ppt-rs 0.2.14

Create, read, and update PowerPoint 2007+ (.pptx) files with rich formatting, bullet styles, themes, and templates.
Documentation 
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//! Package-level XML generation (content types, relationships, presentation)

pub use crate::core::escape_xml;

/// Create [Content_Types].xml
pub fn create_content_types_xml(slides: usize) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">
<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
<Default Extension="xml" ContentType="application/xml"/>
<Override PartName="/ppt/presentation.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml"/>"#.to_string();

    for i in 1..=slides {
        xml.push_str(&format!(
            "\n<Override PartName=\"/ppt/slides/slide{i}.xml\" ContentType=\"application/vnd.openxmlformats-officedocument.presentationml.slide+xml\"/>"
        ));
    }

    xml.push_str(r#"
<Override PartName="/ppt/slideLayouts/slideLayout1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml"/>
<Override PartName="/ppt/slideMasters/slideMaster1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideMaster+xml"/>
<Override PartName="/ppt/theme/theme1.xml" ContentType="application/vnd.openxmlformats-officedocument.theme+xml"/>
<Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/>
<Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/>
</Types>"#);
    xml
}

/// Create _rels/.rels
pub fn create_rels_xml() -> String {
    r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="ppt/presentation.xml"/>
<Relationship Id="rId2" Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" Target="docProps/core.xml"/>
<Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties" Target="docProps/app.xml"/>
</Relationships>"#.to_string()
}

/// Create ppt/_rels/presentation.xml.rels
pub fn create_presentation_rels_xml(slides: usize) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
    <Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster" Target="slideMasters/slideMaster1.xml"/>
    <Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme" Target="theme/theme1.xml"/>"#.to_string();

    for i in 1..=slides {
        let rid = i + 2;
        xml.push_str(&format!(
            "\n    <Relationship Id=\"rId{rid}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide\" Target=\"slides/slide{i}.xml\"/>"
        ));
    }

    xml.push_str("\n</Relationships>");
    xml
}

/// Create ppt/presentation.xml
pub fn create_presentation_xml(_title: &str, slides: usize) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<p:presentation xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" saveSubsetFonts="1">
<p:sldMasterIdLst>
<p:sldMasterId id="2147483648" r:id="rId1"/>
</p:sldMasterIdLst>
<p:sldIdLst>"#.to_string();

    for i in 1..=slides {
        let id = 256 + i;
        let rid = i + 2;
        xml.push_str(&format!("\n<p:sldId id=\"{id}\" r:id=\"rId{rid}\"/>"));
    }

    xml.push_str(r#"
</p:sldIdLst>
<p:sldSz cx="9144000" cy="6858000" type="screen4x3"/>
<p:notesSz cx="6858000" cy="9144000"/>
</p:presentation>"#);
    xml
}

/// Create [Content_Types].xml with notes and charts support
pub fn create_content_types_xml_with_notes_and_charts(
    slides: usize, 
    custom_slides: Option<&Vec<super::slide_content::SlideContent>>,
    chart_count: usize
) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">
<Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/>
<Default Extension="xml" ContentType="application/xml"/>
<Default Extension="png" ContentType="image/png"/>
<Default Extension="jpeg" ContentType="image/jpeg"/>
<Default Extension="jpg" ContentType="image/jpeg"/>
<Default Extension="gif" ContentType="image/gif"/>
<Override PartName="/ppt/presentation.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml"/>"#.to_string();

    for i in 1..=slides {
        xml.push_str(&format!(
            "\n<Override PartName=\"/ppt/slides/slide{i}.xml\" ContentType=\"application/vnd.openxmlformats-officedocument.presentationml.slide+xml\"/>"
        ));
    }

    // Add notes content types
    if let Some(slides_vec) = custom_slides {
        for (i, slide) in slides_vec.iter().enumerate() {
            if slide.notes.is_some() {
                let slide_num = i + 1;
                xml.push_str(&format!(
                    "\n<Override PartName=\"/ppt/notesSlides/notesSlide{slide_num}.xml\" ContentType=\"application/vnd.openxmlformats-officedocument.presentationml.notesSlide+xml\"/>"
                ));
            }
        }
        // Add notes master if any slide has notes
        if slides_vec.iter().any(|s| s.notes.is_some()) {
            xml.push_str("\n<Override PartName=\"/ppt/notesMasters/notesMaster1.xml\" ContentType=\"application/vnd.openxmlformats-officedocument.presentationml.notesMaster+xml\"/>");
        }
    }

    // Add chart content types
    for i in 1..=chart_count {
        xml.push_str(&format!(
            "\n<Override PartName=\"/ppt/charts/chart{i}.xml\" ContentType=\"application/vnd.openxmlformats-officedocument.drawingml.chart+xml\"/>"
        ));
    }

    xml.push_str(r#"
<Override PartName="/ppt/slideLayouts/slideLayout1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideLayout+xml"/>
<Override PartName="/ppt/slideMasters/slideMaster1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slideMaster+xml"/>
<Override PartName="/ppt/theme/theme1.xml" ContentType="application/vnd.openxmlformats-officedocument.theme+xml"/>
<Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/>
<Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/>
</Types>"#);
    xml
}

/// Create ppt/_rels/presentation.xml.rels with notes master
pub fn create_presentation_rels_xml_with_notes(slides: usize) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
    <Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster" Target="slideMasters/slideMaster1.xml"/>
    <Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme" Target="theme/theme1.xml"/>"#.to_string();

    for i in 1..=slides {
        let rid = i + 2;
        xml.push_str(&format!(
            "\n    <Relationship Id=\"rId{rid}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide\" Target=\"slides/slide{i}.xml\"/>"
        ));
    }

    // Add notes master relationship
    let notes_master_rid = slides + 3;
    xml.push_str(&format!(
        "\n    <Relationship Id=\"rId{notes_master_rid}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesMaster\" Target=\"notesMasters/notesMaster1.xml\"/>"
    ));

    xml.push_str("\n</Relationships>");
    xml
}

/// Create slide relationship XML with notes and charts
pub fn create_slide_rels_xml_extended(slide_num: usize, has_notes: bool, chart_rels: &[(String, String)]) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout" Target="../slideLayouts/slideLayout1.xml"/>"#.to_string();

    if has_notes {
        xml.push_str(&format!(
            "\n<Relationship Id=\"rId2\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide\" Target=\"../notesSlides/notesSlide{}.xml\"/>",
            slide_num
        ));
    }

    for (rid, target) in chart_rels {
        xml.push_str(&format!(
            "\n<Relationship Id=\"{}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart\" Target=\"{}\"/>",
            rid, target
        ));
    }

    xml.push_str("\n</Relationships>");
    xml
}

/// Create slide relationship XML with notes, charts, and images
pub fn create_slide_rels_xml_with_images(slide_num: usize, has_notes: bool, chart_rels: &[(String, String)], image_count: usize, image_start_num: usize, image_extensions: &[String]) -> String {
    let mut xml = r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">
<Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout" Target="../slideLayouts/slideLayout1.xml"/>"#.to_string();

    // Add image relationships (starting from rId2)
    for i in 0..image_count {
        let rel_id = i + 2;
        let img_num = image_start_num + i;
        let ext = image_extensions.get(i).map(|s| s.as_str()).unwrap_or("png");
        xml.push_str(&format!(
            "\n<Relationship Id=\"rId{}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/image\" Target=\"../media/image{}.{}\"/>",
            rel_id, img_num, ext
        ));
    }

    // Notes relationship comes after images
    if has_notes {
        let notes_rid = 2 + image_count;
        xml.push_str(&format!(
            "\n<Relationship Id=\"rId{}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide\" Target=\"../notesSlides/notesSlide{}.xml\"/>",
            notes_rid, slide_num
        ));
    }

    // Chart relationships come after notes
    for (rid, target) in chart_rels {
        xml.push_str(&format!(
            "\n<Relationship Id=\"{}\" Type=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart\" Target=\"{}\"/>",
            rid, target
        ));
    }

    xml.push_str("\n</Relationships>");
    xml
}