/*
 * Copyright (C) 2010 Nikolay Sivov
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "unknwn.idl";
import "objidl.idl";
import "oaidl.idl";

typedef enum XmlNodeType {
    XmlNodeType_None                  = 0,
    XmlNodeType_Element               = 1,
    XmlNodeType_Attribute             = 2,
    XmlNodeType_Text                  = 3,
    XmlNodeType_CDATA                 = 4,
    XmlNodeType_ProcessingInstruction = 7,
    XmlNodeType_Comment               = 8,
    XmlNodeType_DocumentType          = 10,
    XmlNodeType_Whitespace            = 13,
    XmlNodeType_EndElement            = 15,
    XmlNodeType_XmlDeclaration        = 17,
    _XmlNodeType_Last                 = 17
} XmlNodeType;

/* IXmlReader */
[
  local,
  object,
  uuid(7279fc81-709d-4095-b63d-69fe4b0d9030),
  pointer_default(unique)
]
interface IXmlReader : IUnknown
{
    HRESULT SetInput( [in] IUnknown *input);
    HRESULT GetProperty( [in] UINT property, [out] LONG_PTR *value);
    HRESULT SetProperty( [in] UINT property, [in] LONG_PTR value);
    HRESULT Read( [out] XmlNodeType *node_type);
    HRESULT GetNodeType( [out] XmlNodeType *node_type);
    HRESULT MoveToFirstAttribute(void);
    HRESULT MoveToNextAttribute(void);
    HRESULT MoveToAttributeByName( [in] LPCWSTR local_name,
                                   [in] LPCWSTR namespaceUri);
    HRESULT MoveToElement(void);
    HRESULT GetQualifiedName( [out] LPCWSTR *qualifiedName,
                              [out] UINT *qualifiedName_length);
    HRESULT GetNamespaceUri( [out] LPCWSTR *namespaceUri,
                             [out] UINT *nnamespaceUri_length);
    HRESULT GetLocalName( [out] LPCWSTR *local_name,
                          [out] UINT *locale_name_length);
    HRESULT GetPrefix( [out] LPCWSTR *prefix,
                       [out] UINT *prefix_length);
    HRESULT GetValue( [out] LPCWSTR *value,
                      [out] UINT *value_length);
    HRESULT ReadValueChunk( [out] WCHAR *buffer,
                            [in]  UINT chunk_size,
                            [in,out] UINT *read);
    HRESULT GetBaseUri( [out] LPCWSTR *baseUri,
                        [out] UINT *baseUri_length);
    BOOL IsDefault(void);
    BOOL IsEmptyElement(void);
    HRESULT GetLineNumber( [out] UINT *lineNumber);
    HRESULT GetLinePosition( [out] UINT *linePosition);
    HRESULT GetAttributeCount( [out] UINT *attributeCount);
    HRESULT GetDepth( [out] UINT *depth);
    BOOL IsEOF(void);
}

/* IXmlReader state */
cpp_quote("typedef enum XmlReadState")
cpp_quote("{")
cpp_quote("    XmlReadState_Initial     = 0,")
cpp_quote("    XmlReadState_Interactive = 1,")
cpp_quote("    XmlReadState_Error       = 2,")
cpp_quote("    XmlReadState_EndOfFile   = 3,")
cpp_quote("    XmlReadState_Closed      = 4")
cpp_quote("} XmlReadState;")

/* IXmlReader properties */
cpp_quote("typedef enum XmlReaderProperty")
cpp_quote("{")
cpp_quote("    XmlReaderProperty_MultiLanguage      = 0,")
cpp_quote("    XmlReaderProperty_ConformanceLevel   = XmlReaderProperty_MultiLanguage + 1,")
cpp_quote("    XmlReaderProperty_RandomAccess       = XmlReaderProperty_ConformanceLevel + 1,")
cpp_quote("    XmlReaderProperty_XmlResolver        = XmlReaderProperty_RandomAccess + 1,")
cpp_quote("    XmlReaderProperty_DtdProcessing      = XmlReaderProperty_XmlResolver + 1,")
cpp_quote("    XmlReaderProperty_ReadState          = XmlReaderProperty_DtdProcessing + 1,")
cpp_quote("    XmlReaderProperty_MaxElementDepth    = XmlReaderProperty_ReadState + 1,")
cpp_quote("    XmlReaderProperty_MaxEntityExpansion = XmlReaderProperty_MaxElementDepth + 1,")
cpp_quote("    _XmlReaderProperty_Last              = XmlReaderProperty_MaxEntityExpansion")
cpp_quote("} XmlReaderProperty;")

/* IXmlReader construction */
cpp_quote("STDAPI CreateXmlReader(REFIID riid, void **ppvObject, IMalloc *pMalloc);")

cpp_quote("typedef IUnknown IXmlReaderInput;")
cpp_quote("STDAPI CreateXmlReaderInputWithEncodingName(IUnknown *stream, IMalloc *pMalloc,")
cpp_quote("                                            LPCWSTR encoding, BOOL hint,")
cpp_quote("                                            LPCWSTR base_uri, IXmlReaderInput **ppInput);")