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66 lines
1.9 KiB
66 lines
1.9 KiB
4 months ago
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/*
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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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#pragma once
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#include <stdio.h>
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#include <functional>
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#include <memory>
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#include <ostream>
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#include <string>
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#include <utility>
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namespace android {
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namespace aidl {
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class CodeWriter;
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using CodeWriterPtr = std::unique_ptr<CodeWriter>;
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class CodeWriter {
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public:
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// Get a CodeWriter that writes to a file. When filename is "-",
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// it is written to stdout.
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static CodeWriterPtr ForFile(const std::string& filename);
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// Get a CodeWriter that writes to a string buffer.
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// The buffer gets updated only after Close() is called or the CodeWriter
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// is deleted -- much like a real file.
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static CodeWriterPtr ForString(std::string* buf);
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// Write a formatted string to this writer in the usual printf sense.
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// Returns false on error.
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virtual bool Write(const char* format, ...) __attribute__((format(printf, 2, 3)));
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void Indent();
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void Dedent();
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virtual bool Close();
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virtual ~CodeWriter() = default;
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CodeWriter() = default;
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CodeWriter& operator<<(const char* s);
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CodeWriter& operator<<(const std::string& str);
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private:
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CodeWriter(std::unique_ptr<std::ostream> ostream);
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std::string ApplyIndent(const std::string& str);
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const std::unique_ptr<std::ostream> ostream_;
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int indent_level_ {0};
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bool start_of_line_ {true};
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};
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std::string QuotedEscape(const std::string& str);
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} // namespace aidl
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} // namespace android
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