private void pageImport(String value) {
// LOG.debug("pageImport(" + value + ')');
String[] imports = Pattern.compile(";").split(value.subSequence(0, value.length()));
for (int ix = 0; ix < imports.length; ix++) {
out.print("import ");
out.print(imports[ix]);
out.println();
}
}
private void write(CharSequence text, boolean gsp) {
if (!gsp) {
out.print(text);
return;
}
for (int ix = 0, ixz = text.length(); ix < ixz; ix++) {
char c = text.charAt(ix);
String rep = null;
if (Character.isWhitespace(c)) {
for (ix++; ix < ixz; ix++) {
if (Character.isWhitespace(text.charAt(ix))) {
continue;
}
ix--;
rep = " ";
break;
}
} else if (c == '&') {
if (match(";", text, ix)) {
rep = ";";
ix += 5;
} else if (match("&", text, ix)) {
rep = "&";
ix += 4;
} else if (match("<", text, ix)) {
rep = "<";
ix += 3;
} else if (match(">", text, ix)) {
rep = ">";
ix += 3;
}
} else if (c == '<') {
if (match("<br>", text, ix) || match("<hr>", text, ix)) {
rep = "\n";
// incrementLineNumber();
ix += 3;
} else {
int end = match(PARA_BREAK, text, ix);
if (end <= 0) end = match(ROW_BREAK, text, ix);
if (end > 0) {
rep = "\n";
// incrementLineNumber();
ix = end;
}
}
}
if (rep != null) {
out.print(rep);
} else {
out.print(c);
}
}
}
private void script(boolean gsp) {
flushTagBuffering();
if (!finalPass) return;
LOG.debug("parse: script");
out.println();
write(scan.getToken().trim(), gsp);
out.println();
out.println();
}
private void declare(boolean gsp) {
if (finalPass) {
return;
}
LOG.debug("parse: declare");
out.println();
write(scan.getToken().trim(), gsp);
out.println();
out.println();
}
private void expr() {
if (!finalPass) return;
LOG.debug("parse: expr");
String text = scan.getToken().trim();
text = getExpressionText(text);
if (text != null && text.length() > 2 && text.startsWith("(") && text.endsWith(")")) {
out.printlnToResponse(
GroovyPage.EXPRESSION_OUT_STATEMENT, text.substring(1, text.length() - 1));
} else {
out.printlnToResponse(GroovyPage.EXPRESSION_OUT_STATEMENT, text);
}
}
public void writeLineNumbers(File filename) throws IOException {
DataOutputStream dataOut = null;
try {
dataOut = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(filename)));
int lineNumbersCount = out.getCurrentLineNumber() - 1;
int[] lineNumbers = out.getLineNumbers();
dataOut.writeInt(lineNumbersCount);
for (int i = 0; i < lineNumbersCount; i++) {
dataOut.writeInt(lineNumbers[i]);
}
} finally {
SpringIOUtils.closeQuietly(dataOut);
}
}
/**
* Write to the outputstream ONLY if the string is not blank, else we hold it back in case it is
* to be swallowed between tags
*/
@SuppressWarnings("unused")
private void bufferedPrintlnToResponse(String s) {
if (currentlyBufferingWhitespace) {
whitespaceBuffer.append(s);
} else {
flushTagBuffering();
out.printlnToResponse(s);
}
}
public void generateGsp(Writer target, boolean precompileMode) {
this.precompileMode = precompileMode;
out = new GSPWriter(target, this);
if (packageName != null && packageName.length() > 0) {
out.println("package " + packageName);
out.println();
}
page();
finalPass = true;
scan.reset();
previousContentWasNonWhitespace = false;
currentlyBufferingWhitespace = false;
page();
out.close();
scan = null;
}
/**
* Adds the line numbers array to the end of the generated Groovy ModuleNode in a way suitable for
* the LineNumberTransform AST transform to operate on it
*/
private void addLineNumbers() {
out.println();
out.println("@LineNumber(");
out.print("\tlines = [");
// get the line numbers here. this will mean that the last 2 lines will not be captured in the
// line number information, but that's OK since a user cannot set a breakpoint there anyway.
int[] lineNumbers = filterTrailing0s(out.getLineNumbers());
for (int i = 0; i < lineNumbers.length; i++) {
out.print(lineNumbers[i]);
if (i < lineNumbers.length - 1) {
out.print(", ");
}
}
out.println("],");
out.println("\tsourceName = \"" + sourceName + "\"");
out.println(")");
out.println("class ___LineNumberPlaceholder { }");
}
private void scriptletExpr() {
if (!finalPass) {
return;
}
LOG.debug("parse: expr");
String text = scan.getToken().trim();
out.printlnToResponse(text);
}
private void writeTagBodyStart(TagMeta tm) {
if (tm.bufferMode) {
tm.bufferMode = false;
if (!bodyVarsDefined.contains(tm.tagIndex)) {
// out.print("def ");
bodyVarsDefined.add(tm.tagIndex);
}
out.println("createTagBody(" + tm.tagIndex + ", {->");
closureLevel++;
}
}
private void endTag() {
if (!finalPass) return;
String tagName = scan.getToken().trim();
String ns = scan.getNamespace();
if (tagMetaStack.isEmpty())
throw new GrailsTagException(
"Found closing Grails tag with no opening [" + tagName + "]",
pageName,
getCurrentOutputLineNumber());
TagMeta tm = tagMetaStack.pop();
String lastInStack = tm.name;
String lastNamespaceInStack = tm.namespace;
// if the tag name is blank then it has been closed by the start tag ie <tag />
if (GrailsStringUtils.isBlank(tagName)) {
tagName = lastInStack;
}
if (!lastInStack.equals(tagName) || !lastNamespaceInStack.equals(ns)) {
throw new GrailsTagException(
"Grails tag [" + lastNamespaceInStack + ":" + lastInStack + "] was not closed",
pageName,
getCurrentOutputLineNumber());
}
if (GroovyPage.DEFAULT_NAMESPACE.equals(ns) && tagRegistry.isSyntaxTag(tagName)) {
if (tm.instance instanceof GroovySyntaxTag) {
GroovySyntaxTag tag = (GroovySyntaxTag) tm.instance;
tag.doEndTag();
} else {
throw new GrailsTagException(
"Grails tag [" + tagName + "] was not closed", pageName, getCurrentOutputLineNumber());
}
} else {
int bodyTagIndex = -1;
if (!tm.emptyTag && !tm.bufferMode) {
bodyTagIndex = tagIndex;
out.println("})");
closureLevel--;
}
if (tm.bufferMode && tm.bufferPartNumber != -1) {
if (!bodyVarsDefined.contains(tm.tagIndex)) {
// out.print("def ");
bodyVarsDefined.add(tm.tagIndex);
}
out.println("createClosureForHtmlPart(" + tm.bufferPartNumber + ", " + tm.tagIndex + ")");
bodyTagIndex = tm.tagIndex;
tm.bufferMode = false;
}
if (jspTags.containsKey(ns)) {
String uri = jspTags.get(ns);
out.println("jspTag = getJspTag('" + uri + "', '" + tagName + "')");
out.println(
"if (!jspTag) throw new GrailsTagException('Unknown JSP tag "
+ ns
+ ":"
+ tagName
+ "')");
out.print("jspTag.doTag(out," + attrsVarsMapDefinition.get(tagIndex) + ",");
if (bodyTagIndex > -1) {
out.print("getBodyClosure(" + bodyTagIndex + ")");
} else {
out.print("null");
}
out.println(")");
} else {
if (tm.hasAttributes) {
out.println(
"invokeTag('"
+ tagName
+ "','"
+ ns
+ "',"
+ getCurrentOutputLineNumber()
+ ","
+ attrsVarsMapDefinition.get(tagIndex)
+ ","
+ bodyTagIndex
+ ")");
} else {
out.println(
"invokeTag('"
+ tagName
+ "','"
+ ns
+ "',"
+ getCurrentOutputLineNumber()
+ ",[:],"
+ bodyTagIndex
+ ")");
}
}
}
tm.bufferMode = false;
tagIndex--;
}
private void page() {
LOG.debug("parse: page");
if (finalPass) {
out.println();
if (pluginAnnotation != null) {
out.println(pluginAnnotation);
}
out.print("class ");
out.print(className);
out.println(" extends GroovyPage {");
out.println(
"public String getGroovyPageFileName() { \"" + pageName.replaceAll("\\\\", "/") + "\" }");
out.println("public Object run() {");
/*
out.println("def params = binding.params");
out.println("def request = binding.request");
out.println("def flash = binding.flash");
out.println("def response = binding.response");
*/
out.println("Writer " + GroovyPage.OUT + " = getOut()");
out.println("Writer " + GroovyPage.EXPRESSION_OUT + " = getExpressionOut()");
// out.println("JspTagLib jspTag");
if (sitemeshPreprocessMode) {
out.println("registerSitemeshPreprocessMode()");
}
}
loop:
for (; ; ) {
if (doNextScan) {
state = scan.nextToken();
} else {
doNextScan = true;
}
// Flush any buffered whitespace if there's not a possibility of more whitespace
// or a new tag which will handle flushing as necessary
if ((state != GSTART_TAG) && (state != HTML)) {
flushBufferedWhiteSpace();
previousContentWasNonWhitespace = false; // well, we don't know
}
switch (state) {
case EOF:
break loop;
case HTML:
html();
break;
case JEXPR:
scriptletExpr();
break;
case JSCRIPT:
script(false);
break;
case JDIRECT:
direct();
break;
case JDECLAR:
declare(false);
break;
case GEXPR:
expr();
break;
case GSCRIPT:
script(true);
break;
case GDIRECT:
direct();
break;
case GDECLAR:
declare(true);
break;
case GSTART_TAG:
startTag();
break;
case GEND_EMPTY_TAG:
case GEND_TAG:
endTag();
break;
}
}
if (finalPass) {
if (!tagMetaStack.isEmpty()) {
throw new GrailsTagException(
"Grails tags were not closed! [" + tagMetaStack + "] in GSP " + pageName + "",
pageName,
getCurrentOutputLineNumber());
}
out.println("}");
out.println("public static final Map " + CONSTANT_NAME_JSP_TAGS + " = new HashMap()");
if (jspTags != null && jspTags.size() > 0) {
out.println("static {");
for (Map.Entry<String, String> entry : jspTags.entrySet()) {
out.print("\t" + CONSTANT_NAME_JSP_TAGS + ".put('");
out.print(escapeGroovy(entry.getKey()));
out.print("','");
out.print(escapeGroovy(entry.getValue()));
out.println("')");
}
out.println("}");
}
out.println("protected void init() {");
out.println("\tthis.jspTags = " + CONSTANT_NAME_JSP_TAGS);
out.println("}");
out.println(
"public static final String "
+ CONSTANT_NAME_CONTENT_TYPE
+ " = '"
+ escapeGroovy(contentType)
+ "'");
out.println(
"public static final long " + CONSTANT_NAME_LAST_MODIFIED + " = " + lastModified + "L");
out.println(
"public static final String "
+ CONSTANT_NAME_EXPRESSION_CODEC
+ " = '"
+ escapeGroovy(expressionCodecDirectiveValue)
+ "'");
out.println(
"public static final String "
+ CONSTANT_NAME_STATIC_CODEC
+ " = '"
+ escapeGroovy(staticCodecDirectiveValue)
+ "'");
out.println(
"public static final String "
+ CONSTANT_NAME_OUT_CODEC
+ " = '"
+ escapeGroovy(outCodecDirectiveValue)
+ "'");
out.println(
"public static final String "
+ CONSTANT_NAME_TAGLIB_CODEC
+ " = '"
+ escapeGroovy(taglibCodecDirectiveValue)
+ "'");
out.println("}");
if (shouldAddLineNumbers()) {
addLineNumbers();
}
} else {
for (int i = 0; i < DEFAULT_IMPORTS.length; i++) {
out.print("import ");
out.println(DEFAULT_IMPORTS[i]);
}
}
}
private void htmlPartPrintlnRaw(int partNumber) {
out.print("printHtmlPart(");
out.print(String.valueOf(partNumber));
out.print(")");
out.println();
}
public int[] getLineNumberMatrix() {
return out.getLineNumbers();
}
