public void SearchFindPrevious(string sTextPtn, bool searchUseRegex)
{
//AzukiのAnnの検索処理を利用
Sgry.Azuki.Document azdoc = azukiControl.Document;
int startIndex;
TextSegment result;
Regex regex;
int s, e;
azdoc.GetSelection(out s, out e);
searchAnchorIndex = s - 1;
// determine where to start text search
if (0 <= searchAnchorIndex)
{
startIndex = searchAnchorIndex;
}
else
{
startIndex = Math.Min(azdoc.CaretIndex, azdoc.AnchorIndex);
}
// find
if (searchUseRegex)
{
// Regular expression search.
// get regex object from context
regex = searchRegex;
if (regex == null)
{
// current text pattern was invalid as a regular expression.
return;
}
// ensure that "RightToLeft" option of the regex object is set
RegexOptions opt = searchRegex.Options;
if ((opt & RegexOptions.RightToLeft) == 0)
{
opt |= RegexOptions.RightToLeft;
searchRegex = new Regex(searchRegex.ToString(), opt);
}
result = azdoc.FindPrev(searchRegex, 0, startIndex);
}
else
{
// normal text pattern matching.
result = azdoc.FindPrev(sTextPtn, 0, startIndex, searchMatchCase);
}
// select the result
if (result != null)
{
azukiControl.Document.SetSelection(result.End, result.Begin);
azukiControl.View.SetDesiredColumn();
azukiControl.ScrollToCaret();
}
else
{
MessageBox.Show("見つかりません");
}
}
public bool SearchFindPrevious(string sTextPtn, bool searchUseRegex)
{
//AzukiのAnnの検索処理を利用
Sgry.Azuki.Document azdoc = ac.Document;
int startIndex;
TextSegment result;
Regex regex;
if (searchAnchorIndex == -1)
{
searchAnchorIndex = select.Begin;
}
else
{
ac.GetSelection(out int st, out int ed);
searchAnchorIndex = st - 1;
}
// determine where to start text search
if (0 <= searchAnchorIndex)
{
startIndex = searchAnchorIndex;
}
else
{
startIndex = Math.Min(azdoc.CaretIndex, azdoc.AnchorIndex);
}
// find
if (searchUseRegex)
{
// Regular expression search.
// get regex object from context
regex = searchRegex;
if (regex == null)
{
return(false);
}
// ensure that "RightToLeft" option of the regex object is set
RegexOptions opt = searchRegex.Options;
if ((opt & RegexOptions.RightToLeft) == 0)
{
opt |= RegexOptions.RightToLeft;
searchRegex = new Regex(searchRegex.ToString(), opt);
}
result = azdoc.FindPrev(searchRegex, 0, startIndex);
}
else
{
// normal text pattern matching.
result = azdoc.FindPrev(sTextPtn, 0, startIndex, searchMatchCase);
}
// select the result
if (result == null)
{
return(false);
}
if (select.Begin != select.End && result.End <= select.Begin)
{
return(false);
}
ac.Document.SetSelection(result.Begin, result.End);
ac.View.SetDesiredColumn();
ac.ScrollToCaret();
searchAnchorIndex = result.Begin;
return(true);
}