Raxol.Terminal.ControlCodes (Raxol v2.0.1)

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Handles C0 control codes and simple ESC sequences.

Extracted from Terminal.Emulator for better organization. Relies on Emulator state and ScreenBuffer for actions.

Summary

Functions

handle_bel(emulator)

Handles bell control code.

handle_bs(emulator)

Handle Backspace (BS)

handle_c0(emulator, char_codepoint)

Handles a C0 control code (0-31) or DEL (127). Delegates to specific handlers based on the codepoint.

handle_can(emulator)
handle_cr(emulator)

Handle Carriage Return (CR)

handle_decrc(emulator)
handle_decsc(emulator)
handle_escape(emulator, byte)

Handles simple escape sequences (ESC followed by a single byte).

handle_ht(emulator)

Handles the Horizontal Tab (HT) action.

handle_hts(emulator)
handle_ind(emulator)
handle_lf(emulator)

Handle Line Feed (LF), New Line (NL), Vertical Tab (VT)

handle_ls1r(emulator)

Handle Locking Shift 1 Right (LS1R) - ESC ~ Invokes G1 character set into GR

handle_ls2(emulator)

Handle Locking Shift 2 (LS2) - ESC n Invokes G2 character set into GL

handle_ls2r(emulator)

Handle Locking Shift 2 Right (LS2R) - ESC } Invokes G2 character set into GR

handle_ls3(emulator)

Handle Locking Shift 3 (LS3) - ESC o Invokes G3 character set into GL

handle_ls3r(emulator)

Handle Locking Shift 3 Right (LS3R) - ESC | Invokes G3 character set into GR

handle_nel(emulator)
handle_ri(emulator)

Handle Reverse Index (RI) - ESC M

handle_ris(emulator)
handle_si(emulator)
handle_so(emulator)
handle_sub(emulator)

Handles substitute character control code.

Functions

handle_bel(emulator)

Handles bell control code.

handle_bs(emulator)

Handle Backspace (BS)

handle_c0(emulator, char_codepoint)

@spec handle_c0(Raxol.Terminal.Emulator.t(), non_neg_integer()) ::
  Raxol.Terminal.Emulator.t()

Handles a C0 control code (0-31) or DEL (127). Delegates to specific handlers based on the codepoint.

handle_can(emulator)

@spec handle_can(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_cr(emulator)

Handle Carriage Return (CR)

handle_decrc(emulator)

@spec handle_decrc(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_decsc(emulator)

@spec handle_decsc(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_escape(emulator, byte)

@spec handle_escape(Raxol.Terminal.Emulator.t(), integer()) ::
  Raxol.Terminal.Emulator.t()

Handles simple escape sequences (ESC followed by a single byte).

handle_ht(emulator)

Handles the Horizontal Tab (HT) action.

handle_hts(emulator)

@spec handle_hts(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_ind(emulator)

@spec handle_ind(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_lf(emulator)

Handle Line Feed (LF), New Line (NL), Vertical Tab (VT)

handle_ls1r(emulator)

Handle Locking Shift 1 Right (LS1R) - ESC ~ Invokes G1 character set into GR

handle_ls2(emulator)

Handle Locking Shift 2 (LS2) - ESC n Invokes G2 character set into GL

handle_ls2r(emulator)

Handle Locking Shift 2 Right (LS2R) - ESC } Invokes G2 character set into GR

handle_ls3(emulator)

Handle Locking Shift 3 (LS3) - ESC o Invokes G3 character set into GL

handle_ls3r(emulator)

Handle Locking Shift 3 Right (LS3R) - ESC | Invokes G3 character set into GR

handle_nel(emulator)

@spec handle_nel(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_ri(emulator)

Handle Reverse Index (RI) - ESC M

handle_ris(emulator)

@spec handle_ris(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_si(emulator)

@spec handle_si(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_so(emulator)

@spec handle_so(Raxol.Terminal.Emulator.t()) :: Raxol.Terminal.Emulator.t()

handle_sub(emulator)

Handles substitute character control code.