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103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
// Copyright 2017-2018 ccls Authors
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// SPDX-License-Identifier: Apache-2.0
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#include "position.h"
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#include "serializer.h"
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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Position Position::FromString(const std::string &encoded) {
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char *p = const_cast<char *>(encoded.c_str());
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int16_t line = int16_t(strtol(p, &p, 10)) - 1;
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assert(*p == ':');
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p++;
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int16_t column = int16_t(strtol(p, &p, 10)) - 1;
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return {line, column};
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}
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std::string Position::ToString() {
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char buf[99];
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snprintf(buf, sizeof buf, "%d:%d", line + 1, column + 1);
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return buf;
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}
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Range Range::FromString(const std::string &encoded) {
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Position start, end;
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char *p = const_cast<char *>(encoded.c_str());
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start.line = int16_t(strtol(p, &p, 10)) - 1;
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assert(*p == ':');
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p++;
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start.column = int16_t(strtol(p, &p, 10)) - 1;
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assert(*p == '-');
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p++;
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end.line = int16_t(strtol(p, &p, 10)) - 1;
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assert(*p == ':');
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p++;
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end.column = int16_t(strtol(p, nullptr, 10)) - 1;
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return {start, end};
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}
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bool Range::Contains(int line, int column) const {
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if (line > INT16_MAX)
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return false;
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Position p{int16_t(line), int16_t(std::min(column, INT16_MAX))};
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return !(p < start) && p < end;
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}
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Range Range::RemovePrefix(Position position) const {
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return {std::min(std::max(position, start), end), end};
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}
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std::string Range::ToString() {
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char buf[99];
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snprintf(buf, sizeof buf, "%d:%d-%d:%d", start.line + 1, start.column + 1,
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end.line + 1, end.column + 1);
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return buf;
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}
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// Position
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void Reflect(Reader &visitor, Position &value) {
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if (visitor.Format() == SerializeFormat::Json) {
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value = Position::FromString(visitor.GetString());
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} else {
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Reflect(visitor, value.line);
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Reflect(visitor, value.column);
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}
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}
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void Reflect(Writer &visitor, Position &value) {
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if (visitor.Format() == SerializeFormat::Json) {
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std::string output = value.ToString();
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visitor.String(output.c_str(), output.size());
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} else {
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Reflect(visitor, value.line);
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Reflect(visitor, value.column);
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}
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}
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// Range
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void Reflect(Reader &visitor, Range &value) {
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if (visitor.Format() == SerializeFormat::Json) {
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value = Range::FromString(visitor.GetString());
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} else {
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Reflect(visitor, value.start.line);
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Reflect(visitor, value.start.column);
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Reflect(visitor, value.end.line);
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Reflect(visitor, value.end.column);
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}
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}
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void Reflect(Writer &visitor, Range &value) {
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if (visitor.Format() == SerializeFormat::Json) {
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std::string output = value.ToString();
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visitor.String(output.c_str(), output.size());
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} else {
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Reflect(visitor, value.start.line);
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Reflect(visitor, value.start.column);
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Reflect(visitor, value.end.line);
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Reflect(visitor, value.end.column);
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}
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}
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