exceptions.hpp

#ifndef INCLUDE_INJA_EXCEPTIONS_HPP_
#define INCLUDE_INJA_EXCEPTIONS_HPP_
 
#include <cstddef>
#include <stdexcept>
#include <string>
 
namespace inja {
 
struct SourceLocation {
  size_t line;
  size_t column;
};
 
struct InjaError : public std::runtime_error {
  const std::string type;
  const std::string message;
 
  const SourceLocation location;
 
  explicit InjaError(const std::string& type, const std::string& message)
      : std::runtime_error("[inja.exception." + type + "] " + message), type(type), message(message), location({0, 0}) {}
 
  explicit InjaError(const std::string& type, const std::string& message, SourceLocation location)
      : std::runtime_error("[inja.exception." + type + "] (at " + std::to_string(location.line) + ":" + std::to_string(location.column) + ") " + message),
        type(type), message(message), location(location) {}
};
 
struct ParserError : public InjaError {
  explicit ParserError(const std::string& message, SourceLocation location): InjaError("parser_error", message, location) {}
};
 
struct RenderError : public InjaError {
  explicit RenderError(const std::string& message, SourceLocation location): InjaError("render_error", message, location) {}
};
 
struct FileError : public InjaError {
  explicit FileError(const std::string& message): InjaError("file_error", message) {}
  explicit FileError(const std::string& message, SourceLocation location): InjaError("file_error", message, location) {}
};
 
struct DataError : public InjaError {
  explicit DataError(const std::string& message, SourceLocation location): InjaError("data_error", message, location) {}
};
 
} // namespace inja
 
#endif // INCLUDE_INJA_EXCEPTIONS_HPP_