/
render.rs
1408 lines (1297 loc) · 48.8 KB
/
render.rs
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
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::cell::Cell;
use std::comm::{SharedPort, SharedChan};
use std::comm;
use std::fmt;
use std::hashmap::{HashMap, HashSet};
use std::local_data;
use std::rt::io::buffered::BufferedWriter;
use std::rt::io::file::{FileInfo, DirectoryInfo};
use std::rt::io::file;
use std::rt::io;
use std::rt::io::Reader;
use std::str;
use std::task;
use std::unstable::finally::Finally;
use std::util;
use std::vec;
use extra::arc::RWArc;
use extra::json::ToJson;
use extra::sort;
use extra::time;
use syntax::ast;
use syntax::ast_util::is_local;
use syntax::attr;
use clean;
use doctree;
use fold::DocFolder;
use html::escape::Escape;
use html::format::{VisSpace, Method, PuritySpace};
use html::layout;
use html::markdown::Markdown;
#[deriving(Clone)]
pub struct Context {
current: ~[~str],
root_path: ~str,
dst: Path,
layout: layout::Layout,
sidebar: HashMap<~str, ~[~str]>,
include_sources: bool,
}
enum Implementor {
PathType(clean::Type),
OtherType(clean::Generics, /* trait */ clean::Type, /* for */ clean::Type),
}
struct Cache {
// typaram id => name of that typaram
typarams: HashMap<ast::NodeId, ~str>,
// type id => all implementations for that type
impls: HashMap<ast::NodeId, ~[(clean::Impl, Option<~str>)]>,
// path id => (full qualified path, shortty) -- used to generate urls
paths: HashMap<ast::NodeId, (~[~str], &'static str)>,
// trait id => method name => dox
traits: HashMap<ast::NodeId, HashMap<~str, ~str>>,
// trait id => implementors of the trait
implementors: HashMap<ast::NodeId, ~[Implementor]>,
priv stack: ~[~str],
priv parent_stack: ~[ast::NodeId],
priv search_index: ~[IndexItem],
}
struct SourceCollector<'self> {
seen: HashSet<~str>,
dst: Path,
cx: &'self mut Context,
}
struct Item<'self> { cx: &'self Context, item: &'self clean::Item, }
struct Sidebar<'self> { cx: &'self Context, item: &'self clean::Item, }
struct IndexItem {
ty: &'static str,
name: ~str,
path: ~str,
desc: ~str,
parent: Option<ast::NodeId>,
}
struct Source<'self>(&'self str);
local_data_key!(pub cache_key: RWArc<Cache>)
local_data_key!(pub current_location_key: ~[~str])
/// Generates the documentation for `crate` into the directory `dst`
pub fn run(mut crate: clean::Crate, dst: Path) {
let mut cx = Context {
dst: dst,
current: ~[],
root_path: ~"",
sidebar: HashMap::new(),
layout: layout::Layout {
logo: ~"",
favicon: ~"",
crate: crate.name.clone(),
},
include_sources: true,
};
mkdir(&cx.dst);
match crate.module.get_ref().doc_list() {
Some(attrs) => {
for attr in attrs.iter() {
match *attr {
clean::NameValue(~"html_favicon_url", ref s) => {
cx.layout.favicon = s.to_owned();
}
clean::NameValue(~"html_logo_url", ref s) => {
cx.layout.logo = s.to_owned();
}
clean::Word(~"html_no_source") => {
cx.include_sources = false;
}
_ => {}
}
}
}
None => {}
}
// Crawl the crate to build various caches used for the output
let mut cache = Cache {
impls: HashMap::new(),
typarams: HashMap::new(),
paths: HashMap::new(),
traits: HashMap::new(),
implementors: HashMap::new(),
stack: ~[],
parent_stack: ~[],
search_index: ~[],
};
cache.stack.push(crate.name.clone());
crate = cache.fold_crate(crate);
// Add all the static files
let dst = cx.dst.push(crate.name);
mkdir(&dst);
write(dst.push("jquery.js"), include_str!("static/jquery-2.0.3.min.js"));
write(dst.push("main.js"), include_str!("static/main.js"));
write(dst.push("main.css"), include_str!("static/main.css"));
write(dst.push("normalize.css"), include_str!("static/normalize.css"));
{
let dst = dst.push("search-index.js");
let mut w = BufferedWriter::new(dst.open_writer(io::CreateOrTruncate));
let w = &mut w as &mut io::Writer;
write!(w, "var searchIndex = [");
for (i, item) in cache.search_index.iter().enumerate() {
if i > 0 { write!(w, ","); }
write!(w, "\\{ty:\"{}\",name:\"{}\",path:\"{}\",desc:{}",
item.ty, item.name, item.path,
item.desc.to_json().to_str())
match item.parent {
Some(id) => { write!(w, ",parent:'{}'", id); }
None => {}
}
write!(w, "\\}");
}
write!(w, "];");
write!(w, "var allPaths = \\{");
for (i, (&id, &(ref fqp, short))) in cache.paths.iter().enumerate() {
if i > 0 { write!(w, ","); }
write!(w, "'{}':\\{type:'{}',name:'{}'\\}", id, short, *fqp.last());
}
write!(w, "\\};");
w.flush();
}
info2!("emitting source files");
let started = time::precise_time_ns();
{
let dst = cx.dst.push("src");
mkdir(&dst);
let dst = dst.push(crate.name);
mkdir(&dst);
let mut folder = SourceCollector {
dst: dst,
seen: HashSet::new(),
cx: &mut cx,
};
crate = folder.fold_crate(crate);
}
let ended = time::precise_time_ns();
info2!("Took {:.03f}s", (ended as f64 - started as f64) / 1e9f64);
info2!("rendering the whole crate");
let started = time::precise_time_ns();
cx.crate(crate, cache);
let ended = time::precise_time_ns();
info2!("Took {:.03f}s", (ended as f64 - started as f64) / 1e9f64);
}
fn write(dst: Path, contents: &str) {
let mut w = dst.open_writer(io::CreateOrTruncate);
w.write(contents.as_bytes());
}
fn mkdir(path: &Path) {
do io::io_error::cond.trap(|err| {
error2!("Couldn't create directory `{}`: {}",
path.to_str(), err.desc);
fail2!()
}).inside {
if !path.is_dir() {
file::mkdir(path);
}
}
}
fn clean_srcpath(src: &str, f: &fn(&str)) {
let p = Path(src);
for c in p.components.iter() {
if "." == *c {
continue
}
if ".." == *c {
f("up");
} else {
f(c.as_slice())
}
}
}
impl<'self> DocFolder for SourceCollector<'self> {
fn fold_item(&mut self, item: clean::Item) -> Option<clean::Item> {
if self.cx.include_sources && !self.seen.contains(&item.source.filename) {
// If it turns out that we couldn't read this file, then we probably
// can't read any of the files (generating html output from json or
// something like that), so just don't include sources for the
// entire crate. The other option is maintaining this mapping on a
// per-file basis, but that's probably not worth it...
self.cx.include_sources = self.emit_source(item.source.filename);
self.seen.insert(item.source.filename.clone());
if !self.cx.include_sources {
println!("warning: source code was requested to be rendered, \
but `{}` is a missing source file.",
item.source.filename);
println!(" skipping rendering of source code");
}
}
self.fold_item_recur(item)
}
}
impl<'self> SourceCollector<'self> {
fn emit_source(&mut self, filename: &str) -> bool {
let p = Path(filename);
// Read the contents of the file
let mut contents = ~[];
{
let mut buf = [0, ..1024];
let r = do io::io_error::cond.trap(|_| {}).inside {
p.open_reader(io::Open)
};
// If we couldn't open this file, then just returns because it
// probably means that it's some standard library macro thing and we
// can't have the source to it anyway.
let mut r = match r {
Some(r) => r,
// eew macro hacks
None => return filename == "<std-macros>"
};
// read everything
loop {
match r.read(buf) {
Some(n) => contents.push_all(buf.slice_to(n)),
None => break
}
}
}
let contents = str::from_utf8_owned(contents);
// Create the intermediate directories
let mut cur = self.dst.clone();
let mut root_path = ~"../../";
do clean_srcpath(p.pop().to_str()) |component| {
cur = cur.push(component);
mkdir(&cur);
root_path.push_str("../");
}
let dst = cur.push(*p.components.last() + ".html");
let w = dst.open_writer(io::CreateOrTruncate);
let mut w = BufferedWriter::new(w);
let title = format!("{} -- source", *dst.components.last());
let page = layout::Page {
title: title,
ty: "source",
root_path: root_path,
};
layout::render(&mut w as &mut io::Writer, &self.cx.layout,
&page, &(""), &Source(contents.as_slice()));
w.flush();
return true;
}
}
impl DocFolder for Cache {
fn fold_item(&mut self, item: clean::Item) -> Option<clean::Item> {
// Register any generics to their corresponding string. This is used
// when pretty-printing types
match item.inner {
clean::StructItem(ref s) => self.generics(&s.generics),
clean::EnumItem(ref e) => self.generics(&e.generics),
clean::FunctionItem(ref f) => self.generics(&f.generics),
clean::TypedefItem(ref t) => self.generics(&t.generics),
clean::TraitItem(ref t) => self.generics(&t.generics),
clean::ImplItem(ref i) => self.generics(&i.generics),
clean::TyMethodItem(ref i) => self.generics(&i.generics),
clean::MethodItem(ref i) => self.generics(&i.generics),
_ => {}
}
// Propagate a trait methods' documentation to all implementors of the
// trait
match item.inner {
clean::TraitItem(ref t) => {
let mut dox = HashMap::new();
for meth in t.methods.iter() {
let it = meth.item();
match it.doc_value() {
None => {}
Some(s) => {
dox.insert(it.name.get_ref().to_owned(),
s.to_owned());
}
}
}
self.traits.insert(item.id, dox);
}
_ => {}
}
// Collect all the implementors of traits.
match item.inner {
clean::ImplItem(ref i) => {
match i.trait_ {
Some(clean::ResolvedPath{ did, _ }) if is_local(did) => {
let id = did.node;
let v = do self.implementors.find_or_insert_with(id) |_|{
~[]
};
match i.for_ {
clean::ResolvedPath{_} => {
v.unshift(PathType(i.for_.clone()));
}
_ => {
v.push(OtherType(i.generics.clone(),
i.trait_.get_ref().clone(),
i.for_.clone()));
}
}
}
Some(*) | None => {}
}
}
_ => {}
}
// Index this method for searching later on
match item.name {
Some(ref s) => {
let parent = match item.inner {
clean::TyMethodItem(*) |
clean::StructFieldItem(*) |
clean::VariantItem(*) => {
Some((Some(*self.parent_stack.last()),
self.stack.slice_to(self.stack.len() - 1)))
}
clean::MethodItem(*) => {
if self.parent_stack.len() == 0 {
None
} else {
let last = self.parent_stack.last();
let amt = match self.paths.find(last) {
Some(&(_, "trait")) => self.stack.len() - 1,
Some(*) | None => self.stack.len(),
};
Some((Some(*last), self.stack.slice_to(amt)))
}
}
_ => Some((None, self.stack.as_slice()))
};
match parent {
Some((parent, path)) => {
self.search_index.push(IndexItem {
ty: shortty(&item),
name: s.to_owned(),
path: path.connect("::"),
desc: shorter(item.doc_value()).to_owned(),
parent: parent,
});
}
None => {}
}
}
None => {}
}
// Keep track of the fully qualified path for this item.
let pushed = if item.name.is_some() {
let n = item.name.get_ref();
if n.len() > 0 {
self.stack.push(n.to_owned());
true
} else { false }
} else { false };
match item.inner {
clean::StructItem(*) | clean::EnumItem(*) |
clean::TypedefItem(*) | clean::TraitItem(*) |
clean::FunctionItem(*) | clean::ModuleItem(*) |
clean::VariantItem(*) => {
self.paths.insert(item.id, (self.stack.clone(), shortty(&item)));
}
_ => {}
}
// Maintain the parent stack
let parent_pushed = match item.inner {
clean::TraitItem(*) | clean::EnumItem(*) | clean::StructItem(*) => {
self.parent_stack.push(item.id); true
}
clean::ImplItem(ref i) => {
match i.for_ {
clean::ResolvedPath{ did, _ } if is_local(did) => {
self.parent_stack.push(did.node); true
}
_ => false
}
}
_ => false
};
// Once we've recursively found all the generics, then hoard off all the
// implementations elsewhere
let ret = match self.fold_item_recur(item) {
Some(item) => {
match item {
clean::Item{ attrs, inner: clean::ImplItem(i), _ } => {
match i.for_ {
clean::ResolvedPath { did, _ } if is_local(did) => {
let id = did.node;
let v = do self.impls.find_or_insert_with(id) |_| {
~[]
};
// extract relevant documentation for this impl
match attrs.move_iter().find(|a| {
match *a {
clean::NameValue(~"doc", _) => true,
_ => false
}
}) {
Some(clean::NameValue(_, dox)) => {
v.push((i, Some(dox)));
}
Some(*) | None => {
v.push((i, None));
}
}
}
_ => {}
}
None
}
i => Some(i),
}
}
i => i,
};
if pushed { self.stack.pop(); }
if parent_pushed { self.parent_stack.pop(); }
return ret;
}
}
impl<'self> Cache {
fn generics(&mut self, generics: &clean::Generics) {
for typ in generics.type_params.iter() {
self.typarams.insert(typ.id, typ.name.clone());
}
}
}
impl Context {
fn recurse<T>(&mut self, s: ~str, f: &fn(&mut Context) -> T) -> T {
// Recurse in the directory structure and change the "root path" to make
// sure it always points to the top (relatively)
if s.len() == 0 {
fail2!("what {:?}", self);
}
let next = self.dst.push(s);
let prev = util::replace(&mut self.dst, next);
self.root_path.push_str("../");
self.current.push(s);
mkdir(&self.dst);
let ret = f(self);
// Go back to where we were at
self.dst = prev;
let len = self.root_path.len();
self.root_path.truncate(len - 3);
self.current.pop();
return ret;
}
fn crate(self, mut crate: clean::Crate, cache: Cache) {
enum Work {
Die,
Process(Context, clean::Item),
}
enum Progress { JobNew, JobDone }
static WORKERS: int = 10;
let mut item = match crate.module.take() {
Some(i) => i,
None => return
};
item.name = Some(crate.name);
let (port, chan) = comm::stream::<Work>();
let port = SharedPort::new(port);
let chan = SharedChan::new(chan);
let (prog_port, prog_chan) = comm::stream();
let prog_chan = SharedChan::new(prog_chan);
let cache = RWArc::new(cache);
for i in range(0, WORKERS) {
let port = port.clone();
let chan = chan.clone();
let prog_chan = prog_chan.clone();
let mut task = task::task();
task.unlinked(); // we kill things manually
task.name(format!("worker{}", i));
task.spawn_with(cache.clone(),
|cache| worker(cache, &port, &chan, &prog_chan));
fn worker(cache: RWArc<Cache>,
port: &SharedPort<Work>,
chan: &SharedChan<Work>,
prog_chan: &SharedChan<Progress>) {
#[fixed_stack_segment]; // we hit markdown FFI *a lot*
local_data::set(cache_key, cache);
loop {
match port.recv() {
Process(cx, item) => {
let mut cx = cx;
let item = Cell::new(item);
do (|| {
do cx.item(item.take()) |cx, item| {
prog_chan.send(JobNew);
chan.send(Process(cx.clone(), item));
}
}).finally {
// If we fail, everything else should still get
// completed
prog_chan.send(JobDone);
}
}
Die => break,
}
}
}
}
chan.send(Process(self, item));
let mut jobs = 1;
loop {
match prog_port.recv() {
JobNew => jobs += 1,
JobDone => jobs -= 1,
}
if jobs == 0 { break }
}
for _ in range(0, WORKERS) {
chan.send(Die);
}
}
fn item(&mut self, item: clean::Item, f: &fn(&mut Context, clean::Item)) {
fn render(w: io::file::FileWriter, cx: &mut Context, it: &clean::Item,
pushname: bool) {
// A little unfortunate that this is done like this, but it sure
// does make formatting *a lot* nicer.
local_data::set(current_location_key, cx.current.clone());
let mut title = cx.current.connect("::");
if pushname {
if title.len() > 0 { title.push_str("::"); }
title.push_str(*it.name.get_ref());
}
title.push_str(" - Rust");
let page = layout::Page {
ty: shortty(it),
root_path: cx.root_path,
title: title,
};
// We have a huge number of calls to write, so try to alleviate some
// of the pain by using a buffered writer instead of invoking the
// write sycall all the time.
let mut writer = BufferedWriter::new(w);
layout::render(&mut writer as &mut io::Writer, &cx.layout, &page,
&Sidebar{ cx: cx, item: it },
&Item{ cx: cx, item: it });
writer.flush();
}
match item.inner {
// modules are special because they add a namespace. We also need to
// recurse into the items of the module as well.
clean::ModuleItem(*) => {
let name = item.name.get_ref().to_owned();
let item = Cell::new(item);
do self.recurse(name) |this| {
let item = item.take();
let dst = this.dst.push("index.html");
let writer = dst.open_writer(io::CreateOrTruncate);
render(writer.unwrap(), this, &item, false);
let m = match item.inner {
clean::ModuleItem(m) => m,
_ => unreachable!()
};
this.sidebar = build_sidebar(&m);
for item in m.items.move_iter() {
f(this, item);
}
}
}
// Things which don't have names (like impls) don't get special
// pages dedicated to them.
_ if item.name.is_some() => {
let dst = self.dst.push(item_path(&item));
let writer = dst.open_writer(io::CreateOrTruncate);
render(writer.unwrap(), self, &item, true);
}
_ => {}
}
}
}
fn shortty(item: &clean::Item) -> &'static str {
match item.inner {
clean::ModuleItem(*) => "mod",
clean::StructItem(*) => "struct",
clean::EnumItem(*) => "enum",
clean::FunctionItem(*) => "fn",
clean::TypedefItem(*) => "typedef",
clean::StaticItem(*) => "static",
clean::TraitItem(*) => "trait",
clean::ImplItem(*) => "impl",
clean::ViewItemItem(*) => "viewitem",
clean::TyMethodItem(*) => "tymethod",
clean::MethodItem(*) => "method",
clean::StructFieldItem(*) => "structfield",
clean::VariantItem(*) => "variant",
clean::ForeignFunctionItem(*) => "ffi",
clean::ForeignStaticItem(*) => "ffs",
}
}
impl<'self> Item<'self> {
fn ismodule(&self) -> bool {
match self.item.inner {
clean::ModuleItem(*) => true, _ => false
}
}
}
impl<'self> fmt::Default for Item<'self> {
fn fmt(it: &Item<'self>, fmt: &mut fmt::Formatter) {
match attr::find_stability(it.item.attrs.iter()) {
Some(stability) => {
write!(fmt.buf,
"<a class='stability {lvl}' title='{reason}'>{lvl}</a>",
lvl = stability.level.to_str(),
reason = match stability.text {
Some(s) => s, None => @"",
});
}
None => {}
}
if it.cx.include_sources {
let mut path = ~[];
do clean_srcpath(it.item.source.filename) |component| {
path.push(component.to_owned());
}
let href = if it.item.source.loline == it.item.source.hiline {
format!("{}", it.item.source.loline)
} else {
format!("{}-{}", it.item.source.loline, it.item.source.hiline)
};
write!(fmt.buf,
"<a class='source'
href='{root}src/{crate}/{path}.html\\#{href}'>[src]</a>",
root = it.cx.root_path,
crate = it.cx.layout.crate,
path = path.connect("/"),
href = href);
}
// Write the breadcrumb trail header for the top
write!(fmt.buf, "<h1 class='fqn'>");
match it.item.inner {
clean::ModuleItem(*) => write!(fmt.buf, "Module "),
clean::FunctionItem(*) => write!(fmt.buf, "Function "),
clean::TraitItem(*) => write!(fmt.buf, "Trait "),
clean::StructItem(*) => write!(fmt.buf, "Struct "),
clean::EnumItem(*) => write!(fmt.buf, "Enum "),
_ => {}
}
let cur = it.cx.current.as_slice();
let amt = if it.ismodule() { cur.len() - 1 } else { cur.len() };
for (i, component) in cur.iter().enumerate().take(amt) {
let mut trail = ~"";
for _ in range(0, cur.len() - i - 1) {
trail.push_str("../");
}
write!(fmt.buf, "<a href='{}index.html'>{}</a>::",
trail, component.as_slice());
}
write!(fmt.buf, "<a class='{}' href=''>{}</a></h1>",
shortty(it.item), it.item.name.get_ref().as_slice());
match it.item.inner {
clean::ModuleItem(ref m) => item_module(fmt.buf, it.cx,
it.item, m.items),
clean::FunctionItem(ref f) | clean::ForeignFunctionItem(ref f) =>
item_function(fmt.buf, it.item, f),
clean::TraitItem(ref t) => item_trait(fmt.buf, it.item, t),
clean::StructItem(ref s) => item_struct(fmt.buf, it.item, s),
clean::EnumItem(ref e) => item_enum(fmt.buf, it.item, e),
clean::TypedefItem(ref t) => item_typedef(fmt.buf, it.item, t),
_ => {}
}
}
}
fn item_path(item: &clean::Item) -> ~str {
match item.inner {
clean::ModuleItem(*) => *item.name.get_ref() + "/index.html",
_ => shortty(item) + "." + *item.name.get_ref() + ".html"
}
}
fn full_path(cx: &Context, item: &clean::Item) -> ~str {
let mut s = cx.current.connect("::");
s.push_str("::");
s.push_str(item.name.get_ref().as_slice());
return s;
}
fn blank<'a>(s: Option<&'a str>) -> &'a str {
match s {
Some(s) => s,
None => ""
}
}
fn shorter<'a>(s: Option<&'a str>) -> &'a str {
match s {
Some(s) => match s.find_str("\n\n") {
Some(pos) => s.slice_to(pos),
None => s,
},
None => ""
}
}
fn document(w: &mut io::Writer, item: &clean::Item) {
match item.doc_value() {
Some(s) => {
write!(w, "<div class='docblock'>{}</div>", Markdown(s));
}
None => {}
}
}
fn item_module(w: &mut io::Writer, cx: &Context,
item: &clean::Item, items: &[clean::Item]) {
document(w, item);
debug2!("{:?}", items);
let mut indices = vec::from_fn(items.len(), |i| i);
fn lt(i1: &clean::Item, i2: &clean::Item, idx1: uint, idx2: uint) -> bool {
if shortty(i1) == shortty(i2) {
return i1.name < i2.name;
}
match (&i1.inner, &i2.inner) {
(&clean::ViewItemItem(ref a), &clean::ViewItemItem(ref b)) => {
match (&a.inner, &b.inner) {
(&clean::ExternMod(*), _) => true,
(_, &clean::ExternMod(*)) => false,
_ => idx1 < idx2,
}
}
(&clean::ViewItemItem(*), _) => true,
(_, &clean::ViewItemItem(*)) => false,
(&clean::ModuleItem(*), _) => true,
(_, &clean::ModuleItem(*)) => false,
(&clean::StructItem(*), _) => true,
(_, &clean::StructItem(*)) => false,
(&clean::EnumItem(*), _) => true,
(_, &clean::EnumItem(*)) => false,
(&clean::StaticItem(*), _) => true,
(_, &clean::StaticItem(*)) => false,
(&clean::ForeignFunctionItem(*), _) => true,
(_, &clean::ForeignFunctionItem(*)) => false,
(&clean::ForeignStaticItem(*), _) => true,
(_, &clean::ForeignStaticItem(*)) => false,
(&clean::TraitItem(*), _) => true,
(_, &clean::TraitItem(*)) => false,
(&clean::FunctionItem(*), _) => true,
(_, &clean::FunctionItem(*)) => false,
(&clean::TypedefItem(*), _) => true,
(_, &clean::TypedefItem(*)) => false,
_ => idx1 < idx2,
}
}
debug2!("{:?}", indices);
do sort::quick_sort(indices) |&i1, &i2| {
lt(&items[i1], &items[i2], i1, i2)
}
debug2!("{:?}", indices);
let mut curty = "";
for &idx in indices.iter() {
let myitem = &items[idx];
let myty = shortty(myitem);
if myty != curty {
if curty != "" {
write!(w, "</table>");
}
curty = myty;
write!(w, "<h2>{}</h2>\n<table>", match myitem.inner {
clean::ModuleItem(*) => "Modules",
clean::StructItem(*) => "Structs",
clean::EnumItem(*) => "Enums",
clean::FunctionItem(*) => "Functions",
clean::TypedefItem(*) => "Type Definitions",
clean::StaticItem(*) => "Statics",
clean::TraitItem(*) => "Traits",
clean::ImplItem(*) => "Implementations",
clean::ViewItemItem(*) => "Reexports",
clean::TyMethodItem(*) => "Type Methods",
clean::MethodItem(*) => "Methods",
clean::StructFieldItem(*) => "Struct Fields",
clean::VariantItem(*) => "Variants",
clean::ForeignFunctionItem(*) => "Foreign Functions",
clean::ForeignStaticItem(*) => "Foreign Statics",
});
}
match myitem.inner {
clean::StaticItem(ref s) | clean::ForeignStaticItem(ref s) => {
struct Initializer<'self>(&'self str);
impl<'self> fmt::Default for Initializer<'self> {
fn fmt(s: &Initializer<'self>, f: &mut fmt::Formatter) {
if s.len() == 0 { return; }
write!(f.buf, "<code> = </code>");
let tag = if s.contains("\n") { "pre" } else { "code" };
write!(f.buf, "<{tag}>{}</{tag}>",
s.as_slice(), tag=tag);
}
}
write!(w, "
<tr>
<td><code>{}static {}: {}</code>{}</td>
<td class='docblock'>{} </td>
</tr>
",
VisSpace(myitem.visibility),
*myitem.name.get_ref(),
s.type_,
Initializer(s.expr),
Markdown(blank(myitem.doc_value())));
}
clean::ViewItemItem(ref item) => {
match item.inner {
clean::ExternMod(ref name, ref src, _, _) => {
write!(w, "<tr><td><code>extern mod {}",
name.as_slice());
match *src {
Some(ref src) => write!(w, " = \"{}\"",
src.as_slice()),
None => {}
}
write!(w, ";</code></td></tr>");
}
clean::Import(ref imports) => {
for import in imports.iter() {
write!(w, "<tr><td><code>{}{}</code></td></tr>",
VisSpace(myitem.visibility),
*import);
}
}
}
}
_ => {
if myitem.name.is_none() { continue }
write!(w, "
<tr>
<td><a class='{class}' href='{href}'
title='{title}'>{}</a></td>
<td class='docblock short'>{}</td>
</tr>
",
*myitem.name.get_ref(),
Markdown(shorter(myitem.doc_value())),
class = shortty(myitem),
href = item_path(myitem),
title = full_path(cx, myitem));
}
}
}
write!(w, "</table>");
}
fn item_function(w: &mut io::Writer, it: &clean::Item, f: &clean::Function) {
write!(w, "<pre class='fn'>{vis}{purity}fn {name}{generics}{decl}</pre>",
vis = VisSpace(it.visibility),
purity = PuritySpace(f.purity),
name = it.name.get_ref().as_slice(),
generics = f.generics,
decl = f.decl);
document(w, it);
}
fn item_trait(w: &mut io::Writer, it: &clean::Item, t: &clean::Trait) {
let mut parents = ~"";
if t.parents.len() > 0 {
parents.push_str(": ");
for (i, p) in t.parents.iter().enumerate() {
if i > 0 { parents.push_str(" + "); }
parents.push_str(format!("{}", *p));
}
}
// Output the trait definition
write!(w, "<pre class='trait'>{}trait {}{}{} ",
VisSpace(it.visibility),
it.name.get_ref().as_slice(),
t.generics,
parents);
let required = t.methods.iter().filter(|m| m.is_req()).to_owned_vec();
let provided = t.methods.iter().filter(|m| !m.is_req()).to_owned_vec();
if t.methods.len() == 0 {
write!(w, "\\{ \\}");
} else {
write!(w, "\\{\n");
for m in required.iter() {
write!(w, " ");
render_method(w, m.item(), true);
write!(w, ";\n");
}
if required.len() > 0 && provided.len() > 0 {
w.write("\n".as_bytes());
}
for m in provided.iter() {
write!(w, " ");
render_method(w, m.item(), true);
write!(w, " \\{ ... \\}\n");
}