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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "payload_converter.h"
#include <vespa/vespalib/data/memory.h>
using namespace vespalib::slime;
using vespalib::Memory;
namespace config {
PayloadConverter::PayloadConverter(const Inspector & inspector)
: _inspector(inspector),
_lines()
{}
PayloadConverter::~PayloadConverter() = default;
const StringVector &
PayloadConverter::convert()
{
_lines.clear();
ObjectTraverser & traverser(*this);
_inspector.traverse(traverser);
return _lines;
}
void
PayloadConverter::encodeObject(const Memory & symbol, const Inspector & object)
{
_nodeStack.push_back(Node(symbol.make_string()));
ObjectTraverser & traverser(*this);
object.traverse(traverser);
_nodeStack.pop_back();
}
void
PayloadConverter::encodeArray(const Memory & symbol, const Inspector & array)
{
_nodeStack.push_back(Node(symbol.make_string()));
ArrayTraverser & traverser(*this);
array.traverse(traverser);
_nodeStack.pop_back();
}
void
PayloadConverter::encode(const Inspector & inspector)
{
ObjectTraverser & traverser(*this);
switch (inspector.type().getId()) {
case OBJECT::ID:
inspector.traverse(traverser);
break;
default:
encodeValue(inspector);
break;
}
}
void
PayloadConverter::encode(const Memory & symbol, const Inspector & inspector)
{
switch (inspector.type().getId()) {
case OBJECT::ID:
encodeObject(symbol, inspector);
break;
case ARRAY::ID:
encodeArray(symbol, inspector);
break;
default:
_nodeStack.push_back(Node(symbol.make_string()));
encodeValue(inspector);
_nodeStack.pop_back();
break;
}
}
void
PayloadConverter::field(const Memory& symbol, const Inspector & inspector)
{
encode(symbol, inspector);
}
void
PayloadConverter::entry(size_t idx, const Inspector & inspector)
{
_nodeStack.push_back(Node(idx));
encode(inspector);
_nodeStack.pop_back();
}
void
PayloadConverter::printPrefix()
{
for (size_t i = 0; i < _nodeStack.size(); i++) {
bool first = (i == 0);
Node & node(_nodeStack[i]);
if (node.arrayIndex >= 0) {
encodeString("[");
encodeLong(node.arrayIndex);
encodeString("]");
} else {
if (!first) {
encodeString(".");
}
encodeString(node.name);
}
}
encodeString(" ");
}
void
PayloadConverter::encodeValue(const Inspector & value)
{
printPrefix();
switch (value.type().getId()) {
case STRING::ID:
encodeQuotedString(value.asString().make_string());
break;
case LONG::ID:
encodeLong(value.asLong());
break;
case DOUBLE::ID:
encodeDouble(value.asDouble());
break;
case BOOL::ID:
encodeBool(value.asBool());
break;
}
_lines.push_back(_buf.str());
_buf.clear();
}
void
PayloadConverter::encodeString(const vespalib::string & value)
{
_buf << value;
}
void PayloadConverter::encodeLong(long value) { _buf << value; }
void PayloadConverter::encodeDouble(double value) { _buf << value; }
void PayloadConverter::encodeBool(bool value) { _buf << (value ? "true" : "false"); }
void
PayloadConverter::encodeQuotedString(const vespalib::string & value)
{
encodeString("\"");
encodeString(value);
encodeString("\"");
}
} // namespace config
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