public virtual int IncrementCounter(int i, NodeReader reader, int state, Tag tag)
{
string nextLine = null;
if ((state == TAG_BEGIN_PARSING_STATE || state == TAG_IGNORE_DATA_STATE ||
state == TAG_IGNORE_BEGIN_TAG_STATE) && i == tag.TagLine.Length - 1)
{
// The while loop below is a bug fix contributed by
// Annette Doyle - see testcase HTMLImageScannerTest.testImageTagOnMultipleLines()
// Further modified by Somik Raha, to remove bug - HTMLTagTest.testBrokenTag
int numLinesAdvanced = 0;
do
{
nextLine = reader.GetNextLine();
numLinesAdvanced++;
} while (nextLine != null && nextLine.Length == 0);
if (nextLine == null)
{
// This means we have a broken tag. Fill in an end tag symbol here.
nextLine = ">";
}
else
{
// This means this is just a new line, hence add the new line character
tag.Append(Parser.LineSeparator);
}
// Ensure blank lines are included in tag's 'tagLines'
while (--numLinesAdvanced > 0)
{
tag.TagLine = "";
}
// We need to continue parsing to the next line
tag.TagLine = nextLine;
i = -1;
}
return(++i);
}
/// <summary> Locate the StringNode within the input string, by parsing from the given position
/// </summary>
/// <param name="reader">HTML reader to be provided so as to allow reading of next line
/// </param>
/// <param name="input">Input String
/// </param>
/// <param name="position">Position to start parsing from
/// </param>
/// <param name="balance_quotes">If <code>true</code> enter ignoring state on
/// encountering quotes.
///
/// </param>
public virtual Node Find(NodeReader reader, string input, int position, bool balance_quotes)
{
StringBuilder textBuffer = new StringBuilder();
int state = BEFORE_PARSE_BEGINS_STATE;
int textBegin = position;
int textEnd = position;
int inputLen = input.Length;
char ch;
char ignore_ender = '\"';
for (int i = position; (i < inputLen && state != PARSE_COMPLETED_STATE); i++)
{
ch = input[i];
if (ch == '<' && state != PARSE_IGNORE_STATE)
{
if (BeginTag(input, i))
{
state = PARSE_COMPLETED_STATE;
textEnd = i - 1;
}
}
if (balance_quotes && (ch == '\'' || ch == '"'))
{
if (state == PARSE_IGNORE_STATE)
{
if (ch == ignore_ender)
{
state = PARSE_HAS_BEGUN_STATE;
}
}
else
{
ignore_ender = ch;
state = PARSE_IGNORE_STATE;
}
}
if (state == BEFORE_PARSE_BEGINS_STATE)
{
state = PARSE_HAS_BEGUN_STATE;
}
if (state == PARSE_HAS_BEGUN_STATE || state == PARSE_IGNORE_STATE)
{
textBuffer.Append(input[i]);
}
// Patch by Cedric Rosa
if (state == BEFORE_PARSE_BEGINS_STATE && i == inputLen - 1)
{
state = PARSE_HAS_BEGUN_STATE;
}
if (state == PARSE_HAS_BEGUN_STATE && i == inputLen - 1)
{
do
{
input = reader.GetNextLine();
if (input != null && input.Length == 0)
{
textBuffer.Append(Parser.LineSeparator);
}
} while (input != null && input.Length == 0);
if (input == null)
{
textEnd = i;
state = PARSE_COMPLETED_STATE;
}
else
{
textBuffer.Append(Parser.LineSeparator);
inputLen = input.Length;
i = -1;
}
}
}
return(StringNode.CreateStringNode(textBuffer, textBegin, textEnd, reader.Parser.ShouldDecodeNodes));
}