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|
#if 0
${CC:-gcc} -s -O2 -std=c99 -Wall -o ${SPREED_INSTALL_DIR:-.}/spreed src/spreed.c
exit
#endif
#define _POSIX_C_SOURCE 200809L
#include <locale.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <wchar.h>
#include <wctype.h>
#define SPRD_VER L"0.1"
#define CLR_FG L"\033[31m"
#define CLR_RESET L"\033[0m"
#define SPRD_CLOCK CLOCK_MONOTONIC
#define MS_PER_MIN (60ll * 1000000000ll)
#define SPRD_CLOCK_DIFF(t1, t2) ((((int64_t)t1.tv_sec * 1000000000ll) + (int64_t)t1.tv_nsec) - (((int64_t)t2.tv_sec * 1000000000ll) + (int64_t)t2.tv_nsec))
const uint8_t orps[9] = {0,0,0,1,1,2,2,2,2};
uint8_t get_optimal_recognition_point(size_t len) {
if (len >= 10) return 3;
return orps[len-1];
}
int main(int argc, char *argv[])
{
struct timespec ts_last, ts_current, ts_sleep;
wchar_t word[37];
wchar_t wc;
char *str;
int64_t cooldown, wpm_ns;
int c;
char chararr[4];
uint8_t u, uu, ichar, iword, b_word_break;
setlocale(LC_ALL, "");
fwide(stdout, 1);
clock_getres(SPRD_CLOCK, &ts_last);
memset(word, 0, 37 * sizeof(wchar_t));
cooldown = 0;
wpm_ns = MS_PER_MIN / 250;
memset(chararr, 0, sizeof(chararr));
ichar = 0;
iword = 0;
b_word_break = 0;
if (argc > 1) {
if (strstr(argv[1], "-v") || strstr(argv[1], "--v") || strstr(argv[1], "-V") || strstr(argv[1], "--V")) {
fwprintf(stdout, "spreed version "SPRD_VER"\n");
return 0;
}
}
str = getenv("SPREED_WPM");
if (argc > 1) {
str = argv[1];
}
if (str != NULL) {
wpm_ns = strtoll(str, NULL, 10);
if (wpm_ns == 0) {
fwprintf(stdout, L"Error: parsed '%s' as %ll, setting to default of 250\n", str, wpm_ns);
wpm_ns = 250;
} else if (wpm_ns > (60 * 30)) {
wpm_ns = 60 * 30;
fwprintf(stdout, L"Limiting to %i wpm (30 fps)\n", 60 * 30);
}
wpm_ns = MS_PER_MIN / wpm_ns;
}
fwprintf(stdout, L"Clock (%i) accuracy: %ll.%09lls\n", SPRD_CLOCK, ts_last.tv_sec, ts_last.tv_nsec);
fwprintf(stdout, L" V\n");
clock_gettime(SPRD_CLOCK, &ts_current);
ts_last = ts_current;
ts_last.tv_sec -= 60;
do {
while (cooldown > 0) {
clock_gettime(SPRD_CLOCK, &ts_current);
cooldown -= SPRD_CLOCK_DIFF(ts_current, ts_last);
if (cooldown <= 0) {
break;
}
ts_sleep.tv_sec = 0;
ts_sleep.tv_nsec = cooldown > 1000000000ll ? 999999999ll : cooldown;
nanosleep(&ts_sleep, NULL);
}
b_word_break = 0;
c = getchar();
if (c == EOF) {
b_word_break = iword > 0;
goto END_OF_WORD;
}
chararr[ichar++] = (char)c;
switch(mbrtowc(&wc, chararr, 4, NULL)) {
case 0:
// null char
if (iword == 0 && ichar == 1) {
ichar = 0;
memset(chararr, 0, 4 * sizeof(char));
continue;
} else {
b_word_break = 1;
goto END_OF_WORD;
}
case (size_t)-2:
// incomplete wchar_t, keep reading bytes
continue;
case (size_t)-1:
if (ichar == 4) {
// emojis return (size_t)-1 until we have all the bytes
fwprintf(stderr, L"\nmbrtowc encoding error\n");
return 1;
}
continue;
}
// not a printable character, swallow
if (!iswprint(wc) && iword == 0) {
ichar = 0;
memset(chararr, 0, 4 * sizeof(char));
continue;
}
if (iswspace(wc)) {
if (iword == 0) {
ichar = 0;
memset(chararr, 0, 4 * sizeof(char));
continue;
}
b_word_break = 1;
}
END_OF_WORD:
ichar = 0;
memset(chararr, 0, 4 * sizeof(char));
if (b_word_break != 0 || iword >= 37) {
if (iword == 0) {
fwprintf(stderr, L"\n0 length word\n");
return 2;
}
ichar = get_optimal_recognition_point(iword);
uu = 0;
putwchar('\r');
for (u = 0; u < 48; ++u) {
if (u < 10-ichar) {
putwchar(L' ');
continue;
}
if (uu < iword) {
if (u == 10) {
fwprintf(stdout, L"%ls", CLR_FG);
}
putwchar(word[uu++]);
if (u == 10) {
fwprintf(stdout, L"%ls", CLR_RESET);
}
continue;
}
putwchar(L' ');
}
fflush(stdout);
while (iword > 0) {
if (iswalnum(word[iword-1])) {
break;
}
if (word[iword-1] == L'.' || word[iword-1] == L'!' || word[iword-1] == L'?') {
cooldown += wpm_ns;
break;
}
iword--;
}
cooldown += wpm_ns;
iword = 0;
memset(word, 0, 37 * sizeof(wchar_t));
ts_last = ts_current;
}
ichar = 0;
if (!iswspace(wc)) {
word[iword++] = wc;
}
} while (c != EOF);
putwchar('\n');
return 0;
}
|
