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* make option parsing specific for the mu command

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This commit is contained in:
Dirk-Jan C. Binnema
2011-01-02 18:10:11 +02:00
parent 0101837c38
commit 091dedf954
3 changed files with 109 additions and 51 deletions
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84
src/mu-config.c
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@ -81,6 +81,8 @@ set_group_index_defaults (MuConfigOptions * opts)
g_free(opts->maildir);
opts->maildir = exp;
}
opts->xbatchsize = 0;
}
static GOptionGroup*
@ -99,6 +101,8 @@ config_options_group_index (MuConfigOptions * opts)
NULL},
{"nocleanup", 0, 0, G_OPTION_ARG_NONE, &opts->nocleanup,
"don't clean up the database after indexing", NULL},
{"xbatchsize", 0, 0, G_OPTION_ARG_INT, &opts->xbatchsize,
"set a custom batchsize for committing to xapian or 0 for default", NULL},
{NULL, 0, 0, 0, NULL, NULL, NULL}
};
@ -220,28 +224,88 @@ config_options_group_extract(MuConfigOptions *opts)
return og;
}
static MuConfigCmd
cmd_from_params (int *argcp, char ***argvp)
{
int i;
const char *cmd;
typedef struct {
const gchar* _name;
MuConfigCmd _cmd;
} Cmd;
Cmd cmd_map[] = {
{ "index", MU_CONFIG_CMD_INDEX },
{ "find", MU_CONFIG_CMD_FIND },
{ "cleanup", MU_CONFIG_CMD_CLEANUP },
{ "mkdir", MU_CONFIG_CMD_MKDIR },
{ "view", MU_CONFIG_CMD_VIEW },
{ "extract", MU_CONFIG_CMD_EXTRACT }
};
if (*argcp < 2)
return MU_CONFIG_CMD_UNKNOWN;
cmd = (*argvp)[1]; /* commmand or option */
for (i = 0; i != G_N_ELEMENTS(cmd_map); ++i)
if (strcmp (cmd, cmd_map[i]._name) == 0)
return cmd_map[i]._cmd;
/* if the first param starts with '-', there is no command, just some option
* (like --version, --help etc.)*/
if (cmd[0] == '-')
return MU_CONFIG_CMD_NONE;
return MU_CONFIG_CMD_UNKNOWN;
}
static gboolean
parse_params (MuConfigOptions *opts, int *argcp, char ***argvp)
{
GError *err;
GOptionContext *context;
gboolean rv;
opts->cmd = cmd_from_params (argcp, argvp);
if (opts->cmd == MU_CONFIG_CMD_UNKNOWN)
return FALSE;
context = g_option_context_new("- mu general option");
g_option_context_set_main_group(context, config_options_group_mu(opts));
g_option_context_add_group(context, config_options_group_index(opts));
g_option_context_add_group(context, config_options_group_find(opts));
g_option_context_add_group(context, config_options_group_mkdir(opts));
g_option_context_add_group(context, config_options_group_extract(opts));
switch (opts->cmd) {
case MU_CONFIG_CMD_INDEX:
g_option_context_add_group(context, config_options_group_index(opts));
break;
case MU_CONFIG_CMD_FIND:
g_option_context_add_group(context, config_options_group_find(opts));
break;
case MU_CONFIG_CMD_MKDIR:
g_option_context_add_group(context, config_options_group_mkdir(opts));
break;
case MU_CONFIG_CMD_EXTRACT:
g_option_context_add_group(context, config_options_group_extract(opts));
break;
case MU_CONFIG_CMD_UNKNOWN:
default:
break;
}
err = NULL;
rv = g_option_context_parse(context, argcp, argvp, &err);
if (!rv) {
g_warning("error in options: %s\n", err->message);
/* use g_printerr here, as logging is not yet initialized */
if (opts->cmd != MU_CONFIG_CMD_NONE)
g_printerr ("error in options for command: %s\n", err->message);
else
g_printerr ("error in options: %s\n", err->message);
g_error_free(err);
}
g_option_context_free(context);
/* fill in the defaults if user did not specify */
@ -260,10 +324,10 @@ mu_config_init (MuConfigOptions *opts, int *argcp, char ***argvp)
memset(opts, 0, sizeof(MuConfigOptions));
/* defaults are set in parse_params */
if (argcp && argvp)
if (argcp && argvp)
if (!parse_params(opts, argcp, argvp))
return FALSE;
return TRUE;
}