in lib/ace/mode/behaviour/cstyle.js [81:327]
var CstyleBehaviour = function(options) {
this.add("braces", "insertion", function(state, action, editor, session, text) {
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
if (text == '{') {
initContext(editor);
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && selected !== "{" && editor.getWrapBehavioursEnabled()) {
return getWrapped(selection, selected, '{', '}');
} else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
if (/[\]\}\)]/.test(line[cursor.column]) || editor.inMultiSelectMode || options && options.braces) {
CstyleBehaviour.recordAutoInsert(editor, session, "}");
return {
text: '{}',
selection: [1, 1]
};
} else {
CstyleBehaviour.recordMaybeInsert(editor, session, "{");
return {
text: '{',
selection: [1, 1]
};
}
}
} else if (text == '}') {
initContext(editor);
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == '}') {
var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
CstyleBehaviour.popAutoInsertedClosing();
return {
text: '',
selection: [1, 1]
};
}
}
} else if (text == "\n" || text == "\r\n") {
initContext(editor);
var closing = "";
if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {
closing = lang.stringRepeat("}", context.maybeInsertedBrackets);
CstyleBehaviour.clearMaybeInsertedClosing();
}
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar === '}') {
var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column+1}, '}');
if (!openBracePos)
return null;
var next_indent = this.$getIndent(session.getLine(openBracePos.row));
} else if (closing) {
var next_indent = this.$getIndent(line);
} else {
CstyleBehaviour.clearMaybeInsertedClosing();
return;
}
var indent = next_indent + session.getTabString();
return {
text: '\n' + indent + '\n' + next_indent + closing,
selection: [1, indent.length, 1, indent.length]
};
} else {
CstyleBehaviour.clearMaybeInsertedClosing();
}
});
this.add("braces", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && selected == '{') {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.end.column, range.end.column + 1);
if (rightChar == '}') {
range.end.column++;
return range;
} else {
context.maybeInsertedBrackets--;
}
}
});
this.add("parens", "insertion", function(state, action, editor, session, text) {
if (text == '(') {
initContext(editor);
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && editor.getWrapBehavioursEnabled()) {
return getWrapped(selection, selected, '(', ')');
} else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
CstyleBehaviour.recordAutoInsert(editor, session, ")");
return {
text: '()',
selection: [1, 1]
};
}
} else if (text == ')') {
initContext(editor);
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == ')') {
var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
CstyleBehaviour.popAutoInsertedClosing();
return {
text: '',
selection: [1, 1]
};
}
}
}
});
this.add("parens", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && selected == '(') {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
if (rightChar == ')') {
range.end.column++;
return range;
}
}
});
this.add("brackets", "insertion", function(state, action, editor, session, text) {
if (text == '[') {
initContext(editor);
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && editor.getWrapBehavioursEnabled()) {
return getWrapped(selection, selected, '[', ']');
} else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
CstyleBehaviour.recordAutoInsert(editor, session, "]");
return {
text: '[]',
selection: [1, 1]
};
}
} else if (text == ']') {
initContext(editor);
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var rightChar = line.substring(cursor.column, cursor.column + 1);
if (rightChar == ']') {
var matching = session.$findOpeningBracket(']', {column: cursor.column + 1, row: cursor.row});
if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
CstyleBehaviour.popAutoInsertedClosing();
return {
text: '',
selection: [1, 1]
};
}
}
}
});
this.add("brackets", "deletion", function(state, action, editor, session, range) {
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && selected == '[') {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
if (rightChar == ']') {
range.end.column++;
return range;
}
}
});
this.add("string_dquotes", "insertion", function(state, action, editor, session, text) {
var quotes = session.$mode.$quotes || defaultQuotes;
if (text.length == 1 && quotes[text]) {
if (this.lineCommentStart && this.lineCommentStart.indexOf(text) != -1)
return;
initContext(editor);
var quote = text;
var selection = editor.getSelectionRange();
var selected = session.doc.getTextRange(selection);
if (selected !== "" && (selected.length != 1 || !quotes[selected]) && editor.getWrapBehavioursEnabled()) {
return getWrapped(selection, selected, quote, quote);
} else if (!selected) {
var cursor = editor.getCursorPosition();
var line = session.doc.getLine(cursor.row);
var leftChar = line.substring(cursor.column-1, cursor.column);
var rightChar = line.substring(cursor.column, cursor.column + 1);
var token = session.getTokenAt(cursor.row, cursor.column);
var rightToken = session.getTokenAt(cursor.row, cursor.column + 1);
// We're escaped.
if (leftChar == "\\" && token && /escape/.test(token.type))
return null;
var stringBefore = token && /string|escape/.test(token.type);
var stringAfter = !rightToken || /string|escape/.test(rightToken.type);
var pair;
if (rightChar == quote) {
pair = stringBefore !== stringAfter;
if (pair && /string\.end/.test(rightToken.type))
pair = false;
} else {
if (stringBefore && !stringAfter)
return null; // wrap string with different quote
if (stringBefore && stringAfter)
return null; // do not pair quotes inside strings
var wordRe = session.$mode.tokenRe;
wordRe.lastIndex = 0;
var isWordBefore = wordRe.test(leftChar);
wordRe.lastIndex = 0;
var isWordAfter = wordRe.test(leftChar);
if (isWordBefore || isWordAfter)
return null; // before or after alphanumeric
if (rightChar && !/[\s;,.})\]\\]/.test(rightChar))
return null; // there is rightChar and it isn't closing
var charBefore = line[cursor.column - 2];
if (leftChar == quote && (charBefore == quote || wordRe.test(charBefore)))
return null;
pair = true;
}
return {
text: pair ? quote + quote : "",
selection: [1,1]
};
}
}
});
this.add("string_dquotes", "deletion", function(state, action, editor, session, range) {
var quotes = session.$mode.$quotes || defaultQuotes;
var selected = session.doc.getTextRange(range);
if (!range.isMultiLine() && quotes.hasOwnProperty(selected)) {
initContext(editor);
var line = session.doc.getLine(range.start.row);
var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
if (rightChar == selected) {
range.end.column++;
return range;
}
}
});
};