Character group database support added

lib/libZRColaUI/include/zrcolaui/chargroup.h

@@ -0,0 +1,166 @@
+/*
+    Copyright 2015-2016 Amebis
+
+    This file is part of ZRCola.
+
+    ZRCola 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 3 of the License, or
+    (at your option) any later version.
+
+    ZRCola 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 ZRCola. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include "common.h"
+#include <zrcola/common.h>
+
+#include <stdex/idrec.h>
+#include <istream>
+#include <vector>
+
+#pragma warning(push)
+#pragma warning(disable: 4200)
+#pragma warning(disable: 4251)
+#pragma warning(disable: 4512)
+
+
+namespace ZRCola {
+    ///
+    /// Character group database
+    ///
+    class ZRCOLAUI_API chrgrp_db {
+    public:
+#pragma pack(push)
+#pragma pack(2)
+        ///
+        /// Character group data
+        ///
+        struct chrgrp {
+            enum flags_t {
+                SHOW = 1<<0,                    ///< Show initially
+            };
+
+            unsigned __int16 id;                ///< Character group id
+            unsigned __int16 rank;              ///< Character group rank
+            unsigned __int16 flags;             ///< Character group flags (bitwise combination of \c flags_t flags)
+            unsigned __int16 name_len;          ///< Character group name length in \c data
+            unsigned __int16 char_len;          ///< Character list length in \c data
+            wchar_t data[];                     ///< Character group name and character list
+        };
+#pragma pack(pop)
+
+        ///
+        /// Rank index
+        ///
+        class indexRnk : public index<unsigned __int16, unsigned __int32, chrgrp>
+        {
+        public:
+            ///
+            /// Constructs the index
+            ///
+            /// \param[in] h  Reference to vector holding the data
+            ///
+            indexRnk(_In_ std::vector<unsigned __int16> &h) : index<unsigned __int16, unsigned __int32, chrgrp>(h) {}
+
+            ///
+            /// Compares two character groups by rank (for searching)
+            ///
+            /// \param[in] a  Pointer to character group
+            /// \param[in] b  Pointer to second character group
+            ///
+            /// \returns
+            /// - <0 when a <  b
+            /// - =0 when a == b
+            /// - >0 when a >  b
+            ///
+            virtual int compare(_In_ const chrgrp &a, _In_ const chrgrp &b) const
+            {
+                     if (a.rank < b.rank) return -1;
+                else if (a.rank > b.rank) return +1;
+
+                return 0;
+            }
+
+            ///
+            /// Compares two character groups by rank (for sorting)
+            ///
+            /// \param[in] a  Pointer to character group
+            /// \param[in] b  Pointer to second character group
+            ///
+            /// \returns
+            /// - <0 when a <  b
+            /// - =0 when a == b
+            /// - >0 when a >  b
+            ///
+            virtual int compare_sort(_In_ const chrgrp &a, _In_ const chrgrp &b) const
+            {
+                     if (a.rank < b.rank) return -1;
+                else if (a.rank > b.rank) return +1;
+
+                int r = _wcsncoll(a.data, b.data, std::min<unsigned __int16>(a.name_len, b.name_len));
+                if (r != 0) return r;
+                     if (a.name_len < b.name_len) return -1;
+                else if (a.name_len > b.name_len) return +1;
+
+                return 0;
+            }
+        } idxRnk;   ///< Rank index
+
+        std::vector<unsigned __int16> data;     ///< Character groups data
+
+    public:
+        ///
+        /// Constructs the database
+        ///
+        inline chrgrp_db() : idxRnk(data) {}
+    };
+
+
+    typedef ZRCOLAUI_API stdex::idrec::record<chrgrp_db, recordid_t, recordsize_t, ZRCOLA_RECORD_ALIGN> chrgrp_rec;
+};
+
+
+const ZRCola::recordid_t stdex::idrec::record<ZRCola::chrgrp_db, ZRCola::recordid_t, ZRCola::recordsize_t, ZRCOLA_RECORD_ALIGN>::id = *(ZRCola::recordid_t*)"CGR";
+
+
+///
+/// Reads character group database from a stream
+///
+/// \param[in]  stream  Input stream
+/// \param[out] db      Character group database
+///
+/// \returns The stream \p stream
+///
+inline std::istream& operator >>(_In_ std::istream& stream, _Out_ ZRCola::chrgrp_db &db)
+{
+    unsigned __int32 count;
+
+    // Read index count.
+    stream.read((char*)&count, sizeof(count));
+    if (!stream.good()) return stream;
+
+    // Read rank index.
+    db.idxRnk.resize(count);
+    stream.read((char*)db.idxRnk.data(), sizeof(unsigned __int32)*count);
+    if (!stream.good()) return stream;
+
+    // Read data count.
+    stream.read((char*)&count, sizeof(count));
+    if (!stream.good()) return stream;
+
+    // Read data.
+    db.data.resize(count);
+    stream.read((char*)db.data.data(), sizeof(unsigned __int16)*count);
+
+    return stream;
+}
+
+#pragma warning(pop)