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Ignore file system errors when printing bash completion

This commit is contained in:
Martchus 2020-01-29 19:26:49 +01:00
parent 0f56d25251
commit eadb261c56
1 changed files with 37 additions and 34 deletions
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71
application/argumentparser.cpp
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@ -1508,44 +1508,47 @@ void ArgumentParser::printBashCompletion(int argc, const char *const *argv, unsi
// -> completion for files and dirs
#ifdef CPP_UTILITIES_USE_STANDARD_FILESYSTEM
if (completionInfo.completeFiles || completionInfo.completeDirs) {
using namespace std::filesystem;
const auto replace = "'"s, with = "'\"'\"'"s;
const auto useActualDir = argc && currentWordIndex <= completionInfo.lastSpecifiedArgIndex && opening;
const auto dirEntries = [&] {
directory_iterator i;
if (useActualDir) {
i = directory_iterator(actualDir);
findAndReplace(actualDir, replace, with);
} else {
i = directory_iterator(".");
}
return i;
}();
for (const auto &dirEntry : dirEntries) {
if (!completionInfo.completeDirs && dirEntry.is_directory()) {
continue;
}
if (!completionInfo.completeFiles && !dirEntry.is_directory()) {
continue;
}
auto dirEntryName = dirEntry.path().filename().string();
auto hasStartingQuote = false;
if (useActualDir) {
if (!startsWith(dirEntryName, actualFile)) {
try {
const auto replace = "'"s, with = "'\"'\"'"s;
const auto useActualDir = argc && currentWordIndex <= completionInfo.lastSpecifiedArgIndex && opening;
const auto dirEntries = [&] {
filesystem::directory_iterator i;
if (useActualDir) {
i = filesystem::directory_iterator(actualDir);
findAndReplace(actualDir, replace, with);
} else {
i = filesystem::directory_iterator(".");
}
return i;
}();
for (const auto &dirEntry : dirEntries) {
if (!completionInfo.completeDirs && dirEntry.is_directory()) {
continue;
}
cout << '\'';
hasStartingQuote = true;
if (actualDir != ".") {
cout << actualDir;
if (!completionInfo.completeFiles && !dirEntry.is_directory()) {
continue;
}
auto dirEntryName = dirEntry.path().filename().string();
auto hasStartingQuote = false;
if (useActualDir) {
if (!startsWith(dirEntryName, actualFile)) {
continue;
}
cout << '\'';
hasStartingQuote = true;
if (actualDir != ".") {
cout << actualDir;
}
}
findAndReplace(dirEntryName, replace, with);
if (!hasStartingQuote) {
cout << '\'';
}
cout << dirEntryName << '\'' << ' ';
haveFileOrDirCompletions = true;
}
findAndReplace(dirEntryName, replace, with);
if (!hasStartingQuote) {
cout << '\'';
}
cout << dirEntryName << '\'' << ' ';
haveFileOrDirCompletions = true;
} catch (const filesystem::filesystem_error &) {
// ignore filesystem errors; there's no good way to report errors when printing bash completion
}
}
#endif