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-rw-r--r--datetime.cc389
1 files changed, 0 insertions, 389 deletions
diff --git a/datetime.cc b/datetime.cc
deleted file mode 100644
index 70b36279..00000000
--- a/datetime.cc
+++ /dev/null
@@ -1,389 +0,0 @@
-#include "datetime.h"
-#include "error.h"
-
-#include <ctime>
-
-namespace ledger {
-
-std::time_t now = std::time(NULL);
-int now_year = std::localtime(&now)->tm_year;
-
-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
-};
-
-static const char * formats[] = {
- "%Y/%m/%d",
- "%m/%d",
- "%Y.%m.%d",
- "%m.%d",
- "%Y-%m-%d",
- "%m-%d",
- "%a",
- "%A",
- "%b",
- "%B",
- "%Y",
- NULL
-};
-
-std::time_t interval_t::first(const std::time_t moment)
-{
- std::time_t quant = begin;
-
- if (moment && std::difftime(moment, quant) > 0) {
- if (! seconds) {
- struct std::tm * desc = std::localtime(&moment);
- if (years)
- desc->tm_mon = 0;
- desc->tm_mday = 1;
- desc->tm_hour = 0;
- desc->tm_min = 0;
- desc->tm_sec = 0;
- quant = std::mktime(desc);
- }
-
- std::time_t temp;
-#if DEBUG_LEVEL >= RELEASE
- int cutoff = 10000;
-#endif
- while (std::difftime(moment, temp = increment(quant)) > 0) {
- if (quant == temp)
- break;
- quant = temp;
-#if DEBUG_LEVEL >= RELEASE
- assert(--cutoff > 0);
-#endif
- }
- }
-
- return quant;
-}
-
-std::time_t interval_t::increment(const std::time_t moment)
-{
- std::time_t then = moment;
-
- if (years || months) {
- struct std::tm * desc = std::localtime(&then);
-
- if (years)
- desc->tm_year += years;
-
- if (months) {
- desc->tm_mon += months;
-
- if (desc->tm_mon > 11) {
- desc->tm_year++;
- desc->tm_mon -= 12;
- }
- else if (desc->tm_mon < 0) {
- desc->tm_year--;
- desc->tm_mon += 12;
- }
- }
-
- then = std::mktime(desc);
- }
-
- return then + seconds;
-}
-
-static void parse_inclusion_specifier(const std::string& word,
- std::time_t * begin,
- std::time_t * end)
-{
- struct std::tm when;
-
- if (! parse_date_mask(word.c_str(), &when))
- throw interval_expr_error(std::string("Could not parse date mask: ") +
- word);
-
- when.tm_hour = 0;
- when.tm_min = 0;
- when.tm_sec = 0;
-
- bool saw_year = true;
- bool saw_mon = true;
-
- if (when.tm_year == -1) {
- when.tm_year = now_year;
- saw_year = false;
- }
- if (when.tm_mon == -1) {
- when.tm_mon = 0;
- saw_mon = false;
- }
- if (when.tm_mday == -1)
- when.tm_mday = 1;
-
- if (begin)
- *begin = std::mktime(&when);
- if (end)
- *end = interval_t(0, saw_mon ? 1 : 0,
- saw_year ? 1 : 0).increment(*begin);
-}
-
-void interval_t::parse(std::istream& in)
-{
- std::string word;
-
- while (! in.eof()) {
- in >> word;
- if (word == "every") {
- in >> word;
- if (std::isdigit(word[0])) {
- int quantity = std::atol(word.c_str());
- in >> word;
- if (word == "days")
- seconds = 86400 * quantity;
- else if (word == "weeks")
- seconds = 7 * 86400 * quantity;
- else if (word == "months")
- months = quantity;
- else if (word == "quarters")
- months = 3 * quantity;
- else if (word == "years")
- years = quantity;
- }
- else if (word == "day")
- seconds = 86400;
- else if (word == "week")
- seconds = 7 * 86400;
- else if (word == "monthly")
- months = 1;
- else if (word == "quarter")
- months = 3;
- else if (word == "year")
- years = 1;
- }
- else if (word == "daily")
- seconds = 86400;
- else if (word == "weekly")
- seconds = 7 * 86400;
- else if (word == "biweekly")
- seconds = 14 * 86400;
- else if (word == "monthly")
- months = 1;
- else if (word == "bimonthly")
- months = 2;
- else if (word == "quarterly")
- months = 3;
- else if (word == "yearly")
- years = 1;
- else if (word == "this" || word == "last" || word == "next") {
- std::string type = word;
- bool mon_spec = false;
- char buf[32];
-
- if (! in.eof())
- in >> word;
- else
- word = "month";
-
- if (word == "month") {
- std::strftime(buf, 31, "%B", std::localtime(&now));
- word = buf;
- mon_spec = true;
- }
- else if (word == "year") {
- std::strftime(buf, 31, "%Y", std::localtime(&now));
- word = buf;
- }
-
- parse_inclusion_specifier(word, &begin, &end);
-
- if (type == "last") {
- if (mon_spec) {
- begin = interval_t(0, -1, 0).increment(begin);
- end = interval_t(0, -1, 0).increment(end);
- } else {
- begin = interval_t(0, 0, -1).increment(begin);
- end = interval_t(0, 0, -1).increment(end);
- }
- }
- else if (type == "next") {
- if (mon_spec) {
- begin = interval_t(0, 1, 0).increment(begin);
- end = interval_t(0, 1, 0).increment(end);
- } else {
- begin = interval_t(0, 0, 1).increment(begin);
- end = interval_t(0, 0, 1).increment(end);
- }
- }
- }
- else if (word == "in") {
- in >> word;
- parse_inclusion_specifier(word, &begin, &end);
- }
- else if (word == "from") {
- in >> word;
- if (! parse_date(word.c_str(), &begin))
- throw interval_expr_error("Could not parse 'from' date");
- if (! in.eof())
- in >> word;
- }
- else if (word == "to") {
- in >> word;
- if (! parse_date(word.c_str(), &end))
- throw interval_expr_error("Could not parse 'to' date");
- }
- else {
- parse_inclusion_specifier(word, &begin, &end);
- }
- }
-}
-
-bool parse_date_mask(const char * date_str, struct std::tm * result)
-{
- for (const char ** f = formats; *f; f++) {
- memset(result, INT_MAX, sizeof(struct std::tm));
- if (strptime(date_str, *f, result))
- return true;
- }
- return false;
-}
-
-bool parse_date(const char * date_str, std::time_t * result, const int year)
-{
- struct std::tm when;
-
- if (! parse_date_mask(date_str, &when))
- return false;
-
- when.tm_hour = 0;
- when.tm_min = 0;
- when.tm_sec = 0;
-
- if (when.tm_year == -1)
- when.tm_year = ((year == -1) ? now_year : (year - 1900));
-
- if (when.tm_mon == -1)
- when.tm_mon = 0;
-
- if (when.tm_mday == -1)
- when.tm_mday = 1;
-
- *result = std::mktime(&when);
-
- return true;
-}
-
-bool quick_parse_date(char * date_str, std::time_t * result)
-{
- int year = -1, month = -1, day, num = 0;
-
- for (char * p = date_str; *p; p++) {
- if (*p == '/' || *p == '-' || *p == '.') {
- if (year == -1)
- year = num;
- else
- month = num;
- num = 0;
- }
- else if (*p < '0' || *p > '9') {
- return false;
- }
- else {
- num *= 10;
- num += *p - '0';
- }
- }
-
- day = num;
-
- if (month == -1) {
- month = year;
- year = -1;
- }
-
- if (base == -1 || year != base_year) {
- struct std::tm when;
- std::memset(&when, 0, sizeof(when));
-
- base_year = year == -1 ? now_year + 1900 : year;
- when.tm_year = year == -1 ? now_year : year - 1900;
- when.tm_mday = 1;
-
- base = std::mktime(&when);
- }
-
- *result = base;
-
- --month;
- while (--month >= 0) {
- *result += month_days[month] * 24 * 60 * 60;
- if (month == 1 && year % 4 == 0 && year != 2000) // february in leap years
- *result += 24 * 60 * 60;
- }
-
- if (--day)
- *result += day * 24 * 60 * 60;
-
- return true;
-}
-
-} // namespace ledger
-
-#ifdef USE_BOOST_PYTHON
-
-#include <boost/python.hpp>
-
-using namespace boost::python;
-using namespace ledger;
-
-unsigned int interval_len(interval_t& interval)
-{
- int periods = 1;
- std::time_t when = interval.first();
- while (interval.end && when < interval.end) {
- when = interval.increment(when);
- if (when < interval.end)
- periods++;
- }
- return periods;
-}
-
-std::time_t interval_getitem(interval_t& interval, int i)
-{
- static std::time_t last_index = 0;
- static std::time_t last_moment = 0;
-
- if (i == 0) {
- last_index = 0;
- last_moment = interval.first();
- }
- else {
- last_moment = interval.increment(last_moment);
- if (interval.end && last_moment >= interval.end) {
- PyErr_SetString(PyExc_IndexError, "Index out of range");
- throw_error_already_set();
- }
- }
- return last_moment;
-}
-
-void export_datetime()
-{
- class_< interval_t >
- ("Interval", init<optional<int, int, int, std::time_t, std::time_t> >())
- .def(init<std::string>())
- .def(! self)
-
- .def_readwrite("years", &interval_t::years)
- .def_readwrite("months", &interval_t::months)
- .def_readwrite("seconds", &interval_t::seconds)
- .def_readwrite("begin", &interval_t::begin)
- .def_readwrite("end", &interval_t::end)
-
- .def("__len__", interval_len)
- .def("__getitem__", interval_getitem)
-
- .def("increment", &interval_t::increment)
- ;
-}
-
-#endif // USE_BOOST_PYTHON
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