本文整理汇总了C++中ConfigNode::IsNull方法的典型用法代码示例。如果您正苦于以下问题：C++ ConfigNode::IsNull方法的具体用法？C++ ConfigNode::IsNull怎么用？C++ ConfigNode::IsNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ConfigNode的用法示例。
在下文中一共展示了ConfigNode::IsNull方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: print
void print(const ConfigNode& in, const std::string& indent, std::ostream& os, bool longMap, bool newlines,
unsigned maxDepth) {
if (maxDepth == 0) {
os << "...";
return;
}
if (in.IsScalar()) {
os << indent << in.as<std::string>();
return;
}
std::string deeperIndent;
if (newlines) {
deeperIndent = indent;
deeperIndent.push_back(' ');
deeperIndent.push_back(' ');
}
bool const sequence = in.IsSequence();
bool const map = in.IsMap();
if (!(sequence || map)) return;
YAML::const_iterator i = in.begin(), end = in.end();
if (sequence) {
if (newlines && !sequenceAllScalar(in.begin(), in.end())) {
for (; i != end; ++i) {
os << indent << "- ";
ConfigNode node = *i;
if (node.IsScalar())
os << node.as<std::string>();
else
print(*i, deeperIndent, os, longMap, newlines, --maxDepth);
os << '\n';
}
} else {
os << indent << "[ ";
bool first = true;
for (; i != end; ++i) {
ConfigNode node = *i;
if (!first) os << ", ";
if (node.IsScalar())
os << node.as<std::string>();
else if (node.IsMap())
print(node, "", os, longMap, newlines, --maxDepth);
else if (node.IsSequence())
print(node, "", os, longMap, newlines, --maxDepth);
first = false;
}
os << " ]";
}
} else {
assert(map);
if (!longMap && !newlines) longMap = true;
if (longMap) {
os << " { ";
}
if (newlines) os << '\n';
bool first = true;
for (; i != end; ++i) {
std::string const& key = i->first.as<std::string>();
ConfigNode val = i->second;
if (!val.IsNull()) {
if (!first) {
if (longMap) os << ", ";
if (newlines) os << '\n';
}
os << (newlines && longMap ? deeperIndent : indent) << key << ": ";
if (val.IsScalar())
os << val.as<std::string>();
else
print(val, deeperIndent, os, longMap, newlines, --maxDepth);
}
first = false;
}
if (longMap) {
if (newlines) {
os << '\n';
os << indent << "}";
} else
os << indent << " }";
}
}
}