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156 lines
3.5 KiB
156 lines
3.5 KiB
/*
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* Copyright (C) 2015 The Android Open Source Project
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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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#ifndef AAPT_DIAGNOSTICS_H
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#define AAPT_DIAGNOSTICS_H
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#include <iostream>
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#include <sstream>
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#include <string>
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#include "android-base/macros.h"
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#include "androidfw/StringPiece.h"
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#include "Source.h"
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#include "util/Util.h"
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namespace aapt {
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struct DiagMessageActual {
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Source source;
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std::string message;
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};
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struct DiagMessage {
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public:
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DiagMessage() = default;
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explicit DiagMessage(const android::StringPiece& src) : source_(src) {}
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explicit DiagMessage(const Source& src) : source_(src) {}
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explicit DiagMessage(size_t line) : source_(Source().WithLine(line)) {}
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template <typename T>
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DiagMessage& operator<<(const T& value) {
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message_ << value;
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return *this;
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}
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DiagMessageActual Build() const {
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return DiagMessageActual{source_, message_.str()};
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}
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private:
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Source source_;
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std::stringstream message_;
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};
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template <>
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inline DiagMessage& DiagMessage::operator<<(const ::std::u16string& value) {
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message_ << android::StringPiece16(value);
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return *this;
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}
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struct IDiagnostics {
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virtual ~IDiagnostics() = default;
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enum class Level { Note, Warn, Error };
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virtual void Log(Level level, DiagMessageActual& actualMsg) = 0;
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virtual void Error(const DiagMessage& message) {
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DiagMessageActual actual = message.Build();
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Log(Level::Error, actual);
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}
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virtual void Warn(const DiagMessage& message) {
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DiagMessageActual actual = message.Build();
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Log(Level::Warn, actual);
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}
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virtual void Note(const DiagMessage& message) {
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DiagMessageActual actual = message.Build();
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Log(Level::Note, actual);
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}
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};
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class StdErrDiagnostics : public IDiagnostics {
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public:
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StdErrDiagnostics() = default;
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void Log(Level level, DiagMessageActual& actual_msg) override {
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const char* tag;
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switch (level) {
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case Level::Error:
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num_errors_++;
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if (num_errors_ > 20) {
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return;
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}
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tag = "error";
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break;
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case Level::Warn:
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tag = "warn";
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break;
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case Level::Note:
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tag = "note";
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break;
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}
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if (!actual_msg.source.path.empty()) {
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std::cerr << actual_msg.source << ": ";
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}
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std::cerr << tag << ": " << actual_msg.message << "." << std::endl;
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}
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private:
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size_t num_errors_ = 0;
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DISALLOW_COPY_AND_ASSIGN(StdErrDiagnostics);
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};
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class SourcePathDiagnostics : public IDiagnostics {
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public:
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SourcePathDiagnostics(const Source& src, IDiagnostics* diag)
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: source_(src), diag_(diag) {}
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void Log(Level level, DiagMessageActual& actual_msg) override {
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actual_msg.source.path = source_.path;
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diag_->Log(level, actual_msg);
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if (level == Level::Error) {
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error = true;
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}
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}
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bool HadError() {
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return error;
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}
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private:
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Source source_;
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IDiagnostics* diag_;
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bool error = false;
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DISALLOW_COPY_AND_ASSIGN(SourcePathDiagnostics);
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};
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} // namespace aapt
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#endif /* AAPT_DIAGNOSTICS_H */
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