ddex-parser 0.4.5

High-performance DDEX XML parser with SIMD optimization (40+ MB/s)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

use std::fmt;

pub type Result<T> = std::result::Result<T, ParseError>;

#[derive(Debug, Clone)]
pub enum ParseError {
    MissingField(String),
    InvalidValue { field: String, value: String },
    XmlError(String),
    StreamError(StreamError),
    InvalidUtf8 { message: String },
    SimpleXmlError(String),
    ConversionError { from: String, to: String, message: String },
    IoError(String),
    Timeout { message: String },
    DepthLimitExceeded { depth: usize, limit: usize },
    SecurityViolation { message: String },
    MalformedXml { message: String, position: usize },
    MismatchedTags { expected: String, found: String, position: usize },
    UnexpectedClosingTag { tag: String, position: usize },
    InvalidAttribute { message: String, position: usize },
    UnclosedTags { tags: Vec<String>, position: usize },
}

#[derive(Debug, Clone)]
pub enum StreamError {
    MissingReleaseReference,
    MissingResourceReference,
    MissingDealReference,
    MissingPartyReference,
    IncompleteData(String),
}

impl fmt::Display for ParseError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match self {
            ParseError::MissingField(field) => {
                write!(f, "Required DDEX field missing: {}", field)
            }
            ParseError::InvalidValue { field, value } => {
                write!(f, "Invalid value '{}' for field '{}'", value, field)
            }
            ParseError::XmlError(msg) => write!(f, "XML parsing error: {}", msg),
            ParseError::StreamError(e) => write!(f, "Streaming error: {:?}", e),
            ParseError::InvalidUtf8 { message } => write!(f, "UTF-8 error: {}", message),
            ParseError::SimpleXmlError(msg) => write!(f, "Simple XML error: {}", msg),
            ParseError::ConversionError { from, to, message } => {
                write!(f, "Conversion error from {} to {}: {}", from, to, message)
            }
            ParseError::IoError(msg) => write!(f, "IO error: {}", msg),
            ParseError::Timeout { message } => write!(f, "Timeout: {}", message),
            ParseError::DepthLimitExceeded { depth, limit } => write!(f, "Depth limit exceeded: {} > {}", depth, limit),
            ParseError::SecurityViolation { message } => write!(f, "Security violation: {}", message),
            ParseError::MalformedXml { message, position } => write!(f, "Malformed XML at position {}: {}", position, message),
            ParseError::MismatchedTags { expected, found, position } => write!(f, "Mismatched tags at position {}: expected '{}', found '{}'", position, expected, found),
            ParseError::UnexpectedClosingTag { tag, position } => write!(f, "Unexpected closing tag '{}' at position {}", tag, position),
            ParseError::InvalidAttribute { message, position } => write!(f, "Invalid attribute at position {}: {}", position, message),
            ParseError::UnclosedTags { tags, position } => write!(f, "Unclosed tags at position {}: {:?}", position, tags),
        }
    }
}

impl std::error::Error for ParseError {}

// From implementations for error conversion
impl From<std::io::Error> for ParseError {
    fn from(err: std::io::Error) -> Self {
        ParseError::IoError(err.to_string())
    }
}

impl From<std::str::Utf8Error> for ParseError {
    fn from(err: std::str::Utf8Error) -> Self {
        ParseError::InvalidUtf8 { message: err.to_string() }
    }
}

impl From<quick_xml::Error> for ParseError {
    fn from(err: quick_xml::Error) -> Self {
        ParseError::XmlError(err.to_string())
    }
}

impl From<quick_xml::events::attributes::AttrError> for ParseError {
    fn from(err: quick_xml::events::attributes::AttrError) -> Self {
        ParseError::XmlError(format!("Attribute parsing error: {}", err))
    }
}

impl From<String> for ParseError {
    fn from(err: String) -> Self {
        ParseError::SimpleXmlError(err)
    }
}