52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
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#ifndef PUGIXML_LOC_H
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#define PUGIXML_LOC_H
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/*
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* This file contains utilities for the PUGI XML parser,
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* hanlding the retrieval of line numbers (useful for error messages)
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*/
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#include <vector>
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#include "pugixml.hpp"
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namespace pugiutil {
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//pugi offset to line/col data based on: https://stackoverflow.com/questions/21003471/convert-pugixmls-result-offset-to-column-line
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class loc_data {
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public:
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loc_data() = default;
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loc_data(std::string filename_val)
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: filename_(filename_val) {
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build_loc_data();
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}
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//The filename this location data is for
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const std::string& filename() const { return filename_; }
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const char* filename_c_str() const { return filename_.c_str(); }
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//Convenience wrapper which takes xml_nodes
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std::size_t line(pugi::xml_node node) const {
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return line(node.offset_debug());
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}
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//Convenience wrapper which takes xml_nodes
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std::size_t col(pugi::xml_node node) const {
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return col(node.offset_debug());
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}
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//Return the line number from the given offset
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std::size_t line(std::ptrdiff_t offset) const;
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//Return the column number from the given offset
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std::size_t col(std::ptrdiff_t offset) const;
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private:
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void build_loc_data();
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std::string filename_;
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std::vector<std::ptrdiff_t> offsets_;
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};
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} // namespace pugiutil
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#endif
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