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bugfix _keep_existing name ; added an overwriting option to use ios_base::trunc instead of ios_base::app

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This commit is contained in:
Johann Dreo 2010-09-15 22:53:15 +02:00
commit 9d19cc2cfa
2 changed files with 16 additions and 6 deletions
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9
eo/src/utils/eoFileMonitor.cpp
View file

@ -44,11 +44,16 @@ void eoFileMonitor::printHeader()
eoMonitor& eoFileMonitor::operator()(void) eoMonitor& eoFileMonitor::operator()(void)
{ {
ofstream os(filename.c_str(), ios_base::app); ofstream os(filename.c_str(),
overwrite ?
ios_base::out|ios_base::trunc // FIXME does not seems to work
:
ios_base::out|ios_base::app
);
if (!os) if (!os)
{ {
string str = "eoFileMonitor: Could not append to " + filename; string str = "eoFileMonitor: Could not write to " + filename;
throw runtime_error(str); throw runtime_error(str);
} }

13
eo/src/utils/eoFileMonitor.h
View file

@ -52,21 +52,23 @@ public :
* @param _filename complete filename to write to * @param _filename complete filename to write to
* @param _delim delimiter string to use between each item of the registered vector (e.g. of eoStats) * @param _delim delimiter string to use between each item of the registered vector (e.g. of eoStats)
* @param _keep_existing if true, overwrite any existing file with the same name prior to any output * @param _keep_existing if true, overwrite any existing file with the same name prior to any output
* @param _header print the header (with the descriptions of registered eoStats) at the beginning of the file * @param _header print the header (with the descriptions of registered eoStats) at the beginning of the file (WARNING: true will discards header printing)
*/ */
eoFileMonitor( eoFileMonitor(
std::string _filename, std::string _filename,
std::string _delim = " ", std::string _delim = " ",
bool _keep_existing = false, bool _keep_existing = false,
bool _header=false bool _header = false,
bool _overwrite = false
) )
: filename(_filename), : filename(_filename),
delim(_delim), delim(_delim),
keep(_keep_existing), keep(_keep_existing),
header(_header), header(_header),
firstcall(true) firstcall(true),
overwrite(_overwrite)
{ {
if (!_keep) { if (!_keep_existing) {
std::ofstream os (filename.c_str ()); std::ofstream os (filename.c_str ());
if (!os) { if (!os) {
@ -108,6 +110,9 @@ private :
//! flag to avoid calling twice operator()(void) //! flag to avoid calling twice operator()(void)
bool firstcall; bool firstcall;
//! erase the entire file prior to writing in it (mode eos_base::
bool overwrite;
}; };
#endif #endif