aboutsummaryrefslogtreecommitdiff
path: root/src/libstore/path.cc
blob: 9a28aa96ad4f115c96969e91e907fbc298b27035 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
#include "store-api.hh"

namespace nix {

extern "C" {
    rust::Result<StorePath> ffi_StorePath_new(rust::StringSlice path, rust::StringSlice storeDir);
    rust::Result<StorePath> ffi_StorePath_new2(unsigned char hash[20], rust::StringSlice storeDir);
    rust::Result<StorePath> ffi_StorePath_fromBaseName(rust::StringSlice baseName);
    rust::String ffi_StorePath_to_string(const StorePath & _this);
    StorePath ffi_StorePath_clone(const StorePath & _this);
    rust::StringSlice ffi_StorePath_name(const StorePath & _this);
}

StorePath StorePath::make(std::string_view path, std::string_view storeDir)
{
    return ffi_StorePath_new((rust::StringSlice) path, (rust::StringSlice) storeDir).unwrap();
}

StorePath StorePath::make(unsigned char hash[20], std::string_view name)
{
    return ffi_StorePath_new2(hash, (rust::StringSlice) name).unwrap();
}

StorePath StorePath::fromBaseName(std::string_view baseName)
{
    return ffi_StorePath_fromBaseName((rust::StringSlice) baseName).unwrap();
}

rust::String StorePath::to_string() const
{
    return ffi_StorePath_to_string(*this);
}

StorePath StorePath::clone() const
{
    return ffi_StorePath_clone(*this);
}

bool StorePath::isDerivation() const
{
    return hasSuffix(name(), drvExtension);
}

std::string_view StorePath::name() const
{
    return ffi_StorePath_name(*this);
}

StorePath StorePath::dummy(
    StorePath::make(
        (unsigned char *) "xxxxxxxxxxxxxxxxxxxx", "x"));

StorePath Store::parseStorePath(std::string_view path) const
{
    return StorePath::make(path, storeDir);
}

std::optional<StorePath> Store::maybeParseStorePath(std::string_view path) const
{
    try {
        return parseStorePath(path);
    } catch (Error &) {
        return {};
    }
}

bool Store::isStorePath(std::string_view path) const
{
    return (bool) maybeParseStorePath(path);
}

StorePathSet Store::parseStorePathSet(const PathSet & paths) const
{
    StorePathSet res;
    for (auto & i : paths) res.insert(parseStorePath(i));
    return res;
}

std::string Store::printStorePath(const StorePath & path) const
{
    auto s = storeDir + "/";
    s += (std::string_view) path.to_string();
    return s;
}

PathSet Store::printStorePathSet(const StorePathSet & paths) const
{
    PathSet res;
    for (auto & i : paths) res.insert(printStorePath(i));
    return res;
}

StorePathSet cloneStorePathSet(const StorePathSet & paths)
{
    StorePathSet res;
    for (auto & p : paths)
        res.insert(p.clone());
    return res;
}

StorePathSet storePathsToSet(const StorePaths & paths)
{
    StorePathSet res;
    for (auto & p : paths)
        res.insert(p.clone());
    return res;
}

StorePathSet singleton(const StorePath & path)
{
    StorePathSet res;
    res.insert(path.clone());
    return res;
}

std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s)
{
    size_t n = s.find("!");
    return n == s.npos
        ? std::make_pair(s, std::set<string>())
        : std::make_pair(((std::string_view) s).substr(0, n),
            tokenizeString<std::set<string>>(((std::string_view) s).substr(n + 1), ","));
}

StorePathWithOutputs Store::parsePathWithOutputs(const std::string & s)
{
    auto [path, outputs] = nix::parsePathWithOutputs(s);
    return {parseStorePath(path), std::move(outputs)};
}

}