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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 "java/AnnotationProcessor.h"
#include <algorithm>
#include "text/Unicode.h"
#include "text/Utf8Iterator.h"
#include "util/Util.h"
using ::aapt::text::Utf8Iterator;
using ::android::StringPiece;
namespace aapt {
StringPiece AnnotationProcessor::ExtractFirstSentence(const StringPiece& comment) {
Utf8Iterator iter(comment);
while (iter.HasNext()) {
const char32_t codepoint = iter.Next();
if (codepoint == U'.') {
const size_t current_position = iter.Position();
if (!iter.HasNext() || text::IsWhitespace(iter.Next())) {
return comment.substr(0, current_position);
}
}
}
return comment;
}
void AnnotationProcessor::AppendCommentLine(std::string& comment) {
static const std::string sDeprecated = "@deprecated";
static const std::string sSystemApi = "@SystemApi";
if (comment.find(sDeprecated) != std::string::npos) {
annotation_bit_mask_ |= kDeprecated;
}
std::string::size_type idx = comment.find(sSystemApi);
if (idx != std::string::npos) {
annotation_bit_mask_ |= kSystemApi;
comment.erase(comment.begin() + idx,
comment.begin() + idx + sSystemApi.size());
}
if (util::TrimWhitespace(comment).empty()) {
return;
}
if (!has_comments_) {
has_comments_ = true;
comment_ << "/**";
}
comment_ << "\n * " << std::move(comment);
}
void AnnotationProcessor::AppendComment(const StringPiece& comment) {
// We need to process line by line to clean-up whitespace and append prefixes.
for (StringPiece line : util::Tokenize(comment, '\n')) {
line = util::TrimWhitespace(line);
if (!line.empty()) {
std::string lineCopy = line.to_string();
AppendCommentLine(lineCopy);
}
}
}
void AnnotationProcessor::AppendNewLine() { comment_ << "\n *"; }
void AnnotationProcessor::WriteToStream(std::ostream* out,
const StringPiece& prefix) const {
if (has_comments_) {
std::string result = comment_.str();
for (StringPiece line : util::Tokenize(result, '\n')) {
*out << prefix << line << "\n";
}
*out << prefix << " */"
<< "\n";
}
if (annotation_bit_mask_ & kDeprecated) {
*out << prefix << "@Deprecated\n";
}
if (annotation_bit_mask_ & kSystemApi) {
*out << prefix << "@android.annotation.SystemApi\n";
}
}
} // namespace aapt
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