2911 lines
96 KiB
C++
2911 lines
96 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 2011-2015, International Business Machines Corporation and
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* others. All Rights Reserved.
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*******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/calendar.h"
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#include "unicode/tzfmt.h"
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#include "unicode/numsys.h"
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#include "unicode/strenum.h"
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#include "unicode/uchar.h"
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#include "unicode/udat.h"
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#include "unicode/ustring.h"
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#include "unicode/utf16.h"
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#include "bytesinkutil.h"
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#include "charstr.h"
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#include "tzgnames.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "putilimp.h"
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#include "uassert.h"
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#include "ucln_in.h"
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#include "ulocimp.h"
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#include "umutex.h"
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#include "uresimp.h"
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#include "ureslocs.h"
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#include "uvector.h"
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#include "zonemeta.h"
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#include "tznames_impl.h" // TextTrieMap
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#include "patternprops.h"
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U_NAMESPACE_BEGIN
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// Bit flags used by the parse method.
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// The order must match UTimeZoneFormatStyle enum.
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#define ISO_Z_STYLE_FLAG 0x0080
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#define ISO_LOCAL_STYLE_FLAG 0x0100
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static const int16_t STYLE_PARSE_FLAGS[] = {
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0x0001, // UTZFMT_STYLE_GENERIC_LOCATION,
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0x0002, // UTZFMT_STYLE_GENERIC_LONG,
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0x0004, // UTZFMT_STYLE_GENERIC_SHORT,
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0x0008, // UTZFMT_STYLE_SPECIFIC_LONG,
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0x0010, // UTZFMT_STYLE_SPECIFIC_SHORT,
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0x0020, // UTZFMT_STYLE_LOCALIZED_GMT,
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0x0040, // UTZFMT_STYLE_LOCALIZED_GMT_SHORT,
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ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_SHORT,
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ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT,
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ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_FIXED,
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ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED,
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ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_FULL,
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ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL,
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ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_FIXED,
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ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED,
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ISO_Z_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_FULL,
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ISO_LOCAL_STYLE_FLAG, // UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL,
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0x0200, // UTZFMT_STYLE_ZONE_ID,
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0x0400, // UTZFMT_STYLE_ZONE_ID_SHORT,
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0x0800 // UTZFMT_STYLE_EXEMPLAR_LOCATION
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};
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static const char gZoneStringsTag[] = "zoneStrings";
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static const char gGmtFormatTag[]= "gmtFormat";
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static const char gGmtZeroFormatTag[] = "gmtZeroFormat";
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static const char gHourFormatTag[]= "hourFormat";
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static const UChar TZID_GMT[] = {0x0045, 0x0074, 0x0063, 0x002F, 0x0047, 0x004D, 0x0054, 0}; // Etc/GMT
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static const UChar UNKNOWN_ZONE_ID[] = {
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0x0045, 0x0074, 0x0063, 0x002F, 0x0055, 0x006E, 0x006B, 0x006E, 0x006F, 0x0077, 0x006E, 0}; // Etc/Unknown
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static const UChar UNKNOWN_SHORT_ZONE_ID[] = {0x0075, 0x006E, 0x006B, 0}; // unk
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static const UChar UNKNOWN_LOCATION[] = {0x0055, 0x006E, 0x006B, 0x006E, 0x006F, 0x0077, 0x006E, 0}; // Unknown
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static const UChar DEFAULT_GMT_PATTERN[] = {0x0047, 0x004D, 0x0054, 0x007B, 0x0030, 0x007D, 0}; // GMT{0}
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//static const UChar DEFAULT_GMT_ZERO[] = {0x0047, 0x004D, 0x0054, 0}; // GMT
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static const UChar DEFAULT_GMT_POSITIVE_HM[] = {0x002B, 0x0048, 0x003A, 0x006D, 0x006D, 0}; // +H:mm
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static const UChar DEFAULT_GMT_POSITIVE_HMS[] = {0x002B, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0}; // +H:mm:ss
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static const UChar DEFAULT_GMT_NEGATIVE_HM[] = {0x002D, 0x0048, 0x003A, 0x006D, 0x006D, 0}; // -H:mm
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static const UChar DEFAULT_GMT_NEGATIVE_HMS[] = {0x002D, 0x0048, 0x003A, 0x006D, 0x006D, 0x003A, 0x0073, 0x0073, 0}; // -H:mm:ss
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static const UChar DEFAULT_GMT_POSITIVE_H[] = {0x002B, 0x0048, 0}; // +H
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static const UChar DEFAULT_GMT_NEGATIVE_H[] = {0x002D, 0x0048, 0}; // -H
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static const UChar32 DEFAULT_GMT_DIGITS[] = {
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0x0030, 0x0031, 0x0032, 0x0033, 0x0034,
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0x0035, 0x0036, 0x0037, 0x0038, 0x0039
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};
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static const UChar DEFAULT_GMT_OFFSET_SEP = 0x003A; // ':'
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static const UChar ARG0[] = {0x007B, 0x0030, 0x007D}; // "{0}"
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static const int32_t ARG0_LEN = 3;
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static const UChar DEFAULT_GMT_OFFSET_MINUTE_PATTERN[] = {0x006D, 0x006D, 0}; // "mm"
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static const UChar DEFAULT_GMT_OFFSET_SECOND_PATTERN[] = {0x0073, 0x0073, 0}; // "ss"
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static const UChar ALT_GMT_STRINGS[][4] = {
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{0x0047, 0x004D, 0x0054, 0}, // GMT
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{0x0055, 0x0054, 0x0043, 0}, // UTC
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{0x0055, 0x0054, 0, 0}, // UT
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{0, 0, 0, 0}
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};
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// Order of GMT offset pattern parsing, *_HMS must be evaluated first
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// because *_HM is most likely a substring of *_HMS
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static const int32_t PARSE_GMT_OFFSET_TYPES[] = {
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UTZFMT_PAT_POSITIVE_HMS,
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UTZFMT_PAT_NEGATIVE_HMS,
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UTZFMT_PAT_POSITIVE_HM,
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UTZFMT_PAT_NEGATIVE_HM,
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UTZFMT_PAT_POSITIVE_H,
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UTZFMT_PAT_NEGATIVE_H,
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-1
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};
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static const UChar SINGLEQUOTE = 0x0027;
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static const UChar PLUS = 0x002B;
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static const UChar MINUS = 0x002D;
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static const UChar ISO8601_UTC = 0x005A; // 'Z'
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static const UChar ISO8601_SEP = 0x003A; // ':'
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static const int32_t MILLIS_PER_HOUR = 60 * 60 * 1000;
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static const int32_t MILLIS_PER_MINUTE = 60 * 1000;
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static const int32_t MILLIS_PER_SECOND = 1000;
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// Maximum offset (exclusive) in millisecond supported by offset formats
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static int32_t MAX_OFFSET = 24 * MILLIS_PER_HOUR;
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// Maximum values for GMT offset fields
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static const int32_t MAX_OFFSET_HOUR = 23;
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static const int32_t MAX_OFFSET_MINUTE = 59;
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static const int32_t MAX_OFFSET_SECOND = 59;
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static const int32_t UNKNOWN_OFFSET = 0x7FFFFFFF;
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static const int32_t ALL_SIMPLE_NAME_TYPES = UTZNM_LONG_STANDARD | UTZNM_LONG_DAYLIGHT | UTZNM_SHORT_STANDARD | UTZNM_SHORT_DAYLIGHT | UTZNM_EXEMPLAR_LOCATION;
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static const int32_t ALL_GENERIC_NAME_TYPES = UTZGNM_LOCATION | UTZGNM_LONG | UTZGNM_SHORT;
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#define DIGIT_VAL(c) (0x0030 <= (c) && (c) <= 0x0039 ? (c) - 0x0030 : -1)
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#define MAX_OFFSET_DIGITS 6
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// Time Zone ID/Short ID trie
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static TextTrieMap *gZoneIdTrie = NULL;
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static icu::UInitOnce gZoneIdTrieInitOnce = U_INITONCE_INITIALIZER;
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static TextTrieMap *gShortZoneIdTrie = NULL;
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static icu::UInitOnce gShortZoneIdTrieInitOnce = U_INITONCE_INITIALIZER;
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static UMutex gLock;
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U_CDECL_BEGIN
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/**
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* Cleanup callback func
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*/
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static UBool U_CALLCONV tzfmt_cleanup(void)
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{
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if (gZoneIdTrie != NULL) {
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delete gZoneIdTrie;
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}
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gZoneIdTrie = NULL;
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gZoneIdTrieInitOnce.reset();
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if (gShortZoneIdTrie != NULL) {
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delete gShortZoneIdTrie;
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}
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gShortZoneIdTrie = NULL;
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gShortZoneIdTrieInitOnce.reset();
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return TRUE;
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}
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U_CDECL_END
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// ------------------------------------------------------------------
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// GMTOffsetField
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//
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// This class represents a localized GMT offset pattern
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// item and used by TimeZoneFormat
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// ------------------------------------------------------------------
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class GMTOffsetField : public UMemory {
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public:
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enum FieldType {
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TEXT = 0,
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HOUR = 1,
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MINUTE = 2,
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SECOND = 4
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};
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virtual ~GMTOffsetField();
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static GMTOffsetField* createText(const UnicodeString& text, UErrorCode& status);
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static GMTOffsetField* createTimeField(FieldType type, uint8_t width, UErrorCode& status);
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static UBool isValid(FieldType type, int32_t width);
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static FieldType getTypeByLetter(UChar ch);
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FieldType getType() const;
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uint8_t getWidth() const;
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const UChar* getPatternText(void) const;
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private:
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UChar* fText;
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FieldType fType;
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uint8_t fWidth;
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GMTOffsetField();
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};
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GMTOffsetField::GMTOffsetField()
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: fText(NULL), fType(TEXT), fWidth(0) {
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}
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GMTOffsetField::~GMTOffsetField() {
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if (fText) {
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uprv_free(fText);
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}
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}
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GMTOffsetField*
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GMTOffsetField::createText(const UnicodeString& text, UErrorCode& status) {
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if (U_FAILURE(status)) {
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return NULL;
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}
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GMTOffsetField* result = new GMTOffsetField();
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if (result == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return NULL;
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}
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int32_t len = text.length();
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result->fText = (UChar*)uprv_malloc((len + 1) * sizeof(UChar));
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if (result->fText == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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delete result;
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return NULL;
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}
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u_strncpy(result->fText, text.getBuffer(), len);
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result->fText[len] = 0;
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result->fType = TEXT;
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return result;
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}
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GMTOffsetField*
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GMTOffsetField::createTimeField(FieldType type, uint8_t width, UErrorCode& status) {
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U_ASSERT(type != TEXT);
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if (U_FAILURE(status)) {
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return NULL;
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}
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GMTOffsetField* result = new GMTOffsetField();
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if (result == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return NULL;
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}
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result->fType = type;
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result->fWidth = width;
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return result;
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}
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UBool
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GMTOffsetField::isValid(FieldType type, int32_t width) {
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switch (type) {
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case HOUR:
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return (width == 1 || width == 2);
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case MINUTE:
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case SECOND:
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return (width == 2);
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default:
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UPRV_UNREACHABLE_EXIT;
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}
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return (width > 0);
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}
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GMTOffsetField::FieldType
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GMTOffsetField::getTypeByLetter(UChar ch) {
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if (ch == 0x0048 /* H */) {
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return HOUR;
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} else if (ch == 0x006D /* m */) {
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return MINUTE;
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} else if (ch == 0x0073 /* s */) {
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return SECOND;
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}
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return TEXT;
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}
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inline GMTOffsetField::FieldType
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GMTOffsetField::getType() const {
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return fType;
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}
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inline uint8_t
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GMTOffsetField::getWidth() const {
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return fWidth;
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}
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inline const UChar*
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GMTOffsetField::getPatternText(void) const {
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return fText;
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}
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U_CDECL_BEGIN
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static void U_CALLCONV
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deleteGMTOffsetField(void *obj) {
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delete static_cast<GMTOffsetField *>(obj);
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}
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U_CDECL_END
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// ------------------------------------------------------------------
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// TimeZoneFormat
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// ------------------------------------------------------------------
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TimeZoneFormat)
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TimeZoneFormat::TimeZoneFormat(const Locale& locale, UErrorCode& status)
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: fLocale(locale), fTimeZoneNames(NULL), fTimeZoneGenericNames(NULL),
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fDefParseOptionFlags(0), fTZDBTimeZoneNames(NULL) {
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for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
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fGMTOffsetPatternItems[i] = NULL;
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}
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const char* region = fLocale.getCountry();
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int32_t regionLen = static_cast<int32_t>(uprv_strlen(region));
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if (regionLen == 0) {
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CharString loc;
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{
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CharStringByteSink sink(&loc);
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ulocimp_addLikelySubtags(fLocale.getName(), sink, &status);
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}
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regionLen = uloc_getCountry(loc.data(), fTargetRegion, sizeof(fTargetRegion), &status);
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if (U_SUCCESS(status)) {
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fTargetRegion[regionLen] = 0;
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} else {
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return;
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}
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} else if (regionLen < (int32_t)sizeof(fTargetRegion)) {
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uprv_strcpy(fTargetRegion, region);
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} else {
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fTargetRegion[0] = 0;
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}
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fTimeZoneNames = TimeZoneNames::createInstance(locale, status);
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// fTimeZoneGenericNames is lazily instantiated
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if (U_FAILURE(status)) {
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return;
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}
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const UChar* gmtPattern = NULL;
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const UChar* hourFormats = NULL;
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UResourceBundle *zoneBundle = ures_open(U_ICUDATA_ZONE, locale.getName(), &status);
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UResourceBundle *zoneStringsArray = ures_getByKeyWithFallback(zoneBundle, gZoneStringsTag, NULL, &status);
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if (U_SUCCESS(status)) {
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const UChar* resStr;
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int32_t len;
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resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gGmtFormatTag, &len, &status);
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if (len > 0) {
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gmtPattern = resStr;
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}
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resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gGmtZeroFormatTag, &len, &status);
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if (len > 0) {
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fGMTZeroFormat.setTo(TRUE, resStr, len);
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}
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resStr = ures_getStringByKeyWithFallback(zoneStringsArray, gHourFormatTag, &len, &status);
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if (len > 0) {
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hourFormats = resStr;
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}
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ures_close(zoneStringsArray);
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ures_close(zoneBundle);
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}
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if (gmtPattern == NULL) {
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gmtPattern = DEFAULT_GMT_PATTERN;
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}
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initGMTPattern(UnicodeString(TRUE, gmtPattern, -1), status);
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UBool useDefaultOffsetPatterns = TRUE;
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if (hourFormats) {
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UChar *sep = u_strchr(hourFormats, (UChar)0x003B /* ';' */);
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if (sep != NULL) {
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UErrorCode tmpStatus = U_ZERO_ERROR;
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fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM].setTo(FALSE, hourFormats, (int32_t)(sep - hourFormats));
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fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM].setTo(TRUE, sep + 1, -1);
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expandOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HMS], tmpStatus);
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expandOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HMS], tmpStatus);
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truncateOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_H], tmpStatus);
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truncateOffsetPattern(fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM], fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_H], tmpStatus);
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if (U_SUCCESS(tmpStatus)) {
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useDefaultOffsetPatterns = FALSE;
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}
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}
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}
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if (useDefaultOffsetPatterns) {
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fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_H].setTo(TRUE, DEFAULT_GMT_POSITIVE_H, -1);
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fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HM].setTo(TRUE, DEFAULT_GMT_POSITIVE_HM, -1);
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fGMTOffsetPatterns[UTZFMT_PAT_POSITIVE_HMS].setTo(TRUE, DEFAULT_GMT_POSITIVE_HMS, -1);
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fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_H].setTo(TRUE, DEFAULT_GMT_NEGATIVE_H, -1);
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fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HM].setTo(TRUE, DEFAULT_GMT_NEGATIVE_HM, -1);
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fGMTOffsetPatterns[UTZFMT_PAT_NEGATIVE_HMS].setTo(TRUE, DEFAULT_GMT_NEGATIVE_HMS, -1);
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}
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initGMTOffsetPatterns(status);
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NumberingSystem* ns = NumberingSystem::createInstance(locale, status);
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UBool useDefDigits = TRUE;
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if (ns && !ns->isAlgorithmic()) {
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UnicodeString digits = ns->getDescription();
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useDefDigits = !toCodePoints(digits, fGMTOffsetDigits, 10);
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}
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if (useDefDigits) {
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uprv_memcpy(fGMTOffsetDigits, DEFAULT_GMT_DIGITS, sizeof(UChar32) * 10);
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}
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delete ns;
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}
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TimeZoneFormat::TimeZoneFormat(const TimeZoneFormat& other)
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: Format(other), fTimeZoneNames(NULL), fTimeZoneGenericNames(NULL),
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fTZDBTimeZoneNames(NULL) {
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for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
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fGMTOffsetPatternItems[i] = NULL;
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}
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*this = other;
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}
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TimeZoneFormat::~TimeZoneFormat() {
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delete fTimeZoneNames;
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delete fTimeZoneGenericNames;
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delete fTZDBTimeZoneNames;
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for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
|
|
delete fGMTOffsetPatternItems[i];
|
|
}
|
|
}
|
|
|
|
TimeZoneFormat&
|
|
TimeZoneFormat::operator=(const TimeZoneFormat& other) {
|
|
if (this == &other) {
|
|
return *this;
|
|
}
|
|
|
|
delete fTimeZoneNames;
|
|
delete fTimeZoneGenericNames;
|
|
fTimeZoneGenericNames = NULL;
|
|
delete fTZDBTimeZoneNames;
|
|
fTZDBTimeZoneNames = NULL;
|
|
|
|
fLocale = other.fLocale;
|
|
uprv_memcpy(fTargetRegion, other.fTargetRegion, sizeof(fTargetRegion));
|
|
|
|
fTimeZoneNames = other.fTimeZoneNames->clone();
|
|
if (other.fTimeZoneGenericNames) {
|
|
// TODO: this test has dubious thread safety.
|
|
fTimeZoneGenericNames = other.fTimeZoneGenericNames->clone();
|
|
}
|
|
|
|
fGMTPattern = other.fGMTPattern;
|
|
fGMTPatternPrefix = other.fGMTPatternPrefix;
|
|
fGMTPatternSuffix = other.fGMTPatternSuffix;
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
for (int32_t i = 0; i < UTZFMT_PAT_COUNT; i++) {
|
|
fGMTOffsetPatterns[i] = other.fGMTOffsetPatterns[i];
|
|
delete fGMTOffsetPatternItems[i];
|
|
fGMTOffsetPatternItems[i] = NULL;
|
|
}
|
|
initGMTOffsetPatterns(status);
|
|
U_ASSERT(U_SUCCESS(status));
|
|
|
|
fGMTZeroFormat = other.fGMTZeroFormat;
|
|
|
|
uprv_memcpy(fGMTOffsetDigits, other.fGMTOffsetDigits, sizeof(fGMTOffsetDigits));
|
|
|
|
fDefParseOptionFlags = other.fDefParseOptionFlags;
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
bool
|
|
TimeZoneFormat::operator==(const Format& other) const {
|
|
TimeZoneFormat* tzfmt = (TimeZoneFormat*)&other;
|
|
|
|
bool isEqual =
|
|
fLocale == tzfmt->fLocale
|
|
&& fGMTPattern == tzfmt->fGMTPattern
|
|
&& fGMTZeroFormat == tzfmt->fGMTZeroFormat
|
|
&& *fTimeZoneNames == *tzfmt->fTimeZoneNames;
|
|
|
|
for (int32_t i = 0; i < UTZFMT_PAT_COUNT && isEqual; i++) {
|
|
isEqual = fGMTOffsetPatterns[i] == tzfmt->fGMTOffsetPatterns[i];
|
|
}
|
|
for (int32_t i = 0; i < 10 && isEqual; i++) {
|
|
isEqual = fGMTOffsetDigits[i] == tzfmt->fGMTOffsetDigits[i];
|
|
}
|
|
// TODO
|
|
// Check fTimeZoneGenericNames. For now,
|
|
// if fTimeZoneNames is same, fTimeZoneGenericNames should
|
|
// be also equivalent.
|
|
return isEqual;
|
|
}
|
|
|
|
TimeZoneFormat*
|
|
TimeZoneFormat::clone() const {
|
|
return new TimeZoneFormat(*this);
|
|
}
|
|
|
|
TimeZoneFormat* U_EXPORT2
|
|
TimeZoneFormat::createInstance(const Locale& locale, UErrorCode& status) {
|
|
TimeZoneFormat* tzfmt = new TimeZoneFormat(locale, status);
|
|
if (U_SUCCESS(status)) {
|
|
return tzfmt;
|
|
}
|
|
delete tzfmt;
|
|
return NULL;
|
|
}
|
|
|
|
// ------------------------------------------------------------------
|
|
// Setter and Getter
|
|
|
|
const TimeZoneNames*
|
|
TimeZoneFormat::getTimeZoneNames() const {
|
|
return (const TimeZoneNames*)fTimeZoneNames;
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::adoptTimeZoneNames(TimeZoneNames *tznames) {
|
|
delete fTimeZoneNames;
|
|
fTimeZoneNames = tznames;
|
|
|
|
// TODO - We should also update fTimeZoneGenericNames
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::setTimeZoneNames(const TimeZoneNames &tznames) {
|
|
delete fTimeZoneNames;
|
|
fTimeZoneNames = tznames.clone();
|
|
|
|
// TODO - We should also update fTimeZoneGenericNames
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::setDefaultParseOptions(uint32_t flags) {
|
|
fDefParseOptionFlags = flags;
|
|
}
|
|
|
|
uint32_t
|
|
TimeZoneFormat::getDefaultParseOptions(void) const {
|
|
return fDefParseOptionFlags;
|
|
}
|
|
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::getGMTPattern(UnicodeString& pattern) const {
|
|
return pattern.setTo(fGMTPattern);
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::setGMTPattern(const UnicodeString& pattern, UErrorCode& status) {
|
|
initGMTPattern(pattern, status);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::getGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, UnicodeString& pattern) const {
|
|
return pattern.setTo(fGMTOffsetPatterns[type]);
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::setGMTOffsetPattern(UTimeZoneFormatGMTOffsetPatternType type, const UnicodeString& pattern, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
if (pattern == fGMTOffsetPatterns[type]) {
|
|
// No need to reset
|
|
return;
|
|
}
|
|
|
|
OffsetFields required = FIELDS_HM;
|
|
switch (type) {
|
|
case UTZFMT_PAT_POSITIVE_H:
|
|
case UTZFMT_PAT_NEGATIVE_H:
|
|
required = FIELDS_H;
|
|
break;
|
|
case UTZFMT_PAT_POSITIVE_HM:
|
|
case UTZFMT_PAT_NEGATIVE_HM:
|
|
required = FIELDS_HM;
|
|
break;
|
|
case UTZFMT_PAT_POSITIVE_HMS:
|
|
case UTZFMT_PAT_NEGATIVE_HMS:
|
|
required = FIELDS_HMS;
|
|
break;
|
|
default:
|
|
UPRV_UNREACHABLE_EXIT;
|
|
}
|
|
|
|
UVector* patternItems = parseOffsetPattern(pattern, required, status);
|
|
if (patternItems == NULL) {
|
|
return;
|
|
}
|
|
|
|
fGMTOffsetPatterns[type].setTo(pattern);
|
|
delete fGMTOffsetPatternItems[type];
|
|
fGMTOffsetPatternItems[type] = patternItems;
|
|
checkAbuttingHoursAndMinutes();
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::getGMTOffsetDigits(UnicodeString& digits) const {
|
|
digits.remove();
|
|
for (int32_t i = 0; i < 10; i++) {
|
|
digits.append(fGMTOffsetDigits[i]);
|
|
}
|
|
return digits;
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::setGMTOffsetDigits(const UnicodeString& digits, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
UChar32 digitArray[10];
|
|
if (!toCodePoints(digits, digitArray, 10)) {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
uprv_memcpy(fGMTOffsetDigits, digitArray, sizeof(UChar32)*10);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::getGMTZeroFormat(UnicodeString& gmtZeroFormat) const {
|
|
return gmtZeroFormat.setTo(fGMTZeroFormat);
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::setGMTZeroFormat(const UnicodeString& gmtZeroFormat, UErrorCode& status) {
|
|
if (U_SUCCESS(status)) {
|
|
if (gmtZeroFormat.isEmpty()) {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
} else if (gmtZeroFormat != fGMTZeroFormat) {
|
|
fGMTZeroFormat.setTo(gmtZeroFormat);
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------
|
|
// Format and Parse
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::format(UTimeZoneFormatStyle style, const TimeZone& tz, UDate date,
|
|
UnicodeString& name, UTimeZoneFormatTimeType* timeType /* = NULL */) const {
|
|
if (timeType) {
|
|
*timeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
}
|
|
|
|
UBool noOffsetFormatFallback = FALSE;
|
|
|
|
switch (style) {
|
|
case UTZFMT_STYLE_GENERIC_LOCATION:
|
|
formatGeneric(tz, UTZGNM_LOCATION, date, name);
|
|
break;
|
|
case UTZFMT_STYLE_GENERIC_LONG:
|
|
formatGeneric(tz, UTZGNM_LONG, date, name);
|
|
break;
|
|
case UTZFMT_STYLE_GENERIC_SHORT:
|
|
formatGeneric(tz, UTZGNM_SHORT, date, name);
|
|
break;
|
|
case UTZFMT_STYLE_SPECIFIC_LONG:
|
|
formatSpecific(tz, UTZNM_LONG_STANDARD, UTZNM_LONG_DAYLIGHT, date, name, timeType);
|
|
break;
|
|
case UTZFMT_STYLE_SPECIFIC_SHORT:
|
|
formatSpecific(tz, UTZNM_SHORT_STANDARD, UTZNM_SHORT_DAYLIGHT, date, name, timeType);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ZONE_ID:
|
|
tz.getID(name);
|
|
noOffsetFormatFallback = TRUE;
|
|
break;
|
|
case UTZFMT_STYLE_ZONE_ID_SHORT:
|
|
{
|
|
const UChar* shortID = ZoneMeta::getShortID(tz);
|
|
if (shortID == NULL) {
|
|
shortID = UNKNOWN_SHORT_ZONE_ID;
|
|
}
|
|
name.setTo(shortID, -1);
|
|
}
|
|
noOffsetFormatFallback = TRUE;
|
|
break;
|
|
|
|
case UTZFMT_STYLE_EXEMPLAR_LOCATION:
|
|
formatExemplarLocation(tz, name);
|
|
noOffsetFormatFallback = TRUE;
|
|
break;
|
|
|
|
default:
|
|
// will be handled below
|
|
break;
|
|
}
|
|
|
|
if (name.isEmpty() && !noOffsetFormatFallback) {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
int32_t rawOffset, dstOffset;
|
|
tz.getOffset(date, FALSE, rawOffset, dstOffset, status);
|
|
int32_t offset = rawOffset + dstOffset;
|
|
if (U_SUCCESS(status)) {
|
|
switch (style) {
|
|
case UTZFMT_STYLE_GENERIC_LOCATION:
|
|
case UTZFMT_STYLE_GENERIC_LONG:
|
|
case UTZFMT_STYLE_SPECIFIC_LONG:
|
|
case UTZFMT_STYLE_LOCALIZED_GMT:
|
|
formatOffsetLocalizedGMT(offset, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_GENERIC_SHORT:
|
|
case UTZFMT_STYLE_SPECIFIC_SHORT:
|
|
case UTZFMT_STYLE_LOCALIZED_GMT_SHORT:
|
|
formatOffsetShortLocalizedGMT(offset, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_SHORT:
|
|
formatOffsetISO8601Basic(offset, TRUE, TRUE, TRUE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT:
|
|
formatOffsetISO8601Basic(offset, FALSE, TRUE, TRUE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_FIXED:
|
|
formatOffsetISO8601Basic(offset, TRUE, FALSE, TRUE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED:
|
|
formatOffsetISO8601Basic(offset, FALSE, FALSE, TRUE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_EXTENDED_FIXED:
|
|
formatOffsetISO8601Extended(offset, TRUE, FALSE, TRUE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED:
|
|
formatOffsetISO8601Extended(offset, FALSE, FALSE, TRUE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_FULL:
|
|
formatOffsetISO8601Basic(offset, TRUE, FALSE, FALSE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL:
|
|
formatOffsetISO8601Basic(offset, FALSE, FALSE, FALSE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_EXTENDED_FULL:
|
|
formatOffsetISO8601Extended(offset, TRUE, FALSE, FALSE, name, status);
|
|
break;
|
|
|
|
case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL:
|
|
formatOffsetISO8601Extended(offset, FALSE, FALSE, FALSE, name, status);
|
|
break;
|
|
|
|
default:
|
|
// UTZFMT_STYLE_ZONE_ID, UTZFMT_STYLE_ZONE_ID_SHORT, UTZFMT_STYLE_EXEMPLAR_LOCATION
|
|
break;
|
|
}
|
|
|
|
if (timeType) {
|
|
*timeType = (dstOffset != 0) ? UTZFMT_TIME_TYPE_DAYLIGHT : UTZFMT_TIME_TYPE_STANDARD;
|
|
}
|
|
}
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::format(const Formattable& obj, UnicodeString& appendTo,
|
|
FieldPosition& pos, UErrorCode& status) const {
|
|
if (U_FAILURE(status)) {
|
|
return appendTo;
|
|
}
|
|
UDate date = Calendar::getNow();
|
|
if (obj.getType() == Formattable::kObject) {
|
|
const UObject* formatObj = obj.getObject();
|
|
const TimeZone* tz = dynamic_cast<const TimeZone*>(formatObj);
|
|
if (tz == NULL) {
|
|
const Calendar* cal = dynamic_cast<const Calendar*>(formatObj);
|
|
if (cal != NULL) {
|
|
tz = &cal->getTimeZone();
|
|
date = cal->getTime(status);
|
|
}
|
|
}
|
|
if (tz != NULL) {
|
|
int32_t rawOffset, dstOffset;
|
|
tz->getOffset(date, FALSE, rawOffset, dstOffset, status);
|
|
UChar buf[ZONE_NAME_U16_MAX];
|
|
UnicodeString result(buf, 0, UPRV_LENGTHOF(buf));
|
|
formatOffsetLocalizedGMT(rawOffset + dstOffset, result, status);
|
|
if (U_SUCCESS(status)) {
|
|
appendTo.append(result);
|
|
if (pos.getField() == UDAT_TIMEZONE_FIELD) {
|
|
pos.setBeginIndex(0);
|
|
pos.setEndIndex(result.length());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return appendTo;
|
|
}
|
|
|
|
TimeZone*
|
|
TimeZoneFormat::parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos,
|
|
UTimeZoneFormatTimeType* timeType /*= NULL*/) const {
|
|
return parse(style, text, pos, getDefaultParseOptions(), timeType);
|
|
}
|
|
|
|
TimeZone*
|
|
TimeZoneFormat::parse(UTimeZoneFormatStyle style, const UnicodeString& text, ParsePosition& pos,
|
|
int32_t parseOptions, UTimeZoneFormatTimeType* timeType /* = NULL */) const {
|
|
if (timeType) {
|
|
*timeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
}
|
|
|
|
int32_t startIdx = pos.getIndex();
|
|
int32_t maxPos = text.length();
|
|
int32_t offset;
|
|
|
|
// Styles using localized GMT format as fallback
|
|
UBool fallbackLocalizedGMT =
|
|
(style == UTZFMT_STYLE_SPECIFIC_LONG || style == UTZFMT_STYLE_GENERIC_LONG || style == UTZFMT_STYLE_GENERIC_LOCATION);
|
|
UBool fallbackShortLocalizedGMT =
|
|
(style == UTZFMT_STYLE_SPECIFIC_SHORT || style == UTZFMT_STYLE_GENERIC_SHORT);
|
|
|
|
int32_t evaluated = 0; // bit flags representing already evaluated styles
|
|
ParsePosition tmpPos(startIdx);
|
|
|
|
int32_t parsedOffset = UNKNOWN_OFFSET; // stores successfully parsed offset for later use
|
|
int32_t parsedPos = -1; // stores successfully parsed offset position for later use
|
|
|
|
// Try localized GMT format first if necessary
|
|
if (fallbackLocalizedGMT || fallbackShortLocalizedGMT) {
|
|
UBool hasDigitOffset = FALSE;
|
|
offset = parseOffsetLocalizedGMT(text, tmpPos, fallbackShortLocalizedGMT, &hasDigitOffset);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
// Even when the input text was successfully parsed as a localized GMT format text,
|
|
// we may still need to evaluate the specified style if -
|
|
// 1) GMT zero format was used, and
|
|
// 2) The input text was not completely processed
|
|
if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
parsedOffset = offset;
|
|
parsedPos = tmpPos.getIndex();
|
|
}
|
|
// Note: For now, no distinction between long/short localized GMT format in the parser.
|
|
// This might be changed in future.
|
|
// evaluated |= (fallbackLocalizedGMT ? STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT] : STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]);
|
|
evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT] | STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT];
|
|
}
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar tzIDBuf[32];
|
|
UnicodeString tzID(tzIDBuf, 0, UPRV_LENGTHOF(tzIDBuf));
|
|
|
|
UBool parseTZDBAbbrev = ((parseOptions & UTZFMT_PARSE_OPTION_TZ_DATABASE_ABBREVIATIONS) != 0);
|
|
|
|
// Try the specified style
|
|
switch (style) {
|
|
case UTZFMT_STYLE_LOCALIZED_GMT:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
offset = parseOffsetLocalizedGMT(text, tmpPos);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
|
|
// Note: For now, no distinction between long/short localized GMT format in the parser.
|
|
// This might be changed in future.
|
|
evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT];
|
|
|
|
break;
|
|
}
|
|
case UTZFMT_STYLE_LOCALIZED_GMT_SHORT:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
offset = parseOffsetShortLocalizedGMT(text, tmpPos);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
|
|
// Note: For now, no distinction between long/short localized GMT format in the parser.
|
|
// This might be changed in future.
|
|
evaluated |= STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT];
|
|
|
|
break;
|
|
}
|
|
case UTZFMT_STYLE_ISO_BASIC_SHORT:
|
|
case UTZFMT_STYLE_ISO_BASIC_FIXED:
|
|
case UTZFMT_STYLE_ISO_BASIC_FULL:
|
|
case UTZFMT_STYLE_ISO_EXTENDED_FIXED:
|
|
case UTZFMT_STYLE_ISO_EXTENDED_FULL:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
offset = parseOffsetISO8601(text, tmpPos);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case UTZFMT_STYLE_ISO_BASIC_LOCAL_SHORT:
|
|
case UTZFMT_STYLE_ISO_BASIC_LOCAL_FIXED:
|
|
case UTZFMT_STYLE_ISO_BASIC_LOCAL_FULL:
|
|
case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FIXED:
|
|
case UTZFMT_STYLE_ISO_EXTENDED_LOCAL_FULL:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
// Exclude the case of UTC Indicator "Z" here
|
|
UBool hasDigitOffset = FALSE;
|
|
offset = parseOffsetISO8601(text, tmpPos, FALSE, &hasDigitOffset);
|
|
if (tmpPos.getErrorIndex() == -1 && hasDigitOffset) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case UTZFMT_STYLE_SPECIFIC_LONG:
|
|
case UTZFMT_STYLE_SPECIFIC_SHORT:
|
|
{
|
|
// Specific styles
|
|
int32_t nameTypes = 0;
|
|
if (style == UTZFMT_STYLE_SPECIFIC_LONG) {
|
|
nameTypes = (UTZNM_LONG_STANDARD | UTZNM_LONG_DAYLIGHT);
|
|
} else {
|
|
U_ASSERT(style == UTZFMT_STYLE_SPECIFIC_SHORT);
|
|
nameTypes = (UTZNM_SHORT_STANDARD | UTZNM_SHORT_DAYLIGHT);
|
|
}
|
|
LocalPointer<TimeZoneNames::MatchInfoCollection> specificMatches(fTimeZoneNames->find(text, startIdx, nameTypes, status));
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
if (!specificMatches.isNull()) {
|
|
int32_t matchIdx = -1;
|
|
int32_t matchPos = -1;
|
|
for (int32_t i = 0; i < specificMatches->size(); i++) {
|
|
matchPos = startIdx + specificMatches->getMatchLengthAt(i);
|
|
if (matchPos > parsedPos) {
|
|
matchIdx = i;
|
|
parsedPos = matchPos;
|
|
}
|
|
}
|
|
if (matchIdx >= 0) {
|
|
if (timeType) {
|
|
*timeType = getTimeType(specificMatches->getNameTypeAt(matchIdx));
|
|
}
|
|
pos.setIndex(matchPos);
|
|
getTimeZoneID(specificMatches.getAlias(), matchIdx, tzID);
|
|
U_ASSERT(!tzID.isEmpty());
|
|
return TimeZone::createTimeZone(tzID);
|
|
}
|
|
}
|
|
|
|
if (parseTZDBAbbrev && style == UTZFMT_STYLE_SPECIFIC_SHORT) {
|
|
U_ASSERT((nameTypes & UTZNM_SHORT_STANDARD) != 0);
|
|
U_ASSERT((nameTypes & UTZNM_SHORT_DAYLIGHT) != 0);
|
|
|
|
const TZDBTimeZoneNames *tzdbTimeZoneNames = getTZDBTimeZoneNames(status);
|
|
if (U_SUCCESS(status)) {
|
|
LocalPointer<TimeZoneNames::MatchInfoCollection> tzdbNameMatches(
|
|
tzdbTimeZoneNames->find(text, startIdx, nameTypes, status));
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
if (!tzdbNameMatches.isNull()) {
|
|
int32_t matchIdx = -1;
|
|
int32_t matchPos = -1;
|
|
for (int32_t i = 0; i < tzdbNameMatches->size(); i++) {
|
|
matchPos = startIdx + tzdbNameMatches->getMatchLengthAt(i);
|
|
if (matchPos > parsedPos) {
|
|
matchIdx = i;
|
|
parsedPos = matchPos;
|
|
}
|
|
}
|
|
if (matchIdx >= 0) {
|
|
if (timeType) {
|
|
*timeType = getTimeType(tzdbNameMatches->getNameTypeAt(matchIdx));
|
|
}
|
|
pos.setIndex(matchPos);
|
|
getTimeZoneID(tzdbNameMatches.getAlias(), matchIdx, tzID);
|
|
U_ASSERT(!tzID.isEmpty());
|
|
return TimeZone::createTimeZone(tzID);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case UTZFMT_STYLE_GENERIC_LONG:
|
|
case UTZFMT_STYLE_GENERIC_SHORT:
|
|
case UTZFMT_STYLE_GENERIC_LOCATION:
|
|
{
|
|
int32_t genericNameTypes = 0;
|
|
switch (style) {
|
|
case UTZFMT_STYLE_GENERIC_LOCATION:
|
|
genericNameTypes = UTZGNM_LOCATION;
|
|
break;
|
|
|
|
case UTZFMT_STYLE_GENERIC_LONG:
|
|
genericNameTypes = UTZGNM_LONG | UTZGNM_LOCATION;
|
|
break;
|
|
|
|
case UTZFMT_STYLE_GENERIC_SHORT:
|
|
genericNameTypes = UTZGNM_SHORT | UTZGNM_LOCATION;
|
|
break;
|
|
|
|
default:
|
|
UPRV_UNREACHABLE_EXIT;
|
|
}
|
|
|
|
int32_t len = 0;
|
|
UTimeZoneFormatTimeType tt = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
const TimeZoneGenericNames *gnames = getTimeZoneGenericNames(status);
|
|
if (U_SUCCESS(status)) {
|
|
len = gnames->findBestMatch(text, startIdx, genericNameTypes, tzID, tt, status);
|
|
}
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
if (len > 0) {
|
|
// Found a match
|
|
if (timeType) {
|
|
*timeType = tt;
|
|
}
|
|
pos.setIndex(startIdx + len);
|
|
U_ASSERT(!tzID.isEmpty());
|
|
return TimeZone::createTimeZone(tzID);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case UTZFMT_STYLE_ZONE_ID:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
parseZoneID(text, tmpPos, tzID);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return TimeZone::createTimeZone(tzID);
|
|
}
|
|
break;
|
|
}
|
|
case UTZFMT_STYLE_ZONE_ID_SHORT:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
parseShortZoneID(text, tmpPos, tzID);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return TimeZone::createTimeZone(tzID);
|
|
}
|
|
break;
|
|
}
|
|
case UTZFMT_STYLE_EXEMPLAR_LOCATION:
|
|
{
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
parseExemplarLocation(text, tmpPos, tzID);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return TimeZone::createTimeZone(tzID);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
evaluated |= STYLE_PARSE_FLAGS[style];
|
|
|
|
|
|
if (parsedPos > startIdx) {
|
|
// When the specified style is one of SPECIFIC_XXX or GENERIC_XXX, we tried to parse the input
|
|
// as localized GMT format earlier. If parsedOffset is positive, it means it was successfully
|
|
// parsed as localized GMT format, but offset digits were not detected (more specifically, GMT
|
|
// zero format). Then, it tried to find a match within the set of display names, but could not
|
|
// find a match. At this point, we can safely assume the input text contains the localized
|
|
// GMT format.
|
|
U_ASSERT(parsedOffset != UNKNOWN_OFFSET);
|
|
pos.setIndex(parsedPos);
|
|
return createTimeZoneForOffset(parsedOffset);
|
|
}
|
|
|
|
// Failed to parse the input text as the time zone format in the specified style.
|
|
// Check the longest match among other styles below.
|
|
UChar parsedIDBuf[32];
|
|
UnicodeString parsedID(parsedIDBuf, 0, UPRV_LENGTHOF(parsedIDBuf));
|
|
UTimeZoneFormatTimeType parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
|
|
U_ASSERT(parsedPos < 0);
|
|
U_ASSERT(parsedOffset == UNKNOWN_OFFSET);
|
|
|
|
// ISO 8601
|
|
if (parsedPos < maxPos &&
|
|
((evaluated & ISO_Z_STYLE_FLAG) == 0 || (evaluated & ISO_LOCAL_STYLE_FLAG) == 0)) {
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
UBool hasDigitOffset = FALSE;
|
|
offset = parseOffsetISO8601(text, tmpPos, FALSE, &hasDigitOffset);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
// Note: When ISO 8601 format contains offset digits, it should not
|
|
// collide with other formats. However, ISO 8601 UTC format "Z" (single letter)
|
|
// may collide with other names. In this case, we need to evaluate other names.
|
|
if (parsedPos < tmpPos.getIndex()) {
|
|
parsedOffset = offset;
|
|
parsedID.setToBogus();
|
|
parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
parsedPos = tmpPos.getIndex();
|
|
U_ASSERT(parsedPos == startIdx + 1); // only when "Z" is used
|
|
}
|
|
}
|
|
}
|
|
|
|
// Localized GMT format
|
|
if (parsedPos < maxPos &&
|
|
(evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT]) == 0) {
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
UBool hasDigitOffset = FALSE;
|
|
offset = parseOffsetLocalizedGMT(text, tmpPos, FALSE, &hasDigitOffset);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
// Evaluate other names - see the comment earlier in this method.
|
|
if (parsedPos < tmpPos.getIndex()) {
|
|
parsedOffset = offset;
|
|
parsedID.setToBogus();
|
|
parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
parsedPos = tmpPos.getIndex();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (parsedPos < maxPos &&
|
|
(evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_LOCALIZED_GMT_SHORT]) == 0) {
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
UBool hasDigitOffset = FALSE;
|
|
offset = parseOffsetLocalizedGMT(text, tmpPos, TRUE, &hasDigitOffset);
|
|
if (tmpPos.getErrorIndex() == -1) {
|
|
if (tmpPos.getIndex() == maxPos || hasDigitOffset) {
|
|
pos.setIndex(tmpPos.getIndex());
|
|
return createTimeZoneForOffset(offset);
|
|
}
|
|
// Evaluate other names - see the comment earlier in this method.
|
|
if (parsedPos < tmpPos.getIndex()) {
|
|
parsedOffset = offset;
|
|
parsedID.setToBogus();
|
|
parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
parsedPos = tmpPos.getIndex();
|
|
}
|
|
}
|
|
}
|
|
|
|
// When ParseOption.ALL_STYLES is available, we also try to look all possible display names and IDs.
|
|
// For example, when style is GENERIC_LONG, "EST" (SPECIFIC_SHORT) is never
|
|
// used for America/New_York. With parseAllStyles true, this code parses "EST"
|
|
// as America/New_York.
|
|
|
|
// Note: Adding all possible names into the trie used by the implementation is quite heavy operation,
|
|
// which we want to avoid normally (note that we cache the trie, so this is applicable to the
|
|
// first time only as long as the cache does not expire).
|
|
|
|
if (parseOptions & UTZFMT_PARSE_OPTION_ALL_STYLES) {
|
|
// Try all specific names and exemplar location names
|
|
if (parsedPos < maxPos) {
|
|
LocalPointer<TimeZoneNames::MatchInfoCollection> specificMatches(fTimeZoneNames->find(text, startIdx, ALL_SIMPLE_NAME_TYPES, status));
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
int32_t specificMatchIdx = -1;
|
|
int32_t matchPos = -1;
|
|
if (!specificMatches.isNull()) {
|
|
for (int32_t i = 0; i < specificMatches->size(); i++) {
|
|
if (startIdx + specificMatches->getMatchLengthAt(i) > matchPos) {
|
|
specificMatchIdx = i;
|
|
matchPos = startIdx + specificMatches->getMatchLengthAt(i);
|
|
}
|
|
}
|
|
}
|
|
if (parsedPos < matchPos) {
|
|
U_ASSERT(specificMatchIdx >= 0);
|
|
parsedPos = matchPos;
|
|
getTimeZoneID(specificMatches.getAlias(), specificMatchIdx, parsedID);
|
|
parsedTimeType = getTimeType(specificMatches->getNameTypeAt(specificMatchIdx));
|
|
parsedOffset = UNKNOWN_OFFSET;
|
|
}
|
|
}
|
|
if (parseTZDBAbbrev && parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_SPECIFIC_SHORT]) == 0) {
|
|
const TZDBTimeZoneNames *tzdbTimeZoneNames = getTZDBTimeZoneNames(status);
|
|
if (U_SUCCESS(status)) {
|
|
LocalPointer<TimeZoneNames::MatchInfoCollection> tzdbNameMatches(
|
|
tzdbTimeZoneNames->find(text, startIdx, ALL_SIMPLE_NAME_TYPES, status));
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
int32_t tzdbNameMatchIdx = -1;
|
|
int32_t matchPos = -1;
|
|
if (!tzdbNameMatches.isNull()) {
|
|
for (int32_t i = 0; i < tzdbNameMatches->size(); i++) {
|
|
if (startIdx + tzdbNameMatches->getMatchLengthAt(i) > matchPos) {
|
|
tzdbNameMatchIdx = i;
|
|
matchPos = startIdx + tzdbNameMatches->getMatchLengthAt(i);
|
|
}
|
|
}
|
|
}
|
|
if (parsedPos < matchPos) {
|
|
U_ASSERT(tzdbNameMatchIdx >= 0);
|
|
parsedPos = matchPos;
|
|
getTimeZoneID(tzdbNameMatches.getAlias(), tzdbNameMatchIdx, parsedID);
|
|
parsedTimeType = getTimeType(tzdbNameMatches->getNameTypeAt(tzdbNameMatchIdx));
|
|
parsedOffset = UNKNOWN_OFFSET;
|
|
}
|
|
}
|
|
}
|
|
// Try generic names
|
|
if (parsedPos < maxPos) {
|
|
int32_t genMatchLen = -1;
|
|
UTimeZoneFormatTimeType tt = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
|
|
const TimeZoneGenericNames *gnames = getTimeZoneGenericNames(status);
|
|
if (U_SUCCESS(status)) {
|
|
genMatchLen = gnames->findBestMatch(text, startIdx, ALL_GENERIC_NAME_TYPES, tzID, tt, status);
|
|
}
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
|
|
if (genMatchLen > 0 && parsedPos < startIdx + genMatchLen) {
|
|
parsedPos = startIdx + genMatchLen;
|
|
parsedID.setTo(tzID);
|
|
parsedTimeType = tt;
|
|
parsedOffset = UNKNOWN_OFFSET;
|
|
}
|
|
}
|
|
|
|
// Try time zone ID
|
|
if (parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_ZONE_ID]) == 0) {
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
parseZoneID(text, tmpPos, tzID);
|
|
if (tmpPos.getErrorIndex() == -1 && parsedPos < tmpPos.getIndex()) {
|
|
parsedPos = tmpPos.getIndex();
|
|
parsedID.setTo(tzID);
|
|
parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
parsedOffset = UNKNOWN_OFFSET;
|
|
}
|
|
}
|
|
// Try short time zone ID
|
|
if (parsedPos < maxPos && (evaluated & STYLE_PARSE_FLAGS[UTZFMT_STYLE_ZONE_ID]) == 0) {
|
|
tmpPos.setIndex(startIdx);
|
|
tmpPos.setErrorIndex(-1);
|
|
|
|
parseShortZoneID(text, tmpPos, tzID);
|
|
if (tmpPos.getErrorIndex() == -1 && parsedPos < tmpPos.getIndex()) {
|
|
parsedPos = tmpPos.getIndex();
|
|
parsedID.setTo(tzID);
|
|
parsedTimeType = UTZFMT_TIME_TYPE_UNKNOWN;
|
|
parsedOffset = UNKNOWN_OFFSET;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (parsedPos > startIdx) {
|
|
// Parsed successfully
|
|
TimeZone* parsedTZ;
|
|
if (parsedID.length() > 0) {
|
|
parsedTZ = TimeZone::createTimeZone(parsedID);
|
|
} else {
|
|
U_ASSERT(parsedOffset != UNKNOWN_OFFSET);
|
|
parsedTZ = createTimeZoneForOffset(parsedOffset);
|
|
}
|
|
if (timeType) {
|
|
*timeType = parsedTimeType;
|
|
}
|
|
pos.setIndex(parsedPos);
|
|
return parsedTZ;
|
|
}
|
|
|
|
pos.setErrorIndex(startIdx);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::parseObject(const UnicodeString& source, Formattable& result,
|
|
ParsePosition& parse_pos) const {
|
|
result.adoptObject(parse(UTZFMT_STYLE_GENERIC_LOCATION, source, parse_pos, UTZFMT_PARSE_OPTION_ALL_STYLES));
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
// Private zone name format/parse implementation
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatGeneric(const TimeZone& tz, int32_t genType, UDate date, UnicodeString& name) const {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
const TimeZoneGenericNames* gnames = getTimeZoneGenericNames(status);
|
|
if (U_FAILURE(status)) {
|
|
name.setToBogus();
|
|
return name;
|
|
}
|
|
|
|
if (genType == UTZGNM_LOCATION) {
|
|
const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz);
|
|
if (canonicalID == NULL) {
|
|
name.setToBogus();
|
|
return name;
|
|
}
|
|
return gnames->getGenericLocationName(UnicodeString(TRUE, canonicalID, -1), name);
|
|
}
|
|
return gnames->getDisplayName(tz, (UTimeZoneGenericNameType)genType, date, name);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatSpecific(const TimeZone& tz, UTimeZoneNameType stdType, UTimeZoneNameType dstType,
|
|
UDate date, UnicodeString& name, UTimeZoneFormatTimeType *timeType) const {
|
|
if (fTimeZoneNames == NULL) {
|
|
name.setToBogus();
|
|
return name;
|
|
}
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UBool isDaylight = tz.inDaylightTime(date, status);
|
|
const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz);
|
|
|
|
if (U_FAILURE(status) || canonicalID == NULL) {
|
|
name.setToBogus();
|
|
return name;
|
|
}
|
|
|
|
if (isDaylight) {
|
|
fTimeZoneNames->getDisplayName(UnicodeString(TRUE, canonicalID, -1), dstType, date, name);
|
|
} else {
|
|
fTimeZoneNames->getDisplayName(UnicodeString(TRUE, canonicalID, -1), stdType, date, name);
|
|
}
|
|
|
|
if (timeType && !name.isEmpty()) {
|
|
*timeType = isDaylight ? UTZFMT_TIME_TYPE_DAYLIGHT : UTZFMT_TIME_TYPE_STANDARD;
|
|
}
|
|
return name;
|
|
}
|
|
|
|
const TimeZoneGenericNames*
|
|
TimeZoneFormat::getTimeZoneGenericNames(UErrorCode& status) const {
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
umtx_lock(&gLock);
|
|
if (fTimeZoneGenericNames == NULL) {
|
|
TimeZoneFormat *nonConstThis = const_cast<TimeZoneFormat *>(this);
|
|
nonConstThis->fTimeZoneGenericNames = TimeZoneGenericNames::createInstance(fLocale, status);
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
return fTimeZoneGenericNames;
|
|
}
|
|
|
|
const TZDBTimeZoneNames*
|
|
TimeZoneFormat::getTZDBTimeZoneNames(UErrorCode& status) const {
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
umtx_lock(&gLock);
|
|
if (fTZDBTimeZoneNames == NULL) {
|
|
TZDBTimeZoneNames *tzdbNames = new TZDBTimeZoneNames(fLocale);
|
|
if (tzdbNames == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
} else {
|
|
TimeZoneFormat *nonConstThis = const_cast<TimeZoneFormat *>(this);
|
|
nonConstThis->fTZDBTimeZoneNames = tzdbNames;
|
|
}
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
return fTZDBTimeZoneNames;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatExemplarLocation(const TimeZone& tz, UnicodeString& name) const {
|
|
UChar locationBuf[ZONE_NAME_U16_MAX];
|
|
UnicodeString location(locationBuf, 0, UPRV_LENGTHOF(locationBuf));
|
|
const UChar* canonicalID = ZoneMeta::getCanonicalCLDRID(tz);
|
|
|
|
if (canonicalID) {
|
|
fTimeZoneNames->getExemplarLocationName(UnicodeString(TRUE, canonicalID, -1), location);
|
|
}
|
|
if (location.length() > 0) {
|
|
name.setTo(location);
|
|
} else {
|
|
// Use "unknown" location
|
|
fTimeZoneNames->getExemplarLocationName(UnicodeString(TRUE, UNKNOWN_ZONE_ID, -1), location);
|
|
if (location.length() > 0) {
|
|
name.setTo(location);
|
|
} else {
|
|
// last resort
|
|
name.setTo(UNKNOWN_LOCATION, -1);
|
|
}
|
|
}
|
|
return name;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------
|
|
// Zone offset format and parse
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetISO8601Basic(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds,
|
|
UnicodeString& result, UErrorCode& status) const {
|
|
return formatOffsetISO8601(offset, TRUE, useUtcIndicator, isShort, ignoreSeconds, result, status);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetISO8601Extended(int32_t offset, UBool useUtcIndicator, UBool isShort, UBool ignoreSeconds,
|
|
UnicodeString& result, UErrorCode& status) const {
|
|
return formatOffsetISO8601(offset, FALSE, useUtcIndicator, isShort, ignoreSeconds, result, status);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const {
|
|
return formatOffsetLocalizedGMT(offset, FALSE, result, status);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetShortLocalizedGMT(int32_t offset, UnicodeString& result, UErrorCode& status) const {
|
|
return formatOffsetLocalizedGMT(offset, TRUE, result, status);
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos) const {
|
|
return parseOffsetISO8601(text, pos, FALSE);
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const {
|
|
return parseOffsetLocalizedGMT(text, pos, FALSE, NULL);
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetShortLocalizedGMT(const UnicodeString& text, ParsePosition& pos) const {
|
|
return parseOffsetLocalizedGMT(text, pos, TRUE, NULL);
|
|
}
|
|
|
|
// ------------------------------------------------------------------
|
|
// Private zone offset format/parse implementation
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetISO8601(int32_t offset, UBool isBasic, UBool useUtcIndicator,
|
|
UBool isShort, UBool ignoreSeconds, UnicodeString& result, UErrorCode& status) const {
|
|
if (U_FAILURE(status)) {
|
|
result.setToBogus();
|
|
return result;
|
|
}
|
|
int32_t absOffset = offset < 0 ? -offset : offset;
|
|
if (useUtcIndicator && (absOffset < MILLIS_PER_SECOND || (ignoreSeconds && absOffset < MILLIS_PER_MINUTE))) {
|
|
result.setTo(ISO8601_UTC);
|
|
return result;
|
|
}
|
|
|
|
OffsetFields minFields = isShort ? FIELDS_H : FIELDS_HM;
|
|
OffsetFields maxFields = ignoreSeconds ? FIELDS_HM : FIELDS_HMS;
|
|
UChar sep = isBasic ? 0 : ISO8601_SEP;
|
|
|
|
// Note: FIELDS_HMS as maxFields is a CLDR/ICU extension. ISO 8601 specification does
|
|
// not support seconds field.
|
|
|
|
if (absOffset >= MAX_OFFSET) {
|
|
result.setToBogus();
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
|
|
int fields[3];
|
|
fields[0] = absOffset / MILLIS_PER_HOUR;
|
|
absOffset = absOffset % MILLIS_PER_HOUR;
|
|
fields[1] = absOffset / MILLIS_PER_MINUTE;
|
|
absOffset = absOffset % MILLIS_PER_MINUTE;
|
|
fields[2] = absOffset / MILLIS_PER_SECOND;
|
|
|
|
U_ASSERT(fields[0] >= 0 && fields[0] <= MAX_OFFSET_HOUR);
|
|
U_ASSERT(fields[1] >= 0 && fields[1] <= MAX_OFFSET_MINUTE);
|
|
U_ASSERT(fields[2] >= 0 && fields[2] <= MAX_OFFSET_SECOND);
|
|
|
|
int32_t lastIdx = maxFields;
|
|
while (lastIdx > minFields) {
|
|
if (fields[lastIdx] != 0) {
|
|
break;
|
|
}
|
|
lastIdx--;
|
|
}
|
|
|
|
UChar sign = PLUS;
|
|
if (offset < 0) {
|
|
// if all output fields are 0s, do not use negative sign
|
|
for (int32_t idx = 0; idx <= lastIdx; idx++) {
|
|
if (fields[idx] != 0) {
|
|
sign = MINUS;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
result.setTo(sign);
|
|
|
|
for (int32_t idx = 0; idx <= lastIdx; idx++) {
|
|
if (sep && idx != 0) {
|
|
result.append(sep);
|
|
}
|
|
result.append((UChar)(0x0030 + fields[idx]/10));
|
|
result.append((UChar)(0x0030 + fields[idx]%10));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetLocalizedGMT(int32_t offset, UBool isShort, UnicodeString& result, UErrorCode& status) const {
|
|
if (U_FAILURE(status)) {
|
|
result.setToBogus();
|
|
return result;
|
|
}
|
|
if (offset <= -MAX_OFFSET || offset >= MAX_OFFSET) {
|
|
result.setToBogus();
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
|
|
if (offset == 0) {
|
|
result.setTo(fGMTZeroFormat);
|
|
return result;
|
|
}
|
|
|
|
UBool positive = TRUE;
|
|
if (offset < 0) {
|
|
offset = -offset;
|
|
positive = FALSE;
|
|
}
|
|
|
|
int32_t offsetH = offset / MILLIS_PER_HOUR;
|
|
offset = offset % MILLIS_PER_HOUR;
|
|
int32_t offsetM = offset / MILLIS_PER_MINUTE;
|
|
offset = offset % MILLIS_PER_MINUTE;
|
|
int32_t offsetS = offset / MILLIS_PER_SECOND;
|
|
|
|
U_ASSERT(offsetH <= MAX_OFFSET_HOUR && offsetM <= MAX_OFFSET_MINUTE && offsetS <= MAX_OFFSET_SECOND);
|
|
|
|
const UVector* offsetPatternItems = NULL;
|
|
if (positive) {
|
|
if (offsetS != 0) {
|
|
offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_HMS];
|
|
} else if (offsetM != 0 || !isShort) {
|
|
offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_HM];
|
|
} else {
|
|
offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_POSITIVE_H];
|
|
}
|
|
} else {
|
|
if (offsetS != 0) {
|
|
offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_HMS];
|
|
} else if (offsetM != 0 || !isShort) {
|
|
offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_HM];
|
|
} else {
|
|
offsetPatternItems = fGMTOffsetPatternItems[UTZFMT_PAT_NEGATIVE_H];
|
|
}
|
|
}
|
|
|
|
U_ASSERT(offsetPatternItems != NULL);
|
|
|
|
// Building the GMT format string
|
|
result.setTo(fGMTPatternPrefix);
|
|
|
|
for (int32_t i = 0; i < offsetPatternItems->size(); i++) {
|
|
const GMTOffsetField* item = (GMTOffsetField*)offsetPatternItems->elementAt(i);
|
|
GMTOffsetField::FieldType type = item->getType();
|
|
|
|
switch (type) {
|
|
case GMTOffsetField::TEXT:
|
|
result.append(item->getPatternText(), -1);
|
|
break;
|
|
|
|
case GMTOffsetField::HOUR:
|
|
appendOffsetDigits(result, offsetH, (isShort ? 1 : 2));
|
|
break;
|
|
|
|
case GMTOffsetField::MINUTE:
|
|
appendOffsetDigits(result, offsetM, 2);
|
|
break;
|
|
|
|
case GMTOffsetField::SECOND:
|
|
appendOffsetDigits(result, offsetS, 2);
|
|
break;
|
|
}
|
|
}
|
|
|
|
result.append(fGMTPatternSuffix);
|
|
return result;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetISO8601(const UnicodeString& text, ParsePosition& pos, UBool extendedOnly, UBool* hasDigitOffset /* = NULL */) const {
|
|
if (hasDigitOffset) {
|
|
*hasDigitOffset = FALSE;
|
|
}
|
|
int32_t start = pos.getIndex();
|
|
if (start >= text.length()) {
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
|
|
UChar firstChar = text.charAt(start);
|
|
if (firstChar == ISO8601_UTC || firstChar == (UChar)(ISO8601_UTC + 0x20)) {
|
|
// "Z" (or "z") - indicates UTC
|
|
pos.setIndex(start + 1);
|
|
return 0;
|
|
}
|
|
|
|
int32_t sign = 1;
|
|
if (firstChar == PLUS) {
|
|
sign = 1;
|
|
} else if (firstChar == MINUS) {
|
|
sign = -1;
|
|
} else {
|
|
// Not an ISO 8601 offset string
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
ParsePosition posOffset(start + 1);
|
|
int32_t offset = parseAsciiOffsetFields(text, posOffset, ISO8601_SEP, FIELDS_H, FIELDS_HMS);
|
|
if (posOffset.getErrorIndex() == -1 && !extendedOnly && (posOffset.getIndex() - start <= 3)) {
|
|
// If the text is successfully parsed as extended format with the options above, it can be also parsed
|
|
// as basic format. For example, "0230" can be parsed as offset 2:00 (only first digits are valid for
|
|
// extended format), but it can be parsed as offset 2:30 with basic format. We use longer result.
|
|
ParsePosition posBasic(start + 1);
|
|
int32_t tmpOffset = parseAbuttingAsciiOffsetFields(text, posBasic, FIELDS_H, FIELDS_HMS, FALSE);
|
|
if (posBasic.getErrorIndex() == -1 && posBasic.getIndex() > posOffset.getIndex()) {
|
|
offset = tmpOffset;
|
|
posOffset.setIndex(posBasic.getIndex());
|
|
}
|
|
}
|
|
|
|
if (posOffset.getErrorIndex() != -1) {
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
|
|
pos.setIndex(posOffset.getIndex());
|
|
if (hasDigitOffset) {
|
|
*hasDigitOffset = TRUE;
|
|
}
|
|
return sign * offset;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetLocalizedGMT(const UnicodeString& text, ParsePosition& pos, UBool isShort, UBool* hasDigitOffset) const {
|
|
int32_t start = pos.getIndex();
|
|
int32_t offset = 0;
|
|
int32_t parsedLength = 0;
|
|
|
|
if (hasDigitOffset) {
|
|
*hasDigitOffset = FALSE;
|
|
}
|
|
|
|
offset = parseOffsetLocalizedGMTPattern(text, start, isShort, parsedLength);
|
|
|
|
// For now, parseOffsetLocalizedGMTPattern handles both long and short
|
|
// formats, no matter isShort is true or false. This might be changed in future
|
|
// when strict parsing is necessary, or different set of patterns are used for
|
|
// short/long formats.
|
|
#if 0
|
|
if (parsedLength == 0) {
|
|
offset = parseOffsetLocalizedGMTPattern(text, start, !isShort, parsedLength);
|
|
}
|
|
#endif
|
|
|
|
if (parsedLength > 0) {
|
|
if (hasDigitOffset) {
|
|
*hasDigitOffset = TRUE;
|
|
}
|
|
pos.setIndex(start + parsedLength);
|
|
return offset;
|
|
}
|
|
|
|
// Try the default patterns
|
|
offset = parseOffsetDefaultLocalizedGMT(text, start, parsedLength);
|
|
if (parsedLength > 0) {
|
|
if (hasDigitOffset) {
|
|
*hasDigitOffset = TRUE;
|
|
}
|
|
pos.setIndex(start + parsedLength);
|
|
return offset;
|
|
}
|
|
|
|
// Check if this is a GMT zero format
|
|
if (text.caseCompare(start, fGMTZeroFormat.length(), fGMTZeroFormat, 0) == 0) {
|
|
pos.setIndex(start + fGMTZeroFormat.length());
|
|
return 0;
|
|
}
|
|
|
|
// Check if this is a default GMT zero format
|
|
for (int32_t i = 0; ALT_GMT_STRINGS[i][0] != 0; i++) {
|
|
const UChar* defGMTZero = ALT_GMT_STRINGS[i];
|
|
int32_t defGMTZeroLen = u_strlen(defGMTZero);
|
|
if (text.caseCompare(start, defGMTZeroLen, defGMTZero, 0) == 0) {
|
|
pos.setIndex(start + defGMTZeroLen);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// Nothing matched
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetLocalizedGMTPattern(const UnicodeString& text, int32_t start, UBool /*isShort*/, int32_t& parsedLen) const {
|
|
int32_t idx = start;
|
|
int32_t offset = 0;
|
|
UBool parsed = FALSE;
|
|
|
|
do {
|
|
// Prefix part
|
|
int32_t len = fGMTPatternPrefix.length();
|
|
if (len > 0 && text.caseCompare(idx, len, fGMTPatternPrefix, 0) != 0) {
|
|
// prefix match failed
|
|
break;
|
|
}
|
|
idx += len;
|
|
|
|
// Offset part
|
|
offset = parseOffsetFields(text, idx, FALSE, len);
|
|
if (len == 0) {
|
|
// offset field match failed
|
|
break;
|
|
}
|
|
idx += len;
|
|
|
|
len = fGMTPatternSuffix.length();
|
|
if (len > 0 && text.caseCompare(idx, len, fGMTPatternSuffix, 0) != 0) {
|
|
// no suffix match
|
|
break;
|
|
}
|
|
idx += len;
|
|
parsed = TRUE;
|
|
} while (FALSE);
|
|
|
|
parsedLen = parsed ? idx - start : 0;
|
|
return offset;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetFields(const UnicodeString& text, int32_t start, UBool /*isShort*/, int32_t& parsedLen) const {
|
|
int32_t outLen = 0;
|
|
int32_t offset = 0;
|
|
int32_t sign = 1;
|
|
|
|
parsedLen = 0;
|
|
|
|
int32_t offsetH, offsetM, offsetS;
|
|
offsetH = offsetM = offsetS = 0;
|
|
|
|
for (int32_t patidx = 0; PARSE_GMT_OFFSET_TYPES[patidx] >= 0; patidx++) {
|
|
int32_t gmtPatType = PARSE_GMT_OFFSET_TYPES[patidx];
|
|
UVector* items = fGMTOffsetPatternItems[gmtPatType];
|
|
U_ASSERT(items != NULL);
|
|
|
|
outLen = parseOffsetFieldsWithPattern(text, start, items, FALSE, offsetH, offsetM, offsetS);
|
|
if (outLen > 0) {
|
|
sign = (gmtPatType == UTZFMT_PAT_POSITIVE_H || gmtPatType == UTZFMT_PAT_POSITIVE_HM || gmtPatType == UTZFMT_PAT_POSITIVE_HMS) ?
|
|
1 : -1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (outLen > 0 && fAbuttingOffsetHoursAndMinutes) {
|
|
// When hours field is sabutting minutes field,
|
|
// the parse result above may not be appropriate.
|
|
// For example, "01020" is parsed as 01:02: above,
|
|
// but it should be parsed as 00:10:20.
|
|
int32_t tmpLen = 0;
|
|
int32_t tmpSign = 1;
|
|
int32_t tmpH = 0;
|
|
int32_t tmpM = 0;
|
|
int32_t tmpS = 0;
|
|
|
|
for (int32_t patidx = 0; PARSE_GMT_OFFSET_TYPES[patidx] >= 0; patidx++) {
|
|
int32_t gmtPatType = PARSE_GMT_OFFSET_TYPES[patidx];
|
|
UVector* items = fGMTOffsetPatternItems[gmtPatType];
|
|
U_ASSERT(items != NULL);
|
|
|
|
// forcing parse to use single hour digit
|
|
tmpLen = parseOffsetFieldsWithPattern(text, start, items, TRUE, tmpH, tmpM, tmpS);
|
|
if (tmpLen > 0) {
|
|
tmpSign = (gmtPatType == UTZFMT_PAT_POSITIVE_H || gmtPatType == UTZFMT_PAT_POSITIVE_HM || gmtPatType == UTZFMT_PAT_POSITIVE_HMS) ?
|
|
1 : -1;
|
|
break;
|
|
}
|
|
}
|
|
if (tmpLen > outLen) {
|
|
// Better parse result with single hour digit
|
|
outLen = tmpLen;
|
|
sign = tmpSign;
|
|
offsetH = tmpH;
|
|
offsetM = tmpM;
|
|
offsetS = tmpS;
|
|
}
|
|
}
|
|
|
|
if (outLen > 0) {
|
|
offset = ((((offsetH * 60) + offsetM) * 60) + offsetS) * 1000 * sign;
|
|
parsedLen = outLen;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetFieldsWithPattern(const UnicodeString& text, int32_t start,
|
|
UVector* patternItems, UBool forceSingleHourDigit, int32_t& hour, int32_t& min, int32_t& sec) const {
|
|
UBool failed = FALSE;
|
|
int32_t offsetH, offsetM, offsetS;
|
|
offsetH = offsetM = offsetS = 0;
|
|
int32_t idx = start;
|
|
|
|
for (int32_t i = 0; i < patternItems->size(); i++) {
|
|
int32_t len = 0;
|
|
const GMTOffsetField* field = (const GMTOffsetField*)patternItems->elementAt(i);
|
|
GMTOffsetField::FieldType fieldType = field->getType();
|
|
if (fieldType == GMTOffsetField::TEXT) {
|
|
const UChar* patStr = field->getPatternText();
|
|
len = u_strlen(patStr);
|
|
if (i == 0) {
|
|
// When TimeZoneFormat parse() is called from SimpleDateFormat,
|
|
// leading space characters might be truncated. If the first pattern text
|
|
// starts with such character (e.g. Bidi control), then we need to
|
|
// skip the leading space characters.
|
|
if (idx < text.length() && !PatternProps::isWhiteSpace(text.char32At(idx))) {
|
|
while (len > 0) {
|
|
UChar32 ch;
|
|
int32_t chLen;
|
|
U16_GET(patStr, 0, 0, len, ch);
|
|
if (PatternProps::isWhiteSpace(ch)) {
|
|
chLen = U16_LENGTH(ch);
|
|
len -= chLen;
|
|
patStr += chLen;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (text.caseCompare(idx, len, patStr, 0) != 0) {
|
|
failed = TRUE;
|
|
break;
|
|
}
|
|
idx += len;
|
|
} else {
|
|
if (fieldType == GMTOffsetField::HOUR) {
|
|
uint8_t maxDigits = forceSingleHourDigit ? 1 : 2;
|
|
offsetH = parseOffsetFieldWithLocalizedDigits(text, idx, 1, maxDigits, 0, MAX_OFFSET_HOUR, len);
|
|
} else if (fieldType == GMTOffsetField::MINUTE) {
|
|
offsetM = parseOffsetFieldWithLocalizedDigits(text, idx, 2, 2, 0, MAX_OFFSET_MINUTE, len);
|
|
} else if (fieldType == GMTOffsetField::SECOND) {
|
|
offsetS = parseOffsetFieldWithLocalizedDigits(text, idx, 2, 2, 0, MAX_OFFSET_SECOND, len);
|
|
}
|
|
|
|
if (len == 0) {
|
|
failed = TRUE;
|
|
break;
|
|
}
|
|
idx += len;
|
|
}
|
|
}
|
|
|
|
if (failed) {
|
|
hour = min = sec = 0;
|
|
return 0;
|
|
}
|
|
|
|
hour = offsetH;
|
|
min = offsetM;
|
|
sec = offsetS;
|
|
|
|
return idx - start;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseAbuttingOffsetFields(const UnicodeString& text, int32_t start, int32_t& parsedLen) const {
|
|
int32_t digits[MAX_OFFSET_DIGITS];
|
|
int32_t parsed[MAX_OFFSET_DIGITS]; // accumulative offsets
|
|
|
|
// Parse digits into int[]
|
|
int32_t idx = start;
|
|
int32_t len = 0;
|
|
int32_t numDigits = 0;
|
|
for (int32_t i = 0; i < MAX_OFFSET_DIGITS; i++) {
|
|
digits[i] = parseSingleLocalizedDigit(text, idx, len);
|
|
if (digits[i] < 0) {
|
|
break;
|
|
}
|
|
idx += len;
|
|
parsed[i] = idx - start;
|
|
numDigits++;
|
|
}
|
|
|
|
if (numDigits == 0) {
|
|
parsedLen = 0;
|
|
return 0;
|
|
}
|
|
|
|
int32_t offset = 0;
|
|
while (numDigits > 0) {
|
|
int32_t hour = 0;
|
|
int32_t min = 0;
|
|
int32_t sec = 0;
|
|
|
|
U_ASSERT(numDigits > 0 && numDigits <= MAX_OFFSET_DIGITS);
|
|
switch (numDigits) {
|
|
case 1: // H
|
|
hour = digits[0];
|
|
break;
|
|
case 2: // HH
|
|
hour = digits[0] * 10 + digits[1];
|
|
break;
|
|
case 3: // Hmm
|
|
hour = digits[0];
|
|
min = digits[1] * 10 + digits[2];
|
|
break;
|
|
case 4: // HHmm
|
|
hour = digits[0] * 10 + digits[1];
|
|
min = digits[2] * 10 + digits[3];
|
|
break;
|
|
case 5: // Hmmss
|
|
hour = digits[0];
|
|
min = digits[1] * 10 + digits[2];
|
|
sec = digits[3] * 10 + digits[4];
|
|
break;
|
|
case 6: // HHmmss
|
|
hour = digits[0] * 10 + digits[1];
|
|
min = digits[2] * 10 + digits[3];
|
|
sec = digits[4] * 10 + digits[5];
|
|
break;
|
|
}
|
|
if (hour <= MAX_OFFSET_HOUR && min <= MAX_OFFSET_MINUTE && sec <= MAX_OFFSET_SECOND) {
|
|
// found a valid combination
|
|
offset = hour * MILLIS_PER_HOUR + min * MILLIS_PER_MINUTE + sec * MILLIS_PER_SECOND;
|
|
parsedLen = parsed[numDigits - 1];
|
|
break;
|
|
}
|
|
numDigits--;
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetDefaultLocalizedGMT(const UnicodeString& text, int start, int32_t& parsedLen) const {
|
|
int32_t idx = start;
|
|
int32_t offset = 0;
|
|
int32_t parsed = 0;
|
|
|
|
do {
|
|
// check global default GMT alternatives
|
|
int32_t gmtLen = 0;
|
|
|
|
for (int32_t i = 0; ALT_GMT_STRINGS[i][0] != 0; i++) {
|
|
const UChar* gmt = ALT_GMT_STRINGS[i];
|
|
int32_t len = u_strlen(gmt);
|
|
if (text.caseCompare(start, len, gmt, 0) == 0) {
|
|
gmtLen = len;
|
|
break;
|
|
}
|
|
}
|
|
if (gmtLen == 0) {
|
|
break;
|
|
}
|
|
idx += gmtLen;
|
|
|
|
// offset needs a sign char and a digit at minimum
|
|
if (idx + 1 >= text.length()) {
|
|
break;
|
|
}
|
|
|
|
// parse sign
|
|
int32_t sign = 1;
|
|
UChar c = text.charAt(idx);
|
|
if (c == PLUS) {
|
|
sign = 1;
|
|
} else if (c == MINUS) {
|
|
sign = -1;
|
|
} else {
|
|
break;
|
|
}
|
|
idx++;
|
|
|
|
// offset part
|
|
// try the default pattern with the separator first
|
|
int32_t lenWithSep = 0;
|
|
int32_t offsetWithSep = parseDefaultOffsetFields(text, idx, DEFAULT_GMT_OFFSET_SEP, lenWithSep);
|
|
if (lenWithSep == text.length() - idx) {
|
|
// maximum match
|
|
offset = offsetWithSep * sign;
|
|
idx += lenWithSep;
|
|
} else {
|
|
// try abutting field pattern
|
|
int32_t lenAbut = 0;
|
|
int32_t offsetAbut = parseAbuttingOffsetFields(text, idx, lenAbut);
|
|
|
|
if (lenWithSep > lenAbut) {
|
|
offset = offsetWithSep * sign;
|
|
idx += lenWithSep;
|
|
} else {
|
|
offset = offsetAbut * sign;
|
|
idx += lenAbut;
|
|
}
|
|
}
|
|
parsed = idx - start;
|
|
} while (false);
|
|
|
|
parsedLen = parsed;
|
|
return offset;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseDefaultOffsetFields(const UnicodeString& text, int32_t start, UChar separator, int32_t& parsedLen) const {
|
|
int32_t max = text.length();
|
|
int32_t idx = start;
|
|
int32_t len = 0;
|
|
int32_t hour = 0, min = 0, sec = 0;
|
|
|
|
parsedLen = 0;
|
|
|
|
do {
|
|
hour = parseOffsetFieldWithLocalizedDigits(text, idx, 1, 2, 0, MAX_OFFSET_HOUR, len);
|
|
if (len == 0) {
|
|
break;
|
|
}
|
|
idx += len;
|
|
|
|
if (idx + 1 < max && text.charAt(idx) == separator) {
|
|
min = parseOffsetFieldWithLocalizedDigits(text, idx + 1, 2, 2, 0, MAX_OFFSET_MINUTE, len);
|
|
if (len == 0) {
|
|
break;
|
|
}
|
|
idx += (1 + len);
|
|
|
|
if (idx + 1 < max && text.charAt(idx) == separator) {
|
|
sec = parseOffsetFieldWithLocalizedDigits(text, idx + 1, 2, 2, 0, MAX_OFFSET_SECOND, len);
|
|
if (len == 0) {
|
|
break;
|
|
}
|
|
idx += (1 + len);
|
|
}
|
|
}
|
|
} while (FALSE);
|
|
|
|
if (idx == start) {
|
|
return 0;
|
|
}
|
|
|
|
parsedLen = idx - start;
|
|
return hour * MILLIS_PER_HOUR + min * MILLIS_PER_MINUTE + sec * MILLIS_PER_SECOND;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseOffsetFieldWithLocalizedDigits(const UnicodeString& text, int32_t start, uint8_t minDigits, uint8_t maxDigits, uint16_t minVal, uint16_t maxVal, int32_t& parsedLen) const {
|
|
parsedLen = 0;
|
|
|
|
int32_t decVal = 0;
|
|
int32_t numDigits = 0;
|
|
int32_t idx = start;
|
|
int32_t digitLen = 0;
|
|
|
|
while (idx < text.length() && numDigits < maxDigits) {
|
|
int32_t digit = parseSingleLocalizedDigit(text, idx, digitLen);
|
|
if (digit < 0) {
|
|
break;
|
|
}
|
|
int32_t tmpVal = decVal * 10 + digit;
|
|
if (tmpVal > maxVal) {
|
|
break;
|
|
}
|
|
decVal = tmpVal;
|
|
numDigits++;
|
|
idx += digitLen;
|
|
}
|
|
|
|
// Note: maxVal is checked in the while loop
|
|
if (numDigits < minDigits || decVal < minVal) {
|
|
decVal = -1;
|
|
numDigits = 0;
|
|
} else {
|
|
parsedLen = idx - start;
|
|
}
|
|
|
|
return decVal;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseSingleLocalizedDigit(const UnicodeString& text, int32_t start, int32_t& len) const {
|
|
int32_t digit = -1;
|
|
len = 0;
|
|
if (start < text.length()) {
|
|
UChar32 cp = text.char32At(start);
|
|
|
|
// First, try digits configured for this instance
|
|
for (int32_t i = 0; i < 10; i++) {
|
|
if (cp == fGMTOffsetDigits[i]) {
|
|
digit = i;
|
|
break;
|
|
}
|
|
}
|
|
// If failed, check if this is a Unicode digit
|
|
if (digit < 0) {
|
|
int32_t tmp = u_charDigitValue(cp);
|
|
digit = (tmp >= 0 && tmp <= 9) ? tmp : -1;
|
|
}
|
|
|
|
if (digit >= 0) {
|
|
int32_t next = text.moveIndex32(start, 1);
|
|
len = next - start;
|
|
}
|
|
}
|
|
return digit;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::formatOffsetWithAsciiDigits(int32_t offset, UChar sep, OffsetFields minFields, OffsetFields maxFields, UnicodeString& result) {
|
|
U_ASSERT(maxFields >= minFields);
|
|
U_ASSERT(offset > -MAX_OFFSET && offset < MAX_OFFSET);
|
|
|
|
UChar sign = PLUS;
|
|
if (offset < 0) {
|
|
sign = MINUS;
|
|
offset = -offset;
|
|
}
|
|
result.setTo(sign);
|
|
|
|
int fields[3];
|
|
fields[0] = offset / MILLIS_PER_HOUR;
|
|
offset = offset % MILLIS_PER_HOUR;
|
|
fields[1] = offset / MILLIS_PER_MINUTE;
|
|
offset = offset % MILLIS_PER_MINUTE;
|
|
fields[2] = offset / MILLIS_PER_SECOND;
|
|
|
|
U_ASSERT(fields[0] >= 0 && fields[0] <= MAX_OFFSET_HOUR);
|
|
U_ASSERT(fields[1] >= 0 && fields[1] <= MAX_OFFSET_MINUTE);
|
|
U_ASSERT(fields[2] >= 0 && fields[2] <= MAX_OFFSET_SECOND);
|
|
|
|
int32_t lastIdx = maxFields;
|
|
while (lastIdx > minFields) {
|
|
if (fields[lastIdx] != 0) {
|
|
break;
|
|
}
|
|
lastIdx--;
|
|
}
|
|
|
|
for (int32_t idx = 0; idx <= lastIdx; idx++) {
|
|
if (sep && idx != 0) {
|
|
result.append(sep);
|
|
}
|
|
result.append((UChar)(0x0030 + fields[idx]/10));
|
|
result.append((UChar)(0x0030 + fields[idx]%10));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseAbuttingAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, OffsetFields minFields, OffsetFields maxFields, UBool fixedHourWidth) {
|
|
int32_t start = pos.getIndex();
|
|
|
|
int32_t minDigits = 2 * (minFields + 1) - (fixedHourWidth ? 0 : 1);
|
|
int32_t maxDigits = 2 * (maxFields + 1);
|
|
|
|
U_ASSERT(maxDigits <= MAX_OFFSET_DIGITS);
|
|
|
|
int32_t digits[MAX_OFFSET_DIGITS] = {};
|
|
int32_t numDigits = 0;
|
|
int32_t idx = start;
|
|
while (numDigits < maxDigits && idx < text.length()) {
|
|
UChar uch = text.charAt(idx);
|
|
int32_t digit = DIGIT_VAL(uch);
|
|
if (digit < 0) {
|
|
break;
|
|
}
|
|
digits[numDigits] = digit;
|
|
numDigits++;
|
|
idx++;
|
|
}
|
|
|
|
if (fixedHourWidth && (numDigits & 1)) {
|
|
// Fixed digits, so the number of digits must be even number. Truncating.
|
|
numDigits--;
|
|
}
|
|
|
|
if (numDigits < minDigits) {
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
|
|
int32_t hour = 0, min = 0, sec = 0;
|
|
UBool bParsed = FALSE;
|
|
while (numDigits >= minDigits) {
|
|
switch (numDigits) {
|
|
case 1: //H
|
|
hour = digits[0];
|
|
break;
|
|
case 2: //HH
|
|
hour = digits[0] * 10 + digits[1];
|
|
break;
|
|
case 3: //Hmm
|
|
hour = digits[0];
|
|
min = digits[1] * 10 + digits[2];
|
|
break;
|
|
case 4: //HHmm
|
|
hour = digits[0] * 10 + digits[1];
|
|
min = digits[2] * 10 + digits[3];
|
|
break;
|
|
case 5: //Hmmss
|
|
hour = digits[0];
|
|
min = digits[1] * 10 + digits[2];
|
|
sec = digits[3] * 10 + digits[4];
|
|
break;
|
|
case 6: //HHmmss
|
|
hour = digits[0] * 10 + digits[1];
|
|
min = digits[2] * 10 + digits[3];
|
|
sec = digits[4] * 10 + digits[5];
|
|
break;
|
|
}
|
|
|
|
if (hour <= MAX_OFFSET_HOUR && min <= MAX_OFFSET_MINUTE && sec <= MAX_OFFSET_SECOND) {
|
|
// Successfully parsed
|
|
bParsed = true;
|
|
break;
|
|
}
|
|
|
|
// Truncating
|
|
numDigits -= (fixedHourWidth ? 2 : 1);
|
|
hour = min = sec = 0;
|
|
}
|
|
|
|
if (!bParsed) {
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
pos.setIndex(start + numDigits);
|
|
return ((((hour * 60) + min) * 60) + sec) * 1000;
|
|
}
|
|
|
|
int32_t
|
|
TimeZoneFormat::parseAsciiOffsetFields(const UnicodeString& text, ParsePosition& pos, UChar sep, OffsetFields minFields, OffsetFields maxFields) {
|
|
int32_t start = pos.getIndex();
|
|
int32_t fieldVal[] = {0, 0, 0};
|
|
int32_t fieldLen[] = {0, -1, -1};
|
|
for (int32_t idx = start, fieldIdx = 0; idx < text.length() && fieldIdx <= maxFields; idx++) {
|
|
UChar c = text.charAt(idx);
|
|
if (c == sep) {
|
|
if (fieldIdx == 0) {
|
|
if (fieldLen[0] == 0) {
|
|
// no hours field
|
|
break;
|
|
}
|
|
// 1 digit hour, move to next field
|
|
} else {
|
|
if (fieldLen[fieldIdx] != -1) {
|
|
// premature minute or seconds field
|
|
break;
|
|
}
|
|
fieldLen[fieldIdx] = 0;
|
|
}
|
|
continue;
|
|
} else if (fieldLen[fieldIdx] == -1) {
|
|
// no separator after 2 digit field
|
|
break;
|
|
}
|
|
int32_t digit = DIGIT_VAL(c);
|
|
if (digit < 0) {
|
|
// not a digit
|
|
break;
|
|
}
|
|
fieldVal[fieldIdx] = fieldVal[fieldIdx] * 10 + digit;
|
|
fieldLen[fieldIdx]++;
|
|
if (fieldLen[fieldIdx] >= 2) {
|
|
// parsed 2 digits, move to next field
|
|
fieldIdx++;
|
|
}
|
|
}
|
|
|
|
int32_t offset = 0;
|
|
int32_t parsedLen = 0;
|
|
int32_t parsedFields = -1;
|
|
do {
|
|
// hour
|
|
if (fieldLen[0] == 0) {
|
|
break;
|
|
}
|
|
if (fieldVal[0] > MAX_OFFSET_HOUR) {
|
|
offset = (fieldVal[0] / 10) * MILLIS_PER_HOUR;
|
|
parsedFields = FIELDS_H;
|
|
parsedLen = 1;
|
|
break;
|
|
}
|
|
offset = fieldVal[0] * MILLIS_PER_HOUR;
|
|
parsedLen = fieldLen[0];
|
|
parsedFields = FIELDS_H;
|
|
|
|
// minute
|
|
if (fieldLen[1] != 2 || fieldVal[1] > MAX_OFFSET_MINUTE) {
|
|
break;
|
|
}
|
|
offset += fieldVal[1] * MILLIS_PER_MINUTE;
|
|
parsedLen += (1 + fieldLen[1]);
|
|
parsedFields = FIELDS_HM;
|
|
|
|
// second
|
|
if (fieldLen[2] != 2 || fieldVal[2] > MAX_OFFSET_SECOND) {
|
|
break;
|
|
}
|
|
offset += fieldVal[2] * MILLIS_PER_SECOND;
|
|
parsedLen += (1 + fieldLen[2]);
|
|
parsedFields = FIELDS_HMS;
|
|
} while (false);
|
|
|
|
if (parsedFields < minFields) {
|
|
pos.setErrorIndex(start);
|
|
return 0;
|
|
}
|
|
|
|
pos.setIndex(start + parsedLen);
|
|
return offset;
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::appendOffsetDigits(UnicodeString& buf, int32_t n, uint8_t minDigits) const {
|
|
U_ASSERT(n >= 0 && n < 60);
|
|
int32_t numDigits = n >= 10 ? 2 : 1;
|
|
for (int32_t i = 0; i < minDigits - numDigits; i++) {
|
|
buf.append(fGMTOffsetDigits[0]);
|
|
}
|
|
if (numDigits == 2) {
|
|
buf.append(fGMTOffsetDigits[n / 10]);
|
|
}
|
|
buf.append(fGMTOffsetDigits[n % 10]);
|
|
}
|
|
|
|
// ------------------------------------------------------------------
|
|
// Private misc
|
|
void
|
|
TimeZoneFormat::initGMTPattern(const UnicodeString& gmtPattern, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
// This implementation not perfect, but sufficient practically.
|
|
int32_t idx = gmtPattern.indexOf(ARG0, ARG0_LEN, 0);
|
|
if (idx < 0) {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return;
|
|
}
|
|
fGMTPattern.setTo(gmtPattern);
|
|
unquote(gmtPattern.tempSubString(0, idx), fGMTPatternPrefix);
|
|
unquote(gmtPattern.tempSubString(idx + ARG0_LEN), fGMTPatternSuffix);
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::unquote(const UnicodeString& pattern, UnicodeString& result) {
|
|
if (pattern.indexOf(SINGLEQUOTE) < 0) {
|
|
result.setTo(pattern);
|
|
return result;
|
|
}
|
|
result.remove();
|
|
UBool isPrevQuote = FALSE;
|
|
UBool inQuote = FALSE;
|
|
for (int32_t i = 0; i < pattern.length(); i++) {
|
|
UChar c = pattern.charAt(i);
|
|
if (c == SINGLEQUOTE) {
|
|
if (isPrevQuote) {
|
|
result.append(c);
|
|
isPrevQuote = FALSE;
|
|
} else {
|
|
isPrevQuote = TRUE;
|
|
}
|
|
inQuote = !inQuote;
|
|
} else {
|
|
isPrevQuote = FALSE;
|
|
result.append(c);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
UVector*
|
|
TimeZoneFormat::parseOffsetPattern(const UnicodeString& pattern, OffsetFields required, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
UVector* result = new UVector(deleteGMTOffsetField, NULL, status);
|
|
if (result == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return NULL;
|
|
}
|
|
|
|
int32_t checkBits = 0;
|
|
UBool isPrevQuote = FALSE;
|
|
UBool inQuote = FALSE;
|
|
UChar textBuf[32];
|
|
UnicodeString text(textBuf, 0, UPRV_LENGTHOF(textBuf));
|
|
GMTOffsetField::FieldType itemType = GMTOffsetField::TEXT;
|
|
int32_t itemLength = 1;
|
|
|
|
for (int32_t i = 0; i < pattern.length(); i++) {
|
|
UChar ch = pattern.charAt(i);
|
|
if (ch == SINGLEQUOTE) {
|
|
if (isPrevQuote) {
|
|
text.append(SINGLEQUOTE);
|
|
isPrevQuote = FALSE;
|
|
} else {
|
|
isPrevQuote = TRUE;
|
|
if (itemType != GMTOffsetField::TEXT) {
|
|
if (GMTOffsetField::isValid(itemType, itemLength)) {
|
|
GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status);
|
|
result->addElementX(fld, status);
|
|
if (U_FAILURE(status)) {
|
|
break;
|
|
}
|
|
} else {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
break;
|
|
}
|
|
itemType = GMTOffsetField::TEXT;
|
|
}
|
|
}
|
|
inQuote = !inQuote;
|
|
} else {
|
|
isPrevQuote = FALSE;
|
|
if (inQuote) {
|
|
text.append(ch);
|
|
} else {
|
|
GMTOffsetField::FieldType tmpType = GMTOffsetField::getTypeByLetter(ch);
|
|
if (tmpType != GMTOffsetField::TEXT) {
|
|
// an offset time pattern character
|
|
if (tmpType == itemType) {
|
|
itemLength++;
|
|
} else {
|
|
if (itemType == GMTOffsetField::TEXT) {
|
|
if (text.length() > 0) {
|
|
GMTOffsetField* textfld = GMTOffsetField::createText(text, status);
|
|
result->addElementX(textfld, status);
|
|
if (U_FAILURE(status)) {
|
|
break;
|
|
}
|
|
text.remove();
|
|
}
|
|
} else {
|
|
if (GMTOffsetField::isValid(itemType, itemLength)) {
|
|
GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status);
|
|
result->addElementX(fld, status);
|
|
if (U_FAILURE(status)) {
|
|
break;
|
|
}
|
|
} else {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
break;
|
|
}
|
|
}
|
|
itemType = tmpType;
|
|
itemLength = 1;
|
|
checkBits |= tmpType;
|
|
}
|
|
} else {
|
|
// a string literal
|
|
if (itemType != GMTOffsetField::TEXT) {
|
|
if (GMTOffsetField::isValid(itemType, itemLength)) {
|
|
GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status);
|
|
result->addElementX(fld, status);
|
|
if (U_FAILURE(status)) {
|
|
break;
|
|
}
|
|
} else {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
break;
|
|
}
|
|
itemType = GMTOffsetField::TEXT;
|
|
}
|
|
text.append(ch);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// handle last item
|
|
if (U_SUCCESS(status)) {
|
|
if (itemType == GMTOffsetField::TEXT) {
|
|
if (text.length() > 0) {
|
|
GMTOffsetField* tfld = GMTOffsetField::createText(text, status);
|
|
result->addElementX(tfld, status);
|
|
}
|
|
} else {
|
|
if (GMTOffsetField::isValid(itemType, itemLength)) {
|
|
GMTOffsetField* fld = GMTOffsetField::createTimeField(itemType, static_cast<uint8_t>(itemLength), status);
|
|
result->addElementX(fld, status);
|
|
} else {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
}
|
|
}
|
|
|
|
// Check all required fields are set
|
|
if (U_SUCCESS(status)) {
|
|
int32_t reqBits = 0;
|
|
switch (required) {
|
|
case FIELDS_H:
|
|
reqBits = GMTOffsetField::HOUR;
|
|
break;
|
|
case FIELDS_HM:
|
|
reqBits = GMTOffsetField::HOUR | GMTOffsetField::MINUTE;
|
|
break;
|
|
case FIELDS_HMS:
|
|
reqBits = GMTOffsetField::HOUR | GMTOffsetField::MINUTE | GMTOffsetField::SECOND;
|
|
break;
|
|
}
|
|
if (checkBits == reqBits) {
|
|
// all required fields are set, no extra fields
|
|
return result;
|
|
}
|
|
}
|
|
}
|
|
|
|
// error
|
|
delete result;
|
|
return NULL;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::expandOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status) {
|
|
result.setToBogus();
|
|
if (U_FAILURE(status)) {
|
|
return result;
|
|
}
|
|
U_ASSERT(u_strlen(DEFAULT_GMT_OFFSET_MINUTE_PATTERN) == 2);
|
|
|
|
int32_t idx_mm = offsetHM.indexOf(DEFAULT_GMT_OFFSET_MINUTE_PATTERN, 2, 0);
|
|
if (idx_mm < 0) {
|
|
// Bad time zone hour pattern data
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
|
|
UnicodeString sep;
|
|
int32_t idx_H = offsetHM.tempSubString(0, idx_mm).lastIndexOf((UChar)0x0048 /* H */);
|
|
if (idx_H >= 0) {
|
|
sep = offsetHM.tempSubString(idx_H + 1, idx_mm - (idx_H + 1));
|
|
}
|
|
result.setTo(offsetHM.tempSubString(0, idx_mm + 2));
|
|
result.append(sep);
|
|
result.append(DEFAULT_GMT_OFFSET_SECOND_PATTERN, -1);
|
|
result.append(offsetHM.tempSubString(idx_mm + 2));
|
|
return result;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::truncateOffsetPattern(const UnicodeString& offsetHM, UnicodeString& result, UErrorCode& status) {
|
|
result.setToBogus();
|
|
if (U_FAILURE(status)) {
|
|
return result;
|
|
}
|
|
U_ASSERT(u_strlen(DEFAULT_GMT_OFFSET_MINUTE_PATTERN) == 2);
|
|
|
|
int32_t idx_mm = offsetHM.indexOf(DEFAULT_GMT_OFFSET_MINUTE_PATTERN, 2, 0);
|
|
if (idx_mm < 0) {
|
|
// Bad time zone hour pattern data
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
UChar HH[] = {0x0048, 0x0048};
|
|
int32_t idx_HH = offsetHM.tempSubString(0, idx_mm).lastIndexOf(HH, 2, 0);
|
|
if (idx_HH >= 0) {
|
|
return result.setTo(offsetHM.tempSubString(0, idx_HH + 2));
|
|
}
|
|
int32_t idx_H = offsetHM.tempSubString(0, idx_mm).lastIndexOf((UChar)0x0048, 0);
|
|
if (idx_H >= 0) {
|
|
return result.setTo(offsetHM.tempSubString(0, idx_H + 1));
|
|
}
|
|
// Bad time zone hour pattern data
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
return result;
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::initGMTOffsetPatterns(UErrorCode& status) {
|
|
for (int32_t type = 0; type < UTZFMT_PAT_COUNT; type++) {
|
|
switch (type) {
|
|
case UTZFMT_PAT_POSITIVE_H:
|
|
case UTZFMT_PAT_NEGATIVE_H:
|
|
fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_H, status);
|
|
break;
|
|
case UTZFMT_PAT_POSITIVE_HM:
|
|
case UTZFMT_PAT_NEGATIVE_HM:
|
|
fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_HM, status);
|
|
break;
|
|
case UTZFMT_PAT_POSITIVE_HMS:
|
|
case UTZFMT_PAT_NEGATIVE_HMS:
|
|
fGMTOffsetPatternItems[type] = parseOffsetPattern(fGMTOffsetPatterns[type], FIELDS_HMS, status);
|
|
break;
|
|
}
|
|
}
|
|
checkAbuttingHoursAndMinutes();
|
|
}
|
|
|
|
void
|
|
TimeZoneFormat::checkAbuttingHoursAndMinutes() {
|
|
fAbuttingOffsetHoursAndMinutes= FALSE;
|
|
for (int32_t type = 0; type < UTZFMT_PAT_COUNT; type++) {
|
|
UBool afterH = FALSE;
|
|
UVector *items = fGMTOffsetPatternItems[type];
|
|
for (int32_t i = 0; i < items->size(); i++) {
|
|
const GMTOffsetField* item = (GMTOffsetField*)items->elementAt(i);
|
|
GMTOffsetField::FieldType fieldType = item->getType();
|
|
if (fieldType != GMTOffsetField::TEXT) {
|
|
if (afterH) {
|
|
fAbuttingOffsetHoursAndMinutes = TRUE;
|
|
break;
|
|
} else if (fieldType == GMTOffsetField::HOUR) {
|
|
afterH = TRUE;
|
|
}
|
|
} else if (afterH) {
|
|
break;
|
|
}
|
|
}
|
|
if (fAbuttingOffsetHoursAndMinutes) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
UBool
|
|
TimeZoneFormat::toCodePoints(const UnicodeString& str, UChar32* codeArray, int32_t size) {
|
|
int32_t count = str.countChar32();
|
|
if (count != size) {
|
|
return FALSE;
|
|
}
|
|
|
|
for (int32_t idx = 0, start = 0; idx < size; idx++) {
|
|
codeArray[idx] = str.char32At(start);
|
|
start = str.moveIndex32(start, 1);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
TimeZone*
|
|
TimeZoneFormat::createTimeZoneForOffset(int32_t offset) const {
|
|
if (offset == 0) {
|
|
// when offset is 0, we should use "Etc/GMT"
|
|
return TimeZone::createTimeZone(UnicodeString(TRUE, TZID_GMT, -1));
|
|
}
|
|
return ZoneMeta::createCustomTimeZone(offset);
|
|
}
|
|
|
|
UTimeZoneFormatTimeType
|
|
TimeZoneFormat::getTimeType(UTimeZoneNameType nameType) {
|
|
switch (nameType) {
|
|
case UTZNM_LONG_STANDARD:
|
|
case UTZNM_SHORT_STANDARD:
|
|
return UTZFMT_TIME_TYPE_STANDARD;
|
|
|
|
case UTZNM_LONG_DAYLIGHT:
|
|
case UTZNM_SHORT_DAYLIGHT:
|
|
return UTZFMT_TIME_TYPE_DAYLIGHT;
|
|
|
|
default:
|
|
return UTZFMT_TIME_TYPE_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::getTimeZoneID(const TimeZoneNames::MatchInfoCollection* matches, int32_t idx, UnicodeString& tzID) const {
|
|
if (!matches->getTimeZoneIDAt(idx, tzID)) {
|
|
UChar mzIDBuf[32];
|
|
UnicodeString mzID(mzIDBuf, 0, UPRV_LENGTHOF(mzIDBuf));
|
|
if (matches->getMetaZoneIDAt(idx, mzID)) {
|
|
fTimeZoneNames->getReferenceZoneID(mzID, fTargetRegion, tzID);
|
|
}
|
|
}
|
|
return tzID;
|
|
}
|
|
|
|
|
|
class ZoneIdMatchHandler : public TextTrieMapSearchResultHandler {
|
|
public:
|
|
ZoneIdMatchHandler();
|
|
virtual ~ZoneIdMatchHandler();
|
|
|
|
UBool handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) override;
|
|
const UChar* getID();
|
|
int32_t getMatchLen();
|
|
private:
|
|
int32_t fLen;
|
|
const UChar* fID;
|
|
};
|
|
|
|
ZoneIdMatchHandler::ZoneIdMatchHandler()
|
|
: fLen(0), fID(NULL) {
|
|
}
|
|
|
|
ZoneIdMatchHandler::~ZoneIdMatchHandler() {
|
|
}
|
|
|
|
UBool
|
|
ZoneIdMatchHandler::handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) {
|
|
if (U_FAILURE(status)) {
|
|
return FALSE;
|
|
}
|
|
if (node->hasValues()) {
|
|
const UChar* id = (const UChar*)node->getValue(0);
|
|
if (id != NULL) {
|
|
if (fLen < matchLength) {
|
|
fID = id;
|
|
fLen = matchLength;
|
|
}
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
const UChar*
|
|
ZoneIdMatchHandler::getID() {
|
|
return fID;
|
|
}
|
|
|
|
int32_t
|
|
ZoneIdMatchHandler::getMatchLen() {
|
|
return fLen;
|
|
}
|
|
|
|
|
|
static void U_CALLCONV initZoneIdTrie(UErrorCode &status) {
|
|
U_ASSERT(gZoneIdTrie == NULL);
|
|
ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONEFORMAT, tzfmt_cleanup);
|
|
gZoneIdTrie = new TextTrieMap(TRUE, NULL); // No deleter, because values are pooled by ZoneMeta
|
|
if (gZoneIdTrie == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return;
|
|
}
|
|
StringEnumeration *tzenum = TimeZone::createEnumeration(status);
|
|
if (U_SUCCESS(status)) {
|
|
const UnicodeString *id;
|
|
while ((id = tzenum->snext(status)) != NULL) {
|
|
const UChar* uid = ZoneMeta::findTimeZoneID(*id);
|
|
if (uid) {
|
|
gZoneIdTrie->put(uid, const_cast<UChar *>(uid), status);
|
|
}
|
|
}
|
|
delete tzenum;
|
|
}
|
|
}
|
|
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::parseZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
umtx_initOnce(gZoneIdTrieInitOnce, &initZoneIdTrie, status);
|
|
|
|
int32_t start = pos.getIndex();
|
|
int32_t len = 0;
|
|
tzID.setToBogus();
|
|
|
|
if (U_SUCCESS(status)) {
|
|
LocalPointer<ZoneIdMatchHandler> handler(new ZoneIdMatchHandler());
|
|
gZoneIdTrie->search(text, start, handler.getAlias(), status);
|
|
len = handler->getMatchLen();
|
|
if (len > 0) {
|
|
tzID.setTo(handler->getID(), -1);
|
|
}
|
|
}
|
|
|
|
if (len > 0) {
|
|
pos.setIndex(start + len);
|
|
} else {
|
|
pos.setErrorIndex(start);
|
|
}
|
|
|
|
return tzID;
|
|
}
|
|
|
|
static void U_CALLCONV initShortZoneIdTrie(UErrorCode &status) {
|
|
U_ASSERT(gShortZoneIdTrie == NULL);
|
|
ucln_i18n_registerCleanup(UCLN_I18N_TIMEZONEFORMAT, tzfmt_cleanup);
|
|
StringEnumeration *tzenum = TimeZone::createTimeZoneIDEnumeration(UCAL_ZONE_TYPE_CANONICAL, NULL, NULL, status);
|
|
if (U_SUCCESS(status)) {
|
|
gShortZoneIdTrie = new TextTrieMap(TRUE, NULL); // No deleter, because values are pooled by ZoneMeta
|
|
if (gShortZoneIdTrie == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
} else {
|
|
const UnicodeString *id;
|
|
while ((id = tzenum->snext(status)) != NULL) {
|
|
const UChar* uID = ZoneMeta::findTimeZoneID(*id);
|
|
const UChar* shortID = ZoneMeta::getShortID(*id);
|
|
if (shortID && uID) {
|
|
gShortZoneIdTrie->put(shortID, const_cast<UChar *>(uID), status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delete tzenum;
|
|
}
|
|
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::parseShortZoneID(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
umtx_initOnce(gShortZoneIdTrieInitOnce, &initShortZoneIdTrie, status);
|
|
|
|
int32_t start = pos.getIndex();
|
|
int32_t len = 0;
|
|
tzID.setToBogus();
|
|
|
|
if (U_SUCCESS(status)) {
|
|
LocalPointer<ZoneIdMatchHandler> handler(new ZoneIdMatchHandler());
|
|
gShortZoneIdTrie->search(text, start, handler.getAlias(), status);
|
|
len = handler->getMatchLen();
|
|
if (len > 0) {
|
|
tzID.setTo(handler->getID(), -1);
|
|
}
|
|
}
|
|
|
|
if (len > 0) {
|
|
pos.setIndex(start + len);
|
|
} else {
|
|
pos.setErrorIndex(start);
|
|
}
|
|
|
|
return tzID;
|
|
}
|
|
|
|
|
|
UnicodeString&
|
|
TimeZoneFormat::parseExemplarLocation(const UnicodeString& text, ParsePosition& pos, UnicodeString& tzID) const {
|
|
int32_t startIdx = pos.getIndex();
|
|
int32_t parsedPos = -1;
|
|
tzID.setToBogus();
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
LocalPointer<TimeZoneNames::MatchInfoCollection> exemplarMatches(fTimeZoneNames->find(text, startIdx, UTZNM_EXEMPLAR_LOCATION, status));
|
|
if (U_FAILURE(status)) {
|
|
pos.setErrorIndex(startIdx);
|
|
return tzID;
|
|
}
|
|
int32_t matchIdx = -1;
|
|
if (!exemplarMatches.isNull()) {
|
|
for (int32_t i = 0; i < exemplarMatches->size(); i++) {
|
|
if (startIdx + exemplarMatches->getMatchLengthAt(i) > parsedPos) {
|
|
matchIdx = i;
|
|
parsedPos = startIdx + exemplarMatches->getMatchLengthAt(i);
|
|
}
|
|
}
|
|
if (parsedPos > 0) {
|
|
pos.setIndex(parsedPos);
|
|
getTimeZoneID(exemplarMatches.getAlias(), matchIdx, tzID);
|
|
}
|
|
}
|
|
|
|
if (tzID.length() == 0) {
|
|
pos.setErrorIndex(startIdx);
|
|
}
|
|
|
|
return tzID;
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif
|