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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/wrap
parent61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff)
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/addon/wrap')
-rwxr-xr-xpublic/vendor/codemirror/addon/wrap/hardwrap.js139
1 files changed, 139 insertions, 0 deletions
diff --git a/public/vendor/codemirror/addon/wrap/hardwrap.js b/public/vendor/codemirror/addon/wrap/hardwrap.js
new file mode 100755
index 00000000..fe9b4dd6
--- /dev/null
+++ b/public/vendor/codemirror/addon/wrap/hardwrap.js
@@ -0,0 +1,139 @@
+// 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";
+
+ var Pos = CodeMirror.Pos;
+
+ function findParagraph(cm, pos, options) {
+ var startRE = options.paragraphStart || cm.getHelper(pos, "paragraphStart");
+ for (var start = pos.line, first = cm.firstLine(); start > first; --start) {
+ var line = cm.getLine(start);
+ if (startRE && startRE.test(line)) break;
+ if (!/\S/.test(line)) { ++start; break; }
+ }
+ var endRE = options.paragraphEnd || cm.getHelper(pos, "paragraphEnd");
+ for (var end = pos.line + 1, last = cm.lastLine(); end <= last; ++end) {
+ var line = cm.getLine(end);
+ if (endRE && endRE.test(line)) { ++end; break; }
+ if (!/\S/.test(line)) break;
+ }
+ return {from: start, to: end};
+ }
+
+ function findBreakPoint(text, column, wrapOn, killTrailingSpace) {
+ for (var at = column; at > 0; --at)
+ if (wrapOn.test(text.slice(at - 1, at + 1))) break;
+ if (at == 0) at = column;
+ var endOfText = at;
+ if (killTrailingSpace)
+ while (text.charAt(endOfText - 1) == " ") --endOfText;
+ return {from: endOfText, to: at};
+ }
+
+ function wrapRange(cm, from, to, options) {
+ from = cm.clipPos(from); to = cm.clipPos(to);
+ var column = options.column || 80;
+ var wrapOn = options.wrapOn || /\s\S|-[^\.\d]/;
+ var killTrailing = options.killTrailingSpace !== false;
+ var changes = [], curLine = "", curNo = from.line;
+ var lines = cm.getRange(from, to, false);
+ if (!lines.length) return null;
+ var leadingSpace = lines[0].match(/^[ \t]*/)[0];
+
+ for (var i = 0; i < lines.length; ++i) {
+ var text = lines[i], oldLen = curLine.length, spaceInserted = 0;
+ if (curLine && text && !wrapOn.test(curLine.charAt(curLine.length - 1) + text.charAt(0))) {
+ curLine += " ";
+ spaceInserted = 1;
+ }
+ var spaceTrimmed = "";
+ if (i) {
+ spaceTrimmed = text.match(/^\s*/)[0];
+ text = text.slice(spaceTrimmed.length);
+ }
+ curLine += text;
+ if (i) {
+ var firstBreak = curLine.length > column && leadingSpace == spaceTrimmed &&
+ findBreakPoint(curLine, column, wrapOn, killTrailing);
+ // If this isn't broken, or is broken at a different point, remove old break
+ if (!firstBreak || firstBreak.from != oldLen || firstBreak.to != oldLen + spaceInserted) {
+ changes.push({text: [spaceInserted ? " " : ""],
+ from: Pos(curNo, oldLen),
+ to: Pos(curNo + 1, spaceTrimmed.length)});
+ } else {
+ curLine = leadingSpace + text;
+ ++curNo;
+ }
+ }
+ while (curLine.length > column) {
+ var bp = findBreakPoint(curLine, column, wrapOn, killTrailing);
+ changes.push({text: ["", leadingSpace],
+ from: Pos(curNo, bp.from),
+ to: Pos(curNo, bp.to)});
+ curLine = leadingSpace + curLine.slice(bp.to);
+ ++curNo;
+ }
+ }
+ if (changes.length) cm.operation(function() {
+ for (var i = 0; i < changes.length; ++i) {
+ var change = changes[i];
+ cm.replaceRange(change.text, change.from, change.to);
+ }
+ });
+ return changes.length ? {from: changes[0].from, to: CodeMirror.changeEnd(changes[changes.length - 1])} : null;
+ }
+
+ CodeMirror.defineExtension("wrapParagraph", function(pos, options) {
+ options = options || {};
+ if (!pos) pos = this.getCursor();
+ var para = findParagraph(this, pos, options);
+ return wrapRange(this, Pos(para.from, 0), Pos(para.to - 1), options);
+ });
+
+ CodeMirror.commands.wrapLines = function(cm) {
+ cm.operation(function() {
+ var ranges = cm.listSelections(), at = cm.lastLine() + 1;
+ for (var i = ranges.length - 1; i >= 0; i--) {
+ var range = ranges[i], span;
+ if (range.empty()) {
+ var para = findParagraph(cm, range.head, {});
+ span = {from: Pos(para.from, 0), to: Pos(para.to - 1)};
+ } else {
+ span = {from: range.from(), to: range.to()};
+ }
+ if (span.to.line >= at) continue;
+ at = span.from.line;
+ wrapRange(cm, span.from, span.to, {});
+ }
+ });
+ };
+
+ CodeMirror.defineExtension("wrapRange", function(from, to, options) {
+ return wrapRange(this, from, to, options || {});
+ });
+
+ CodeMirror.defineExtension("wrapParagraphsInRange", function(from, to, options) {
+ options = options || {};
+ var cm = this, paras = [];
+ for (var line = from.line; line <= to.line;) {
+ var para = findParagraph(cm, Pos(line, 0), options);
+ paras.push(para);
+ line = para.to;
+ }
+ var madeChange = false;
+ if (paras.length) cm.operation(function() {
+ for (var i = paras.length - 1; i >= 0; --i)
+ madeChange = madeChange || wrapRange(cm, Pos(paras[i].from, 0), Pos(paras[i].to - 1), options);
+ });
+ return madeChange;
+ });
+});