a693c4a32e
FileOutputStream is safe to use on Windows, as it opens files using our compatibility API. Bug: 68262818 Test: make aapt2_tests Change-Id: Ib0b27e93edd609b49b1327db7d9867a002198ebb
94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/*
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* Copyright (C) 2017 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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#include "text/Printer.h"
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#include <algorithm>
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#include "io/Util.h"
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using ::aapt::io::OutputStream;
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using ::android::StringPiece;
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namespace aapt {
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namespace text {
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Printer& Printer::Println(const StringPiece& str) {
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Print(str);
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return Print("\n");
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}
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Printer& Printer::Println() {
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return Print("\n");
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}
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Printer& Printer::Print(const StringPiece& str) {
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if (error_) {
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return *this;
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}
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auto remaining_str_begin = str.begin();
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const auto remaining_str_end = str.end();
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while (remaining_str_end != remaining_str_begin) {
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// Find the next new-line.
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const auto new_line_iter = std::find(remaining_str_begin, remaining_str_end, '\n');
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// We will copy the string up until the next new-line (or end of string).
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const StringPiece str_to_copy = str.substr(remaining_str_begin, new_line_iter);
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if (!str_to_copy.empty()) {
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if (needs_indent_) {
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for (int i = 0; i < indent_level_; i++) {
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if (!io::Copy(out_, " ")) {
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error_ = true;
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return *this;
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}
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}
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needs_indent_ = false;
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}
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if (!io::Copy(out_, str_to_copy)) {
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error_ = true;
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return *this;
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}
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}
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// If we found a new-line.
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if (new_line_iter != remaining_str_end) {
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if (!io::Copy(out_, "\n")) {
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error_ = true;
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return *this;
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}
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needs_indent_ = true;
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// Ok to increment iterator here because we know that the '\n' character is one byte.
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remaining_str_begin = new_line_iter + 1;
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} else {
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remaining_str_begin = new_line_iter;
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}
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}
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return *this;
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}
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void Printer::Indent() {
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++indent_level_;
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}
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void Printer::Undent() {
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--indent_level_;
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}
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} // namespace text
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} // namespace aapt
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