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1 | # coding=utf-8 |
2 | # | |
3 | # Copyright © 2016 Intel Corporation | |
4 | # | |
5 | # Permission is hereby granted, free of charge, to any person obtaining a | |
6 | # copy of this software and associated documentation files (the "Software"), | |
7 | # to deal in the Software without restriction, including without limitation | |
8 | # the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | # and/or sell copies of the Software, and to permit persons to whom the | |
10 | # Software is furnished to do so, subject to the following conditions: | |
11 | # | |
12 | # The above copyright notice and this permission notice (including the next | |
13 | # paragraph) shall be included in all copies or substantial portions of the | |
14 | # Software. | |
15 | # | |
16 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
21 | # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS | |
22 | # IN THE SOFTWARE. | |
23 | # | |
24 | # Authors: | |
25 | # Jani Nikula <jani.nikula@intel.com> | |
ba350185 JN |
26 | # |
27 | # Please make sure this works on both python2 and python3. | |
28 | # | |
c56de1db JN |
29 | |
30 | import os | |
31 | import subprocess | |
32 | import sys | |
d90368f2 | 33 | import re |
c56de1db JN |
34 | |
35 | from docutils import nodes, statemachine | |
16e161c8 | 36 | from docutils.statemachine import ViewList |
c56de1db JN |
37 | from docutils.parsers.rst import directives |
38 | from sphinx.util.compat import Directive | |
39 | ||
40 | class KernelDocDirective(Directive): | |
41 | """Extract kernel-doc comments from the specified file""" | |
42 | required_argument = 1 | |
43 | optional_arguments = 4 | |
44 | option_spec = { | |
45 | 'doc': directives.unchanged_required, | |
46 | 'functions': directives.unchanged_required, | |
47 | 'export': directives.flag, | |
48 | 'internal': directives.flag, | |
49 | } | |
50 | has_content = False | |
51 | ||
52 | def run(self): | |
53 | env = self.state.document.settings.env | |
d90368f2 | 54 | cmd = [env.config.kerneldoc_bin, '-rst', '-enable-lineno'] |
c56de1db JN |
55 | |
56 | filename = env.config.kerneldoc_srctree + '/' + self.arguments[0] | |
57 | ||
58 | # Tell sphinx of the dependency | |
59 | env.note_dependency(os.path.abspath(filename)) | |
60 | ||
61 | tab_width = self.options.get('tab-width', self.state.document.settings.tab_width) | |
c56de1db JN |
62 | |
63 | # FIXME: make this nicer and more robust against errors | |
64 | if 'export' in self.options: | |
65 | cmd += ['-export'] | |
66 | elif 'internal' in self.options: | |
67 | cmd += ['-internal'] | |
68 | elif 'doc' in self.options: | |
69 | cmd += ['-function', str(self.options.get('doc'))] | |
70 | elif 'functions' in self.options: | |
71 | for f in str(self.options.get('functions')).split(' '): | |
72 | cmd += ['-function', f] | |
73 | ||
74 | cmd += [filename] | |
75 | ||
76 | try: | |
77 | env.app.verbose('calling kernel-doc \'%s\'' % (" ".join(cmd))) | |
78 | ||
79 | p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) | |
80 | out, err = p.communicate() | |
81 | ||
ba350185 JN |
82 | # python2 needs conversion to unicode. |
83 | # python3 with universal_newlines=True returns strings. | |
84 | if sys.version_info.major < 3: | |
85 | out, err = unicode(out, 'utf-8'), unicode(err, 'utf-8') | |
c56de1db JN |
86 | |
87 | if p.returncode != 0: | |
88 | sys.stderr.write(err) | |
89 | ||
90 | env.app.warn('kernel-doc \'%s\' failed with return code %d' % (" ".join(cmd), p.returncode)) | |
91 | return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))] | |
92 | elif env.config.kerneldoc_verbosity > 0: | |
93 | sys.stderr.write(err) | |
94 | ||
95 | lines = statemachine.string2lines(out, tab_width, convert_whitespace=True) | |
d90368f2 DV |
96 | result = ViewList() |
97 | ||
98 | lineoffset = 0; | |
99 | line_regex = re.compile("^#define LINENO ([0-9]+)$") | |
100 | for line in lines: | |
101 | match = line_regex.search(line) | |
102 | if match: | |
103 | # sphinx counts lines from 0 | |
104 | lineoffset = int(match.group(1)) - 1 | |
105 | # we must eat our comments since the upset the markup | |
106 | else: | |
06173fe3 | 107 | result.append(line, filename, lineoffset) |
d90368f2 | 108 | lineoffset += 1 |
16e161c8 DV |
109 | |
110 | node = nodes.section() | |
111 | node.document = self.state.document | |
112 | self.state.nested_parse(result, self.content_offset, node) | |
113 | ||
114 | return node.children | |
115 | ||
c56de1db JN |
116 | except Exception as e: |
117 | env.app.warn('kernel-doc \'%s\' processing failed with: %s' % | |
118 | (" ".join(cmd), str(e))) | |
119 | return [nodes.error(None, nodes.paragraph(text = "kernel-doc missing"))] | |
120 | ||
121 | def setup(app): | |
122 | app.add_config_value('kerneldoc_bin', None, 'env') | |
123 | app.add_config_value('kerneldoc_srctree', None, 'env') | |
124 | app.add_config_value('kerneldoc_verbosity', 1, 'env') | |
125 | ||
126 | app.add_directive('kernel-doc', KernelDocDirective) |