XmlElement* XmlDocument::readNextElement (const bool alsoParseSubElements)
{
XmlElement* node = nullptr;
skipNextWhiteSpace();
if (outOfData)
return nullptr;
if (*input == '<')
{
++input;
String::CharPointerType endOfToken (XmlIdentifierChars::findEndOfToken (input));
if (endOfToken == input)
{
// no tag name - but allow for a gap after the '<' before giving an error
skipNextWhiteSpace();
endOfToken = XmlIdentifierChars::findEndOfToken (input);
if (endOfToken == input)
{
setLastError ("tag name missing", false);
return node;
}
}
node = new XmlElement (input, endOfToken);
input = endOfToken;
LinkedListPointer<XmlElement::XmlAttributeNode>::Appender attributeAppender (node->attributes);
// look for attributes
for (;;)
{
skipNextWhiteSpace();
const juce_wchar c = *input;
// empty tag..
if (c == '/' && input[1] == '>')
{
input += 2;
break;
}
// parse the guts of the element..
if (c == '>')
{
++input;
if (alsoParseSubElements)
readChildElements (*node);
break;
}
// get an attribute..
if (XmlIdentifierChars::isIdentifierChar (c))
{
String::CharPointerType attNameEnd (XmlIdentifierChars::findEndOfToken (input));
if (attNameEnd != input)
{
const String::CharPointerType attNameStart (input);
input = attNameEnd;
skipNextWhiteSpace();
if (readNextChar() == '=')
{
skipNextWhiteSpace();
const juce_wchar nextChar = *input;
if (nextChar == '"' || nextChar == '\'')
{
XmlElement::XmlAttributeNode* const newAtt
= new XmlElement::XmlAttributeNode (attNameStart, attNameEnd);
readQuotedString (newAtt->value);
attributeAppender.append (newAtt);
continue;
}
}
else
{
setLastError ("expected '=' after attribute '"
+ String (attNameStart, attNameEnd) + "'", false);
return node;
}
}
}
else
{
if (! outOfData)
setLastError ("illegal character found in " + node->getTagName() + ": '" + c + "'", false);
}
break;
}
}
return node;
}
XmlElement* XmlDocument::readNextElement (const bool alsoParseSubElements)
{
XmlElement* node = nullptr;
skipNextWhiteSpace();
if (outOfData)
return nullptr;
const int openBracket = input.indexOf ((juce_wchar) '<');
if (openBracket >= 0)
{
input += openBracket + 1;
int tagLen = findNextTokenLength();
if (tagLen == 0)
{
// no tag name - but allow for a gap after the '<' before giving an error
skipNextWhiteSpace();
tagLen = findNextTokenLength();
if (tagLen == 0)
{
setLastError ("tag name missing", false);
return node;
}
}
node = new XmlElement (String (input, (size_t) tagLen));
input += tagLen;
LinkedListPointer<XmlElement::XmlAttributeNode>::Appender attributeAppender (node->attributes);
// look for attributes
for (;;)
{
skipNextWhiteSpace();
const juce_wchar c = *input;
// empty tag..
if (c == '/' && input[1] == '>')
{
input += 2;
break;
}
// parse the guts of the element..
if (c == '>')
{
++input;
if (alsoParseSubElements)
readChildElements (node);
break;
}
// get an attribute..
if (XmlIdentifierChars::isIdentifierChar (c))
{
const int attNameLen = findNextTokenLength();
if (attNameLen > 0)
{
const String::CharPointerType attNameStart (input);
input += attNameLen;
skipNextWhiteSpace();
if (readNextChar() == '=')
{
skipNextWhiteSpace();
const juce_wchar nextChar = *input;
if (nextChar == '"' || nextChar == '\'')
{
XmlElement::XmlAttributeNode* const newAtt
= new XmlElement::XmlAttributeNode (String (attNameStart, (size_t) attNameLen),
String::empty);
readQuotedString (newAtt->value);
attributeAppender.append (newAtt);
continue;
}
}
}
}
else
{
if (! outOfData)
setLastError ("illegal character found in " + node->getTagName() + ": '" + c + "'", false);
}
break;
}
}
return node;
}