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use std::{convert::TryFrom, fmt::Display};
use crate::{
bindings::{
IS_ARRAY, IS_CALLABLE, IS_CONSTANT_AST, IS_DOUBLE, IS_FALSE, IS_LONG, IS_MIXED, IS_NULL,
IS_OBJECT, IS_REFERENCE, IS_RESOURCE, IS_STRING, IS_TRUE, IS_UNDEF, IS_VOID, _IS_BOOL,
},
errors::{Error, Result},
php::flags::ZvalTypeFlags,
};
#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
#[repr(u32)]
pub enum DataType {
Undef = IS_UNDEF,
Null = IS_NULL,
False = IS_FALSE,
True = IS_TRUE,
Long = IS_LONG,
Double = IS_DOUBLE,
String = IS_STRING,
Array = IS_ARRAY,
Object = IS_OBJECT,
Resource = IS_RESOURCE,
Reference = IS_REFERENCE,
Callable = IS_CALLABLE,
ConstantExpression = IS_CONSTANT_AST,
Void = IS_VOID,
Mixed = IS_MIXED,
Bool = _IS_BOOL,
}
impl TryFrom<ZvalTypeFlags> for DataType {
type Error = Error;
fn try_from(value: ZvalTypeFlags) -> Result<Self> {
macro_rules! contains {
($t: ident) => {
if value.contains(ZvalTypeFlags::$t) {
return Ok(DataType::$t);
}
};
}
contains!(Undef);
contains!(Null);
contains!(False);
contains!(True);
contains!(False);
contains!(Long);
contains!(Double);
contains!(String);
contains!(Array);
contains!(Object);
contains!(Resource);
contains!(Callable);
contains!(ConstantExpression);
contains!(Void);
Err(Error::UnknownDatatype(0))
}
}
impl TryFrom<u32> for DataType {
type Error = Error;
#[allow(clippy::bad_bit_mask)]
fn try_from(value: u32) -> Result<Self> {
macro_rules! contains {
($c: ident, $t: ident) => {
if (value & $c) == $c {
return Ok(DataType::$t);
}
};
}
contains!(IS_VOID, Void);
contains!(IS_CALLABLE, Callable);
contains!(IS_CONSTANT_AST, ConstantExpression);
contains!(IS_CONSTANT_AST, ConstantExpression);
contains!(IS_CONSTANT_AST, ConstantExpression);
contains!(IS_REFERENCE, Reference);
contains!(IS_RESOURCE, Resource);
contains!(IS_OBJECT, Object);
contains!(IS_ARRAY, Array);
contains!(IS_STRING, String);
contains!(IS_DOUBLE, Double);
contains!(IS_LONG, Long);
contains!(IS_TRUE, True);
contains!(IS_FALSE, False);
contains!(IS_NULL, Null);
contains!(IS_UNDEF, Undef);
Err(Error::UnknownDatatype(value))
}
}
impl Display for DataType {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
DataType::Undef => write!(f, "Undefined"),
DataType::Null => write!(f, "Null"),
DataType::False => write!(f, "False"),
DataType::True => write!(f, "True"),
DataType::Long => write!(f, "Long"),
DataType::Double => write!(f, "Double"),
DataType::String => write!(f, "String"),
DataType::Array => write!(f, "Array"),
DataType::Object => write!(f, "Object"),
DataType::Resource => write!(f, "Resource"),
DataType::Reference => write!(f, "Reference"),
DataType::Callable => write!(f, "Callable"),
DataType::ConstantExpression => write!(f, "Constant Expression"),
DataType::Void => write!(f, "Void"),
DataType::Bool => write!(f, "Bool"),
DataType::Mixed => write!(f, "Mixed"),
}
}
}
#[cfg(test)]
mod tests {
use super::DataType;
use crate::bindings::{
IS_ARRAY, IS_ARRAY_EX, IS_CALLABLE, IS_CONSTANT_AST, IS_CONSTANT_AST_EX, IS_DOUBLE,
IS_FALSE, IS_INTERNED_STRING_EX, IS_LONG, IS_NULL, IS_OBJECT, IS_OBJECT_EX, IS_REFERENCE,
IS_REFERENCE_EX, IS_RESOURCE, IS_RESOURCE_EX, IS_STRING, IS_STRING_EX, IS_TRUE, IS_UNDEF,
IS_VOID,
};
use std::convert::TryFrom;
#[test]
fn test_datatype() {
macro_rules! test {
($c: ident, $t: ident) => {
assert_eq!(DataType::try_from($c), Ok(DataType::$t));
};
}
test!(IS_UNDEF, Undef);
test!(IS_NULL, Null);
test!(IS_FALSE, False);
test!(IS_TRUE, True);
test!(IS_LONG, Long);
test!(IS_DOUBLE, Double);
test!(IS_STRING, String);
test!(IS_ARRAY, Array);
test!(IS_OBJECT, Object);
test!(IS_RESOURCE, Resource);
test!(IS_REFERENCE, Reference);
test!(IS_CONSTANT_AST, ConstantExpression);
test!(IS_CALLABLE, Callable);
test!(IS_VOID, Void);
test!(IS_INTERNED_STRING_EX, String);
test!(IS_STRING_EX, String);
test!(IS_ARRAY_EX, Array);
test!(IS_OBJECT_EX, Object);
test!(IS_RESOURCE_EX, Resource);
test!(IS_REFERENCE_EX, Reference);
test!(IS_CONSTANT_AST_EX, ConstantExpression);
}
}