internal static String ConvertIdToHexString(String stringId)
{
StringBuilder stb = new StringBuilder();
char[] stringSymbols = stringId.ToCharArray();
foreach (char ch in stringSymbols)
{
stb.Append(JavaUtil.IntegerToHexString((int)ch).ToUpperInvariant());
}
return(stb.ToString());
}
// empty, no checks
/// <summary>Checks options before they are set.</summary>
/// <remarks>
/// Checks options before they are set.
/// First it is checked if only defined options are used,
/// second the additional
/// <see cref="AssertConsistency(int)"/>
/// -method is called.
/// </remarks>
/// <param name="options">the options to check</param>
private void AssertOptionsValid(int options)
{
int invalidOptions = options & ~GetValidOptions();
if (invalidOptions == 0)
{
AssertConsistency(options);
}
else
{
throw new XMPException("The option bit(s) 0x" + JavaUtil.IntegerToHexString(invalidOptions) + " are invalid!"
, XMPError.BADOPTIONS);
}
}
// this method is ugly, and does a lot. but other breakups cause rescanning and stringbuilder generations
internal static void Escape(StringBuilder accum, String str, OutputSettings outputSettings, bool inAttribute
, bool normaliseWhite, bool stripLeadingWhite)
{
bool lastWasWhite = false;
bool reachedNonWhite = false;
Entities.EscapeMode escapeMode = outputSettings.EscapeMode();
System.Text.Encoding encoder = outputSettings.Charset();
Entities.CoreCharset coreCharset = GetCoreCharsetByName(outputSettings.Charset().Name());
IDictionary <char, String> map = escapeMode.GetMap();
int length = str.Length;
int codePoint;
for (int offset = 0; offset < length; offset += iText.IO.Util.TextUtil.CharCount(codePoint))
{
codePoint = str.CodePointAt(offset);
if (normaliseWhite)
{
if (iText.StyledXmlParser.Jsoup.Helper.StringUtil.IsWhitespace(codePoint))
{
if ((stripLeadingWhite && !reachedNonWhite) || lastWasWhite)
{
continue;
}
accum.Append(' ');
lastWasWhite = true;
continue;
}
else
{
lastWasWhite = false;
reachedNonWhite = true;
}
}
// surrogate pairs, split implementation for efficiency on single char common case (saves creating strings, char[]):
if (codePoint < iText.IO.Util.TextUtil.CHARACTER_MIN_SUPPLEMENTARY_CODE_POINT)
{
char c = (char)codePoint;
// html specific and required escapes:
switch (c)
{
case '&': {
accum.Append("&");
break;
}
case (char)0xA0: {
if (escapeMode != Entities.EscapeMode.xhtml)
{
accum.Append(" ");
}
else
{
accum.Append(" ");
}
break;
}
case '<': {
// escape when in character data or when in a xml attribue val; not needed in html attr val
if (!inAttribute || escapeMode == Entities.EscapeMode.xhtml)
{
accum.Append("<");
}
else
{
accum.Append(c);
}
break;
}
case '>': {
if (!inAttribute)
{
accum.Append(">");
}
else
{
accum.Append(c);
}
break;
}
case '"': {
if (inAttribute)
{
accum.Append(""");
}
else
{
accum.Append(c);
}
break;
}
default: {
if (CanEncode(coreCharset, c, encoder))
{
accum.Append(c);
}
else
{
if (map.ContainsKey(c))
{
accum.Append('&').Append(map.Get(c)).Append(';');
}
else
{
accum.Append("&#x").Append(JavaUtil.IntegerToHexString(codePoint)).Append(';');
}
}
break;
}
}
}
else
{
String c = new String(iText.IO.Util.TextUtil.ToChars(codePoint));
if (encoder.CanEncode(c))
{
// uses fallback encoder for simplicity
accum.Append(c);
}
else
{
accum.Append("&#x").Append(JavaUtil.IntegerToHexString(codePoint)).Append(';');
}
}
}
}
public virtual void Dump(StreamWriter output)
{
int i;
for (i = 258; i < numStrings_; ++i)
{
output.WriteLine(" strNxt_[" + i + "] = " + strNxt_[i] + " strChr_ " + JavaUtil.IntegerToHexString(strChr_
[i] & 0xFF) + " strLen_ " + JavaUtil.IntegerToHexString(strLen_[i]));
}
}
/// <returns>Returns the options as hex bitmask.</returns>
public override String ToString()
{
return("0x" + JavaUtil.IntegerToHexString(options));
}
private static String ToHex4(int n)
{
String s = "0000" + JavaUtil.IntegerToHexString(n);
return(s.Substring(s.Length - 4));
}
private static String ToHex(int ch)
{
String s = "0000" + JavaUtil.IntegerToHexString(ch);
return(s.Substring(Math.Min(4, s.Length - 4)));
}
/// <summary>Serializes the node value in XML encoding.</summary>
/// <remarks>
/// Serializes the node value in XML encoding. Its used for tag bodies and
/// attributes.<br />
/// <em>Note:</em> The attribute is always limited by quotes,
/// thats why <code>&apos;</code> is never serialized.<br />
/// <em>Note:</em> Control chars are written unescaped, but if the user uses others than tab, LF
/// and CR the resulting XML will become invalid.
/// </remarks>
/// <param name="value">a string</param>
/// <param name="forAttribute">flag if string is attribute value (need to additional escape quotes)</param>
/// <param name="escapeWhitespaces">Decides if LF, CR and TAB are escaped.</param>
/// <returns>Returns the value ready for XML output.</returns>
public static String EscapeXML(String value, bool forAttribute, bool escapeWhitespaces)
{
// quick check if character are contained that need special treatment
bool needsEscaping = false;
for (int i = 0; i < value.Length; i++)
{
char c = value[i];
if (c == '<' || c == '>' || c == '&' || (escapeWhitespaces && (c == '\t' || c == '\n' || c == '\r')) || (forAttribute &&
c == '"'))
{
// XML chars
needsEscaping = true;
break;
}
}
if (!needsEscaping)
{
// fast path
return(value);
}
else
{
// slow path with escaping
StringBuilder buffer = new StringBuilder(value.Length * 4 / 3);
for (int i = 0; i < value.Length; i++)
{
char c = value[i];
if (!(escapeWhitespaces && (c == '\t' || c == '\n' || c == '\r')))
{
switch (c)
{
case '<': {
// we do what "Canonical XML" expects
// AUDIT: ' not serialized as only outer qoutes are used
buffer.Append("<");
continue;
}
case '>': {
buffer.Append(">");
continue;
}
case '&': {
buffer.Append("&");
continue;
}
case '"': {
buffer.Append(forAttribute ? """ : "\"");
continue;
}
default: {
buffer.Append(c);
continue;
}
}
}
else
{
// write control chars escaped,
// if there are others than tab, LF and CR the xml will become invalid.
buffer.Append("&#x");
buffer.Append(JavaUtil.IntegerToHexString(c).ToUpperInvariant());
buffer.Append(';');
}
}
return(buffer.ToString());
}
}
private static String ConvertColorFloatToHex(float colorFloat)
{
String result = "0" + JavaUtil.IntegerToHexString(((int)(colorFloat * 255 + 0.5))).ToUpperInvariant();
return(result.Substring(result.Length - 2));
}
