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XML interface polish, XML fragments can be pushed into a writer

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This commit is contained in:
Antonin Portelli
2018-04-06 18:32:14 +01:00
parent eddf023b8a
commit 1569a374a9
3 changed files with 48 additions and 43 deletions
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65
lib/serialisation/XmlIO.cc
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@@ -31,6 +31,17 @@ Author: paboyle <paboyle@ph.ed.ac.uk>
using namespace Grid;
using namespace std;
void Grid::xmlCheckParse(const pugi::xml_parse_result &result, const std::string name)
{
if (!result)
{
std::cerr << "XML parsing error for " << name << std::endl;
std::cerr << "XML error description: " << result.description() << std::endl;
std::cerr << "XML error offset : " << result.offset << std::endl;
abort();
}
}
// Writer implementation ///////////////////////////////////////////////////////
XmlWriter::XmlWriter(const string &fileName, string toplev) : fileName_(fileName)
{
@@ -56,7 +67,14 @@ void XmlWriter::push(const string &s)
void XmlWriter::pushXmlString(const std::string &s)
{
pugi::xml_document doc;
auto result = doc.load_buffer(s.c_str(), s.size());
xmlCheckParse(result, "fragment\n'" + s +"'");
for (pugi::xml_node child = doc.first_child(); child; child = child.next_sibling())
{
node_ = node_.append_copy(child);
}
}
void XmlWriter::pop(void)
@@ -71,8 +89,23 @@ std::string XmlWriter::XmlString(void)
}
// Reader implementation ///////////////////////////////////////////////////////
void XmlReader::initDoc(const std::string &toplev)
XmlReader::XmlReader(const std::string &s, const bool isBuffer,
std::string toplev)
{
pugi::xml_parse_result result;
if (isBuffer)
{
fileName_ = "<string>";
result = doc_.load_string(s.c_str());
xmlCheckParse(result, "string\n'" + s + "'");
}
else
{
fileName_ = s;
result = doc_.load_file(s.c_str());
xmlCheckParse(result, "file '" + fileName_ + "'");
}
if ( toplev == std::string("") ) {
node_ = doc_;
} else {
@@ -80,36 +113,6 @@ void XmlReader::initDoc(const std::string &toplev)
}
}
XmlReader::XmlReader(const char *xmlstring, const std::string toplev)
: fileName_("")
{
auto result = doc_.load_string(xmlstring);
if ( !result ) {
std::cerr << "XML error description (from char *): "
<< result.description() << "\nXML\n"<< xmlstring << "\n";
std::cerr << "XML error offset (from char *) "
<< result.offset << "\nXML\n"<< xmlstring << std::endl;
abort();
}
initDoc(toplev);
}
XmlReader::XmlReader(const std::string &fileName, std::string toplev)
: fileName_(fileName)
{
auto result = doc_.load_file(fileName_.c_str());
if ( !result ) {
std::cerr << "XML error description: "
<< result.description() <<" "<< fileName_ <<"\n";
std::cerr << "XML error offset : "
<< result.offset <<" "<< fileName_ << std::endl;
abort();
}
initDoc(toplev);
}
bool XmlReader::push(const std::string &s)
{
if (node_.child(s.c_str()))