pptxboss-core 0.3.0

PresentationML (.pptx) reader in pure Rust: ZIP container, OPC package, XML tokenizer and the document model (ECMA-376)
Documentation
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use pptxboss_core::document::Located;
use pptxboss_core::{Content, Document, Error, MarkdownOptions, TextOptions};
use pptxboss_testkit::{Deck, DeckSlide, PptDeck, PptSlide, ZipBuilder};

const PNG: &[u8] = &[
    0x89, b'P', b'N', b'G', 0x0d, 0x0a, 0x1a, 0x0a, 0, 0, 0, 13, b'I', b'H', b'D', b'R',
];

fn deck() -> Deck {
    Deck::new()
        .slide(DeckSlide::titled("First slide").bullet("Alpha").bullet("Beta & Gamma"))
        .slide(DeckSlide::titled("Second slide").bullet("One").notes("Speaker notes here"))
        .slide(DeckSlide::titled("Hidden slide").hidden())
        .slide(
            DeckSlide::default()
                .shapes_xml(r#"<p:pic><p:nvPicPr><p:cNvPr id="4" name="Picture 3"/><p:cNvPicPr/><p:nvPr/></p:nvPicPr><p:blipFill><a:blip r:embed="rId3"/></p:blipFill><p:spPr/></p:pic><p:sp><p:nvSpPr><p:cNvPr id="5" name="Link"/><p:cNvSpPr txBox="1"/><p:nvPr/></p:nvSpPr><p:spPr/><p:txBody><a:bodyPr/><a:p><a:r><a:rPr lang="en-US"><a:hlinkClick r:id="rId4"/></a:rPr><a:t>click</a:t></a:r></a:p></p:txBody></p:sp>"#)
                .rel("rId3", "image", "../media/image1.png", false)
                .rel("rId4", "hyperlink", "https://example.com/?q=1&r=2", true),
        )
        .media("image1.png", PNG, "image/png")
}

#[test]
fn slides_titles_text_and_notes_are_read_in_order() {
    let doc = Document::load(deck().build()).unwrap();
    assert_eq!(doc.slide_count(), 4);
    assert_eq!(doc.presentation_part(), "/ppt/presentation.xml");
    assert_eq!(doc.defects().located, Located::Relationship);
    assert!(doc.defects().unresolved_slides.is_empty());
    assert_eq!(doc.slide_refs()[1].part, "/ppt/slides/slide2.xml");
    assert_eq!(doc.slide_refs()[1].id, Some(257));

    let first = doc.slide(0).unwrap();
    assert_eq!(first.number(), 1);
    assert_eq!(first.title().as_deref(), Some("First slide"));
    assert_eq!(first.text(), "First slide\nAlpha\nBeta & Gamma");
    assert!(first.report.is_empty());
    assert_eq!(first.notes_text().unwrap(), None);
    assert_eq!(
        first.layout_part().unwrap().as_deref(),
        Some("/ppt/slideLayouts/slideLayout1.xml")
    );

    let second = doc.slide(1).unwrap();
    assert_eq!(
        second.notes_part().unwrap().as_deref(),
        Some("/ppt/notesSlides/notesSlide2.xml")
    );
    assert_eq!(
        second.notes_text().unwrap().as_deref(),
        Some("Speaker notes here")
    );

    let third = doc.slide(2).unwrap();
    assert!(third.is_hidden());

    assert_eq!(
        doc.text(),
        "First slide\nAlpha\nBeta & Gamma\n\nSecond slide\nOne\n\nHidden slide\n\nclick"
    );
    let (texts, report) = doc.slide_texts(&TextOptions {
        notes: true,
        hidden_slides: false,
        ..TextOptions::default()
    });
    assert_eq!(
        texts,
        [
            "First slide\nAlpha\nBeta & Gamma",
            "Second slide\nOne\nSpeaker notes here",
            "",
            "click"
        ]
    );
    assert_eq!(report.hidden_slides_skipped, 1);
    assert!(report.is_complete());
    assert!(matches!(doc.slide(4), Err(Error::SlideNotFound(4))));
}

#[test]
fn images_and_hyperlinks_resolve_through_slide_relationships() {
    let doc = Document::load(deck().build()).unwrap();
    let slide = doc.slide(3).unwrap();
    let images = slide.images().unwrap();
    assert_eq!(images.len(), 1);
    assert_eq!(images[0].shape_id, 4);
    assert_eq!(images[0].part.as_deref(), Some("/ppt/media/image1.png"));
    assert_eq!(images[0].content_type.as_deref(), Some("image/png"));
    assert_eq!(slide.image_bytes(&images[0]).unwrap(), PNG);
    let link = slide.content.shapes[1].text_body().unwrap().paragraphs[0].runs[0]
        .props
        .hyperlink
        .clone()
        .unwrap();
    assert_eq!(
        slide.hyperlink_target(&link).unwrap().as_deref(),
        Some("https://example.com/?q=1&r=2")
    );
    assert_eq!(slide.hyperlink_target("rId99").unwrap(), None);
    assert!(matches!(
        &slide.content.shapes[0].content,
        Content::Picture(_)
    ));
}

#[test]
fn map_slides_runs_in_parallel_and_keeps_order() {
    let mut deck = Deck::new();
    for i in 0..40 {
        deck = deck.slide(DeckSlide::titled(&format!("Slide {i}")).bullet("x"));
    }
    let doc = Document::load(deck.build()).unwrap();
    let titles = doc.map_slides(|slide| slide.unwrap().title().unwrap());
    let expected: Vec<String> = (0..40).map(|i| format!("Slide {i}")).collect();
    assert_eq!(titles, expected);
    let seed = doc.seed();
    let from_thread =
        std::thread::spawn(move || Document::from_seed(seed).slide(39).unwrap().title())
            .join()
            .unwrap();
    assert_eq!(from_thread.as_deref(), Some("Slide 39"));
    let capped = Document::load(deck.build()).unwrap().with_threads(1);
    assert_eq!(capped.threads(), 1);
    assert_eq!(Document::from_seed(capped.seed()).threads(), 1);
    assert_eq!(
        capped.map_slides(|slide| slide.unwrap().title().unwrap()),
        expected
    );
    assert_eq!(capped.text(), doc.text());
}

#[test]
fn a_file_opens_with_positioned_reads() {
    let path = std::env::temp_dir().join(format!("pptxboss-doc-{}.pptx", std::process::id()));
    std::fs::write(&path, deck().build()).unwrap();
    let doc = Document::open(&path).unwrap();
    assert_eq!(
        doc.slide(0).unwrap().title().as_deref(),
        Some("First slide")
    );
    std::fs::remove_file(&path).unwrap();
}

#[test]
fn missing_slide_list_is_recovered_from_relationships() {
    let bare = br#"<p:presentation xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main"><p:notesSz cx="6858000" cy="9144000"/></p:presentation>"#;
    let doc = Document::load(deck().with_part("ppt/presentation.xml", bare).build()).unwrap();
    assert!(doc.defects().slides_recovered_from_rels);
    assert_eq!(doc.slide_count(), 4);
    assert_eq!(
        doc.slide(0).unwrap().title().as_deref(),
        Some("First slide")
    );
}

#[test]
fn unresolved_slides_are_skipped_and_recorded() {
    let doc = Document::load(deck().without_part("ppt/slides/slide2.xml").build()).unwrap();
    assert_eq!(doc.slide_count(), 3);
    assert_eq!(doc.defects().unresolved_slides.len(), 1);
    assert_eq!(doc.defects().unresolved_slides[0].0, 1);
    assert_eq!(
        doc.slide(1).unwrap().title().as_deref(),
        Some("Hidden slide")
    );
}

#[test]
fn the_presentation_is_found_without_package_relationships() {
    let doc = Document::load(deck().without_part("_rels/.rels").build()).unwrap();
    assert_eq!(doc.defects().located, Located::ContentType);
    assert_eq!(doc.slide_count(), 4);
    let doc = Document::load(
        deck()
            .without_part("_rels/.rels")
            .without_part("[Content_Types].xml")
            .build(),
    )
    .unwrap();
    assert_eq!(doc.defects().located, Located::ConventionalPath);
    assert_eq!(doc.slide(1).unwrap().text(), "Second slide\nOne");
}

#[test]
fn non_presentations_are_refused_with_a_reason() {
    assert!(matches!(
        Document::load(b"plain text".to_vec()),
        Err(Error::NotZip)
    ));
    let mut cfb = vec![0xd0, 0xcf, 0x11, 0xe0, 0xa1, 0xb1, 0x1a, 0xe1];
    cfb.resize(512, 0);
    let err = match Document::load(cfb) {
        Err(err) => err.to_string(),
        Ok(_) => panic!("a bare compound header is not a deck"),
    };
    assert!(err.contains("compound file"), "{err}");
    let zip = pptxboss_testkit::ZipBuilder::new()
        .stored("hello.txt", b"hi")
        .build();
    assert!(matches!(Document::load(zip), Err(Error::NotAPresentation)));
    let broken = deck()
        .with_part("ppt/presentation.xml", b"<p:presentation")
        .build();
    assert!(matches!(Document::load(broken), Err(Error::Xml { .. })));
}

#[test]
fn a_broken_slide_fails_alone_and_is_reported() {
    let doc = Document::load(
        deck()
            .with_part("ppt/slides/slide1.xml", b"<p:sld xmlns:p=\"x\"><p:cSld>")
            .build(),
    )
    .unwrap();
    assert!(matches!(doc.slide(0), Err(Error::Xml { .. })));
    assert_eq!(
        doc.slide(1).unwrap().title().as_deref(),
        Some("Second slide")
    );
    let (texts, report) = doc.slide_texts(&TextOptions::default());
    assert_eq!(texts[0], "");
    assert_eq!(report.failed_slides.len(), 1);
    assert_eq!(report.failed_slides[0].0, 0);
    assert!(!report.is_complete());
    assert!(report.warnings()[0].starts_with("slide 1: unreadable"));
}

fn rebuilt(
    deck: &Deck,
    mut transform: impl FnMut(&str, Vec<u8>, &mut Vec<(String, Vec<u8>)>),
) -> Vec<u8> {
    let mut entries: Vec<(String, Vec<u8>)> = Vec::new();
    for (name, bytes) in deck.parts() {
        transform(&name, bytes, &mut entries);
    }
    let mut builder = ZipBuilder::new();
    for (name, bytes) in &entries {
        builder = builder.deflated(name, bytes);
    }
    builder.build()
}

#[test]
fn interleaved_pieces_are_reassembled_into_one_part() {
    let deck = Deck::new().slide(DeckSlide::titled("Pieces").bullet("of eight"));
    let expected = Document::load(deck.build()).unwrap().text();
    let bytes = rebuilt(&deck, |name, bytes, entries| {
        if name != "ppt/slides/slide1.xml" {
            entries.push((name.to_string(), bytes));
            return;
        }
        let (head, rest) = bytes.split_at(50);
        let (middle, tail) = rest.split_at(50);
        entries.push(("ppt/slides/slide1.xml/[0].piece".into(), head.to_vec()));
        entries.push(("ppt/slides/slide1.xml/[1].piece".into(), middle.to_vec()));
        entries.push(("ppt/slides/slide1.xml/[2].LAST.piece".into(), tail.to_vec()));
    });
    let doc = Document::load(bytes).unwrap();
    assert_eq!(doc.text(), expected);
    let package = doc.package().expect("a package deck");
    let part = package
        .parts()
        .iter()
        .find(|part| part.name == "/ppt/slides/slide1.xml")
        .expect("logical part");
    assert_eq!(part.pieces.len(), 3);
    assert!(package.defects().incomplete_pieces.is_empty());
}

#[test]
fn a_utf16_slide_part_reads_like_utf8() {
    let deck = Deck::new().slide(DeckSlide::titled("Wide chars").bullet("ünïcödé"));
    let expected = Document::load(deck.build()).unwrap().text();
    let bytes = rebuilt(&deck, |name, bytes, entries| {
        if name != "ppt/slides/slide1.xml" {
            entries.push((name.to_string(), bytes));
            return;
        }
        let text = String::from_utf8(bytes).unwrap();
        let mut wide = vec![0xfe, 0xff];
        for unit in text.encode_utf16() {
            wide.extend(unit.to_be_bytes());
        }
        entries.push((name.to_string(), wide));
    });
    let doc = Document::load(bytes).unwrap();
    assert_eq!(doc.text(), expected);
    assert!(doc.text().contains("ünïcödé"));
}

const P: &str = "http://schemas.openxmlformats.org/presentationml/2006/main";
const A: &str = "http://schemas.openxmlformats.org/drawingml/2006/main";
const R: &str = "http://schemas.openxmlformats.org/officeDocument/2006/relationships";

#[test]
fn comments_of_both_flavours_resolve_their_authors() {
    let legacy_authors = format!(
        r#"<p:cmAuthorLst xmlns:p="{P}"><p:cmAuthor id="0" name="Ada" initials="A" lastIdx="1" clrIdx="0"/></p:cmAuthorLst>"#
    );
    let legacy_comments = format!(
        r#"<p:cmLst xmlns:p="{P}"><p:cm authorId="0" dt="2024-05-01T10:00:00.000" idx="1"><p:pos x="1" y="2"/><p:text>Tighten this</p:text></p:cm></p:cmLst>"#
    );
    let modern_authors = r#"<p188:authorLst xmlns:p188="http://schemas.microsoft.com/office/powerpoint/2018/8/main"><p188:author id="{G1}" name="Grace" initials="G" userId="g" providerId="AD"/></p188:authorLst>"#;
    let modern_comments = format!(
        r#"<p188:cmLst xmlns:p188="http://schemas.microsoft.com/office/powerpoint/2018/8/main" xmlns:a="{A}"><p188:cm id="{{C1}}" authorId="{{G1}}" created="2024-06-01T09:00:00.000"><p188:txBody><a:bodyPr/><a:p><a:r><a:t>Looks good</a:t></a:r></a:p></p188:txBody><p188:replyLst><p188:reply id="{{R1}}" authorId="{{G1}}" created="2024-06-01T10:00:00.000"><p188:txBody><a:bodyPr/><a:p><a:r><a:t>Thanks</a:t></a:r></a:p></p188:txBody></p188:reply></p188:replyLst></p188:cm></p188:cmLst>"#
    );
    let deck = Deck::new()
        .slide(DeckSlide::titled("One").bullet("first").rel(
            "rId7",
            "comments",
            "../comments/comment1.xml",
            false,
        ))
        .slide(DeckSlide::titled("Two").rel(
            "rId8",
            "http://schemas.microsoft.com/office/2018/10/relationships/comments",
            "../comments/modernComment_2.xml",
            false,
        ))
        .slide(DeckSlide::titled("Three"))
        .presentation_rel("rId40", "commentAuthors", "commentAuthors.xml")
        .presentation_rel(
            "rId41",
            "http://schemas.microsoft.com/office/2018/10/relationships/authors",
            "authors.xml",
        )
        .with_part("ppt/commentAuthors.xml", legacy_authors.as_bytes())
        .with_part("ppt/authors.xml", modern_authors.as_bytes())
        .with_part("ppt/comments/comment1.xml", legacy_comments.as_bytes())
        .with_part(
            "ppt/comments/modernComment_2.xml",
            modern_comments.as_bytes(),
        );
    let doc = Document::load(deck.build()).unwrap();
    assert_eq!(doc.comment_authors().len(), 2);
    let first = doc.slide(0).unwrap().comments().unwrap();
    assert_eq!(first.len(), 1);
    assert_eq!(first[0].author.as_deref(), Some("Ada"));
    assert_eq!(first[0].text, "Tighten this");
    let second = doc.slide(1).unwrap().comments().unwrap();
    assert_eq!(second.len(), 2);
    assert_eq!(second[0].author.as_deref(), Some("Grace"));
    assert_eq!(second[0].text, "Looks good");
    assert!(second[1].reply);
    assert_eq!(second[1].text, "Thanks");
    assert!(doc.slide(2).unwrap().comments().unwrap().is_empty());
    let options = TextOptions {
        comments: true,
        ..TextOptions::default()
    };
    let (text, report) = doc.text_reporting(&options);
    assert!(report.is_complete());
    assert!(text.contains("first\n[comment] Ada: Tighten this"));
    assert!(text.contains("[comment] Grace: Looks good\n  [reply] Grace: Thanks"));
    assert!(!doc.text().contains("[comment]"));
}

#[test]
fn sections_map_slide_ids_to_indexes() {
    let sections = r#"<p:extLst><p:ext uri="{521415D9-36F7-43E2-AB2F-B90AF26B5E84}"><p14:sectionLst xmlns:p14="http://schemas.microsoft.com/office/powerpoint/2010/main"><p14:section name="Intro" id="{A}"><p14:sldIdLst><p14:sldId id="256"/></p14:sldIdLst></p14:section><p14:section name="Body &amp; more" id="{B}"><p14:sldIdLst><p14:sldId id="257"/><p14:sldId id="999"/><p14:sldId id="258"/></p14:sldIdLst></p14:section><p14:section name="Empty" id="{C}"><p14:sldIdLst/></p14:section></p14:sectionLst></p:ext></p:extLst>"#;
    let deck = Deck::new()
        .slide(DeckSlide::titled("1"))
        .slide(DeckSlide::titled("2"))
        .slide(DeckSlide::titled("3"))
        .presentation_xml(sections);
    let doc = Document::load(deck.build()).unwrap();
    let sections = doc.sections();
    assert_eq!(sections.len(), 3);
    assert_eq!(sections[0].name, "Intro");
    assert_eq!(sections[0].slides, [0]);
    assert_eq!(sections[1].name, "Body & more");
    assert_eq!(sections[1].slides, [1, 2]);
    assert!(sections[2].slides.is_empty());
    assert!(
        Document::load(Deck::new().slide(DeckSlide::titled("x")).build())
            .unwrap()
            .sections()
            .is_empty()
    );
}

#[test]
fn core_and_app_properties_are_read_when_present() {
    let doc = Document::load(Deck::new().slide(DeckSlide::titled("x")).build()).unwrap();
    assert!(doc.core_properties().unwrap().is_some());
    assert!(doc.app_properties().unwrap().is_some());
    let core = r#"<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><dc:title>Custom title</dc:title><dc:creator>Ada</dc:creator><dcterms:modified xsi:type="dcterms:W3CDTF">2024-01-02T03:04:05Z</dcterms:modified></cp:coreProperties>"#;
    let custom = Document::load(
        Deck::new()
            .slide(DeckSlide::titled("x"))
            .with_part("docProps/core.xml", core.as_bytes())
            .build(),
    )
    .unwrap();
    let props = custom.core_properties().unwrap().unwrap();
    assert_eq!(props.title.as_deref(), Some("Custom title"));
    assert_eq!(props.creator.as_deref(), Some("Ada"));
    assert_eq!(props.modified.as_deref(), Some("2024-01-02T03:04:05Z"));
    let without = Document::load(
        Deck::new()
            .slide(DeckSlide::titled("x"))
            .without_part("docProps/core.xml")
            .without_part("docProps/app.xml")
            .build(),
    )
    .unwrap();
    assert!(without.core_properties().unwrap().is_none());
    assert!(without.app_properties().unwrap().is_none());
}

#[test]
fn embedded_objects_and_alt_text_are_exposed() {
    let shapes = format!(
        r#"<p:graphicFrame><p:nvGraphicFramePr><p:cNvPr id="5" name="Object 4" descr="Budget sheet"/><p:cNvGraphicFramePr/><p:nvPr/></p:nvGraphicFramePr><p:xfrm><a:off x="0" y="0"/><a:ext cx="100" cy="100"/></p:xfrm><a:graphic><a:graphicData uri="{P}/ole"><p:oleObj name="Worksheet" r:id="rId9" imgW="100" imgH="100" progId="Excel.Sheet.12"><p:embed/></p:oleObj></a:graphicData></a:graphic></p:graphicFrame><p:pic><p:nvPicPr><p:cNvPr id="6" name="Picture 5" descr="A red square"/><p:cNvPicPr/><p:nvPr/></p:nvPicPr><p:blipFill><a:blip r:embed="rId3"/><a:stretch><a:fillRect/></a:stretch></p:blipFill><p:spPr><a:xfrm><a:off x="0" y="0"/><a:ext cx="100" cy="100"/></a:xfrm><a:prstGeom prst="rect"><a:avLst/></a:prstGeom></p:spPr></p:pic>"#
    );
    let deck = Deck::new()
        .slide(
            DeckSlide::titled("Objects")
                .shapes_xml(&shapes)
                .rel("rId9", "package", "../embeddings/book.xlsx", false)
                .rel("rId3", "image", "../media/image1.png", false),
        )
        .media("image1.png", PNG, "image/png")
        .with_part("ppt/embeddings/book.xlsx", b"PK-workbook-bytes");
    let doc = Document::load(deck.build()).unwrap();
    let slide = doc.slide(0).unwrap();
    let objects = slide.objects().unwrap();
    assert_eq!(objects.len(), 1);
    assert_eq!(objects[0].prog_id.as_deref(), Some("Excel.Sheet.12"));
    assert_eq!(
        objects[0].part.as_deref(),
        Some("/ppt/embeddings/book.xlsx")
    );
    assert_eq!(
        slide.object_bytes(&objects[0]).unwrap(),
        b"PK-workbook-bytes"
    );
    assert_eq!(slide.text(), "Objects");
    let options = TextOptions {
        alt_text: true,
        ..TextOptions::default()
    };
    let mut report = Default::default();
    let text = slide.text_reporting(&options, &mut report);
    assert_eq!(text, "Objects\nBudget sheet\nA red square");
    let _ = R;
}

const CHART_XML: &str = r#"<c:chartSpace xmlns:c="http://schemas.openxmlformats.org/drawingml/2006/chart" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main"><c:chart><c:title><c:tx><c:rich><a:bodyPr/><a:p><a:r><a:t>Revenue</a:t></a:r></a:p></c:rich></c:tx></c:title><c:plotArea><c:barChart><c:ser><c:idx val="0"/><c:tx><c:v>2024</c:v></c:tx><c:cat><c:strLit><c:pt idx="0"><c:v>Q1</c:v></c:pt><c:pt idx="1"><c:v>Q2</c:v></c:pt></c:strLit></c:cat><c:val><c:numLit><c:pt idx="0"><c:v>10</c:v></c:pt><c:pt idx="1"><c:v>12</c:v></c:pt></c:numLit></c:val></c:ser></c:barChart></c:plotArea></c:chart></c:chartSpace>"#;
const DIAGRAM_XML: &str = r#"<dgm:dataModel xmlns:dgm="http://schemas.openxmlformats.org/drawingml/2006/diagram" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main"><dgm:ptLst><dgm:pt modelId="{D0}" type="doc"><dgm:t><a:bodyPr/><a:p/></dgm:t></dgm:pt><dgm:pt modelId="{N1}"><dgm:t><a:bodyPr/><a:p><a:r><a:t>Plan</a:t></a:r></a:p></dgm:t></dgm:pt><dgm:pt modelId="{N2}"><dgm:t><a:bodyPr/><a:p><a:r><a:t>Build</a:t></a:r></a:p></dgm:t></dgm:pt><dgm:pt modelId="{N3}"><dgm:t><a:bodyPr/><a:p><a:r><a:t>Test first</a:t></a:r></a:p></dgm:t></dgm:pt></dgm:ptLst><dgm:cxnLst><dgm:cxn modelId="{C1}" srcId="{D0}" destId="{N1}" srcOrd="0" destOrd="0"/><dgm:cxn modelId="{C2}" srcId="{D0}" destId="{N2}" srcOrd="1" destOrd="0"/><dgm:cxn modelId="{C3}" srcId="{N2}" destId="{N3}" srcOrd="0" destOrd="0"/></dgm:cxnLst></dgm:dataModel>"#;

fn figures_deck() -> Deck {
    let frames = format!(
        r#"<p:graphicFrame><p:nvGraphicFramePr><p:cNvPr id="7" name="Chart 6"/><p:cNvGraphicFramePr/><p:nvPr/></p:nvGraphicFramePr><p:xfrm><a:off x="0" y="0"/><a:ext cx="100" cy="100"/></p:xfrm><a:graphic><a:graphicData uri="http://schemas.openxmlformats.org/drawingml/2006/chart"><c:chart xmlns:c="http://schemas.openxmlformats.org/drawingml/2006/chart" r:id="rId5"/></a:graphicData></a:graphic></p:graphicFrame><p:graphicFrame><p:nvGraphicFramePr><p:cNvPr id="8" name="Diagram 7"/><p:cNvGraphicFramePr/><p:nvPr/></p:nvGraphicFramePr><p:xfrm><a:off x="0" y="0"/><a:ext cx="100" cy="100"/></p:xfrm><a:graphic><a:graphicData uri="http://schemas.openxmlformats.org/drawingml/2006/diagram"><dgm:relIds xmlns:dgm="http://schemas.openxmlformats.org/drawingml/2006/diagram" r:dm="rId6" r:lo="rId6" r:qs="rId6" r:cs="rId6"/></a:graphicData></a:graphic></p:graphicFrame>{}"#,
        ""
    );
    Deck::new()
        .slide(
            DeckSlide::titled("Figures")
                .bullet("Intro")
                .shapes_xml(&frames)
                .rel("rId5", "chart", "../charts/chart1.xml", false)
                .rel("rId6", "diagramData", "../diagrams/data1.xml", false),
        )
        .with_part("ppt/charts/chart1.xml", CHART_XML.as_bytes())
        .with_part("ppt/diagrams/data1.xml", DIAGRAM_XML.as_bytes())
}

#[test]
fn chart_and_diagram_text_join_the_slide_text() {
    let doc = Document::load(figures_deck().build()).unwrap();
    let slide = doc.slide(0).unwrap();
    let charts = slide.charts().unwrap();
    assert_eq!(charts.len(), 1);
    assert_eq!(charts[0].0, 7);
    assert_eq!(charts[0].1.title.as_deref(), Some("Revenue"));
    let diagrams = slide.diagrams().unwrap();
    assert_eq!(diagrams.len(), 1);
    assert_eq!(diagrams[0].1.items.len(), 3);
    assert_eq!(diagrams[0].1.items[2].level, 1);
    assert_eq!(
        slide.text(),
        "Figures\nIntro\nRevenue\n\t2024\nQ1\t10\nQ2\t12\nPlan\nBuild\nTest first"
    );
    let (text, report) = doc.text_reporting(&TextOptions {
        charts: false,
        diagrams: false,
        ..TextOptions::default()
    });
    assert!(report.is_complete());
    assert_eq!(text, "Figures\nIntro");
    let broken = Document::load(
        figures_deck()
            .with_part("ppt/charts/chart1.xml", b"<c:chartSpace")
            .build(),
    )
    .unwrap();
    let (text, report) = broken.text_reporting(&TextOptions::default());
    assert_eq!(report.failed_frames.len(), 1);
    assert!(text.starts_with("Figures\nIntro\nPlan"));
}

#[test]
fn markdown_renders_headings_bullets_tables_images_charts_and_notes() {
    let table = r#"<p:graphicFrame><p:nvGraphicFramePr><p:cNvPr id="5" name="Table 4"/><p:cNvGraphicFramePr/><p:nvPr/></p:nvGraphicFramePr><p:xfrm><a:off x="0" y="0"/><a:ext cx="100" cy="100"/></p:xfrm><a:graphic><a:graphicData uri="http://schemas.openxmlformats.org/drawingml/2006/table"><a:tbl><a:tblGrid><a:gridCol w="1"/><a:gridCol w="1"/></a:tblGrid><a:tr h="1"><a:tc><a:txBody><a:bodyPr/><a:p><a:r><a:t>Name</a:t></a:r></a:p></a:txBody></a:tc><a:tc><a:txBody><a:bodyPr/><a:p><a:r><a:t>Va|ue</a:t></a:r></a:p></a:txBody></a:tc></a:tr><a:tr h="1"><a:tc><a:txBody><a:bodyPr/><a:p><a:r><a:t>Answer</a:t></a:r></a:p></a:txBody></a:tc><a:tc><a:txBody><a:bodyPr/><a:p><a:r><a:t>42</a:t></a:r></a:p></a:txBody></a:tc></a:tr></a:tbl></a:graphicData></a:graphic></p:graphicFrame>"#;
    let picture = r#"<p:pic><p:nvPicPr><p:cNvPr id="6" name="Picture 5" descr="A red square"/><p:cNvPicPr/><p:nvPr/></p:nvPicPr><p:blipFill><a:blip r:embed="rId3"/></p:blipFill><p:spPr/></p:pic>"#;
    let text_box = format!(
        r#"<p:sp><p:nvSpPr><p:cNvPr id="9" name="TextBox 8"/><p:cNvSpPr txBox="1"/><p:nvPr/></p:nvSpPr><p:spPr/><p:txBody><a:bodyPr/><a:p><a:r><a:rPr lang="en-US" b="1"/><a:t>Bold</a:t></a:r><a:r><a:rPr lang="en-US"/><a:t> and a </a:t></a:r><a:r><a:rPr lang="en-US"><a:hlinkClick r:id="rId4"/></a:rPr><a:t>link</a:t></a:r></a:p><a:p><a:pPr lvl="1"><a:buChar char="&#8226;"/></a:pPr><a:r><a:t>nested bullet</a:t></a:r></a:p></p:txBody></p:sp>{}"#,
        ""
    );
    let deck = figures_deck()
        .slide(
            DeckSlide::titled("Second: details")
                .bullet("Alpha")
                .bullet("Beta")
                .shapes_xml(&format!("{table}{picture}{text_box}"))
                .rel("rId3", "image", "../media/image1.png", false)
                .rel("rId4", "hyperlink", "https://example.com/a b", true)
                .notes("Say hello"),
        )
        .slide(DeckSlide::titled("Hidden").bullet("secret").hidden())
        .media("image1.png", PNG, "image/png");
    let doc = Document::load(deck.build()).unwrap();
    let options = pptxboss_core::MarkdownOptions {
        notes: true,
        hidden_slides: false,
        ..Default::default()
    };
    let (markdown, report) = doc.markdown(&options);
    assert!(report.is_complete(), "{:?}", report.warnings());
    assert_eq!(report.hidden_slides_skipped, 1);
    let expected = "## Figures\n\n- Intro\n\n**Chart: Revenue**\n\n|  | 2024 |\n|---|---|\n| Q1 | 10 |\n| Q2 | 12 |\n\n- Plan\n- Build\n  - Test first\n\n---\n\n## Second: details\n\n- Alpha\n- Beta\n\n| Name | Va\\|ue |\n|---|---|\n| Answer | 42 |\n\n![A red square](ppt/media/image1.png)\n\n**Bold** and a [link](https://example.com/a%20b)\n\n  - nested bullet\n\n> **Notes:**\n> Say hello\n";
    assert_eq!(markdown, expected);
}

fn legacy_deck() -> PptDeck {
    PptDeck::new()
        .picture(PNG)
        .slide(
            PptSlide::titled("Legacy title")
                .bullet("First point")
                .sub_bullet("Detail", 1)
                .text_box("Free text")
                .picture(1)
                .notes("Speaker notes here"),
        )
        .slide(PptSlide::titled("Second").bullet("Only one").hidden())
        .slide(PptSlide::default().text_box("No title at all"))
}

#[test]
fn a_legacy_ppt_reads_through_the_same_document_api() {
    let doc = Document::load(legacy_deck().build()).unwrap();
    assert!(doc.is_legacy());
    assert!(doc.package().is_none());
    assert_eq!(doc.slide_count(), 3);
    assert_eq!(doc.presentation_part(), "PowerPoint Document");
    assert_eq!(
        doc.presentation().slide_size.as_ref().map(|s| (s.cx, s.cy)),
        Some((9_144_000, 6_858_000))
    );
    assert_eq!(doc.defects().located, Located::LegacyStream);
    let first = doc.slide(0).unwrap();
    assert_eq!(first.title().as_deref(), Some("Legacy title"));
    assert_eq!(first.text(), "Legacy title\nFirst point\nDetail\nFree text");
    let body = first
        .content
        .walk()
        .find(|shape| shape.name == "Body 2")
        .and_then(|shape| shape.text_body().cloned())
        .expect("body placeholder");
    assert_eq!(body.paragraphs[1].level, 1);
    assert_eq!(
        first.notes_text().unwrap().as_deref(),
        Some("Speaker notes here")
    );
    let images = first.images().unwrap();
    assert_eq!(images.len(), 1);
    assert_eq!(images[0].content_type.as_deref(), Some("image/png"));
    assert_eq!(first.image_bytes(&images[0]).unwrap(), PNG);
    let picture = first
        .content
        .walk()
        .find(|shape| shape.name == "Picture")
        .expect("picture shape");
    assert_eq!(picture.description.as_deref(), Some("A dot"));
    let second = doc.slide(1).unwrap();
    assert!(second.is_hidden());
    assert_eq!(second.text(), "Second\nOnly one");
    assert!(second.notes_text().unwrap().is_none());
    let third = doc.slide(2).unwrap();
    assert_eq!(third.title(), None);
    assert_eq!(third.text(), "No title at all");
    let (text, report) = doc.text_reporting(&TextOptions {
        notes: true,
        hidden_slides: false,
        ..TextOptions::default()
    });
    assert!(report.is_complete());
    assert_eq!(report.hidden_slides_skipped, 1);
    assert_eq!(
        text,
        "Legacy title\nFirst point\nDetail\nFree text\nSpeaker notes here\n\nNo title at all"
    );
    let (markdown, _) = doc.markdown(&pptxboss_core::MarkdownOptions::default());
    assert!(
        markdown.starts_with(
            "## Legacy title\n\n- First point\n  - Detail\n\nFree text\n\n![A dot](Pictures/1)"
        ),
        "{markdown}"
    );
    assert!(first.comments().unwrap().is_empty());
    assert!(first.charts().unwrap().is_empty());
    assert!(doc.core_properties().unwrap().is_none());
    assert!(doc.sections().is_empty());
}

#[test]
fn compound_files_that_are_not_presentations_are_refused_with_a_reason() {
    let other = pptxboss_testkit::compound_file(&[("WordDocument", b"not a deck")]);
    assert!(matches!(
        Document::load(other),
        Err(Error::NoPresentationStream)
    ));
    let encrypted = pptxboss_testkit::compound_file(&[
        ("EncryptionInfo", &[4u8, 0, 4, 0, 0x40, 0, 0, 0]),
        ("EncryptedPackage", &[0u8; 16]),
    ]);
    assert!(matches!(
        Document::load(encrypted),
        Err(Error::Encrypted(_))
    ));
}

#[test]
fn slides_at_indices_come_back_in_the_written_order() {
    let mut deck = Deck::new();
    for i in 0..40 {
        deck = deck.slide(DeckSlide::titled(&format!("Slide {i}")).bullet("x"));
    }
    let doc = Document::load(deck.build()).unwrap();
    let picked: Vec<usize> = (0..40).rev().step_by(3).collect();
    let titles = doc.map_slides_at(&picked, |slide| slide.unwrap().title().unwrap());
    let expected: Vec<String> = picked.iter().map(|i| format!("Slide {i}")).collect();
    assert_eq!(titles, expected);
    let (texts, report) = doc.slide_texts_at(&[2, 0, 2], &TextOptions::default());
    assert_eq!(texts, ["Slide 2\nx", "Slide 0\nx", "Slide 2\nx"]);
    assert!(report.is_complete());
    let (markdown, _) = doc.markdown_at(&[1, 0], &MarkdownOptions::default());
    assert!(markdown.starts_with("## Slide 1\n"), "{markdown}");
    assert!(markdown.contains("\n\n---\n\n## Slide 0\n"), "{markdown}");
    assert_eq!(doc.map_slides_at(&[40], |slide| slide.is_err()), [true]);
    assert!(doc.map_slides_at(&[], |_| ()).is_empty());
}

#[test]
fn a_selected_broken_slide_is_reported_under_its_own_number() {
    let doc = Document::load(
        deck()
            .with_part("ppt/slides/slide3.xml", b"<p:sld xmlns:p=\"x\"><p:cSld>")
            .build(),
    )
    .unwrap();
    let (texts, report) = doc.slide_texts_at(&[2, 1], &TextOptions::default());
    assert_eq!(texts, ["", "Second slide\nOne"]);
    assert_eq!(report.failed_slides[0].0, 2);
    assert!(report.warnings()[0].starts_with("slide 3: unreadable"));
    let (_, report) = doc.markdown_at(&[2], &MarkdownOptions::default());
    assert!(report.warnings()[0].starts_with("slide 3: unreadable"));
}