59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
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use std::collections::HashMap;
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use std::fmt::{Debug, Display, Error, Formatter};
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use crate::lang::MpsTypePrimitive;
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//use crate::lang::RuntimeError;
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//use crate::processing::OpGetter;
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/// general type object for MPS
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#[derive(Clone, Debug, Default)]
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pub struct MpsItem {
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fields: HashMap<String, MpsTypePrimitive>,
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}
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impl MpsItem {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn field(&self, name: &str) -> Option<&MpsTypePrimitive> {
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self.fields.get(name)
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}
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pub fn set_field(&mut self, name: &str, value: MpsTypePrimitive) -> Option<MpsTypePrimitive> {
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self.fields.insert(name.to_owned(), value)
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}
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pub fn set_field_chain(&mut self, name: &str, value: MpsTypePrimitive) -> &mut Self {
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self.set_field(name, value);
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self
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}
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pub fn remove_field(&mut self, name: &str) -> Option<MpsTypePrimitive> {
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self.fields.remove(name)
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}
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}
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impl Display for MpsItem {
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fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
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write!(f, "MpsItem[({} fields)]", self.fields.len())
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}
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}
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/*pub(crate) trait MpsItemRuntimeUtil {
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fn get_field_runtime(&self, name: &str, op: &mut OpGetter) -> Result<&MpsTypePrimitive, RuntimeError>;
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}
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impl MpsItemRuntimeUtil for MpsItem {
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fn get_field_runtime(&self, name: &str, op: &mut OpGetter) -> Result<&MpsTypePrimitive, RuntimeError> {
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match self.field(name) {
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Some(item) => Ok(item),
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None => Err(RuntimeError{
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line: 0,
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op: op(),
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msg: format!("Field {} not found on item", name),
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})
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}
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}
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}*/
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