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Copy pathIncludeManager.hpp
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200 lines (157 loc) · 6.67 KB
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#ifndef RUNCPP2_INCLUDE_MANAGER_HPP
#define RUNCPP2_INCLUDE_MANAGER_HPP
#include "runcpp2/Data/ParseCommon.hpp"
#if !defined(NOMINMAX)
#define NOMINMAX 1
#endif
#include "ssLogger/ssLog.hpp"
#include "ghc/filesystem.hpp"
#include <fstream>
#include <vector>
#include <chrono>
#include <cstddef>
#include <string>
#include <system_error>
#if defined(INTERNAL_RUNCPP2_UNIT_TESTS) && \
INTERNAL_RUNCPP2_UNIT_TESTS == INTERNAL_RUNCPP2_UNIT_TESTS_INCLUDE_MANAGER
struct IncludeManagerAccessor;
#include "Tests/IncludeManager/MockComponents.hpp"
#else
#define CO_NO_OVERRIDE 1
#include "CppOverride.hpp"
#endif
namespace runcpp2
{
class IncludeManager
{
public:
IncludeManager() = default;
~IncludeManager() = default;
inline bool Initialize(const ghc::filesystem::path& buildDir)
{
INTERNAL_RUNCPP2_SAFE_START();
ssLOG_FUNC_DEBUG();
IncludeRecordDir = buildDir / "IncludeMaps";
std::error_code e;
if(!ghc::filesystem::exists(IncludeRecordDir, e))
{
if(!ghc::filesystem::create_directories(IncludeRecordDir, e))
{
ssLOG_ERROR("Failed to create IncludeMaps directory: " << IncludeRecordDir);
return false;
}
}
return true;
INTERNAL_RUNCPP2_SAFE_CATCH_RETURN(false);
}
inline bool WriteIncludeRecord( const ghc::filesystem::path& sourceFile,
const std::vector<ghc::filesystem::path>& includes)
{
INTERNAL_RUNCPP2_SAFE_START();
ssLOG_FUNC_DEBUG();
if(!sourceFile.is_absolute())
{
ssLOG_ERROR("Source file is not absolute: " << sourceFile);
return false;
}
ghc::filesystem::path recordPath = GetRecordPath(sourceFile);
std::ofstream recordFile(recordPath);
if(!recordFile.is_open())
{
ssLOG_ERROR("Failed to open include record file: " << recordPath);
return false;
}
for(const ghc::filesystem::path& include : includes)
recordFile << include.string() << "\n";
recordFile.close();
return true;
INTERNAL_RUNCPP2_SAFE_CATCH_RETURN(false);
}
inline bool ReadIncludeRecord( const ghc::filesystem::path& sourceFile,
std::vector<ghc::filesystem::path>& outIncludes,
ghc::filesystem::file_time_type& outRecordTime)
{
INTERNAL_RUNCPP2_SAFE_START();
ssLOG_FUNC_DEBUG();
if(!sourceFile.is_absolute())
{
ssLOG_ERROR("Source file is not absolute: " << sourceFile);
return false;
}
outIncludes.clear();
ghc::filesystem::path recordPath = GetRecordPath(sourceFile);
std::error_code e;
if(!ghc::filesystem::exists(recordPath, e))
return false;
outRecordTime = ghc::filesystem::last_write_time(recordPath, e);
std::ifstream recordFile(recordPath);
if(!recordFile.is_open())
{
ssLOG_ERROR("Failed to open include record file: " << recordPath);
return false;
}
std::string line;
while(std::getline(recordFile, line))
{
if(!line.empty())
outIncludes.push_back(ghc::filesystem::path(line));
}
return true;
INTERNAL_RUNCPP2_SAFE_CATCH_RETURN(false);
}
inline bool NeedsUpdate(const ghc::filesystem::path& sourceFile,
const std::vector<ghc::filesystem::path>& includes,
const ghc::filesystem::file_time_type& recordTime) const
{
INTERNAL_RUNCPP2_SAFE_START();
ssLOG_FUNC_DEBUG();
ssLOG_DEBUG("Checking includes for " << sourceFile.string());
std::error_code e;
ghc::filesystem::file_time_type sourceTime = ghc::filesystem::last_write_time(sourceFile, e);
ssLOG_DEBUG("sourceTime: " << sourceTime.time_since_epoch().count());
ssLOG_DEBUG("recordTime: " << recordTime.time_since_epoch().count());
if(sourceTime > recordTime)
{
ssLOG_DEBUG("Source file newer than include record");
return true;
}
for(const ghc::filesystem::path& include : includes)
{
if(!ghc::filesystem::exists(include, e))
{
ssLOG_DEBUG("Include file does not exist: " << include.string());
return true;
}
ghc::filesystem::file_time_type includeTime =
ghc::filesystem::last_write_time(include, e);
if(includeTime > recordTime)
{
ssLOG_DEBUG("Include time for " << include.string() <<
" is newer than record time");
return true;
}
}
ssLOG_DEBUG("No update needed for " << sourceFile.string());
return false;
INTERNAL_RUNCPP2_SAFE_CATCH_RETURN(true);
}
private:
#if defined(INTERNAL_RUNCPP2_UNIT_TESTS) && \
INTERNAL_RUNCPP2_UNIT_TESTS == INTERNAL_RUNCPP2_UNIT_TESTS_INCLUDE_MANAGER
friend struct ::IncludeManagerAccessor;
#endif
inline ghc::filesystem::path GetRecordPath(const ghc::filesystem::path& sourceFile) const
{
CO_INSERT_MEMBER_IMPL(OverrideInstance, ghc::filesystem::path, (sourceFile));
ghc::filesystem::path cleanSourceFile = sourceFile.lexically_normal();
std::size_t pathHash = std::hash<std::string>{}(cleanSourceFile.string());
return IncludeRecordDir / (std::to_string(pathHash) + ".Includes");
}
ghc::filesystem::path IncludeRecordDir;
};
}
#if defined(INTERNAL_RUNCPP2_UNIT_TESTS) && \
INTERNAL_RUNCPP2_UNIT_TESTS == INTERNAL_RUNCPP2_UNIT_TESTS_INCLUDE_MANAGER
#include "Tests/IncludeManager/UndefMocks.hpp"
#endif
#endif