/
config_error.cpp
80 lines (69 loc) · 1.62 KB
/
config_error.cpp
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#include <mapnik/config_error.hpp>
#include <mapnik/xml_node.hpp>
#include <mapnik/util/conversions.hpp>
namespace mapnik
{
config_error::config_error(std::string const& what)
: what_(what),
line_number_(0),
file_(),
node_name_(),
msg_()
{
}
config_error::config_error(std::string const& what,
xml_node const& node)
: what_(what),
line_number_(node.line()),
file_(node.filename()),
node_name_(node.name()),
msg_()
{
}
config_error::config_error(std::string const& what,
unsigned line_number,
std::string const& filename)
: what_(what),
line_number_(line_number),
file_(filename),
node_name_(),
msg_()
{
}
char const* config_error::what() const throw()
{
msg_ = what_;
if (!node_name_.empty())
{
msg_ += " in " + node_name_;
}
if (line_number_ > 0)
{
std::string number;
if (util::to_string(number,line_number_))
{
msg_ += " at line " + number;
}
}
if (!file_.empty())
{
msg_ += " of '" + file_ + "'";
}
return msg_.c_str();
}
void config_error::append_context(std::string const& ctx) const
{
what_ += " " + ctx;
}
void config_error::append_context(std::string const& ctx, xml_node const& node) const
{
append_context(ctx);
append_context(node);
}
void config_error::append_context(xml_node const& node) const
{
if (!line_number_) line_number_ = node.line();
if (node_name_.empty()) node_name_ = node.name();
if (file_.empty()) file_ = node.filename();
}
}