preserve non-standard source references

the PO format doc suggests that all references are in
filename:linennumber format, but some tools seem to deviate from that.
so do our best to preserve such references, even if we can't do anything
with them.

Task-number: QTBUG-9488

2 files changed, 25 insertions, 0 deletions

diff --git a/tests/auto/linguist/lconvert/data/test-refs.po b/tests/auto/linguist/lconvert/data/test-refs.po
new file mode 100644
index 0000000..e149a38
--- /dev/null
+++ b/tests/auto/linguist/lconvert/data/test-refs.po
@@ -0,0 +1,23 @@
+msgid ""
+msgstr ""
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Language: de_DE\n"
+
+#: themer/kdmlabel.cpp:285
+#, no-c-format
+msgctxt "date format"
+msgid "%a %d %B"
+msgstr "%a %d %B"
+
+#: foo.bar.baz
+#, no-c-format
+msgid "full java class name"
+msgstr ""
+
+#: foo.car:123 monks:here file/gar.c:17:19 no:monks:here
+#, no-c-format
+msgid "some excessive locations"
+msgstr ""
diff --git a/tests/auto/linguist/lconvert/tst_lconvert.cpp b/tests/auto/linguist/lconvert/tst_lconvert.cpp
index 998f588..a3c29d8 100644
--- a/tests/auto/linguist/lconvert/tst_lconvert.cpp
+++ b/tests/auto/linguist/lconvert/tst_lconvert.cpp
@@ -317,6 +317,8 @@ void tst_lconvert::roundtrips_data()
     QTest::newRow("po-xliff-po (plural-2)") << "plural-2.po" << poXlfPo << noArgs;
     QTest::newRow("po-xliff-po (plural-3)") << "plural-3.po" << poXlfPo << noArgs;
 
+    QTest::newRow("po-ts-po (references)") << "test-refs.po" << poTsPo << noArgs;
+
     QTest::newRow("ts20-ts11-ts20 (utf8)") << "codec-utf8.ts" << tsTs11Ts << noArgs;
     QTest::newRow("ts20-ts11-ts20 (cp1252)") << "codec-cp1252.ts" << tsTs11Ts << noArgs;
     QTest::newRow("ts20-ts11-ts20 (dual-encoding)") << "dual-encoding.ts" << tsTs11Ts << noArgs;