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cscore: Add config json to VideoSink (#1543)

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Same format as VideoSource.

Refactor properties json handling into PropertyContainer.
This commit is contained in:
Peter Johnson
2019-01-11 20:33:05 -08:00
committed by GitHub
parent 1349dd4bd8
commit 05d6660a6b
15 changed files with 317 additions and 54 deletions
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76
cscore/src/main/native/cpp/PropertyContainer.cpp
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@@ -7,6 +7,11 @@
#include "PropertyContainer.h"
#include <wpi/Logger.h>
#include <wpi/SmallString.h>
#include <wpi/SmallVector.h>
#include <wpi/json.h>
using namespace cs;
int PropertyContainer::GetPropertyIndex(const wpi::Twine& name) const {
@@ -204,3 +209,74 @@ bool PropertyContainer::CacheProperties(CS_Status* status) const {
m_properties_cached = true;
return true;
}
bool PropertyContainer::SetPropertiesJson(const wpi::json& config,
wpi::Logger& logger,
wpi::StringRef logName,
CS_Status* status) {
for (auto&& prop : config) {
std::string name;
try {
name = prop.at("name").get<std::string>();
} catch (const wpi::json::exception& e) {
WPI_WARNING(logger,
logName << ": SetConfigJson: could not read property name: "
<< e.what());
continue;
}
int n = GetPropertyIndex(name);
try {
auto& v = prop.at("value");
if (v.is_string()) {
std::string val = v.get<std::string>();
WPI_INFO(logger, logName << ": SetConfigJson: setting property '"
<< name << "' to '" << val << '\'');
SetStringProperty(n, val, status);
} else if (v.is_boolean()) {
bool val = v.get<bool>();
WPI_INFO(logger, logName << ": SetConfigJson: setting property '"
<< name << "' to " << val);
SetProperty(n, val, status);
} else {
int val = v.get<int>();
WPI_INFO(logger, logName << ": SetConfigJson: setting property '"
<< name << "' to " << val);
SetProperty(n, val, status);
}
} catch (const wpi::json::exception& e) {
WPI_WARNING(logger,
logName << ": SetConfigJson: could not read property value: "
<< e.what());
continue;
}
}
return true;
}
wpi::json PropertyContainer::GetPropertiesJsonObject(CS_Status* status) {
wpi::json j;
wpi::SmallVector<int, 32> propVec;
for (int p : EnumerateProperties(propVec, status)) {
wpi::json prop;
wpi::SmallString<128> strBuf;
prop.emplace("name", GetPropertyName(p, strBuf, status));
switch (GetPropertyKind(p)) {
case CS_PROP_BOOLEAN:
prop.emplace("value", static_cast<bool>(GetProperty(p, status)));
break;
case CS_PROP_INTEGER:
case CS_PROP_ENUM:
prop.emplace("value", GetProperty(p, status));
break;
case CS_PROP_STRING:
prop.emplace("value", GetStringProperty(p, strBuf, status));
break;
default:
continue;
}
j.emplace_back(prop);
}
return j;
}