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(svn r9398) -Feature: Allow for a conversion callback system while reading configuration file, in case of wrong value.

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This is the basic step, no patch setting is actually using it, so far
This commit is contained in:
belugas
2007-03-22 03:15:58 +00:00
parent 3c6e6a1d99
commit de273f1c45
2 changed files with 19 additions and 10 deletions
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25
src/settings.cpp
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@@ -945,15 +945,22 @@ static void ini_save_setting_list(IniFile *ini, const char *grpname, char **list
* If nothing fits you, you can use the GENERAL macros, but it exposes the
* internal structure somewhat so it needs a little looking. There are _NULL()
* macros as well, these fill up space so you can add more patches there (in
* place) and you DON'T have to increase the savegame version. */
* place) and you DON'T have to increase the savegame version.
*
* While reading values from openttd.cfg, some values may not be converted
* properly, for any kind of reasons. In order to allow a process of self-cleaning
* mechanism, a callback procedure is made available. You will have to supply the function, which
* will work on a string, one function per patch. And of course, enable the callback param
* on the appropriate macro.
*/
#define NSD_GENERAL(name, def, cmd, guiflags, min, max, interval, many, str, proc)\
{name, (const void*)(def), {cmd}, {guiflags}, min, max, interval, many, str, proc}
#define NSD_GENERAL(name, def, cmd, guiflags, min, max, interval, many, str, proc, load)\
{name, (const void*)(def), {cmd}, {guiflags}, min, max, interval, many, str, proc, load}
/* Macros for various objects to go in the configuration file.
* This section is for global variables */
#define SDTG_GENERAL(name, sdt_cmd, sle_cmd, type, flags, guiflags, var, length, def, min, max, interval, full, str, proc, from, to)\
{NSD_GENERAL(name, def, sdt_cmd, guiflags, min, max, interval, full, str, proc), SLEG_GENERAL(sle_cmd, var, type | flags, length, from, to)}
{NSD_GENERAL(name, def, sdt_cmd, guiflags, min, max, interval, full, str, proc, NULL), SLEG_GENERAL(sle_cmd, var, type | flags, length, from, to)}
#define SDTG_CONDVAR(name, type, flags, guiflags, var, def, min, max, interval, str, proc, from, to)\
SDTG_GENERAL(name, SDT_NUMX, SL_VAR, type, flags, guiflags, var, 0, def, min, max, interval, NULL, str, proc, from, to)
@@ -986,14 +993,14 @@ static void ini_save_setting_list(IniFile *ini, const char *grpname, char **list
SDTG_CONDMMANY(name, type, flags, guiflags, var, def, full, str, proc, 0, SL_MAX_VERSION)
#define SDTG_CONDNULL(length, from, to)\
{{"", NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL}, SLEG_CONDNULL(length, from, to)}
{{"", NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL, NULL}, SLEG_CONDNULL(length, from, to)}
#define SDTG_END() {{NULL, NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL}, SLEG_END()}
#define SDTG_END() {{NULL, NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL, NULL}, SLEG_END()}
/* Macros for various objects to go in the configuration file.
* This section is for structures where their various members are saved */
#define SDT_GENERAL(name, sdt_cmd, sle_cmd, type, flags, guiflags, base, var, length, def, min, max, interval, full, str, proc, from, to)\
{NSD_GENERAL(name, def, sdt_cmd, guiflags, min, max, interval, full, str, proc), SLE_GENERAL(sle_cmd, base, var, type | flags, length, from, to)}
{NSD_GENERAL(name, def, sdt_cmd, guiflags, min, max, interval, full, str, proc, NULL), SLE_GENERAL(sle_cmd, base, var, type | flags, length, from, to)}
#define SDT_CONDVAR(base, var, type, from, to, flags, guiflags, def, min, max, interval, str, proc)\
SDT_GENERAL(#var, SDT_NUMX, SL_VAR, type, flags, guiflags, base, var, 1, def, min, max, interval, NULL, str, proc, from, to)
@@ -1035,9 +1042,9 @@ static void ini_save_setting_list(IniFile *ini, const char *grpname, char **list
SDT_CONDMMANY(base, var, type, 0, SL_MAX_VERSION, flags, guiflags, def, full, str, proc)
#define SDT_CONDNULL(length, from, to)\
{{"", NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL}, SLE_CONDNULL(length, from, to)}
{{"", NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL, NULL}, SLE_CONDNULL(length, from, to)}
#define SDT_END() {{NULL, NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL}, SLE_END()}
#define SDT_END() {{NULL, NULL, {0}, {0}, 0, 0, 0, NULL, STR_NULL, NULL, NULL}, SLE_END()}
/* Shortcuts for macros below. Logically if we don't save the value
* we also don't sync it in a network game */