44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
use minisql::{operation::Operation, interpreter::DbSchema};
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use crate::syntax::RawQuerySyntax;
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use nom::{branch::alt, multi::many0, IResult};
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use thiserror::Error;
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use crate::{parsing::{create::parse_create, delete::parse_delete, index::parse_create_index, insert::parse_insert, select::parse_select}, validation::{validate_operation, ValidationError}};
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#[derive(Debug, Error)]
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pub enum Error {
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#[error("parsing error: {0}")]
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ParsingError(String),
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#[error("validation error: {0}")]
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ValidationError(#[from] ValidationError)
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}
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pub fn parse_statement<'a>(input: &'a str) -> IResult<&str, RawQuerySyntax> {
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alt((
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parse_insert,
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parse_create,
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parse_delete,
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//parse_drop,
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parse_select,
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// parse_update,
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parse_create_index
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))(input)
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}
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pub fn parse_statements<'a>(input: &'a str) -> IResult<&str, Vec<RawQuerySyntax>> {
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many0(parse_statement)(input)
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}
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pub fn parse_and_validate(str_query: String, db_schema: &DbSchema) -> Result<Operation, Error> {
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let (_, op) = parse_statement(str_query.as_str())
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.map_err(|err| {
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Error::ParsingError(err.to_string())
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})?;
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Ok(validate_operation(op, db_schema)?)
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}
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// #[test]
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// fn test_select() {
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// parse_and_validate("SELECT * FROM users;".to_string(), &Vec::new()).unwrap();
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// }
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