From c641ca90a99bd9f7f5e62bea0b84766b948c6db3 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sun, 30 Nov 2014 10:53:05 +0100
Subject: lib/icu/Collate: move code to Util.cxx
---
src/lib/icu/Util.cxx | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 src/lib/icu/Util.cxx
(limited to 'src/lib/icu/Util.cxx')
diff --git a/src/lib/icu/Util.cxx b/src/lib/icu/Util.cxx
new file mode 100644
index 000000000..a18043c03
--- /dev/null
+++ b/src/lib/icu/Util.cxx
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "Util.hxx"
+#include "util/WritableBuffer.hxx"
+#include "util/ConstBuffer.hxx"
+
+#include <unicode/ustring.h>
+
+#include <assert.h>
+#include <string.h>
+
+WritableBuffer<UChar>
+UCharFromUTF8(const char *src)
+{
+ assert(src != nullptr);
+
+ const size_t src_length = strlen(src);
+ const size_t dest_capacity = src_length;
+ UChar *dest = new UChar[dest_capacity];
+
+ UErrorCode error_code = U_ZERO_ERROR;
+ int32_t dest_length;
+ u_strFromUTF8(dest, dest_capacity, &dest_length,
+ src, src_length,
+ &error_code);
+ if (U_FAILURE(error_code)) {
+ delete[] dest;
+ return nullptr;
+ }
+
+ return { dest, size_t(dest_length) };
+}
+
+WritableBuffer<char>
+UCharToUTF8(ConstBuffer<UChar> src)
+{
+ assert(!src.IsNull());
+
+ /* worst-case estimate */
+ size_t dest_capacity = 4 * src.size;
+
+ char *dest = new char[dest_capacity];
+
+ UErrorCode error_code = U_ZERO_ERROR;
+ int32_t dest_length;
+ u_strToUTF8(dest, dest_capacity, &dest_length, src.data, src.size,
+ &error_code);
+ if (U_FAILURE(error_code)) {
+ delete[] dest;
+ return nullptr;
+ }
+
+ return { dest, size_t(dest_length) };
+}
--
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