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use std::io::Error;
use std::path::PathBuf;
use std::str;
use advreader::AdvReturnValue;
use pyo3::conversion::IntoPy;
use pyo3::exceptions::{PyFileNotFoundError, PyValueError};
use pyo3::prelude::*;
use pyo3::types::{PyTuple, PyType};
pub mod return_value;
use return_value::{AdvReturnValueEnum, ReturnValueEnum};
#[pyclass]
#[derive(Debug)]
pub struct AdvReader {
pub path: PathBuf,
pub reader: advreader::AdvReaderIter,
pub errors: Vec<Error>,
pub return_type: bool,
}
#[pymethods]
impl AdvReader {
#[new]
fn __new__(
path: PathBuf,
buffer_size: Option<usize>,
trim: Option<bool>,
line_end: Option<u8>,
skip_comments: Option<bool>,
encode_comments: Option<bool>,
encode_strings: Option<bool>,
encoder: Option<String>,
allow_invalid_utf8: Option<bool>,
extended_word_separation: Option<bool>,
double_double_quote_escape: Option<bool>,
convert2numbers: Option<bool>,
keep_base: Option<bool>,
bool_false: Option<Vec<u8>>,
bool_true: Option<Vec<u8>>,
return_type: Option<bool>,
) -> PyResult<Self> {
let reader = advreader::AdvReader::new(
&path,
buffer_size,
trim,
line_end,
skip_comments,
encode_comments,
encode_strings,
encoder,
allow_invalid_utf8,
extended_word_separation,
double_double_quote_escape,
convert2numbers,
keep_base,
bool_false,
bool_true,
None,
);
if let Err(e) = reader {
return Err(PyFileNotFoundError::new_err(e.to_string()));
}
Ok(AdvReader {
path,
reader: reader.unwrap().into_iter(),
errors: Vec::new(),
return_type: return_type.unwrap_or(false),
})
}
fn __enter__(slf: PyRef<Self>) -> PyResult<PyRef<Self>> {
Ok(slf)
}
fn __exit__(
&mut self,
ty: Option<&PyType>,
_value: Option<&PyAny>,
_traceback: Option<&PyAny>,
py: Python,
) -> PyResult<bool> {
if let Err(e) = self.reader.stop() {
return Err(PyValueError::new_err(e.to_string()));
}
match ty {
Some(ty) => {
if ty.eq(py.get_type::<PyValueError>()).unwrap() {
Ok(true)
} else {
Ok(false)
}
}
None => Ok(false),
}
}
fn stop(&mut self) -> PyResult<bool> {
if let Err(e) = self.reader.stop() {
return Err(PyValueError::new_err(e.to_string()));
}
Ok(true)
}
fn next(&mut self, py: Python) -> PyResult<PyObject> {
match self.reader.next() {
Some(s) => match s {
Ok(v) => {
if self.return_type {
match v {
AdvReturnValue::Bytes(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Bytes.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::String(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::String.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Comment(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Comment.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::LineComment(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::LineComment.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::StringUtf8(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::StringUtf8.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::CommentUtf8(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::CommentUtf8.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::LineCommentUtf8(w) => {
return Ok(PyTuple::new(
py,
&[
AdvReturnValueEnum::LineCommentUtf8.into_py(py),
w.to_object(py),
],
)
.into())
}
AdvReturnValue::Bool(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Bool.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Int(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Int.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Float(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Float.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Hex(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Hex.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Oct(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Oct.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Bin(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Bin.into_py(py), w.to_object(py)],
)
.into())
}
AdvReturnValue::Block(w) => {
return Ok(PyTuple::new(
py,
&[AdvReturnValueEnum::Bin.into_py(py), w.to_object(py)],
)
.into())
}
}
} else {
match v {
AdvReturnValue::Bytes(w) => Ok(w.to_object(py)),
AdvReturnValue::String(w) => Ok(w.to_object(py)),
AdvReturnValue::Comment(w) => Ok(w.to_object(py)),
AdvReturnValue::LineComment(w) => Ok(w.to_object(py)),
AdvReturnValue::StringUtf8(w) => Ok(w.to_object(py)),
AdvReturnValue::CommentUtf8(w) => Ok(w.to_object(py)),
AdvReturnValue::LineCommentUtf8(w) => Ok(w.to_object(py)),
AdvReturnValue::Bool(w) => Ok(w.into_py(py)),
AdvReturnValue::Int(w) => Ok(w.into_py(py)),
AdvReturnValue::Float(w) => Ok(w.into_py(py)),
AdvReturnValue::Hex(w) => Ok(w.into_py(py)),
AdvReturnValue::Oct(w) => Ok(w.into_py(py)),
AdvReturnValue::Bin(w) => Ok(w.into_py(py)),
AdvReturnValue::Block(w) => Ok(w.into_py(py)),
}
}
}
Err(e) => Err(PyValueError::new_err(e.to_string())),
},
None => Ok(py.None()),
}
}
#[getter]
fn path(&self) -> PyResult<String> {
Ok(self.path.clone().into_os_string().into_string().unwrap())
}
#[getter]
fn line_nr(&self) -> PyResult<usize> {
Ok(self.reader.line_nr())
}
#[getter]
fn errors(&self) -> PyResult<Vec<String>> {
let mut errors: Vec<String> = Vec::new();
for error in self.errors.iter() {
errors.push(format!("{}", error));
}
Ok(errors)
}
}
#[pymodule]
fn pyadvreader(_py: Python, m: &PyModule) -> PyResult<()> {
m.add("__version__", env!("CARGO_PKG_VERSION"))?;
m.add_class::<AdvReader>()?;
m.add_class::<ReturnValueEnum>()?;
Ok(())
}