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-rw-r--r--src/lib/icu/Collate.cxx205
-rw-r--r--src/lib/icu/Collate.hxx44
-rw-r--r--src/lib/icu/Error.cxx24
-rw-r--r--src/lib/icu/Error.hxx29
-rw-r--r--src/lib/icu/Init.cxx48
-rw-r--r--src/lib/icu/Init.hxx42
6 files changed, 392 insertions, 0 deletions
diff --git a/src/lib/icu/Collate.cxx b/src/lib/icu/Collate.cxx
new file mode 100644
index 000000000..17b536b37
--- /dev/null
+++ b/src/lib/icu/Collate.cxx
@@ -0,0 +1,205 @@
+/*
+ * 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 "Collate.hxx"
+
+#ifdef HAVE_ICU
+#include "Error.hxx"
+#include "util/WritableBuffer.hxx"
+#include "util/ConstBuffer.hxx"
+#include "util/Error.hxx"
+#include "util/Domain.hxx"
+
+#include <unicode/ucol.h>
+#include <unicode/ustring.h>
+#elif defined(HAVE_GLIB)
+#include <glib.h>
+#else
+#include <algorithm>
+#include <ctype.h>
+#endif
+
+#include <assert.h>
+#include <string.h>
+#include <strings.h>
+
+#ifdef HAVE_ICU
+static UCollator *collator;
+#endif
+
+#ifdef HAVE_ICU
+
+bool
+IcuCollateInit(Error &error)
+{
+ assert(collator == nullptr);
+ assert(!error.IsDefined());
+
+ UErrorCode code = U_ZERO_ERROR;
+ collator = ucol_open("", &code);
+ if (collator == nullptr) {
+ error.Format(icu_domain, int(code),
+ "ucol_open() failed: %s", u_errorName(code));
+ return false;
+ }
+
+ return true;
+}
+
+void
+IcuCollateFinish()
+{
+ assert(collator != nullptr);
+
+ ucol_close(collator);
+}
+
+static 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) };
+}
+
+static 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) };
+}
+
+#endif
+
+gcc_pure
+int
+IcuCollate(const char *a, const char *b)
+{
+#if !CLANG_CHECK_VERSION(3,6)
+ /* disabled on clang due to -Wtautological-pointer-compare */
+ assert(a != nullptr);
+ assert(b != nullptr);
+#endif
+
+#ifdef HAVE_ICU
+ assert(collator != nullptr);
+
+#if U_ICU_VERSION_MAJOR_NUM >= 50
+ UErrorCode code = U_ZERO_ERROR;
+ return (int)ucol_strcollUTF8(collator, a, -1, b, -1, &code);
+#else
+ /* fall back to ucol_strcoll() */
+
+ const auto au = UCharFromUTF8(a);
+ const auto bu = UCharFromUTF8(b);
+
+ int result = !au.IsNull() && !bu.IsNull()
+ ? (int)ucol_strcoll(collator, au.data, au.size,
+ bu.data, bu.size)
+ : strcasecmp(a, b);
+
+ delete[] au.data;
+ delete[] bu.data;
+
+ return result;
+#endif
+
+#elif defined(HAVE_GLIB)
+ return g_utf8_collate(a, b);
+#else
+ return strcasecmp(a, b);
+#endif
+}
+
+std::string
+IcuCaseFold(const char *src)
+{
+#ifdef HAVE_ICU
+ assert(collator != nullptr);
+#if !CLANG_CHECK_VERSION(3,6)
+ /* disabled on clang due to -Wtautological-pointer-compare */
+ assert(src != nullptr);
+#endif
+
+ const auto u = UCharFromUTF8(src);
+ if (u.IsNull())
+ return std::string(src);
+
+ size_t folded_capacity = u.size * 2u;
+ UChar *folded = new UChar[folded_capacity];
+
+ UErrorCode error_code = U_ZERO_ERROR;
+ size_t folded_length = u_strFoldCase(folded, folded_capacity,
+ u.data, u.size,
+ U_FOLD_CASE_DEFAULT,
+ &error_code);
+ delete[] u.data;
+ if (folded_length == 0 || error_code != U_ZERO_ERROR) {
+ delete[] folded;
+ return std::string(src);
+ }
+
+ auto result2 = UCharToUTF8({folded, folded_length});
+ delete[] folded;
+ if (result2.IsNull())
+ return std::string(src);
+
+ std::string result(result2.data, result2.size);
+ delete[] result2.data;
+#elif defined(HAVE_GLIB)
+ char *tmp = g_utf8_casefold(src, -1);
+ std::string result(tmp);
+ g_free(tmp);
+#else
+ std::string result(src);
+ std::transform(result.begin(), result.end(), result.begin(), tolower);
+#endif
+ return result;
+}
+
diff --git a/src/lib/icu/Collate.hxx b/src/lib/icu/Collate.hxx
new file mode 100644
index 000000000..8ae8de46a
--- /dev/null
+++ b/src/lib/icu/Collate.hxx
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_ICU_COLLATE_HXX
+#define MPD_ICU_COLLATE_HXX
+
+#include "check.h"
+#include "Compiler.h"
+
+#include <string>
+
+class Error;
+
+bool
+IcuCollateInit(Error &error);
+
+void
+IcuCollateFinish();
+
+gcc_pure gcc_nonnull_all
+int
+IcuCollate(const char *a, const char *b);
+
+gcc_pure gcc_nonnull_all
+std::string
+IcuCaseFold(const char *src);
+
+#endif
diff --git a/src/lib/icu/Error.cxx b/src/lib/icu/Error.cxx
new file mode 100644
index 000000000..1fef078ac
--- /dev/null
+++ b/src/lib/icu/Error.cxx
@@ -0,0 +1,24 @@
+/*
+ * 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 "Error.hxx"
+#include "util/Domain.hxx"
+
+const Domain icu_domain("icu");
diff --git a/src/lib/icu/Error.hxx b/src/lib/icu/Error.hxx
new file mode 100644
index 000000000..e96667f57
--- /dev/null
+++ b/src/lib/icu/Error.hxx
@@ -0,0 +1,29 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_ICU_ERROR_HXX
+#define MPD_ICU_ERROR_HXX
+
+#include "check.h"
+
+class Domain;
+
+extern const Domain icu_domain;
+
+#endif
diff --git a/src/lib/icu/Init.cxx b/src/lib/icu/Init.cxx
new file mode 100644
index 000000000..1d0ad0777
--- /dev/null
+++ b/src/lib/icu/Init.cxx
@@ -0,0 +1,48 @@
+/*
+ * 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 "Init.hxx"
+#include "Error.hxx"
+#include "Collate.hxx"
+#include "util/Error.hxx"
+
+#include <unicode/uclean.h>
+
+bool
+IcuInit(Error &error)
+{
+ UErrorCode code = U_ZERO_ERROR;
+ u_init(&code);
+ if (U_FAILURE(code)) {
+ error.Format(icu_domain, int(code),
+ "u_init() failed: %s", u_errorName(code));
+ return false;
+ }
+
+ return IcuCollateInit(error);
+}
+
+void
+IcuFinish()
+{
+ IcuCollateFinish();
+
+ u_cleanup();
+}
diff --git a/src/lib/icu/Init.hxx b/src/lib/icu/Init.hxx
new file mode 100644
index 000000000..9f585e2bd
--- /dev/null
+++ b/src/lib/icu/Init.hxx
@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+#ifndef MPD_ICU_INIT_HXX
+#define MPD_ICU_INIT_HXX
+
+#include "check.h"
+
+class Error;
+
+#ifdef HAVE_ICU
+
+bool
+IcuInit(Error &error);
+
+void
+IcuFinish();
+
+#else
+
+static inline bool IcuInit(Error &) { return true; }
+static inline void IcuFinish() {}
+
+#endif
+
+#endif
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