92 lines
2.4 KiB
C++
92 lines
2.4 KiB
C++
/*
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* XmlTraceLogFormatter.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "flow/flow.h"
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#include "flow/XmlTraceLogFormatter.h"
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#include "flow/actorcompiler.h"
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void XmlTraceLogFormatter::addref() {
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ReferenceCounted<XmlTraceLogFormatter>::addref();
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}
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void XmlTraceLogFormatter::delref() {
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ReferenceCounted<XmlTraceLogFormatter>::delref();
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}
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const char* XmlTraceLogFormatter::getExtension() {
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return "xml";
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}
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const char* XmlTraceLogFormatter::getHeader() {
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return "<?xml version=\"1.0\"?>\r\n<Trace>\r\n";
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}
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const char* XmlTraceLogFormatter::getFooter() {
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return "</Trace>\r\n";
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}
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void XmlTraceLogFormatter::escape(std::stringstream& ss, std::string source) {
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loop {
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int index = source.find_first_of(std::string({ '&', '"', '<', '>', '\r', '\n', '\0' }));
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if (index == source.npos) {
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break;
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}
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ss << source.substr(0, index);
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if (source[index] == '&') {
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ss << "&";
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} else if (source[index] == '"') {
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ss << """;
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} else if (source[index] == '<') {
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ss << "<";
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} else if (source[index] == '>') {
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ss << ">";
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} else if (source[index] == '\n' || source[index] == '\r') {
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ss << " ";
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} else if (source[index] == '\0') {
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ss << " ";
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TraceEvent(SevWarnAlways, "StrippedIllegalCharacterFromTraceEvent")
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.detail("Source", StringRef(source).printable())
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.detail("Character", StringRef(source.substr(index, 1)).printable());
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} else {
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ASSERT(false);
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}
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source = source.substr(index + 1);
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}
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ss << source;
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}
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std::string XmlTraceLogFormatter::formatEvent(const TraceEventFields& fields) {
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std::stringstream ss;
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ss << "<Event ";
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for (auto itr : fields) {
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escape(ss, itr.first);
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ss << "=\"";
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escape(ss, itr.second);
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ss << "\" ";
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}
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ss << "/>\r\n";
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return ss.str();
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}
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