summaryrefslogtreecommitdiff
path: root/public/vendor/codemirror/addon/fold/brace-fold.js
diff options
context:
space:
mode:
authorWu Cheng-Han2015-05-04 15:53:29 +0800
committerWu Cheng-Han2015-05-04 15:53:29 +0800
commit4b0ca55eb79e963523eb6c8197825e9e8ae904e2 (patch)
tree574f3923af77b37b41dbf1b00bcd7827ef724a28 /public/vendor/codemirror/addon/fold/brace-fold.js
parent61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff)
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/addon/fold/brace-fold.js')
-rwxr-xr-xpublic/vendor/codemirror/addon/fold/brace-fold.js105
1 files changed, 105 insertions, 0 deletions
diff --git a/public/vendor/codemirror/addon/fold/brace-fold.js b/public/vendor/codemirror/addon/fold/brace-fold.js
new file mode 100755
index 00000000..1605f6c2
--- /dev/null
+++ b/public/vendor/codemirror/addon/fold/brace-fold.js
@@ -0,0 +1,105 @@
+// 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))};
+});
+
+});