本文整理汇总了C++中FileOut::IsError方法的典型用法代码示例。如果您正苦于以下问题：C++ FileOut::IsError方法的具体用法？C++ FileOut::IsError怎么用？C++ FileOut::IsError使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileOut的用法示例。
在下文中一共展示了FileOut::IsError方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: PosOverrunTest
void PosOverrunTest()
{
String tmpfile = GetTempFileName("pos");
FileOut fo;
if(!fo.Open(tmpfile)) {
Cout() << "PosOverrunTest: error creating file " << tmpfile << "\n";
return;
}
for(int i = 0; i < 0x10000; i++)
fo.PutIW(i);
int64 size = fo.GetSize();
fo.Close();
if(fo.IsError() || size != 0x20000) {
Cout() << "PosOverrunTest generator error, file " << tmpfile << "\n";
return;
}
FileIn fi;
fi.SetBufferSize(4096);
if(!fi.Open(tmpfile)) {
Cout() << "PosOverrunTest: error reopening temporary file " << tmpfile << "\n";
return;
}
for(int i = 0; i < 4096; i++)
fi.Get();
char buffer[32];
fi.GetAll(buffer, 32);
bool ok = true;
for(int i = 0; i < 16; i++) {
int strmval = PeekIW(buffer + 2 * i);
int expect = 2048 + i;
if(strmval != expect) {
Cout() << "PosOverrunTest: " << FormatIntHex(expect, 4) << " expected, " << FormatIntHex(strmval, 4) << " found\n";
ok = false;
}
}
if(ok)
Cout() << "PosOverrunTest: finished without errors\n";
}示例2: Run
//.........这里部分代码省略.........
for(int i = 0; i < columns.GetCount(); i++)
if(columns.Get(i, 3)) {
out.Add(i);
String cname = cursor.GetColumnInfo(i).name;
colstr << (i ? ", " : "") << cname;
if(i) title << delim;
title << cname;
}
if(out.IsEmpty()) {
throw Exc(t_("No columns selected!"));
continue;
}
String rowbegin, rowend;
int fmt = ~format;
FileSel fsel;
String ext;
switch(fmt) {
case FMT_TEXT: {
rowend = "";
ext = ".txt";
fsel.Type(t_("Text files (*.txt)"), "*.txt");
break;
}
case FMT_SQL: {
if(identity_insert)
rowbegin << "set identity_insert " << out_table << " on ";
rowbegin << "insert into " << out_table << "(" << colstr << ") values (";
rowend = ");";
ext = ".sql";
fsel.Type(t_("SQL scripts (*.sql)"), "*.sql");
break;
}
}
fsel.AllFilesType().DefaultExt(ext.Mid(1));
if(!IsNull(recent_file))
fsel <<= ForceExt(recent_file, ext);
if(!fsel.ExecuteSaveAs(t_("Save export as")))
continue;
recent_file = ~fsel;
FileOut fo;
if(!fo.Open(recent_file)) {
Exclamation(NFormat(t_("Error creating file [* \1%s\1]."), recent_file));
continue;
}
if(fmt == FMT_TEXT)
fo.PutLine(title);
Progress progress(t_("Exporting row %d"));
while(cursor.Fetch()) {
String script = rowbegin;
for(int i = 0; i < out.GetCount(); i++) {
Value v = cursor[out[i]];
switch(fmt) {
case FMT_TEXT: {
if(i)
script.Cat(delim);
if(IsString(v) && quote) {
String s = v;
script << '\"';
for(const char *p = s, *e = s.End(); p < e; p++)
if(*p == '\"')
script.Cat("\"\"");
else
script.Cat(*p);
script << '\"';
}
else
script << StdFormat(v);
break;
}
case FMT_SQL: {
if(i) script.Cat(", ");
// script << SqlCompile(SQLD_ORACLE, SqlFormat(v));
break;
}
}
}
script << rowend;
fo.PutLine(script);
/*
if(autocommit && --left <= 0) {
fo.PutLine("commit;");
left = autocommit;
}
*/
if(progress.StepCanceled()) {
Exclamation(t_("Export aborted!"));
return;
}
}
fo.Close();
if(fo.IsError())
throw Exc(NFormat(t_("Error writing file %s."), recent_file));
break;
}
catch(Exc e) {
ShowExc(e);
}
cfg = StoreAsString(*this);
}