Added check-templated-code-snippets.py and

check-templated-code-snippets.sh.

doc.zih.tu-dresden.de/util/check-templated-code-snippets.py

+#!/usr/bin/env python
+#-*- coding: utf-8 -*-
+import re
+import sys
+
+def escapeSomeSigns(someString):
+    return someString.replace("$", "\\$").replace("(", "\\(").replace(")", "\\)").replace("*", "\\*")
+
+fileName = sys.argv[1]
+print("FILE: " + fileName)
+lines = []
+NORMAL_MODE = 0
+CODE_MODE = 1
+readMode = NORMAL_MODE
+pattern = re.compile("<[^<>']*>")
+with open(fileName) as f:
+    lineNumber = 1
+    for line in f:
+        if "```" in line:
+            # toggle read mode if we find a line with ```, so that we know that we are in a code block or not
+            readMode = CODE_MODE if readMode == NORMAL_MODE else NORMAL_MODE
+        strippedLine = line.strip()
+        # We want tuples with lineNumber, the line itself, whether it is a code line, whether it contains a template (e. g. <FILENAME>) and the line again with all templats replaced by '\\S'
+        lines.append((lineNumber, strippedLine, readMode, pattern.search(strippedLine) != None, pattern.sub("\\S*", escapeSomeSigns(strippedLine))))
+        lineNumber += 1
+# those tuples with the CODE_MODE as field 2 represent code lines
+codeLines = list(filter(lambda line: line[2] == CODE_MODE, lines))
+# we take line number, the line and a regular expression from the those code lines which contain a template, call them templatedLines
+templatedLines = list(map(lambda line: (line[0], line[1], re.compile(line[4])), filter(lambda line: line[3], codeLines)))
+allPatternsFound = True
+for templateLine in templatedLines:
+    # find code lines which have a higher line number than the templateLine, contain no template themselves and match the pattern of the templateLine
+    matchingCodeLines = list(filter(lambda line: (line[0] > templateLine[0]) and (not line[3]) and (templateLine[2].match(line[1]) != None), codeLines))
+    if len(matchingCodeLines) == 0:
+        allPatternsFound = False
+        print("  Example for \"" + templateLine[1] + "\" (Line " + str(templateLine[0]) + ") missing")
+
+if not allPatternsFound:
+    sys.exit(1)

doc.zih.tu-dresden.de/util/check-templated-code-snippets.sh

+#!/bin/bash
+
+set -eo pipefail
+
+scriptpath=${BASH_SOURCE[0]}
+basedir=`dirname "$scriptpath"`
+pythonscript="$basedir/check-templated-code-snippets.py"
+basedir=`dirname "$basedir"`
+
+function usage() {
+  cat <<-EOF
+usage: $0 [file | -a]
+Search for code snippets that use templates but do not give examples.
+If file is given, outputs all lines where no example could be found.
+If parameter -a (or --all) is given instead of the file, checks all markdown files.
+Otherwise, checks whether any changed file contains code snippets with templates without examples.
+EOF
+}
+
+branch="origin/${CI_MERGE_REQUEST_TARGET_BRANCH_NAME:-preview}"
+
+# Options
+if [ $# -eq 1 ]; then
+  case $1 in
+  help | -help | --help)
+    usage
+    exit
+  ;;
+  -a | --all)
+    echo "Search in all markdown files."
+    files=$(git ls-tree --full-tree -r --name-only HEAD $basedir/ | grep .md)
+  ;;
+  *)
+    files="$1"
+  ;;
+  esac
+elif [ $# -eq 0 ]; then
+  echo "Search in git-changed files."
+  files=`git diff --name-only "$(git merge-base HEAD "$branch")" | grep .md`
+else
+  usage
+fi
+
+all_ok=''
+for f in $files; do
+if ! $pythonscript $f; then
+all_ok='no'
+fi
+done
+
+if [ -z "$all_ok" ]; then
+echo "Success!"
+else
+echo "Fail!"
+exit 1
+fi