public string GetAttribute(string aName)
{
byte[] name = Encoding.ASCII.GetBytes(aName);
for (int i = 0; i < attributes.Count; i++)
{
TBXMLAttribute attribute = attributes [i];
if (tbxml.strlen(attribute.nameIdx) == name.Length && tbxml.strncmp(attribute.nameIdx, name, name.Length) == 0)
{
return(System.Text.UTF8Encoding.Default.GetString(tbxml.bytes, (int)attribute.valueIdx, (int)tbxml.strlen(attribute.valueIdx)));
}
}
return(null);
}
private void DecodeBytes(Action <TBXMLElement> onStartElement, Action <TBXMLElement> onEndElement)
{
byte[] localBytes = bytes;
long localBytesLength = bytesLength;
Stack <TBXMLElement> elementStack = new Stack <TBXMLElement> ();
Stack <TBXMLElement> freeElementList = new Stack <TBXMLElement> ();
TBXMLAttribute xmlAttribute = new TBXMLAttribute();
// set elementStart pointer to the start of our xml
long elementStartIdx = 0;
// find next element start
while ((elementStartIdx = strstr1(elementStartIdx, (byte)'<')) < localBytesLength)
{
// detect comment section
//if (strncmp (elementStartIdx, commentStartArray, commentStartArray.Length) == 0) {
if (localBytes [elementStartIdx] == (byte)'<' && localBytes [elementStartIdx + 1] == (byte)'!' && localBytes [elementStartIdx + 2] == (byte)'-')
{
elementStartIdx = strstr3(elementStartIdx, (byte)'-', (byte)'-', (byte)'>') + 3;
continue;
}
// detect cdata section within element text
//long isCDATA = strncmp (elementStartIdx, cdataStartArray, cdataStartArray.Length);
// NOTE: logic is switched here to match the output of the strncmp() method, in which 0 == true
long isCDATA = 1;
if (elementStartIdx < localBytesLength - 9 && localBytes [elementStartIdx] == (byte)'<' && localBytes [elementStartIdx + 8] == (byte)'[' && localBytes [elementStartIdx + 1] == (byte)'!' && localBytes [elementStartIdx + 2] == (byte)'[' && localBytes [elementStartIdx + 3] == (byte)'C' && localBytes [elementStartIdx + 4] == (byte)'D' && localBytes [elementStartIdx + 5] == (byte)'A' && localBytes [elementStartIdx + 6] == (byte)'T' && localBytes [elementStartIdx + 7] == (byte)'A')
{
isCDATA = 0;
}
long elementEndIdx;
// if cdata section found, skip data within cdata section and remove cdata tags
if (isCDATA == 0)
{
// find end of cdata section
long CDATAEndIdx = strstr3(elementStartIdx, (byte)']', (byte)']', (byte)'>');
// find start of next element skipping any cdata sections within text
elementEndIdx = CDATAEndIdx;
// find next open tag
elementEndIdx = strstr1(elementEndIdx, (byte)'<');
// if open tag is a cdata section
while (localBytes [elementEndIdx] == (byte)'<' && localBytes [elementEndIdx + 8] == (byte)'[' && localBytes [elementEndIdx + 1] == (byte)'!' && localBytes [elementEndIdx + 2] == (byte)'[' && localBytes [elementEndIdx + 3] == (byte)'C' && localBytes [elementEndIdx + 4] == (byte)'D' && localBytes [elementEndIdx + 5] == (byte)'A' && localBytes [elementEndIdx + 6] == (byte)'T' && localBytes [elementEndIdx + 7] == (byte)'A')
{
// find end of cdata section
elementEndIdx = strstr3(elementEndIdx, (byte)']', (byte)']', (byte)'>');
// find next open tag
elementEndIdx = strstr1(elementEndIdx, (byte)'<');
}
// calculate length of cdata content
long CDATALength = elementEndIdx - elementStartIdx;
// calculate total length of text
long textLength = elementEndIdx - elementStartIdx;
// remove begining cdata section tag
memcpy(elementStartIdx, elementStartIdx + 9, CDATAEndIdx - elementStartIdx - 9);
// remove ending cdata section tag
memcpy(CDATAEndIdx - 9, CDATAEndIdx + 3, textLength - CDATALength - 3);
// blank out end of text
memset(elementStartIdx + textLength - 12, (byte)' ', 12);
// set new search start position
elementStartIdx = CDATAEndIdx - 9;
continue;
}
// find element end, skipping any cdata sections within attributes
elementEndIdx = elementStartIdx + 1;
while ((elementEndIdx = strpbrk2(elementEndIdx, (byte)'<', (byte)'>')) < localBytesLength)
{
//if (strncmp (elementEndIdx, cdataStartArray, cdataStartArray.Length) == 0) {
if (localBytes [elementEndIdx] == (byte)'<' && localBytes [elementEndIdx + 8] == (byte)'[' && localBytes [elementEndIdx + 1] == (byte)'!' && localBytes [elementEndIdx + 2] == (byte)'[' && localBytes [elementEndIdx + 3] == (byte)'C' && localBytes [elementEndIdx + 4] == (byte)'D' && localBytes [elementEndIdx + 5] == (byte)'A' && localBytes [elementEndIdx + 6] == (byte)'T' && localBytes [elementEndIdx + 7] == (byte)'A')
{
elementEndIdx = strstr3(elementEndIdx, (byte)']', (byte)']', (byte)'>') + 3;
}
else
{
break;
}
}
// check for end of everything
if (elementEndIdx >= localBytesLength)
{
elementEndIdx = localBytesLength - 1;
}
// null terminate element end
localBytes [elementEndIdx] = 0;
// null terminate element start so previous element text doesnt overrun
localBytes [elementStartIdx] = 0;
// get element name start
long elementNameStartIdx = elementStartIdx + 1;
// ignore tags that start with ? or ! unless cdata "<![CDATA"
if (localBytes [elementNameStartIdx] == (byte)'?' || (localBytes [elementNameStartIdx] == (byte)'!' && isCDATA != 0))
{
elementStartIdx = elementEndIdx + 1;
continue;
}
// ignore attributes/text if this is a closing element
if (localBytes [elementNameStartIdx] == (byte)'/')
{
elementStartIdx = elementEndIdx + 1;
// end of an element
TBXMLElement closeElement = elementStack.Pop();
onEndElement(closeElement);
closeElement.attributes.Clear();
freeElementList.Push(closeElement);
if (elementStack.Count > 0)
{
TBXMLElement parentElement = elementStack.Peek();
if (parentElement.textIdx > 0)
{
// trim whitespace from start of text
while (isspace(localBytes [parentElement.textIdx]))
{
parentElement.textIdx++;
}
// trim whitespace from end of text
long endIdx = parentElement.textIdx + strlen(parentElement.textIdx) - 1;
while (endIdx > parentElement.textIdx && isspace(localBytes [endIdx]))
{
localBytes [endIdx] = 0;
endIdx--;
}
}
/*
* parentElement = parentXMLElement.parentElement;
*
* // if parent element has children clear text
* if (parentXMLElement != null && parentXMLElement.firstChild != null)
* parentXMLElement.textIdx = 0;
*/
}
continue;
}
// is this element opening and closing
bool selfClosingElement = (localBytes [elementEndIdx - 1] == '/');
// create new xmlElement struct
TBXMLElement xmlElement = null;
if (freeElementList.Count > 0)
{
xmlElement = freeElementList.Pop();
}
else
{
xmlElement = new TBXMLElement();
xmlElement.tbxml = this;
}
elementStack.Push(xmlElement);
// set element name
xmlElement.nameIdx = elementNameStartIdx;
// in the following xml the ">" is replaced with \0 by elementEnd.
// element may contain no atributes and would return null while looking for element name end
// <tile>
// find end of element name
long elementNameEndIdx = strpbrk3(xmlElement.nameIdx, (byte)' ', (byte)'/', (byte)'\n');
// if end was found check for attributes
if (elementNameEndIdx < localBytesLength)
{
// null terminate end of elemenet name
localBytes [elementNameEndIdx] = 0;
long chrIdx = elementNameEndIdx;
long nameIdx = 0;
long valueIdx = 0;
long CDATAStartIdx = 0;
long CDATAEndIdx = 0;
bool singleQuote = false;
int mode = TBXML_ATTRIBUTE_NAME_START;
// loop through all characters within element
byte localChrByte;
while (chrIdx++ < elementEndIdx)
{
localChrByte = localBytes [chrIdx];
switch (mode)
{
// look for start of attribute name
case TBXML_ATTRIBUTE_NAME_START:
if (localChrByte == ' ' || localChrByte == '\t' || localChrByte == '\n' || localChrByte == '\r' || localChrByte == '\v' || localChrByte == '\f')
{
continue;
}
nameIdx = chrIdx;
mode = TBXML_ATTRIBUTE_NAME_END;
break;
// look for end of attribute name
case TBXML_ATTRIBUTE_NAME_END:
if (localChrByte == ' ' || localChrByte == '\t' || localChrByte == '\n' || localChrByte == '\r' || localChrByte == '\v' || localChrByte == '\f' || localChrByte == '=')
{
localBytes [chrIdx] = 0;
mode = TBXML_ATTRIBUTE_VALUE_START;
}
break;
// look for start of attribute value
case TBXML_ATTRIBUTE_VALUE_START:
if (localChrByte == ' ' || localChrByte == '\t' || localChrByte == '\n' || localChrByte == '\r' || localChrByte == '\v' || localChrByte == '\f')
{
continue;
}
if (localChrByte == '"' || localChrByte == '\'')
{
valueIdx = chrIdx + 1;
mode = TBXML_ATTRIBUTE_VALUE_END;
if (localChrByte == '\'')
{
singleQuote = true;
}
else
{
singleQuote = false;
}
}
break;
// look for end of attribute value
case TBXML_ATTRIBUTE_VALUE_END:
if (localChrByte == (byte)'<' && localBytes [chrIdx + 8] == (byte)'[' && localBytes [chrIdx + 1] == (byte)'!' && localBytes [chrIdx + 2] == (byte)'[' && localBytes [chrIdx + 3] == (byte)'C' && localBytes [chrIdx + 4] == (byte)'D' && localBytes [chrIdx + 5] == (byte)'A' && localBytes [chrIdx + 6] == (byte)'T' && localBytes [chrIdx + 7] == (byte)'A')
{
mode = TBXML_ATTRIBUTE_CDATA_END;
}
else if ((localChrByte == '"' && singleQuote == false) || (localChrByte == '\'' && singleQuote == true))
{
localBytes [chrIdx] = 0;
// remove cdata section tags
while ((CDATAStartIdx = strstr9(valueIdx, (byte)'<', (byte)'!', (byte)'[', (byte)'C', (byte)'D', (byte)'A', (byte)'T', (byte)'A', (byte)'[')) < localBytesLength)
{
// remove begin cdata tag
memcpy(CDATAStartIdx, CDATAStartIdx + 9, strlen(CDATAStartIdx) - 8);
// search for end cdata
CDATAEndIdx = strstr3(CDATAStartIdx, (byte)']', (byte)']', (byte)'>');
// remove end cdata tag
memcpy(CDATAEndIdx, CDATAEndIdx + 3, strlen(CDATAEndIdx) - 2);
}
// create new attribute
xmlAttribute.nameIdx = nameIdx;
xmlAttribute.valueIdx = valueIdx;
xmlElement.attributes.Add(xmlAttribute);
// clear name and value pointers
nameIdx = 0;
valueIdx = 0;
// start looking for next attribute
mode = TBXML_ATTRIBUTE_NAME_START;
}
break;
// look for end of cdata
case TBXML_ATTRIBUTE_CDATA_END:
if (localChrByte == ']')
{
if (localChrByte == (byte)']' && localBytes [chrIdx + 1] == (byte)']' && localBytes [chrIdx + 2] == (byte)'>')
{
mode = TBXML_ATTRIBUTE_VALUE_END;
}
}
break;
default:
break;
}
}
}
// if tag is not self closing, set parent to current element
if (!selfClosingElement)
{
// set text on element to element end+1
if (localBytes [elementEndIdx + 1] != '>')
{
xmlElement.textIdx = elementEndIdx + 1;
}
}
onStartElement(elementStack.Peek());
if (selfClosingElement)
{
TBXMLElement closeElement = elementStack.Pop();
onEndElement(closeElement);
closeElement.attributes.Clear();
freeElementList.Push(closeElement);
}
// start looking for next element after end of current element
elementStartIdx = elementEndIdx + 1;
}
while (elementStack.Count > 0)
{
onEndElement(elementStack.Pop());
}
}
