github.com/jancarloviray/community@v0.41.1-0.20170124221257-33a66c87cf2f/app/public/codemirror/addon/hint/xml-hint.js (about)

     1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
     2  // Distributed under an MIT license: http://codemirror.net/LICENSE
     3  
     4  (function(mod) {
     5    if (typeof exports == "object" && typeof module == "object") // CommonJS
     6      mod(require("../../lib/codemirror"));
     7    else if (typeof define == "function" && define.amd) // AMD
     8      define(["../../lib/codemirror"], mod);
     9    else // Plain browser env
    10      mod(CodeMirror);
    11  })(function(CodeMirror) {
    12    "use strict";
    13  
    14    var Pos = CodeMirror.Pos;
    15  
    16    function getHints(cm, options) {
    17      var tags = options && options.schemaInfo;
    18      var quote = (options && options.quoteChar) || '"';
    19      if (!tags) return;
    20      var cur = cm.getCursor(), token = cm.getTokenAt(cur);
    21      if (token.end > cur.ch) {
    22        token.end = cur.ch;
    23        token.string = token.string.slice(0, cur.ch - token.start);
    24      }
    25      var inner = CodeMirror.innerMode(cm.getMode(), token.state);
    26      if (inner.mode.name != "xml") return;
    27      var result = [], replaceToken = false, prefix;
    28      var tag = /\btag\b/.test(token.type) && !/>$/.test(token.string);
    29      var tagName = tag && /^\w/.test(token.string), tagStart;
    30  
    31      if (tagName) {
    32        var before = cm.getLine(cur.line).slice(Math.max(0, token.start - 2), token.start);
    33        var tagType = /<\/$/.test(before) ? "close" : /<$/.test(before) ? "open" : null;
    34        if (tagType) tagStart = token.start - (tagType == "close" ? 2 : 1);
    35      } else if (tag && token.string == "<") {
    36        tagType = "open";
    37      } else if (tag && token.string == "</") {
    38        tagType = "close";
    39      }
    40  
    41      if (!tag && !inner.state.tagName || tagType) {
    42        if (tagName)
    43          prefix = token.string;
    44        replaceToken = tagType;
    45        var cx = inner.state.context, curTag = cx && tags[cx.tagName];
    46        var childList = cx ? curTag && curTag.children : tags["!top"];
    47        if (childList && tagType != "close") {
    48          for (var i = 0; i < childList.length; ++i) if (!prefix || childList[i].lastIndexOf(prefix, 0) == 0)
    49            result.push("<" + childList[i]);
    50        } else if (tagType != "close") {
    51          for (var name in tags)
    52            if (tags.hasOwnProperty(name) && name != "!top" && name != "!attrs" && (!prefix || name.lastIndexOf(prefix, 0) == 0))
    53              result.push("<" + name);
    54        }
    55        if (cx && (!prefix || tagType == "close" && cx.tagName.lastIndexOf(prefix, 0) == 0))
    56          result.push("</" + cx.tagName + ">");
    57      } else {
    58        // Attribute completion
    59        var curTag = tags[inner.state.tagName], attrs = curTag && curTag.attrs;
    60        var globalAttrs = tags["!attrs"];
    61        if (!attrs && !globalAttrs) return;
    62        if (!attrs) {
    63          attrs = globalAttrs;
    64        } else if (globalAttrs) { // Combine tag-local and global attributes
    65          var set = {};
    66          for (var nm in globalAttrs) if (globalAttrs.hasOwnProperty(nm)) set[nm] = globalAttrs[nm];
    67          for (var nm in attrs) if (attrs.hasOwnProperty(nm)) set[nm] = attrs[nm];
    68          attrs = set;
    69        }
    70        if (token.type == "string" || token.string == "=") { // A value
    71          var before = cm.getRange(Pos(cur.line, Math.max(0, cur.ch - 60)),
    72                                   Pos(cur.line, token.type == "string" ? token.start : token.end));
    73          var atName = before.match(/([^\s\u00a0=<>\"\']+)=$/), atValues;
    74          if (!atName || !attrs.hasOwnProperty(atName[1]) || !(atValues = attrs[atName[1]])) return;
    75          if (typeof atValues == 'function') atValues = atValues.call(this, cm); // Functions can be used to supply values for autocomplete widget
    76          if (token.type == "string") {
    77            prefix = token.string;
    78            var n = 0;
    79            if (/['"]/.test(token.string.charAt(0))) {
    80              quote = token.string.charAt(0);
    81              prefix = token.string.slice(1);
    82              n++;
    83            }
    84            var len = token.string.length;
    85            if (/['"]/.test(token.string.charAt(len - 1))) {
    86              quote = token.string.charAt(len - 1);
    87              prefix = token.string.substr(n, len - 2);
    88            }
    89            replaceToken = true;
    90          }
    91          for (var i = 0; i < atValues.length; ++i) if (!prefix || atValues[i].lastIndexOf(prefix, 0) == 0)
    92            result.push(quote + atValues[i] + quote);
    93        } else { // An attribute name
    94          if (token.type == "attribute") {
    95            prefix = token.string;
    96            replaceToken = true;
    97          }
    98          for (var attr in attrs) if (attrs.hasOwnProperty(attr) && (!prefix || attr.lastIndexOf(prefix, 0) == 0))
    99            result.push(attr);
   100        }
   101      }
   102      return {
   103        list: result,
   104        from: replaceToken ? Pos(cur.line, tagStart == null ? token.start : tagStart) : cur,
   105        to: replaceToken ? Pos(cur.line, token.end) : cur
   106      };
   107    }
   108  
   109    CodeMirror.registerHelper("hint", "xml", getHints);
   110  });