5a739853
 patrick.he
commit
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
mod(require("../../lib/codemirror"));
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
CodeMirror.registerHelper("fold", "brace", function(cm, start) {
var line = start.line, lineText = cm.getLine(line);
var startCh, tokenType;
function findOpening(openCh) {
for (var at = start.ch, pass = 0;;) {
var found = at <= 0 ? -1 : lineText.lastIndexOf(openCh, at - 1);
if (found == -1) {
if (pass == 1) break;
pass = 1;
at = lineText.length;
continue;
}
if (pass == 1 && found < start.ch) break;
tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));
if (!/^(comment|string)/.test(tokenType)) return found + 1;
at = found - 1;
}
}
var startToken = "{", endToken = "}", startCh = findOpening("{");
if (startCh == null) {
startToken = "[", endToken = "]";
startCh = findOpening("[");
}
if (startCh == null) return;
var count = 1, lastLine = cm.lastLine(), end, endCh;
outer: for (var i = line; i <= lastLine; ++i) {
var text = cm.getLine(i), pos = i == line ? startCh : 0;
for (;;) {
var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
if (nextOpen < 0) nextOpen = text.length;
if (nextClose < 0) nextClose = text.length;
pos = Math.min(nextOpen, nextClose);
if (pos == text.length) break;
if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == tokenType) {
if (pos == nextOpen) ++count;
else if (!--count) { end = i; endCh = pos; break outer; }
}
++pos;
}
}
if (end == null || line == end && endCh == startCh) return;
return {from: CodeMirror.Pos(line, startCh),
to: CodeMirror.Pos(end, endCh)};
});
CodeMirror.registerHelper("fold", "import", function(cm, start) {
function hasImport(line) {
if (line < cm.firstLine() || line > cm.lastLine()) return null;
var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
if (start.type != "keyword" || start.string != "import") return null;
// Now find closing semicolon, return its position
for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
var text = cm.getLine(i), semi = text.indexOf(";");
if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
}
}
var start = start.line, has = hasImport(start), prev;
if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 1))
return null;
for (var end = has.end;;) {
var next = hasImport(end.line + 1);
if (next == null) break;
end = next.end;
}
return {from: cm.clipPos(CodeMirror.Pos(start, has.startCh + 1)), to: end};
});
CodeMirror.registerHelper("fold", "include", function(cm, start) {
function hasInclude(line) {
if (line < cm.firstLine() || line > cm.lastLine()) return null;
var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
}
var start = start.line, has = hasInclude(start);
if (has == null || hasInclude(start - 1) != null) return null;
for (var end = start;;) {
var next = hasInclude(end + 1);
if (next == null) break;
++end;
}
return {from: CodeMirror.Pos(start, has + 1),
to: cm.clipPos(CodeMirror.Pos(end))};
});
});
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