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#compdef print printf

local state expl line eflag pflag rest ret=1

if [[ $service = print ]]; then
  # -e flag available only after -R 
  eflag="${words[1,CURRENT-1][(r)-*R*]:+-e[enable escapes]}"

  # -p flag only relevant if we have a coprocess
  (:>&p) 2>/dev/null &&
    pflag='(-s -u -z)-p[print arguments to input of coprocess]'

  if [[ -n ${words[1,CURRENT][(r)-*P*]} ]]; then
    rest='*: :_ps1234'
  else
    rest='*: :_default'
  fi

  _arguments -C -s -A "-*" -S \
    '(-f)-r[ignore escape conventions of echo]' \
    '(-r -b -f -m -s -l -N -o -O -i -c -u -p -z -D -P)-R[emulate BSD echo (no escapes, -n & -e flags only)]' \
    '-b[recognise bindkey escape sequences]' \
    '-m[remove arguments matching specified pattern]' \
    '(-r -n -R -l -N -c)-f+[print arguments as for the printf builtin]:format:->printfformat' \
    '(-u -p -z)-s[place results in the history list]' \
    '(-c -f)-n[do not add a newline to the result]' \
    '(-N -c -f)-l[print arguments separated by newlines]' \
    '(-n -l -c -f)-N[print arguments separated and terminated by nulls]' \
    '(-O)-o[sort arguments in ascending order]' \
    '(-o)-O[sort arguments in descending order]' \
    '-i[case-insensitive sorting]' \
    '(-n -l -N -f -s -z)-a[with -c/-C, print arguments across before down]' \
    '(-n -l -N -f -C -s -z)-c[print arguments in columns]' \
    '(-n -l -N -f -c -s -z)-C+[print arguments in specified number of columns]:columns' \
    '(-s -p -z)-u+[specify file descriptor to print arguments to]:file descriptor:_file_descriptors' \
    '(-s -p -u)-z[push arguments onto editing buffer stack]' \
    '-D[substitute any arguments which are named directories using ~ notation]' \
    '-P[perform prompt expansion]' \
    $pflag $eflag $rest && ret=0
elif [[ $service = printf ]]; then
  state=printf
fi

if [[ $state = printf ]]; then
  _arguments -C -s -S \
    '1:format:->printfformat' \
    '*: :_default' && ret=0
fi

if [[ $state = printfformat ]]; then
  if [[ ${(Q)PREFIX} = *%((-|)<->|[-#0 +*.])# ]]; then
    local -a specs
      specs=(
        '#:alternate form'
        '0:zeropad to length n'
        '-:left adjust result'
        ' :leave one space in front of positive number from signed conversion'
        '+:always place sign before a number from signed conversion'
        '*:field width in next argument'
        '.:precision'
        'c:print the first character of the argument'
        's:print the argument as a string'
        {d,i}':signed decimal number or with leading " numeric value of following character'
        'o:unsigned octal number'
        'u:unsigned decimal number'
        {x,X}':unsigned hexadecimal number, letters capitalized as x'
        {e,E}':double number in scientific notation'
        'f:double number'
        {g,G}':double number as %f or %e depending on size'
        '%:a percent sign'
        'n:store number of printed bytes in parameter specified by argument'
        'b:as %s but interpret escape sequences in argument'
        'q:as %s but shell quote result'
      )
    compset -P "*"
    _describe -t print-format-specifier 'print format specifier' specs -S ''
    _message -e print-format-specifier 'number'
  else
    _describe -t print-format-specifier 'print format specifier' '(%)' -S ''
  fi
  ret=0
fi

return ret