orbit-basic/app/assets/javascripts/codemirror/addon/edit/continuecomment.js

45 lines
1.7 KiB
JavaScript

(function() {
var modes = ["clike", "css", "javascript"];
for (var i = 0; i < modes.length; ++i)
CodeMirror.extendMode(modes[i], {blockCommentStart: "/*",
blockCommentEnd: "*/",
blockCommentContinue: " * "});
function continueComment(cm) {
var pos = cm.getCursor(), token = cm.getTokenAt(pos);
var mode = CodeMirror.innerMode(cm.getMode(), token.state).mode;
var space;
if (token.type == "comment" && mode.blockCommentStart) {
var end = token.string.indexOf(mode.blockCommentEnd);
var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
if (end != -1 && end == token.string.length - mode.blockCommentEnd.length) {
// Comment ended, don't continue it
} else if (token.string.indexOf(mode.blockCommentStart) == 0) {
space = full.slice(0, token.start);
if (!/^\s*$/.test(space)) {
space = "";
for (var i = 0; i < token.start; ++i) space += " ";
}
} else if ((found = full.indexOf(mode.blockCommentContinue)) != -1 &&
found + mode.blockCommentContinue.length > token.start &&
/^\s*$/.test(full.slice(0, found))) {
space = full.slice(0, found);
}
}
if (space != null)
cm.replaceSelection("\n" + space + mode.blockCommentContinue, "end");
else
return CodeMirror.Pass;
}
CodeMirror.defineOption("continueComments", null, function(cm, val, prev) {
if (prev && prev != CodeMirror.Init)
cm.removeKeyMap("continueComment");
var map = {name: "continueComment"};
map[typeof val == "string" ? val : "Enter"] = continueComment;
cm.addKeyMap(map);
});
})();