Add bash line editor.

.local/share/blesh/contrib/config/readline.bash

@@ -0,0 +1,128 @@
+# blesh/contrib/config/readline.bash (C) 2025, Koichi Murase <myoga.murase@gmail.com>
+#
+# Example setup
+#
+# ```bash
+# # blerc
+# ble-import -d config/readline
+# ```
+
+# Disable syntax highlighting
+bleopt highlight_syntax=
+
+# Disable highlighting based on filenames
+bleopt highlight_filename=
+
+# Disable highlighting based on variable types
+bleopt highlight_variable=
+
+# Disable auto-complete (Note: auto-complete is enabled by default in bash-4.0+)
+bleopt complete_auto_complete=
+
+# Disable auto-complete based on the command history
+bleopt complete_auto_history=
+
+# Disable ambiguous completion
+bleopt complete_ambiguous=
+
+# Disable menu-complete by TAB
+bleopt complete_menu_complete=
+
+# Disable menu filtering (Note: auto-complete is enabled by default in bash-4.0+)
+bleopt complete_menu_filter=
+
+# Disable EOF marker like "[ble: EOF]"
+bleopt prompt_eol_mark=''
+
+# Disable error exit marker like "[ble: exit %d]"
+bleopt exec_errexit_mark=
+
+# Disable elapsed-time marker like "[ble: elapsed 1.203s (CPU 0.4%)]"
+bleopt exec_elapsed_mark=
+
+# Disable exit marker like "[ble: exit]"
+bleopt exec_exit_mark=
+
+# Disable some other markers like "[ble: ...]"
+bleopt edit_marker=
+bleopt edit_marker_error=
+
+# Turn off Readline settings enabled by ble.sh
+bind 'set skip-completed-text       off'
+bind 'set colored-stats             off'
+bind 'set colored-completion-prefix off'
+
+# Use audible bell instead of visible bell for editing error
+bleopt edit_bell=abell
+bleopt decode_error_@_vbell=
+bleopt decode_error_@_abell=1
+
+function ble/contrib/config:readline/emacs-load-hook {
+  # Disable magic expansions
+  ble-bind -m emacs -f 'SP' self-insert
+  ble-bind -m emacs -f '/'  self-insert
+
+  # Disable multiline mode
+  ble-bind -m emacs -f 'C-m' 'accept-line syntax'
+  ble-bind -m emacs -f 'RET' 'accept-line syntax'
+  ble-bind -m emacs -f 'C-j' 'accept-line syntax'
+
+  # Immediately run commands with RET in isearch
+  ble-bind -m isearch -f 'C-m' isearch/accept-line
+  ble-bind -m isearch -f 'RET' isearch/accept-line
+
+  # Emulate Readline for non-incremental searches
+  ble-bind -m emacs -f 'prior'    'history-search-backward           hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x up'   'history-search-backward           hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x C-p'  'history-search-backward           hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'next'     'history-search-forward            hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x down' 'history-search-forward            hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x C-n'  'history-search-forward            hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x ,'    'history-nsearch-backward-again    hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x .'    'history-nsearch-forward-again     hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x <'    'history-nsearch-backward          hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x >'    'history-nsearch-forward           hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x n'    'history-substring-search-forward  hide-status:point=end:immediate-accept'
+  ble-bind -m emacs -f 'C-x p'    'history-substring-search-backward hide-status:point=end:immediate-accept'
+}
+blehook/eval-after-load keymap_emacs ble/contrib/config:readline/emacs-load-hook
+
+function ble/contrib/config:readline/vim-load-hook {
+  # Disable magic expansions
+  ble-bind -m vi_imap -f 'SP' self-insert
+  ble-bind -m vi_imap -f '/'  self-insert
+
+  # Disable multiline mode
+  ble-bind -m vi_imap -f 'C-m' 'accept-line syntax'
+  ble-bind -m vi_imap -f 'RET' 'accept-line syntax'
+  ble-bind -m vi_imap -f 'C-j' 'accept-line syntax'
+  ble-bind -m vi_nmap -f 'C-m' 'accept-line syntax'
+  ble-bind -m vi_nmap -f 'RET' 'accept-line syntax'
+  ble-bind -m vi_nmap -f 'C-j' 'accept-line syntax'
+
+  # Discard lines with C-c
+  ble-bind -m vi_imap -f 'C-c' discard-line
+  ble-bind -m vi_nmap -f 'C-c' discard-line
+
+  # Use incremental search also in vi_nmap
+  ble-bind -m vi_nmap -f 'C-r' history-isearch-backward
+
+  # Immediately run commands with RET in isearch
+  ble-bind -m isearch -f 'C-m' isearch/accept-line
+  ble-bind -m isearch -f 'RET' isearch/accept-line
+
+  # Emulate Readline for non-incremental searches
+  ble-bind -m vi_imap -f 'prior'    'history-search-backward           hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x up'   'history-search-backward           hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x C-p'  'history-search-backward           hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'next'     'history-search-forward            hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x down' 'history-search-forward            hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x C-n'  'history-search-forward            hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x ,'    'history-nsearch-backward-again    hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x .'    'history-nsearch-forward-again     hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x <'    'history-nsearch-backward          hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x >'    'history-nsearch-forward           hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x n'    'history-substring-search-forward  hide-status:point=end:immediate-accept'
+  ble-bind -m vi_imap -f 'C-x p'    'history-substring-search-backward hide-status:point=end:immediate-accept'
+}
+blehook/eval-after-load keymap_vi ble/contrib/config:readline/vim-load-hook