STY: Simplify _extract_text

[MartinThoma]

No description provided.

[codecov]

Codecov Report

Patch coverage: 90.24% and project coverage change: +0.01 🎉

Comparison is base (39f52dc) 92.37% compared to head (db60d11) 92.39%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1683      +/-   ##
==========================================
+ Coverage   92.37%   92.39%   +0.01%     
==========================================
  Files          33       34       +1     
  Lines        6481     6496      +15     
  Branches     1281     1281              
==========================================
+ Hits         5987     6002      +15     
  Misses        320      320              
  Partials      174      174              

Impacted Files	Coverage Δ
pypdf/_text_extraction/__init__.py	89.83% <89.83%> (ø)
pypdf/_page.py	91.13% <100.00%> (+0.36%)	⬆️

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[MartinThoma]

@pubpub-zz _extract_text is too complex. By moving some code blocks into own functions I hope I can reduce the complexity. The goal is to make it easier to understand how the text extraction works and make it easier to extend / adjust it.

I still want to group some of the parameters, but I'm uncertain at the moment what makes sense. What do you think about this approach?

[MartinThoma]

The block in if check_crlf_space: could also be a function

[pubpub-zz]

As the objective is to have as many people as possible to maintain the code, this is OK for me 😀