#ifndef TOOLS_GN_SOURCE_FILE_H_
#define TOOLS_GN_SOURCE_FILE_H_
#include <string>
#include "base/containers/hash_tables.h"
#include "base/files/file_path.h"
#include "base/logging.h"
#include "base/strings/string_piece.h"
class SourceDir;
class SourceFile {
public:
SourceFile();
explicit SourceFile(const base::StringPiece& p);
~SourceFile();
bool is_null() const { return value_.empty(); }
const std::string& value() const { return value_; }
std::string GetName() const;
SourceDir GetDir() const;
base::FilePath Resolve(const base::FilePath& source_root) const;
bool is_source_absolute() const {
return value_.size() >= 2 && value_[0] == '/' && value_[1] == '/';
}
bool is_system_absolute() const {
return !is_source_absolute();
}
base::StringPiece SourceAbsoluteWithOneSlash() const {
CHECK(is_source_absolute());
return base::StringPiece(&value_[1], value_.size() - 1);
}
bool operator==(const SourceFile& other) const {
return value_ == other.value_;
}
bool operator!=(const SourceFile& other) const {
return !operator==(other);
}
bool operator<(const SourceFile& other) const {
return value_ < other.value_;
}
private:
friend class SourceDir;
std::string value_;
};
namespace BASE_HASH_NAMESPACE {
#if defined(COMPILER_GCC)
template<> struct hash<SourceFile> {
std::size_t operator()(const SourceFile& v) const {
hash<std::string> h;
return h(v.value());
}
};
#elif defined(COMPILER_MSVC)
inline size_t hash_value(const SourceFile& v) {
return hash_value(v.value());
}
#endif
}
#endif