NodeCfg.cc
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/**
* NodeCfg.cc
*
* Created on: 22 oct. 2012
* Author: AKKA IS
*/
#include <iostream>
#include <sstream>
#include <string>
#include <boost/algorithm/string.hpp>
using namespace std;
using namespace boost;
#include <libxml/parser.h>
#include <libxml/xmlstring.h>
#include <libxml/xmlschemas.h>
#include "Config.hh"
#include "Constant.hh"
#include "NodeCfg.hh"
namespace AMDA
{
namespace XMLConfigurator
{
//TODO Push log into log4cxx http://stackoverflow.com/questions/12107423/libxml2-get-validation-errors
//http://xml.developpez.com/telecharger/detail/id/2561/Comment-valider-un-XML-via-un-XSD-en-C-avec-libXML2
//http://knol2share.blogspot.fr/2009/05/validate-xml-against-xsd-in-c.html
//http://wiki.njh.eu/XML-Schema_validation_with_libxml2
int NodeCfg::getIsValid(const xmlNodePtr elem, const char *schema_filename)
{
xmlDocPtr schema_doc = xmlReadFile(schema_filename, NULL, XML_PARSE_NONET);
if (schema_doc == NULL)
{
std::cerr << "the schema cannot be loaded or is not well-formed" << std::endl;
return -1;
}
xmlSchemaParserCtxtPtr parser_ctxt = xmlSchemaNewDocParserCtxt(schema_doc);
if (parser_ctxt == NULL)
{
std::cerr << "unable to create a parser context for the schema" << std::endl;
xmlFreeDoc(schema_doc);
return -2;
}
xmlSchemaPtr schema = xmlSchemaParse(parser_ctxt);
if (schema == NULL)
{
std::cerr << "the schema itself is not valid" << std::endl;
xmlSchemaFreeParserCtxt(parser_ctxt);
xmlFreeDoc(schema_doc);
return -3;
}
xmlSchemaValidCtxtPtr valid_ctxt = xmlSchemaNewValidCtxt(schema);
if (valid_ctxt == NULL)
{
std::cerr << "unable to create a validation context for the schema" << std::endl;
xmlSchemaFree(schema);
xmlSchemaFreeParserCtxt(parser_ctxt);
xmlFreeDoc(schema_doc);
return -4;
}
int is_valid = (xmlSchemaValidateOneElement(valid_ctxt, elem) == 0);
xmlSchemaFreeValidCtxt(valid_ctxt);
xmlSchemaFree(schema);
xmlSchemaFreeParserCtxt(parser_ctxt);
xmlFreeDoc(schema_doc);
/* force the return value to be non-negative on success */
return is_valid ? 1 : 0;
}
void NodeGrpCfg::proceed(xmlNodePtr pNode, const AMDA::Parameters::CfgContext& pCtx)
{
xmlNodePtr lNode = pNode->xmlChildrenNode;
while (lNode)
{
if ( xmlStrcmp(lNode->name, (const xmlChar *) "text") != 0)
{
CfgChildList::iterator it = _cfgChildList.find( std::string((const char*) lNode->name));
if (it != _cfgChildList.end())
{
it->second->proceed(lNode, pCtx);
}
else
{
LOG4CXX_WARN( gLogger, WARNING_NODE_NOT_SUPPORTED << (const char*) lNode->name);
}
}
lNode = lNode->next;
}
}
void NodeGrpCfg::addNodeParser( const char* pXPath, NodeCfgSPtr pNode) {
addNodeParser( &_cfgChildList, pXPath, pNode);
}
void NodeGrpCfg::addNodeParser( CfgChildList* lChildList, const char* pXPath, NodeCfgSPtr pNode) {
std::string lXPath = pXPath;
NodeGrpCfg* lCurNode = NULL;
std::vector <std::string> fields;
boost::split( fields, lXPath, boost::is_any_of( "/" ) );
int lNbField = fields.size();
bool cont = true;
for (int i = 0; cont && i < lNbField; ++i) {
if ( (i+1) == lNbField) {
(*lChildList)[fields[i]]=pNode;
cont=false;
} else {
if((lCurNode = dynamic_cast<NodeGrpCfg*>((*lChildList)[fields[i]].get()))) {
lChildList = &lCurNode->getChildList();
} else {
ERROR_EXCEPTION( "XMLParameterConfigurator::addNode not found group node: " << fields[i]);
}
}
}
}
} /* namespace XMLConfigurator */
} /* namespace AMDA */