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66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#include "cache.h"
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#include "indexer.h"
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#include "platform.h"
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#include "language_server_api.h"
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#include <algorithm>
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namespace {
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std::string GetCachedBaseFileName(const std::string& cache_directory,
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std::string source_file) {
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assert(!cache_directory.empty());
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std::replace(source_file.begin(), source_file.end(), '\\', '_');
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std::replace(source_file.begin(), source_file.end(), '/', '_');
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std::replace(source_file.begin(), source_file.end(), ':', '_');
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return cache_directory + source_file;
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}
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} // namespace
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std::unique_ptr<IndexedFile> LoadCachedIndex(IndexerConfig* config,
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const std::string& filename) {
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if (!config->enableCacheRead)
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return nullptr;
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optional<std::string> file_content = ReadContent(
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GetCachedBaseFileName(config->cacheDirectory, filename) + ".json");
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if (!file_content)
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return nullptr;
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optional<IndexedFile> indexed = Deserialize(filename, *file_content);
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if (indexed && indexed->version == IndexedFile::kCurrentVersion)
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return MakeUnique<IndexedFile>(indexed.value());
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return nullptr;
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}
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optional<std::string> LoadCachedFileContents(IndexerConfig* config,
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const std::string& filename) {
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if (!config->enableCacheRead)
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return nullopt;
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return ReadContent(GetCachedBaseFileName(config->cacheDirectory, filename));
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}
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void WriteToCache(IndexerConfig* config,
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const std::string& filename,
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IndexedFile& file) {
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if (!config->enableCacheWrite)
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return;
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std::string cache_basename =
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GetCachedBaseFileName(config->cacheDirectory, filename);
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CopyFileTo(cache_basename, filename);
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std::string indexed_content = Serialize(file);
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std::ofstream cache;
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cache.open(cache_basename + ".json");
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assert(cache.good());
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cache << indexed_content;
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cache.close();
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}
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