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Added option Recorder file naming style

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VideoRecorder and PNGRecorder now have setting to decide how to name the files, with date prefix or sequentially numbered.  A base name is given with session filename.
This commit is contained in:
Bruno Herbelin
2022-07-20 23:47:22 +02:00
parent 1613e9ce46
commit d8d4322b2e
7 changed files with 178 additions and 62 deletions
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84
SystemToolkit.cpp
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@@ -276,7 +276,8 @@ string SystemToolkit::temp_path()
string SystemToolkit::full_filename(const std::string& path, const string &filename)
{
string fullfilename = path;
fullfilename += PATH_SEP;
if (path.back() != PATH_SEP)
fullfilename += PATH_SEP;
fullfilename += filename;
return fullfilename;
@@ -300,7 +301,9 @@ string SystemToolkit::path_directory(const string& path)
DIR *dir;
if ((dir = opendir (path.c_str())) != NULL) {
directorypath = path + PATH_SEP;
directorypath = path;
if (path.back() != PATH_SEP)
directorypath += PATH_SEP;
closedir (dir);
}
@@ -451,3 +454,80 @@ string SystemToolkit::path_absolute_from_path(const string& relativePath, const
return absolutePath;
}
std::string SystemToolkit::filename_sequential(const std::string& path, const std::string& base, const std::string& extension)
{
std::ostringstream filename;
// make sure extension is without the dot
string ext = extension;
auto loc = extension.find_last_of(".");
if (loc != string::npos)
ext = extension.substr( loc + 1 );
// make sure path is ok
std::string p = SystemToolkit::path_directory(path);
if (p.empty())
p = home_path();
// list all files in the target directory that potentially match the sequence naming pattern
std::list<std::string> pattern;
pattern.push_back( base + "*." + ext );
std::list<std::string> ls = SystemToolkit::list_directory(p, pattern);
// establish a filename for a consecutive sequence of numbers
for (int i = 0; i < ls.size() + 1; ++i) {
// clear
filename.str(std::string());
// add path
filename << p;
// add base filename
if (base.empty())
filename << "vimix";
else
filename << base ;
// add sequential number
filename << "_" << std::setw(4) << std::setfill('0') << i;
// add extension
if (!ext.empty())
filename << "." << ext;
// use that filename if was not already used
if ( std::find( ls.begin(), ls.end(), filename.str() ) == ls.end() )
break;
}
return filename.str();
}
std::string SystemToolkit::filename_dateprefix(const std::string& path, const std::string& base, const std::string& extension)
{
// make sure extension is without the dot
string ext = extension;
auto loc = extension.find_last_of(".");
if (loc != string::npos)
ext = extension.substr( loc + 1 );
// make sure path is ok
std::string p = SystemToolkit::path_directory(path);
if (p.empty())
p = home_path();
// build filename
std::ostringstream filename;
// add path
filename << p;
// add date prefix
filename << SystemToolkit::date_time_string() << "_";
// add base filename
if (base.empty())
filename << "vimix";
else
filename << base ;
// add extension
if (!ext.empty())
filename << "." << ext;
return filename.str();
}