swf_parser/
lib.rs

1pub mod complete;
2mod stream_buffer;
3pub mod streaming;
4
5pub use swf_types;
6
7pub use complete::tag::parse_tag;
8pub use complete::{parse_swf, SwfParseError};
9
10#[cfg(test)]
11mod tests {
12  use crate::parse_swf;
13  use ::swf_types::Movie;
14  use ::test_generator::test_resources;
15  use nom::IResult as NomResult;
16  use std::io::Write;
17  use std::path::Path;
18
19  #[test_resources("../tests/movies/*/")]
20  fn test_parse_movie(path: &str) {
21    use serde::Serialize;
22
23    let path: &Path = Path::new(path);
24    let _name = path
25      .components()
26      .last()
27      .unwrap()
28      .as_os_str()
29      .to_str()
30      .expect("Failed to retrieve sample name");
31    let movie_path = path.join("main.swf");
32    let movie_bytes: Vec<u8> = ::std::fs::read(movie_path).expect("Failed to read movie");
33
34    let actual_movie = parse_swf(&movie_bytes).expect("Failed to parse movie");
35
36    let actual_ast_path = path.join("local-ast.rs.json");
37    let actual_ast_file = ::std::fs::File::create(actual_ast_path).expect("Failed to create actual AST file");
38    let actual_ast_writer = ::std::io::BufWriter::new(actual_ast_file);
39
40    let mut ser = serde_json_v8::Serializer::pretty(actual_ast_writer);
41    actual_movie.serialize(&mut ser).expect("Failed to write actual AST");
42    ser.into_inner().write_all(b"\n").unwrap();
43
44    // assert_eq!(remaining_input, &[] as &[u8]);
45
46    let ast_path = path.join("ast.json");
47    let ast_file = ::std::fs::File::open(ast_path).expect("Failed to open AST");
48    let ast_reader = ::std::io::BufReader::new(ast_file);
49    let expected_movie = serde_json_v8::from_reader::<_, Movie>(ast_reader).expect("Failed to read AST");
50
51    assert_eq!(actual_movie, expected_movie);
52  }
53
54  macro_rules! test_various_parser_impl_any {
55    ($(#[$meta:meta])* $name:ident<$type:ty>, $parser:path, $check: expr $(,)?) => {
56      $(#[$meta])*
57      fn $name(path: &str) {
58        let path: &Path = Path::new(path);
59        let _name = path
60          .components()
61          .last()
62          .unwrap()
63          .as_os_str()
64          .to_str()
65          .expect("Failed to retrieve sample name");
66        let input_path = path.join("input.bytes");
67        let input_bytes: Vec<u8> = ::std::fs::read(input_path).expect("Failed to read input");
68
69        let (remaining_bytes, actual_value): (&[u8], $type) = ($parser)(&input_bytes).expect("Failed to parse");
70
71        let expected_path = path.join("value.json");
72        let expected_file = ::std::fs::File::open(expected_path).expect("Failed to open expected value file");
73        let expected_reader = ::std::io::BufReader::new(expected_file);
74        let expected_value = serde_json_v8::from_reader::<_, $type>(expected_reader).expect("Failed to read AST");
75
76        #[allow(clippy::redundant_closure_call)]
77        ($check)(actual_value, expected_value);
78        assert_eq!(remaining_bytes, &[] as &[u8]);
79      }
80    };
81  }
82
83  macro_rules! test_various_parser_impl_eq {
84    ($(#[$meta:meta])* $name:ident<$type:ty>, $parser:path $(,)?) => {
85      test_various_parser_impl_any!(
86        $(#[$meta])* $name<$type>,
87        $parser,
88        |actual_value, expected_value| { assert_eq!(actual_value, expected_value) },
89      );
90    };
91  }
92
93  macro_rules! test_various_parser_impl_is {
94    ($(#[$meta:meta])* $name:ident<$type:ty>, $parser:path $(,)?) => {
95      test_various_parser_impl_any!(
96        $(#[$meta])* $name<$type>,
97        $parser,
98        |actual_value: $type, expected_value: $type| { assert!(crate::swf_types::float_is::Is::is(&actual_value, &expected_value)) },
99      );
100    };
101  }
102
103  test_various_parser_impl_is!(
104    #[test_resources("../tests/various/float16-le/*/")] test_parse_le_f16<f32>,
105    crate::streaming::basic_data_types::parse_le_f16,
106  );
107
108  test_various_parser_impl_eq!(
109    #[test_resources("../tests/various/matrix/*/")] test_parse_matrix<swf_types::Matrix>,
110    crate::streaming::basic_data_types::parse_matrix,
111  );
112
113  fn parse_header34(input: &[u8]) -> NomResult<&[u8], swf_types::Header> {
114    crate::streaming::movie::parse_header(input, 34)
115  }
116
117  test_various_parser_impl_eq!(
118    #[test_resources("../tests/various/header/*/")] test_parse_header<swf_types::Header>,
119    parse_header34,
120  );
121
122  test_various_parser_impl_eq!(
123    #[test_resources("../tests/various/rect/*/")] test_parse_rect<swf_types::Rect>,
124    crate::streaming::basic_data_types::parse_rect,
125  );
126
127  test_various_parser_impl_eq!(
128    #[test_resources("../tests/various/swf-signature/*/")] test_parse_swf_signature<swf_types::SwfSignature>,
129    crate::streaming::movie::parse_swf_signature,
130  );
131
132  test_various_parser_impl_eq!(
133    #[test_resources("../tests/various/uint32-leb128/*/")] test_parse_leb128_u32<u32>,
134    crate::streaming::basic_data_types::parse_leb128_u32,
135  );
136}