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[utils] adding 'LookupTable' class and use it in CLI (#5602)

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This commit adds `LookupTable` module which provides helper methods to
perform binary search in a generic sorted lookup table for specific
entry matching a given name string. It also provides `constexpr`
methods to check (at build-time) whether a lookup table array is
sorted. This commit also updates CLI modules to use the `LookupTable`
methods for command lookup. It also adds a unit test for the lookup
table.
This commit is contained in:
Abtin Keshavarzian
2020-10-02 17:35:35 -07:00
committed by GitHub
parent 946141ed32
commit 4db030c6c9
26 changed files with 602 additions and 260 deletions
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src/cli/cli_dataset.cpp
+8 -34
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@@ -44,31 +44,8 @@
namespace ot {
namespace Cli {
const Dataset::Command Dataset::sCommands[] = {
{"help", &Dataset::ProcessHelp},
{"active", &Dataset::ProcessActive},
{"activetimestamp", &Dataset::ProcessActiveTimestamp},
{"channel", &Dataset::ProcessChannel},
{"channelmask", &Dataset::ProcessChannelMask},
{"clear", &Dataset::ProcessClear},
{"commit", &Dataset::ProcessCommit},
{"delay", &Dataset::ProcessDelay},
{"extpanid", &Dataset::ProcessExtPanId},
{"init", &Dataset::ProcessInit},
{"masterkey", &Dataset::ProcessMasterKey},
{"meshlocalprefix", &Dataset::ProcessMeshLocalPrefix},
{"mgmtgetcommand", &Dataset::ProcessMgmtGetCommand},
{"mgmtsetcommand", &Dataset::ProcessMgmtSetCommand},
{"networkname", &Dataset::ProcessNetworkName},
{"panid", &Dataset::ProcessPanId},
{"pending", &Dataset::ProcessPending},
{"pendingtimestamp", &Dataset::ProcessPendingTimestamp},
{"pskc", &Dataset::ProcessPskc},
{"securitypolicy", &Dataset::ProcessSecurityPolicy},
{"set", &Dataset::ProcessSet},
};
otOperationalDataset Dataset::sDataset;
constexpr Dataset::Command Dataset::sCommands[];
otOperationalDataset Dataset::sDataset;
otError Dataset::Print(otOperationalDataset &aDataset)
{
@@ -175,21 +152,18 @@ otError Dataset::Print(otOperationalDataset &aDataset)
otError Dataset::Process(uint8_t aArgsLength, char *aArgs[])
{
otError error = OT_ERROR_INVALID_COMMAND;
otError error = OT_ERROR_INVALID_COMMAND;
const Command *command;
if (aArgsLength == 0)
{
ExitNow(error = Print(sDataset));
}
for (const Command &command : sCommands)
{
if (strcmp(aArgs[0], command.mName) == 0)
{
error = (this->*command.mCommand)(aArgsLength - 1, aArgs + 1);
break;
}
}
command = Utils::LookupTable::Find(aArgs[0], sCommands);
VerifyOrExit(command != nullptr, OT_NOOP);
error = (this->*command->mHandler)(aArgsLength - 1, aArgs + 1);
exit:
return error;