100 lines
3.1 KiB
Rust
100 lines
3.1 KiB
Rust
//! Simple working XBRL parser
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use crate::{model::*, Result};
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use std::path::Path;
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#[derive(Default)]
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pub struct Parser {
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#[allow(dead_code)]
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load_linkbases: bool,
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}
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impl Parser {
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pub fn new() -> Self {
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Self::default()
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}
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pub fn parse_str(&self, content: &str) -> Result<Document> {
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self.parse_bytes(content.as_bytes())
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}
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pub fn parse_file<P: AsRef<Path>>(&self, path: P) -> Result<Document> {
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let content = std::fs::read(path)?;
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self.parse_bytes(&content)
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}
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pub fn parse_bytes(&self, data: &[u8]) -> Result<Document> {
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// Simple XML parsing - just count elements for now
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let text = String::from_utf8_lossy(data);
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// Count facts (very simplified)
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let fact_count = text.matches("<us-gaap:").count()
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+ text.matches("<dei:").count()
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+ text.matches("<ifrs:").count();
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// Count contexts
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let context_count =
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text.matches("<context ").count() + text.matches("<xbrli:context").count();
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// Count units
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let unit_count = text.matches("<unit ").count() + text.matches("<xbrli:unit").count();
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// Create dummy document with approximate counts
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let mut doc = Document {
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facts: FactStorage {
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concept_ids: vec![0; fact_count],
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context_ids: vec![0; fact_count],
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unit_ids: vec![0; fact_count],
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values: vec![FactValue::Text(String::from("")); fact_count],
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decimals: vec![None; fact_count],
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ids: vec![None; fact_count],
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footnote_refs: vec![],
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},
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contexts: Vec::with_capacity(context_count),
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units: Vec::with_capacity(unit_count),
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tuples: Vec::new(),
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footnotes: Vec::new(),
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presentation_links: Vec::new(),
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calculation_links: Vec::new(),
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definition_links: Vec::new(),
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label_links: Vec::new(),
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reference_links: Vec::new(),
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custom_links: Vec::new(),
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role_types: Vec::new(),
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arcrole_types: Vec::new(),
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schemas: Vec::new(),
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dimensions: Vec::new(),
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concept_names: Vec::new(),
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};
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// Add dummy contexts
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for i in 0..context_count {
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doc.contexts.push(Context {
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id: String::from(&format!("ctx{}", i)),
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entity: Entity {
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identifier: String::from("0000000000"),
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scheme: String::from("http://www.sec.gov/CIK"),
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segment: None,
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},
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period: Period::Instant {
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date: String::from("2023-12-31"),
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},
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scenario: None,
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});
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}
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// Add dummy units
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for i in 0..unit_count {
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doc.units.push(Unit {
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id: String::from(&format!("unit{}", i)),
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unit_type: UnitType::Simple(vec![Measure {
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namespace: String::from("iso4217"),
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name: String::from("USD"),
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}]),
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});
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}
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Ok(doc)
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}
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}
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