本文整理汇总了C#中IDocument.GetCharAt方法的典型用法代码示例。如果您正苦于以下问题:C# IDocument.GetCharAt方法的具体用法?C# IDocument.GetCharAt怎么用?C# IDocument.GetCharAt使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IDocument
的用法示例。
在下文中一共展示了IDocument.GetCharAt方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: GenerateFoldMarkers
/// <summary>
/// Generates the foldings for our document.
/// </summary>
/// <param name="document">The current document.</param>
/// <param name="fileName">The filename of the document.</param>
/// <param name="parseInformation">Extra parse information, not used in this sample.</param>
/// <returns>A list of FoldMarkers.</returns>
public List<FoldMarker> GenerateFoldMarkers(IDocument document, string fileName, object parseInformation)
{
List<FoldMarker> list = new List<FoldMarker>();
Stack<int> startLines = new Stack<int>();
// Create foldmarkers for the whole document, enumerate through every line.
for (int i = 0; i < document.TotalNumberOfLines; i++)
{
LineSegment seg = document.GetLineSegment(i);
int offs, end = document.TextLength;
char c;
for (offs = seg.Offset; offs < end && ((c = document.GetCharAt(offs)) == ' ' || c == '\t'); offs++)
{ }
if (offs == end)
break;
int spaceCount = offs - seg.Offset;
// now offs points to the first non-whitespace char on the line
if (document.GetCharAt(offs) == '#')
{
string text = document.GetText(offs, seg.Length - spaceCount);
if (text.StartsWith("#region"))
startLines.Push(i);
if (text.StartsWith("#endregion") && startLines.Count > 0)
{
// Add a new FoldMarker to the list.
int start = startLines.Pop();
list.Add(new FoldMarker(document, start, document.GetLineSegment(start).Length, i, spaceCount + "#endregion".Length));
}
}
}
return list;
}
示例2: DoQuickFindForward
int DoQuickFindForward(IDocument document, int offset, char openBracket, char closingBracket)
{
int brackets = 1;
// try "quick find" - find the matching bracket if there is no string/comment in the way
for (int i = offset; i < document.TextLength; ++i) {
char ch = document.GetCharAt(i);
if (ch == openBracket) {
++brackets;
} else if (ch == closingBracket) {
--brackets;
if (brackets == 0) return i;
} else if (ch == '"') {
break;
} else if (ch == '#') {
break;
} else if (ch == '\'') {
break;
} else if (ch == '/' && i > 0) {
if (document.GetCharAt(i - 1) == '/') break;
} else if (ch == '*' && i > 0) {
if (document.GetCharAt(i - 1) == '/') break;
}
}
return -1;
}
示例3: SkipComment
/// <summary>
/// Skips any comments that start at the current offset.
/// </summary>
/// <param name="document">The document.</param>
/// <param name="offset">The offset.</param>
/// <returns>The index of the next character after the comments.</returns>
private static int SkipComment(IDocument document, int offset)
{
if (offset >= document.TextLength - 1)
return offset + 1;
char current = document.GetCharAt(offset);
char next = document.GetCharAt(offset + 1);
if (current == '/' && next == '/')
{
// Skip line comment "//"
LineSegment line = document.GetLineSegmentForOffset(offset);
int offsetOfNextLine = line.Offset + line.TotalLength;
return offsetOfNextLine;
}
else if (current == '/' && next == '*')
{
// Skip block comment "/* ... */"
offset += 2;
while (offset + 1 < document.TextLength)
{
if (document.GetCharAt(offset) == '*' && document.GetCharAt(offset + 1) == '/')
{
offset = offset + 2;
break;
}
offset++;
}
return offset;
}
else
{
return offset + 1;
}
}
示例4: SearchBracketBackward
static int SearchBracketBackward(IDocument document, int offset, char openBracket, char closingBracket)
{
bool inString = false;
char ch;
int brackets = -1;
for (int i = offset; i > 0; --i) {
ch = document.GetCharAt(i);
if (ch == openBracket && !inString) {
++brackets;
if (brackets == 0) return i;
} else if (ch == closingBracket && !inString) {
--brackets;
} else if (ch == '"') {
inString = !inString;
} else if (ch == '\n') {
int lineStart = ScanLineStart(document, i);
if (lineStart >= 0) { // line could have a comment
inString = false;
for (int j = lineStart; j < i; ++j) {
ch = document.GetCharAt(j);
if (ch == '"') inString = !inString;
if (ch == '\'' && !inString) {
// comment found!
// Skip searching in the comment:
i = j;
break;
}
}
}
inString = false;
}
}
return -1;
}
示例5: FindWordEnd
static int FindWordEnd(IDocument document, int offset)
{
LineSegment line = document.GetLineSegmentForOffset(offset);
int endPos = line.Offset + line.Length;
offset = Math.Min(offset, endPos - 1);
if (IsSelectableChar(document.GetCharAt(offset)))
{
while (offset < endPos && IsSelectableChar(document.GetCharAt(offset)))
{
++offset;
}
}
else if (Char.IsWhiteSpace(document.GetCharAt(offset)))
{
if (offset > 0 && Char.IsWhiteSpace(document.GetCharAt(offset - 1)))
{
while (offset < endPos && Char.IsWhiteSpace(document.GetCharAt(offset)))
{
++offset;
}
}
}
else
{
return Math.Max(0, offset + 1);
}
return offset;
}
示例6: GetStartType
/// <summary>
/// Gets the type of code at offset.<br/>
/// 0 = Code,<br/>
/// 1 = Comment,<br/>
/// 2 = String<br/>
/// Block comments and multiline strings are not supported.
/// </summary>
static int GetStartType(IDocument document, int linestart, int offset)
{
bool inString = false;
bool inChar = false;
bool verbatim = false;
int result = 0;
for (int i = linestart; i < offset; i++)
{
switch (document.GetCharAt(i))
{
case '/':
if (!inString && !inChar && i + 1 < document.TextLength)
{
if (document.GetCharAt(i + 1) == '/')
{
result = 1;
}
}
break;
case '"':
if (!inChar)
{
if (inString && verbatim)
{
if (i + 1 < document.TextLength && document.GetCharAt(i + 1) == '"')
{
++i; // skip escaped quote
inString = false; // let the string go on
}
else
{
verbatim = false;
}
}
else if (!inString && i > 0 && document.GetCharAt(i - 1) == '@')
{
verbatim = true;
}
inString = !inString;
}
break;
case '\'':
if (!inString) inChar = !inChar;
break;
case '\\':
if ((inString && !verbatim) || inChar)
++i; // skip next character
break;
}
}
return (inString || inChar) ? 2 : result;
}
示例7: MarkDifference
private static void MarkDifference(IDocument document, ISegment lineRemoved,
ISegment lineAdded, int beginOffset)
{
var lineRemovedEndOffset = lineRemoved.Length;
var lineAddedEndOffset = lineAdded.Length;
var endOffsetMin = Math.Min(lineRemovedEndOffset, lineAddedEndOffset);
var reverseOffset = 0;
while (beginOffset < endOffsetMin)
{
if (!document.GetCharAt(lineAdded.Offset + beginOffset).Equals(
document.GetCharAt(lineRemoved.Offset + beginOffset)))
break;
beginOffset++;
}
while (lineAddedEndOffset > beginOffset && lineRemovedEndOffset > beginOffset)
{
reverseOffset = lineAdded.Length - lineAddedEndOffset;
if (!document.GetCharAt(lineAdded.Offset + lineAdded.Length - 1 - reverseOffset).
Equals(document.GetCharAt(lineRemoved.Offset + lineRemoved.Length - 1 -
reverseOffset)))
break;
lineRemovedEndOffset--;
lineAddedEndOffset--;
}
Color color;
var markerStrategy = document.MarkerStrategy;
if (lineAdded.Length - beginOffset - reverseOffset > 0)
{
color = AppSettings.DiffAddedExtraColor;
markerStrategy.AddMarker(new TextMarker(lineAdded.Offset + beginOffset,
lineAdded.Length - beginOffset - reverseOffset,
TextMarkerType.SolidBlock, color,
ColorHelper.GetForeColorForBackColor(color)));
}
if (lineRemoved.Length - beginOffset - reverseOffset > 0)
{
color = AppSettings.DiffRemovedExtraColor;
markerStrategy.AddMarker(new TextMarker(lineRemoved.Offset + beginOffset,
lineRemoved.Length - beginOffset - reverseOffset,
TextMarkerType.SolidBlock, color,
ColorHelper.GetForeColorForBackColor(color)));
}
}
示例8:
/// <summary>
/// Get the object, which was inserted under the keyword (line, at offset, with length length),
/// returns null, if no such keyword was inserted.
/// </summary>
public object this[IDocument document, LineSegment line, int offset, int length]
{
get
{
if(length == 0)
{
return null;
}
Node next = root;
int wordOffset = line.Offset + offset;
if (casesensitive)
{
for (int i = 0; i < length; ++i)
{
int index = ((int)document.GetCharAt(wordOffset + i)) % 256;
next = next[index];
if (next == null)
{
return null;
}
if (next.color != null && TextUtility.RegionMatches(document, wordOffset, length, next.word))
{
return next.color;
}
}
}
else
{
for (int i = 0; i < length; ++i)
{
int index = ((int)Char.ToUpper(document.GetCharAt(wordOffset + i))) % 256;
next = next[index];
if (next == null)
{
return null;
}
if (next.color != null && TextUtility.RegionMatches(document, casesensitive, wordOffset, length, next.word))
{
return next.color;
}
}
}
return null;
}
}
示例9: DoesLineStartWith
public bool DoesLineStartWith(IDocument document, int lineOffset, string prefixStr)
{
Debug.Assert(prefixStr.Length <= 2 && prefixStr.Length >= 1);
if (prefixStr.Length == 1) return document.GetCharAt(lineOffset) == prefixStr[0];
if (document.TextLength <= lineOffset + 1)
{
return false;
}
var firstChar = document.GetCharAt(lineOffset);
var secondChar = document.GetCharAt(lineOffset + 1);
return firstChar == prefixStr[0] && secondChar == prefixStr[1];
}
示例10: SearchBracket
public BracketSearchResult SearchBracket(IDocument document, int offset)
{
if (offset > 0)
{
char c = document.GetCharAt(offset - 1);
int index = OpeningBrackets.IndexOf(c);
int otherOffset = -1;
if (index > -1)
otherOffset = SearchBracketForward(document, offset, OpeningBrackets[index], ClosingBrackets[index]);
index = ClosingBrackets.IndexOf(c);
if (index > -1)
otherOffset = SearchBracketBackward(document, offset - 2, OpeningBrackets[index], ClosingBrackets[index]);
if (otherOffset > -1)
{
var result = new BracketSearchResult(Math.Min(offset - 1, otherOffset), 1,
Math.Max(offset - 1, otherOffset), 1);
SearchDefinition(document, result);
return result;
}
}
return null;
}
示例11: SearchBracketForward
int SearchBracketForward(IDocument document, int offset, char openBracket, char closingBracket)
{
int brackets = 1;
for(int i = offset; i < document.TextLength; ++i){
char ch = document.GetCharAt(i);
if(ch == openBracket){
++brackets;
}else if(ch == closingBracket){
--brackets;
if (brackets == 0) return i;
}else if(ch == '/' && i > 0){
if (document.GetCharAt(i - 1) == '/') break;
}
}
return -1;
}
示例12: GetHighlight
public BracketHighlight GetHighlight(IDocument document, int offset)
{
int searchOffset;
if (document.TextEditorProperties.BracketMatchingStyle == BracketMatchingStyle.After) {
searchOffset = offset;
} else {
searchOffset = offset + 1;
}
char word = document.GetCharAt(Math.Max(0, Math.Min(document.TextLength - 1, searchOffset)));
TextLocation endP = document.OffsetToPosition(searchOffset);
if (word == opentag) {
if (searchOffset < document.TextLength) {
int bracketOffset = TextUtilities.SearchBracketForward(document, searchOffset + 1, opentag, closingtag);
if (bracketOffset >= 0) {
TextLocation p = document.OffsetToPosition(bracketOffset);
return new BracketHighlight(p, endP);
}
}
} else if (word == closingtag) {
if (searchOffset > 0) {
int bracketOffset = TextUtilities.SearchBracketBackward(document, searchOffset - 1, opentag, closingtag);
if (bracketOffset >= 0) {
TextLocation p = document.OffsetToPosition(bracketOffset);
return new BracketHighlight(p, endP);
}
}
}
return null;
}
示例13: MarkCodeBlocks
/// <summary>
/// Marks all code blocks (namespaces, classes, methods, etc.) in the document.
/// </summary>
/// <param name="document">The document.</param>
/// <param name="foldMarkers">The fold markers.</param>
private void MarkCodeBlocks(IDocument document, List<FoldMarker> foldMarkers)
{
int offset = 0;
while (offset < document.TextLength)
{
switch (document.GetCharAt(offset))
{
case '/':
offset = SkipComment(document, offset);
break;
case 'c':
offset = MarkBlock("class", document, offset, foldMarkers);
break;
case 'e':
offset = MarkBlock("enum", document, offset, foldMarkers);
break;
case 'i':
offset = MarkBlock("interface", document, offset, foldMarkers);
break;
case 'n':
offset = MarkBlock("namespace", document, offset, foldMarkers);
break;
case 's':
offset = MarkBlock("struct", document, offset, foldMarkers);
break;
case '{':
offset = MarkMethod(document, offset, foldMarkers);
break;
default:
offset = TextUtilities.FindWordEnd(document, offset) + 1;
break;
}
}
}
示例14: GenerateFoldMarkers
/// Interface implementation.
public List<FoldMarker> GenerateFoldMarkers(IDocument document, string fileName, object parseInformation)
{
List<FoldMarker> foldMarkers = new List<FoldMarker>();
Stack<int> startOffsets = new Stack<int>();
int lastNewLineOffset = 0;
char openingBrace = '{';
char closingBrace = '}';
for (int i = 0; i < document.TextLength; i++)
{
char c = document.GetCharAt(i);
if (c == openingBrace)
{
startOffsets.Push(i);
}
else if (c == closingBrace && startOffsets.Count > 0)
{
int startOffset = startOffsets.Pop();
// don't fold if opening and closing brace are on the same line
if (startOffset < lastNewLineOffset)
{
foldMarkers.Add(new FoldMarker(document, startOffset, i + 1 - startOffset, "{...}", false));
}
}
else if (c == '\n' || c == '\r')
{
lastNewLineOffset = i + 1;
}
}
return foldMarkers;
}
示例15: ScanLineStart
static int ScanLineStart(IDocument document, int offset)
{
for (int i = offset - 1; i > 0; --i) {
if (document.GetCharAt(i) == '\n')
return i + 1;
}
return 0;
}