716 lines
25 KiB
Python
Executable File
716 lines
25 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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import operator
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from collections import Counter
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from pygments import highlight
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from pygments.lexers import guess_lexer, guess_lexer_for_filename
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from pygments.formatters import HtmlFormatter # pylint: disable=no-name-in-module
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from pygments.util import ClassNotFound
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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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from xml.sax.saxutils import escape
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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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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
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font-size: 13px;
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line-height: 1.5;
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margin: 0;
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width: auto;
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}
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h1 {
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margin: 10px;
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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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.footer {
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border-top: thin solid #aaa;
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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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.footer > p {
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margin: 4px;
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}
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.wrapper {
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display: -webkit-box;
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display: -ms-flexbox;
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display: flex;
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-webkit-box-pack: justify;
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-ms-flex-pack: justify;
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justify-content: space-between;
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}
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#menu,
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#menu_index {
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text-align: left;
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width: 350px;
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height: 90vh;
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min-height: 200px;
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overflow: auto;
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position: -webkit-sticky;
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position: sticky;
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top: 0;
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padding: 0 15px 15px 15px;
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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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font-size: 12px;
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z-index: 1;
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}
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#content,
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#content_index {
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background-color: #fff;
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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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padding: 0 15px 15px 15px;
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width: calc(100% - 350px);
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height: 100%;
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overflow-x: auto;
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}
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#filename {
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margin-left: 10px;
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font-size: 12px;
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z-index: 1;
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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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display: inline-block;
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margin-left: 4px;
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}
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.inconclusive {
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background-color: #b6b6b4;
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}
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.inconclusive2 {
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background-color: #b6b6b4;
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display: inline-block;
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margin-left: 4px;
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}
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.verbose {
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display: inline-block;
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vertical-align: top;
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cursor: help;
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}
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.verbose .content {
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display: none;
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position: absolute;
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padding: 10px;
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margin: 4px;
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max-width: 40%;
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white-space: pre-wrap;
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border: 1px solid #000;
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background-color: #ffffcc;
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cursor: auto;
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}
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.highlight .hll {
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padding: 1px;
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}
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.highlighttable {
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background-color: #fff;
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z-index: 10;
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position: relative;
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margin: -10px;
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}
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.linenos {
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border-right: thin solid #aaa;
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color: #d3d3d3;
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padding-right: 6px;
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}
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.d-none {
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display: none;
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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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<script>
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function getStyle(el, styleProp) {
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var y;
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if (el.currentStyle) {
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y = el.currentStyle[styleProp];
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} else if (window.getComputedStyle) {
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y = document.defaultView.getComputedStyle(el, null).getPropertyValue(styleProp);
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}
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return y;
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}
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function toggle() {
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var el = this.expandable_content;
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var mark = this.expandable_marker;
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if (el.style.display === "block") {
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el.style.display = "none";
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mark.textContent = "[+]";
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} else {
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el.style.display = "block";
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mark.textContent = "[-]";
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}
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}
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function initExpandables() {
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var elements = document.querySelectorAll(".expandable");
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for (var i = 0, len = elements.length; i < len; i++) {
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var el = elements[i];
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var clickable = el.querySelector("span");
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var marker = clickable.querySelector(".marker");
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var content = el.querySelector(".content");
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var width = clickable.clientWidth - parseInt(getStyle(content, "padding-left")) - parseInt(getStyle(content, "padding-right"));
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content.style.width = width + "px";
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clickable.expandable_content = content;
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clickable.expandable_marker = marker;
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clickable.addEventListener("click", toggle);
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}
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}
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function toggleDisplay(id) {
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var elements = document.querySelectorAll("." + id);
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for (var i = 0, len = elements.length; i < len; i++) {
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elements[i].classList.toggle("d-none");
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}
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}
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function toggleAll() {
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var elements = document.querySelectorAll("input");
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// starting from 1 since 0 is the "toggle all" input
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for (var i = 1, len = elements.length; i < len; i++) {
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var el = elements[i];
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if (el.checked) {
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el.checked = false;
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} else {
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el.checked = true;
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}
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toggleDisplay(el.id);
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}
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}
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window.addEventListener("load", initExpandables);
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</script>
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</head>
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<body>
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<div id="header" class="header">
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<h1>Cppcheck report - %s: %s</h1>
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</div>
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<div class="wrapper">
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<div id="menu">
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<p id="filename"><a href="index.html">Defects:</a> %s</p>
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"""
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HTML_HEAD_END = """
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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> <!-- /.wrapper -->
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</div>
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<div id="footer" class="footer">
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<p>
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Cppcheck %s - a tool for static C/C++ code analysis<br>
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<br>
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Internet: <a href="http://cppcheck.net">http://cppcheck.net</a><br>
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IRC: <a href="irc://irc.freenode.net/cppcheck">irc://irc.freenode.net/cppcheck</a><br>
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</p>
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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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HTML_INCONCLUSIVE = "<span class=\"inconclusive2\"><--- %s</span>\n"
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HTML_EXPANDABLE_ERROR = "<div class=\"verbose expandable\"><span class=\"error2\"><--- %s <span class=\"marker\">[+]</span></span><div class=\"content\">%s</div></div>\n"""
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HTML_EXPANDABLE_INCONCLUSIVE = "<div class=\"verbose expandable\"><span class=\"inconclusive2\"><--- %s <span class=\"marker\">[+]</span></span><div class=\"content\">%s</div></div>\n"""
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# escape() and unescape() takes care of &, < and >.
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html_escape_table = {
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'"': """,
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"'": "'"
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}
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html_unescape_table = {v: k for k, v in html_escape_table.items()}
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def html_escape(text):
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return escape(text, html_escape_table)
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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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try:
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if error['inconclusive'] == 'true':
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# only print verbose msg if it really differs
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# from actual message
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if error.get('verbose') and (error['verbose'] != error['msg']):
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index = t.rfind('\n')
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t = t[:index] + HTML_EXPANDABLE_INCONCLUSIVE % (error['msg'], html_escape(error['verbose'].replace("\\012", '\n'))) + t[index + 1:]
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else:
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t = t.replace('\n', HTML_INCONCLUSIVE % error['msg'])
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except KeyError:
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if error.get('verbose') and (error['verbose'] != error['msg']):
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index = t.rfind('\n')
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t = t[:index] + HTML_EXPANDABLE_ERROR % (error['msg'], html_escape(error['verbose'].replace("\\012", '\n'))) + t[index + 1:]
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else:
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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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self.versionCppcheck = ''
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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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'locations': [{
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'file': attributes.get('file', ''),
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'line': int(attributes.get('line', 0)),
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}],
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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 == 'cppcheck':
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self.versionCppcheck = attributes['version']
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if name == 'error':
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error = {
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'locations': [],
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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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'verbose': attributes.get('verbose')
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}
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if 'inconclusive' in attributes:
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error['inconclusive'] = attributes['inconclusive']
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if 'cwe' in attributes:
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error['cwe'] = attributes['cwe']
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self.errors.append(error)
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elif name == 'location':
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assert self.errors
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error = self.errors[-1]
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locations = error['locations']
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file = attributes['file']
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line = int(attributes['line'])
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if not locations:
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error['file'] = file
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error['line'] = line
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locations.append({
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'file': file,
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'line': line,
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'info': attributes.get('info')
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})
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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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try:
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sys.argv[1]
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except IndexError: # no arguments give, print --help
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parser.print_help()
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quit()
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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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else:
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parser.error('No cppcheck xml file specified. (--file=)')
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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.makedirs(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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decode_errors = []
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for filename, data in sorted(files.items()):
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htmlfile = data['htmlfile']
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errors = []
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for error in data['errors']:
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for location in error['locations']:
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if filename == location['file']:
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newError = dict(error)
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del newError['locations']
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newError['line'] = location['line']
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if location.get('info'):
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newError['msg'] = location['info']
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newError['severity'] = 'information'
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del newError['verbose']
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errors.append(newError)
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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', encoding=options.source_encoding) as input_file:
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content = input_file.read()
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except IOError:
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if (error['id'] == 'unmatchedSuppression'):
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continue # file not found, bail out
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else:
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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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except UnicodeDecodeError:
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sys.stderr.write("WARNING: Unicode decode error in '%s'.\n" %
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source_filename)
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decode_errors.append(source_filename[2:]) # "[2:]" gets rid of "./" at beginning
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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), 'w', encoding='utf-8') 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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filename,
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filename.split('/')[-1]))
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for error in sorted(errors, key=lambda k: k['line']):
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output_file.write("<a href=\"%s#line-%d\"> %s %s</a>" % (data['htmlfile'], error['line'], error['id'], error['line']))
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output_file.write(HTML_HEAD_END)
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try:
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lexer = guess_lexer_for_filename(source_filename, '', stripnl=False)
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except ClassNotFound:
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try:
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lexer = guess_lexer(content, stripnl=False)
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except ClassNotFound:
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sys.stderr.write("ERROR: Couldn't determine lexer for the file' " + source_filename + " '. Won't be able to syntax highlight this file.")
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output_file.write("\n <tr><td colspan=\"5\"> Could not generate content because pygments failed to determine the code type.</td></tr>")
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output_file.write("\n <tr><td colspan=\"5\"> Sorry about this.</td></tr>")
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continue
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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 % contentHandler.versionCppcheck)
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print(' ' + filename)
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# 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:
|
|
|
|
stats_count = 0
|
|
stats = []
|
|
for filename, data in sorted(files.items()):
|
|
for error in data['errors']:
|
|
stats.append(error['id']) # get the stats
|
|
stats_count += 1
|
|
|
|
counter = Counter(stats)
|
|
|
|
stat_html = []
|
|
# the following lines sort the stat primary by value (occurrences),
|
|
# but if two IDs occur equally often, then we sort them alphabetically by warning ID
|
|
try:
|
|
cnt_max = counter.most_common()[0][1]
|
|
except IndexError:
|
|
cnt_max = 0
|
|
|
|
try:
|
|
cnt_min = counter.most_common()[-1][1]
|
|
except IndexError:
|
|
cnt_min = 0
|
|
|
|
stat_fmt = "\n <tr><td><input type=\"checkbox\" onclick=\"toggleDisplay(this.id)\" id=\"{}\" name=\"{}\" checked></td><td>{}</td><td>{}</td></tr>"
|
|
for occurrences in reversed(range(cnt_min, cnt_max + 1)):
|
|
for _id in [k for k, v in sorted(counter.items()) if v == occurrences]:
|
|
stat_html.append(stat_fmt.format(_id, _id, dict(counter.most_common())[_id], _id))
|
|
|
|
output_file.write(HTML_HEAD.replace('id="menu"', 'id="menu_index"', 1).replace("Defects:", "Defect summary;", 1) % (options.title, '', options.title, '', ''))
|
|
output_file.write('\n <label><input type="checkbox" onclick="toggleAll()" checked> Toggle all</label>')
|
|
output_file.write('\n <table>')
|
|
output_file.write('\n <tr><th>Show</th><th>#</th><th>Defect ID</th></tr>')
|
|
output_file.write(''.join(stat_html))
|
|
output_file.write('\n <tr><td></td><td>' + str(stats_count) + '</td><td>total</td></tr>')
|
|
output_file.write('\n </table>')
|
|
output_file.write('\n <p><a href="stats.html">Statistics</a></p>')
|
|
output_file.write(HTML_HEAD_END.replace("content", "content_index", 1))
|
|
|
|
output_file.write('\n <table>')
|
|
output_file.write('\n <tr><th>Line</th><th>Id</th><th>CWE</th><th>Severity</th><th>Message</th></tr>')
|
|
for filename, data in sorted(files.items()):
|
|
if filename in decode_errors: # don't print a link but a note
|
|
output_file.write("\n <tr><td colspan=\"5\">%s</td></tr>" % (filename))
|
|
output_file.write("\n <tr><td colspan=\"5\"> Could not generated due to UnicodeDecodeError</td></tr>")
|
|
else:
|
|
if filename.endswith('*'): # assume unmatched suppression
|
|
output_file.write(
|
|
"\n <tr><td colspan=\"5\">%s</td></tr>" %
|
|
(filename))
|
|
else:
|
|
output_file.write(
|
|
"\n <tr><td colspan=\"5\"><a href=\"%s\">%s</a></td></tr>" %
|
|
(data['htmlfile'], filename))
|
|
|
|
for error in sorted(data['errors'], key=lambda k: k['line']):
|
|
error_class = ''
|
|
try:
|
|
if error['inconclusive'] == 'true':
|
|
error_class = 'class="inconclusive"'
|
|
error['severity'] += ", inconcl."
|
|
except KeyError:
|
|
pass
|
|
|
|
try:
|
|
if error['cwe']:
|
|
cwe_url = "<a href=\"https://cwe.mitre.org/data/definitions/" + error['cwe'] + ".html\">" + error['cwe'] + "</a>"
|
|
except KeyError:
|
|
cwe_url = ""
|
|
|
|
if error['severity'] == 'error':
|
|
error_class = 'class="error"'
|
|
if error['id'] == 'missingInclude':
|
|
output_file.write(
|
|
'\n <tr class="%s"><td></td><td>%s</td><td></td><td>%s</td><td>%s</td></tr>' %
|
|
(error['id'], error['id'], error['severity'], html_escape(error['msg'])))
|
|
elif (error['id'] == 'unmatchedSuppression') and filename.endswith('*'):
|
|
output_file.write(
|
|
'\n <tr class="%s"><td></td><td>%s</td><td></td><td>%s</td><td %s>%s</td></tr>' %
|
|
(error['id'], error['id'], error['severity'], error_class,
|
|
html_escape(error['msg'])))
|
|
else:
|
|
output_file.write(
|
|
'\n <tr class="%s"><td><a href="%s#line-%d">%d</a></td><td>%s</td><td>%s</td><td>%s</td><td %s>%s</td></tr>' %
|
|
(error['id'], data['htmlfile'], error['line'], error['line'],
|
|
error['id'], cwe_url, error['severity'], error_class,
|
|
html_escape(error['msg'])))
|
|
|
|
output_file.write('\n </table>')
|
|
output_file.write(HTML_FOOTER % contentHandler.versionCppcheck)
|
|
|
|
if (decode_errors):
|
|
sys.stderr.write("\nGenerating html failed for the following files: " + ' '.join(decode_errors))
|
|
sys.stderr.write("\nConsider changing source-encoding (for example: \"htmlreport ... --source-encoding=\"iso8859-1\"\"\n")
|
|
|
|
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)
|
|
|
|
print("Creating stats.html (statistics)\n")
|
|
stats_countlist = {}
|
|
|
|
for filename, data in sorted(files.items()):
|
|
if (filename == ''):
|
|
continue
|
|
stats_tmplist = []
|
|
for error in sorted(data['errors'], key=lambda k: k['line']):
|
|
stats_tmplist.append(error['severity'])
|
|
|
|
stats_countlist[filename] = dict(Counter(stats_tmplist))
|
|
|
|
# get top ten for each severity
|
|
SEVERITIES = "error", "warning", "portability", "performance", "style", "unusedFunction", "information", "missingInclude", "internal"
|
|
|
|
with io.open(os.path.join(options.report_dir, 'stats.html'), 'w') as stats_file:
|
|
|
|
stats_file.write(HTML_HEAD.replace('id="menu"', 'id="menu_index"', 1).replace("Defects:", "Back to summary", 1) % (options.title, '', options.title, 'Statistics', ''))
|
|
stats_file.write(HTML_HEAD_END.replace("content", "content_index", 1))
|
|
|
|
for sev in SEVERITIES:
|
|
_sum = 0
|
|
stats_templist = {}
|
|
|
|
# if the we have an style warning but we are checking for
|
|
# portability, we have to skip it to prevent KeyError
|
|
try:
|
|
for filename in stats_countlist:
|
|
try: # also bail out if we have a file with no sev-results
|
|
_sum += stats_countlist[filename][sev]
|
|
stats_templist[filename] = (int)(stats_countlist[filename][sev]) # file : amount,
|
|
except KeyError:
|
|
continue
|
|
# don't print "0 style" etc, if no style warnings were found
|
|
if (_sum == 0):
|
|
continue
|
|
except KeyError:
|
|
continue
|
|
stats_file.write("<p>Top 10 files for " + sev + " severity, total findings: " + str(_sum) + "<br>\n")
|
|
|
|
# sort, so that the file with the most severities per type is first
|
|
stats_list_sorted = sorted(stats_templist.items(), key=operator.itemgetter(1, 0), reverse=True)
|
|
it = 0
|
|
LENGTH = 0
|
|
|
|
for i in stats_list_sorted: # printing loop
|
|
# for aesthetics: if it's the first iteration of the loop, get
|
|
# the max length of the number string
|
|
if (it == 0):
|
|
LENGTH = len(str(i[1])) # <- length of longest number, now get the difference and try to make other numbers align to it
|
|
|
|
stats_file.write(" " * 3 + str(i[1]) + " " * (1 + LENGTH - len(str(i[1]))) + "<a href=\"" + files[i[0]]['htmlfile'] + "\"> " + i[0] + "</a><br>\n")
|
|
it += 1
|
|
if (it == 10): # print only the top 10
|
|
break
|
|
stats_file.write("</p>\n")
|
|
|
|
stats_file.write(HTML_FOOTER % contentHandler.versionCppcheck)
|
|
|
|
print("\nOpen '" + options.report_dir + "/index.html' to see the results.")
|