#!/usr/bin/env python import sys import optparse import os from pygments import highlight from pygments.lexers import 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: 0; margin: 0; } .error { font-family: Arial; font-size: 13px; background-color: #ffb7b7; padding: 0; margin: 0; } #page-header { clear: both; width: 900px; margin: 20px auto 0 auto; height: 10px; border-bottom: 2px solid #aaa; } #page { width: 860px; margin: auto; border-left: 2px solid #aaa; border-right: 2px solid #aaa; background-color: white; padding: 20px; } #page-footer { width: 900px; height: 10px; clear: both; margin: auto; border-top: 2px solid #aaa; } #header { width: 100%; height: 70px; background: url(logo.png) no-repeat left top; border-bottom: thin solid #aaa; } #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: 0 10px 10px 10px; border-left: thin solid #aaa; } #footer { padding-bottom: 5px; padding-top: 5px; border-top: thin solid #aaa; clear: both; font-size: 10px; } #footer > div { float: left; width: 33%; } """ HTML_HEAD = """ CppCheck - Html report - %s
""" HTML_FOOTER = """
 
""" HTML_ERROR = "<--- %s\n" class AnnotateCodeFormatter(HtmlFormatter): errors = [] def wrap(self, source, outfile): line_no = 1 for i, t in HtmlFormatter.wrap(self, source, outfile): # If this is a source code line we want to add a span tag at the end. if i == 1: for error in self.errors: if error["line"] == line_no: t = t.replace("\n", HTML_ERROR % error["msg"]) line_no = line_no + 1 yield i, t 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 try: file = attributes["file"] line = int(attributes["line"]) except: file = "" line = 0 if attributes["id"] != "missingInclude" and attributes["id"] != "toomanyconfigs": sys.stderr.write("ERROR: cppcheck error reported without a file name.\n") self.errors.append( { "file" : file, "line" : 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("--title", dest="title", help="The title of the project.", default="[project name]") 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.") parser.add_option("--source-encoding", dest="source_encoding", help="Encoding of source code.", default=None) # 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 as 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.items(): try: htmlfile = data["htmlfile"] errors = data["errors"] lines = [] for error in errors: lines.append(error["line"]) if filename == "": continue 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 = open(source_file) content = stream.read() stream.close() htmlFormatter = AnnotateCodeFormatter(linenos=True, style='colorful', hl_lines=lines, lineanchors="line", encoding=options.source_encoding) htmlFormatter.errors = errors stream = open(os.path.join(options.report_dir, htmlfile), "w") stream.write(HTML_HEAD % (options.title, htmlFormatter.get_style_defs(".highlight"), options.title)) lexer = guess_lexer_for_filename(source_file, "") if options.source_encoding: lexer.encoding = options.source_encoding stream.write(highlight(content, lexer, htmlFormatter)) stream.write(HTML_FOOTER) stream.close() print(" " + filename) except Exception as message: print("ERROR: Filename: %s, %s" % (filename, message)) # Generate a master index.html file that will contain a list of # all the errors created. print("Creating index.html") stream = open(os.path.join(options.report_dir, "index.html"), "w") stream.write(HTML_HEAD % (options.title, "", options.title)) stream.write("") stream.write("") for filename, data in files.items(): stream.write("" % (data["htmlfile"], filename)) for error in data["errors"]: if error['severity'] == 'error': error_class = 'class="error"' else: error_class = '' if error["id"] == "missingInclude": stream.write("" % (error["id"], error["severity"], error["msg"])) else: stream.write("" % (data["htmlfile"], error["line"], error["line"], error["id"], error["severity"], error_class, error["msg"])) stream.write("
LineIdSeverityMessage
%s
%s%s%s
%d%s%s%s
") stream.write(HTML_FOOTER) stream.close() print("Creating style.css file") stream = open(os.path.join(options.report_dir, "style.css"), "w") stream.write(STYLE_FILE) stream.close()