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/*
* Copyright (C) 2017 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 "Location.h"
#include <android-base/logging.h>
#include <tuple>
namespace android {
Position::Position(std::string filename, size_t line, size_t column)
: mFilename(filename), mLine(line), mColumn(column) {}
const std::string& Position::filename() const {
return mFilename;
}
size_t Position::line() const {
return mLine;
}
size_t Position::column() const {
return mColumn;
}
bool Position::inSameFile(const Position& lhs, const Position& rhs) {
return lhs.mFilename == rhs.mFilename;
}
bool Position::operator<(const Position& pos) const {
return std::tie(mFilename, mLine, mColumn) < std::tie(pos.mFilename, pos.mLine, pos.mColumn);
}
std::ostream& operator<<(std::ostream& ostr, const Position& pos) {
if (!pos.filename().empty()) {
ostr << pos.filename() << ":";
}
return ostr << pos.line() << "." << pos.column();
}
////////////////////////////////////////
Location::Location(const Position& begin, const Position& end)
: mIsValid(true), mBegin(begin), mEnd(end) {}
void Location::setLocation(const Position& begin, const Position& end) {
mIsValid = true;
mBegin = begin;
mEnd = end;
}
bool Location::isValid() const {
return mIsValid;
}
const Position& Location::begin() const {
return mBegin;
}
const Position& Location::end() const {
return mEnd;
}
Location Location::startOf(const std::string& path) {
return Location(Position(path, 1, 1), Position(path, 1, 1));
}
bool Location::inSameFile(const Location& lhs, const Location& rhs) {
return Position::inSameFile(lhs.mBegin, rhs.mBegin);
}
bool Location::intersect(const Location& lhs, const Location& rhs) {
if (!inSameFile(lhs, rhs)) return false;
return !(lhs.mEnd < rhs.mBegin || rhs.mEnd < lhs.mBegin);
}
bool Location::operator<(const Location& loc) const {
return std::tie(mBegin, mEnd) < std::tie(loc.mBegin, loc.mEnd);
}
std::ostream& operator<<(std::ostream& ostr, const Location& loc) {
Position last = Position(loc.end().filename(), loc.end().line(),
std::max<size_t>(1u, loc.end().column() - 1));
ostr << loc.begin();
if (loc.begin().filename() != last.filename()) {
ostr << "-" << last;
} else if (loc.begin().line() != last.line()) {
ostr << "-" << last.line() << "." << last.column();
} else if (loc.begin().column() != last.column()) {
ostr << "-" << last.column();
}
return ostr;
}
} // namespace android
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