--- /dev/null
+/*
+*******************************************************************************
+*
+* Copyright (C) 2007, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+*******************************************************************************
+* file name: icuzdump.cpp
+* encoding: US-ASCII
+* tab size: 8 (not used)
+* indentation:4
+*
+* created on: 2007-04-02
+* created by: Yoshito Umaoka
+*
+* This tool write out timezone transitions for ICU timezone. This tool
+* is used as a part of tzdata update process to check if ICU timezone
+* code works as well as the corresponding Olson stock localtime/zdump.
+*/
+
+#include <cstdlib>
+#include <cstring>
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+#include "unicode/utypes.h"
+#include "unicode/ustring.h"
+#include "unicode/timezone.h"
+#include "unicode/simpletz.h"
+#include "unicode/smpdtfmt.h"
+#include "unicode/decimfmt.h"
+#include "unicode/gregocal.h"
+#include "unicode/ustream.h"
+#include "unicode/putil.h"
+
+#include "uoptions.h"
+
+using namespace std;
+
+class DumpFormatter {
+public:
+ DumpFormatter() {
+ UErrorCode status = U_ZERO_ERROR;
+ stz = new SimpleTimeZone(0, "");
+ sdf = new SimpleDateFormat((UnicodeString)"yyyy-MM-dd EEE HH:mm:ss", Locale::getEnglish(), status);
+ DecimalFormatSymbols *symbols = new DecimalFormatSymbols(Locale::getEnglish(), status);
+ decf = new DecimalFormat("00", symbols, status);
+ }
+ ~DumpFormatter() {
+ }
+
+ UnicodeString& format(UDate time, int32_t offset, UBool isDst, UnicodeString& appendTo) {
+ stz->setRawOffset(offset);
+ sdf->setTimeZone(*stz);
+ UnicodeString str = sdf->format(time, appendTo);
+ if (offset < 0) {
+ appendTo += "-";
+ offset = -offset;
+ } else {
+ appendTo += "+";
+ }
+
+ int32_t hour, min, sec;
+
+ offset /= 1000;
+ sec = offset % 60;
+ offset = (offset - sec) / 60;
+ min = offset % 60;
+ hour = offset / 60;
+
+ decf->format(hour, appendTo);
+ decf->format(min, appendTo);
+ decf->format(sec, appendTo);
+ appendTo += "[DST=";
+ if (isDst) {
+ appendTo += "1";
+ } else {
+ appendTo += "0";
+ }
+ appendTo += "]";
+ return appendTo;
+ }
+private:
+ SimpleTimeZone* stz;
+ SimpleDateFormat* sdf;
+ DecimalFormat* decf;
+};
+
+class ICUZDump {
+public:
+ ICUZDump() {
+ formatter = new DumpFormatter();
+ loyear = 1902;
+ hiyear = 2050;
+ tick = 1000;
+ linesep = NULL;
+ }
+
+ ~ICUZDump() {
+ }
+
+ void setLowYear(int32_t lo) {
+ loyear = lo;
+ }
+
+ void setHighYear(int32_t hi) {
+ hiyear = hi;
+ }
+
+ void setTick(int32_t t) {
+ tick = t;
+ }
+
+ void setTimeZone(TimeZone* tz) {
+ timezone = tz;
+ }
+
+ void setDumpFormatter(DumpFormatter* fmt) {
+ formatter = fmt;
+ }
+
+ void setLineSeparator(const char* sep) {
+ linesep = sep;
+ }
+
+ void dump(ostream& out) {
+ UErrorCode status = U_ZERO_ERROR;
+ UDate SEARCH_INCREMENT = 12 * 60 * 60 * 1000; // half day
+ UDate t, cutlo, cuthi;
+ int32_t rawOffset, dstOffset;
+ UnicodeString str;
+
+ getCutOverTimes(cutlo, cuthi);
+ t = cutlo;
+ timezone->getOffset(t, FALSE, rawOffset, dstOffset, status);
+ while (t < cuthi) {
+ int32_t newRawOffset, newDstOffset;
+ UDate newt = t + SEARCH_INCREMENT;
+
+ timezone->getOffset(newt, FALSE, newRawOffset, newDstOffset, status);
+
+ UBool bSameOffset = (rawOffset + dstOffset) == (newRawOffset + newDstOffset);
+ UBool bSameDst = ((dstOffset != 0) && (newDstOffset != 0)) || ((dstOffset == 0) && (newDstOffset == 0));
+
+ if (!bSameOffset || !bSameDst) {
+ // find the boundary
+ UDate lot = t;
+ UDate hit = newt;
+ while (true) {
+ int32_t diff = (int32_t)(hit - lot);
+ if (diff <= tick) {
+ break;
+ }
+ UDate medt = lot + ((diff / 2) / tick) * tick;
+ int32_t medRawOffset, medDstOffset;
+ timezone->getOffset(medt, FALSE, medRawOffset, medDstOffset, status);
+
+ bSameOffset = (rawOffset + dstOffset) == (medRawOffset + medDstOffset);
+ bSameDst = ((dstOffset != 0) && (medDstOffset != 0)) || ((dstOffset == 0) && (medDstOffset == 0));
+
+ if (!bSameOffset || !bSameDst) {
+ hit = medt;
+ } else {
+ lot = medt;
+ }
+ }
+ // write out the boundary
+ str.remove();
+ formatter->format(lot, rawOffset + dstOffset, (dstOffset == 0 ? FALSE : TRUE), str);
+ out << str << " > ";
+ str.remove();
+ formatter->format(hit, newRawOffset + newDstOffset, (newDstOffset == 0 ? FALSE : TRUE), str);
+ out << str;
+ if (linesep != NULL) {
+ out << linesep;
+ } else {
+ out << endl;
+ }
+
+ rawOffset = newRawOffset;
+ dstOffset = newDstOffset;
+ }
+ t = newt;
+ }
+ }
+
+private:
+ void getCutOverTimes(UDate& lo, UDate& hi) {
+ UErrorCode status = U_ZERO_ERROR;
+ GregorianCalendar* gcal = new GregorianCalendar(timezone, Locale::getEnglish(), status);
+ gcal->clear();
+ gcal->set(loyear, 0, 1, 0, 0, 0);
+ lo = gcal->getTime(status);
+ gcal->set(hiyear, 0, 1, 0, 0, 0);
+ hi = gcal->getTime(status);
+ }
+
+ void dumpZone(ostream& out, const char* linesep, UnicodeString tzid, int32_t low, int32_t high) {
+ }
+
+ TimeZone* timezone;
+ int32_t loyear;
+ int32_t hiyear;
+ int32_t tick;
+
+ DumpFormatter* formatter;
+ const char* linesep;
+};
+
+class ZoneIterator {
+public:
+ ZoneIterator(UBool bAll = FALSE) {
+ if (bAll) {
+ zenum = TimeZone::createEnumeration();
+ }
+ else {
+ zenum = NULL;
+ zids = NULL;
+ idx = 0;
+ numids = 1;
+ }
+ }
+
+ ZoneIterator(const char** ids, int32_t num) {
+ zenum = NULL;
+ zids = ids;
+ idx = 0;
+ numids = num;
+ }
+
+ ~ZoneIterator() {
+ if (zenum != NULL) {
+ delete zenum;
+ }
+ }
+
+ TimeZone* next() {
+ TimeZone* tz = NULL;
+ if (zenum != NULL) {
+ UErrorCode status = U_ZERO_ERROR;
+ const UnicodeString* zid = zenum->snext(status);
+ if (zid != NULL) {
+ tz = TimeZone::createTimeZone(*zid);
+ }
+ }
+ else {
+ if (idx < numids) {
+ if (zids != NULL) {
+ tz = TimeZone::createTimeZone((const UnicodeString&)zids[idx]);
+ }
+ else {
+ tz = TimeZone::createDefault();
+ }
+ idx++;
+ }
+ }
+ return tz;
+ }
+
+private:
+ const char** zids;
+ StringEnumeration* zenum;
+ int32_t idx;
+ int32_t numids;
+};
+
+enum {
+ kOptHelpH = 0,
+ kOptHelpQuestionMark,
+ kOptAllZones,
+ kOptCutover,
+ kOptDestDir,
+ kOptLineSep
+};
+
+static UOption options[]={
+ UOPTION_HELP_H,
+ UOPTION_HELP_QUESTION_MARK,
+ UOPTION_DEF("allzones", 'a', UOPT_NO_ARG),
+ UOPTION_DEF("cutover", 'c', UOPT_REQUIRES_ARG),
+ UOPTION_DEF("destdir", 'd', UOPT_REQUIRES_ARG),
+ UOPTION_DEF("linesep", 'l', UOPT_REQUIRES_ARG)
+};
+
+extern int
+main(int argc, char *argv[]) {
+ int32_t low = 1902;
+ int32_t high = 2038;
+ UBool bAll = FALSE;
+ const char *dir = NULL;
+ const char *linesep = NULL;
+
+ U_MAIN_INIT_ARGS(argc, argv);
+ argc = u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
+
+ if (argc < 0) {
+ cerr << "Illegal command line argument(s)" << endl << endl;
+ }
+
+ if (argc < 0 || options[kOptHelpH].doesOccur || options[kOptHelpQuestionMark].doesOccur) {
+ cerr
+ << "Usage: icuzdump [-options] [zoneid1 zoneid2 ...]" << endl
+ << endl
+ << "\tDump all offset transitions for the specified zones." << endl
+ << endl
+ << "Options:" << endl
+ << "\t-a : Dump all available zones." << endl
+ << "\t-d <dir> : When specified, write transitions in a file under" << endl
+ << "\t the directory for each zone." << endl
+ << "\t-l <sep> : New line code type used in file outputs. CR or LF (default)"
+ << "\t or CRLF." << endl
+ << "\t-c [<low_year>,]<high_year>" << endl
+ << "\t : When specified, dump transitions starting <low_year>" << endl
+ << "\t (inclusive) up to <high_year> (exclusive). The default" << endl
+ << "\t values are 1902(low) and 2038(high)." << endl;
+ return argc < 0 ? U_ILLEGAL_ARGUMENT_ERROR : U_ZERO_ERROR;
+ }
+
+ bAll = options[kOptAllZones].doesOccur;
+
+ if (options[kOptDestDir].doesOccur) {
+ dir = options[kOptDestDir].value;
+ }
+
+ if (options[kOptLineSep].doesOccur) {
+ if (strcmp(options[kOptLineSep].value, "CR") == 0) {
+ linesep = "\r";
+ } else if (strcmp(options[kOptLineSep].value, "CRLF") == 0) {
+ linesep = "\r\n";
+ } else if (strcmp(options[kOptLineSep].value, "LF") == 0) {
+ linesep = "\n";
+ }
+ }
+
+ if (options[kOptCutover].doesOccur) {
+ char* comma = (char*)strchr(options[kOptCutover].value, ',');
+ if (comma == NULL) {
+ high = atoi(options[kOptCutover].value);
+ } else {
+ *comma = 0;
+ low = atoi(options[kOptCutover].value);
+ high = atoi(comma + 1);
+ }
+ }
+
+ ICUZDump dumper;
+ dumper.setLowYear(low);
+ dumper.setHighYear(high);
+ if (dir != NULL && linesep != NULL) {
+ // use the specified line separator only for file output
+ dumper.setLineSeparator((const char*)linesep);
+ }
+
+ ZoneIterator* zit;
+ if (bAll) {
+ zit = new ZoneIterator(TRUE);
+ } else {
+ if (argc <= 1) {
+ zit = new ZoneIterator();
+ } else {
+ zit = new ZoneIterator((const char**)&argv[1], argc - 1);
+ }
+ }
+
+ UnicodeString id;
+ if (dir != NULL) {
+ // file output
+ ostringstream path;
+ ios::openmode mode = ios::out;
+ if (linesep != NULL) {
+ mode |= ios::binary;
+ }
+ for (;;) {
+ TimeZone* tz = zit->next();
+ if (tz == NULL) {
+ break;
+ }
+ dumper.setTimeZone(tz);
+ tz->getID(id);
+
+ // target file path
+ path.str("");
+ path << dir << U_FILE_SEP_CHAR;
+ id = id.findAndReplace("/", "-");
+ path << id;
+
+ ofstream* fout = new ofstream(path.str().c_str(), mode);
+ if (fout->fail()) {
+ cerr << "Cannot open file " << path << endl;
+ delete fout;
+ delete tz;
+ break;
+ }
+
+ dumper.dump(*fout);
+ fout->close();
+ delete fout;
+ delete tz;
+ }
+
+ } else {
+ // stdout
+ UBool bFirst = TRUE;
+ for (;;) {
+ TimeZone* tz = zit->next();
+ if (tz == NULL) {
+ break;
+ }
+ dumper.setTimeZone(tz);
+ tz->getID(id);
+ if (bFirst) {
+ bFirst = FALSE;
+ } else {
+ cout << endl;
+ }
+ cout << "ZONE: " << id << endl;
+ dumper.dump(cout);
+ delete tz;
+ }
+ }
+ delete zit;
+}
projects / apple / icu.git / blobdiff