#!/usr/bin/python
import sys
import optparse
import os
import os.path
from pygments import highlight
from pygments.lexers import CppLexer
from pygments.lexers import guess_lexer, guess_lexer_for_filename
from pygments.formatters import HtmlFormatter
from xml.sax import parse as xml_parse
from xml.sax import SAXParseException as XmlParseException
from xml.sax.handler import ContentHandler as XmlContentHandler
"""
Turns a cppcheck xml file into a browsable html report along
with syntax highlighted source code.
"""
STYLE_FILE = """
body.body {
font-family: Arial;
font-size: 13px;
background-color: black;
padding: 0px;
margin: 0px;
}
#page-header {
clear: both;
width: 900px;
margin: 20px auto 0px auto;
height: 10px;
border-bottom-width: 2px;
border-bottom-style: solid;
border-bottom-color: #aaaaaa;
}
#page {
width: 860px;
margin: auto;
border-left-width: 2px;
border-left-style: solid;
border-left-color: #aaaaaa;
border-right-width: 2px;
border-right-style: solid;
border-right-color: #aaaaaa;
background-color: White;
padding: 20px;
}
#page-footer {
clear: both;
width: 900px;
margin: auto;
height: 10px;
border-top-width: 2px;
border-top-style: solid;
border-top-color: #aaaaaa;
}
#header {
width: 100%;
height: 70px;
background-image: url(logo.png);
background-repeat: no-repeat;
background-position: left top;
border-bottom-style: solid;
border-bottom-width: thin;
border-bottom-color: #aaaaaa;
}
#menu {
margin-top: 5px;
text-align: left;
float: left;
width: 100px;
height: 300px;
}
#menu > a {
margin-left: 10px;
display: block;
}
#content {
float: left;
width: 720px;
margin: 5px;
padding: 0px 10px 10px 10px;
border-left-style: solid;
border-left-width: thin;
border-left-color: #aaaaaa;
}
#footer {
padding-bottom: 5px;
padding-top: 5px;
border-top-style: solid;
border-top-width: thin;
border-top-color: #aaaaaa;
clear: both;
font-size: 10px;
}
#footer > div {
float: left;
width: 33%;
}
"""
HTML_HEAD = """
<html>
<head>
<title>CppCheck - Html report</title>
<link href="style.css" rel="stylesheet" />
</head>
<body class="body">
<div id="page-header">
</div>
<div id="page">
<div id="header">
<h1>CppCheck report</h1>
</div>
<div id="menu">
<a href="index.html">Defect list</a>
</div>
<div id="content">
"""
HTML_FOOTER = """
</div>
<div id="footer">
<div>
CppCheck - a tool for static C/C++ code analysis
</div>
<div>
Internet: <a href="http://cppcheck.sourceforge.net">http://cppcheck.sourceforge.net</a><br/>
Forum: <a href="http://apps.sourceforge.net/phpbb/cppcheck/">http://apps.sourceforge.net/phpbb/cppcheck/</a><br/>
IRC: #cppcheck at irc.freenode.net
</div>
</div>
</div>
<div id="page-footer">
</div>
</body>
</html>
"""
class CppCheckHandler(XmlContentHandler):
"""Parses the cppcheck xml file and produces a list of all its errors."""
errors = []
def startElement(self, name, attributes):
if name != "error":
return
if attributes["file"] == "":
sys.stderr.write("ERROR: cppcheck error reported without a file name.\n")
self.errors.append(
{
"file" : attributes["file"],
"line" : int(attributes["line"]),
"id" : attributes["id"],
"severity" : attributes["severity"],
"msg" : attributes["msg"]
})
if __name__ == '__main__':
# Configure all the options this little utility is using.
parser = optparse.OptionParser()
parser.add_option("--file", dest="file", help="The cppcheck xml output file to read defects from. Default is reading from stdin.")
parser.add_option("--report-dir", dest="report_dir", help="The directory where the html report content is written.")
parser.add_option("--source-dir", dest="source_dir", help="Base directory where source code files can be found.")
# Parse options and make sure that we have an output directory set.
options, args = parser.parse_args()
if not options.report_dir:
parser.error("No report directory set.")
# Get the directory where source code files are located.
source_dir = os.getcwd()
if options.source_dir:
source_dir = options.source_dir
# Get the stream that we read cppcheck errors from.
stream = sys.stdin
if options.file:
if os.path.exists(options.file) == False:
parser.error("cppcheck xml file: %s not found." % options.file)
stream = open(options.file, "r")
# Parse the xml file and produce a simple list of errors.
print("Parsing xml report.")
try:
contentHandler = CppCheckHandler()
xml_parse(stream, contentHandler)
except XmlParseException, msg:
print("Failed to parse cppcheck xml file: %s" % msg)
sys.exit(1)
# We have a list of errors. But now we want to group them on
# each source code file. Lets create a files dictionary that
# will contain a list of all the errors in that file. For each
# file we will also generate a html filename to use.
files = {}
file_no = 0
for error in contentHandler.errors:
filename = error["file"]
if filename not in files.keys():
files[filename] = { "errors" : [], "htmlfile" : str(file_no) + ".html" }
file_no = file_no + 1
files[filename]["errors"].append(error)
# Make sure that the report directory is created if it doesn't exist.
print("Creating %s directory" % options.report_dir)
if not os.path.exists(options.report_dir):
os.mkdir(options.report_dir)
# Generate a html file with syntax highlighted source code for each
# file that contains one or more errors.
print("Processing errors")
for filename, data in files.iteritems():
htmlfile = data["htmlfile"]
errors = data["errors"]
lines = []
for error in errors:
lines.append(error["line"])
source_file = os.path.join(source_dir, filename)
if not os.path.isfile(source_file):
sys.stderr.write("ERROR: Source file '%s' not found.\n" % source_file)
continue
stream = file(source_file)
content = stream.read()
stream.close()
htmlFormatter = HtmlFormatter(linenos=True, style='colorful', full=True, hl_lines=lines, lineanchors="line")
stream = file(os.path.join(options.report_dir, htmlfile), "w")
stream.write(HTML_HEAD)
stream.write(highlight(content, guess_lexer_for_filename(source_file, ""), htmlFormatter))
stream.write(HTML_FOOTER)
stream.close()
print(" " + filename)
# Generate a master index.html file that will contain a list of
# all the errors created.
print("Creating index.html")
stream = file(os.path.join(options.report_dir, "index.html"), "w")
stream.write(HTML_HEAD)
stream.write("<table>")
stream.write("<tr><th>Line</th><th>Id</th><th>Severity</th><th>Message</th></tr>")
for filename, data in files.iteritems():
stream.write("<tr><td colspan='4'><a href=\"%s\">%s</a></td></tr>" % (data["htmlfile"], filename))
for error in data["errors"]:
stream.write("<tr><td><a href='%s#line-%d'>%d</a></td><td>%s</td><td>%s</td><td>%s</td></tr>" %
(data["htmlfile"], error["line"], error["line"], error["id"],
error["severity"], error["msg"]))
stream.write("</table>")
stream.write(HTML_FOOTER)
stream.close()
print("Creating style.css file")
stream = file(os.path.join(options.report_dir, "style.css"), "w")
stream.write(STYLE_FILE)
stream.close()