a6deae5f94
For whatever reason, pygments removes leading empty lines by default. This results in the error messages being in the wrong line, shifted by how many empty lines were removed. Adding the option "stripnl=False" as an option to the lexer constructor avoids this issue.
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)
|
|
|
|
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:
|
|
|
|
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.")
|