#include <stdlib.h>
#include <string.h>
#include <glib.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "input/csv"
res = SR_ERR;
- switch(inc->format) {
+ switch (inc->format) {
case FORMAT_BIN:
res = parse_binstr(column, inc);
break;
struct context *inc;
const char *s;
- in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
+ in->sdi = g_malloc0(sizeof(struct sr_dev_inst));
in->priv = inc = g_malloc0(sizeof(struct context));
inc->single_column = g_variant_get_int32(g_hash_table_lookup(options, "single-column"));
return SR_OK;
}
-static char *get_line_termination(GString *buf)
+static const char *get_line_termination(GString *buf)
{
- char *term;
+ const char *term;
term = NULL;
if (g_strstr_len(buf->str, buf->len, "\r\n"))
static int initial_parse(const struct sr_input *in, GString *buf)
{
struct context *inc;
- struct sr_channel *ch;
GString *channel_name;
gsize num_columns, l, i;
unsigned int line_number;
}
if (!lines[l]) {
/* Not enough data for a proper line yet. */
- ret = SR_OK_CONTINUE;
+ ret = SR_ERR_NA;
goto out;
}
if (inc->header && inc->multi_column_mode && strlen(columns[i]))
g_string_assign(channel_name, columns[i]);
else
- g_string_printf(channel_name, "%lu", i);
- ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, channel_name->str);
- in->sdi->channels = g_slist_append(in->sdi->channels, ch);
+ g_string_printf(channel_name, "%zu", i);
+ sr_channel_new(in->sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name->str);
}
g_string_free(channel_name, TRUE);
struct context *inc;
GString *new_buf;
int len, ret;
- char *termination, *p;
+ char *p;
+ const char *termination;
inc = in->priv;
if (!(termination = get_line_termination(in->buf)))
/* Don't have a full line yet. */
- return SR_OK_CONTINUE;
+ return SR_ERR_NA;
if (!(p = g_strrstr_len(in->buf->str, in->buf->len, termination)))
/* Don't have a full line yet. */
- return SR_OK_CONTINUE;
+ return SR_ERR_NA;
len = p - in->buf->str - 1;
new_buf = g_string_new_len(in->buf->str, len);
g_string_append_c(new_buf, '\0');
return ret;
}
-static int receive(const struct sr_input *in, GString *buf)
+static int process_buffer(struct sr_input *in)
{
struct sr_datafeed_packet packet;
struct sr_datafeed_meta meta;
int max_columns, ret, l;
char *p, **lines, **columns;
- g_string_append_len(in->buf, buf->str, buf->len);
-
inc = in->priv;
- if (!inc->termination) {
- ret = initial_receive(in);
- if (ret == SR_OK_CONTINUE)
- /* Not enough data yet. */
- return SR_OK_CONTINUE;
- else if (ret != SR_OK)
- return SR_ERR;
-
- inc->started = TRUE;
+ if (!inc->started) {
std_session_send_df_header(in->sdi, LOG_PREFIX);
if (inc->samplerate) {
sr_session_send(in->sdi, &packet);
sr_config_free(src);
}
+
+ inc->started = TRUE;
}
if (!(p = g_strrstr_len(in->buf->str, in->buf->len, inc->termination)))
else
max_columns = 1;
+ ret = SR_OK;
lines = g_strsplit_set(in->buf->str, "\r\n", 0);
for (l = 0; lines[l]; l++) {
inc->line_number++;
continue;
}
+ /* Skip the header line, its content was used as the channel names. */
+ if (inc->header) {
+ sr_spew("Header line %zu skipped.", inc->line_number);
+ inc->header = FALSE;
+ continue;
+ }
+
if (!(columns = parse_line(lines[l], inc, max_columns))) {
sr_err("Error while parsing line %zu.", inc->line_number);
return SR_ERR;
g_strfreev(lines);
g_string_erase(in->buf, 0, p - in->buf->str + 1);
- return SR_OK;
+ return ret;
}
-static int cleanup(struct sr_input *in)
+static int receive(struct sr_input *in, GString *buf)
{
struct context *inc;
- struct sr_datafeed_packet packet;
+ int ret;
+
+ g_string_append_len(in->buf, buf->str, buf->len);
inc = in->priv;
- if (!inc)
+ if (!inc->termination) {
+ if ((ret = initial_receive(in)) == SR_ERR_NA)
+ /* Not enough data yet. */
+ return SR_OK;
+ else if (ret != SR_OK)
+ return SR_ERR;
+
+ /* sdi is ready, notify frontend. */
+ in->sdi_ready = TRUE;
return SR_OK;
+ }
+ ret = process_buffer(in);
+
+ return ret;
+}
+
+static int end(struct sr_input *in)
+{
+ struct context *inc;
+ struct sr_datafeed_packet packet;
+ int ret;
+
+ if (in->sdi_ready)
+ ret = process_buffer(in);
+ else
+ ret = SR_OK;
+
+ inc = in->priv;
if (inc->started) {
/* End of stream. */
packet.type = SR_DF_END;
sr_session_send(in->sdi, &packet);
}
+ return ret;
+}
+
+static void cleanup(struct sr_input *in)
+{
+ struct context *inc;
+
+ inc = in->priv;
+
if (inc->delimiter)
g_string_free(inc->delimiter, TRUE);
if (inc->comment)
g_string_free(inc->comment, TRUE);
- if (inc->termination)
- g_free(inc->termination);
-
- if (inc->sample_buffer)
- g_free(inc->sample_buffer);
-
- g_free(inc);
- in->priv = NULL;
-
- return SR_OK;
+ g_free(inc->termination);
+ g_free(inc->sample_buffer);
}
static struct sr_option options[] = {
.id = "csv",
.name = "CSV",
.desc = "Comma-separated values",
+ .exts = (const char*[]){"csv", NULL},
.metadata = { SR_INPUT_META_MIMETYPE },
.options = get_options,
.format_match = format_match,
.init = init,
.receive = receive,
+ .end = end,
.cleanup = cleanup,
};