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Add ITable/NetworkTable GetKeys and GetSubTables accessors.

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This commit is contained in:
Peter Johnson
2015-09-16 00:50:31 -07:00
parent 6cbc219427
commit c5d456f3a6
7 changed files with 141 additions and 8 deletions
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26
src/networktables/NetworkTable.cpp
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@@ -161,6 +161,32 @@ bool NetworkTable::ContainsSubTable(StringRef key) const {
return !nt::GetEntryInfo(path, 0).empty();
}
std::vector<std::string> NetworkTable::GetKeys(int types) const {
std::vector<std::string> keys;
llvm::SmallString<128> path(m_path);
path += PATH_SEPARATOR_CHAR;
for (auto& entry : nt::GetEntryInfo(path, types)) {
auto relative_key = StringRef(entry.name).substr(path.size());
if (relative_key.find(PATH_SEPARATOR_CHAR) != StringRef::npos)
continue;
keys.push_back(relative_key);
}
return keys;
}
std::vector<std::string> NetworkTable::GetSubTables() const {
std::vector<std::string> keys;
llvm::SmallString<128> path(m_path);
path += PATH_SEPARATOR_CHAR;
for (auto& entry : nt::GetEntryInfo(path, 0)) {
auto relative_key = StringRef(entry.name).substr(path.size());
std::size_t end_subtable = relative_key.find(PATH_SEPARATOR_CHAR);
if (end_subtable == StringRef::npos) continue;
keys.push_back(relative_key.substr(0, end_subtable));
}
return keys;
}
void NetworkTable::SetPersistent(StringRef key) {
SetFlags(key, NT_PERSISTENT);
}