wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-27 21:01:16 +02:00
Code Activity

Merge branch 'validPathInfo-temp' into validPathInfo-ca-proper-datatype

Browse source
This commit is contained in:
John Ericson 2020-06-18 23:01:58 +00:00
commit 3f8dcfe3fd
162 changed files with 3082 additions and 2187 deletions
Download patch file Download diff file Expand all files Collapse all files

88
src/libstore/path.hh
View file

@ -1,74 +1,60 @@
#pragma once
#include "rust-ffi.hh"
#include "content-address.hh"
#include "types.hh"
namespace nix {
/* See path.rs. */
struct StorePath;
class Store;
struct Hash;
extern "C" {
void ffi_StorePath_drop(void *);
bool ffi_StorePath_less_than(const StorePath & a, const StorePath & b);
bool ffi_StorePath_eq(const StorePath & a, const StorePath & b);
void ffi_StorePath_clone_to(const StorePath & _other, StorePath & _this);
unsigned char * ffi_StorePath_hash_data(const StorePath & p);
}
struct StorePath : rust::Value<3 * sizeof(void *) + 24, ffi_StorePath_drop>
class StorePath
{
std::string baseName;
public:
/* Size of the hash part of store paths, in base-32 characters. */
constexpr static size_t HashLen = 32; // i.e. 160 bits
StorePath() = delete;
static StorePath make(std::string_view path, std::string_view storeDir);
StorePath(std::string_view baseName);
static StorePath make(unsigned char hash[20], std::string_view name);
StorePath(const Hash & hash, std::string_view name);
static StorePath fromBaseName(std::string_view baseName);
rust::String to_string() const;
std::string_view to_string() const
{
return baseName;
}
bool operator < (const StorePath & other) const
{
return ffi_StorePath_less_than(*this, other);
return baseName < other.baseName;
}
bool operator == (const StorePath & other) const
{
return ffi_StorePath_eq(*this, other);
return baseName == other.baseName;
}
bool operator != (const StorePath & other) const
{
return !(*this == other);
return baseName != other.baseName;
}
StorePath(StorePath && that) = default;
StorePath(const StorePath & that)
{
ffi_StorePath_clone_to(that, *this);
}
void operator = (const StorePath & that)
{
(rust::Value<3 * sizeof(void *) + 24, ffi_StorePath_drop>::operator = (that));
ffi_StorePath_clone_to(that, *this);
}
StorePath clone() const;
/* Check whether a file name ends with the extension for
derivations. */
bool isDerivation() const;
std::string_view name() const;
unsigned char * hashData() const
std::string_view name() const
{
return ffi_StorePath_hash_data(*this);
return std::string_view(baseName).substr(HashLen + 1);
}
std::string_view hashPart() const
{
return std::string_view(baseName).substr(0, HashLen);
}
static StorePath dummy;
@ -77,14 +63,6 @@ struct StorePath : rust::Value<3 * sizeof(void *) + 24, ffi_StorePath_drop>
typedef std::set<StorePath> StorePathSet;
typedef std::vector<StorePath> StorePaths;
StorePathSet cloneStorePathSet(const StorePathSet & paths);
StorePathSet storePathsToSet(const StorePaths & paths);
StorePathSet singleton(const StorePath & path);
/* Size of the hash part of store paths, in base-32 characters. */
const size_t storePathHashLen = 32; // i.e. 160 bits
/* Extension of derivations in the Nix store. */
const std::string drvExtension = ".drv";
@ -93,18 +71,6 @@ struct StorePathWithOutputs
StorePath path;
std::set<std::string> outputs;
StorePathWithOutputs(const StorePath & path, const std::set<std::string> & outputs = {})
: path(path.clone()), outputs(outputs)
{ }
StorePathWithOutputs(StorePath && path, std::set<std::string> && outputs)
: path(std::move(path)), outputs(std::move(outputs))
{ }
StorePathWithOutputs(const StorePathWithOutputs & other)
: path(other.path.clone()), outputs(other.outputs)
{ }
std::string to_string(const Store & store) const;
};
@ -117,7 +83,7 @@ namespace std {
template<> struct hash<nix::StorePath> {
std::size_t operator()(const nix::StorePath & path) const noexcept
{
return * (std::size_t *) path.hashData();
return * (std::size_t *) path.to_string().data();
}
};