forked from dyarob/DIANE_syntax
/
simple_analysis.php
147 lines (140 loc) · 3.99 KB
/
simple_analysis.php
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<?php
require_once('enums/enum.type_d_operation.php');
require_once('enums/enum.type_de_resolution.php');
require_once('simple_analysis_sql.php');
// Outputs in navigator an analysis of
// a simple arithmetic problem answer.
// WORKS ONLY FOR ADDITIONS / substractionS!
// NO NEGATIVE NUMBERS ALLOWED!
function f($reponse, $nbs_ennonce)
{
echo "Nombres de l'ennonce :$nbs_ennonce<br />";
echo "<br />";
echo "Reponse fournie : \"$reponse\"<br />";
$formules_simples = f1($reponse);
echo "<br />";
$id_answer = insert_answer($reponse);
echo "Formule(s) simple(s) detectee(s) : <br />";
print_r($formules_simples);
echo "<br />";
echo "<br />";
foreach ($formules_simples as $formule_simple)
{
echo "Formule : $formule_simple[0]<br />";
// Operation type
$type_d_operation = f2_1($formule_simple[0]);
echo "Type d'operation : ";
print_tdo($type_d_operation);
echo "<br />";
// Resolution type
preg_match_all("/\d+/", $formule_simple[0], $nbs_reponse);
$type_de_resolution = f2_3($nbs_ennonce, $nbs_reponse[0], $type_d_operation);
echo "Type de resolution : ";
print_tdr($type_de_resolution);
echo "<br />";
// Calculation error
$calcul_error = f2_2($nbs_reponse[0], $type_d_operation, $type_de_resolution);
if ($calcul_error != 0 )
echo "Contient une erreur de calcul de $calcul_error.<br />";
echo "<br />";
insert_formula($id_answer, $formule_simple[0], $type_d_operation, $type_de_resolution, $calcul_error);
}
}
// Outputs:
// - formules simples
function f1($reponse)
{
preg_match_all("/\d+\s*[+*-\/]\s*\d+\s*=\s*\d+/",
$reponse, $formules_simples, PREG_SET_ORDER);
return $formules_simples;
}
// Outputs;
// - type d'operation as in enum Type_d_Operation
function f2_1($formule_simple)
{
if (strstr($formule_simple, "+") !== FALSE)
return Type_d_Operation::addition;
if (strstr($formule_simple, "-") !== FALSE)
return Type_d_Operation::substraction;
return -1;
}
// Outputs:
// - calcul_error = TRUE/FALSE
function f2_2($nbs_reponse, $type_d_operation, $type_de_resolution)
{
switch($type_d_operation)
{
case Type_d_Operation::addition :
if (($result = (int)$nbs_reponse[0] + (int)$nbs_reponse[1])
=== (int)$nbs_reponse[2])
return FALSE;
else
return abs((int)$nbs_reponse[2] - $result);
break;
case Type_d_Operation::substraction :
if ($type_de_resolution === Type_de_Resolution::substraction_inverse)
{
if (($result = (int)$nbs_reponse[1] - (int)$nbs_reponse[0])
=== (int)$nbs_reponse[2])
return FALSE;
else
return abs((int)$nbs_reponse[2] - $result);
}
if (($result = (int)$nbs_reponse[0] - (int)$nbs_reponse[1])
=== (int)$nbs_reponse[2])
return FALSE;
else
return abs((int)$nbs_reponse[2] - $result);
}
}
// Outputs:
// - resolution type as in enum Type_d_Resolution
// Trick :
// $nbs_ennonce a la forme " x, y, z,"
// pour faciliter la reconnaissance des nombres
// et ne pas confondre 4 et 45 par exemple.
function f2_3(&$nbs_ennonce, $nbs_reponse, $type_d_operation)
{
$is_nb0 = strstr($nbs_ennonce, " ".$nbs_reponse[0].",");
$is_nb1 = strstr($nbs_ennonce, " ".$nbs_reponse[1].",");
// Test de la substraction inverse
if ($type_d_operation === Type_d_Operation::substraction
&& $nbs_reponse[0] < $nbs_reponse[1])
{
if ($is_nb0 === FALSE)
$nbs_ennonce .= " ".$nbs_reponse[0].",";
if ($is_nb1 === FALSE)
$nbs_ennonce .= " ".$nbs_reponse[1].",";
return Type_de_Resolution::substraction_inverse;
}
// Reste
if ($is_nb0 !== FALSE)
{
if ($is_nb1 !== FALSE)
{
// On ajoute le resultat aux nombres connus :
$nbs_ennonce .= " ".$nbs_reponse[2].",";
return Type_de_Resolution::simple_operation;
}
else
{
$nbs_ennonce .= " ".$nbs_reponse[1].",";
return Type_de_Resolution::operation_a_trou;
}
}
else
{
if ($is_nb1 !== FALSE)
{
$nbs_ennonce .= " ".$nbs_reponse[0].",";
return Type_de_Resolution::operation_a_trou;
}
else
{
$nbs_ennonce .= " ".$nbs_reponse[0].",";
$nbs_ennonce .= " ".$nbs_reponse[1].",";
return Type_de_Resolution::uninterpretable;
}
}
}
?>