Initial import of kxmleditor 1.1.4

1 files changed, 257 insertions, 0 deletions

diff --git a/part/kxesyntaxhighlighter.cpp b/part/kxesyntaxhighlighter.cpp
new file mode 100644
index 0000000..c783077
--- /dev/null
+++ b/part/kxesyntaxhighlighter.cpp
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+/***************************************************************************
+                          kxesyntaxhighlighter.cpp  -  XML Syntax highlighter
+                             -------------------
+    begin                : Ne pro 14 2003
+    copyright            : (C) 2003 by The KXMLEditor Team
+    email                : lvanek.sourceforge.net
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "kxesyntaxhighlighter.h"
+
+#include <iostream>
+
+#include <qcolor.h>
+#include <qregexp.h>
+#include <qstring.h>
+#include <qstringlist.h>
+
+#include <ktextedit.h>
+
+// Regular expressions for parsing XML borrowed from:
+// http://www.cs.sfu.ca/~cameron/REX.html
+
+KXESyntaxHighlighter::KXESyntaxHighlighter(QTextEdit *textEdit)
+  : QSyntaxHighlighter(textEdit)
+{
+  m_clrDefaultText.setRgb(0, 0, 0);
+  m_clrElementName.setRgb(128, 0, 0);
+  m_clrAttributeName.setRgb(0, 255, 255);
+  m_clrAttributeValue.setRgb(0, 255, 0);
+  m_clrXmlSyntaxChar.setRgb(0, 0, 128); 
+  m_clrComment.setRgb(128, 128, 128);
+  m_clrSyntaxError.setRgb(255, 0, 0);
+}
+
+KXESyntaxHighlighter::~KXESyntaxHighlighter()
+{
+}
+
+
+int KXESyntaxHighlighter::highlightParagraph(const QString& text, int endStateOfLastPara)
+{
+    //first I format the given line to default so any remaining highlighting is removed (Qt does not do it by itself)
+    setFormat(0 , text.length(), QColor(0, 0, 0));
+
+    int iBracketNesting = 0;
+    m_eParserState = parsingNone;
+    int pos;
+		unsigned int i = 0;
+    
+		if(endStateOfLastPara == 1)
+		{
+			QRegExp patternComment("[^-]*-([^-][^-]*-)*->"); // search end of comment
+      pos=patternComment.search(text, i);
+
+      if(pos >= 0) // end comment found ?
+      {
+        int l = patternComment.matchedLength();
+              
+        setFormat(0, l - 3, m_clrComment);
+				setFormat(l - 3, 3, m_clrXmlSyntaxChar );
+        i += l; // skip comment
+      }
+			else
+			{
+				setFormat(0, text.length(), m_clrComment);
+				return 1; // return 1 to signify "in comment"
+			}
+		}
+		
+    for(; i < text.length() - 1; i++)
+    {
+      switch(text[i])
+      {
+        case '<':
+          iBracketNesting++;
+
+          if(iBracketNesting == 1)
+            { setFormat( i, 1, m_clrXmlSyntaxChar );
+              m_eParserState = expectElementNameOrSlash;
+            }
+          else
+            setFormat( i, 1, m_clrSyntaxError ); // wrong bracket nesting
+
+          break;
+
+        case '>':
+          iBracketNesting--;
+
+          if(iBracketNesting == 0)
+            setFormat( i, 1, m_clrXmlSyntaxChar );
+          else
+            setFormat( i, 1, m_clrSyntaxError ); // wrong bracket nesting
+
+          m_eParserState = parsingNone;
+            
+          break;
+
+        case '/':
+
+          if(m_eParserState == expectElementNameOrSlash)
+          {
+            m_eParserState = expectElementName;
+            setFormat( i, 1, m_clrXmlSyntaxChar );
+          }
+          else
+          {
+            if(m_eParserState == expectAtttributeOrEndOfElement)
+              setFormat( i, 1, m_clrXmlSyntaxChar );
+            else
+              processDefaultText(i, text);  
+          }
+          
+          break;
+            
+        case '=':
+          if(m_eParserState == expectEqual)
+          {
+            m_eParserState = expectAttributeValue;
+            setFormat( i, 1, m_clrXmlSyntaxChar );
+          }
+          else
+          {
+            processDefaultText(i, text);  
+          }
+          break;
+            
+        case '\"':
+          
+          if(m_eParserState == expectAttributeValue)
+          {
+            QRegExp patternAttribute("\"[^<\"]*\"|'[^<']*'"); // search attribute value
+            pos=patternAttribute.search(text, i);
+
+            if(pos == (int) i) // attribute value found ?
+            {
+              int l = patternAttribute.matchedLength();
+
+              setFormat(i, 1, m_clrXmlSyntaxChar );
+              setFormat(i+1, l - 2, m_clrAttributeValue);
+              setFormat(i+l-1, 1, m_clrXmlSyntaxChar );
+              
+              i += l - 1; // skip attribute value
+              m_eParserState = expectAtttributeOrEndOfElement;
+            }
+            else
+              processDefaultText(i, text);
+          }
+          else  
+            processDefaultText(i, text);
+            
+          break;
+
+        case '!':
+          if(m_eParserState == expectElementNameOrSlash)
+          {
+            QRegExp patternComment("<!--[^-]*-([^-][^-]*-)*->"); // search comment
+            pos=patternComment.search(text, i-1);
+
+            if(pos == (int) i-1) // comment found ?
+            {
+              int l = patternComment.matchedLength();
+              
+							setFormat(pos, 4, m_clrXmlSyntaxChar);
+              setFormat(pos + 4, l  - 7, m_clrComment);
+							setFormat(l - 3, 3, m_clrXmlSyntaxChar);
+              i += l - 2; // skip comment
+              m_eParserState = parsingNone;
+              iBracketNesting--;
+            }
+            else
+              { // Try find multiline comment
+								QRegExp patternCommentStart("<!--"); // search comment start
+            		pos=patternCommentStart.search(text, i-1);
+						
+								if(pos == (int)i-1) // comment found ?
+								{
+									setFormat(i, 3, m_clrXmlSyntaxChar );
+              		setFormat(i + 3, text.length() - i - 3, m_clrComment);
+              		return 1; // return 1 to signify "in comment"
+								}
+								else
+									processDefaultText(i, text);
+							}
+          }
+          else
+            processDefaultText(i, text);
+            
+          break;  
+
+        default:
+          int iLenght = processDefaultText(i, text);
+          if(iLenght > 0)
+            i += iLenght - 1;
+          break;
+      }
+    }
+
+    return 0;
+}
+
+int KXESyntaxHighlighter::processDefaultText(int i, const QString& text)
+{
+  int l = 0; // length of matched text
+
+  switch(m_eParserState)
+  {
+    case expectElementNameOrSlash:
+    case expectElementName:
+      {
+        QRegExp patternName("([A-Za-z_:]|[^\\x00-\\x7F])([A-Za-z0-9_:.-]|[^\\x00-\\x7F])*"); // search element name
+        int pos=patternName.search(text, i);
+
+        if(pos == i) // found ?
+        {
+          l = patternName.matchedLength();
+
+          setFormat(pos, l, m_clrElementName);
+          m_eParserState = expectAtttributeOrEndOfElement;
+        }
+        else
+          setFormat( i, 1, m_clrDefaultText );
+      }  
+      break;
+      
+    case expectAtttributeOrEndOfElement:
+      {
+        QRegExp patternName("([A-Za-z_:]|[^\\x00-\\x7F])([A-Za-z0-9_:.-]|[^\\x00-\\x7F])*"); // search attribute name
+        int pos=patternName.search(text, i);
+
+        if(pos == i) // found ?
+        {
+          l = patternName.matchedLength();
+
+          setFormat(pos, l, m_clrAttributeName);
+          m_eParserState = expectEqual;
+        }
+        else
+          setFormat( i, 1, m_clrDefaultText );
+      }
+      break;
+
+    default:
+      setFormat( i, 1, m_clrDefaultText );
+      break;
+  }
+  return l;
+}  
+