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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "misc.h"
#include <iostream>
#include <sstream>
#include <xxhash.h>
#include <vespa/vespalib/stllike/asciistream.h>
#include <vespa/vespalib/util/exceptions.h>
#include <vespa/vespalib/data/slime/slime.h>
#include "exceptions.h"
using vespalib::Memory;
namespace config {
vespalib::string
calculateContentXxhash64(const StringVector & fileContents)
{
vespalib::string normalizedLines;
XXH64_hash_t xxhash64;
vespalib::asciistream s;
std::stringstream ss;
// remove comments, trailing spaces and empty lines
// TODO: Remove multiple spaces and space before comma, like in Java
for (int i = 0; i < (int)fileContents.size(); i++) {
std::string line = fileContents[i];
line = line.erase(line.find_last_not_of("#") + 1);
line = line.erase(line.find_last_not_of(" ") + 1);
if (line.size() > 0) {
line += "\n";
normalizedLines += line;
}
}
xxhash64 = XXH64((const unsigned char*)normalizedLines.c_str(), normalizedLines.size(), 0);
ss << std::hex << xxhash64;
ss << std::endl;
return ss.str();
}
StringVector
getlines(vespalib::asciistream & is, char delim)
{
StringVector lines;
while (!is.eof()) {
lines.push_back(is.getline(delim));
}
return lines;
}
bool
isGenerationNewer(int64_t newGen, int64_t oldGen)
{
return (newGen > oldGen) || (newGen == 0);
}
void
throwInvalid(const char *format, ...)
{
char buf[4000];
va_list args;
va_start(args, format);
vsnprintf(buf, sizeof buf, format, args);
va_end(args);
throw InvalidConfigException(buf);
}
using namespace vespalib::slime;
void copySlimeArray(const Inspector & src, Cursor & dest);
class CopyObjectTraverser : public ObjectTraverser
{
private:
Cursor & _dest;
public:
CopyObjectTraverser(Cursor & dest) : _dest(dest) {}
void field(const Memory & symbol, const Inspector & inspector) override {
switch(inspector.type().getId()) {
case NIX::ID:
_dest.addNix();
break;
case BOOL::ID:
_dest.setBool(symbol, inspector.asBool());
break;
case LONG::ID:
_dest.setLong(symbol, inspector.asLong());
break;
case DOUBLE::ID:
_dest.setDouble(symbol, inspector.asDouble());
break;
case STRING::ID:
_dest.setString(symbol, inspector.asString());
break;
case DATA::ID:
_dest.setData(symbol, inspector.asData());
break;
case ARRAY::ID:
copySlimeArray(inspector, _dest.setArray(symbol));
break;
case OBJECT::ID:
copySlimeObject(inspector, _dest.setObject(symbol));
break;
}
}
};
class CopyArrayTraverser : public ArrayTraverser
{
private:
Cursor & _dest;
public:
CopyArrayTraverser(Cursor & dest) : _dest(dest) {}
void entry(size_t idx, const Inspector & inspector) override {
(void) idx;
switch(inspector.type().getId()) {
case NIX::ID:
_dest.addNix();
break;
case BOOL::ID:
_dest.addBool(inspector.asBool());
break;
case LONG::ID:
_dest.addLong(inspector.asLong());
break;
case DOUBLE::ID:
_dest.addDouble(inspector.asDouble());
break;
case STRING::ID:
_dest.addString(inspector.asString());
break;
case DATA::ID:
_dest.addData(inspector.asData());
break;
case ARRAY::ID:
copySlimeArray(inspector, _dest.addArray());
break;
case OBJECT::ID:
copySlimeObject(inspector, _dest.addObject());
break;
}
}
};
void copySlimeArray(const Inspector & src, Cursor & dest)
{
if (src.type().getId() != ARRAY::ID) {
throw vespalib::IllegalArgumentException("Source inspector is not of type array");
}
CopyArrayTraverser traverser(dest);
src.traverse(traverser);
}
void copySlimeObject(const Inspector & src, Cursor & dest)
{
if (src.type().getId() != OBJECT::ID) {
throw vespalib::IllegalArgumentException("Source inspector is not of type object");
}
CopyObjectTraverser traverser(dest);
src.traverse(traverser);
}
}
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