1 |
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2 |
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3 |
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4 | (function(mod) {
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5 | if (typeof exports == "object" && typeof module == "object")
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6 | mod(require("../../lib/codemirror"));
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7 | else if (typeof define == "function" && define.amd)
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8 | define(["../../lib/codemirror"], mod);
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9 | else
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10 | mod(CodeMirror);
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11 | })(function(CodeMirror) {
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12 | "use strict";
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13 |
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14 | CodeMirror.registerHelper("fold", "brace", function(cm, start) {
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15 | var line = start.line, lineText = cm.getLine(line);
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16 | var tokenType;
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17 |
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18 | function findOpening(openCh) {
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19 | for (var at = start.ch, pass = 0;;) {
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20 | var found = at <= 0 ? -1 : lineText.lastIndexOf(openCh, at - 1);
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21 | if (found == -1) {
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22 | if (pass == 1) break;
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23 | pass = 1;
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24 | at = lineText.length;
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25 | continue;
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26 | }
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27 | if (pass == 1 && found < start.ch) break;
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28 | tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));
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29 | if (!/^(comment|string)/.test(tokenType)) return found + 1;
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30 | at = found - 1;
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31 | }
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32 | }
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33 |
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34 | var startToken = "{", endToken = "}", startCh = findOpening("{");
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35 | if (startCh == null) {
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36 | startToken = "[", endToken = "]";
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37 | startCh = findOpening("[");
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38 | }
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39 |
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40 | if (startCh == null) return;
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41 | var count = 1, lastLine = cm.lastLine(), end, endCh;
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42 | outer: for (var i = line; i <= lastLine; ++i) {
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43 | var text = cm.getLine(i), pos = i == line ? startCh : 0;
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44 | for (;;) {
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45 | var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
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46 | if (nextOpen < 0) nextOpen = text.length;
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47 | if (nextClose < 0) nextClose = text.length;
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48 | pos = Math.min(nextOpen, nextClose);
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49 | if (pos == text.length) break;
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50 | if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == tokenType) {
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51 | if (pos == nextOpen) ++count;
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52 | else if (!--count) { end = i; endCh = pos; break outer; }
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53 | }
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54 | ++pos;
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55 | }
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56 | }
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57 | if (end == null || line == end) return;
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58 | return {from: CodeMirror.Pos(line, startCh),
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59 | to: CodeMirror.Pos(end, endCh)};
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60 | });
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61 |
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62 | CodeMirror.registerHelper("fold", "import", function(cm, start) {
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63 | function hasImport(line) {
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64 | if (line < cm.firstLine() || line > cm.lastLine()) return null;
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65 | var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
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66 | if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
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67 | if (start.type != "keyword" || start.string != "import") return null;
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68 |
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69 | for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
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70 | var text = cm.getLine(i), semi = text.indexOf(";");
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71 | if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
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72 | }
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73 | }
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74 |
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75 | var startLine = start.line, has = hasImport(startLine), prev;
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76 | if (!has || hasImport(startLine - 1) || ((prev = hasImport(startLine - 2)) && prev.end.line == startLine - 1))
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77 | return null;
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78 | for (var end = has.end;;) {
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79 | var next = hasImport(end.line + 1);
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80 | if (next == null) break;
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81 | end = next.end;
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82 | }
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83 | return {from: cm.clipPos(CodeMirror.Pos(startLine, has.startCh + 1)), to: end};
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84 | });
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85 |
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86 | CodeMirror.registerHelper("fold", "include", function(cm, start) {
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87 | function hasInclude(line) {
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88 | if (line < cm.firstLine() || line > cm.lastLine()) return null;
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89 | var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
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90 | if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
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91 | if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
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92 | }
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93 |
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94 | var startLine = start.line, has = hasInclude(startLine);
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95 | if (has == null || hasInclude(startLine - 1) != null) return null;
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96 | for (var end = startLine;;) {
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97 | var next = hasInclude(end + 1);
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98 | if (next == null) break;
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99 | ++end;
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100 | }
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101 | return {from: CodeMirror.Pos(startLine, has + 1),
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102 | to: cm.clipPos(CodeMirror.Pos(end))};
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103 | });
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104 |
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105 | });
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