Bash completion

1 files changed, 170 insertions, 0 deletions

diff --git a/completions/bfs.bash b/completions/bfs.bash
new file mode 100644
index 0000000..f25eadf
--- /dev/null
+++ b/completions/bfs.bash
@@ -0,0 +1,170 @@
+# bash completion script
+
+_bfs ()
+{
+  local cword=$COMP_CWORD
+  local cur="${COMP_WORDS[$cword]}"
+  local prev prev1
+  if (($cword > 0)); then
+    prev="${COMP_WORDS[$(($cword-1))]}"
+  fi
+  if (($cword > 1)); then
+    prev1="${COMP_WORDS[$(($cword-2))]}"
+  fi
+
+  # arguments with a special completion procedure
+  local options_special='-fprintf -D -S -regextype -fstype -gid -uid -group -user -perm -type -xtype'
+
+  # arguments whose values should not be completed
+  # (e.g. because they are numeric, glob, regexp, time, etc.)
+  local options_nocomp='-maxdepth -mindepth -amin -Bmin -cmin -mmin -asince -Bsince -csince -msince -atime -Btime -ctime -mtime -ilname -iname -ipath -iregex -iwholename -inum -links -lname -name -path -wholename -regex -since -size -used -printf -newerat -newerBt -newerct -newermt -xattrname'
+
+  # arguments whose value is a filename
+  local options_filecomp='-anewer -Bnewer -cnewer -mnewer -newer -samefile -fls -fprint -fprint0 -neweraa -neweraB -newerac -neweram -newerBa -newerBB -newerBc -newerBm -newerca -newercB -newercc -newercm -newerma -newermB -newermc -newermm'
+
+  # arguments whose value is a dirname
+  local options_dircomp='-f'
+
+  # options with no value
+  local flags='-H -L -P -E -X -d -s -x -O1 -O2 -O3 -not -and -or -exclude -color -nocolor -daystart -depth -follow -ignore_readdir_race -noignore_readdir_race -mount -nohidden -status -unique -warn -nowarn -xdev -acl -capable -empty -executable -readable -writable -false -true -hidden -nogroup -nouser -sparse -xattr -delete -rm -exit -ls -print -print0 -printx -prune -quit -version -help'
+
+  local all_options="${flags} ${options_special} ${options_nocomp} ${options_filecomp} ${options_dircomp}"
+
+  # completions which require parsing the whole command string
+  case "${COMP_WORDS[*]}" in
+    (*\ -exec\ *|*\ -execdir\ *|*\ -ok\ *|*\ -okdir\ *)
+      case "$prev" in
+        (-exec|-execdir|-ok|-okdir)
+          # complete commands for first word after exec-type option
+          COMPREPLY=($(compgen -c -- "$cur"))
+          return
+        ;;
+      esac
+      # default completion only after exec-type option
+      #TODO: complete whatever command was provided after -exec
+      #TODO: detect end of -exec string and continue completing as normal
+      COMPREPLY=($(compgen -o default -o bashdefault -- "$cur"))
+      return
+    ;;
+  esac
+
+  # completions with 2-word lookbehind
+  case "$prev1" in
+    (-fprintf)
+      # -fprintf FORMAT FILE
+      #     Like -ls/-print/-print0/-printf, but write to FILE instead of standard
+      #     output
+      # when -fprintf is prev1, current word is FILE; perform file completion
+      COMPREPLY=($(compgen -f -- "$cur"))
+      return
+    ;;
+  esac
+
+  # completions with 1-word lookbehind
+  case "$prev" in
+    (-maxdepth|-mindepth|-amin|-Bmin|-cmin|-mmin|-asince|-Bsince|-csince|-msince|-atime|-Btime|-ctime|-mtime|-ilname|-iname|-ipath|-iregex|-iwholename|-inum|-links|-lname|-name|-path|-wholename|-regex|-since|-size|-used|-printf|-newerat|-newerBt|-newerct|-newermt|-xattrname)
+      # arguments whose values should not be completed
+      # (e.g. because they are numeric, glob, regexp, time, etc.)
+      COMPREPLY=()
+      return
+    ;;
+    (-anewer|-Bnewer|-cnewer|-mnewer|-newer|-samefile|-fls|-fprint|-fprint0|-neweraa|-neweraB|-newerac|-neweram|-newerBa|-newerBB|-newerBc|-newerBm|-newerca|-newercB|-newercc|-newercm|-newerma|-newermB|-newermc|-newermm)
+      # arguments whose value is a filename
+      COMPREPLY=($(compgen -f -- "$cur"))
+      return
+    ;;
+    (-f)
+      # arguments whose value is a dirname
+      COMPREPLY=($(compgen -d -- "$cur"))
+      return
+    ;;
+    (-type|-xtype)
+      # -type [bcdlpfswD]
+      #     Find files of the given type
+      # -xtype [bcdlpfswD]
+      #     Find files of the given type, following links when -type would not, and
+      #     vice versa
+      if [[ -n $cur ]] && ! [[ $cur =~ ,$ ]]; then
+        cur+=,
+      fi
+      COMPREPLY=("${cur}b" "${cur}c" "${cur}d" "${cur}l" "${cur}p" "${cur}f" "${cur}s" "${cur}w" "${cur}D")
+      return
+    ;;
+    (-gid|-uid)
+      # -gid [-+]N
+      # -uid [-+]N
+      #     Find files owned by group/user ID N
+      #TODO: list numeric uids/gids
+      COMPREPLY=()
+      return
+    ;;
+    (-group)
+      # -group NAME
+      #     Find files owned by the group NAME
+      COMPREPLY=($(compgen -g -- "$cur"))
+      return
+    ;;
+    (-user)
+      # -user  NAME
+      #     Find files owned by the user NAME
+      COMPREPLY=($(compgen -u -- "$cur"))
+      return
+    ;;
+    (-S)
+      # -S bfs|dfs|ids|eds
+      #     Use breadth-first/depth-first/iterative/exponential deepening search
+      #     (default: -S bfs)
+      COMPREPLY=($(compgen -W 'bfs dfs ids eds' -- "$cur"))
+      return
+    ;;
+    (-D)
+      # -D FLAG
+      #     Turn on a debugging flag (see -D help)
+      COMPREPLY=($(compgen -W 'help cost exec opt rates search stat tree all' -- "$cur"))
+      return
+    ;;
+    (-regextype)
+      # -regextype TYPE
+      #     Use TYPE-flavored regexes (default: posix-basic; see -regextype help)
+      COMPREPLY=($(compgen -W 'help posix-basic posix-extended' -- "$cur"))
+      return
+    ;;
+    (-fstype)
+      # -fstype TYPE
+      #     Find files on file systems with the given TYPE
+      #TODO: parse the mount table for a list of mounted filesystem types
+      COMPREPLY=()
+      return
+    ;;
+    (-perm)
+      # -perm [-]MODE
+      #     Find files with a matching mode
+      if [[ -z "$cur" ]]; then
+        COMPREPLY=(- / + 0 1 2 3 4 5 6 7 8 9)
+        return
+      elif [[ "$cur" =~ ^(-|/|+)?[[:digit:]][[:digit:]][[:digit:]] ]]; then
+        COMPREPLY=("$cur")
+        return
+      elif [[ "$cur" =~ ^(-|/|+)?[[:digit:]] ]]; then
+        COMPREPLY=(0 1 2 3 4 5 6 7 8 9)
+        return
+      fi
+      COMPREPLY=()
+      return
+    ;;
+  esac
+
+  # completions with no lookbehind
+  case "$cur" in
+    (-*)
+      # complete all options
+      COMPREPLY=($(compgen -o default -o bashdefault -W "${all_options}" -- "$cur"))
+      return
+    ;;
+  esac
+  
+  # default completion
+  COMPREPLY=($(compgen -o default -o bashdefault -- "$cur"))
+  return
+} &&
+    complete -F _bfs bfs