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#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "rec.h"
#define FIELD_TYPES \
FIELD(X, "x") \
FIELD(Y, "y") \
FIELD(State, "state") \
FIELD(Detail, "detail") \
FIELD(Window, "win") \
FIELD(Width, "w") \
FIELD(Height, "h") \
FIELD(Keysym, "keysym")
const char *Record::get_field_name(FieldsType type)
{
#define FIELD(t,n) case t: return n;
switch (type) {
FIELD_TYPES
}
#undef FIELD
return "";
}
Record::FieldsType Record::get_field_type(const char *name)
{
#define FIELD(t,n) if (strcmp(name, n) == 0) return t;
FIELD_TYPES
#undef FIELD
fprintf(stderr, "Invalid field type %s\n", name);
exit(EXIT_FAILURE);
}
#define RECORD_TYPES \
RECORD(KeyDown, "key_down") \
RECORD(KeyUp, "key_up") \
RECORD(ButtonDown, "button_down") \
RECORD(ButtonUp, "button_up") \
RECORD(MouseMotion, "mouse_move") \
RECORD(WindowMove, "window_move") \
RECORD(TargetWindow, "target_window")
const char *Record::get_record_name(RecordType type)
{
#define RECORD(t,n) case t: return n;
switch (type) {
RECORD_TYPES
}
#undef RECORD
return "";
}
Record::RecordType Record::get_record_type(const char *name)
{
#define RECORD(t,n) if (strcmp(name, n) == 0) return t;
RECORD_TYPES
#undef RECORD
fprintf(stderr, "Invalid record type\n");
exit(EXIT_FAILURE);
}
RecordsFile::RecordsFile(FILE *_f):
f(_f)
{
if (!f) {
fprintf(stderr, "unable to open file\n");
exit(EXIT_FAILURE);
}
}
ReadRecordsFile::ReadRecordsFile(const char *fn):
RecordsFile(fopen(fn, "r")),
eof(false)
{
get_line();
}
#define SPACES " \t\v\r\n"
void ReadRecordsFile::get_line()
{
if (eof) {
fprintf(stderr, "trying to read past EOF\n");
exit(EXIT_FAILURE);
}
while (fgets(next_line, sizeof(next_line), f)) {
const char *p = next_line;
// skip initial spaces
p += strspn(p, SPACES);
// detect comments
if (!*p || *p == '#')
continue;
// got line
return;
}
if (!feof(f)) {
fprintf (stderr, "error reading input file\n");
exit(EXIT_FAILURE);
}
eof = true;
}
Record ReadRecordsFile::get()
{
char *line = next_line;
// skip initial spaces
line += strspn(line, SPACES);
// read time and command
int got = 0;
unsigned time;
char cmd[64];
if (sscanf(line, "@%u %60[^" SPACES "]%n", &time, cmd, &got) < 2) {
fprintf (stderr, "error reading time: %s\n", next_line);
exit(EXIT_FAILURE);
}
Record::RecordType type = Record::get_record_type(cmd);
Record rec(type, time);
char *p = line + got;
for (;;) {
char field[64];
unsigned value;
p += strspn(p, SPACES);
if (!*p)
break;
got = 0;
if (sscanf(p, "%60[^:]:%u%n", field, &value, &got) < 2 || got == 0) {
fprintf(stderr, "expected a field: %s\n", next_line);
exit(EXIT_FAILURE);
}
p += got;
Record::FieldsType type = Record::get_field_type(field);
rec.set_field(type, value);
}
get_line();
return rec;
}
WriteRecordsFile::WriteRecordsFile(const char *fn):
RecordsFile(fopen(fn, "w"))
{
}
void WriteRecordsFile::put(const Record &rec)
{
fprintf(f, "@%u %s", rec.get_time(), rec.get_record_name(rec.get_type()));
for (unsigned n = 0; n < Record::MAX_FIELD; ++n) {
Record::FieldsType type = (Record::FieldsType) n;
if (!rec.has_field(type))
continue;
fprintf(f, " %s:%u", rec.get_field_name(type), rec.get_field(type));
}
fprintf(f, "\n");
}
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