public bool MoveLeft()
{
leftChar = null;
bool result = position > 0;
rightChar = '\0';
if (result)
{
LineBlock block = blocks[blockI];
Line line = block.array[blockILine];
if (iChar == 0)
{
if (blockILine == 0)
{
blockI--;
block = blocks[blockI];
blockILine = block.count - 1;
}
else
{
blockILine--;
}
line = block.array[blockILine];
iChar = line.charsCount - 1;
}
else
{
iChar--;
}
rightChar = line.chars[iChar].c;
position--;
}
return(result);
}
override public bool Init()
{
bool allow = false;
for (int i = 0; i < lines.blocksCount && !allow; i++)
{
LineBlock block = lines.blocks[i];
for (int j = 0; j < block.count; j++)
{
if (block.array[j].GetRN() != lines.lineBreak)
{
allow = true;
break;
}
}
}
if (!allow)
{
return(false);
}
linesLineBreak = lines.lineBreak;
mementos = GetSelectionMementos();
return(true);
}
public bool MoveRight()
{
bool result = position < charsCount;
if (result)
{
leftChar = rightChar;
rightChar = '\0';
LineBlock block = blocks[blockI];
Line line = block.array[blockILine];
if (iChar == line.charsCount - 1)
{
if (blockILine == block.count - 1)
{
if (blockI >= blocksCount - 1)
{
rightChar = '\0';
iChar++;
position++;
return(true);
}
blockI++;
block = blocks[blockI];
blockILine = 0;
}
else
{
blockILine++;
}
line = block.array[blockILine];
iChar = 0;
rightChar = line.charsCount > 0 ? line.chars[iChar].c : '\0';
}
else
{
iChar++;
rightChar = line.chars[iChar].c;
}
position++;
}
else
{
rightChar = '\0';
}
return(result);
}
public int GetWWILine(int iLine)
{
int blockI = lines.GetBlockIndex(iLine);
if (blockI == -1)
{
return(-1);
}
LineBlock block = lines.blocks[blockI];
int iInBlock = iLine - block.offset;
int wwOffset = block.wwOffset;
for (int i = 0; i < iInBlock; i++)
{
wwOffset += block.array[i].cutOffs.count + 1;
}
return(wwOffset);
}
public int GetLeftCharsCount(char c)
{
int count = 0;
if (position > 0)
{
LineBlock block = blocks[blockI];
Line line = block.array[blockILine];
for (int iChar = this.iChar; iChar-- > 0;)
{
if (line.chars[iChar].c != c)
{
break;
}
++count;
}
}
return(count);
}
public void Validate(int wwSizeX)
{
if (wwSizeX < 1)
{
wwSizeX = 1;
}
if (lines.wwSizeX != wwSizeX)
{
lines.wwSizeX = wwSizeX;
for (int i = 0; i < lines.blocksCount; i++)
{
LineBlock block = lines.blocks[i];
if (block.wwSizeX != wwSizeX)
{
int blockSizeY = 0;
block.wwSizeX = wwSizeX;
for (int j = 0; j < block.count; j++)
{
Line line = block.array[j];
if (line.wwSizeX != wwSizeX)
{
line.CalcCutOffs(wwSizeX);
}
blockSizeY += line.cutOffs.count + 1;
}
block.wwSizeY = blockSizeY;
}
}
int wwOffset = 0;
for (int i = 0; i < lines.blocksCount; i++)
{
LineBlock block = lines.blocks[i];
block.wwOffset = wwOffset;
wwOffset += block.wwSizeY;
}
lines.wwSizeY = wwOffset;
}
}
public bool MoveNext()
{
bool result;
if (direct)
{
result = index < endIndex;
if (result)
{
LineBlock block = lines.blocks[blockI];
if (index - block.offset >= block.count)
{
blockI++;
block = lines.blocks[blockI];
}
current = block.array[index - block.offset];
index++;
}
}
else
{
result = index > endIndex;
if (result)
{
LineBlock block = lines.blocks[blockI];
if (index - block.offset < 0)
{
blockI--;
block = lines.blocks[blockI];
}
current = block.array[index - block.offset];
index--;
}
}
return(result);
}
public bool Parse(LineArray lines, int maxMilliseconds)
{
#if HIGHLIGHTER_DEBUG
if (_debugStopwatch == null)
{
_debugStopwatch = new System.Diagnostics.Stopwatch();
_debugStopwatch.Start();
Console.WriteLine("HIGHLIGHTER START");
}
#endif
DateTime startTime = DateTime.Now;
int changesBeforeTimeCheck = 0;
bool timeElapsed = false;
bool changed = false;
stack = new PredictableList <Rules.Context>(8);
stack.Add(contexts[0]);
Rules.Context[] state = stack.ToArray();
bool needSetStack = false;
bool lastLineChanged = false;
for (int i = 0; i < lines.blocksCount; i++)
{
LineBlock block = lines.blocks[i];
if (timeElapsed && lastLineChanged)
{
while (block.count == 0)
{
i++;
if (i >= lines.blocksCount)
{
block = null;
break;
}
block = lines.blocks[i];
}
if (block != null)
{
block.valid &= ~LineBlock.ColorValid;
Line line = block.array[0];
line.startState = state;
line.endState = null;
}
stack = null;
return(changed);
}
{
bool noChangesInBlock = (block.valid & LineBlock.ColorValid) != 0 && !lastLineChanged;
if (noChangesInBlock && block.count > 0)
{
Rules.Context[] nextState = block.array[block.count - 1].endState;
if (nextState == null)
{
noChangesInBlock = false;
}
else
{
state = nextState;
}
}
if (noChangesInBlock)
{
needSetStack = true;
continue;
}
}
block.valid |= LineBlock.ColorValid;
for (int j = 0; j < block.count; j++)
{
Line line = block.array[j];
if (AreEquals(line.startState, state) && line.endState != null)
{
state = line.endState;
needSetStack = true;
lastLineChanged = false;
continue;
}
if (needSetStack)
{
needSetStack = false;
stack.Resize(state.Length);
Array.Copy(state, stack.buffer, stack.count);
}
line.startState = state;
string text = line.Text;
Array.Clear(awakePositions, 0, awakePositions.Length);
int position = 0;
int count = line.charsCount;
Rules.Rule lastMatched = null;
while (position < count)
{
Rules.Context context = stack.count > 0 ? stack.Peek() : contexts[0];
lastMatched = null;
foreach (Rules.Rule rule in context.childs)
{
int nextPosition;
if ((rule.column == -1 || position == rule.column) && rule.Match(text, position, out nextPosition))
{
if (!rule.lookAhead)
{
for (; position < nextPosition; position++)
{
line.chars[position].style = rule.attribute.index;
}
}
if (rule.childs != null && position < count)
{
foreach (Rules.Rule childRule in rule.childs)
{
int childNextPosition;
if (childRule.Match(text, nextPosition, out childNextPosition))
{
for (; position < childNextPosition; position++)
{
line.chars[position].style = childRule.attribute.index;
}
Switch(rule.context);
}
}
}
Switch(rule.context);
lastMatched = rule;
break;
}
}
if (lastMatched == null)
{
if (context.fallthrough)
{
Switch(context.fallthroughContext);
}
else
{
line.chars[position].style = context.attribute.index;
position++;
}
}
}
if (lastMatched == null || !lastMatched.isLineContinue)
{
while (stack.count > 0)
{
Rules.Context contextI = stack.Peek();
if (contextI.lineEndContext.next == null && contextI.lineEndContext.pops == 0)
{
break;
}
Switch(contextI.lineEndContext);
}
}
if (AreEquals(stack, state))
{
line.endState = state;
}
else
{
state = stack.ToArray();
line.endState = state;
}
changesBeforeTimeCheck++;
lastLineChanged = true;
changed = true;
}
if (changesBeforeTimeCheck > 50)
{
changesBeforeTimeCheck = 0;
DateTime nextTime = DateTime.Now;
timeElapsed = (nextTime - startTime).TotalMilliseconds > maxMilliseconds;
if (timeElapsed)
{
startTime = nextTime;
}
}
}
stack = null;
lastParsingChanged = changed;
if (!changed && lines.ranges != null)
{
foreach (StyleRange range in lines.ranges)
{
lines.SetStyleRange(range);
}
}
#if HIGHLIGHTER_DEBUG
if (!changed)
{
_debugStopwatch.Stop();
Console.WriteLine("HIGHLIGHTER TIME: " + (_debugStopwatch.Elapsed.TotalMilliseconds / 1000).ToString("0.00"));
}
#endif
return(changed);
}
public void SwapCurrent(bool withPrev)
{
LineBlock block = lines.blocks[blockI];
int index = (direct ? this.index - 1 : this.index + 1) - block.offset;
Line line;
if (withPrev)
{
if (index - 1 < 0)
{
LineBlock prevBlock = lines.blocks[blockI - 1];
line = prevBlock.array[prevBlock.count - 1];
prevBlock.array[prevBlock.count - 1] = current;
block.array[index] = line;
prevBlock.valid = 0;
prevBlock.wwSizeX = 0;
}
else
{
line = block.array[index - 1];
block.array[index - 1] = current;
block.array[index] = line;
}
}
else
{
if (index + 1 > block.count - 1)
{
LineBlock nextBlock = lines.blocks[blockI + 1];
line = nextBlock.array[0];
nextBlock.array[0] = current;
block.array[index] = line;
nextBlock.valid = 0;
nextBlock.wwSizeX = 0;
}
else
{
line = block.array[index + 1];
block.array[index + 1] = current;
block.array[index] = line;
}
}
if (blockI == lines.blocksCount - 1 && (withPrev ? index : index + 1) == block.count - 1)
{
Line line0;
Line line1;
if (withPrev)
{
line0 = line;
line1 = current;
}
else
{
line0 = current;
line1 = line;
}
string rn = line0.RemoveRN();
for (int i = 0; i < rn.Length; i++)
{
line1.Chars_Add(new Char(rn[i]));
}
line0.cachedText = null;
line0.cachedSize = -1;
line0.wwSizeX = 0;
line1.cachedText = null;
line1.cachedSize = -1;
line1.wwSizeX = 0;
}
current.endState = null;
line.endState = null;
block.valid = 0;
block.wwSizeX = 0;
lines.ResetTextCache();
}