- Unzip shared string table to system temporary file when large inner XML, reduce memory usage about 70%
- Remove unnecessary exported variable `XMLHeader`, we can using `encoding/xml` package's `xml.Header` instead of it
- Using constant instead of inline text for default XML path
- Rename exported option field `WorksheetUnzipMemLimit` to `UnzipXMLSizeLimit`
- Unit test and documentation updated
- Close spreadsheet and row's iterator required
- New options `WorksheetUnzipMemLimit` have been added
- Improve streaming reading performance, memory usage decrease about 93.7%
- Support text comparison in the formula, also ref #65
- `GetCellValue`, `GetRows`, `GetCols`, `Rows` and `Cols` support to specify read cell with raw value, ref #621
- Add missing properties for the cell formula
- Update the unit test for the `CalcCellValue`
- support escaped string literal
- maximum character limit added
- fix missing preserve character in some case
Co-authored-by: xuri <xuri.me@gmail.com>
* extend cell value load to support custom datetime format
* cleanup incorrect imports
* fix numeric values conversion as done in legacy Excel
* fix tests coverage
* revert temporary package name fix
* remove personal info from test XLSX files
* remove unused dependencies
* update format conversion in parseTime
* new UT to increase code coverage
* Resolve code review issue for PR #703
* Rename broken file name generated by unit test
Co-authored-by: xuri <xuri.me@gmail.com>
* Rewrite prepareSheetXML to scale linearly
We don't need to backfill columns into every row for most purposes
Provided makeContiguousColumns for setting styles where we do
need it for a specific region.
Added a benchmark to monitor progress. For 50,000 rows this went
from about 11 seconds to 1 second. The improvements are more
dramatic as the row/column count increases.
* Assigning that row value was redundant
* Huge refactorig for consistent col/row numbering
Started from simply changing ToALphaString()/TitleToNumber() logic and related fixes.
But have to go deeper, do fixes, after do related fixes and again and again.
Major improvements:
1. Tests made stronger again (But still be weak).
2. "Empty" returns for incorrect input replaces with panic.
3. Check for correct col/row/cell naming & addressing by default.
4. Removed huge amount of duplicated code.
5. Removed ToALphaString(), TitleToNumber() and it helpers functions at all,
and replaced with SplitCellName(), JoinCellName(), ColumnNameToNumber(), ColumnNumberToName(), CellNameToCoordinates(), CoordinatesToCellName().
6. Minor fixes for internal variable naming for code readability (ex. col, row for input params, colIdx, rowIdx for slice indexes etc).
* Formatting fixes
Primary motivation: Avoid statefull tests with not ignorable git file tree changes.
Multiple tests reads and overwrites signle file for won needs.
Multiple tests reads and overwrites file under version control.
Secondary motivation: Minimal tests logic aligment, separate error expectation
and not error expectation tests. Introduce sub-test over test data sets and so far.
This commit is not ideal but necessary (IMHO)
xuri