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Revamp of the Windows command-line parsing and puzzle-loading code.

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The Windows puzzles now accept similar command-line syntax to the GTK
ones, in that you can give them either a game ID (descriptive, random
or just plain params) or the name of a save file. Unlike the GTK ones,
however, the save file interpretation is tried first; this is because
some puzzles (e.g. Black Box) will interpret any old string as a valid
(if boring) game ID, and unlike the GTK puzzles it's not feasible to
require users to disambiguate via a command-line option, because on
Windows a thing that might easily happen is that a user passes a save
file to a puzzle binary via 'Open With' in the GUI shell, where they
don't get the chance to add extra options.

In order to make this work sensibly in the all-in-one Windows app, I
had to get round to another thing I've been planning to do for a
while, which is to write a function to examine a saved game file and
find out which puzzle it's for. So the combined Windows binary will
auto-switch to the right game if you pass a save file on its command
line, and also if you use Load while the program is running.

Another utility function I needed is one to split the WinMain single
command line string into argv. For this I've imported a copy of
split_into_argv() from Windows PuTTY (which doesn't affect this
package's list of copyright holders, since that function was all my
own code anyway).

[originally from svn r9749]
This commit is contained in:
Simon Tatham
2013-01-19 18:56:05 +00:00
parent d1ffb55d26
commit 6b6442b16c
3 changed files with 507 additions and 47 deletions
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3
puzzles.h
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@ -228,6 +228,7 @@ void print_line_dotted(drawing *dr, int dotted);
midend *midend_new(frontend *fe, const game *ourgame,
const drawing_api *drapi, void *drhandle);
void midend_free(midend *me);
const game *midend_which_game(midend *me);
void midend_set_params(midend *me, game_params *params);
game_params *midend_get_params(midend *me);
void midend_size(midend *me, int *x, int *y, int user_size);
@ -264,6 +265,8 @@ void midend_serialise(midend *me,
char *midend_deserialise(midend *me,
int (*read)(void *ctx, void *buf, int len),
void *rctx);
char *identify_game(char **name, int (*read)(void *ctx, void *buf, int len),
void *rctx);
/* Printing functions supplied by the mid-end */
char *midend_print_puzzle(midend *me, document *doc, int with_soln);
int midend_tilesize(midend *me);