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This deals with the issue of initializing structs in C++.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Implement the EditWeight undo command. Since there is common code
(storage of the old weight), this creates a common base class for
RemoveWeight and EditWeight. The model calls directly into the undo
command, which is somewhat unfortunate as it feels like a layering
violation. It's the easy thing to do for now.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of freeing internal data of the weightsystem structure,
call the free_weightsystem function (which has to be made extern
at first). This makes things more future-proof, should the
weightsystem struct ever be extended.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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To make things more future-proof, introduce an empty_weightsystem
constant. Replace explicit aggragate initialization of empty
weightsystems by this constant.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This one is a bit more complicated than weight adding, because the
multiple-dive case is not well defined. If multiple dives are selected,
this implementation will search for weights that are identical to the
weight deleted in the currently shown dive. The position of the weight
in the list is ignored.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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As a convenience, return the cylinder from add_empty_cylinder()
to spare the caller from the nasty expression to fetch the
last cylinder.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of using fixed size arrays, use a new cylinder_table structure.
The code copies the weightsystem code, but is significantly more complex
because cylinders are such an integral part of the core.
Two functions to access the cylinders were added:
get_cylinder() and get_or_create_cylinder()
The former does a simple array access and supposes that the cylinder
exists. The latter is used by the parser(s) and if a cylinder with
the given id does not exist, cylinders up to that id are generated.
One point will make C programmers cringe: the cylinder structure is
passed by value. This is due to the way the table-macros work. A
refactoring of the table macros is planned. It has to be noted that
the size of a cylinder_t is 64 bytes, i.e. 8 long words on a 64-bit
architecture, so passing on the stack is probably not even significantly
slower than passing as reference.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Thus, future callers will not have to include the monster dive.h
include if they just want to copy cylinders.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This function was used to count the number of weightsystems
used in a dive. Since the weightsysems are now collected
in a dynamic table it became unused. Remove.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Replace the fixed-size weightsystem table by a dynamically
relocated table. Reuse the table-macros used in other parts
of the code.
The table stores weightsystem entries, not pointers to
weightsystems. Thus, ownership of the description string is
taken when adding a weightsystem. An extra function adds
a cloned weightsystem at the end of the table.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This will be used later when joining and editing dives.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Since this function doesn't act on a dive and is only related
to cylinders, move it to equipment.c and equipment.h.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Last users were removed in 34db6dc2bea6173c070c9820a2e57a511b9ca0b1.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The last direct user of the used parameter was removed in
16276faa45279817e363367550a6a37c179251f7, the last actual user in
e2bbd0ceecff7193bb272430fbebfc4b02dd67c3.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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add_cylinder_description() and add_weightsystem_description() don't
modify their input parameter. constify them.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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But only functions that operate only on gases. Functions concerning
cylinders or dives remain in dive.c or are moved to equipment.c
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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There is an equipment.c file, but no corresponding header. Move the
corresponding functions into a newly created header. This does not
improve compile time since, at least for now, equipment.h is included
in dive.h. But it makes things more consistent.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Dirk Hohndel
Berthold Stoeger