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excel_to_code 0.3.19

# Excel to Code [![Tests Passing](https://travis-ci.org/tamc/excel_to_code.svg?branch=master)](https://travis-ci.org/tamc/excel_to_code) excel_to_c - roughly translate some Excel files into C. excel_to_ruby - roughly translate some Excel files into Ruby. This allows spreadsheets to be: 1. Embedded in other programs, such as web servers, or optimisers 2. Without depending on any Microsoft code For example, running [these commands](examples/simple/compile.sh) turns [this spreadsheet](examples/simple/simple.xlsx) into [this Ruby code](examples/simple/ruby/simple.rb) or [this C code](examples/simple/c/simple.c). # Install Requires Ruby. Install by: gem install excel_to_code # Run To just have a go: excel_to_c This will produce a file called excelspreadsheet.c For a more complex spreadsheet: excel_to_c --compile --run-tests --settable --prune-except See the full list of options: excel_to_c --help # Gotchas, limitations and bugs 0. No custom functions, no macros for generating results 1. Results are cached. So you must call reset(), then set values, then read values. 2. It must be possible to replace INDIRECT and OFFSET formula with standard references at compile time (e.g., INDIRECT("A"&"1") is fine, INDIRECT(userInput&"3") is not. 3. Doesn't implement all functions. [See which functions are implemented](docs/Which_functions_are_implemented.md). 4. Doesn't implement references that involve range unions and lists (but does implement standard ranges) 5. Sometimes gives cells as being empty, when excel would give the cell as having a numeric value of zero 6. The generated C version does not multithread and will give bad results if you try. 7. The generated code uses floating point, rather than fully precise arithmetic, so results can differ slightly. 8. The generated code uses the sprintf approach to rounding (even-odd) rather than excel's 0.5 rounds away from zero. 9. Ranges like this: Sheet1!A10:Sheet1!B20 and 3D ranges don't work. Report bugs: # Changelog See [Changes](CHANGES.md). # License See [License](LICENSE.md) # Hacking Source code: Documentation: * [Installing from source](docs/installing_from_source.md) * [Structure of this project](docs/structure_of_this_project.md) * [How does the calculation work](docs/how_does_the_calculation_work.md) * [How to fix parsing errors](docs/How_to_fix_parsing_errors.md) * [How to implement a new Excel function](docs/How_to_add_a_missing_function.md) Some notes on how Excel works under the hood: * [The Excel file structure](docs/implementation/excel_file_structure.md) * [Relationships](docs/implementation/relationships.md) * [Workbooks](docs/implementation/workbook.md) * [Worksheets](docs/implementation/worksheets.md) * [Cells](docs/implementation/cell.md) * [Tables](docs/implementation/tables.md) * [Shared Strings](docs/implementation/shared_strings.md) * [Array formulae](docs/implementation/array_formulae.md)

Versions:

  1. 0.3.19 - January 08, 2019 (241 KB)
  2. 0.3.18 - January 05, 2019 (241 KB)
  3. 0.3.18.beta.2 - December 30, 2018 (240 KB)
  4. 0.3.18.beta.1 - July 16, 2018 (234 KB)
  5. 0.3.17 - May 14, 2015 (205 KB)
Show all versions (78 total)

Runtime Dependencies (5):

  • ffi ~> 1.9, >= 1.9.18
  • minitest ~> 5.11, >= 5.11.1
  • ox ~> 2.8, >= 2.8.2
  • rspec ~> 3.7
  • rubypeg ~> 0, >= 0.0.4
  • Development Dependencies (1):

  • rake ~> 12
  • Owners:

    Authors:

    • Thomas Counsell, Green on Black Ltd

    SHA 256 checksum:

    3ac2010b926816b3d0cb5f54c6ec10080318708042f3101661256f00942ac180

    Total downloads 140,145

    For this version 1,422

    Gemfile:
    = Copy to clipboard Copied!

    install:
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    License:

    MIT

    Required Ruby Version: >= 2.3.0

    Links: