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//
// 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 NVIDIA CORPORATION 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 ``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.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.
#ifndef MI_FAST_XML_H
#define MI_FAST_XML_H
#include "MiPlatformConfig.h"
#include "MiFileBuf.h" // defines the basic file stream interface.
namespace mimp
{
class FastXml
{
public:
/***
* Callbacks to the user with the contents of the XML file properly digested.
*/
class Callback
{
public:
virtual bool processComment(const char *comment) = 0; // encountered a comment in the XML
// 'element' is the name of the element that is being closed.
// depth is the recursion depth of this element.
// Return true to continue processing the XML file.
// Return false to stop processing the XML file; leaves the read pointer of the stream right after this close tag.
// The bool 'isError' indicates whether processing was stopped due to an error, or intentionally canceled early.
virtual bool processClose(const char *element,MiU32 depth,bool &isError) = 0; // process the 'close' indicator for a previously encountered element
// return true to continue processing the XML document, false to skip.
virtual bool processElement(
const char *elementName, // name of the element
MiI32 argc, // number of attributes pairs
const char **argv, // list of attributes.
const char *elementData, // element data, null if none
MiI32 lineno) = 0; // line number in the source XML file
// process the XML declaration header
virtual bool processXmlDeclaration(
MiI32 /*argc*/,
const char ** /*argv*/,
const char * /*elementData*/,
MiI32 /*lineno*/)
{
return true;
}
virtual bool processDoctype(
const char * /*rootElement*/, //Root element tag
const char * /*type*/, //SYSTEM or PUBLIC
const char * /*fpi*/, //Formal Public Identifier
const char * /*uri*/) //Path to schema file
{
return true;
}
virtual void * fastxml_malloc(MiU32 size) = 0;
virtual void fastxml_free(void *mem) = 0;
};
virtual bool processXml(MiFileBuf &buff,bool streamFromMemory=false) = 0;
virtual const char *getError(MiI32 &lineno) = 0; // report the reason for a parsing error, and the line number where it occurred.
virtual void release(void) = 0;
};
const char *getAttribute(const char *attr, MiI32 argc, const char **argv);
FastXml * createFastXml(FastXml::Callback *iface);
}; // end of namespace mimp
#endif // FAST_XML_H
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