[PATCH 7/7] lib/index: add simple html filter

Subject: [PATCH 7/7] lib/index: add simple html filter

Date: Wed, 22 Mar 2017 08:23:06 -0300

To: notmuch@notmuchmail.org

Cc:

From: David Bremner


Just drop all tags
---
 lib/index.cc               | 21 ++++++++++++++++++++-
 test/T680-html-indexing.sh |  5 ++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/lib/index.cc b/lib/index.cc
index fd66762c..324e6e79 100644
--- a/lib/index.cc
+++ b/lib/index.cc
@@ -206,6 +206,22 @@ filter_filter_uuencode (GMimeFilter *gmime_filter, char *inbuf, size_t inlen, si
 }
 
 static void
+filter_filter_html (GMimeFilter *gmime_filter, char *inbuf, size_t inlen, size_t prespace,
+		    char **outbuf, size_t *outlen, size_t *outprespace)
+{
+    static const scanner_state_t states[] = {
+	{0,  '<',  '<',  1,  0},
+	{1,  '\'', '\'', 4,  2},  /* scanning for quote or > */
+	{1,  '"',  '"',  5,  3},
+	{1,  '>',  '>',  0,  1},
+	{4,  '\'', '\'', 1,  4},  /* inside single quotes */
+	{5,  '"', '"',   1,  5},  /* inside double quotes */
+    };
+    do_filter(states, 1,
+	      gmime_filter, inbuf, inlen, prespace, outbuf, outlen, outprespace);
+}
+
+static void
 filter_complete (GMimeFilter *filter, char *inbuf, size_t inlen, size_t prespace,
 		 char **outbuf, size_t *outlen, size_t *outprespace)
 {
@@ -252,7 +268,10 @@ notmuch_filter_discard_non_terms_new (GMimeContentType *content_type)
     filter = (NotmuchFilterDiscardNonTerms *) g_object_newv (type, 0, NULL);
     filter->state = 0;
     filter->content_type = content_type;
-    filter->real_filter = filter_filter_uuencode;
+    if (g_mime_content_type_is_type (content_type, "text", "html"))
+	filter->real_filter = filter_filter_html;
+    else
+	filter->real_filter = filter_filter_uuencode;
     return (GMimeFilter *) filter;
 }
 
diff --git a/test/T680-html-indexing.sh b/test/T680-html-indexing.sh
index 5e9cc4cb..74f33708 100755
--- a/test/T680-html-indexing.sh
+++ b/test/T680-html-indexing.sh
@@ -5,10 +5,13 @@ test_description="indexing of html parts"
 add_email_corpus html
 
 test_begin_subtest 'embedded images should not be indexed'
-test_subtest_known_broken
 notmuch search kwpza7svrgjzqwi8fhb2msggwtxtwgqcxp4wbqr4wjddstqmeqa7 > OUTPUT
 test_expect_equal_file /dev/null OUTPUT
 
+test_begin_subtest 'ignore > in attribute text'
+notmuch search swordfish | notmuch_search_sanitize > OUTPUT
+test_expect_equal_file /dev/null OUTPUT
+
 test_begin_subtest 'non tag text should be indexed'
 notmuch search hunter2 | notmuch_search_sanitize > OUTPUT
 cat <<EOF > EXPECTED
-- 
2.11.0


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