* Add multi file/directory support

* Refined some rules to not include the new-line
* Added 'windows line ending' rule
* Enhanced the html output, not an expert there though



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33889 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tools/checkstyle/checkstyle.py

@@ -2,7 +2,7 @@
 # Copyright 2009, Alexandre Deckner, alex@zappotek.com
 # Distributed under the terms of the MIT License.
 #
-import re, sys
+import re, sys, os
 from utils import *
 
 
@@ -12,44 +12,73 @@ def processMatches(matches, name, text, highlights):
         highlights.append((match.start(), match.end(), name))
 
 
-def run(sourceFile, rules):
-    file = open(sourceFile, 'r')
-    text = file.read()
+def run(fileSet, rules, outputFileName):
+    openHtml(fileSet, outputFileName)
 
-    highlights = []
+    for fileName in fileSet:
+        print "\nChecking " + fileName + ":"
+        file = open(fileName, 'r')
+        text = file.read()
 
-    for name, regexp in rules.items():
-        processMatches(regexp.finditer(text), name, text, highlights)
+        highlights = []
 
-    highlights.sort()
-    highlights = checkHighlights(highlights)
+        for name, regexp in rules.items():
+            processMatches(regexp.finditer(text), name, text, highlights)
 
-    file.close()
-    renderHtml(text, highlights, sourceFile, "styleviolations.html")
+        highlights.sort()
+        highlights = checkHighlights(highlights)
+
+        file.close()
+
+        renderHtml(text, highlights, fileName, outputFileName)
+
+    closeHtml(outputFileName)
+
+
+# make a flat list of files recursively from the arg list
+def makeFileSet(args):
+    files = []
+    extensions = [".cpp", ".h"]
+    for arg in args:
+        if os.path.isfile(arg) and os.path.splitext(arg)[1] in extensions:
+            files.append(arg)
+        elif os.path.isdir(arg):
+            for content in os.listdir(arg):
+                path = os.path.join(arg, content)
+                if os.path.isfile(path) \
+                    and os.path.splitext(path)[1] in extensions:
+                    files.append(path)
+                elif os.path.isdir(path) and os.path.basename(path) != ".svn":
+                    files.extend(makeFileSet([path]))
+    return files
 
 
 cppRules = {}
 cppRules["Line over 80 char"] = re.compile('[^\n]{81,}')
 cppRules["Spaces instead of tabs"] = re.compile('   ')
-cppRules["Missing space after for/if/select/while"] = re.compile('(for|if|select|while)\(')
+cppRules["Missing space after for/if/select/while"] \
+    = re.compile('(for|if|select|while)\(')
 cppRules["Missing space at comment start"] = re.compile('//[a-zA-Z0-9]')
 cppRules["Missing space after operator"] \
     = re.compile('[a-zA-Z0-9](==|[,=>/+\-*;\|])[a-zA-Z0-9]')
-cppRules["Operator at line end"] = re.compile('([*=/+\-\|\&\?]|\&&|\|\|)\n')
+cppRules["Operator at line end"] = re.compile('([*=/+\-\|\&\?]|\&&|\|\|)(?=\n)')
 cppRules["Missing space"] = re.compile('\){')
 cppRules["Mixed tabs/spaces"] = re.compile('( \t]|\t )+')
 cppRules["Malformed else"] = re.compile('}[ \t]*\n[ \t]*else')
-cppRules["Lines between functions > 2"] = re.compile('\n}([ \t]*\n){4,}')
-cppRules["Lines between functions < 2"] = re.compile('\n}([ \t]*\n){0,2}.')
+cppRules["Lines between functions > 2"] \
+    = re.compile('(?<=\n})([ \t]*\n){3,}(?=\n)')
+cppRules["Lines between functions < 2"] \
+    = re.compile('(?<=\n})([ \t]*\n){0,2}(?=.)')
+cppRules["Windows Line Ending"] = re.compile('\r')
 
 # TODO: ignore some rules in comments
 #cppRules["-Comment 1"] = re.compile('[^/]/\*(.|[\r\n])*?\*/')
 #cppRules["-Comment 2"] = re.compile('(//)[^\n]*')
 
 
-if len(sys.argv) == 2 and sys.argv[1] != "--help":
-    run(sys.argv[1], cppRules)
+if len(sys.argv) >= 2 and sys.argv[1] != "--help":
+    run(makeFileSet(sys.argv[1:]), cppRules, "styleviolations.html")
 else:
-	print "Usage: python checkstyle.py file.cpp\n"
-	print "Checks a c++ source file against the Haiku Coding Guidelines."
-	print "Outputs an highlighted html report in the styleviolations.html file.\n"
+    print "Usage: python checkstyle.py file.cpp [file2.cpp] [directory]\n"
+    print "Checks c++ source files against the Haiku Coding Guidelines."
+    print "Outputs an html report in the styleviolations.html file.\n"

src/tools/checkstyle/utils.py

@@ -15,29 +15,43 @@ def printMatch(name, match, source):
         + "): '" + match.group().replace('\n','\\n') + "'"
 
 
-# render in html, the file style.css is embedded
-def renderHtml(text, highlights, sourceFileName, outputFileName):
-    splittedText = highlightSplit(text, highlights)
-
-    #styleFile = open("style.css")
-    #style = styleFile.read()
-    #styleFile.close()
-
+def openHtml(fileList, outputFileName):
     file = open(outputFileName, 'w')
     file.write("""
     <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
     <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
     <head>
-        <title>Style violations in """ + sourceFileName.split('/')[-1] \
-         + """</title>
+        <title>Style violations</title>
         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
         <style type="text/css">""" + cssStyle() + """</style>
     </head>
     <body>
-        <p>""" + sourceFileName + """</p>
-        <pre class="code">""")
+        <p><b>File list:</b><br>""")
+    for fileName in fileList:
+        file.write(fileName + "<br>")
+    file.write("</p>")
+    file.close()
 
+
+def closeHtml(outputFileName):
+    file = open(outputFileName, 'a')
+    file.write("""
+        </pre>
+    </body>
+    </html>""")
+
+    file.close()
+
+
+# render in html
+def renderHtml(text, highlights, sourceFileName, outputFileName):
+    splittedText = highlightSplit(text, highlights)
+
+    file = open(outputFileName, 'a')
+    file.write("<hr/><p><b>" + sourceFileName + "</b></p>")
+
+    # insert highlight tags in a temp buffer
     temp = ""
     count = 0
     for slice in splittedText:
@@ -50,15 +64,19 @@ def renderHtml(text, highlights, sourceFileName, outputFileName):
 
     temp += "</span>" # close the superfluous last highlight
 
+    file.write('<table><tr><td><pre class="code"><span class="linenumber">')
     count = 1
     for line in temp.split('\n'):
-        file.write(str(count).rjust(4) + ' |' + line + '<br>')
+        file.write(str(count).rjust(4)+"<br>")
         count += 1
 
-    file.write("""
-        </pre>
-    </body>
-    </html>""")
+    file.write('</span></pre></td><td><pre class="code">')
+
+    for line in temp.split('\n'):
+        file.write('<span class="linehead"> </span>' + line.replace('\r', ' ') \
+             + '<br>')
+
+    file.write("</pre></td></tr></table>")
 
     file.close()
 
@@ -130,12 +148,36 @@ def checkHighlights(highlights):
 
 
 def cssStyle():
-	return """
+    return """
     .highlight {
         background: #ffff00;
         color: #000000;
     }
 
+    .linehead {
+        background: #ddd;
+        font-size: 1px;
+    }
+
+    .highlight .linehead {
+        background: #ffff00;;
+        color: #999;
+        text-align: right;
+        font-size: 8px;
+    }
+
+    .linenumber {
+        background: #eee;
+        color: #999;
+        text-align: right;
+    }
+
+    td {
+        border-spacing: 0px;
+        border-width: 0px;
+        padding: 0px
+    }
+
     div.code pre {
         font-family: monospace;
     }