foundationdb/fdbclient/Printable.cpp

93 lines
2.3 KiB
C++

/*
* Printable.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2026 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbclient/FDBTypes.h"
std::string printable(const VectorRef<KeyValueRef>& val) {
std::string s;
for (int i = 0; i < val.size(); i++)
s = s + printable(val[i].key) + format(":%d ", val[i].value.size());
return s;
}
std::string printable(const KeyValueRef& val) {
return printable(val.key) + format(":%d ", val.value.size());
}
std::string printable(const VectorRef<StringRef>& val) {
std::string s;
for (int i = 0; i < val.size(); i++)
s = s + printable(val[i]) + " ";
return s;
}
std::string printable(const StringRef& val) {
return val.printable();
}
std::string printable(const std::string& str) {
return StringRef(str).printable();
}
std::string printable(const KeyRangeRef& range) {
return printable(range.begin) + " - " + printable(range.end);
}
std::string printable(const VectorRef<KeyRangeRef>& val) {
std::string s;
for (int i = 0; i < val.size(); i++)
s = s + printable(val[i]) + " ";
return s;
}
int unhex(char c) {
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
UNREACHABLE();
}
std::string unprintable(std::string const& val) {
std::string s;
for (int i = 0; i < val.size(); i++) {
char c = val[i];
if (c == '\\') {
if (++i == val.size())
ASSERT(false);
if (val[i] == '\\') {
s += '\\';
} else if (val[i] == 'x') {
if (i + 2 >= val.size())
ASSERT(false);
s += char((unhex(val[i + 1]) << 4) + unhex(val[i + 2]));
i += 2;
} else {
ASSERT(false);
}
} else {
s += c;
}
}
return s;
}