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+/*
+ * libpinyin
+ * Library to deal with pinyin.
+ *
+ * Copyright (C) 2011 Peng Wu <alexepico@gmail.com>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PINYIN_CUSTOM_H
+#define PINYIN_CUSTOM_H
+
+/**
+ * @brief enums of pinyin ambiguities.
+ *
+ * Some pinyin element maybe confused by somebody,
+ * We allow these ambiguities.
+ */
+enum PinyinAmbiguity
+{
+ PINYIN_AmbAny= 0,
+ PINYIN_AmbZhiZi,
+ PINYIN_AmbChiCi,
+ PINYIN_AmbShiSi,
+ PINYIN_AmbNeLe,
+ PINYIN_AmbLeRi,
+ PINYIN_AmbFoHe,
+ PINYIN_AmbGeKe,
+ PINYIN_AmbAnAng,
+ PINYIN_AmbEnEng,
+ PINYIN_AmbInIng,
+ PINYIN_AmbLast = PINYIN_AmbInIng
+};
+
+/**
+ * @brief Structure to hold pinyin custom settings.
+ *
+ * user can custom the behavor of libpinyin by these settings.
+ */
+struct PinyinCustomSettings
+{
+ bool use_incomplete;
+ /**< allow incomplete pinyin key which only has inital. */
+
+ bool use_ambiguities [PINYIN_AmbLast + 1];
+ /**< allow ambiguous pinyin elements or not. */
+
+ PinyinCustomSettings ();
+
+ void set_use_incomplete (bool use) { use_incomplete = use; }
+ void set_use_ambiguities (PinyinAmbiguity amb, bool use)
+ {
+ if (amb == PINYIN_AmbAny)
+ for (size_t i=0; i<=PINYIN_AmbLast; ++i) use_ambiguities [i] = use;
+ else {
+ use_ambiguities [0] = false;
+ use_ambiguities [static_cast<size_t>(amb)] = use;
+ for (size_t i=1; i<=PINYIN_AmbLast; ++i)
+ if (use_ambiguities [i]) {
+ use_ambiguities [0] = true;
+ break;
+ }
+ }
+ }
+
+ bool operator == (const PinyinCustomSettings &rhs) const
+ {
+ if (use_incomplete != rhs.use_incomplete)
+ return false;
+
+ for (size_t i=0; i <= PINYIN_AmbLast; ++i)
+ if (use_ambiguities [i] != rhs.use_ambiguities [i])
+ return false;
+
+ return true;
+ }
+
+ bool operator != (const PinyinCustomSettings &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ guint32 to_value () const
+ {
+ guint32 val = 0;
+
+ if (use_incomplete) val |= 1;
+
+ for (size_t i=0; i <= PINYIN_AmbLast; ++i)
+ if (use_ambiguities [i])
+ val |= (1 << (i+1));
+
+ return val;
+ }
+
+ void from_value (guint32 val)
+ {
+ use_incomplete = ((val & 1) != 0);
+
+ for (size_t i=0; i <= PINYIN_AmbLast; ++i)
+ use_ambiguities [i] = ((val & (1 << (i+1))) != 0);
+ }
+};
+
+#endif