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https://github.com/MaskRay/ccls.git
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117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
/* Copyright 2017-2018 ccls Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 "position.hh"
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#include "serializer.hh"
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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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namespace ccls {
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Pos Pos::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 Pos::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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Pos 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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Pos 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(Pos 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, Pos &value) {
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if (visitor.Format() == SerializeFormat::Json) {
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value = Pos::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, Pos &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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} // namespace ccls
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