[evolution] I#86 - Quoting of plain text mail into HTML mode mangles deeper levels
- From: Milan Crha <mcrha src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evolution] I#86 - Quoting of plain text mail into HTML mode mangles deeper levels
- Date: Wed, 12 Sep 2018 11:56:15 +0000 (UTC)
commit 0585872786165ef766e3376e2860b5ad05f8d248
Author: Milan Crha <mcrha redhat com>
Date: Mon Sep 3 09:47:12 2018 +0200
I#86 - Quoting of plain text mail into HTML mode mangles deeper levels
Closes https://gitlab.gnome.org/GNOME/evolution/issues/86
src/e-util/test-html-editor-units-bugs.c | 115 +++++++++++++
.../web-extension/e-editor-dom-functions.c | 184 +++++++++++++++------
2 files changed, 244 insertions(+), 55 deletions(-)
---
diff --git a/src/e-util/test-html-editor-units-bugs.c b/src/e-util/test-html-editor-units-bugs.c
index ea3bf6f987..f89565f7e2 100644
--- a/src/e-util/test-html-editor-units-bugs.c
+++ b/src/e-util/test-html-editor-units-bugs.c
@@ -1208,6 +1208,120 @@ test_bug_750636 (TestFixture *fixture)
g_test_fail ();
}
+static void
+test_issue_86 (TestFixture *fixture)
+{
+ const gchar *source_text =
+ "normal text\n"
+ "\n"
+ "> level 1\n"
+ "> level 1\n"
+ "> > level 2\n"
+ "> > level 2\n"
+ "> >\n"
+ "> > level 2\n"
+ ">\n"
+ "> level 1\n"
+ "> level 1\n"
+ ">\n"
+ "> > > level 3\n"
+ "> > > level 3\n"
+ ">\n"
+ "> > level 2\n"
+ "> > level 2\n"
+ ">\n"
+ "> level 1\n"
+ "\n"
+ "back normal text\n";
+ gchar *converted, *to_insert;
+
+ if (!test_utils_process_commands (fixture,
+ "mode:html\n")) {
+ g_test_fail ();
+ return;
+ }
+
+ converted = camel_text_to_html (source_text,
+ CAMEL_MIME_FILTER_TOHTML_PRE |
+ CAMEL_MIME_FILTER_TOHTML_CONVERT_URLS |
+ CAMEL_MIME_FILTER_TOHTML_CONVERT_ADDRESSES |
+ CAMEL_MIME_FILTER_TOHTML_QUOTE_CITATION,
+ 0xDDDDDD);
+
+ g_return_if_fail (converted != NULL);
+
+ to_insert = g_strconcat (converted,
+ "<span class=\"-x-evo-to-body\" data-credits=\"On Today, User wrote:\"></span>"
+ "<span class=\"-x-evo-cite-body\"></span>",
+ NULL);
+
+ test_utils_insert_content (fixture, to_insert,
+ E_CONTENT_EDITOR_INSERT_REPLACE_ALL | E_CONTENT_EDITOR_INSERT_TEXT_HTML);
+
+ if (!test_utils_run_simple_test (fixture,
+ "",
+ HTML_PREFIX "<div>On Today, User wrote:</div>"
+ "<blockquote type=\"cite\" " BLOCKQUOTE_STYLE ">"
+ "<pre>normal text</pre>"
+ "<pre><br></pre>"
+ "<blockquote type=\"cite\" " BLOCKQUOTE_STYLE ">"
+ "<pre>level 1</pre>"
+ "<pre>level 1</pre>"
+ "<blockquote type=\"cite\" " BLOCKQUOTE_STYLE ">"
+ "<pre>level 2</pre>"
+ "<pre>level 2</pre>"
+ "<pre><br></pre>"
+ "<pre>level 2</pre>"
+ "</blockquote>"
+ "<pre><br></pre>"
+ "<pre>level 1</pre>"
+ "<pre>level 1</pre>"
+ "<pre><br></pre>"
+ "<blockquote type=\"cite\" " BLOCKQUOTE_STYLE ">"
+ "<blockquote type=\"cite\" " BLOCKQUOTE_STYLE ">"
+ "<pre>level 3</pre>"
+ "<pre>level 3</pre>"
+ "</blockquote>"
+ "</blockquote>"
+ "<pre><br></pre>"
+ "<blockquote type=\"cite\" " BLOCKQUOTE_STYLE ">"
+ "<pre>level 2</pre>"
+ "<pre>level 2</pre>"
+ "</blockquote>"
+ "<pre><br></pre>"
+ "<pre>level 1</pre>"
+ "</blockquote>"
+ "<pre><br></pre>"
+ "<pre>back normal text</pre>"
+ "</blockquote>" HTML_SUFFIX,
+ "On Today, User wrote:\n"
+ "> normal text\n"
+ "> \n"
+ "> > level 1\n"
+ "> > level 1\n"
+ "> > > level 2\n"
+ "> > > level 2\n"
+ "> > > \n"
+ "> > > level 2\n"
+ "> > \n"
+ "> > level 1\n"
+ "> > level 1\n"
+ "> > \n"
+ "> > > > level 3\n"
+ "> > > > level 3\n"
+ "> > \n"
+ "> > > level 2\n"
+ "> > > level 2\n"
+ "> > \n"
+ "> > level 1\n"
+ "> \n"
+ "> back normal text"))
+ g_test_fail ();
+
+ g_free (to_insert);
+ g_free (converted);
+}
+
void
test_add_html_editor_bug_tests (void)
{
@@ -1237,4 +1351,5 @@ test_add_html_editor_bug_tests (void)
test_utils_add_test ("/bug/780088", test_bug_780088);
test_utils_add_test ("/bug/788829", test_bug_788829);
test_utils_add_test ("/bug/750636", test_bug_750636);
+ test_utils_add_test ("/issue/86", test_issue_86);
}
diff --git a/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
b/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
index bdef1ccf57..71d80ae5a7 100644
--- a/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
+++ b/src/modules/webkit-editor/web-extension/e-editor-dom-functions.c
@@ -6230,7 +6230,6 @@ e_editor_dom_convert_content (EEditorPage *editor_page,
WEBKIT_DOM_NODE (content_wrapper),
WEBKIT_DOM_NODE (e_editor_dom_prepare_paragraph (editor_page, FALSE)),
NULL);
-
if (!cite_body) {
if (!empty) {
WebKitDOMNode *child;
@@ -8804,6 +8803,133 @@ e_editor_dom_adapt_to_editor_dom_changes (EEditorPage *editor_page)
g_clear_object (&collection);
}
+static void
+traverse_nodes_to_split_pre (WebKitDOMDocument *document,
+ WebKitDOMNode *node,
+ WebKitDOMNode *new_parent, /* can be NULL, then prepend to out_new_nodes */
+ gboolean is_in_pre,
+ GSList **out_new_nodes) /* WebKitDOMNode * */
+{
+ if (is_in_pre && WEBKIT_DOM_IS_TEXT (node)) {
+ gchar *text;
+
+ text = webkit_dom_text_get_whole_text (WEBKIT_DOM_TEXT (node));
+ if (text) {
+ WebKitDOMElement *pre;
+ gint ii;
+ gchar **strv;
+
+ strv = g_strsplit (text, "\n", -1);
+
+ for (ii = 0; strv && strv[ii]; ii++) {
+ if (*(strv[ii])) {
+ gint len = strlen (strv[ii]);
+
+ if (strv[ii][len - 1] == '\r') {
+ strv[ii][len - 1] = '\0';
+ }
+ }
+
+ /* <pre> is shown as a block, thus adding a new line at the end behaves like
two <br>-s */
+ if (!*(strv[ii]) && !strv[ii + 1])
+ break;
+
+ pre = webkit_dom_document_create_element (document, "pre", NULL);
+
+ if (*(strv[ii])) {
+ webkit_dom_html_element_set_inner_text (WEBKIT_DOM_HTML_ELEMENT
(pre), strv[ii], NULL);
+ } else {
+ WebKitDOMElement *br;
+
+ br = webkit_dom_document_create_element (document, "br", NULL);
+ webkit_dom_node_append_child (WEBKIT_DOM_NODE (pre), WEBKIT_DOM_NODE
(br), NULL);
+ }
+
+ if (new_parent)
+ webkit_dom_node_append_child (new_parent, WEBKIT_DOM_NODE (pre),
NULL);
+ else
+ *out_new_nodes = g_slist_prepend (*out_new_nodes, pre);
+ }
+
+ g_strfreev (strv);
+ }
+
+ g_free (text);
+ } else if (WEBKIT_DOM_IS_HTML_PRE_ELEMENT (node)) {
+ is_in_pre = TRUE;
+ } else {
+ WebKitDOMNode *nd;
+ GError *error = NULL;
+
+ nd = webkit_dom_node_clone_node_with_error (node, FALSE, &error);
+ if (nd) {
+ if (new_parent)
+ webkit_dom_node_append_child (new_parent, nd, NULL);
+ else
+ *out_new_nodes = g_slist_prepend (*out_new_nodes, nd);
+
+ new_parent = nd;
+ } else {
+ g_warning ("%s: Failed to clone node %s: %s\n", G_STRFUNC, G_OBJECT_TYPE_NAME (node),
error ? error->message : "Unknown error");
+ }
+ }
+
+ for (node = webkit_dom_node_get_first_child (node);
+ node;
+ node = webkit_dom_node_get_next_sibling (node)) {
+ traverse_nodes_to_split_pre (document, node, new_parent, is_in_pre, out_new_nodes);
+ }
+}
+
+static void
+maybe_split_pre_paragraphs (WebKitDOMDocument *document)
+{
+ WebKitDOMHTMLElement *body;
+ WebKitDOMNodeList *list;
+
+ body = webkit_dom_document_get_body (document);
+ if (!body)
+ return;
+
+ list = webkit_dom_document_query_selector_all (document, "pre", NULL);
+ if (webkit_dom_node_list_get_length (list)) {
+ WebKitDOMNode *body_node, *node, *current;
+ GSList *new_nodes = NULL, *to_remove = NULL, *link;
+
+ g_clear_object (&list);
+
+ body_node = WEBKIT_DOM_NODE (body);
+ webkit_dom_node_normalize (body_node);
+
+ for (current = webkit_dom_node_get_first_child (body_node);
+ current;
+ current = webkit_dom_node_get_next_sibling (current)) {
+ traverse_nodes_to_split_pre (document, current, NULL, FALSE, &new_nodes);
+ to_remove = g_slist_prepend (to_remove, current);
+ }
+
+ for (link = to_remove; link; link = g_slist_next (link)) {
+ node = link->data;
+
+ webkit_dom_node_remove_child (body_node, node, NULL);
+ }
+
+ /* They are in reverse order, thus reverse it */
+ new_nodes = g_slist_reverse (new_nodes);
+
+ for (link = new_nodes; link; link = g_slist_next (link)) {
+ node = link->data;
+
+ webkit_dom_node_append_child (body_node, node, NULL);
+ }
+
+ g_slist_free (to_remove);
+ g_slist_free (new_nodes);
+ }
+
+ g_clear_object (&list);
+}
+
void
e_editor_dom_process_content_after_load (EEditorPage *editor_page)
{
@@ -8853,60 +8979,8 @@ e_editor_dom_process_content_after_load (EEditorPage *editor_page)
}
goto out;
- } else {
- WebKitDOMNodeList *list;
- gulong ii;
-
- list = webkit_dom_document_query_selector_all (document, "pre", NULL);
- for (ii = webkit_dom_node_list_get_length (list); ii--;) {
- WebKitDOMNode *node = webkit_dom_node_list_item (list, ii), *parent;
- WebKitDOMElement *element;
- gchar *inner_html;
-
- element = WEBKIT_DOM_ELEMENT (node);
- parent = webkit_dom_node_get_parent_node (node);
- inner_html = webkit_dom_element_get_inner_html (element);
-
- if (inner_html && *inner_html) {
- gchar **strv;
-
- strv = g_strsplit (inner_html, "\n", -1);
- if (strv && strv[0] && strv[1]) {
- WebKitDOMElement *pre;
- gint jj;
-
- for (jj = 0; strv[jj]; jj++) {
- pre = webkit_dom_document_create_element (document, "pre",
NULL);
- if (*(strv[jj])) {
- gint len = strlen (strv[jj]);
-
- if (strv[jj][len - 1] == '\r') {
- strv[jj][len - 1] = '\0';
- }
- }
-
- if (*(strv[jj])) {
- webkit_dom_html_element_set_inner_html
(WEBKIT_DOM_HTML_ELEMENT (pre), strv[jj], NULL);
- } else {
- WebKitDOMElement *br;
-
- br = webkit_dom_document_create_element (document,
"br", NULL);
- webkit_dom_node_append_child (WEBKIT_DOM_NODE (pre),
WEBKIT_DOM_NODE (br), NULL);
- }
-
- webkit_dom_node_insert_before (parent, WEBKIT_DOM_NODE (pre),
node, NULL);
- }
-
- remove_node (node);
- }
-
- g_strfreev (strv);
- }
-
- g_free (inner_html);
- }
-
- g_clear_object (&list);
+ } else if (!webkit_dom_element_has_attribute (WEBKIT_DOM_ELEMENT (body), "data-evo-draft")) {
+ maybe_split_pre_paragraphs (document);
}
e_editor_dom_adapt_to_editor_dom_changes (editor_page);
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