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// fgpickregexp.cc
#include "fgpickregexp.h"
// Dir listings
#ifndef _FGDLIST_H
#include "fgdlist.h"
#endif
// Action lists
#ifndef _FGALIST_H
#include "fgalist.h"
#endif
// The download file action
#ifndef _FGDLACTION_H
#include "fgdlaction.h"
#endif
#ifndef _FGEXC_H
#include "fgexc.h"
#endif
#include <regex.h>
FGPickRegexp::FGPickRegexp(FGConnectionInterface* pConnIf,
const FGString& regexp)
: FGFilePickerInterface(pConnIf), mpRegExp(0)
{
mpRegExp = new regex_t;
try {
int ret = regcomp(mpRegExp, regexp, REG_EXTENDED | REG_NOSUB);
if (ret != 0) {
throw FGException(FGException::kInvalidRegexp);
}
}
catch (FGException&) {
delete mpRegExp;
throw;
}
}
FGPickRegexp::~FGPickRegexp()
{
if (mpRegExp != 0) {
regfree(mpRegExp);
delete mpRegExp;
}
}
FGActionList
FGPickRegexp::DecideActions(const FGDirListing& localDir,
const FGDirListing& remoteDir)
{
// The picker for the "normal" operation (non recursive),
// leaves all local files intact
// Very simple rule: grab any file in the remoteDir that is
// not in the localDir and matches regexp
FGActionList ret;
// Get list of files in remote but not local
FGDirListing newFiles = FGDirListing::GetRHSOnlyFiles(localDir, remoteDir);
// Pare down listing to only regexp matches
FGDirListing finalList("NOTUSED");
std::vector<FGFileInfo>::const_iterator iFiles;
for (iFiles = newFiles.begin(); iFiles != newFiles.end(); iFiles++) {
int match = regexec(mpRegExp, iFiles->GetFileName(), 0, 0, 0);
if (match == 0) {
finalList.push_back(*iFiles);
}
}
// Make a "download" action for all the above files
for (iFiles = finalList.begin(); iFiles != finalList.end(); iFiles++) {
FGActionInterface* pNewAction;
pNewAction = new FGDownloadAction(iFiles->GetFileName(), mpConnIf,
localDir.GetDirName(),
iFiles->GetSize());
ret.push_back(pNewAction);
}
return ret;
}
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