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toggle comment feature

This commit is contained in:
Vadim Lopatin 2015-02-09 17:43:25 +03:00
parent 0221da6a76
commit 31054482b4
1 changed files with 84 additions and 7 deletions
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91
src/dlangide/ui/dsourceedit.d
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@ -269,6 +269,26 @@ class SimpleDSyntaxHighlighter : SyntaxHighlighter {
}
}
protected TokenWithRange[] getRangeTokens(TextRange range) {
TokenWithRange[] res;
//Log.d("getPositionToken for ", pos);
TextPosition start = tokenStart(range.start);
//Log.d("token start found: ", start);
initTokenizer(start);
for (;;) {
TokenWithRange tokenRange = nextToken();
//Log.d("read token: ", tokenRange);
if (!tokenRange.token) {
//Log.d("end of file");
return res;
}
if (tokenRange.range.intersects(range)) {
//Log.d("found: ", pos, " in ", tokenRange);
res ~= tokenRange;
}
}
}
protected bool isInsideBlockComment(TextPosition pos) {
TokenWithRange tokenRange = getPositionToken(pos);
if (tokenRange.token && tokenRange.token.type == TokenType.COMMENT && tokenRange.token.isMultilineComment)
@ -339,12 +359,27 @@ class SimpleDSyntaxHighlighter : SyntaxHighlighter {
override bool canToggleBlockComment(TextRange range) {
TokenWithRange startToken = getPositionToken(range.start);
TokenWithRange endToken = getPositionToken(range.end);
Log.d("canToggleBlockComment: startToken=", startToken, " endToken=", endToken);
//Log.d("canToggleBlockComment: startToken=", startToken, " endToken=", endToken);
if (startToken.token && endToken.token && startToken.range == endToken.range && startToken.token.isMultilineComment) {
Log.d("canToggleBlockComment: can uncomment");
//Log.d("canToggleBlockComment: can uncomment");
return true;
}
return false;
if (range.empty)
return false;
TokenWithRange[] tokens = getRangeTokens(range);
foreach(ref t; tokens) {
if (t.token.type == TokenType.COMMENT) {
if (t.token.isMultilineComment) {
// disable until nested comments support is implemented
return false;
} else {
// single line comment
if (t.range.isInside(range.start) || t.range.isInside(range.end))
return false;
}
}
}
return true;
}
/// toggle block comments for specified text range
override void toggleBlockComment(TextRange srcrange, Object source) {
@ -367,9 +402,9 @@ class SimpleDSyntaxHighlighter : SyntaxHighlighter {
break;
charsRemoved++;
}
Log.d("line before removing start of comment:", s);
//Log.d("line before removing start of comment:", s);
s = s[range.start.pos + charsRemoved .. $];
Log.d("line after removing start of comment:", s);
//Log.d("line after removing start of comment:", s);
charsRemoved += range.start.pos;
}
if (i == range.end.line) {
@ -382,15 +417,57 @@ class SimpleDSyntaxHighlighter : SyntaxHighlighter {
break;
endRemoved++;
}
Log.d("line before removing end of comment:", s);
//Log.d("line before removing end of comment:", s);
s = s[0 .. endp - endRemoved];
Log.d("line after removing end of comment:", s);
//Log.d("line after removing end of comment:", s);
}
dsttext ~= s;
}
EditOperation op = new EditOperation(EditAction.Replace, range, dsttext);
_content.performOperation(op, source);
return;
} else {
if (srcrange.empty)
return;
TokenWithRange[] tokens = getRangeTokens(srcrange);
foreach(ref t; tokens) {
if (t.token.type == TokenType.COMMENT) {
if (t.token.isMultilineComment) {
// disable until nested comments support is implemented
return;
} else {
// single line comment
if (t.range.isInside(srcrange.start) || t.range.isInside(srcrange.end))
return;
}
}
}
dstring[] dsttext;
for (int i = srcrange.start.line; i <= srcrange.end.line; i++) {
dstring s = content.line(i);
int charsAdded = 0;
if (i == srcrange.start.line) {
int p = srcrange.start.pos;
if (p < s.length) {
s = s[p .. $];
charsAdded = -p;
} else {
charsAdded = -(cast(int)s.length);
s = null;
}
s = "/*" ~ s;
charsAdded += 2;
}
if (i == srcrange.end.line) {
int p = srcrange.end.pos + charsAdded;
s = p > 0 ? s[0..p] : null;
s ~= "*/";
}
dsttext ~= s;
}
EditOperation op = new EditOperation(EditAction.Replace, srcrange, dsttext);
_content.performOperation(op, source);
return;
}
}