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More flexible XML control in Lime files

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This commit is contained in:
Antonin Portelli
2018-10-01 19:32:50 +01:00
parent 2458a11d1d
commit 6448fe7121
3 changed files with 43 additions and 17 deletions
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37
Grid/serialisation/XmlIO.cc
View File

@ -121,17 +121,26 @@ XmlReader::XmlReader(const std::string &s, const bool isBuffer,
}
}
#define XML_SAFE_NODE(expr)\
if (expr)\
{\
node_ = expr;\
return true;\
}\
else\
{\
return false;\
}
bool XmlReader::push(const std::string &s)
{
if (node_.child(s.c_str()))
if (s.empty())
{
node_ = node_.child(s.c_str());
return true;
XML_SAFE_NODE(node_.first_child());
}
else
{
return false;
XML_SAFE_NODE(node_.child(s.c_str()));
}
}
@ -142,18 +151,26 @@ void XmlReader::pop(void)
bool XmlReader::nextElement(const std::string &s)
{
if (node_.next_sibling(s.c_str()))
if (s.empty())
{
node_ = node_.next_sibling(s.c_str());
return true;
XML_SAFE_NODE(node_.next_sibling());
}
else
{
return false;
XML_SAFE_NODE(node_.next_sibling(s.c_str()));
}
}
void XmlReader::readCurrentSubtree(std::string &s)
{
std::ostringstream oss;
pugi::xml_document doc;
doc.append_copy(node_);
doc.save(oss, indent_.c_str(), pugi::format_default | pugi::format_no_declaration);
s = oss.str();
}
template <>
void XmlReader::readDefault(const std::string &s, std::string &output)
{

6
Grid/serialisation/XmlIO.h
View File

@ -72,16 +72,18 @@ namespace Grid
XmlReader(const std::string &fileName, const bool isBuffer = false,
std::string toplev = std::string("grid") );
virtual ~XmlReader(void) = default;
bool push(const std::string &s);
bool push(const std::string &s = "");
void pop(void);
bool nextElement(const std::string &s);
bool nextElement(const std::string &s = "");
template <typename U>
void readDefault(const std::string &s, U &output);
template <typename U>
void readDefault(const std::string &s, std::vector<U> &output);
void readCurrentSubtree(std::string &s);
private:
void checkParse(const pugi::xml_parse_result &result, const std::string name);
private:
const std::string indent_{" "};
pugi::xml_document doc_;
pugi::xml_node node_;
std::string fileName_;