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2019-11-09Cleanup: return cylinder from cylinder_start() in parserGravatar Berthold Stoeger
Most callers of this function accessed the newly generated cylinder immediately after calling this function. Thus, for convenience, return the added cylinder. This avoids a number of verbose expressions. On the flip side, cylinder_start() now has to be cast to function returning void in a the "nesting" function table. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-11-09Core: remove MAX_CYLINDERS restrictionGravatar Berthold Stoeger
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>
2019-07-18Core: dynamically resize weight tableGravatar Berthold Stoeger
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>
2019-06-19Cleanup: move trip-related functions into own translation unitGravatar Berthold Stoeger
These functions were spread out over dive.c and divelist.c. Move them into their own file to make all this a bit less monolithic. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-04-12Cleanup: move parse-function declarations out of "dive.h"Gravatar Berthold Stoeger
Move the declaration of these functions to "file.h" and "parse.h" according to the translation unit they are defined in. Thus, not all users of "dive.h" have to suck in "sqlite3.h". Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-04-12Parser: parse into custom dive site tableGravatar Berthold Stoeger
To extend the undo system to dive sites, the importers and downloaders must not parse directly into the global dive site table. Instead, pass a dive_site_table argument to parse into. For now, always pass the global dive_site_table so that this commit should not cause any functional change. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-01-09Parser: add trip_table parameter to parsing functionsGravatar Berthold Stoeger
To allow parsing into arbitrary trip_tables, add the corresponding parameter to the parsing functions and the parser state. Currently, all callers pass the global trip_table so there should be no change in functionality. These arguments will be replaced in subsequent commits. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-01-03Use state structure for sample rate infoGravatar Miika Turkia
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
2018-10-23Parser: make parser (mostly) reentrantGravatar Berthold Stoeger
Introduce a parser_state structure, which describes (most) of the global parser state. Create such a structure in the entry routines to the parser and pass it down to the individual functions. The parser state is initialized and freed with the init_parser_state() and free_parser_state() functions. The main benefits are: 1) Isolation of parser state. 2) Keeping the global name space tidy. 3) Prevent memory leaks which could happen in truncated files by freeing all the parser state after parse. A somewhat controversial point might be that the individual parsing functions are split in those that need parser-state and those that don't. This means that there are now two versions of the MATCH macro, viz. one for the former and one for the latter. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-22Parser: remove webservice related codeGravatar Berthold Stoeger
Recently, the subsurface webservice was removed. Remove the corresponding code in the parser. This removes a static variable, which was used to generate unique dive-site ids. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-21Add 'location_t' data structureGravatar Linus Torvalds
Instead of having people treat latitude and longitude as separate things, just add a 'location_t' data structure that contains both. Almost all cases want to always act on them together. This is really just prep-work for adding a few more locations that we track: I want to add a entry/exit location to each dive (independent of the dive site) because of how the Garmin Descent gives us the information (and hopefully, some day, other dive computers too). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-10-14Cleanup: move clear_table() to divesite.cGravatar Berthold Stoeger
There were two declaration of clear_table(), one in dive.h and one in parse.h. The definition was in parse.c. Since the parser doesn't even use the function, move the function and its declaration to divelist.[ch] and remove the redundant declaration in dive.h. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-10-14Parser: remove global variable dive_idGravatar Berthold Stoeger
This variable was only used in the divinglog_dive() function. There, it was initialized right at the beginning and therefore there seems to be no point in conserving its value across function-calls. Make the variable local and remove the global version. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-08-30Parser: move match() into core/parse-xml.cGravatar Berthold Stoeger
The match() function compares a pattern with a name with a twist: The name may either end in '\0' or '.'. If pattern and name match, a parsing function is called on a buffer and a destination value. The result of the parsing is not checked. This seems awfully XML-specific and therefore move the function from the general parse.c to the specialized parse-xml.c unit and make it of local linkage. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-08-23Cleanup: const-ify functions taking dives and divecomputersGravatar Berthold Stoeger
Another small step in making things const-clean. See also commit 605e1e19ed0c52a16580c95e36ae79e71b539351. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2018-01-05Don't define cur_setting in header fileGravatar Berthold Stoeger
The object cur_setting was defined in core/pref.h. Instead, declare it as extern and define it in core/parse.c. This silences a compiler warning, since inclusion of core/pref.h would define the object, which was then left unused in tests/testparse.cpp. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2017-11-27Move atoi_n to parse.cGravatar Miika Turkia
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
2017-11-27Move metric variable to parse.cGravatar Miika Turkia
This is required when moving Shearwater DB parsing into parse-db.c Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
2017-11-27Move add_dive_site to parse.cGravatar Miika Turkia
Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
2017-11-27Refactore parse-xml.c into parse.c and parse-xml.cGravatar Miika Turkia
This should help us to move parsing that is not XML related to other files, hopefully making the code cleaner. Signed-off-by: Miika Turkia <miika.turkia@gmail.com>