/// <summary>
/// Returns a <see cref="StyleRun" /> enumerable representing the individual character styling of the annotation text.
/// </summary>
/// <returns>
/// A <see cref="StyleRun" /> enumerable representing the individual character styling,
/// where the <see cref="StyleRun.Length" /> property of each run represents the number
/// of characters the run spans.
/// </returns>
public virtual IEnumerable <StyleRun> GetStyles()
{
CheckInvalid();
// We need to translate the array Scintilla gives us representing the style of each text
// byte into a list of style runs. Our run lengths, however, are measured in characters,
// not bytes, so we need to also read the annotation text and adjust as necessary when we find
// characters that span more than one byte.
int length = _scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONGETTEXT, new IntPtr(_lineIndex), IntPtr.Zero).ToInt32();
byte[] textBuffer = new byte[length];
byte[] stylesBuffer = new byte[length];
unsafe
{
fixed(byte *bp = textBuffer)
_scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONGETTEXT, new IntPtr(_lineIndex), new IntPtr(bp)).ToInt32();
fixed(byte *bp = stylesBuffer)
_scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONGETSTYLES, new IntPtr(_lineIndex), new IntPtr(bp)).ToInt32();
}
List <StyleRun> styles = new List <StyleRun>();
Decoder decoder = _scintilla.Encoding.GetDecoder();
StyleRun sr = new StyleRun()
{
Style = -1
};
int index = 0;
int count = 1;
while (index < stylesBuffer.Length)
{
if (sr.Style != stylesBuffer[index])
{
// A new style has been encountered. Save the last one
// to the list we're building and start tracking a new one
if (sr.Length > 0)
{
styles.Add(sr);
}
sr = new StyleRun();
sr.Style = stylesBuffer[index];
}
// At the end of this loop, the 'count' variable will tell us
// how many bytes there are for one character.
while (decoder.GetCharCount(textBuffer, index, count) != 1)
{
count++;
}
sr.Length++;
index += count;
count = 1;
}
// Add the last style run
styles.Add(sr);
return(styles.ToArray());
}
/// <summary>
/// Returns a <see cref="StyleRun" /> enumerable representing the individual character styling of the annotation text.
/// </summary>
/// <returns>
/// A <see cref="StyleRun" /> enumerable representing the individual character styling,
/// where the <see cref="StyleRun.Length" /> property of each run represents the number
/// of characters the run spans.
/// </returns>
public virtual IEnumerable<StyleRun> GetStyles()
{
CheckInvalid();
// We need to translate the array Scintilla gives us representing the style of each text
// byte into a list of style runs. Our run lengths, however, are measured in characters,
// not bytes, so we need to also read the annotation text and adjust as necessary when we find
// characters that span more than one byte.
int length = _scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONGETTEXT, new IntPtr(_lineIndex), IntPtr.Zero).ToInt32();
byte[] textBuffer = new byte[length];
byte[] stylesBuffer = new byte[length];
unsafe
{
fixed (byte* bp = textBuffer)
_scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONGETTEXT, new IntPtr(_lineIndex), new IntPtr(bp)).ToInt32();
fixed (byte* bp = stylesBuffer)
_scintilla.DirectMessage(NativeMethods.SCI_ANNOTATIONGETSTYLES, new IntPtr(_lineIndex), new IntPtr(bp)).ToInt32();
}
List<StyleRun> styles = new List<StyleRun>();
Decoder decoder = _scintilla.Encoding.GetDecoder();
StyleRun sr = new StyleRun() { Style = -1 };
int index = 0;
int count = 1;
while (index < stylesBuffer.Length)
{
if (sr.Style != stylesBuffer[index])
{
// A new style has been encountered. Save the last one
// to the list we're building and start tracking a new one
if (sr.Length > 0)
styles.Add(sr);
sr = new StyleRun();
sr.Style = stylesBuffer[index];
}
// At the end of this loop, the 'count' variable will tell us
// how many bytes there are for one character.
while (decoder.GetCharCount(textBuffer, index, count) != 1)
count++;
sr.Length++;
index += count;
count = 1;
}
// Add the last style run
styles.Add(sr);
return styles.ToArray();
}