Convert topic name to Unicode

apps/openmw/mwgui/journalbooks.cpp

@@ -6,10 +6,10 @@
 #include "../mwbase/windowmanager.hpp"
 
 #include <components/fontloader/fontloader.hpp>
+#include <components/misc/utf8stream.hpp>
 
 #include "textcolours.hpp"
 
-
 namespace
 {
     struct AddContent
@@ -242,11 +242,17 @@ BookTypesetter::Ptr JournalBooks::createLatinJournalIndex ()
 
         sprintf (buffer, "( %c )", ch);
 
+        char buffer2 [32];
+        sprintf(buffer2, "%c", ch);
+        const char * c = buffer2;
+        Utf8Stream stream ((unsigned char*) c,(unsigned char*) c + strlen(c));
+        uint32_t first = stream.peek();
+
         // TODO: find a way to store a multibyte character in the InteractiveId (this is a intptr_t)
         const MWGui::TextColours& textColours = MWBase::Environment::get().getWindowManager()->getTextColours();
         BookTypesetter::Style* style = typesetter->createHotStyle (body, textColours.journalTopic,
                                                                    textColours.journalTopicOver,
-                                                                   textColours.journalTopicPressed, i+1);
+                                                                   textColours.journalTopicPressed, first);
 
         if (i == 13)
             typesetter->sectionBreak ();
@@ -271,11 +277,16 @@ BookTypesetter::Ptr JournalBooks::createCyrillicJournalIndex ()
 
         sprintf(buffer, "( %c%c )", 0xd0, 0x90 + i); // CYRILLIC CAPITAL A is a 0xd090 in UTF-8
 
-        // TODO: find a way to store a multibyte character in the InteractiveId (this is a intptr_t)
+        char buffer2 [32];
+        sprintf(buffer2, "%c%c", 0xd0, 0x90 + i);
+        const char * c = buffer2;
+        Utf8Stream stream ((unsigned char*) c,(unsigned char*) c + strlen(c));
+        uint32_t first = stream.peek();
+
         const MWGui::TextColours& textColours = MWBase::Environment::get().getWindowManager()->getTextColours();
         BookTypesetter::Style* style = typesetter->createHotStyle (body, textColours.journalTopic,
                                                                    textColours.journalTopicOver,
-                                                                   textColours.journalTopicPressed, i+1);
+                                                                   textColours.journalTopicPressed, first);
 
         // Words can not be started with these characters
         if (i == 26 || i == 28)

apps/openmw/mwgui/journalviewmodel.cpp

@@ -6,6 +6,8 @@
 #include <MyGUI_LanguageManager.h>
 
 #include <components/translation/translation.hpp>
+#include <components/misc/stringops.hpp>
+#include <components/misc/utf8stream.hpp>
 
 #include "../mwbase/world.hpp"
 #include "../mwbase/journal.hpp"
@@ -305,45 +307,20 @@ struct JournalViewModelImpl : JournalViewModel
         visitor (toUtf8Span (topic.getName()));
     }
 
-    void visitTopicNamesStartingWith (int index, std::function < void (const std::string&) > visitor) const
+    void visitTopicNamesStartingWith (uint32_t character, std::function < void (const std::string&) > visitor) const
     {
         MWBase::Journal * journal = MWBase::Environment::get().getJournal();
 
         for (MWBase::Journal::TTopicIter i = journal->topicBegin (); i != journal->topicEnd (); ++i)
         {
-            unsigned char byte1 = i->first[0];
-            // First, check for two-byte UTF-8 symbols, e.g. Cyrillic ones
-            // TODO: check which language journal index is using
-            if ((byte1 == 0xd0 || byte1 == 0xd1) && i->first.length() >= 2)
-            {
-                unsigned char byte2 = i->first[1];
+            const char * c = i->first.c_str();
+            Utf8Stream stream ((unsigned char*) c,(unsigned char*) c + strlen(c));
+            uint32_t first = Misc::StringUtils::toUpper(stream.peek());
 
-                std::pair<unsigned char, unsigned char> symbol = Misc::StringUtils::toLower(byte1, byte2);
+            if (first != character)
+                continue;
 
-                // CYRILLIC LETTER A - CYRILLIC LETTER PE
-                // index from 1 to 16
-                if (symbol.first == 0xd0 && symbol.second >= (0xaf + index) && symbol.second < (0xbf + index) && symbol.second == (0xaf + index))
-                {
-                    visitor (i->second.getName());
-                    continue;
-                }
-
-                // CYRILLIC LETTERL R - CYRILLIC LETTER YA
-                // index from 17 to 32
-                if (symbol.first == 0xd1 && symbol.second >= (0x6f + index) && symbol.second < (0x7f + index) && symbol.second == (0x6f + index))
-                {
-                    visitor (i->second.getName());
-                    continue;
-                }
-            }
-            else
-            {
-                // Otherwise check for regular Latin symbols, 0x61 = 'a'
-                if (i->first [0] != 0x60 + index)
-                    continue;
-
-                visitor (i->second.getName());
-            }
+            visitor (i->second.getName());
         }
     }
 

apps/openmw/mwgui/journalviewmodel.hpp

@@ -75,8 +75,8 @@ namespace MWGui
         /// provides the name of the topic specified by its id
         virtual void visitTopicName (TopicId topicId, std::function <void (Utf8Span)> visitor) const = 0;
 
-        /// walks over the topics whose names start with the character, specified by its index in the alphabet, providing the topics name
-        virtual void visitTopicNamesStartingWith (int index, std::function < void (const std::string&) > visitor) const = 0;
+        /// walks over the topics whose names start with the character
+        virtual void visitTopicNamesStartingWith (uint32_t character, std::function < void (const std::string&) > visitor) const = 0;
 
         /// walks over the topic entries for the topic specified by its identifier
         virtual void visitTopicEntries (TopicId topicId, std::function <void (TopicEntry const &)> visitor) const = 0;

components/misc/stringops.hpp

@@ -56,34 +56,21 @@ public:
         };
     }
 
-    static std::pair<char, char> toLower(unsigned char byte1, unsigned char byte2)
+    static uint32_t toUpper(uint32_t ch)
     {
-        std::pair<unsigned char, unsigned char> symbol = std::make_pair(byte1, byte2);
-        // CYRILLIC CAPITAL IO
-        if (symbol.first == 0xd0 && symbol.second == 0x01)
-        {
-            symbol.first++;
-            symbol.second = 0x91;
-        }
-        // CYRILLIC CAPITAL A - CYRILLIC CAPITAL PE
-        else if (symbol.first == 0xd0 && symbol.second >= 0x90 && symbol.second < 0xa0)
-        {
-            symbol.second += 0x20;
-        }
-        // CYRILLIC CAPITAL R - CYRILLIC CAPITAL YA
-        else if (symbol.first == 0xd0 && symbol.second >= 0xa0 && symbol.second < 0xb0)
-        {
-            symbol.first++;
-            symbol.second -= 0x20;
-        }
-        // Other symbols
-        else
-        {
-            symbol.first = toLower(symbol.first);
-            symbol.second = toLower(symbol.second);
-        }
+        // Russian alphabete
+        if (ch >= 0x0430 && ch < 0x0450)
+            ch -= 0x20;
 
-        return symbol;
+        // Cyrillic YO character
+        if (ch == 0x0451)
+            ch -= 0x50;
+
+        // Latin alphabete
+        if (ch >= 0x61 && ch < 0x80)
+            ch -= 0x20;
+
+        return ch;
     }
 
     static bool ciLess(const std::string &x, const std::string &y) {