-
-
Notifications
You must be signed in to change notification settings - Fork 373
/
Distribution.pm6
282 lines (252 loc) Β· 9.05 KB
/
Distribution.pm6
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
# API to obtain the data of any addressable content
role Distribution { ... }
role Distribution {
# `meta` provides an API to the meta data in META6 spec (s22)
# - A Distribution may be represented internally by some other
# spec (such as using the file system itself for prereqs), as
# long as it can also be represented as the META6 hash format
method meta(--> Hash:D) {
# Cannot just use ... here as that would break legacy code
my $class-name = ::?CLASS.^name;
die $class-name eq 'Distribution'
?? 'Legacy Distribution object used in code expecting an object consuming the Distribution role'
!! "Method 'meta' must be implemented by $class-name because it is required by role Distribution"
}
# `content($content-id)` provides an API to the data itself
# - Use `.meta` to determine the $address of a specific $content-id
# - IO::Handle is meant to be a data stream that may or may not be available; for now
# it would return an IO::Handle and have `.open.slurp-rest(:bin)` called on it. So if
# a socket wants to handle this role currently it would have to wrap `open` or `.slurp-rest`
# to handle any protocol negotiation as well as probably saving the data to a tmpfile and
# return an IO::Handle to that
method content($content-id --> IO::Handle:D) {
# Cannot just use ... here as that would break legacy code
my $class-name = ::?CLASS.^name;
die $class-name eq 'Distribution'
?? 'Legacy Distribution object used in code expecting an object consuming the Distribution role'
!! "Method 'content' must be implemented by $class-name because it is required by role Distribution"
}
# Backwards compatibility shim
submethod new(*%_) {
::?CLASS.^name eq 'Distribution'
?? class :: {
has $.name;
has $.auth;
has $.author;
has $.authority;
has $.api;
has $.ver;
has $.version;
has $.description;
has @.depends;
has %.provides;
has %.files;
has $.source-url;
method auth { $!auth // $!author // $!authority }
method ver { $!ver // $!version }
method meta(--> Hash:D) {
{
:$!name,
:$.auth,
:$.ver,
:$.api,
:$!description,
:@!depends,
:%!provides,
:%!files,
:$!source-url,
}
}
method Str() {
return "{$.meta<name>}"
~ ":ver<{$.meta<ver> // ''}>"
~ ":auth<{$.meta<auth> // ''}>"
~ ":api<{$.meta<api> // ''}>";
}
method content($content-id --> IO::Handle:D) { }
}.new(|%_)
!! self.bless(|%_)
}
}
role Distribution::Locally does Distribution {
has IO::Path $.prefix;
method content($address) {
my $handle = IO::Handle.new: path => IO::Path.new($address, :CWD($!prefix.absolute // $*CWD.absolute));
$handle // $handle.throw;
}
}
# A distribution passed to `CURI.install()` will get encapsulated in this
# class, which normalizes the meta6 data and adds identifiers/content-id
class CompUnit::Repository::Distribution {
has Distribution $!dist handles 'content';
has $!meta;
submethod BUILD(:$!meta, :$!dist --> Nil) { }
method new(Distribution $dist) {
my $meta = $dist.meta.hash;
$meta<ver> //= $meta<version>;
$meta<auth> //= $meta<authority> // $meta<author>;
self.bless(:$dist, :$meta);
}
method meta { $!meta }
method Str() {
return "{$.meta<name>}"
~ ":ver<{$.meta<ver> // ''}>"
~ ":auth<{$.meta<auth> // ''}>"
~ ":api<{$.meta<api> // ''}>";
}
method id() {
return nqp::sha1(self.Str);
}
}
class Distribution::Hash does Distribution::Locally {
has $!meta;
submethod BUILD(:$!meta, :$!prefix --> Nil) { }
method new($hash, :$prefix) { self.bless(:meta($hash), :$prefix) }
method meta { $!meta }
method perl {
self.^name ~ ".new({$!meta.perl}, prefix => {$!prefix.perl})";
}
}
class Distribution::Path does Distribution::Locally {
has $!meta;
has $!meta-file;
submethod BUILD(:$!meta, :$!prefix, :$!meta-file --> Nil) { }
method new(IO::Path $prefix, IO::Path :$meta-file = IO::Path) {
my $meta-path = $meta-file // $prefix.add('META6.json');
die "No meta file located at {$meta-path.path}" unless $meta-path.e;
my $meta = Rakudo::Internals::JSON.from-json($meta-path.slurp);
# generate `files` (special directories) directly from the file system
my %bins = Rakudo::Internals.DIR-RECURSE($prefix.add('bin').absolute).map(*.IO).map: -> $real-path {
my $name-path = $real-path.is-relative
?? $real-path
!! $real-path.relative($prefix);
$name-path.subst(:g, '\\', '/') => $name-path.subst(:g, '\\', '/')
}
my $resources-dir = $prefix.add('resources');
my %resources = $meta<resources>.grep(*.?chars).map(*.IO).map: -> $path {
my $real-path = $path ~~ m/^libraries\/(.*)/
?? $resources-dir.add('libraries').add( $*VM.platform-library-name($0.Str.IO) )
!! $resources-dir.add($path);
my $name-path = $path.is-relative
?? "resources/{$path}"
!! "resources/{$path.relative($prefix)}";
$name-path.subst(:g, '\\', '/') => $real-path.relative($prefix).subst(:g, '\\', '/')
}
$meta<files> = Hash.new(%bins, %resources);
self.bless(:$meta, :$prefix, :$meta-file);
}
method meta { $!meta }
method perl {
self.^name ~ ".new({$!prefix.perl}, meta-file => {$!meta-file.perl})";
}
}
role CompUnit::Repository { ... }
class Distribution::Resource {
has $.repo;
has $.repo-name;
has $.dist-id;
has $.key;
method IO() {
my $repo := self.repo-name
?? CompUnit::RepositoryRegistry.repository-for-name(self.repo-name)
!! CompUnit::RepositoryRegistry.repository-for-spec(self.repo);
$repo.resource(self.dist-id, "resources/$.key")
}
method platform-library-name() {
my $library = self.IO;
($library ~~ /\.<.alpha>+$/ or $library ~~ /\.so(\.<.digit>+)+$/) #Already a full name?
?? $library
!! $*VM.platform-library-name($library)
}
# delegate appropriate IO::Path methods to the resource IO::Path object
multi method Str(::?CLASS:D: |c) {
self.IO.Str(|c)
}
multi method gist(::?CLASS:D: |c) {
self.IO.gist(|c)
}
multi method perl(::?CLASS:D: |c) {
self.IO.perl(|c)
}
method absolute(|c) {
self.IO.absolute(|c)
}
method is-absolute(|c) {
self.IO.is-absolute(|c)
}
method relative(|c) {
self.IO.relative(|c)
}
method is-relative(|c) {
self.IO.is-relative(|c)
}
method parts(|c) {
self.IO.parts(|c)
}
method volume(|c) {
self.IO.volume(|c)
}
method dirname(|c) {
self.IO.dirname(|c)
}
method basename(|c) {
self.IO.basename(|c)
}
method extension(|c) {
self.IO.extension(|c)
}
method open(|c) {
self.IO.open(|c)
}
method resolve(|c) {
self.IO.resolve(|c)
}
method slurp(|c) {
self.IO.slurp(|c)
}
method lines(|c) {
self.IO.lines(|c)
}
method comb(|c) {
self.IO.comb(|c)
}
method split(|c) {
self.IO.split(|c)
}
method words(|c) {
self.IO.words(|c)
}
method copy(|c) {
self.IO.copy(|c)
}
}
class Distribution::Resources does Associative {
has Str $.dist-id;
has Str $.repo;
has Str $.repo-name;
proto method BUILD(|) {*}
multi method BUILD(:$!dist-id, CompUnit::Repository :$repo --> Nil) {
unless $repo.can('name') and $!repo-name = $repo.name and $!repo-name ne '' {
$!repo = $repo.path-spec;
$!repo-name = Str;
}
}
multi method BUILD(:$!dist-id, :$repo, Str :$!repo-name --> Nil) { }
multi method BUILD(:$!dist-id, Str :$!repo, :$repo-name --> Nil) { }
method from-precomp() {
if %*ENV<RAKUDO_PRECOMP_DIST> -> \dist {
my %data := Rakudo::Internals::JSON.from-json: dist;
self.new(:repo(%data<repo>), :repo-name(%data<repo-name>), :dist-id(%data<dist-id>))
}
else {
Nil
}
}
method AT-KEY($key) {
Distribution::Resource.new(:$.repo, :$.repo-name, :$.dist-id, :$key)
}
method Str() {
Rakudo::Internals::JSON.to-json: {:$.repo, :$.repo-name, :$.dist-id}
}
}
# vim: ft=perl6 expandtab sw=4