module Termisu::Terminfo::Builtin

Overview

Hardcoded fallback terminal capabilities for common terminal types.

Provides built-in escape sequences when the terminfo database is unavailable or doesn't contain required capabilities. Supports two terminal families:

• xterm: Modern terminal emulators (xterm, gnome-terminal, konsole, etc.)
• linux: Linux virtual console (framebuffer console)

Capability Categories

Function Capabilities (XTERM_FUNCS, LINUX_FUNCS):

• Screen control: alternate screen, clear, cursor visibility
• Attributes: bold, underline, blink, reverse, dim, italic
• Cursor movement: positioning, forward, backward, up, down
• Colors: 256-color foreground/background

Key Capabilities (XTERM_KEYS, LINUX_KEYS):

• Function keys F1-F12
• Navigation: Insert, Delete, Home, End, PgUp, PgDn
• Arrow keys: Up, Down, Left, Right

Usage

funcs = Termisu::Terminfo::Builtin.funcs_for("xterm-256color")
keys = Termisu::Terminfo::Builtin.keys_for("linux")

Defined in:

termisu/terminfo/builtin.cr

Class Method Summary

• .funcs_for(name : String) : Array(String)

  Returns function capability sequences for the given terminal name.

• .keys_for(name : String) : Array(String)

  Returns key capability sequences for the given terminal name.

Class Method Detail