[Toybox] [PATCH] vi: Replace linelist with Piece table based design

[enh]

ah, i see. still, that's a pretty good result --- the bug doesn't actually
affect the data :-)

On Thu, Feb 6, 2020 at 7:46 AM Jarno Mäkipää <jmakip87 at gmail.com> wrote:

> Oh yeah, sorry.
>
> Well techically they are not broken, but drawing of cursor position at
> end of line symbol does not work. its issue in draw_page()....
>
> Those movement commands work fine, and tests return correct results.
> And text is edited right i think. Hard to cover this with testing :(
> but anyway this needs to be fixed.
>
> -Jarno
>
> On Thu, Feb 6, 2020 at 1:54 AM enh <enh at google.com> wrote:
> >
> > seems like $, A, and D are all broken now?
> >
> > On Sun, Feb 2, 2020 at 5:52 AM Jarno Mäkipää <jmakip87 at gmail.com> wrote:
> > >
> > > I think this can be applied now. Unless someone is against it. Im
> > > personally starting to be happy with it. All tests pass, more tests
> > > can be written.
> > >
> > > (applies directly to master, on top or without tests patch send few
> minutes ago)
> > >
> > > Replaced dlist linelist with continuous memory blocks. This will allow
> > > editing huge files without billion mallocs. File is first opened with
> > > mmap() and mapped region is fully described in block_list as one block.
> > >
> > > Currently "valid" data is described as slices, when first loading file
> > > there is only one slice that points to memory existing in block_list.
> > > When cutting text, block_list is not freed or modified, but instead
> > > slice_list is modified to have "hole" between 2 slices. when inserting
> > > new mem_block is added, previos slices are cut in cursor position and
> > > new slice is added...
> > >
> > > Added functions to handling data inside block_list+slice_list
> > >
> > > insert_str(), cut_str() are used for all delete and add operations
> > > text_strrchr(), text_strchr() are used for searching lineendings
> > > text_byte(), text_codepoint(), text_getline() are for simple data
> access
> > >
> > > Implemented: more or less all previous functionality
> > >
> > > Implemented more proper file write:
> > > file is saved to .swp, blocks are unloaded, file permissions are
> copied,
> > > and atomic rename is called, block is reloaded
> > > chmod some defaults(rw-rw-r--) if original file could not be fstat
> (does
> > > not exist)
> > >
> > > FIX make all tests pass
> > >
> > > Removed: Some unused functions
> > > ---
> > >  toys/pending/vi.c | 1347
> +++++++++++++++++++++++++++++++----------------------
> > >  1 file changed, 791 insertions(+), 556 deletions(-)
> > > _______________________________________________
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> > > Toybox at lists.landley.net
> > > http://lists.landley.net/listinfo.cgi/toybox-landley.net
>
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