ultimatepp/uppsrc/Core/Format.cpp
cxl 78ae0711ed CtrlLib: EditNumber fixed (thanks SenderGhost!) #491
git-svn-id: svn://ultimatepp.org/upp/trunk@6190 f0d560ea-af0d-0410-9eb7-867de7ffcac7
2013-07-14 07:38:15 +00:00

1225 lines
26 KiB
C++

#include "Core.h"
//#BLITZ_APPROVE
NAMESPACE_UPP
// Old format ---------------------------
String VFormat(const char *fmt, va_list ptr) {
int limit = 2 * (int)strlen(fmt) + 1024;
Buffer<char> buffer(limit);
vsprintf(buffer, fmt, ptr);
va_end(ptr);
int len = (int)strlen(buffer);
ASSERT(len <= limit);
return String(buffer, len);
}
// Formatting routines ---------------------------
String FormatIntBase(int i, int base, int width, char lpad, int sign, bool upper)
{
enum { BUFFER = sizeof(int) * 8 + 1 };
if(base < 2 || base > 36)
return "<invalid base>";
char buffer[BUFFER];
char *const e = buffer + (int)BUFFER;
char *p = e;
const char *itoc = upper ? "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" : "0123456789abcdefghijklmnopqrstuvwxyz";
if(sign < 0 || !IsNull(i))
{
unsigned x = i;
if(sign >= 0 && i < 0)
x = -i;
do
*--p = itoc[x % base];
while(x /= base);
}
bool minus = (sign >= 0 && i < 0 && !IsNull(i));
bool do_sign = (sign > 0 || sign >= 0 && minus);
if(do_sign && lpad != '0')
*--p = (minus ? '-' : '+');
if(width > e - p)
{
char *b = e - min<int>(width, BUFFER);
while(p > b)
*--p = lpad;
}
if(do_sign && lpad == '0')
*--p = (minus ? '-' : '+');
int dwd = (int)(e - p);
int pad = (width = max(width, dwd)) - dwd;
StringBuffer out(width);
char *o = out;
if(dwd < width)
memset(o, lpad, pad);
memcpy(o + pad, p, dwd);
return out;
}
String FormatInt(int i)
{
return FormatIntBase(i, 10, 0, ' ', 0);
}
String FormatIntDec(int i, int width, char lpad, bool always_sign)
{
return FormatIntBase(i, 10, width, lpad, always_sign ? 1 : 0);
}
String FormatIntHex(int i, int width, char lpad)
{
return FormatIntBase(i, 16, width, lpad, -1);
}
String FormatIntHexUpper(int i, int width, char lpad)
{
return FormatIntBase(i, 16, width, lpad, -1, true);
}
String FormatIntOct(int i, int width, char lpad)
{
return FormatIntBase(i, 8, width, lpad, -1);
}
String FormatIntAlpha(int i, bool upper)
{
if(IsNull(i) || i == 0)
return Null;
String out;
if(i < 0)
{
out << '-';
i = -i;
}
char temp[10], *p = temp;
i--;
char start = (upper ? 'A' : 'a');
do
*p++ = start + (i % 26);
while(i /= 26);
while(p > temp)
out << *--p;
return out;
}
String FormatIntRoman(int i, bool upper)
{
if(IsNull(i) || i == 0)
return Null;
String out;
if(i < 0)
{
out << '-';
i = -i;
}
int m = i / 1000;
if(m)
{
out.Cat('M', m);
i -= 1000 * m;
}
char shift = upper ? 0 : 'a' - 'A';
static const int value[] = { 1000, 500, 100, 50, 10, 5, 1 };
static const char letter[] = { 'M', 'D', 'C', 'L', 'X', 'V', 'I' };
for(int n = 0; i && n < __countof(value); n++)
{
int v = value[n];
while(i >= v)
{
out << (char)(letter[n] + shift);
i -= v;
}
if(n < __countof(value) - 1)
for(int j = n + (value[n + 1] * 2 >= v ? 2 : 1); j < __countof(value); j++)
if(i >= v - value[j])
{ // subtraction scheme
out << (char)(letter[j] + shift) << (char)(letter[n] + shift);
i -= v - value[j];
break;
}
}
return out;
}
String Format64(uint64 a)
{
char b[50];
char *p = b + 50;
do {
*--p = char(a % 10 + '0');
a /= 10;
}
while(a);
return String(p, b + 50);
}
String Format64Hex(uint64 a)
{
char b[50];
char *p = b + 50;
do {
*--p = "0123456789abcdef"[a & 15];
a >>= 4;
}
while(a);
return String(p, b + 50);
}
String FormatInteger(int a) { return IsNull(a) ? String() : FormatInt(a); }
String FormatUnsigned(unsigned long a) { return Sprintf("%u", a); }
String FormatDouble(double a) { return IsNull(a) ? String() : IsNaN(a) ? "?" : FormatDouble(a, 17, FD_REL); }
String FormatBool(bool a) { return a ? "true" : "false"; }
String FormatPtr(const void *p) { return "0x" + FormatHex(p); }
String FormatInt64(int64 a)
{
return IsNull(a) ? String() : a < 0 ? "-" + Format64(-a) : Format64(a);
}
static char *PutDigits(char *out, unsigned number, int count)
{
char temp[10];
char *t = temp;
do
*t++ = number % 10 + '0';
while(number /= 10);
ASSERT(t - temp <= __countof(temp));
if((count -= (int)(t - temp)) > 0)
{
char *e = out + count;
while(out < e)
*out++ = '0';
}
while(t > temp)
*out++ = *--t;
return out;
}
enum { DBL_DIGITS = (int)(DBL_MANT_DIG * M_LN2 / M_LN10) + 2 };
String FormatDoubleDigits(double d, int raw_digits, int flags, int& exponent)
{
if(IsNull(d))
{
exponent = Null;
return Null;
}
d = fabs(normalize(d, exponent));
if(IsNull(exponent))
return "0";
int digits = raw_digits + (flags & FD_REL ? 0 : exponent + 1);
int count = minmax<int>(digits, 1, DBL_DIGITS - 2);
Buffer<char> buffer(max(digits, 0) + 10);
char *p = buffer;
if(count == 0)
d /= 10;
else
{
static double powtbl[] = { 1e0, 1e1, 1e2, 1e3, 1e4 };
int part1 = min(count, 5);
unsigned i = (unsigned)(d * powtbl[part1 - 1]);
p = PutDigits(p, i, 0);
d = double((long double)d * (long double)powtbl[part1 - 1] - i);
count -= part1;
while(count >= 4)
{
i = minmax<unsigned>(0, (unsigned)(d * 10000), 9999);
p = PutDigits(p, i, 4);
d = double((long double)d * (long double)10000 - i);
count -= 4;
}
if(count > 0)
{
i = (unsigned)(d * powtbl[count]);
p = PutDigits(p, i, count);
d = d * powtbl[count] - i;
}
}
if(p - ~buffer < DBL_DIGITS && d >= 0.5)
{ // round
while(p > ~buffer && p[-1] == '9')
p--;
if(p == ~buffer)
{
*p++ = '1';
exponent++;
if(!(flags & FD_REL))
digits++;
}
else
p[-1]++;
}
if(flags & FD_ZERO)
{
char *e = p;
while(e > ~buffer && e[-1] == '0')
e--;
if(e == buffer)
exponent = Null;
e = ~buffer + digits;
while(p < e)
*p++ = '0';
}
else
{
while(p > ~buffer && p[-1] == '0')
p--;
if(p == ~buffer)
{
exponent = Null;
*p++ = '0';
}
}
return String(~buffer, (int)(p - ~buffer));
}
String FormatDouble(double d, int digits, int flags, int pad_exp)
{
if(IsNull(d))
return Null;
double ad = fabs(d);
bool is_exp = (flags & FD_EXP);
if(!(flags & FD_FIX))
{
is_exp = ad && (ad <= 1e-15 || ad >= 1e15);
if(flags & FD_REL)
{
double bd = ipow10(2 * digits);
if(ad && (ad * bd <= 1 || ad >= bd))
is_exp = true;
}
}
if(is_exp)
return FormatDoubleExp(d, digits, flags, pad_exp);
else
return FormatDoubleFix(d, digits, flags);
}
String FormatDoubleFix(double d, int digits, int flags)
{
if(IsNull(d))
return Null;
int exp;
String dig = FormatDoubleDigits(d, digits, flags, exp);
if(flags & FD_REL)
digits = max(0, digits - Nvl(exp, 0) - 1);
String out;
if(flags & FD_SIGN || d < 0 && !IsNull(exp))
out.Cat(d >= 0 ? '+' : '-');
int pointchar = (flags & FD_COMMA) ? ',' : '.';
if(IsNull(exp) || exp < -digits) {
out.Cat('0');
if((flags & FD_ZERO) && digits) {
out.Cat(pointchar);
out.Cat('0', digits);
}
}
else if(exp < 0) {
out.Cat('0');
out.Cat(pointchar);
out.Cat('0', -1 - exp);
int fill = digits + exp + 1;
if(!(flags & FD_ZERO) || dig.GetLength() >= fill)
out.Cat(dig, min(fill, dig.GetLength()));
else {
out.Cat(dig);
out.Cat('0', fill - dig.GetLength());
}
}
else if(exp < dig.GetLength()) {
out.Cat(dig, ++exp);
if(digits > 0 && ((flags & FD_ZERO) || dig.GetLength() > exp)) {
out.Cat(pointchar);
if(!(flags & FD_ZERO) || dig.GetLength() - exp >= digits)
out.Cat(dig.Begin() + exp, min(dig.GetLength() - exp, digits));
else {
out.Cat(dig.Begin() + exp, dig.GetLength() - exp);
out.Cat('0', digits - (dig.GetLength() - exp));
}
}
}
else
{
out.Cat(dig);
out.Cat('0', exp - dig.GetLength() + 1);
if(digits > 0 && (flags & FD_ZERO))
{
out.Cat(pointchar);
out.Cat('0', digits);
}
}
return out;
}
String FormatDoubleExp(double d, int digits, int flags, int fill_exp)
{
if(IsNull(d))
return Null;
int exp;
int pointchar = (flags & FD_COMMA) ? ',' : '.';
String dig = FormatDoubleDigits(d, digits, flags | FD_REL, exp);
exp = Nvl(exp, 0);
String out;
if(flags & FD_SIGN || d < 0 && !IsNull(exp))
out.Cat(d >= 0 ? '+' : '-');
out.Cat(dig[0]);
if(dig.GetLength() > 1)
{
out.Cat(pointchar);
out.Cat(dig.Begin() + 1, dig.GetLength() - 1);
}
out.Cat(flags & FD_CAP_E ? 'E' : 'e');
out.Cat(FormatIntDec(exp, fill_exp, '0', flags & FD_SIGN_EXP));
return out;
}
String FormatDate(Date date, const char *format, int language)
{
if(IsNull(date))
return Null;
if(!format || !*format)
return Format(date);
return FormatTime(ToTime(date), format, language);
}
String FormatTime(Time t, const char *s, int language)
{
if(IsNull(t))
return Null;
String result;
if(!s || !*s)
return Format(t);
while(*s) {
int q = 0;
if(*s == 'M') {
while(*s == 'M') { s++; q++; }
if(q == 1)
result.Cat(Format("%d", t.month));
else
result.Cat(Format("%02d", t.month));
}
else
if(*s == 'D') {
while(*s == 'D') { s++; q++; }
if(q == 1)
result.Cat(Format("%d", t.day));
else
result.Cat(Format("%02d", t.day));
}
else
if(*s == 'Y') {
while(*s == 'Y') { s++; q++; }
if(q == 1)
result.Cat(Format("%d", t.year % 100));
else
if(q == 2)
result.Cat(Format("%02d", t.year % 100));
else
result.Cat(Format("%d", t.year));
}
else
if(*s == 'h') {
while(*s == 'h') { s++; q++; }
if(q == 1)
result.Cat(Format("%d", t.hour));
else
result.Cat(Format("%02d", t.hour));
}
else
if(*s == 'H') {
while(*s == 'H') { s++; q++; }
int h = ((t.hour + 11) % 12 + 1);
if(q == 1)
result.Cat(Format("%d", h));
else
result.Cat(Format("%02d", h));
}
else
if(*s == '<') {
s++;
while(*s && *s != '/') {
if(t.hour <= 12)
result.Cat(*s);
s++;
}
if(!*s) break;
s++;
while(*s && *s != '>') {
if(t.hour > 12)
result.Cat(*s);
s++;
}
if(!*s) break;
s++;
}
else
if(*s == 'm') {
while(*s == 'm') { s++; q++; }
if(q == 1)
result.Cat(Format("%d", t.minute));
else
result.Cat(Format("%02d", t.minute));
}
else
if(*s == 's') {
while(*s == 's') { s++; q++; }
if(q == 1)
result.Cat(Format("%d", t.second));
else
result.Cat(Format("%02d", t.second));
}
else
if(*s == '`' && s[1]) {
s++;
result.Cat(*s++);
}
else
result.Cat(*s++);
}
return result;
}
// New format ----------------------------
void TrimChar(String& s, int n)
{
if(GetDefaultCharset() == CHARSET_UTF8) {
WString h(s);
h.Trim(n);
s = h.ToString();
}
else
s.Trim(n);
}
struct FormId : Moveable<FormId> {
FormId(String id, int type) : id(id), type(type) {}
String id;
int type;
};
unsigned GetHashValue(const FormId& fid)
{
return CombineHash(fid.type, GetHashValue(fid.id));
}
bool operator==(const FormId& a, const FormId& b)
{
return a.type == b.type && a.id == b.id;
}
VectorMap<FormId, Formatter>& formatmap()
{
return Single< VectorMap<FormId, Formatter> > ();
}
void RegisterFormatter(int type, const char *id, Formatter f)
{
AssertST();
INTERLOCKED {
FormId fid(id, type);
formatmap().FindAdd(fid, f);
formatmap().Find(fid);
}
}
void RegisterValueFormatter(const char *id, Formatter f)
{
RegisterFormatter(VALUE_V, id, f);
}
void RegisterNullFormatter(const char *id, Formatter f)
{
RegisterFormatter(VOID_V, id, f);
RegisterFormatter(ERROR_V, id, f);
}
void RegisterNumberFormatter(const char *id, Formatter f)
{
RegisterFormatter(DOUBLE_V, id, f);
RegisterFormatter(INT64_V, id, f);
RegisterFormatter(INT_V, id, f);
RegisterFormatter(BOOL_V, id, f);
RegisterNullFormatter(id, f);
}
void RegisterStringFormatter(const char *id, Formatter f)
{
RegisterFormatter(WSTRING_V, id, f);
RegisterFormatter(STRING_V, id, f);
RegisterNullFormatter(id, f);
}
void RegisterDateTimeFormatter(const char *id, Formatter f)
{
RegisterFormatter(TIME_V, id, f);
RegisterFormatter(DATE_V, id, f);
RegisterNullFormatter(id, f);
}
String IntFormatter(const Formatting& f)
{
if(f.format.GetCount() == 0 && f.id[0] == 'd' && f.id[1] == 0)
return AsString((int)f.arg);
StringBuffer q;
q.SetLength(1000);
q.SetLength(sprintf(q, '%' + f.format + f.id, (int)f.arg));
return q;
}
String Int64Formatter(const Formatting& f)
{
StringBuffer q;
q.SetLength(1000);
q.SetLength(sprintf(q, '%' + f.format + f.id, (int64)f.arg));
return q;
}
String IntLowerAlphaFormatter(const Formatting& f)
{
return FormatIntAlpha(f.arg, false);
}
String IntUpperAlphaFormatter(const Formatting& f)
{
return FormatIntAlpha(f.arg, true);
}
String IntLowerRomanFormatter(const Formatting& f)
{
return FormatIntRoman(f.arg, false);
}
String IntUpperRomanFormatter(const Formatting& f)
{
return FormatIntRoman(f.arg, true);
}
String RealFormatter(const Formatting& f)
{
if(IsNull(f.arg))
return Null;
double value = f.arg;
const char *s = f.format;
int digits = 6, fill_exp = 0;
const char *id = f.id;
int flags = (*id++ == 'v' ? FD_REL : 0);
if(*s == '+') {
flags |= FD_SIGN;
s++;
}
if(IsDigit(*s) || *s == '-' && IsDigit(s[1])) {
digits = (int)strtol(s, NULL, 10);
while(IsDigit(*++s))
;
}
if(*s == '@') { s++; flags |= FD_NOTHSEPS; }
if(*s == ',') { s++; flags |= FD_COMMA; }
if(*s == '!') { s++; flags |= FD_ZERO; }
if(*s == '^') {
if(*++s == '+') {
flags |= FD_SIGN_EXP;
s++;
}
if(IsDigit(*s)) {
fill_exp = (int)strtol(s, NULL, 10);
while(IsDigit(*++s))
;
}
}
bool lng = false;
if(*id == 'l') {
lng = true;
id++;
}
if(*id == 'e') flags |= FD_EXP;
else if(*id == 'f') flags |= FD_FIX;
if(lng)
return GetLanguageInfo(f.language).FormatDouble(value, digits, flags, fill_exp);
else
return FormatDouble(value, digits, flags, fill_exp);
}
String StringFormatter(const Formatting& f)
{
const String& s = f.arg;
if(f.format.GetCount() == 0 && f.id[0] == 's' && f.id[1] == 0)
return s;
int len = s.GetCharCount();
int width = len;
int precision = len;
bool lpad = false;
CParser p(f.format);
if(p.Char('-'))
lpad = true;
if(p.IsNumber())
width = p.ReadInt();
if(p.Char('.') && p.IsNumber())
precision = p.ReadInt();
// if(precision > len)
// return WString(~s, precision).ToString();
String q = s;
if(precision < len) {
TrimChar(q, precision);
len = precision;
}
String r;
if(lpad)
r.Cat(q);
if(width > len)
r.Cat(' ', width - len);
if(!lpad)
r.Cat(q);
return r;
/*
if(f.format.GetCount())
String fmt = '%' + f.format + f.id;
char h[256];
#ifdef COMPILER_MSC
int n = _snprintf(h, 256, fmt, ~s);
if(n < 0)
#else
int n = snprintf(h, 255, fmt, ~s);
if(n >= 254)
#endif
{
#ifdef COMPILER_MSC
n = _scprintf(fmt, ~s);
#endif
Buffer<char> ah(n + 1);
sprintf(ah, fmt, ~s);
return String(ah, n);
}
return String(h, n);
*/
}
String FloatFormatter(const Formatting& f)
{
double d = f.arg;
String fmt = '%' + f.format + f.id;
char h[256];
#ifdef COMPILER_MSC
int n = _snprintf(h, 256, fmt, d);
if(n < 0)
#else
int n = snprintf(h, 255, fmt, d);
if(n >= 254)
#endif
{
#ifdef COMPILER_MSC
n = _scprintf(fmt, d);
#endif
Buffer<char> ah(n + 1);
sprintf(ah, fmt, d);
return String(ah, n);
}
return String(h, n);
}
String DateFormatter(const Formatting& f)
{
return GetLanguageInfo(f.language).FormatDate(f.arg);
}
String TimeFormatter(const Formatting& f)
{
return GetLanguageInfo(f.language).FormatTime(f.arg);
}
String SwitchFormatter(const Formatting& f)
{
const char *s = f.format;
int i = f.arg;
int o = i;
for(;;) {
int n = 0;
while(IsDigit(*s))
n = 10 * n + *s++ - '0';
if(!*s) return Null;
if(*s == '%') {
o = i % max(n, 1);
s++;
}
else
if(*s == ',' || *s == ':') {
if(o == n) {
while(*s && *s != ':')
s++;
if(!*s) return Null;
++s;
const char *b = s;
while(*s && *s != ';')
s++;
return String(b, s);
}
if(*s == ':')
while(*s && *s != ';')
s++;
if(!*s) return Null;
s++;
}
else
return s;
}
return String();
}
String StdFormatFormatter(const Formatting& f)
{
String out = StdFormat(f.arg);
if(!IsNull(out))
return out;
return f.format;
}
String MonthFormatter(const Formatting& f)
{
return MonthName((int)f.arg - 1, f.language);
}
String MONTHFormatter(const Formatting& f)
{
return ToUpper(MonthFormatter(f), GetLNGCharset(f.language));
}
String monthFormatter(const Formatting& f)
{
return ToLower(MonthFormatter(f), GetLNGCharset(f.language));
}
String MonFormatter(const Formatting& f)
{
return MonName((int)f.arg - 1, f.language);
}
String MONFormatter(const Formatting& f)
{
return ToUpper(MonFormatter(f), GetLNGCharset(f.language));
}
String monFormatter(const Formatting& f)
{
return ToLower(MonFormatter(f), GetLNGCharset(f.language));
}
String DayFormatter(const Formatting& f)
{
return DayName((int)f.arg, f.language);
}
String DAYFormatter(const Formatting& f)
{
return ToUpper(DayFormatter(f), GetLNGCharset(f.language));
}
String dayFormatter(const Formatting& f)
{
return ToLower(DayFormatter(f), GetLNGCharset(f.language));
}
String DyFormatter(const Formatting& f)
{
return DyName((int)f.arg, f.language);
}
String DYFormatter(const Formatting& f)
{
return ToUpper(DyFormatter(f), GetLNGCharset(f.language));
}
String dyFormatter(const Formatting& f)
{
return ToLower(DyFormatter(f), GetLNGCharset(f.language));
}
String twFormatter(const Formatting& f)
{
int q = f.arg;
return Sprintf(*f.format == '0' ? "%02d" : "%d", q ? q % 12 : 12);
}
String NumberFormatter(const Formatting& f)
{
int q = f.arg;
return AsString(q);
}
void IntDoubleRegister(int type)
{
RegisterFormatter(type, "", &NumberFormatter);
RegisterFormatter(type, "c", &IntFormatter);
RegisterFormatter(type, "d", &IntFormatter);
RegisterFormatter(type, "i", &IntFormatter);
RegisterFormatter(type, "o", &IntFormatter);
RegisterFormatter(type, "x", &IntFormatter);
RegisterFormatter(type, "X", &IntFormatter);
RegisterFormatter(type, "ld", &IntFormatter);
RegisterFormatter(type, "li", &IntFormatter);
RegisterFormatter(type, "lo", &IntFormatter);
RegisterFormatter(type, "lx", &IntFormatter);
RegisterFormatter(type, "lX", &IntFormatter);
RegisterFormatter(type, "lld", &Int64Formatter);
RegisterFormatter(type, "lli", &Int64Formatter);
RegisterFormatter(type, "llo", &Int64Formatter);
RegisterFormatter(type, "llx", &Int64Formatter);
RegisterFormatter(type, "llX", &Int64Formatter);
RegisterFormatter(type, "e", &FloatFormatter);
RegisterFormatter(type, "E", &FloatFormatter);
RegisterFormatter(type, "f", &FloatFormatter);
RegisterFormatter(type, "g", &FloatFormatter);
RegisterFormatter(type, "G", &FloatFormatter);
RegisterFormatter(type, "s", &SwitchFormatter);
RegisterFormatter(type, "month", &monthFormatter);
RegisterFormatter(type, "Month", &MonthFormatter);
RegisterFormatter(type, "MONTH", &MONTHFormatter);
RegisterFormatter(type, "mon", &monFormatter);
RegisterFormatter(type, "Mon", &MonFormatter);
RegisterFormatter(type, "MON", &MONFormatter);
RegisterFormatter(type, "Day", &DayFormatter);
RegisterFormatter(type, "DAY", &DAYFormatter);
RegisterFormatter(type, "day", &dayFormatter);
RegisterFormatter(type, "Dy", &DyFormatter);
RegisterFormatter(type, "DY", &DYFormatter);
RegisterFormatter(type, "dy", &dyFormatter);
RegisterFormatter(type, "tw", &twFormatter);
}
static void sRegisterFormatters()
{
ONCELOCK {
IntDoubleRegister(BOOL_V);
IntDoubleRegister(INT_V);
IntDoubleRegister(INT64_V);
IntDoubleRegister(DOUBLE_V);
RegisterStringFormatter("s", &StringFormatter);
RegisterNullFormatter("", &DateFormatter);
RegisterFormatter(DATE_V, "", &DateFormatter);
RegisterFormatter(TIME_V, "", &TimeFormatter);
RegisterNumberFormatter("n", &RealFormatter);
RegisterNumberFormatter("ne", &RealFormatter);
RegisterNumberFormatter("nf", &RealFormatter);
RegisterNumberFormatter("nl", &RealFormatter);
RegisterNumberFormatter("nle", &RealFormatter);
RegisterNumberFormatter("nlf", &RealFormatter);
RegisterNumberFormatter("v", &RealFormatter);
RegisterNumberFormatter("ve", &RealFormatter);
RegisterNumberFormatter("vf", &RealFormatter);
RegisterNumberFormatter("vl", &RealFormatter);
RegisterNumberFormatter("vle", &RealFormatter);
RegisterNumberFormatter("vlf", &RealFormatter);
// real number formats (n = fixed decimals, v = valid decimals)
// ne, ve - force exponential notation; nf, vf - force fixed notation; nl, vl - language-based formatting
// Options: [+][[-]<digits>][!][^[+]<expdig>]
// + .. always prepend sign
// [-]<digits> .. number of decimals to print (negative = left of decimal point, default = 6)
// ! .. keep insignificant zeros
// ^ .. exponent options:
// + .. always prepend sign to exponent
// <expdig> exponent padding width
RegisterNumberFormatter("a", &IntLowerAlphaFormatter);
RegisterNumberFormatter("A", &IntUpperAlphaFormatter);
RegisterNumberFormatter("r", &IntLowerRomanFormatter);
RegisterNumberFormatter("R", &IntUpperRomanFormatter);
RegisterValueFormatter("vt", &StdFormatFormatter);
RegisterValueFormatter("", &StdFormatFormatter);
}
}
INITBLOCK {
sRegisterFormatters();
}
String NFormat0(int language, const char *s, const Value **v, int count)
{
sRegisterFormatters();
Formatting f;
f.language = language;
String result;
int pos = 0;
const char *b;
for(;;) {
int n = 0;
b = s;
for(;;) {
while(*s && *s != '%')
++s;
result.Cat(b, (int)(s - b));
if(*s == '\0')
return result;
++s;
if(*s == '%') {
result.Cat('%');
++s;
}
else
break;
b = s;
}
f.format.Clear();
f.id.Clear();
b = s;
int pad = -1;
int padn = 0;
String nvl_value = String::GetVoid();
for(;;) {
if(*s == '$') {
pos = n - 1;
b = ++s;
n = 0;
}
else
if(*s == ':') {
pos = n - 1;
b = ++s;
n = 0;
}
else
if(*s == '*') {
f.format.Cat(b, (int)(s - b));
b = ++s;
int i = *v[pos++];
if(*s == ':' || *s == '$' || *s == '<' || *s == '>' || *s == '=')
n = i;
else
f.format.Cat(FormatInt(i));
}
else
if(*s == '<') {
padn = n;
pad = ALIGN_LEFT;
b = ++s;
n = 0;
}
else
if(*s == '>') {
padn = n;
pad = ALIGN_RIGHT;
b = ++s;
n = 0;
}
else
if(*s == '=') {
padn = n;
pad = ALIGN_CENTER;
b = ++s;
n = 0;
}
else
if(*s == '[') {
f.format.Cat(b, (int)(s - b));
s++;
b = s;
while(*s && *s != ']')
s++;
f.format.Cat(b, (int)(s - b));
if(*s) s++;
b = s;
if(!IsAlpha(*s) && *s != '~') break;
}
else if(*s == '~') {
nvl_value = f.format;
f.format = Null;
b = ++s;
}
else
if(!*s || *s == '`' || IsAlpha(*s))
break;
else {
if(!*s)
return result + "<unexpected end>";
if(IsDigit(*s))
n = 10 * n + *s - '0';
else
n = 0;
s++;
}
}
f.format.Cat(b, (int)(s - b));
b = s;
while(IsAlpha(*s))
s++;
f.id = String(b, s);
if(pos < 0 || pos >= count)
{
result << "<invalid pos=" << pos << ">";
if(*s == '`')
s++;
continue;
}
f.arg = *v[pos++];
String r;
if(!nvl_value.IsVoid() && IsNull(f.arg))
r = nvl_value;
else
{
Formatter ft = NULL;
#ifdef _DEBUG
int fi = formatmap().Find(FormId(f.id, f.arg.GetType()));
if(fi < 0) fi = formatmap().Find(FormId(f.id, VALUE_V));
if(fi >= 0)
ft = formatmap()[fi];
#else
for(;;) {
int fi = formatmap().Find(FormId(f.id, f.arg.GetType()));
if(fi < 0) fi = formatmap().Find(FormId(f.id, VALUE_V));
if(fi >= 0)
{
ft = formatmap()[fi];
break;
}
if(f.id.GetLength() == 0) break;
f.id.Trim(f.id.GetLength() - 1);
s--;
}
#endif
if(ft)
r = (*ft)(f);
else
r << "<N/A '" << f.id << "' for type " << (int)f.arg.GetType() << ">";
}
int len;
if(padn < 0 || padn > 1000)
r << "<invalid padding>";
else
switch(pad) {
case ALIGN_LEFT:
len = r.GetCharCount();
if(len < padn)
r.Cat(' ', padn - len);
else
TrimChar(r, padn);
break;
case ALIGN_RIGHT:
len = r.GetCharCount();
if(len < padn) {
String fill(' ', padn - len);
r = fill + r;
}
else
TrimChar(r, padn);
break;
case ALIGN_CENTER:
len = r.GetCharCount();
if(len < padn) {
int ll = (padn - len) / 2;
r = String(' ', ll) + r;
r.Cat(' ', padn - len - ll);
}
else
TrimChar(r, padn);
break;
}
result.Cat(r);
if(*s == '`')
s++;
}
}
String NFormat0(const char *s, const Value **v, int count)
{
return NFormat0(GetCurrentLanguage(), s, v, count);
}
String NFormat(int language, const char *s, const Vector<Value>& v)
{
Buffer<const Value *> bv(v.GetCount());
for(int i = 0; i < v.GetCount(); i++)
bv[i] = &v[i];
return NFormat0(language, s, bv, v.GetCount());
}
String NFormat(const char *s, const Vector<Value>& v) { return NFormat(GetCurrentLanguage(), s, v); }
//$-
#define E__NFSetArg(I) arg[I - 1] = &COMBINE(p, I)
#define E__NFValue(I) const Value& COMBINE(p, I)
#define E__NFBody(I) \
String NFormat(const char *fmt, __List##I(E__NFValue)) \
{ \
const Value *arg[I]; \
__List##I(E__NFSetArg); \
return NFormat0(fmt, arg, I); \
} \
String NFormat(int language, const char *fmt, __List##I(E__NFValue)) \
{ \
const Value *arg[I]; \
__List##I(E__NFSetArg); \
return NFormat0(language, fmt, arg, I); \
}
__Expand10(E__NFBody)
#if 1
#define E__FBody(I) \
String Format(const char *fmt, __List##I(E__NFValue)) \
{\
const Value *arg[I]; \
__List##I(E__NFSetArg); \
return NFormat0(fmt, arg, I); \
} \
String Format(int language, const char *fmt, __List##I(E__NFValue)) \
{ \
const Value *arg[I]; \
__List##I(E__NFSetArg); \
return NFormat0(language, fmt, arg, I); \
}
__Expand20(E__FBody)
//$+
String Format(const char *s, const Vector<Value>& v)
{
return NFormat(s, v);
}
String Format(int language, const char *s, const Vector<Value>& v)
{
return NFormat(language, s, v);
}
#else
String Format(const char *fmt, ...) {
va_list argptr;
va_start(argptr, fmt);
return VFormat(fmt, argptr);
}
#endif
String Sprintf(const char *fmt, ...) {
va_list argptr;
va_start(argptr, fmt);
return VFormat(fmt, argptr);
}
String DeFormat(const char *text)
{
StringBuffer x;
while(*text) {
if(*text == '%')
x.Cat('%');
x.Cat(*text++);
}
return x;
}
END_UPP_NAMESPACE