/// <summary>
/// Analyzes the text using each of the analyzers and returns
/// their results as a series of runs.
/// </summary>
public void GenerateResults(TextAnalyzer textAnalyzer, out Run[] runs, out LineBreakpoint[] breakpoints)
{
// Initially start out with one result that covers the entire range.
// This result will be subdivided by the analysis processes.
LinkedRun initialRun = new LinkedRun()
{
nextRunIndex = 0,
textStart = 0,
textLength = text_.Length,
bidiLevel = (readingDirection_ == ReadingDirection.RightToLeft) ? 1 : 0
};
runs_ = new List<LinkedRun>();
runs_.Add(initialRun);
breakpoints_ = new List<LineBreakpoint>();
textAnalyzer.AnalyzeLineBreakpoints(this, 0, text_.Length, this);
textAnalyzer.AnalyzeBidi(this, 0, text_.Length, this);
textAnalyzer.AnalyzeScript(this, 0, text_.Length, this);
textAnalyzer.AnalyzeNumberSubstitution(this, 0, text_.Length, this);
//Call each of the analyzers in sequence, recording their results.
breakpoints = new LineBreakpoint[breakpoints_.Count];
breakpoints_.CopyTo(breakpoints);
// Resequence the resulting runs in order before returning to caller.
runs = new Run[runs_.Count];
int nextRunIndex = 0;
for (int i = 0; i < runs_.Count; i++)
{
runs[i] = runs_[nextRunIndex].AsRun;
nextRunIndex = runs_[nextRunIndex].nextRunIndex;
}
}
private void SplitCurrentRun(int splitPosition)
{
// Splits the current run and adjusts the run values accordingly.
int runTextStart = runs_[currentRunIndex_].textStart;
if (splitPosition <= runTextStart)
{
return; // no change
}
LinkedRun frontHalf = runs_[currentRunIndex_];
LinkedRun backHalf = frontHalf;
// Adjust runs' text positions and lengths.
int splitPoint = splitPosition - runTextStart;
backHalf.textStart += splitPoint;
backHalf.textLength -= splitPoint;
runs_.Add(backHalf);
frontHalf.textLength = splitPoint;
frontHalf.nextRunIndex = runs_.Count - 1;
runs_[currentRunIndex_] = frontHalf;
currentRunIndex_ = runs_.Count - 1;
}
/// <summary>
/// Analyzes the text using each of the analyzers and returns
/// their results as a series of runs.
/// </summary>
public void GenerateResults(TextAnalyzer textAnalyzer, out Run[] runs, out LineBreakpoint[] breakpoints)
{
// Initially start out with one result that covers the entire range.
// This result will be subdivided by the analysis processes.
LinkedRun initialRun = new LinkedRun()
{
nextRunIndex = 0,
textStart = 0,
textLength = text_.Length,
bidiLevel = (readingDirection_ == ReadingDirection.RightToLeft) ? 1 : 0
};
runs_ = new List <LinkedRun>();
runs_.Add(initialRun);
breakpoints_ = new List <LineBreakpoint>();
textAnalyzer.AnalyzeLineBreakpoints(this, 0, text_.Length, this);
textAnalyzer.AnalyzeBidi(this, 0, text_.Length, this);
textAnalyzer.AnalyzeScript(this, 0, text_.Length, this);
textAnalyzer.AnalyzeNumberSubstitution(this, 0, text_.Length, this);
//Call each of the analyzers in sequence, recording their results.
breakpoints = new LineBreakpoint[breakpoints_.Count];
breakpoints_.CopyTo(breakpoints);
// Resequence the resulting runs in order before returning to caller.
runs = new Run[runs_.Count];
int nextRunIndex = 0;
for (int i = 0; i < runs_.Count; i++)
{
runs[i] = runs_[nextRunIndex].AsRun;
nextRunIndex = runs_[nextRunIndex].nextRunIndex;
}
}
public void SetNumberSubstitution(int textPosition, int textLength, NumberSubstitution numberSubstitution)
{
SetCurrentRun(textPosition);
SplitCurrentRun(textPosition);
while (textLength > 0)
{
int nextRunIndex = FetchNextRunIndex(ref textLength);
LinkedRun run = runs_[nextRunIndex];
run.isNumberSubstituted = (numberSubstitution != null);
runs_[nextRunIndex] = run;
}
}
public void SetBidiLevel(int textPosition, int textLength, byte explicitLevel, byte resolvedLevel)
{
SetCurrentRun(textPosition);
SplitCurrentRun(textPosition);
while (textLength > 0)
{
int nextRunIndex = FetchNextRunIndex(ref textLength);
LinkedRun run = runs_[nextRunIndex];
run.bidiLevel = resolvedLevel;
runs_[nextRunIndex] = run;
}
}
public void SetScriptAnalysis(int textPosition, int textLength, ScriptAnalysis scriptAnalysis)
{
SetCurrentRun(textPosition);
SplitCurrentRun(textPosition);
while (textLength > 0)
{
int nextRunIndex = FetchNextRunIndex(ref textLength);
LinkedRun run = runs_[nextRunIndex];
run.script = scriptAnalysis;
runs_[nextRunIndex] = run;
}
}
