mirror of
https://github.com/klzgrad/naiveproxy.git
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106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
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#!/usr/bin/env python
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# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Runs 'gn help' and various subhelps, and spits out html.
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# TODO:
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# - Handle numbered and dashed lists -> <ol> <ul>. (See "os" and "toolchain").
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# - Handle "Arguments:" blocks a bit better (the argument names could be
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# distinguished).
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# - Convert "|blahblah|" to <code>.
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# - Spit out other similar formats like wiki, markdown, whatever.
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import cgi
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import subprocess
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import sys
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def GetOutput(*args):
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try:
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return subprocess.check_output([sys.argv[1]] + list(args))
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except subprocess.CalledProcessError:
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return ''
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def ParseTopLevel(out):
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commands = []
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output = []
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for line in out.splitlines():
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if line.startswith(' '):
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command, sep, rest = line.partition(':')
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command = command.strip()
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is_option = command.startswith('-')
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output_line = ['<li>']
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if not is_option:
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commands.append(command)
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output_line.append('<a href="#' + cgi.escape(command) + '">')
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output_line.append(cgi.escape(command))
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if not is_option:
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output_line.append('</a>')
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output_line.extend([sep + cgi.escape(rest) + '</li>'])
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output.append(''.join(output_line))
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else:
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output.append('<h2>' + cgi.escape(line) + '</h2>')
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return commands, output
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def ParseCommand(command, out):
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first_line = True
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got_example = False
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output = []
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for line in out.splitlines():
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if first_line:
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name, sep, rest = line.partition(':')
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name = name.strip()
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output.append('<h3><a name="' + cgi.escape(command) + '">' +
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cgi.escape(name + sep + rest) + '</a></h3>')
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first_line = False
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else:
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if line.startswith('Example'):
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# Special subsection that's pre-formatted.
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if got_example:
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output.append('</pre>')
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got_example = True
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output.append('<h4>Example</h4>')
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output.append('<pre>')
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elif not line.strip():
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output.append('<p>')
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elif not line.startswith(' ') and line.endswith(':'):
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# Subsection.
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output.append('<h4>' + cgi.escape(line[:-1]) + '</h4>')
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else:
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output.append(cgi.escape(line))
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if got_example:
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output.append('</pre>')
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return output
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def main():
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if len(sys.argv) < 2:
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print 'usage: help_as_html.py <gn_binary>'
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return 1
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header = '''<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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body { font-family: Arial, sans-serif; font-size: small; }
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pre { font-family: Consolas, monospace; font-size: small; }
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#container { margin: 0 auto; max-width: 48rem; width: 90%; }
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</style>
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</head>
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<body>
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<div id="container"><h1>GN</h1>
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'''
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footer = '</div></body></html>'
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commands, output = ParseTopLevel(GetOutput('help'))
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for command in commands:
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output += ParseCommand(command, GetOutput('help', command))
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print header + '\n'.join(output) + footer
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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