mirror of
https://github.com/jezhiggins/arabica
synced 2024-12-29 22:23:27 +01:00
92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
#ifndef ARABICA_XSLT_NAMESPACE_STACK_HPP
|
|
#define ARABICA_XSLT_NAMESPACE_STACK_HPP
|
|
|
|
#include <map>
|
|
#include <vector>
|
|
|
|
namespace Arabica
|
|
{
|
|
namespace XSLT
|
|
{
|
|
|
|
class NamespaceStack
|
|
{
|
|
public:
|
|
typedef std::map<std::string, std::string> Scope;
|
|
|
|
NamespaceStack() :
|
|
autoNs_(1)
|
|
{
|
|
prefixStack_.push_back(Scope());
|
|
uriStack_.push_back(Scope());
|
|
} // NamespaceStack
|
|
|
|
void pushScope()
|
|
{
|
|
prefixStack_.push_back(Scope());
|
|
uriStack_.push_back(Scope());
|
|
} // pushScope
|
|
|
|
void popScope()
|
|
{
|
|
prefixStack_.pop_back();
|
|
uriStack_.pop_back();
|
|
} // popScope
|
|
|
|
void declareNamespace(const std::string& given_prefix, const std::string& namespaceURI, bool attr = false)
|
|
{
|
|
if(findPrefix(namespaceURI) != EMPTY_STRING)
|
|
return;
|
|
|
|
bool remap = (attr && given_prefix.empty()) || (given_prefix == "xmlns");
|
|
|
|
std::string prefix = !remap ? given_prefix : autoNamespacePrefix();
|
|
|
|
prefixStack_.back()[prefix] = namespaceURI;
|
|
uriStack_.back()[namespaceURI] = prefix;
|
|
} // declareNamespace
|
|
|
|
const std::string& findURI(const std::string& prefix) const
|
|
{
|
|
return searchStack(prefixStack_, prefix);
|
|
} // findURI
|
|
|
|
const std::string& findPrefix(const std::string& uri) const
|
|
{
|
|
return searchStack(uriStack_, uri);
|
|
} // findPrefix
|
|
|
|
Scope::const_iterator begin() { return prefixStack_.back().begin(); }
|
|
Scope::const_iterator end() { return prefixStack_.back().end(); }
|
|
|
|
private:
|
|
typedef std::vector<Scope> ScopeStack;
|
|
|
|
const std::string& searchStack(const ScopeStack& stack, const std::string& key) const
|
|
{
|
|
for(ScopeStack::const_reverse_iterator ss = stack.rbegin(), se = stack.rend(); ss != se; ss++)
|
|
{
|
|
Scope::const_iterator i = ss->find(key);
|
|
if(i != ss->end())
|
|
return i->second;
|
|
}
|
|
return EMPTY_STRING;
|
|
} // searchStack
|
|
|
|
std::string autoNamespacePrefix()
|
|
{
|
|
std::ostringstream ss;
|
|
ss << "auto-ns" << autoNs_++;
|
|
return ss.str();
|
|
} // autoNamespacePrefix
|
|
|
|
ScopeStack prefixStack_;
|
|
ScopeStack uriStack_;
|
|
std::string EMPTY_STRING;
|
|
unsigned int autoNs_;
|
|
}; // class NamespaceStack
|
|
|
|
} // namespace XSLT
|
|
} // namespace Arabica
|
|
#endif // ARABICA_XSLT_NAMESPACE_STACK_HPP
|
|
|