nulib/php/src_base/ValueException.php

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<?php
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namespace nulib;
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/**
* Class ValueException: indiquer qu'une valeur est invalide
*/
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class ValueException extends UserException {
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private static function value($value): string {
if (is_object($value)) {
return "<".get_class($value).">";
} elseif (is_array($value)) {
$values = $value;
$parts = [];
foreach ($values as $value) {
$parts[] = self::value($value);
}
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return "[" . implode(", ", $parts) . "]";
} elseif (is_string($value)) {
return $value;
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} else {
return var_export($value, true);
}
}
private static function message($value, ?string $message, ?string $kind, ?string $prefix, ?string $suffix): string {
if ($kind === null) $kind = "value";
if ($message === null) $message = "$kind$suffix";
if ($value !== null) {
$value = self::value($value);
if ($prefix) $prefix = "$prefix: $value";
else $prefix = $value;
}
if ($prefix) $prefix = "$prefix: ";
return $prefix.$message;
}
static final function null(?string $kind=null, ?string $prefix=null, ?string $message=null): self {
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return new static(self::message(null, $message, $kind, $prefix, " should not be null"));
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}
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static final function invalid_kind($value=null, ?string $kind=null, ?string $prefix=null, ?string $message=null): self {
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return new static(self::message($value, $message, $kind, $prefix, " is invalid"));
}
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static final function invalid_key($value, ?string $prefix=null, ?string $message=null): self {
return self::invalid_kind($value, "key", $prefix, $message);
}
static final function invalid_value($value, ?string $prefix=null, ?string $message=null): self {
return self::invalid_kind($value, "value", $prefix, $message);
}
static final function invalid_type($value, string $expected_type): self {
return new static(self::message($value, null, "type", null, " is invalid, expected $expected_type"));
}
static final function invalid_class($class, string $expected_class): self {
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if (is_object($class)) $class = get_class($class);
return new static(self::message($class, null, "class", null, " is invalid, expected $expected_class"));
}
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static final function forbidden($value=null, ?string $kind=null, ?string $prefix=null, ?string $message=null): self {
return new static(self::message($value, $message, $kind, $prefix, " is forbidden"));
}
}