gets the value of the attribute with the specified index. |
| virtual idx_get(int32_t) | When overridden in a derived class, gets the value of the attribute with the specified index. |
| virtual idx_get(String) | When overridden in a derived class, gets the value of the attribute with the specified XmlReader::get_Name value. |
| virtual idx_get(String, String) | When overridden in a derived class, gets the value of the attribute with the specified XmlReader::get_LocalName and XmlReader::get_NamespaceURI values. |
| static IsName(const String&) | Returns a value indicating whether the string argument is a valid XML name. |
| static IsNameToken(const String&) | Returns a value indicating whether or not the string argument is a valid XML name token. |
| virtual IsStartElement() | Calls XmlReader::MoveToContent and tests if the current content node is a start tag or empty element tag. |
| virtual IsStartElement(String) | Calls XmlReader::MoveToContent and tests if the current content node is a start tag or empty element tag and if the XmlReader::get_Name value of the element found matches the given argument. |
| virtual IsStartElement(String, String) | Calls XmlReader::MoveToContent and tests if the current content node is a start tag or empty element tag and if the XmlReader::get_LocalName and XmlReader::get_NamespaceURI values of the element found match the given strings. |
| virtual LookupNamespace(const String&) | When overridden in a derived class, resolves a namespace prefix in the current element’s scope. |
| virtual MoveToAttribute(String) | When overridden in a derived class, moves to the attribute with the specified XmlReader::get_Name value. |
| virtual MoveToAttribute(String, String) | When overridden in a derived class, moves to the attribute with the specified XmlReader::get_LocalName and XmlReader::get_NamespaceURI values. |
| virtual MoveToAttribute(int32_t) | When overridden in a derived class, moves to the attribute with the specified index. |
| virtual MoveToContent() | Checks whether the current node is a content (non-white space text, CDATA, Element, EndElement, EntityReference, or EndEntity) node. If the node is not a content node, the reader skips ahead to the next content node or end of file. It skips over nodes of the following type: ProcessingInstruction, DocumentType, Comment, Whitespace, or SignificantWhitespace. |
| virtual MoveToElement() | When overridden in a derived class, moves to the element that contains the current attribute node. |
| virtual MoveToFirstAttribute() | When overridden in a derived class, moves to the first attribute. |
| virtual MoveToNextAttribute() | When overridden in a derived class, moves to the next attribute. |
| virtual Read() | When overridden in a derived class, reads the next node from the stream. |
| virtual ReadAttributeValue() | When overridden in a derived class, parses the attribute value into one or more Text, EntityReference, or EndEntity nodes. |
| virtual ReadContentAs(const TypeInfo&, SharedPtr<IXmlNamespaceResolver>) | Reads the content as an object of the type specified. |
| virtual ReadContentAsBase64(ArrayPtr<uint8_t>, int32_t, int32_t) | Reads the content and returns the Base64 decoded binary bytes. |
| virtual ReadContentAsBinHex(ArrayPtr<uint8_t>, int32_t, int32_t) | Reads the content and returns the BinHex decoded binary bytes. |
| virtual ReadContentAsBoolean() | Reads the text content at the current position as a Boolean. |
| virtual ReadContentAsDateTime() | Reads the text content at the current position as a DateTime object. |
| virtual ReadContentAsDateTimeOffset() | Reads the text content at the current position as a DateTimeOffset object. |
| virtual ReadContentAsDecimal() | Reads the text content at the current position as a Decimal object. |
| virtual ReadContentAsDouble() | Reads the text content at the current position as a double-precision floating-point number. |
| virtual ReadContentAsFloat() | Reads the text content at the current position as a single-precision floating point number. |
| virtual ReadContentAsInt() | Reads the text content at the current position as a 32-bit signed integer. |
| virtual ReadContentAsLong() | Reads the text content at the current position as a 64-bit signed integer. |
| virtual ReadContentAsObject() | Reads the text content at the current position as an Object. |
| virtual ReadContentAsString() | Reads the text content at the current position as a String object. |
| virtual ReadElementContentAs(const TypeInfo&, SharedPtr<IXmlNamespaceResolver>) | Reads the element content as the requested type. |
| virtual ReadElementContentAs(const TypeInfo&, SharedPtr<IXmlNamespaceResolver>, String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the element content as the requested type. |
| virtual ReadElementContentAsBase64(ArrayPtr<uint8_t>, int32_t, int32_t) | Reads the element and decodes the Base64 content. |
| virtual ReadElementContentAsBinHex(ArrayPtr<uint8_t>, int32_t, int32_t) | Reads the element and decodes the BinHex content. |
| virtual ReadElementContentAsBoolean() | Reads the current element and returns the contents as a Boolean object. |
| virtual ReadElementContentAsBoolean(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a Boolean object. |
| virtual ReadElementContentAsDateTime() | Reads the current element and returns the contents as a DateTime object. |
| virtual ReadElementContentAsDateTime(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a DateTime object. |
| virtual ReadElementContentAsDecimal() | Reads the current element and returns the contents as a Decimal object. |
| virtual ReadElementContentAsDecimal(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a Decimal object. |
| virtual ReadElementContentAsDouble() | Reads the current element and returns the contents as a double-precision floating-point number. |
| virtual ReadElementContentAsDouble(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a double-precision floating-point number. |
| virtual ReadElementContentAsFloat() | Reads the current element and returns the contents as single-precision floating-point number. |
| virtual ReadElementContentAsFloat(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a single-precision floating-point number. |
| virtual ReadElementContentAsInt() | Reads the current element and returns the contents as a 32-bit signed integer. |
| virtual ReadElementContentAsInt(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a 32-bit signed integer. |
| virtual ReadElementContentAsLong() | Reads the current element and returns the contents as a 64-bit signed integer. |
| virtual ReadElementContentAsLong(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a 64-bit signed integer. |
| virtual ReadElementContentAsObject() | Reads the current element and returns the contents as an Object. |
| virtual ReadElementContentAsObject(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as an Object. |
| virtual ReadElementContentAsString() | Reads the current element and returns the contents as a String object. |
| virtual ReadElementContentAsString(String, String) | Checks that the specified local name and namespace URI matches that of the current element, then reads the current element and returns the contents as a String object. |
| virtual ReadElementString() | Reads a text-only element. However, it is recommended to use the XmlReader::ReadElementContentAsString method instead, because it provides a more straightforward way to handle this operation. |
| virtual ReadElementString(String) | Checks that the XmlReader::get_Name value of the element found matches the given string before reading a text-only element. However, it is recommended to use the XmlReader::ReadElementContentAsString method instead, because it provides a more straightforward way to handle this operation. |
| virtual ReadElementString(String, String) | Checks that the XmlReader::get_LocalName and XmlReader::get_NamespaceURI values of the element found matches the given strings before reading a text-only element. However, it is recommended to use the XmlReader::ReadElementContentAsString method instead, because it provides a more straightforward way to handle this operation. |
| virtual ReadEndElement() | Checks that the current content node is an end tag and advances the reader to the next node. |
| virtual ReadInnerXml() | When overridden in a derived class, reads all the content, including markup, as a string. |
| virtual ReadOuterXml() | When overridden in a derived class, reads the content, including markup, representing this node and all its children. |
| virtual ReadStartElement() | Checks that the current node is an element and advances the reader to the next node. |
| virtual ReadStartElement(String) | Checks that the current content node is an element with the given XmlReader::get_Name value and advances the reader to the next node. |
| virtual ReadStartElement(String, String) | Checks that the current content node is an element with the given XmlReader::get_LocalName and XmlReader::get_NamespaceURI values and advances the reader to the next node. |
| virtual ReadString() | When overridden in a derived class, reads the contents of an element or text node as a string. However, it is recommended to use the XmlReader::ReadElementContentAsString method instead, because it provides a more straightforward way to handle this operation. |
| virtual ReadSubtree() | Returns a new XmlReader instance that can be used to read the current node, and all its descendants. |
| virtual ReadToDescendant(String) | Advances the XmlReader to the next descendant element with the specified qualified name. |
| virtual ReadToDescendant(String, String) | Advances the XmlReader to the next descendant element with the specified local name and namespace URI. |
| virtual ReadToFollowing(String) | Reads until an element with the specified qualified name is found. |
| virtual ReadToFollowing(String, String) | Reads until an element with the specified local name and namespace URI is found. |
| virtual ReadToNextSibling(String) | Advances the XmlReader to the next sibling element with the specified qualified name. |
| virtual ReadToNextSibling(String, String) | Advances the XmlReader to the next sibling element with the specified local name and namespace URI. |
| virtual ReadValueChunk(ArrayPtr<char16_t>, int32_t, int32_t) | Reads large streams of text embedded in an XML document. |
| virtual ResolveEntity() | When overridden in a derived class, resolves the entity reference for EntityReference nodes. |
| virtual Skip() | Skips the children of the current node. |
Typedefs
| Typedef | Description |
|---|---|
| Ptr | An alias for shared pointer to an instance of this class. |
See Also
- Class IDisposable
- Namespace System::Xml
- Library Aspose.PDF for C++