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Correct several glaring issues with interval_t and the date parser, which has

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all but entirely ruined Ledger's date handling capabilities.
This commit is contained in:
John Wiegley 2008-07-17 06:12:32 -04:00
parent 0f83b9f0c3
commit f482d120fd
2 changed files with 22 additions and 18 deletions
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28
datetime.cc
View file

@ -33,8 +33,8 @@ const char * date_t::formats[] = {
datetime_t datetime_t::now(std::time(NULL));
namespace {
static std::time_t base = -1;
static int base_year = -1;
static std::time_t base = -1;
static int base_year = -1;
static const int month_days[12] = {
31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
@ -132,17 +132,17 @@ namespace {
if (! parse_date_mask(word.c_str(), &when))
throw new datetime_error(std::string("Could not parse date mask: ") + word);
when.tm_hour = 0;
when.tm_min = 0;
when.tm_sec = 0;
when.tm_isdst = -1;
when.tm_hour = 0;
when.tm_min = 0;
when.tm_sec = 0;
when.tm_isdst = -1;
bool saw_year = true;
bool saw_mon = true;
bool saw_day = true;
if (when.tm_year == -1) {
when.tm_year = date_t::current_year;
when.tm_year = date_t::current_year - 1900;
saw_year = false;
}
if (when.tm_mon == -1) {
@ -155,18 +155,22 @@ namespace {
when.tm_mday = 1;
saw_day = false;
} else {
saw_mon = false; // don't increment by month if day used
saw_mon = false; // don't increment by month if day used
saw_year = false; // don't increment by year if day used
}
if (begin) {
*begin = std::mktime(&when);
if (end)
*end = interval_t(saw_day ? 86400 : 0, saw_mon ? 1 : 0,
assert(int(*begin) != -1);
if (end) {
*end = interval_t(saw_day ? 1 : 0, saw_mon ? 1 : 0,
saw_year ? 1 : 0).increment(*begin);
assert(int(*end) != -1);
}
}
else if (end) {
*end = std::mktime(&when);
assert(int(*end) != -1);
}
}
@ -321,12 +325,12 @@ namespace {
bool parse_date_mask(const char * date_str, struct std::tm * result)
{
if (! date_t::input_format.empty()) {
std::memset(result, INT_MAX, sizeof(struct std::tm));
std::memset(result, -1, sizeof(struct std::tm));
if (strptime(date_str, date_t::input_format.c_str(), result))
return true;
}
for (const char ** f = date_t::formats; *f; f++) {
std::memset(result, INT_MAX, sizeof(struct std::tm));
std::memset(result, -1, sizeof(struct std::tm));
if (strptime(date_str, *f, result))
return true;
}

12
datetime.h
View file

@ -256,12 +256,12 @@ inline std::ostream& operator<<(std::ostream& out,
struct interval_t
{
unsigned short years;
unsigned short months;
unsigned short days;
unsigned short hours;
unsigned short minutes;
unsigned short seconds;
int years;
int months;
int days;
int hours;
int minutes;
int seconds;
datetime_t begin;
datetime_t end;