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use quick_xml::{
Reader,
events::Event,
};
use super::{
XlsxError,
driver::get_attribute_value,
};
use crate::structs::{
ShowColumn,
ShowStripes,
Table,
TableColumn,
TableStyleInfo,
Worksheet,
raw::RawFile,
};
pub(crate) fn read(worksheet: &mut Worksheet, table_file: &RawFile) -> Result<(), XlsxError> {
let data = std::io::Cursor::new(table_file.file_data());
let mut reader = Reader::from_reader(data);
reader.config_mut().trim_text(false);
let mut buf = Vec::new();
let mut table = Table::default();
let mut table_column = TableColumn::default();
let mut string_value = String::new();
loop {
match reader.read_event_into(&mut buf) {
Ok(Event::Empty(ref e)) => match e.name().into_inner() {
b"tableColumn" => {
table_column = TableColumn::default();
for attr in e.attributes().with_checks(false).flatten() {
match attr.key.0 {
b"name" => {
let attr_val = get_attribute_value(&attr)?;
table_column.set_name(attr_val);
}
b"totalsRowLabel" => {
let attr_val = get_attribute_value(&attr)?;
table_column.set_totals_row_label_str(&attr_val);
}
b"totalsRowFunction" => {
let attr_val = get_attribute_value(&attr)?;
table_column.set_totals_row_function_str(&attr_val);
}
_ => {}
}
}
// add column to table (if it has a name)
if !table_column.name().is_empty() {
table.add_column(table_column);
table_column = TableColumn::default();
}
}
b"tableStyleInfo" => {
let mut name = String::new();
let mut show_first_col = ShowColumn::Hide;
let mut show_last_col = ShowColumn::Hide;
let mut show_row_stripes = ShowStripes::Hide;
let mut show_col_stripes = ShowStripes::Hide;
for attr in e.attributes().with_checks(false).flatten() {
let attr_val = get_attribute_value(&attr)?;
match attr.key.0 {
b"name" => {
name = attr_val;
}
b"showFirstColumn" => {
if attr_val == "1" {
show_first_col = ShowColumn::Show;
}
}
b"showLastColumn" => {
if attr_val == "1" {
show_last_col = ShowColumn::Show;
}
}
b"showRowStripes" => {
if attr_val == "1" {
show_row_stripes = ShowStripes::Show;
}
}
b"showColumnStripes" => {
if attr_val == "1" {
show_col_stripes = ShowStripes::Show;
}
}
_ => {}
}
}
if name.is_empty() {
table.set_style_info(Some(TableStyleInfo::new(
&name,
show_first_col,
show_last_col,
show_row_stripes,
show_col_stripes,
)));
} else {
table.set_style_info(Some(TableStyleInfo::new(
&name,
ShowColumn::Hide,
ShowColumn::Hide,
ShowStripes::Hide,
ShowStripes::Hide,
)));
}
}
_ => (),
},
Ok(Event::Text(e)) => string_value = e.unescape().unwrap().to_string(),
Ok(Event::Start(ref e)) => match e.name().into_inner() {
b"table" => {
for attr in e.attributes().with_checks(false).flatten() {
let attr_val = get_attribute_value(&attr)?;
match attr.key.0 {
b"displayName" => {
table.set_display_name(&attr_val);
}
b"name" => {
table.set_name(&attr_val);
}
b"ref" => {
let area_coords: Vec<&str> = attr_val.split(':').collect();
if area_coords.len() == 2 {
table.set_area((area_coords[0], area_coords[1]));
}
}
b"totalsRowShown" => {
table.set_totals_row_shown_str(&attr_val);
}
b"totalsRowCount" => {
table.set_totals_row_count_str(&attr_val);
}
_ => {}
}
}
}
b"tableColumn" => {
table_column = TableColumn::default();
for attr in e.attributes().with_checks(false).flatten() {
match attr.key.0 {
b"name" => {
let attr_val = get_attribute_value(&attr)?;
table_column.set_name(attr_val);
}
b"totalsRowLabel" => {
let attr_val = get_attribute_value(&attr)?;
table_column.set_totals_row_label_str(&attr_val);
}
b"totalsRowFunction" => {
let attr_val = get_attribute_value(&attr)?;
table_column.set_totals_row_function_str(&attr_val);
}
_ => {}
}
}
}
_ => (),
},
Ok(Event::End(ref e)) => match e.name().into_inner() {
b"calculatedColumnFormula" => {
table_column.set_calculated_column_formula(string_value);
string_value = String::new();
}
b"tableColumn" => {
// add column to table (if it has a name)
if !table_column.name().is_empty() {
table.add_column(table_column);
table_column = TableColumn::default();
}
}
_ => (),
},
Ok(Event::Eof) => break,
Err(e) => panic!("Error at position {}: {:?}", reader.buffer_position(), e),
_ => (),
}
buf.clear();
}
// add the table to the sheet (if a few sanity checks pass)
if table.is_ok() {
worksheet.add_table(table);
}
Ok(())
}