432514d350
Collects in-progress work across forms (Ch/Tx field handling, value_text edge cases), layout corrections, stream parser fixes, conformance test expansion, security audit test (TH-08), stream-decoder bomb fixture, debug examples reorganization under examples/debug/, sdk module scaffold, xtask CLI enhancements, and provenance entries for new fixtures. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
57 lines
2.1 KiB
Rust
57 lines
2.1 KiB
Rust
use pdftract_core::parser::object::ObjectParser;
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use pdftract_core::parser::stream::{MemorySource, PdfSource};
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use pdftract_core::parser::xref;
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fn main() {
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let path = "tests/fixtures/tagged-suspects-false.pdf";
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let mut file = std::fs::File::open(path).unwrap();
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let mut buffer = Vec::new();
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std::io::Read::read_to_end(&mut file, &mut buffer).unwrap();
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// Find startxref
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let search_bytes = &buffer[buffer.len().saturating_sub(1024)..];
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let pos = search_bytes
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.windows(9)
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.rposition(|w| w == b"startxref")
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.unwrap();
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let start = buffer.len().saturating_sub(1024) + pos + 9;
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// Skip whitespace
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let mut offset_start = start;
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while offset_start < buffer.len() && buffer[offset_start].is_ascii_whitespace() {
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offset_start += 1;
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}
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let mut offset_end = offset_start;
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while offset_end < buffer.len() && buffer[offset_end].is_ascii_digit() {
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offset_end += 1;
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}
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let offset_str = std::str::from_utf8(&buffer[offset_start..offset_end]).unwrap();
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let start_offset: u64 = offset_str.parse().unwrap();
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let source = MemorySource::new(buffer);
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let xref_section = xref::load_xref_with_prev_chain(&source, start_offset);
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// Check object 1 specifically
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if let Some(entry) = xref_section.entries.get(&1) {
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if let xref::XrefEntry::InUse { offset, gen_nr } = entry {
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println!("Object 1: offset={}, gen={}", offset, gen_nr);
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// Read the object at that offset
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let obj_bytes = source.read_at(*offset, 200).expect("Failed to read object");
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let obj_str = std::str::from_utf8(&obj_bytes).expect("Invalid UTF-8");
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println!("Object content (first 200 bytes): {:?}", obj_str);
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// Try parsing the object
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let mut parser = ObjectParser::new(&obj_bytes);
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if let Some(obj) = parser.parse_direct_object() {
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println!("Parsed object: {:?}", obj);
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} else {
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println!("Failed to parse object");
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println!("Diagnostics: {:?}", parser.take_diagnostics());
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}
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}
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}
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}
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