Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 100 insertions, 0 deletions

diff --git a/lingucomponent/source/languageguessing/guess.cxx b/lingucomponent/source/languageguessing/guess.cxx
new file mode 100644
index 000000000..a7cbeccab
--- /dev/null
+++ b/lingucomponent/source/languageguessing/guess.cxx
@@ -0,0 +1,100 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+#include <string.h>
+
+#ifdef SYSTEM_LIBEXTTEXTCAT
+#include <libexttextcat/textcat.h>
+#else
+#include <textcat.h>
+#endif
+
+#include "guess.hxx"
+
+/* Old textcat.h versions defined bad spelled constants. */
+#ifndef TEXTCAT_RESULT_UNKNOWN_STR
+#define TEXTCAT_RESULT_UNKNOWN_STR _TEXTCAT_RESULT_UNKOWN
+#endif
+
+#ifndef TEXTCAT_RESULT_SHORT_STR
+#define TEXTCAT_RESULT_SHORT_STR _TEXTCAT_RESULT_SHORT
+#endif
+
+Guess::Guess()
+    : language_str(DEFAULT_LANGUAGE)
+    , country_str(DEFAULT_COUNTRY)
+{
+}
+
+/*
+* this use a char * string to build the guess object
+* a string like those is made as : [language-country-encoding]...
+*
+*/
+Guess::Guess(const char * guess_str)
+    : language_str(DEFAULT_LANGUAGE)
+    , country_str(DEFAULT_COUNTRY)
+{
+    //if the guess is not like "UNKNOWN" or "SHORT", go into the brackets
+    if(strcmp(guess_str + 1, TEXTCAT_RESULT_UNKNOWN_STR) == 0
+       || strcmp(guess_str + 1, TEXTCAT_RESULT_SHORT_STR) == 0)
+        return;
+
+    // From how this ctor is called from SimpleGuesser::GuessLanguage and
+    // SimpleGuesser::GetManagedLanguages in
+    // lingucomponent/source/languageguessing/simpleguesser.cxx, guess_str must start with "[":
+    assert(guess_str[0] == GUESS_SEPARATOR_OPEN);
+    auto const start = guess_str + 1;
+    // Only look at the prefix of guess_str, delimited by the next "]" or "[" or end-of-string;
+    // split it into at most three segments separated by "-" (where excess occurrences of "-"
+    // would become part of the third segment), like "en-US-utf8"; the first segment denotes the
+    // language; if there are three segments, the second denotes the country and the third the
+    // encoding; otherwise, the second segment, if any (e.g., in "haw-utf8"), denotes the
+    // encoding:
+    char const * dash1 = nullptr;
+    char const * dash2 = nullptr;
+    auto p = start;
+    for (;; ++p) {
+        auto const c = *p;
+        if (c == '\0' || c == GUESS_SEPARATOR_OPEN || c == GUESS_SEPARATOR_CLOSE) {
+            break;
+        }
+        if (c == GUESS_SEPARATOR_SEP) {
+            if (dash1 == nullptr) {
+                dash1 = p;
+            } else {
+                dash2 = p;
+                // The encoding is ignored, so we can stop as soon as we found the second "-":
+                break;
+            }
+        }
+    }
+    auto const langLen = (dash1 == nullptr ? p : dash1) - start;
+    if (langLen != 0) { // if not we use the default value
+        language_str.assign(start, langLen);
+    }
+    if (dash2 != nullptr) {
+        country_str.assign(dash1 + 1, dash2 - (dash1 + 1));
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */