Re: [shell-script] Orientação a objetos em Shell

[Ivan lopes]

Concluo esse topico com um programa em bash orientado
a objetos, ou melhor emulado a objeto. Para mais informacao
fala direto comigo.

$ cat ClassDialog.v1.1
#$Id: ClassDialog.v1.1,v 1.1 2006/06/18 06:23:39 ivanczar Exp root $
# Class: ClassDialog

# -------------------------------------------------------------------------- #
# ----------------------------- Class: String ------------------------------ #
# -------------------------------------------------------------------------- #
String(){ obj_id=$1

  eval "$id.$obj_id.set(){
        eval \"$id.$obj_id.get(){
               echo \$*
             }\"
        eval \"$id.$obj_id.writeln(){
                 $id.$obj_id.get | tr ':' '\134'
             }\"
  }"

  eval "$id.$obj_id.append(){
        $id.$obj_id.set \$*:n\$($id.$obj_id.get)
  }"
}


Integer(){ obj_id=$1

  eval "$id.$obj_id.value(){
        eval \"$id.$obj_id(){
               echo \$*
            }\"
  }"
}


# -------------------------------------------------------------------------- #
# ----------------------------- Class: MsgBox ------------------------------ #
# -------------------------------------------------------------------------- #

InitBox(){

# -- Attribute -- #
  String title
  String text
  Integer height
  Integer width

}

MsgBox.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                     \
     \$DIALOG \$OPT              \
     --title  '\$($id.title.get)'\
     --msgbox '\$($id.text.get)' \
     \$($id.height) \$($id.width)\
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ----------------------------- Class: InfoBox ----------------------------- #
# -------------------------------------------------------------------------- #
InfoBox.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                         \
     \$DIALOG \$OPT                  \
     --title   '\$($id.title.get)'   \
     --infobox '\$($id.text.writeln)'\
     \$($id.height) \$($id.width)    \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ---------------------------- Class: InputBox ----------------------------- #
# -------------------------------------------------------------------------- #
InputBox.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                       \
     \$DIALOG \$OPT                \
     --title    '\$($id.title.get)'\
     --inputbox '\$($id.text.get)' \
     \$($id.height) \$($id.width)  \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# --------------------------- Class: passwordbox --------------------------- #
# -------------------------------------------------------------------------- #
PasswordBox.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                          \
     \$DIALOG \$OPT                   \
     --title       '\$($id.title.get)'\
     --passwordbox '\$($id.text.get)' \
     \$($id.height) \$($id.width)     \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ----------------------------- Class: TextBox ----------------------------- #
# -------------------------------------------------------------------------- #
TextBox.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                          \
     \$DIALOG \$OPT                   \
     --title       '\$($id.title.get)'\
     --textbox     '\$($id.text.get)' \
     \$($id.height) \$($id.width)     \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}


# -------------------------------------------------------------------------- #
# ----------------------------- Class: TailBox ----------------------------- #
# -------------------------------------------------------------------------- #
TailBox.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                          \
     \$DIALOG \$OPT                   \
     --title       '\$($id.title.get)'\
     --tailbox     '\$($id.text.get)' \
     \$($id.height) \$($id.width)     \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ---------------------------- Class TailBoxbg ----------------------------- #
# -------------------------------------------------------------------------- #
TailBoxBg.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                          \
     \$DIALOG \$OPT                   \
     --title       '\$($id.title.get)'\
     --tailboxbg   '\$($id.text.get)' \
     \$($id.height) \$($id.width)     \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ------------------------------ Class: YesNo ------------------------------ #
# -------------------------------------------------------------------------- #
YesNo.new() { id=$1;this=$1

  InitBox # inicialize variables.

  LINE_CMD="                             \
     \$DIALOG \$OPT                      \
     --title       '\$($id.title.get)'   \
     --yesno       '\$($id.text.writeln)'\
     \$($id.height) \$($id.width)        \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}


# -------------------------------------------------------------------------- #
# ------------------------------ Class: Menu ------------------------------- #
# -------------------------------------------------------------------------- #
Menu.new() { id=$1;this=$1

  InitBox # inicialize variables.
  Integer line
  LINE_CMD="                                  \
     \$DIALOG \$OPT                           \
     --title       '\$($id.title.get)'        \
     --menu        '\$($id.text.get)'         \
     \$($id.height) \$($id.width) \$($id.line)\
     \${mLIST[*]}                             \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ------------------------------- RadioList -------------------------------- #
# -------------------------------------------------------------------------- #
RadioList.new() { id=$1;this=$1

  InitBox # inicialize variables.
  Integer line
  LINE_CMD="                                  \
     \$DIALOG \$OPT                           \
     --title       '\$($id.title.get)'        \
     --radiolist   '\$($id.text.get)'         \
     \$($id.height) \$($id.width) \$($id.line)\
     \${rLIST[*]}                             \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# ---------------------------- Class: CheckList ---------------------------- #
# -------------------------------------------------------------------------- #
CheckList.new() { id=$1;this=$1

  InitBox # inicialize variables.
  Integer line
  LINE_CMD="                                  \
     \$DIALOG \$OPT                           \
     --title       '\$($id.title.get)'        \
     --checklist   '\$($id.text.get)'         \
     \$($id.height) \$($id.width) \$($id.line)\
     \${cLIST[*]}                             \
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

# -------------------------------------------------------------------------- #
# -----------------------------  Class: Gauge  ----------------------------- #
# -------------------------------------------------------------------------- #
Gauge.new() { id=$1;this=$1

  InitBox # inicialize variables.
  Integer progressbar
  LINE_CMD="                                         \
     \$DIALOG \$OPT                                  \
     --title       '\$($id.title.get)'               \
     --gauge       '\$($id.text.get)'                \
     \$($id.height) \$($id.width) \$($id.progressbar)\
  "

  eval "$id.execute() {
     echo \"$LINE_CMD\" | sed \"s;[ ]\+; ;g\"
  }"
}

$ cat
#!/bin/bash project-install.sh

# Universidade Federal Do Rio de Jnaneiro
# file: project-install.sh
# author: Ivan carlso Da Silva Lopes
# $Id:$

# program a gerador de janelas `wedget'
DIALOG=dialog

# load oo shell functions
. ./ClassDialog.v1.1

TITLE="2 2.1.0-beta Install A.I - CZAR                   [ REDES NEURAIS ]"
OPT="--stdout --backtitle '$TITLE'"

# size screen
rows=$(tput lines)
cols=$(tput cols)

Menu.new menu
$this.title.set    Instalador
$this.text.set     Selecione a opcao desejada:
$this.height.value 0
$this.width.value  0
$this.line.value   0
mLIST=(1 Instalar
      2 Compilar
      3 Debugar
      4 Configurar
      5 sobre
)

D_OUT=$(menu.execute| sh)
menu.execute | sh


conclusao:
...



--
[ ]'s
Ivan Carlos Da Silva Lopes

Engenheiro Eletronico e Computacao
UFRJ