027fb83585
1. Use context managers rather than explicit "close()".
2. Use quotes consistently.
3. Clean up some pep8 complaints.
4. Avoid colliding names ("stream").
354 lines
11 KiB
Python
Executable File
354 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import unicode_literals
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import io
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import sys
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import optparse
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import os
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from pygments import highlight
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from pygments.lexers import guess_lexer_for_filename
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from pygments.formatters import HtmlFormatter
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from xml.sax import parse as xml_parse
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from xml.sax import SAXParseException as XmlParseException
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from xml.sax.handler import ContentHandler as XmlContentHandler
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"""
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Turns a cppcheck xml file into a browsable html report along
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with syntax highlighted source code.
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"""
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STYLE_FILE = """
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body {
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background-color: black;
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font: 13px Arial, Verdana, Sans-Serif;
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margin: 0;
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padding: 0;
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}
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.error {
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background-color: #ffb7b7;
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}
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.error2 {
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background-color: #faa;
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border: 1px dotted black;
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display: inline-block;
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margin-left: 4px;
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}
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.highlight .hll {
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padding: 1px;
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}
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#page {
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background-color: white;
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border: 2px solid #aaa;
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-webkit-box-sizing: content-box;
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-moz-box-sizing: content-box;
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box-sizing: content-box;
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margin: 30px;
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overflow: auto;
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padding: 5px 20px;
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width: auto;
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}
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#header {
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border-bottom: thin solid #aaa;
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}
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#menu {
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float: left;
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margin-top: 5px;
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text-align: left;
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width: 100px;
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height: auto;
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}
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#menu > a {
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display: block;
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margin-left: 10px;
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}
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#content {
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-webkit-box-sizing: content-box;
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-moz-box-sizing: content-box;
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box-sizing: content-box;
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border-left: thin solid #aaa;
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float: left;
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margin: 5px;
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padding: 0 10px 10px 10px;
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width: 80%;
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}
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.linenos {
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border-right: thin solid #aaa;
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color: lightgray;
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padding-right: 6px;
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}
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#footer {
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border-top: thin solid #aaa;
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clear: both;
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font-size: 90%;
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margin-top: 5px;
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}
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#footer ul {
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list-style-type: none;
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padding-left: 0;
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}
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"""
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HTML_HEAD = """
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>Cppcheck - HTML report - %s</title>
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<link rel="stylesheet" href="style.css">
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<style>
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%s
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</style>
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</head>
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<body>
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<div id="page">
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<div id="header">
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<h1>Cppcheck report - %s</h1>
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</div>
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<div id="menu">
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<a href="index.html">Defect list</a>
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</div>
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<div id="content">
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"""
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HTML_FOOTER = """
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</div>
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<div id="footer">
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<p>
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Cppcheck - a tool for static C/C++ code analysis
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</p>
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<ul>
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<li>Internet: <a href="http://cppcheck.sourceforge.net">http://cppcheck.sourceforge.net</a></li>
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<li>Forum: <a href="http://apps.sourceforge.net/phpbb/cppcheck/">http://apps.sourceforge.net/phpbb/cppcheck/</a></li>
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<li>IRC: #cppcheck at irc.freenode.net</li>
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</ul>
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</div>
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</div>
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</body>
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</html>
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"""
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HTML_ERROR = "<span class='error2'><--- %s</span>\n"
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class AnnotateCodeFormatter(HtmlFormatter):
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errors = []
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def wrap(self, source, outfile):
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line_no = 1
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for i, t in HtmlFormatter.wrap(self, source, outfile):
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# If this is a source code line we want to add a span tag at the
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# end.
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if i == 1:
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for error in self.errors:
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if error['line'] == line_no:
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t = t.replace('\n', HTML_ERROR % error['msg'])
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line_no = line_no + 1
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yield i, t
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class CppCheckHandler(XmlContentHandler):
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"""Parses the cppcheck xml file and produces a list of all its errors."""
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def __init__(self):
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XmlContentHandler.__init__(self)
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self.errors = []
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self.version = '1'
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def startElement(self, name, attributes):
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if name == 'results':
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self.version = attributes.get('version', self.version)
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if self.version == '1':
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self.handleVersion1(name, attributes)
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else:
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self.handleVersion2(name, attributes)
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def handleVersion1(self, name, attributes):
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if name != 'error':
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return
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self.errors.append({
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'file': attributes.get('file', ''),
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'line': int(attributes.get('line', 0)),
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'id': attributes['id'],
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'severity': attributes['severity'],
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'msg': attributes['msg']
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})
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def handleVersion2(self, name, attributes):
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if name == 'error':
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self.errors.append({
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'file': '',
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'line': 0,
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'id': attributes['id'],
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'severity': attributes['severity'],
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'msg': attributes['msg']
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})
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elif name == 'location':
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assert self.errors
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self.errors[-1]['file'] = attributes['file']
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self.errors[-1]['line'] = int(attributes['line'])
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if __name__ == '__main__':
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# Configure all the options this little utility is using.
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parser = optparse.OptionParser()
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parser.add_option('--title', dest='title',
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help='The title of the project.',
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default='[project name]')
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parser.add_option('--file', dest='file',
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help='The cppcheck xml output file to read defects '
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'from. Default is reading from stdin.')
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parser.add_option('--report-dir', dest='report_dir',
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help='The directory where the HTML report content is '
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'written.')
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parser.add_option('--source-dir', dest='source_dir',
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help='Base directory where source code files can be '
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'found.')
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parser.add_option('--source-encoding', dest='source_encoding',
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help='Encoding of source code.', default='utf-8')
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# Parse options and make sure that we have an output directory set.
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options, args = parser.parse_args()
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if not options.report_dir:
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parser.error('No report directory set.')
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# Get the directory where source code files are located.
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source_dir = os.getcwd()
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if options.source_dir:
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source_dir = options.source_dir
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# Get the stream that we read cppcheck errors from.
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input_file = sys.stdin
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if options.file:
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if not os.path.exists(options.file):
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parser.error('cppcheck xml file: %s not found.' % options.file)
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input_file = io.open(options.file, 'r')
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# Parse the xml file and produce a simple list of errors.
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print('Parsing xml report.')
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try:
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contentHandler = CppCheckHandler()
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xml_parse(input_file, contentHandler)
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except XmlParseException as msg:
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print('Failed to parse cppcheck xml file: %s' % msg)
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sys.exit(1)
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# We have a list of errors. But now we want to group them on
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# each source code file. Lets create a files dictionary that
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# will contain a list of all the errors in that file. For each
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# file we will also generate a HTML filename to use.
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files = {}
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file_no = 0
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for error in contentHandler.errors:
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filename = error['file']
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if filename not in files.keys():
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files[filename] = {
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'errors': [], 'htmlfile': str(file_no) + '.html'}
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file_no = file_no + 1
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files[filename]['errors'].append(error)
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# Make sure that the report directory is created if it doesn't exist.
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print('Creating %s directory' % options.report_dir)
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if not os.path.exists(options.report_dir):
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os.mkdir(options.report_dir)
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# Generate a HTML file with syntax highlighted source code for each
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# file that contains one or more errors.
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print('Processing errors')
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for filename, data in files.items():
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htmlfile = data['htmlfile']
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errors = data['errors']
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lines = []
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for error in errors:
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lines.append(error['line'])
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if filename == '':
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continue
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source_filename = os.path.join(source_dir, filename)
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try:
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with io.open(source_filename, 'r') as input_file:
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content = input_file.read()
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except IOError:
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sys.stderr.write("ERROR: Source file '%s' not found.\n" %
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source_filename)
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continue
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htmlFormatter = AnnotateCodeFormatter(linenos=True,
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style='colorful',
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hl_lines=lines,
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lineanchors='line',
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encoding=options.source_encoding)
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htmlFormatter.errors = errors
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with io.open(os.path.join(options.report_dir, htmlfile),
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'w') as output_file:
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output_file.write(HTML_HEAD %
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(options.title,
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htmlFormatter.get_style_defs('.highlight'),
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options.title))
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lexer = guess_lexer_for_filename(source_filename, '')
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if options.source_encoding:
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lexer.encoding = options.source_encoding
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output_file.write(
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highlight(content, lexer, htmlFormatter).decode(
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options.source_encoding))
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output_file.write(HTML_FOOTER)
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print(' ' + filename)
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# Generate a master index.html file that will contain a list of
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# all the errors created.
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print('Creating index.html')
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with io.open(os.path.join(options.report_dir, 'index.html'),
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'w') as output_file:
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output_file.write(HTML_HEAD % (options.title, '', options.title))
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output_file.write('<table>')
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output_file.write(
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'<tr><th>Line</th><th>Id</th><th>Severity</th><th>Message</th></tr>')
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for filename, data in files.items():
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output_file.write(
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"<tr><td colspan='4'><a href='%s'>%s</a></td></tr>" %
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(data['htmlfile'], filename))
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for error in data['errors']:
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if error['severity'] == 'error':
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error_class = 'class="error"'
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else:
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error_class = ''
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if error['id'] == 'missingInclude':
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output_file.write(
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'<tr><td></td><td>%s</td><td>%s</td><td>%s</td></tr>' %
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(error['id'], error['severity'], error['msg']))
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else:
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output_file.write(
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"<tr><td><a href='%s#line-%d'>%d</a></td><td>%s</td><td>%s</td><td %s>%s</td></tr>" %
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(data['htmlfile'], error['line'], error['line'],
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error['id'], error['severity'], error_class,
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error['msg']))
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output_file.write('</table>')
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output_file.write(HTML_FOOTER)
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print('Creating style.css file')
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with io.open(os.path.join(options.report_dir, 'style.css'),
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'w') as css_file:
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css_file.write(STYLE_FILE)
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