json-writer: replace replace \u0009 by \t in the output

... to make it parseable by older versions of Boost libraries

Author: kdudka

json-writer.cc

@@ -109,6 +109,11 @@ void JsonWriter::flush() {
     boost::iostreams::basic_regex_filter<char> reFilterSlash(reSlash, "\\1\\2");
     str.push(reFilterSlash);
 
+    // create a regex-based filter to replace \u0009 by \t
+    const boost::regex reTab("\\\\u0009");
+    boost::iostreams::basic_regex_filter<char> reFilterTab(reTab, "\\\\t");
+    str.push(reFilterTab);
+
     str.push(d->str);
 
     // encode scan properties if we have some

tests/CMakeLists.txt

@@ -142,6 +142,8 @@ test_csgrep(csgrep      "32-shellcheck-raw"           )
 test_csgrep(csgrep      "33-cov-format-errors"        )
 test_csgrep(csgrep      "34-csgrep-color"             )
 test_csgrep(csgrep      "35-cov-format-errors"        )
+test_csgrep(csgrep      "36-csgrep-json"              )
+test_csgrep(csgrep      "37-csgrep-json"              )
 test_csparser(csparser-5.8                          00)
 test_csparser(csparser-5.8                          01)
 test_csparser(csparser-5.8                          02)

tests/csgrep/36-csgrep-json-args.txt

@@ -0,0 +1 @@
+--mode=json

tests/csgrep/36-csgrep-json-stdin.txt

@@ -0,0 +1,7 @@
+Error: SHELLCHECK_WARNING:
+/etc/rc.d/rc.sysinit:492:13: warning: Quote this to prevent word splitting. [SC2046]
+#  490|   if [ -n "$SELINUX_STATE" -a "$READONLY" != "yes" ]; then
+#  491|       if [ -f /.autorelabel ] || strstr "$cmdline" autorelabel ; then
+#  492|-> 	restorecon $(awk '!/^#/ && $4 !~ /noauto/ && $2 ~ /^\// { print $2 }' /etc/fstab) >/dev/null 2>&1
+#  493|       fi
+#  494|   fi

tests/csgrep/36-csgrep-json-stdout.txt

@@ -0,0 +1,53 @@
+{
+    "defects": [
+        {
+            "checker": "SHELLCHECK_WARNING",
+            "key_event_idx": 0,
+            "events": [
+                {
+                    "file_name": "/etc/rc.d/rc.sysinit",
+                    "line": 492,
+                    "column": 13,
+                    "event": "warning",
+                    "message": "Quote this to prevent word splitting. [SC2046]",
+                    "verbosity_level": "0"
+                },
+                {
+                    "file_name": "",
+                    "line": 0,
+                    "event": "#",
+                    "message": "  490|   if [ -n \"$SELINUX_STATE\" -a \"$READONLY\" != \"yes\" ]; then",
+                    "verbosity_level": "1"
+                },
+                {
+                    "file_name": "",
+                    "line": 0,
+                    "event": "#",
+                    "message": "  491|       if [ -f /.autorelabel ] || strstr \"$cmdline\" autorelabel ; then",
+                    "verbosity_level": "1"
+                },
+                {
+                    "file_name": "",
+                    "line": 0,
+                    "event": "#",
+                    "message": "  492|-> \trestorecon $(awk '!/^#/ && $4 !~ /noauto/ && $2 ~ /^\\// { print $2 }' /etc/fstab) >/dev/null 2>&1",
+                    "verbosity_level": "1"
+                },
+                {
+                    "file_name": "",
+                    "line": 0,
+                    "event": "#",
+                    "message": "  493|       fi",
+                    "verbosity_level": "1"
+                },
+                {
+                    "file_name": "",
+                    "line": 0,
+                    "event": "#",
+                    "message": "  494|   fi",
+                    "verbosity_level": "1"
+                }
+            ]
+        }
+    ]
+}

tests/csgrep/37-csgrep-json-args.txt

@@ -0,0 +1 @@
+

tests/csgrep/37-csgrep-json-stdin.txt

@@ -0,0 +1 @@
+36-csgrep-json-stdout.txt

tests/csgrep/37-csgrep-json-stdout.txt

@@ -0,0 +1 @@
+36-csgrep-json-stdin.txt