error.cr

module Hpdf
  # Internal error raised by the underlying native libharu.
  class Error < Exception
  end

  # :nodoc:
  ERROR_CODES = {
    LibHaru::HPDF_ARRAY_COUNT_ERR              => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_ARRAY_ITEM_NOT_FOUND         => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_ARRAY_ITEM_UNEXPECTED_TYPE   => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_BINARY_LENGTH_ERR            => {:error, "The length of the data exceeds HPDF_LIMIT_MAX_STRING_LEN."},
    LibHaru::HPDF_CANNOT_GET_PALLET            => {:io, "Cannot get a pallet data from PNG image."},
    LibHaru::HPDF_DICT_COUNT_ERR               => {:error, "The count of elements of a dictionary exceeds HPDF_LIMIT_MAX_DICT_ELEMENT"},
    LibHaru::HPDF_DICT_ITEM_NOT_FOUND          => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_DICT_ITEM_UNEXPECTED_TYPE    => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_DICT_STREAM_LENGTH_NOT_FOUND => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_DOC_ENCRYPTDICT_NOT_FOUND    => {:argument, "Doc#permission= OR Doc#encrypt_mode= was called before a password is set."},
    LibHaru::HPDF_DOC_INVALID_OBJECT           => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_DUPLICATE_REGISTRATION       => {:argument, "Tried to register a font that has been registered."},
    LibHaru::HPDF_EXCEED_JWW_CODE_NUM_LIMIT    => {:argument, "Cannot register a character to the japanese word wrap characters list."},
    LibHaru::HPDF_ENCRYPT_INVALID_PASSWORD     => {:argument, "Tried to set the owner password to NULL. The owner password and user password is the same."},
    LibHaru::HPDF_ERR_UNKNOWN_CLASS            => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_EXCEED_GSTATE_LIMIT          => {:error, "The depth of the stack exceeded HPDF_LIMIT_MAX_GSTATE."},
    LibHaru::HPDF_FAILD_TO_ALLOC_MEM           => {:error, "Memory allocation failed."},
    LibHaru::HPDF_FILE_IO_ERROR                => {:error, "File processing failed. (A detailed code is set.)"},
    LibHaru::HPDF_FILE_OPEN_ERROR              => {:io, "Cannot open a file. (A detailed code is set.)"},
    LibHaru::HPDF_FONT_EXISTS                  => {:argument, "Tried to load a font that has been registered."},
    LibHaru::HPDF_FONT_INVALID_WIDTHS_TABLE    => {:io, "The format of a font-file is invalid . Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_INVALID_AFM_HEADER           => {:argument, "Cannot recognize a header of an afm file."},
    LibHaru::HPDF_INVALID_ANNOTATION           => {:argument, "The specified annotation handle is invalid."},
    LibHaru::HPDF_INVALID_BIT_PER_COMPONENT    => {:argument, "Bit-per-component of a image which was set as mask-image is invalid."},
    LibHaru::HPDF_INVALID_CHAR_MATRICS_DATA    => {:argument, "Cannot recognize char-matrics-data  of an afm file."},
    LibHaru::HPDF_INVALID_COMPRESSION_MODE     => {:argument, "Invalid value was set when invoking Doc#commpression_mode=."},
    LibHaru::HPDF_INVALID_DATE_TIME            => {:argument, "An invalid date-time value was set."},
    LibHaru::HPDF_INVALID_DESTINATION          => {:argument, "An invalid destination handle was set."},
    LibHaru::HPDF_INVALID_DOCUMENT             => {:argument, "An invalid document handle is set."},
    LibHaru::HPDF_INVALID_DOCUMENT_STATE       => {:argument, "The function which is invalid in the present state was invoked."},
    LibHaru::HPDF_INVALID_ENCODER              => {:argument, "An invalid encoder handle is set."},
    LibHaru::HPDF_INVALID_ENCODER_TYPE         => {:argument, "A combination between font and encoder is wrong."},
    LibHaru::HPDF_INVALID_ENCODING_NAME        => {:argument, "An Invalid encoding name is specified."},
    LibHaru::HPDF_INVALID_ENCRYPT_KEY_LEN      => {:argument, "The lengh of the key of encryption is invalid."},
    LibHaru::HPDF_INVALID_FONTDEF_TYPE         => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_INVALID_FONT_NAME            => {:argument, "A font which has the specified name is not found."},
    LibHaru::HPDF_INVALID_IMAGE                => {:io, "Unsupported image format."},
    LibHaru::HPDF_INVALID_JPEG_DATA            => {:io, "Unsupported image format."},
    LibHaru::HPDF_INVALID_N_DATA               => {:io, "Cannot read a postscript-name from an afm file."},
    LibHaru::HPDF_INVALID_OBJ_ID               => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_INVALID_OPERATION            => {:argument, "1. Invoked Image#color_mask= against the image-object which was set a mask-image."},
    LibHaru::HPDF_INVALID_OUTLINE              => {:argument, "An invalid outline-handle was specified."},
    LibHaru::HPDF_INVALID_PAGE                 => {:argument, "An invalid page-handle was specified."},
    LibHaru::HPDF_INVALID_PAGES                => {:argument, "An invalid pages-handle was specified. (internel error)"},
    LibHaru::HPDF_INVALID_PARAMETER            => {:argument, "An invalid value is set."},
    LibHaru::HPDF_INVALID_PNG_IMAGE            => {:io, "Invalid PNG image format."},
    LibHaru::HPDF_INVALID_STREAM               => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_MISSING_FILE_NAME_ENTRY      => {:error, "Internal error. The \"_FILE_NAME\" entry for delayed loading is missing."},
    LibHaru::HPDF_INVALID_TTC_FILE             => {:io, "Invalid .TTC file format."},
    LibHaru::HPDF_INVALID_TTC_INDEX            => {:argument, "The index parameter was exceed the number of included fonts"},
    LibHaru::HPDF_INVALID_WX_DATA              => {:io, "Cannot read a width-data from an afm file."},
    LibHaru::HPDF_ITEM_NOT_FOUND               => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_LIBPNG_ERROR                 => {:io, "An error has returned from PNGLIB while loading an image."},
    LibHaru::HPDF_NAME_INVALID_VALUE           => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_NAME_OUT_OF_RANGE            => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_PAGES_MISSING_KIDS_ENTRY     => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_PAGE_CANNOT_FIND_OBJECT      => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_PAGE_CANNOT_GET_ROOT_PAGES   => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_PAGE_CANNOT_RESTORE_GSTATE   => {:argument, "There are no graphics-states to be restored."},
    LibHaru::HPDF_PAGE_CANNOT_SET_PARENT       => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_PAGE_FONT_NOT_FOUND          => {:argument, "The current font is not set."},
    LibHaru::HPDF_PAGE_INVALID_FONT            => {:argument, "An invalid font-handle was specified."},
    LibHaru::HPDF_PAGE_INVALID_FONT_SIZE       => {:argument, "An invalid font-size was set."},
    LibHaru::HPDF_PAGE_INVALID_GMODE           => {:argument, "Invalid graphics mode."},
    LibHaru::HPDF_PAGE_INVALID_INDEX           => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_PAGE_INVALID_ROTATE_VALUE    => {:argument, "The specified value is not a multiple of 90."},
    LibHaru::HPDF_PAGE_INVALID_SIZE            => {:argument, "An invalid page-size was set."},
    LibHaru::HPDF_PAGE_INVALID_XOBJECT         => {:argument, "An invalid image-handle was set."},
    LibHaru::HPDF_PAGE_OUT_OF_RANGE            => {:argument, "The specified value is out of range."},
    LibHaru::HPDF_REAL_OUT_OF_RANGE            => {:argument, "The specified value is out of range."},
    LibHaru::HPDF_STREAM_EOF                   => {:io, "Unexpected EOF marker was detected."},
    LibHaru::HPDF_STREAM_READLN_CONTINUE       => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_STRING_OUT_OF_RANGE          => {:argument, "The length of the specified text is too long."},
    LibHaru::HPDF_THIS_FUNC_WAS_SKIPPED        => {:argument, "The execution of a function was skipped because of other errors."},
    LibHaru::HPDF_TTF_CANNOT_EMBEDDING_FONT    => {:argument, "This font cannot be embedded. (restricted by license)"},
    LibHaru::HPDF_TTF_INVALID_CMAP             => {:argument, "Unsupported ttf format. (cannot find unicode cmap.)"},
    LibHaru::HPDF_TTF_INVALID_FOMAT            => {:argument, "Unsupported ttf format."},
    LibHaru::HPDF_TTF_MISSING_TABLE            => {:argument, "Unsupported ttf format. (cannot find a necessary table)"},
    LibHaru::HPDF_UNSUPPORTED_FONT_TYPE        => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_UNSUPPORTED_JPEG_FORMAT      => {:argument, "Unsupported Jpeg format."},
    LibHaru::HPDF_UNSUPPORTED_TYPE1_FONT       => {:argument, "Failed to parse .PFB file."},
    LibHaru::HPDF_XREF_COUNT_ERR               => {:error, "Internal error. The consistency of the data was lost."},
    LibHaru::HPDF_ZLIB_ERROR                   => {:argument, "An error has occurred while executing a function of Zlib."},
    LibHaru::HPDF_INVALID_PAGE_INDEX           => {:argument, "An error returned from Zlib."},
    LibHaru::HPDF_INVALID_URI                  => {:argument, "An invalid URI was set."},
    LibHaru::HPDF_PAGELAYOUT_OUT_OF_RANGE      => {:argument, "An invalid page-layout was set."},
    LibHaru::HPDF_PAGEMODE_OUT_OF_RANGE        => {:argument, "An invalid page-mode was set."},
    LibHaru::HPDF_PAGENUM_STYLE_OUT_OF_RANGE   => {:argument, "An invalid page-num-style was set."},
    LibHaru::HPDF_ANNOT_INVALID_ICON           => {:argument, "An invalid icon was set."},
    LibHaru::HPDF_ANNOT_INVALID_BORDER_STYLE   => {:argument, "An invalid border-style was set."},
    LibHaru::HPDF_PAGE_INVALID_DIRECTION       => {:argument, "An invalid page-direction was set."},
    LibHaru::HPDF_INVALID_FONT                 => {:argument, "An invalid font-handle was specified."},
  }

  # :nodoc:
  def self.errcode(error_no, detail_no) : Exception
    if err = ERROR_CODES[error_no]?
      type, msg = err
      case type
      when :argument
        return ArgumentError.new(msg)
      when :io
        return IO::Error.new(msg)
      when :error
        return Error.new(msg)
      end
    end

    case error_no
    when LibHaru::HPDF_INVALID_COLOR_SPACE
      detail_error error_no, "color space", detail_no, {
        1 => "The color_space parameter of HPDF_LoadRawImage is invalid.",
        2 => "Color-space of a image which was set as mask-image is invalid.",
        3 => "The function which is invalid in the present color-space was invoked.",
      }
    when LibHaru::HPDF_INVALID_FONTDEF_DATA
      detail_error error_no, "invalid font data", detail_no, {
        1 => "An invalid font handle was set.",
        2 => "Unsupported font format.",
      }
    when LibHaru::HPDF_INVALID_OBJECT
      detail_error error_no, "invalid object", detail_no, {
        1 => "An invalid object is set.",
        2 => "Internal error. The consistency of the data was lost.",
      }
    when LibHaru::HPDF_UNSUPPORTED_FUNC
      detail_error error_no, "unsupported function", detail_no, {
        1 => "The library is not configured to use PNGLIB.",
        2 => "Internal error. The consistency of the data was lost.",
      }
    else
      Error.new("ERROR generic: error_no=%04x, detail_no=%d" % [error_no, detail_no])
    end
  end

  # :nodoc:
  def self.detail_error(error_no, name, detail_no, details, klass = ArgumentError) : Exception
    if msg = details[detail_no]?
      klass.new(msg)
    else
      klass.new("ERROR #{name}: error_no=%04x, detail_no=%d" % [error_no, detail_no])
    end
  end
end