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Code Issues Projects Releases Wiki Activity

added syntax highlighting

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This commit is contained in:
fros4943 2008-03-19 14:52:04 +00:00
parent 1e3ec46ddb
commit 7d1a1e853a
1 changed files with 208 additions and 2 deletions
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210
tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/plugins/CodeUI.java
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@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: CodeUI.java,v 1.1 2008/02/07 14:55:18 fros4943 Exp $
* $Id: CodeUI.java,v 1.2 2008/03/19 14:52:04 fros4943 Exp $
*/
package se.sics.cooja.mspmote.plugins;
@ -37,11 +37,15 @@ import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.util.Enumeration;
import java.util.Vector;
import javax.swing.*;
import org.apache.log4j.Logger;
import se.sics.cooja.mspmote.plugins.MspCodeWatcher.Breakpoints;
import se.sics.mspsim.extutil.highlight.CScanner;
import se.sics.mspsim.extutil.highlight.Token;
import se.sics.mspsim.extutil.highlight.TokenTypes;
/**
* Displays source code and allows a user to add and remove breakpoints.
@ -57,6 +61,9 @@ public class CodeUI extends JPanel {
private Breakpoints breakpoints = null;
private Token tokensArray[][] = null;
private int tokensStartPos[] = null;
/**
* @param breakpoints Breakpoints
*/
@ -75,6 +82,7 @@ public class CodeUI extends JPanel {
}
}
});
}
/**
@ -92,6 +100,74 @@ public class CodeUI extends JPanel {
return;
}
private void createTokens(Vector<String> codeData) {
/* Merge code lines */
String code = "";
for (String line: codeData) {
code += line + "\n";
}
/* Scan code */
CScanner cScanner = new CScanner();
cScanner.change(0, 0, code.length());
int nrTokens;
nrTokens = cScanner.scan(code.toCharArray(), 0, code.length());
/* Extract tokens */
Vector<Token> codeTokensVector = new Vector<Token>();
for (int i=0; i < nrTokens; i++) {
Token token = cScanner.getToken(i);
codeTokensVector.add(token);
}
/* Create new line token array */
Token newTokensArray[][] = new Token[codeData.size()][];
int[] newTokensStartPos = new int[codeData.size()];
int lineStart=0, lineEnd=-1;
Enumeration<Token> tokensEnum = codeTokensVector.elements();
Token currentToken = tokensEnum.nextElement();
for (int i=0; i < newTokensArray.length; i++) {
lineStart = lineEnd + 1;
lineEnd = lineStart + codeData.get(i).length();
newTokensStartPos[i] = lineStart;;
/* Advance tokens until correct line */
while (currentToken.position + currentToken.symbol.name.length() < lineStart) {
if (!tokensEnum.hasMoreElements()) {
break;
}
currentToken = tokensEnum.nextElement();
}
/* Advance tokens until last token on line */
Vector<Token> lineTokens = new Vector<Token>();
while (currentToken.position < lineEnd) {
lineTokens.add(currentToken);
if (!tokensEnum.hasMoreElements()) {
break;
}
currentToken = tokensEnum.nextElement();
}
if (currentToken == null) {
break;
}
/* Store line tokens */
Token[] lineTokensArray = new Token[lineTokens.size()];
for (int j=0; j < lineTokens.size(); j++) {
lineTokensArray[j] = lineTokens.get(j);
}
newTokensArray[i] = lineTokensArray;
}
/* Start using tokens array */
tokensArray = newTokensArray;
tokensStartPos = newTokensStartPos;
}
/**
* Display given source code and mark given line.
@ -133,6 +209,8 @@ public class CodeUI extends JPanel {
});
panel.removeAll();
panel.add(codeList);
createTokens(codeData);
displayLine(lineNr);
}
});
@ -252,6 +330,58 @@ public class CodeUI extends JPanel {
}
}
/* FROM: http://www.rgagnon.com/javadetails/java-0306.html, 03/19/2008 */
private static String stringToHTMLString(String string) {
StringBuffer sb = new StringBuffer(string.length());
boolean lastWasBlankChar = false;
int len = string.length();
char c;
for (int i = 0; i < len; i++)
{
c = string.charAt(i);
if (c == ' ') {
if (lastWasBlankChar) {
lastWasBlankChar = false;
sb.append("&nbsp;");
}
else {
lastWasBlankChar = true;
sb.append(' ');
}
}
else {
lastWasBlankChar = false;
//
// HTML Special Chars
if (c == '"') {
sb.append("&quot;");
} else if (c == '&') {
sb.append("&amp;");
} else if (c == '<') {
sb.append("&lt;");
} else if (c == '>') {
sb.append("&gt;");
} else if (c == '\n') {
// Handle Newline
sb.append("&lt;br/&gt;");
} else {
int ci = 0xffff & c;
if (ci < 160 ) {
// nothing special only 7 Bit
sb.append(c);
} else {
// Not 7 Bit use the unicode system
sb.append("&#");
sb.append(new Integer(ci).toString());
sb.append(';');
}
}
}
}
return sb.toString();
}
private class CodeCellRenderer extends JLabel implements ListCellRenderer {
private int currentIndex;
@ -263,6 +393,76 @@ public class CodeUI extends JPanel {
this.currentIndex = currentLineNr - 1;
}
private String getColoredLabelText(int lineNr, int lineStartPos, Token[] tokens, String code) {
String html = "<html>";
/* Add line number */
html += "<font color=\"333333\">" + lineNr + ": </font>";
/* Add code */
if (tokens == null || tokens.length == 0 || lineStartPos < 0) {
html += "<font color=\"000000\">" + code + "</font>";
} else {
for (int i=tokens.length-1; i >= 0; i--) {
Token subToken = tokens[i];
String colorString = "000000";
/* Determine code color */
final int type = subToken.symbol.type;
switch (type) {
case TokenTypes.COMMENT:
case TokenTypes.START_COMMENT:
case TokenTypes.MID_COMMENT:
case TokenTypes.END_COMMENT:
colorString = "00AA00";
break;
case TokenTypes.STRING:
colorString = "0000AA";
break;
case TokenTypes.KEYWORD:
case TokenTypes.KEYWORD2:
colorString = "AA0000";
break;
}
logger.debug(subToken.symbol.name + " is type " + subToken.symbol.type + " and gets color: " + colorString);
/* Extract part of token residing in current line */
int tokenLinePos;
String subCode;
if (subToken.position < lineStartPos) {
subCode = subToken.symbol.name.substring(lineStartPos - subToken.position);
tokenLinePos = 0;
} else if (subToken.position + subToken.symbol.name.length() > lineStartPos + code.length()) {
subCode = subToken.symbol.name.substring(0, code.length() + lineStartPos - subToken.position);
tokenLinePos = subToken.position - lineStartPos;
} else {
subCode = subToken.symbol.name;
tokenLinePos = subToken.position - lineStartPos;
}
subCode = stringToHTMLString(subCode);
String firstPart = code.substring(0, tokenLinePos);
String coloredSubCode = "<font color=\"" + colorString + "\">" + subCode + "</font>";
String lastPart =
tokenLinePos + subToken.symbol.name.length() >= code.length()?
"":code.substring(tokenLinePos + subToken.symbol.name.length());
logger.debug(" IN>> '" + code + "'");
code = firstPart + coloredSubCode + lastPart;
logger.debug("OUT>> '" + code + "'");
}
code = code.replace(" ", " &nbsp;");
html += code;
}
html += "</html>";
return html;
}
public Component getListCellRendererComponent(
JList list,
Object value,
@ -272,7 +472,12 @@ public class CodeUI extends JPanel {
{
int lineNr = index + 1;
setText(lineNr + ": " + value);
if (tokensArray != null && index < tokensArray.length && tokensArray[index] != null) {
setText(getColoredLabelText(lineNr, tokensStartPos[index], tokensArray[index], (String) value));
} else {
setText(getColoredLabelText(lineNr, 0, null, (String) value));
}
if (index == currentIndex) {
setBackground(Color.green);
} else if (isSelected) {
@ -290,6 +495,7 @@ public class CodeUI extends JPanel {
} else {
setFont(list.getFont());
}
setOpaque(true);
return this;