* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "sigrok-cli.h"
#include <glib.h>
+#include "sigrok-cli.h"
gboolean opt_version = FALSE;
gint opt_loglevel = SR_LOG_WARN; /* Show errors+warnings by default. */
#endif
gchar *opt_input_format = NULL;
gchar *opt_output_format = NULL;
+gchar *opt_transform_module = NULL;
gchar *opt_show = NULL;
gchar *opt_time = NULL;
gchar *opt_samples = NULL;
gchar *opt_frames = NULL;
gchar *opt_continuous = NULL;
+gchar *opt_get = NULL;
gchar *opt_set = NULL;
+/*
+ * Defines a callback function that generates an error if an
+ * option occurs twice.
+ */
+#define CHECK_ONCE(option) \
+static gboolean check_ ## option \
+ (const gchar *option_name, const gchar *value, \
+ gpointer data, GError **error) \
+{ \
+ (void)data; \
+ \
+ static gboolean seen = FALSE; \
+ if (seen) { \
+ g_set_error(error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED, \
+ "superfluous option \"%s\"", option_name); \
+ return FALSE; \
+ } \
+ \
+ option = g_strdup(value); \
+ seen = TRUE; \
+ return TRUE; \
+}
+
+CHECK_ONCE(opt_drv)
+CHECK_ONCE(opt_config)
+CHECK_ONCE(opt_input_format)
+CHECK_ONCE(opt_output_format)
+CHECK_ONCE(opt_transform_module)
+CHECK_ONCE(opt_channels)
+CHECK_ONCE(opt_channel_group)
+CHECK_ONCE(opt_triggers)
+#ifdef HAVE_SRD
+CHECK_ONCE(opt_pds)
+CHECK_ONCE(opt_pd_stack)
+CHECK_ONCE(opt_pd_annotations)
+CHECK_ONCE(opt_pd_meta)
+CHECK_ONCE(opt_pd_binary)
+#endif
+CHECK_ONCE(opt_time)
+CHECK_ONCE(opt_samples)
+CHECK_ONCE(opt_frames)
+CHECK_ONCE(opt_get)
+
+#undef CHECK_STR_ONCE
+
+static gchar **input_file_array = NULL;
+static gchar **output_file_array = NULL;
+
static const GOptionEntry optargs[] = {
{"version", 'V', 0, G_OPTION_ARG_NONE, &opt_version,
"Show version and support list", NULL},
{"loglevel", 'l', 0, G_OPTION_ARG_INT, &opt_loglevel,
"Set loglevel (5 is most verbose)", NULL},
- {"driver", 'd', 0, G_OPTION_ARG_STRING, &opt_drv,
+ {"driver", 'd', 0, G_OPTION_ARG_CALLBACK, &check_opt_drv,
"The driver to use", NULL},
- {"config", 'c', 0, G_OPTION_ARG_STRING, &opt_config,
+ {"config", 'c', 0, G_OPTION_ARG_CALLBACK, &check_opt_config,
"Specify device configuration options", NULL},
- {"input-file", 'i', 0, G_OPTION_ARG_FILENAME, &opt_input_file,
+ {"input-file", 'i', 0, G_OPTION_ARG_FILENAME_ARRAY, &input_file_array,
"Load input from file", NULL},
- {"input-format", 'I', 0, G_OPTION_ARG_STRING, &opt_input_format,
+ {"input-format", 'I', 0, G_OPTION_ARG_CALLBACK, &check_opt_input_format,
"Input format", NULL},
- {"output-file", 'o', 0, G_OPTION_ARG_FILENAME, &opt_output_file,
+ {"output-file", 'o', 0, G_OPTION_ARG_FILENAME_ARRAY, &output_file_array,
"Save output to file", NULL},
- {"output-format", 'O', 0, G_OPTION_ARG_STRING, &opt_output_format,
+ {"output-format", 'O', 0, G_OPTION_ARG_CALLBACK, &check_opt_output_format,
"Output format", NULL},
- {"channels", 'C', 0, G_OPTION_ARG_STRING, &opt_channels,
+ {"transform-module", 'T', 0, G_OPTION_ARG_CALLBACK, &check_opt_transform_module,
+ "Transform module", NULL},
+ {"channels", 'C', 0, G_OPTION_ARG_CALLBACK, &check_opt_channels,
"Channels to use", NULL},
- {"channel-group", 'g', 0, G_OPTION_ARG_STRING, &opt_channel_group,
+ {"channel-group", 'g', 0, G_OPTION_ARG_CALLBACK, &check_opt_channel_group,
"Channel groups", NULL},
- {"triggers", 't', 0, G_OPTION_ARG_STRING, &opt_triggers,
+ {"triggers", 't', 0, G_OPTION_ARG_CALLBACK, &check_opt_triggers,
"Trigger configuration", NULL},
{"wait-trigger", 'w', 0, G_OPTION_ARG_NONE, &opt_wait_trigger,
"Wait for trigger", NULL},
#ifdef HAVE_SRD
- {"protocol-decoders", 'P', 0, G_OPTION_ARG_STRING, &opt_pds,
+ {"protocol-decoders", 'P', 0, G_OPTION_ARG_CALLBACK, &check_opt_pds,
"Protocol decoders to run", NULL},
- {"protocol-decoder-stack", 'S', 0, G_OPTION_ARG_STRING, &opt_pd_stack,
+ {"protocol-decoder-stack", 'S', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_stack,
"Protocol decoder stack", NULL},
- {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_STRING, &opt_pd_annotations,
+ {"protocol-decoder-annotations", 'A', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_annotations,
"Protocol decoder annotation(s) to show", NULL},
- {"protocol-decoder-meta", 'M', 0, G_OPTION_ARG_STRING, &opt_pd_meta,
+ {"protocol-decoder-meta", 'M', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_meta,
"Protocol decoder meta output to show", NULL},
- {"protocol-decoder-binary", 'B', 0, G_OPTION_ARG_STRING, &opt_pd_binary,
+ {"protocol-decoder-binary", 'B', 0, G_OPTION_ARG_CALLBACK, &check_opt_pd_binary,
"Protocol decoder binary output to show", NULL},
#endif
{"scan", 0, 0, G_OPTION_ARG_NONE, &opt_scan_devs,
"Scan for devices", NULL},
{"show", 0, 0, G_OPTION_ARG_NONE, &opt_show,
"Show device detail", NULL},
- {"time", 0, 0, G_OPTION_ARG_STRING, &opt_time,
+ {"time", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_time,
"How long to sample (ms)", NULL},
- {"samples", 0, 0, G_OPTION_ARG_STRING, &opt_samples,
+ {"samples", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_samples,
"Number of samples to acquire", NULL},
- {"frames", 0, 0, G_OPTION_ARG_STRING, &opt_frames,
+ {"frames", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_frames,
"Number of frames to acquire", NULL},
{"continuous", 0, 0, G_OPTION_ARG_NONE, &opt_continuous,
"Sample continuously", NULL},
+ {"get", 0, 0, G_OPTION_ARG_CALLBACK, &check_opt_get, "Get device option only", NULL},
{"set", 0, 0, G_OPTION_ARG_NONE, &opt_set, "Set device options only", NULL},
{NULL, 0, 0, 0, NULL, NULL, NULL}
};
-/* Parses the command line and sets all the 'opt_...' variables.
- Returns zero on success, non-zero otherwise. */
+/*
+ * Parses the command line and sets all the 'opt_...' variables.
+ * Returns zero on success, non-zero otherwise.
+ */
int parse_options(int argc, char **argv)
{
GError *error = NULL;
goto done;
}
+ /*
+ * Because of encoding issues with filenames (mentioned in the glib
+ * documentation), we don't check them with a callback function, but
+ * collect them into arrays and then check if the arrays contain at
+ * most one element.
+ */
+ if (NULL != input_file_array) {
+ if (NULL != input_file_array[0] && NULL != input_file_array[1]) {
+ g_critical("option \"--input-file/-i\" only allowed once");
+ goto done;
+ }
+ opt_input_file = g_strdup(input_file_array[0]);
+ }
+
+ if (NULL != output_file_array) {
+ if (NULL != output_file_array[0] && NULL != output_file_array[1]) {
+ g_critical("option \"--output-file/-o\" only allowed once");
+ goto done;
+ }
+ opt_output_file = g_strdup(output_file_array[0]);
+ }
+
+ if (1 != argc) {
+ g_critical("superfluous command line argument \"%s\"", argv[1]);
+ goto done;
+ }
+
ret = 0;
done:
g_option_context_free(context);
+ g_strfreev(input_file_array);
+ g_strfreev(output_file_array);
+ input_file_array = NULL;
+ output_file_array = NULL;
return ret;
}
projects / sigrok-cli.git / blobdiff