#!/usr/bin/env python from __future__ import unicode_literals import io 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 { background-color: black; font: 13px Arial, Verdana, Sans-Serif; margin: 0; padding: 0; } .error { background-color: #ffb7b7; } .error2 { background-color: #faa; border: 1px dotted black; display: inline-block; margin-left: 4px; } .highlight .hll { padding: 1px; } #page { background-color: white; border: 2px solid #aaa; -webkit-box-sizing: content-box; -moz-box-sizing: content-box; box-sizing: content-box; margin: 30px; overflow: auto; padding: 5px 20px; width: auto; } #header { border-bottom: thin solid #aaa; } #menu { float: left; margin-top: 5px; text-align: left; width: 100px; height: auto; } #menu > a { display: block; margin-left: 10px; } #content { -webkit-box-sizing: content-box; -moz-box-sizing: content-box; box-sizing: content-box; border-left: thin solid #aaa; float: left; margin: 5px; padding: 0 10px 10px 10px; width: 80%; } .linenos { border-right: thin solid #aaa; color: lightgray; padding-right: 6px; } #footer { border-top: thin solid #aaa; clear: both; font-size: 90%; margin-top: 5px; } #footer ul { list-style-type: none; padding-left: 0; } """ 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.""" def __init__(self): XmlContentHandler.__init__(self) self.errors = [] self.version = '1' self.versionCppcheck = ''; def startElement(self, name, attributes): if name == 'results': self.version = attributes.get('version', self.version) if self.version == '1': self.handleVersion1(name, attributes) else: self.handleVersion2(name, attributes) def handleVersion1(self, name, attributes): if name != 'error': return self.errors.append({ 'file': attributes.get('file', ''), 'line': int(attributes.get('line', 0)), 'id': attributes['id'], 'severity': attributes['severity'], 'msg': attributes['msg'] }) def handleVersion2(self, name, attributes): if name == 'cppcheck': self.versionCppcheck = attributes['version'] if name == 'error': self.errors.append({ 'file': '', 'line': 0, 'id': attributes['id'], 'severity': attributes['severity'], 'msg': attributes['msg'] }) elif name == 'location': assert self.errors self.errors[-1]['file'] = attributes['file'] self.errors[-1]['line'] = int(attributes['line']) 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='utf-8') # 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. input_file = sys.stdin if options.file: if not os.path.exists(options.file): parser.error('cppcheck xml file: %s not found.' % options.file) input_file = io.open(options.file, 'r') # Parse the xml file and produce a simple list of errors. print('Parsing xml report.') try: contentHandler = CppCheckHandler() xml_parse(input_file, 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 sorted(files.items()): htmlfile = data['htmlfile'] errors = data['errors'] lines = [] for error in errors: lines.append(error['line']) if filename == '': continue source_filename = os.path.join(source_dir, filename) try: with io.open(source_filename, 'r') as input_file: content = input_file.read() except IOError: sys.stderr.write("ERROR: Source file '%s' not found.\n" % source_filename) continue htmlFormatter = AnnotateCodeFormatter(linenos=True, style='colorful', hl_lines=lines, lineanchors='line', encoding=options.source_encoding) htmlFormatter.errors = errors with io.open(os.path.join(options.report_dir, htmlfile), 'w') as output_file: output_file.write(HTML_HEAD % (options.title, htmlFormatter.get_style_defs('.highlight'), options.title)) lexer = guess_lexer_for_filename(source_filename, '') if options.source_encoding: lexer.encoding = options.source_encoding output_file.write( highlight(content, lexer, htmlFormatter).decode( options.source_encoding)) output_file.write(HTML_FOOTER) print(' ' + filename) # Generate a master index.html file that will contain a list of # all the errors created. print('Creating index.html') with io.open(os.path.join(options.report_dir, 'index.html'), 'w') as output_file: output_file.write(HTML_HEAD % (options.title, '', options.title)) output_file.write('') output_file.write( '') for filename, data in sorted(files.items()): output_file.write( "" % (data['htmlfile'], filename)) for error in data['errors']: if error['severity'] == 'error': error_class = 'class="error"' else: error_class = '' if error['id'] == 'missingInclude': output_file.write( '' % (error['id'], error['severity'], error['msg'])) else: output_file.write( "" % (data['htmlfile'], error['line'], error['line'], error['id'], error['severity'], error_class, error['msg'])) output_file.write('
LineIdSeverityMessage
%s
%s%s%s
%d%s%s%s
') output_file.write(HTML_FOOTER % contentHandler.versionCppcheck) print('Creating style.css file') with io.open(os.path.join(options.report_dir, 'style.css'), 'w') as css_file: css_file.write(STYLE_FILE)