UPDATE: Dump of initial files

xlsx/src/export/workbook.rs

@@ -0,0 +1,91 @@
+//! <sheet name="Sheet1" sheetId="1" r:id="rId1"/>
+
+//! A workbook is composed of workbook-level properties and a collection of 1 or more sheets.
+//! The workbook part and corresponding properties comprise data
+//! used to set application and workbook-level operational state. The workbook also serves to bind all the sheets
+//! and child elements into an organized single file. The workbook XML attributes and elements include information
+//! about what application last saved the file, where and how the windows of the workbook were positioned, and
+//! an enumeration of the worksheets in the workbook.
+//! This is the XML for the smallest possible (blank) workbook:
+//!
+//! <workbook>
+//!   <sheets>
+//!     <sheet name="Sheet1" sheetId="1" r:id="rId1"/>
+//!   </sheets>
+//! </workbook>
+//!
+//! Note that this workbook has a single sheet, named Sheet1. An Id for the sheet is required, and a relationship Id
+//! pointing to the location of the sheet definition is also required.
+//!
+//!
+//!
+//! The most important objet of this part is a collection of all the sheets and all the defined names
+//! of the workbook.
+//!
+//! It also may hold state properties like the selected tab
+
+//! # bookViews
+//!
+
+use std::collections::HashMap;
+
+use ironcalc_base::types::{SheetState, Workbook};
+
+use super::escape::escape_xml;
+use super::xml_constants::XML_DECLARATION;
+
+pub(crate) fn get_workbook_xml(workbook: &Workbook) -> String {
+    // sheets
+    // <sheet name="Sheet1" sheetId="1" r:id="rId1"/>
+    let mut sheets_str: Vec<String> = vec![];
+    let mut sheet_id_to_sheet_index: HashMap<u32, u32> = HashMap::new();
+    for (sheet_index, worksheet) in workbook.worksheets.iter().enumerate() {
+        let name = &worksheet.name;
+        let name = escape_xml(name);
+        let sheet_id = worksheet.sheet_id;
+        let state_str = match &worksheet.state {
+            SheetState::Visible => "",
+            SheetState::Hidden => " state=\"hidden\"",
+            SheetState::VeryHidden => " state=\"veryHidden\"",
+        };
+
+        sheets_str.push(format!(
+            "<sheet name=\"{name}\" sheetId=\"{sheet_id}\" r:id=\"rId{}\"{state_str}/>",
+            sheet_index + 1
+        ));
+        sheet_id_to_sheet_index.insert(sheet_id, sheet_index as u32);
+    }
+
+    // defined names
+    // <definedName localSheetId="4" name="answer">shared!$G$5</definedName>
+    // <definedName name="numbers">Sheet1!$A$16:$A$18</definedName>
+    let mut defined_names_str: Vec<String> = vec![];
+    for defined_name in &workbook.defined_names {
+        let name = &defined_name.name;
+        let name = escape_xml(name);
+        let local_sheet_id = if let Some(sheet_id) = defined_name.sheet_id {
+            // In Excel the localSheetId is actually the index of the sheet.
+            let excel_local_sheet_id = sheet_id_to_sheet_index.get(&sheet_id).unwrap();
+            format!(" localSheetId=\"{excel_local_sheet_id}\"")
+        } else {
+            "".to_string()
+        };
+        let formula = escape_xml(&defined_name.formula);
+        defined_names_str.push(format!(
+            "<definedName name=\"{name}\"{local_sheet_id}>{formula}</definedName>"
+        ))
+    }
+
+    let sheets = sheets_str.join("");
+    let defined_names = defined_names_str.join("");
+    format!("{XML_DECLARATION}\n\
+    <workbook xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\">\
+      <sheets>\
+        {sheets}\
+      </sheets>\
+      <definedNames>\
+        {defined_names}\
+      </definedNames>\
+      <calcPr/>\
+    </workbook>")
+}