653 lines
28 KiB
C++
653 lines
28 KiB
C++
/*
|
|
*******************************************************************************
|
|
* Copyright (C) 1997-2015, International Business Machines Corporation and *
|
|
* others. All Rights Reserved. *
|
|
*******************************************************************************
|
|
*/
|
|
|
|
#include "uassert.h"
|
|
#include "decimalformatpattern.h"
|
|
|
|
#if !UCONFIG_NO_FORMATTING
|
|
|
|
#include "unicode/dcfmtsym.h"
|
|
#include "unicode/format.h"
|
|
#include "unicode/utf16.h"
|
|
#include "decimalformatpatternimpl.h"
|
|
|
|
|
|
#ifdef FMT_DEBUG
|
|
#define debug(x) printf("%s:%d: %s\n", __FILE__,__LINE__, x);
|
|
#else
|
|
#define debug(x)
|
|
#endif
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
// TODO: Travis Keep: Copied from numfmt.cpp
|
|
static int32_t kDoubleIntegerDigits = 309;
|
|
static int32_t kDoubleFractionDigits = 340;
|
|
|
|
|
|
// TODO: Travis Keep: Copied from numfmt.cpp
|
|
static int32_t gDefaultMaxIntegerDigits = 2000000000;
|
|
|
|
// TODO: Travis Keep: This function was copied from format.cpp
|
|
static void syntaxError(const UnicodeString& pattern,
|
|
int32_t pos,
|
|
UParseError& parseError) {
|
|
parseError.offset = pos;
|
|
parseError.line=0; // we are not using line number
|
|
|
|
// for pre-context
|
|
int32_t start = (pos < U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1
|
|
/* subtract 1 so that we have room for null*/));
|
|
int32_t stop = pos;
|
|
pattern.extract(start,stop-start,parseError.preContext,0);
|
|
//null terminate the buffer
|
|
parseError.preContext[stop-start] = 0;
|
|
|
|
//for post-context
|
|
start = pos+1;
|
|
stop = ((pos+U_PARSE_CONTEXT_LEN)<=pattern.length()) ? (pos+(U_PARSE_CONTEXT_LEN-1)) :
|
|
pattern.length();
|
|
pattern.extract(start,stop-start,parseError.postContext,0);
|
|
//null terminate the buffer
|
|
parseError.postContext[stop-start]= 0;
|
|
}
|
|
|
|
DecimalFormatPattern::DecimalFormatPattern()
|
|
: fMinimumIntegerDigits(1),
|
|
fMaximumIntegerDigits(gDefaultMaxIntegerDigits),
|
|
fMinimumFractionDigits(0),
|
|
fMaximumFractionDigits(3),
|
|
fUseSignificantDigits(FALSE),
|
|
fMinimumSignificantDigits(1),
|
|
fMaximumSignificantDigits(6),
|
|
fUseExponentialNotation(FALSE),
|
|
fMinExponentDigits(0),
|
|
fExponentSignAlwaysShown(FALSE),
|
|
fCurrencySignCount(fgCurrencySignCountZero),
|
|
fGroupingUsed(TRUE),
|
|
fGroupingSize(0),
|
|
fGroupingSize2(0),
|
|
fMultiplier(1),
|
|
fDecimalSeparatorAlwaysShown(FALSE),
|
|
fFormatWidth(0),
|
|
fRoundingIncrementUsed(FALSE),
|
|
fRoundingIncrement(),
|
|
fPad(kDefaultPad),
|
|
fNegPatternsBogus(TRUE),
|
|
fPosPatternsBogus(TRUE),
|
|
fNegPrefixPattern(),
|
|
fNegSuffixPattern(),
|
|
fPosPrefixPattern(),
|
|
fPosSuffixPattern(),
|
|
fPadPosition(DecimalFormatPattern::kPadBeforePrefix) {
|
|
}
|
|
|
|
|
|
DecimalFormatPatternParser::DecimalFormatPatternParser() :
|
|
fZeroDigit(kPatternZeroDigit),
|
|
fSigDigit(kPatternSignificantDigit),
|
|
fGroupingSeparator((UChar)kPatternGroupingSeparator),
|
|
fDecimalSeparator((UChar)kPatternDecimalSeparator),
|
|
fPercent((UChar)kPatternPercent),
|
|
fPerMill((UChar)kPatternPerMill),
|
|
fDigit((UChar)kPatternDigit),
|
|
fSeparator((UChar)kPatternSeparator),
|
|
fExponent((UChar)kPatternExponent),
|
|
fPlus((UChar)kPatternPlus),
|
|
fMinus((UChar)kPatternMinus),
|
|
fPadEscape((UChar)kPatternPadEscape) {
|
|
}
|
|
|
|
void DecimalFormatPatternParser::useSymbols(
|
|
const DecimalFormatSymbols& symbols) {
|
|
fZeroDigit = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kZeroDigitSymbol).char32At(0);
|
|
fSigDigit = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kSignificantDigitSymbol).char32At(0);
|
|
fGroupingSeparator = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kGroupingSeparatorSymbol);
|
|
fDecimalSeparator = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kDecimalSeparatorSymbol);
|
|
fPercent = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kPercentSymbol);
|
|
fPerMill = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kPerMillSymbol);
|
|
fDigit = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kDigitSymbol);
|
|
fSeparator = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kPatternSeparatorSymbol);
|
|
fExponent = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kExponentialSymbol);
|
|
fPlus = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kPlusSignSymbol);
|
|
fMinus = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kMinusSignSymbol);
|
|
fPadEscape = symbols.getConstSymbol(
|
|
DecimalFormatSymbols::kPadEscapeSymbol);
|
|
}
|
|
|
|
void
|
|
DecimalFormatPatternParser::applyPatternWithoutExpandAffix(
|
|
const UnicodeString& pattern,
|
|
DecimalFormatPattern& out,
|
|
UParseError& parseError,
|
|
UErrorCode& status) {
|
|
if (U_FAILURE(status))
|
|
{
|
|
return;
|
|
}
|
|
out = DecimalFormatPattern();
|
|
|
|
// Clear error struct
|
|
parseError.offset = -1;
|
|
parseError.preContext[0] = parseError.postContext[0] = (UChar)0;
|
|
|
|
// TODO: Travis Keep: This won't always work.
|
|
UChar nineDigit = (UChar)(fZeroDigit + 9);
|
|
int32_t digitLen = fDigit.length();
|
|
int32_t groupSepLen = fGroupingSeparator.length();
|
|
int32_t decimalSepLen = fDecimalSeparator.length();
|
|
|
|
int32_t pos = 0;
|
|
int32_t patLen = pattern.length();
|
|
// Part 0 is the positive pattern. Part 1, if present, is the negative
|
|
// pattern.
|
|
for (int32_t part=0; part<2 && pos<patLen; ++part) {
|
|
// The subpart ranges from 0 to 4: 0=pattern proper, 1=prefix,
|
|
// 2=suffix, 3=prefix in quote, 4=suffix in quote. Subpart 0 is
|
|
// between the prefix and suffix, and consists of pattern
|
|
// characters. In the prefix and suffix, percent, perMill, and
|
|
// currency symbols are recognized and translated.
|
|
int32_t subpart = 1, sub0Start = 0, sub0Limit = 0, sub2Limit = 0;
|
|
|
|
// It's important that we don't change any fields of this object
|
|
// prematurely. We set the following variables for the multiplier,
|
|
// grouping, etc., and then only change the actual object fields if
|
|
// everything parses correctly. This also lets us register
|
|
// the data from part 0 and ignore the part 1, except for the
|
|
// prefix and suffix.
|
|
UnicodeString prefix;
|
|
UnicodeString suffix;
|
|
int32_t decimalPos = -1;
|
|
int32_t multiplier = 1;
|
|
int32_t digitLeftCount = 0, zeroDigitCount = 0, digitRightCount = 0, sigDigitCount = 0;
|
|
int8_t groupingCount = -1;
|
|
int8_t groupingCount2 = -1;
|
|
int32_t padPos = -1;
|
|
UChar32 padChar = 0;
|
|
int32_t roundingPos = -1;
|
|
DigitList roundingInc;
|
|
int8_t expDigits = -1;
|
|
UBool expSignAlways = FALSE;
|
|
|
|
// The affix is either the prefix or the suffix.
|
|
UnicodeString* affix = &prefix;
|
|
|
|
int32_t start = pos;
|
|
UBool isPartDone = FALSE;
|
|
UChar32 ch;
|
|
|
|
for (; !isPartDone && pos < patLen; ) {
|
|
// Todo: account for surrogate pairs
|
|
ch = pattern.char32At(pos);
|
|
switch (subpart) {
|
|
case 0: // Pattern proper subpart (between prefix & suffix)
|
|
// Process the digits, decimal, and grouping characters. We
|
|
// record five pieces of information. We expect the digits
|
|
// to occur in the pattern ####00.00####, and we record the
|
|
// number of left digits, zero (central) digits, and right
|
|
// digits. The position of the last grouping character is
|
|
// recorded (should be somewhere within the first two blocks
|
|
// of characters), as is the position of the decimal point,
|
|
// if any (should be in the zero digits). If there is no
|
|
// decimal point, then there should be no right digits.
|
|
if (pattern.compare(pos, digitLen, fDigit) == 0) {
|
|
if (zeroDigitCount > 0 || sigDigitCount > 0) {
|
|
++digitRightCount;
|
|
} else {
|
|
++digitLeftCount;
|
|
}
|
|
if (groupingCount >= 0 && decimalPos < 0) {
|
|
++groupingCount;
|
|
}
|
|
pos += digitLen;
|
|
} else if ((ch >= fZeroDigit && ch <= nineDigit) ||
|
|
ch == fSigDigit) {
|
|
if (digitRightCount > 0) {
|
|
// Unexpected '0'
|
|
debug("Unexpected '0'")
|
|
status = U_UNEXPECTED_TOKEN;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
if (ch == fSigDigit) {
|
|
++sigDigitCount;
|
|
} else {
|
|
if (ch != fZeroDigit && roundingPos < 0) {
|
|
roundingPos = digitLeftCount + zeroDigitCount;
|
|
}
|
|
if (roundingPos >= 0) {
|
|
roundingInc.append((char)(ch - fZeroDigit + '0'));
|
|
}
|
|
++zeroDigitCount;
|
|
}
|
|
if (groupingCount >= 0 && decimalPos < 0) {
|
|
++groupingCount;
|
|
}
|
|
pos += U16_LENGTH(ch);
|
|
} else if (pattern.compare(pos, groupSepLen, fGroupingSeparator) == 0) {
|
|
if (decimalPos >= 0) {
|
|
// Grouping separator after decimal
|
|
debug("Grouping separator after decimal")
|
|
status = U_UNEXPECTED_TOKEN;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
groupingCount2 = groupingCount;
|
|
groupingCount = 0;
|
|
pos += groupSepLen;
|
|
} else if (pattern.compare(pos, decimalSepLen, fDecimalSeparator) == 0) {
|
|
if (decimalPos >= 0) {
|
|
// Multiple decimal separators
|
|
debug("Multiple decimal separators")
|
|
status = U_MULTIPLE_DECIMAL_SEPARATORS;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
// Intentionally incorporate the digitRightCount,
|
|
// even though it is illegal for this to be > 0
|
|
// at this point. We check pattern syntax below.
|
|
decimalPos = digitLeftCount + zeroDigitCount + digitRightCount;
|
|
pos += decimalSepLen;
|
|
} else {
|
|
if (pattern.compare(pos, fExponent.length(), fExponent) == 0) {
|
|
if (expDigits >= 0) {
|
|
// Multiple exponential symbols
|
|
debug("Multiple exponential symbols")
|
|
status = U_MULTIPLE_EXPONENTIAL_SYMBOLS;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
if (groupingCount >= 0) {
|
|
// Grouping separator in exponential pattern
|
|
debug("Grouping separator in exponential pattern")
|
|
status = U_MALFORMED_EXPONENTIAL_PATTERN;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
pos += fExponent.length();
|
|
// Check for positive prefix
|
|
if (pos < patLen
|
|
&& pattern.compare(pos, fPlus.length(), fPlus) == 0) {
|
|
expSignAlways = TRUE;
|
|
pos += fPlus.length();
|
|
}
|
|
// Use lookahead to parse out the exponential part of the
|
|
// pattern, then jump into suffix subpart.
|
|
expDigits = 0;
|
|
while (pos < patLen &&
|
|
pattern.char32At(pos) == fZeroDigit) {
|
|
++expDigits;
|
|
pos += U16_LENGTH(fZeroDigit);
|
|
}
|
|
|
|
// 1. Require at least one mantissa pattern digit
|
|
// 2. Disallow "#+ @" in mantissa
|
|
// 3. Require at least one exponent pattern digit
|
|
if (((digitLeftCount + zeroDigitCount) < 1 &&
|
|
(sigDigitCount + digitRightCount) < 1) ||
|
|
(sigDigitCount > 0 && digitLeftCount > 0) ||
|
|
expDigits < 1) {
|
|
// Malformed exponential pattern
|
|
debug("Malformed exponential pattern")
|
|
status = U_MALFORMED_EXPONENTIAL_PATTERN;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
}
|
|
// Transition to suffix subpart
|
|
subpart = 2; // suffix subpart
|
|
affix = &suffix;
|
|
sub0Limit = pos;
|
|
continue;
|
|
}
|
|
break;
|
|
case 1: // Prefix subpart
|
|
case 2: // Suffix subpart
|
|
// Process the prefix / suffix characters
|
|
// Process unquoted characters seen in prefix or suffix
|
|
// subpart.
|
|
|
|
// Several syntax characters implicitly begins the
|
|
// next subpart if we are in the prefix; otherwise
|
|
// they are illegal if unquoted.
|
|
if (!pattern.compare(pos, digitLen, fDigit) ||
|
|
!pattern.compare(pos, groupSepLen, fGroupingSeparator) ||
|
|
!pattern.compare(pos, decimalSepLen, fDecimalSeparator) ||
|
|
(ch >= fZeroDigit && ch <= nineDigit) ||
|
|
ch == fSigDigit) {
|
|
if (subpart == 1) { // prefix subpart
|
|
subpart = 0; // pattern proper subpart
|
|
sub0Start = pos; // Reprocess this character
|
|
continue;
|
|
} else {
|
|
status = U_UNQUOTED_SPECIAL;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
} else if (ch == kCurrencySign) {
|
|
affix->append(kQuote); // Encode currency
|
|
// Use lookahead to determine if the currency sign is
|
|
// doubled or not.
|
|
U_ASSERT(U16_LENGTH(kCurrencySign) == 1);
|
|
if ((pos+1) < pattern.length() && pattern[pos+1] == kCurrencySign) {
|
|
affix->append(kCurrencySign);
|
|
++pos; // Skip over the doubled character
|
|
if ((pos+1) < pattern.length() &&
|
|
pattern[pos+1] == kCurrencySign) {
|
|
affix->append(kCurrencySign);
|
|
++pos; // Skip over the doubled character
|
|
out.fCurrencySignCount = fgCurrencySignCountInPluralFormat;
|
|
} else {
|
|
out.fCurrencySignCount = fgCurrencySignCountInISOFormat;
|
|
}
|
|
} else {
|
|
out.fCurrencySignCount = fgCurrencySignCountInSymbolFormat;
|
|
}
|
|
// Fall through to append(ch)
|
|
} else if (ch == kQuote) {
|
|
// A quote outside quotes indicates either the opening
|
|
// quote or two quotes, which is a quote literal. That is,
|
|
// we have the first quote in 'do' or o''clock.
|
|
U_ASSERT(U16_LENGTH(kQuote) == 1);
|
|
++pos;
|
|
if (pos < pattern.length() && pattern[pos] == kQuote) {
|
|
affix->append(kQuote); // Encode quote
|
|
// Fall through to append(ch)
|
|
} else {
|
|
subpart += 2; // open quote
|
|
continue;
|
|
}
|
|
} else if (pattern.compare(pos, fSeparator.length(), fSeparator) == 0) {
|
|
// Don't allow separators in the prefix, and don't allow
|
|
// separators in the second pattern (part == 1).
|
|
if (subpart == 1 || part == 1) {
|
|
// Unexpected separator
|
|
debug("Unexpected separator")
|
|
status = U_UNEXPECTED_TOKEN;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
sub2Limit = pos;
|
|
isPartDone = TRUE; // Go to next part
|
|
pos += fSeparator.length();
|
|
break;
|
|
} else if (pattern.compare(pos, fPercent.length(), fPercent) == 0) {
|
|
// Next handle characters which are appended directly.
|
|
if (multiplier != 1) {
|
|
// Too many percent/perMill characters
|
|
debug("Too many percent characters")
|
|
status = U_MULTIPLE_PERCENT_SYMBOLS;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
affix->append(kQuote); // Encode percent/perMill
|
|
affix->append(kPatternPercent); // Use unlocalized pattern char
|
|
multiplier = 100;
|
|
pos += fPercent.length();
|
|
break;
|
|
} else if (pattern.compare(pos, fPerMill.length(), fPerMill) == 0) {
|
|
// Next handle characters which are appended directly.
|
|
if (multiplier != 1) {
|
|
// Too many percent/perMill characters
|
|
debug("Too many perMill characters")
|
|
status = U_MULTIPLE_PERMILL_SYMBOLS;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
affix->append(kQuote); // Encode percent/perMill
|
|
affix->append(kPatternPerMill); // Use unlocalized pattern char
|
|
multiplier = 1000;
|
|
pos += fPerMill.length();
|
|
break;
|
|
} else if (pattern.compare(pos, fPadEscape.length(), fPadEscape) == 0) {
|
|
if (padPos >= 0 || // Multiple pad specifiers
|
|
(pos+1) == pattern.length()) { // Nothing after padEscape
|
|
debug("Multiple pad specifiers")
|
|
status = U_MULTIPLE_PAD_SPECIFIERS;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
padPos = pos;
|
|
pos += fPadEscape.length();
|
|
padChar = pattern.char32At(pos);
|
|
pos += U16_LENGTH(padChar);
|
|
break;
|
|
} else if (pattern.compare(pos, fMinus.length(), fMinus) == 0) {
|
|
affix->append(kQuote); // Encode minus
|
|
affix->append(kPatternMinus);
|
|
pos += fMinus.length();
|
|
break;
|
|
} else if (pattern.compare(pos, fPlus.length(), fPlus) == 0) {
|
|
affix->append(kQuote); // Encode plus
|
|
affix->append(kPatternPlus);
|
|
pos += fPlus.length();
|
|
break;
|
|
}
|
|
// Unquoted, non-special characters fall through to here, as
|
|
// well as other code which needs to append something to the
|
|
// affix.
|
|
affix->append(ch);
|
|
pos += U16_LENGTH(ch);
|
|
break;
|
|
case 3: // Prefix subpart, in quote
|
|
case 4: // Suffix subpart, in quote
|
|
// A quote within quotes indicates either the closing
|
|
// quote or two quotes, which is a quote literal. That is,
|
|
// we have the second quote in 'do' or 'don''t'.
|
|
if (ch == kQuote) {
|
|
++pos;
|
|
if (pos < pattern.length() && pattern[pos] == kQuote) {
|
|
affix->append(kQuote); // Encode quote
|
|
// Fall through to append(ch)
|
|
} else {
|
|
subpart -= 2; // close quote
|
|
continue;
|
|
}
|
|
}
|
|
affix->append(ch);
|
|
pos += U16_LENGTH(ch);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (sub0Limit == 0) {
|
|
sub0Limit = pattern.length();
|
|
}
|
|
|
|
if (sub2Limit == 0) {
|
|
sub2Limit = pattern.length();
|
|
}
|
|
|
|
/* Handle patterns with no '0' pattern character. These patterns
|
|
* are legal, but must be recodified to make sense. "##.###" ->
|
|
* "#0.###". ".###" -> ".0##".
|
|
*
|
|
* We allow patterns of the form "####" to produce a zeroDigitCount
|
|
* of zero (got that?); although this seems like it might make it
|
|
* possible for format() to produce empty strings, format() checks
|
|
* for this condition and outputs a zero digit in this situation.
|
|
* Having a zeroDigitCount of zero yields a minimum integer digits
|
|
* of zero, which allows proper round-trip patterns. We don't want
|
|
* "#" to become "#0" when toPattern() is called (even though that's
|
|
* what it really is, semantically).
|
|
*/
|
|
if (zeroDigitCount == 0 && sigDigitCount == 0 &&
|
|
digitLeftCount > 0 && decimalPos >= 0) {
|
|
// Handle "###.###" and "###." and ".###"
|
|
int n = decimalPos;
|
|
if (n == 0)
|
|
++n; // Handle ".###"
|
|
digitRightCount = digitLeftCount - n;
|
|
digitLeftCount = n - 1;
|
|
zeroDigitCount = 1;
|
|
}
|
|
|
|
// Do syntax checking on the digits, decimal points, and quotes.
|
|
if ((decimalPos < 0 && digitRightCount > 0 && sigDigitCount == 0) ||
|
|
(decimalPos >= 0 &&
|
|
(sigDigitCount > 0 ||
|
|
decimalPos < digitLeftCount ||
|
|
decimalPos > (digitLeftCount + zeroDigitCount))) ||
|
|
groupingCount == 0 || groupingCount2 == 0 ||
|
|
(sigDigitCount > 0 && zeroDigitCount > 0) ||
|
|
subpart > 2)
|
|
{ // subpart > 2 == unmatched quote
|
|
debug("Syntax error")
|
|
status = U_PATTERN_SYNTAX_ERROR;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
|
|
// Make sure pad is at legal position before or after affix.
|
|
if (padPos >= 0) {
|
|
if (padPos == start) {
|
|
padPos = DecimalFormatPattern::kPadBeforePrefix;
|
|
} else if (padPos+2 == sub0Start) {
|
|
padPos = DecimalFormatPattern::kPadAfterPrefix;
|
|
} else if (padPos == sub0Limit) {
|
|
padPos = DecimalFormatPattern::kPadBeforeSuffix;
|
|
} else if (padPos+2 == sub2Limit) {
|
|
padPos = DecimalFormatPattern::kPadAfterSuffix;
|
|
} else {
|
|
// Illegal pad position
|
|
debug("Illegal pad position")
|
|
status = U_ILLEGAL_PAD_POSITION;
|
|
syntaxError(pattern,pos,parseError);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (part == 0) {
|
|
out.fPosPatternsBogus = FALSE;
|
|
out.fPosPrefixPattern = prefix;
|
|
out.fPosSuffixPattern = suffix;
|
|
out.fNegPatternsBogus = TRUE;
|
|
out.fNegPrefixPattern.remove();
|
|
out.fNegSuffixPattern.remove();
|
|
|
|
out.fUseExponentialNotation = (expDigits >= 0);
|
|
if (out.fUseExponentialNotation) {
|
|
out.fMinExponentDigits = expDigits;
|
|
}
|
|
out.fExponentSignAlwaysShown = expSignAlways;
|
|
int32_t digitTotalCount = digitLeftCount + zeroDigitCount + digitRightCount;
|
|
// The effectiveDecimalPos is the position the decimal is at or
|
|
// would be at if there is no decimal. Note that if
|
|
// decimalPos<0, then digitTotalCount == digitLeftCount +
|
|
// zeroDigitCount.
|
|
int32_t effectiveDecimalPos = decimalPos >= 0 ? decimalPos : digitTotalCount;
|
|
UBool isSigDig = (sigDigitCount > 0);
|
|
out.fUseSignificantDigits = isSigDig;
|
|
if (isSigDig) {
|
|
out.fMinimumSignificantDigits = sigDigitCount;
|
|
out.fMaximumSignificantDigits = sigDigitCount + digitRightCount;
|
|
} else {
|
|
int32_t minInt = effectiveDecimalPos - digitLeftCount;
|
|
out.fMinimumIntegerDigits = minInt;
|
|
out.fMaximumIntegerDigits = out.fUseExponentialNotation
|
|
? digitLeftCount + out.fMinimumIntegerDigits
|
|
: gDefaultMaxIntegerDigits;
|
|
out.fMaximumFractionDigits = decimalPos >= 0
|
|
? (digitTotalCount - decimalPos) : 0;
|
|
out.fMinimumFractionDigits = decimalPos >= 0
|
|
? (digitLeftCount + zeroDigitCount - decimalPos) : 0;
|
|
}
|
|
out.fGroupingUsed = groupingCount > 0;
|
|
out.fGroupingSize = (groupingCount > 0) ? groupingCount : 0;
|
|
out.fGroupingSize2 = (groupingCount2 > 0 && groupingCount2 != groupingCount)
|
|
? groupingCount2 : 0;
|
|
out.fMultiplier = multiplier;
|
|
out.fDecimalSeparatorAlwaysShown = decimalPos == 0
|
|
|| decimalPos == digitTotalCount;
|
|
if (padPos >= 0) {
|
|
out.fPadPosition = (DecimalFormatPattern::EPadPosition) padPos;
|
|
// To compute the format width, first set up sub0Limit -
|
|
// sub0Start. Add in prefix/suffix length later.
|
|
|
|
// fFormatWidth = prefix.length() + suffix.length() +
|
|
// sub0Limit - sub0Start;
|
|
out.fFormatWidth = sub0Limit - sub0Start;
|
|
out.fPad = padChar;
|
|
} else {
|
|
out.fFormatWidth = 0;
|
|
}
|
|
if (roundingPos >= 0) {
|
|
out.fRoundingIncrementUsed = TRUE;
|
|
roundingInc.setDecimalAt(effectiveDecimalPos - roundingPos);
|
|
out.fRoundingIncrement = roundingInc;
|
|
} else {
|
|
out.fRoundingIncrementUsed = FALSE;
|
|
}
|
|
} else {
|
|
out.fNegPatternsBogus = FALSE;
|
|
out.fNegPrefixPattern = prefix;
|
|
out.fNegSuffixPattern = suffix;
|
|
}
|
|
}
|
|
|
|
if (pattern.length() == 0) {
|
|
out.fNegPatternsBogus = TRUE;
|
|
out.fNegPrefixPattern.remove();
|
|
out.fNegSuffixPattern.remove();
|
|
out.fPosPatternsBogus = FALSE;
|
|
out.fPosPrefixPattern.remove();
|
|
out.fPosSuffixPattern.remove();
|
|
|
|
out.fMinimumIntegerDigits = 0;
|
|
out.fMaximumIntegerDigits = kDoubleIntegerDigits;
|
|
out.fMinimumFractionDigits = 0;
|
|
out.fMaximumFractionDigits = kDoubleFractionDigits;
|
|
|
|
out.fUseExponentialNotation = FALSE;
|
|
out.fCurrencySignCount = fgCurrencySignCountZero;
|
|
out.fGroupingUsed = FALSE;
|
|
out.fGroupingSize = 0;
|
|
out.fGroupingSize2 = 0;
|
|
out.fMultiplier = 1;
|
|
out.fDecimalSeparatorAlwaysShown = FALSE;
|
|
out.fFormatWidth = 0;
|
|
out.fRoundingIncrementUsed = FALSE;
|
|
}
|
|
|
|
// If there was no negative pattern, or if the negative pattern is
|
|
// identical to the positive pattern, then prepend the minus sign to the
|
|
// positive pattern to form the negative pattern.
|
|
if (out.fNegPatternsBogus ||
|
|
(out.fNegPrefixPattern == out.fPosPrefixPattern
|
|
&& out.fNegSuffixPattern == out.fPosSuffixPattern)) {
|
|
out.fNegPatternsBogus = FALSE;
|
|
out.fNegSuffixPattern = out.fPosSuffixPattern;
|
|
out.fNegPrefixPattern.remove();
|
|
out.fNegPrefixPattern.append(kQuote).append(kPatternMinus)
|
|
.append(out.fPosPrefixPattern);
|
|
}
|
|
// TODO: Deprecate/Remove out.fNegSuffixPattern and 3 other fields.
|
|
AffixPattern::parseAffixString(
|
|
out.fNegSuffixPattern, out.fNegSuffixAffix, status);
|
|
AffixPattern::parseAffixString(
|
|
out.fPosSuffixPattern, out.fPosSuffixAffix, status);
|
|
AffixPattern::parseAffixString(
|
|
out.fNegPrefixPattern, out.fNegPrefixAffix, status);
|
|
AffixPattern::parseAffixString(
|
|
out.fPosPrefixPattern, out.fPosPrefixAffix, status);
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif /* !UCONFIG_NO_FORMATTING */
|