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/**
* @file logmask.cpp
*
* Functions to convert between a string and a severity mask.
*
* @author Ben Gardner
* @license GPL v2+
*/
#include "logmask.h"
#include "unc_ctype.h"
#include <cstdio> // snprintf()
#include <cstdlib> // strtoul()
#ifdef DEVELOP_ONLY
/*
* the test suite Coveralls: https://coveralls.io
* will complains because these functions are only
* used at development time.
* Don't worry about unused lines for the functions:
* logmask_to_str
*/
char *logmask_to_str(const log_mask_t &mask, char *buf, int size)
{
if ( buf == nullptr
|| size <= 0)
{
return(buf);
}
int last_sev = -1;
bool is_range = false;
int len = 0;
for (int sev = 0; sev < 256; sev++)
{
if (logmask_test(mask, static_cast<log_sev_t>(sev)))
{
if (last_sev == -1)
{
len += snprintf(&buf[len], size - len, "%d,", sev);
}
else
{
is_range = true;
}
last_sev = sev;
}
else
{
if (is_range)
{
buf[len - 1] = '-'; // change last comma to a dash
len += snprintf(&buf[len], size - len, "%d,", last_sev);
is_range = false;
}
last_sev = -1;
}
}
// handle a range that ends on the last bit
if ( is_range
&& last_sev != -1)
{
buf[len - 1] = '-'; // change last comma to a dash
len += snprintf(&buf[len], size - len, "%d", last_sev);
}
else
{
// Eat the last comma
if (len > 0)
{
len--;
}
}
buf[len] = 0;
return(buf);
} // logmask_to_str
#endif /* DEVELOP_ONLY */
void logmask_from_string(const char *str, log_mask_t &mask)
{
if (str == nullptr)
{
return;
}
logmask_set_all(mask, false); // Start with a clean mask
// If the first character is 'a' or 'A', set all severities
if (unc_toupper(*str) == 'A')
{
logmask_set_all(mask, true);
str++;
}
char *ptmp;
bool was_dash = false;
int last_level = -1;
while (*str != 0) // check string until termination character
{
if (unc_isspace(*str)) // ignore spaces and go on with next character
{
str++;
continue;
}
if (unc_isdigit(*str))
{
int level = strtoul(str, &ptmp, 10);
str = ptmp;
logmask_set_sev(mask, static_cast<log_sev_t>(level), true);
if (was_dash)
{
for (int idx = last_level + 1; idx < level; idx++)
{
logmask_set_sev(mask, static_cast<log_sev_t>(idx), true);
}
was_dash = false;
}
last_level = level;
}
else if (*str == '-') // a dash marks all bits until the next number
{
was_dash = true;
str++;
}
else // probably a comma
{
last_level = -1;
was_dash = false;
str++;
}
}
} // logmask_from_string
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