From cb5f661596df2a03a33fe065ac1c9fb5d40fe1ce Mon Sep 17 00:00:00 2001
From: MiroslavR <miroslavr256@gmail.com>
Date: Sat, 27 Sep 2014 13:31:59 +0200
Subject: [PATCH] Book formatter: Support FONT closing tag, minor code cleanup

---
 apps/openmw/mwgui/formatting.cpp | 33 ++++++++++++++++++++++++++++----
 apps/openmw/mwgui/formatting.hpp | 19 +++++++++++-------
 2 files changed, 41 insertions(+), 11 deletions(-)

diff --git a/apps/openmw/mwgui/formatting.cpp b/apps/openmw/mwgui/formatting.cpp
index d838ae8af..8cca621b8 100644
--- a/apps/openmw/mwgui/formatting.cpp
+++ b/apps/openmw/mwgui/formatting.cpp
@@ -21,7 +21,7 @@ namespace MWGui
     {
         /* BookTextParser */
         BookTextParser::BookTextParser(const std::string & text)
-            : mIndex(0), mText(text), mIgnoreNewlineTags(true), mIgnoreLineEndings(true)
+            : mIndex(0), mText(text), mIgnoreNewlineTags(true), mIgnoreLineEndings(true), mClosingTag(false)
         {
             MWScript::InterpreterContext interpreterContext(NULL, MWWorld::Ptr()); // empty arguments, because there is no locals or actor
             mText = Interpreter::fixDefinesBook(mText, interpreterContext);
@@ -40,7 +40,7 @@ namespace MWGui
             mTagTypes[tag] = type;
         }
 
-        std::string BookTextParser::getReadyText()
+        std::string BookTextParser::getReadyText() const
         {
             return mReadyText;
         }
@@ -117,12 +117,27 @@ namespace MWGui
             return mAttributes;
         }
 
+        bool BookTextParser::isClosingTag() const
+        {
+            return mClosingTag;
+        }
+
         void BookTextParser::parseTag(std::string tag)
         {
             size_t tagNameEndPos = tag.find(' ');
+            mAttributes.clear();
             mTag = tag.substr(0, tagNameEndPos);
             Misc::StringUtils::toLower(mTag);
-            mAttributes.clear();
+            if (mTag.empty())
+                return;
+
+            mClosingTag = (mTag[0] == '/');
+            if (mClosingTag)
+            {
+                mTag.erase(mTag.begin());
+                return;
+            }
+
             if (tagNameEndPos == std::string::npos)
                 return;
             tag.erase(0, tagNameEndPos+1);
@@ -232,7 +247,10 @@ namespace MWGui
                         break;
                     }
                     case BookTextParser::Event_FontTag:
-                        handleFont(parser.getAttributes());
+                        if (parser.isClosingTag())
+                            resetFontProperties();
+                        else
+                            handleFont(parser.getAttributes());
                         break;
                     case BookTextParser::Event_DivTag:
                         handleDiv(parser.getAttributes());
@@ -256,6 +274,13 @@ namespace MWGui
             return markupToWidget(parent, markup, parent->getWidth(), parent->getHeight());
         }
 
+        void BookFormatter::resetFontProperties()
+        {
+            MyGUI::Align align = mTextStyle.mTextAlign;
+            mTextStyle = TextStyle();
+            mTextStyle.mTextAlign = align;
+        }
+
         void BookFormatter::handleDiv(const BookTextParser::Attributes & attr)
         {
             if (attr.find("align") == attr.end())
diff --git a/apps/openmw/mwgui/formatting.hpp b/apps/openmw/mwgui/formatting.hpp
index cf55b36fb..64764a13b 100644
--- a/apps/openmw/mwgui/formatting.hpp
+++ b/apps/openmw/mwgui/formatting.hpp
@@ -40,15 +40,18 @@ namespace MWGui
                 };
 
                 BookTextParser(const std::string & text);
-                void registerTag(const std::string & tag, Events type);
-                std::string getReadyText();
 
                 Events next();
-                void flushBuffer();
+
                 const Attributes & getAttributes() const;
-                void parseTag(std::string tag);
+                std::string getReadyText() const;
+                bool isClosingTag() const;
 
             private:
+                void registerTag(const std::string & tag, Events type);
+                void flushBuffer();
+                void parseTag(std::string tag);
+
                 size_t mIndex;
                 std::string mText;
                 std::string mReadyText;
@@ -57,6 +60,7 @@ namespace MWGui
                 bool mIgnoreLineEndings;
                 Attributes mAttributes;
                 std::string mTag;
+                bool mClosingTag;
                 std::map<std::string, Events> mTagTypes;
                 std::string mBuffer;
         };
@@ -101,11 +105,12 @@ namespace MWGui
                 Paginator::Pages markupToWidget(MyGUI::Widget * parent, const std::string & markup, const int pageWidth, const int pageHeight);
                 Paginator::Pages markupToWidget(MyGUI::Widget * parent, const std::string & markup);
 
-            protected:
-                void handleImg(const BookTextParser::Attributes & attr);
+            private:
+                void resetFontProperties();
+
                 void handleDiv(const BookTextParser::Attributes & attr);
                 void handleFont(const BookTextParser::Attributes & attr);
-            private:
+
                 TextStyle mTextStyle;
         };