Syntax
=====

.. code-block:: text

    cabl_precont = DEFI_CABLE_BP (
        ◆ MODELE = model,
        ◆ CHAM_MATER = cham_master,
        ◆ CARA_ELEM = cara_elem,
        ◆ GROUP_MA_BETON = GRMA,
        ◆ TYPE_ANCRAGE =/"ACTIF ",
                         /"PASSIF ",
        ◇ ADHERENT =/"OUI" (by default),
                     /"NON ",
        # If: (equal_to (" ADHERENT ", 'OUI'))
            ◆/DEFI_CABLE = _F (
                   ◇/GROUP_MA = grma,
                     /| TABL_CABLE = table,
                       | GROUP_NO_ANCHOR = grno,
                ),
              /MODI_CABLE_RUPT = _F (
                   ◆ GROUP_MA = GRMA,
                   ◆ GROUP_NO_ANCRAGE = grno,
                   ◆ TENSION = table,
                ),
            ◇ TYPE_RELAX =/"SANS" (by default),
                           /"BPEL ",
                           /"ETCC_DIRECT ",
                           /"ETCC_REPRISE ",
            # If: equal_to (" TYPE_RELAX ", 'BPEL')
                ◆ R_J = float,
            # If: equal_to (" TYPE_RELAX ", 'ETCC_DIRECT')
                ◆ NBH_RELAX = float,
            # If: equal_to (" TYPE_RELAX ", 'ETCC_REPRISE')
                ◇ MODI_CABLE_ETCC = _F (
                     ◆ GROUP_MA = GRMA,
                     ◆ GROUP_NO_ANCRAGE = grno,
                     ◆ TENSION = table,
                  ),
                ◆ NBH_RELAX = float,
            ◇ CONE = _F (
                 ◆ RAYON = float,
                 ◆ LONGUEUR = float,
                 ◆ PRESENT =/"OUI ",
                             /"NON ",
              ),
        # If: (not exists (" MODI_CABLE_RUPT "))
            ◆ TENSION_INIT = float,
            ◆ RECUL_ANCRAGE = float,
        # If: (equal_to (" ADHERENT ", 'NON'))
            ◆ DEFI_CABLE = _F (
                 ◆ GROUP_MA = GRMA,
                 ◆ GROUP_NO_ANCRAGE = grno,
              ),
        ◇ TITRE = text,
        ◇ INFO =/1 (by default),
                 /2,
    )
    
    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices