qdoc: Add the \hr command

Now you can out put a horizontal line
anywhere in your text.

Change-Id: I9b8bbbd6aa312e8386fb1a3b165876d76057f784
Reviewed-by: Casper van Donderen <casper.vandonderen@nokia.com>

src/tools/qdoc/atom.cpp

@@ -197,6 +197,7 @@ static const struct {
     { "FormattingRight", Atom::FormattingRight },
     { "GeneratedList", Atom::GeneratedList },
     { "GuidLink", Atom::GuidLink},
+    { "hr", Atom::HR},
     { "Image", Atom::Image },
     { "ImageText", Atom::ImageText },
     { "ImportantLeft", Atom::ImportantLeft },

src/tools/qdoc/atom.h

@@ -84,6 +84,7 @@ public:
         FormattingRight,
         GeneratedList,
         GuidLink,
+        HR,
         Image,
         ImageText,
         ImportantLeft,

src/tools/qdoc/ditaxmlgenerator.cpp

@@ -1194,6 +1194,11 @@ int DitaXmlGenerator::generateAtom(const Atom *atom,
         }
     }
         break;
+    case Atom::HR: //<p outputclass="horizontal-rule" />
+        writeStartTag(DT_p);
+        xmlWriter().writeAttribute("outputclass","horizontal-rule");
+        writeEndTag(); // </p>
+        break;
     case Atom::Image:
     case Atom::InlineImage:
     {

src/tools/qdoc/doc.cpp

@@ -118,6 +118,7 @@ enum {
     CMD_GENERATELIST,
     CMD_GRANULARITY,
     CMD_HEADER,
+    CMD_HR,
     CMD_I,
     CMD_IF,
     CMD_IMAGE,
@@ -235,6 +236,7 @@ static struct {
     { "generatelist", CMD_GENERATELIST, 0 },
     { "granularity", CMD_GRANULARITY, 0 }, // ### don't document for now
     { "header", CMD_HEADER, 0 },
+    { "hr", CMD_HR, 0 },
     { "i", CMD_I, 0 },
     { "if", CMD_IF, 0 },
     { "image", CMD_IMAGE, 0 },
@@ -904,6 +906,10 @@ void DocParser::parse(const QString& source,
                 case CMD_E:
                     startFormat(ATOM_FORMATTING_ITALIC, cmd);
                     break;
+                case CMD_HR:
+                    leavePara();
+                    append(Atom::HR);
+                    break;
                 case CMD_IF:
                     preprocessorSkipping.push(!Tokenizer::isTrue(getRestOfLine()));
                     if (preprocessorSkipping.top())

src/tools/qdoc/htmlgenerator.cpp

@@ -762,6 +762,9 @@ int HtmlGenerator::generateAtom(const Atom *atom,
         }
     }
         break;
+    case Atom::HR:
+        out() << "<hr />\n";
+        break;
     case Atom::Image:
     case Atom::InlineImage:
     {