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#include <bglibs/sysdeps.h>
#include <ctype.h>
#include <string.h>
#include "bcron.h"
static int parse_value(const char* s, int* out,
const char** table)
{
int v;
int i;
if (!isdigit(*s)) {
if (table != 0) {
for (i = 0; table[i] != 0; ++i) {
int len;
if ((len = strlen(table[i])) == 0)
continue;
if (strncasecmp(table[i], s, len) == 0
&& !isalpha(s[len])) {
*out = i;
return len;
}
if (strncasecmp(table[i], s, 3) == 0
&& !isalpha(s[3])) {
*out = i;
return 3;
}
}
}
return 0;
}
for (i = v = 0; isdigit(s[i]); ++i)
v = (v * 10) + (s[i] - '0');
*out = v;
return i;
}
static int parse_field(const char* s, bitmap* out,
int min, int max, bitmap all,
const char** table, int numoffset)
{
int start;
int i;
int startbit;
int endbit;
int bit;
int step;
bitmap bits;
if (s[0] == '*' && isspace(s[1])) {
*out = all;
return 1;
}
bits = i = 0;
do {
start = i;
step = 1;
if (s[i] == '*') {
++i;
startbit = min;
endbit = max;
}
else {
if ((i += parse_value(s+i, &startbit, table)) == start)
return 0;
startbit -= numoffset;
endbit = startbit;
if (s[i] == '-') {
++i;
start = i;
if ((i += parse_value(s+i, &endbit, table)) == start)
return 0;
endbit -= numoffset;
}
}
if (s[i] == '/') {
++i;
start = i;
if ((i += parse_value(s+i, &step, 0)) == start)
return 0;
}
if (startbit > endbit
|| startbit < min
|| endbit > max)
return 0;
bit = startbit;
do {
bits |= 1ULL << bit;
bit += step;
} while (bit <= endbit);
while (s[i] == ',')
++i;
} while (!isspace(s[i]));
*out = bits;
return i;
}
static const char* wday_table[] = {
"sunday",
"monday",
"tuesday",
"wednesday",
"thursday",
"friday",
"saturday",
"sunday",
0
};
static const char* month_table[] = {
"",
"january",
"february",
"march",
"april",
"may",
"june",
"july",
"august",
"september",
"october",
"november",
"december",
0
};
int timespec_parse(struct job_timespec* t, const char* s)
{
int i;
bitmap b;
const char* start;
start = s;
if ((i = parse_field(s, &t->minutes, 0, 59, ALL_MINUTES, 0, 0)) <= 0
|| !isspace(s[i]))
return 0;
for (s += i; isspace(*s); ++s) ;
if ((i = parse_field(s, &t->hours, 0, 23, ALL_HOURS, 0, 0)) <= 0
|| !isspace(s[i]))
return 0;
for (s += i; isspace(*s); ++s) ;
if ((i = parse_field(s, &t->mdays, 1, 31, ALL_MDAYS, 0, 0)) <= 0
|| !isspace(s[i]))
return 0;
for (s += i; isspace(*s); ++s) ;
if ((i = parse_field(s, &t->months, 0, 11, ALL_MONTHS, month_table, 1)) <= 0
|| !isspace(s[i]))
return 0;
for (s += i; isspace(*s); ++s) ;
if ((i = parse_field(s, &t->wdays, 0, 7, ALL_WDAYS, wday_table, 0)) <= 0
|| !isspace(s[i]))
return 0;
s += i;
if (t->wdays & (1 << 7)) {
t->wdays |= 1;
t->wdays &= ALL_WDAYS;
}
for (b = t->hours, i = 0; b != 0; b >>= 1)
i += (unsigned)b & 1;
t->hour_count = i;
return s - start;
}
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