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/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
*
* Distributable under the terms of either the Apache License (Version 2.0) or
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
#include "CLucene/StdHeader.h"
#include "CLucene/util/StringBuffer.h"
#ifdef __CL_INCLUDE_TPRINTF
CL_NS_USE(util)
//print a variable argument to a stream
//currently special number formatting is not supported. it is very minimalistic
void lucene_vfnwprintf(StringBuffer* buffer, size_t count, const wchar_t * format, va_list& valist){
const wchar_t *iter = format;
StringBuffer* tmp = NULL;
if ( buffer == NULL )
tmp = _CLNEW StringBuffer;
else
tmp = buffer;
while (*iter)
{
while (*iter && *iter != '%')
{
tmp->appendChar(*iter++);
}
if (*iter == '%')
{
if (iter[1] == '%')
{
//just print a %
tmp->appendChar('%');
iter += 2;
continue;
}
iter++;
switch (*iter)
{
case 's':
{
//todo: this is faulty. it doesn't heed count
//print a string or null
TCHAR *wstr = va_arg(valist, TCHAR *);
if ( !wstr )
wstr = _T("(null)");
tmp->append(wstr);
iter++;
break;
}
case 'c':
tmp->appendChar((TCHAR)va_arg(valist, int));
iter++;
break;
default:
{
//todo: this is faulty. it doesn't heed count
if (*iter == 'p')
tmp->appendInt((int32_t)va_arg(valist, long));
else
{
if (*iter == 'a' || *iter == 'A' ||
*iter == 'e' || *iter == 'E' ||
*iter == 'f' || *iter == 'F' ||
*iter == 'g' || *iter == 'G')
tmp->appendFloat((qreal)va_arg(valist, double),8);
else if (*iter == 'd' || *iter == 'i' ){
tmp->appendInt((int32_t)va_arg(valist, int));
}else if (*iter == 'l' ){
TCHAR b[100];
_i64tot((int64_t)va_arg(valist, int64_t),b,10);
tmp->append(b);
}/*else{
TCHAR b[100];
_i64tot((int64_t)va_arg(valist, void*),b,10);
tmp->append(b);
}*/
}
iter++;
break;
}
}
}
}
if ( buffer == NULL ){
//we are supposed to be writing to the console
#ifdef _UCS2
TCHAR* pointer = tmp->getBuffer();
char ob[MB_LEN_MAX];
size_t v;
size_t len = tmp->length();
for (size_t i=0;i<len;i++){
v = wctomb(ob,*pointer);
if ( v > 0 ){
ob[v]='\0';
fputs(ob,stdout);
}
pointer++;
}
#else
fputs(tmp->getBuffer(),stdout);
#endif
_CLDELETE(tmp);
}
}
//print a list of arguments to a string
int lucene_snwprintf(wchar_t* strbuf, size_t count, const wchar_t * format, ...){
va_list ap;
va_start(ap, format);
StringBuffer buffer;
lucene_vfnwprintf(&buffer,count,format,ap);
va_end(ap);
size_t ret = min(count,(size_t)(buffer.length()+1));
_tcsncpy(strbuf,buffer.getBuffer(),ret);
return ret;
}
//print a list of arguments to the stdout
void lucene_wprintf(const wchar_t * format, ...){
va_list ap;
va_start(ap, format);
lucene_vfnwprintf(NULL,LUCENE_INT32_MAX_SHOULDBE,format,ap);
va_end(ap);
}
//print a variable argument to a string
int lucene_vsnwprintf(wchar_t * strbuf, size_t count, const wchar_t * format, va_list& ap){
StringBuffer buffer;
lucene_vfnwprintf(&buffer,count,format,ap);
int ret = min((int32_t)count,buffer.length()+1);
_tcsncpy(strbuf,buffer.getBuffer(),ret);
return ret;
}
#endif //__CL_INCLUDE_TPRINTF
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