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8212acc992
In an effort to reduce the size of dive.h and dive.c, break out the event related functions. Moreover event-names were handled by the profile-code, collect that also in the new source files. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
136 lines
2.9 KiB
C
136 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "event.h"
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#include "subsurface-string.h"
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#include <string.h>
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#include <stdlib.h>
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int event_is_gaschange(const struct event *ev)
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{
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return ev->type == SAMPLE_EVENT_GASCHANGE ||
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ev->type == SAMPLE_EVENT_GASCHANGE2;
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}
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bool event_is_divemodechange(const struct event *ev)
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{
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return same_string(ev->name, "modechange");
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}
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struct event *clone_event(const struct event *src_ev)
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{
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struct event *ev;
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if (!src_ev)
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return NULL;
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size_t size = sizeof(*src_ev) + strlen(src_ev->name) + 1;
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ev = (struct event*) malloc(size);
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if (!ev)
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exit(1);
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memcpy(ev, src_ev, size);
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ev->next = NULL;
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return ev;
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}
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void free_events(struct event *ev)
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{
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while (ev) {
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struct event *next = ev->next;
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free(ev);
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ev = next;
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}
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}
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struct event *create_event(unsigned int time, int type, int flags, int value, const char *name)
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{
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int gas_index = -1;
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struct event *ev;
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unsigned int size, len = strlen(name);
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size = sizeof(*ev) + len + 1;
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ev = malloc(size);
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if (!ev)
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return NULL;
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memset(ev, 0, size);
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memcpy(ev->name, name, len);
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ev->time.seconds = time;
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ev->type = type;
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ev->flags = flags;
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ev->value = value;
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/*
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* Expand the events into a sane format. Currently
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* just gas switches
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*/
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switch (type) {
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case SAMPLE_EVENT_GASCHANGE2:
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/* High 16 bits are He percentage */
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ev->gas.mix.he.permille = (value >> 16) * 10;
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/* Extension to the GASCHANGE2 format: cylinder index in 'flags' */
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/* TODO: verify that gas_index < num_cylinders. */
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if (flags > 0)
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gas_index = flags-1;
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/* Fallthrough */
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case SAMPLE_EVENT_GASCHANGE:
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/* Low 16 bits are O2 percentage */
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ev->gas.mix.o2.permille = (value & 0xffff) * 10;
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ev->gas.index = gas_index;
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break;
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}
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return ev;
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}
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struct event *clone_event_rename(const struct event *ev, const char *name)
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{
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return create_event(ev->time.seconds, ev->type, ev->flags, ev->value, name);
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}
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bool same_event(const struct event *a, const struct event *b)
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{
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if (a->time.seconds != b->time.seconds)
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return 0;
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if (a->type != b->type)
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return 0;
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if (a->flags != b->flags)
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return 0;
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if (a->value != b->value)
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return 0;
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return !strcmp(a->name, b->name);
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}
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/* collect all event names and whether we display them */
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struct ev_select *ev_namelist = NULL;
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int evn_used = 0;
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static int evn_allocated = 0;
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void clear_events(void)
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{
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for (int i = 0; i < evn_used; i++)
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free(ev_namelist[i].ev_name);
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evn_used = 0;
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}
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void remember_event(const char *eventname)
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{
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int i = 0, len;
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if (!eventname || (len = strlen(eventname)) == 0)
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return;
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while (i < evn_used) {
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if (!strncmp(eventname, ev_namelist[i].ev_name, len))
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return;
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i++;
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}
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if (evn_used == evn_allocated) {
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evn_allocated += 10;
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ev_namelist = realloc(ev_namelist, evn_allocated * sizeof(struct ev_select));
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if (!ev_namelist)
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/* we are screwed, but let's just bail out */
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return;
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}
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ev_namelist[evn_used].ev_name = strdup(eventname);
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ev_namelist[evn_used].plot_ev = true;
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evn_used++;
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}
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