TT2-Play-Area

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lib/auto/TT2/Play/Area/public/codemirror/lib/codemirror.js  view on Meta::CPAN

  return countColumn(this.string, null, this.tabSize) -
    (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
};
StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
  if (typeof pattern == "string") {
    var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }
    var substr = this.string.substr(this.pos, pattern.length)
    if (cased(substr) == cased(pattern)) {
      if (consume !== false) { this.pos += pattern.length }
      return true
    }
  } else {
    var match = this.string.slice(this.pos).match(pattern)
    if (match && match.index > 0) { return null }
    if (match && consume !== false) { this.pos += match[0].length }
    return match
  }
};
StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
StringStream.prototype.hideFirstChars = function (n, inner) {
  this.lineStart += n
  try { return inner() }
  finally { this.lineStart -= n }
};
StringStream.prototype.lookAhead = function (n) {
  var oracle = this.lineOracle
  return oracle && oracle.lookAhead(n)
};
StringStream.prototype.baseToken = function () {
  var oracle = this.lineOracle
  return oracle && oracle.baseToken(this.pos)
};

var SavedContext = function(state, lookAhead) {
  this.state = state
  this.lookAhead = lookAhead
};

var Context = function(doc, state, line, lookAhead) {
  this.state = state
  this.doc = doc
  this.line = line
  this.maxLookAhead = lookAhead || 0
  this.baseTokens = null
  this.baseTokenPos = 1
};

Context.prototype.lookAhead = function (n) {
  var line = this.doc.getLine(this.line + n)
  if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n }
  return line
};

Context.prototype.baseToken = function (n) {
    var this$1 = this;

  if (!this.baseTokens) { return null }
  while (this.baseTokens[this.baseTokenPos] <= n)
    { this$1.baseTokenPos += 2 }
  var type = this.baseTokens[this.baseTokenPos + 1]
  return {type: type && type.replace(/( |^)overlay .*/, ""),
          size: this.baseTokens[this.baseTokenPos] - n}
};

Context.prototype.nextLine = function () {
  this.line++
  if (this.maxLookAhead > 0) { this.maxLookAhead-- }
};

Context.fromSaved = function (doc, saved, line) {
  if (saved instanceof SavedContext)
    { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
  else
    { return new Context(doc, copyState(doc.mode, saved), line) }
};

Context.prototype.save = function (copy) {
  var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state
  return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
};


// Compute a style array (an array starting with a mode generation
// -- for invalidation -- followed by pairs of end positions and
// style strings), which is used to highlight the tokens on the
// line.
function highlightLine(cm, line, context, forceToEnd) {
  // A styles array always starts with a number identifying the
  // mode/overlays that it is based on (for easy invalidation).
  var st = [cm.state.modeGen], lineClasses = {}
  // Compute the base array of styles
  runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
          lineClasses, forceToEnd)
  var state = context.state

  // Run overlays, adjust style array.
  var loop = function ( o ) {
    context.baseTokens = st
    var overlay = cm.state.overlays[o], i = 1, at = 0
    context.state = true
    runMode(cm, line.text, overlay.mode, context, function (end, style) {
      var start = i
      // Ensure there's a token end at the current position, and that i points at it
      while (at < end) {
        var i_end = st[i]
        if (i_end > end)
          { st.splice(i, 1, end, st[i+1], i_end) }
        i += 2
        at = Math.min(end, i_end)
      }
      if (!style) { return }
      if (overlay.opaque) {
        st.splice(start, i - start, end, "overlay " + style)
        i = start + 2
      } else {
        for (; start < i; start += 2) {
          var cur = st[start+1]
          st[start+1] = (cur ? cur + " " : "") + "overlay " + style
        }
      }
    }, lineClasses)
    context.state = state
    context.baseTokens = null
    context.baseTokenPos = 1
  };

  for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );

  return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
}

function getLineStyles(cm, line, updateFrontier) {
  if (!line.styles || line.styles[0] != cm.state.modeGen) {
    var context = getContextBefore(cm, lineNo(line))
    var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state)
    var result = highlightLine(cm, line, context)
    if (resetState) { context.state = resetState }
    line.stateAfter = context.save(!resetState)
    line.styles = result.styles
    if (result.classes) { line.styleClasses = result.classes }
    else if (line.styleClasses) { line.styleClasses = null }
    if (updateFrontier === cm.doc.highlightFrontier)
      { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier) }
  }
  return line.styles
}

function getContextBefore(cm, n, precise) {
  var doc = cm.doc, display = cm.display
  if (!doc.mode.startState) { return new Context(doc, true, n) }
  var start = findStartLine(cm, n, precise)
  var saved = start > doc.first && getLine(doc, start - 1).stateAfter
  var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start)

  doc.iter(start, n, function (line) {
    processLine(cm, line.text, context)
    var pos = context.line
    line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null
    context.nextLine()
  })
  if (precise) { doc.modeFrontier = context.line }
  return context
}

// Lightweight form of highlight -- proceed over this line and
// update state, but don't save a style array. Used for lines that
// aren't currently visible.
function processLine(cm, text, context, startAt) {
  var mode = cm.doc.mode
  var stream = new StringStream(text, cm.options.tabSize, context)
  stream.start = stream.pos = startAt || 0
  if (text == "") { callBlankLine(mode, context.state) }
  while (!stream.eol()) {
    readToken(mode, stream, context.state)
    stream.start = stream.pos
  }
}

function callBlankLine(mode, state) {
  if (mode.blankLine) { return mode.blankLine(state) }
  if (!mode.innerMode) { return }
  var inner = innerMode(mode, state)
  if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
}

function readToken(mode, stream, state, inner) {
  for (var i = 0; i < 10; i++) {

lib/auto/TT2/Play/Area/public/codemirror/lib/codemirror.js  view on Meta::CPAN

  regChange(cm)
  alignHorizontally(cm)
}

function dragDropChanged(cm, value, old) {
  var wasOn = old && old != Init
  if (!value != !wasOn) {
    var funcs = cm.display.dragFunctions
    var toggle = value ? on : off
    toggle(cm.display.scroller, "dragstart", funcs.start)
    toggle(cm.display.scroller, "dragenter", funcs.enter)
    toggle(cm.display.scroller, "dragover", funcs.over)
    toggle(cm.display.scroller, "dragleave", funcs.leave)
    toggle(cm.display.scroller, "drop", funcs.drop)
  }
}

function wrappingChanged(cm) {
  if (cm.options.lineWrapping) {
    addClass(cm.display.wrapper, "CodeMirror-wrap")
    cm.display.sizer.style.minWidth = ""
    cm.display.sizerWidth = null
  } else {
    rmClass(cm.display.wrapper, "CodeMirror-wrap")
    findMaxLine(cm)
  }
  estimateLineHeights(cm)
  regChange(cm)
  clearCaches(cm)
  setTimeout(function () { return updateScrollbars(cm); }, 100)
}

// A CodeMirror instance represents an editor. This is the object
// that user code is usually dealing with.

function CodeMirror(place, options) {
  var this$1 = this;

  if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }

  this.options = options = options ? copyObj(options) : {}
  // Determine effective options based on given values and defaults.
  copyObj(defaults, options, false)
  setGuttersForLineNumbers(options)

  var doc = options.value
  if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction) }
  this.doc = doc

  var input = new CodeMirror.inputStyles[options.inputStyle](this)
  var display = this.display = new Display(place, doc, input)
  display.wrapper.CodeMirror = this
  updateGutters(this)
  themeChanged(this)
  if (options.lineWrapping)
    { this.display.wrapper.className += " CodeMirror-wrap" }
  initScrollbars(this)

  this.state = {
    keyMaps: [],  // stores maps added by addKeyMap
    overlays: [], // highlighting overlays, as added by addOverlay
    modeGen: 0,   // bumped when mode/overlay changes, used to invalidate highlighting info
    overwrite: false,
    delayingBlurEvent: false,
    focused: false,
    suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
    pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
    selectingText: false,
    draggingText: false,
    highlight: new Delayed(), // stores highlight worker timeout
    keySeq: null,  // Unfinished key sequence
    specialChars: null
  }

  if (options.autofocus && !mobile) { display.input.focus() }

  // Override magic textarea content restore that IE sometimes does
  // on our hidden textarea on reload
  if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20) }

  registerEventHandlers(this)
  ensureGlobalHandlers()

  startOperation(this)
  this.curOp.forceUpdate = true
  attachDoc(this, doc)

  if ((options.autofocus && !mobile) || this.hasFocus())
    { setTimeout(bind(onFocus, this), 20) }
  else
    { onBlur(this) }

  for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
    { optionHandlers[opt](this$1, options[opt], Init) } }
  maybeUpdateLineNumberWidth(this)
  if (options.finishInit) { options.finishInit(this) }
  for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1) }
  endOperation(this)
  // Suppress optimizelegibility in Webkit, since it breaks text
  // measuring on line wrapping boundaries.
  if (webkit && options.lineWrapping &&
      getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
    { display.lineDiv.style.textRendering = "auto" }
}

// The default configuration options.
CodeMirror.defaults = defaults
// Functions to run when options are changed.
CodeMirror.optionHandlers = optionHandlers

// Attach the necessary event handlers when initializing the editor
function registerEventHandlers(cm) {
  var d = cm.display
  on(d.scroller, "mousedown", operation(cm, onMouseDown))
  // Older IE's will not fire a second mousedown for a double click
  if (ie && ie_version < 11)
    { on(d.scroller, "dblclick", operation(cm, function (e) {
      if (signalDOMEvent(cm, e)) { return }
      var pos = posFromMouse(cm, e)
      if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
      e_preventDefault(e)
      var word = cm.findWordAt(pos)

lib/auto/TT2/Play/Area/public/codemirror/lib/codemirror.js  view on Meta::CPAN

function hiddenTextarea() {
  var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none")
  var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;")
  // The textarea is kept positioned near the cursor to prevent the
  // fact that it'll be scrolled into view on input from scrolling
  // our fake cursor out of view. On webkit, when wrap=off, paste is
  // very slow. So make the area wide instead.
  if (webkit) { te.style.width = "1000px" }
  else { te.setAttribute("wrap", "off") }
  // If border: 0; -- iOS fails to open keyboard (issue #1287)
  if (ios) { te.style.border = "1px solid black" }
  disableBrowserMagic(te)
  return div
}

// The publicly visible API. Note that methodOp(f) means
// 'wrap f in an operation, performed on its `this` parameter'.

// This is not the complete set of editor methods. Most of the
// methods defined on the Doc type are also injected into
// CodeMirror.prototype, for backwards compatibility and
// convenience.

function addEditorMethods(CodeMirror) {
  var optionHandlers = CodeMirror.optionHandlers

  var helpers = CodeMirror.helpers = {}

  CodeMirror.prototype = {
    constructor: CodeMirror,
    focus: function(){window.focus(); this.display.input.focus()},

    setOption: function(option, value) {
      var options = this.options, old = options[option]
      if (options[option] == value && option != "mode") { return }
      options[option] = value
      if (optionHandlers.hasOwnProperty(option))
        { operation(this, optionHandlers[option])(this, value, old) }
      signal(this, "optionChange", this, option)
    },

    getOption: function(option) {return this.options[option]},
    getDoc: function() {return this.doc},

    addKeyMap: function(map, bottom) {
      this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map))
    },
    removeKeyMap: function(map) {
      var maps = this.state.keyMaps
      for (var i = 0; i < maps.length; ++i)
        { if (maps[i] == map || maps[i].name == map) {
          maps.splice(i, 1)
          return true
        } }
    },

    addOverlay: methodOp(function(spec, options) {
      var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec)
      if (mode.startState) { throw new Error("Overlays may not be stateful.") }
      insertSorted(this.state.overlays,
                   {mode: mode, modeSpec: spec, opaque: options && options.opaque,
                    priority: (options && options.priority) || 0},
                   function (overlay) { return overlay.priority; })
      this.state.modeGen++
      regChange(this)
    }),
    removeOverlay: methodOp(function(spec) {
      var this$1 = this;

      var overlays = this.state.overlays
      for (var i = 0; i < overlays.length; ++i) {
        var cur = overlays[i].modeSpec
        if (cur == spec || typeof spec == "string" && cur.name == spec) {
          overlays.splice(i, 1)
          this$1.state.modeGen++
          regChange(this$1)
          return
        }
      }
    }),

    indentLine: methodOp(function(n, dir, aggressive) {
      if (typeof dir != "string" && typeof dir != "number") {
        if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev" }
        else { dir = dir ? "add" : "subtract" }
      }
      if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive) }
    }),
    indentSelection: methodOp(function(how) {
      var this$1 = this;

      var ranges = this.doc.sel.ranges, end = -1
      for (var i = 0; i < ranges.length; i++) {
        var range = ranges[i]
        if (!range.empty()) {
          var from = range.from(), to = range.to()
          var start = Math.max(end, from.line)
          end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1
          for (var j = start; j < end; ++j)
            { indentLine(this$1, j, how) }
          var newRanges = this$1.doc.sel.ranges
          if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
            { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll) }
        } else if (range.head.line > end) {
          indentLine(this$1, range.head.line, how, true)
          end = range.head.line
          if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1) }
        }
      }
    }),

    // Fetch the parser token for a given character. Useful for hacks
    // that want to inspect the mode state (say, for completion).
    getTokenAt: function(pos, precise) {
      return takeToken(this, pos, precise)
    },

    getLineTokens: function(line, precise) {
      return takeToken(this, Pos(line), precise, true)
    },

    getTokenTypeAt: function(pos) {
      pos = clipPos(this.doc, pos)
      var styles = getLineStyles(this, getLine(this.doc, pos.line))
      var before = 0, after = (styles.length - 1) / 2, ch = pos.ch
      var type
      if (ch == 0) { type = styles[2] }
      else { for (;;) {
        var mid = (before + after) >> 1
        if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid }
        else if (styles[mid * 2 + 1] < ch) { before = mid + 1 }
        else { type = styles[mid * 2 + 2]; break }
      } }
      var cut = type ? type.indexOf("overlay ") : -1
      return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
    },

    getModeAt: function(pos) {
      var mode = this.doc.mode
      if (!mode.innerMode) { return mode }
      return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
    },

    getHelper: function(pos, type) {
      return this.getHelpers(pos, type)[0]
    },

    getHelpers: function(pos, type) {
      var this$1 = this;

      var found = []
      if (!helpers.hasOwnProperty(type)) { return found }
      var help = helpers[type], mode = this.getModeAt(pos)
      if (typeof mode[type] == "string") {
        if (help[mode[type]]) { found.push(help[mode[type]]) }
      } else if (mode[type]) {
        for (var i = 0; i < mode[type].length; i++) {
          var val = help[mode[type][i]]
          if (val) { found.push(val) }
        }
      } else if (mode.helperType && help[mode.helperType]) {
        found.push(help[mode.helperType])
      } else if (help[mode.name]) {
        found.push(help[mode.name])
      }
      for (var i$1 = 0; i$1 < help._global.length; i$1++) {
        var cur = help._global[i$1]
        if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
          { found.push(cur.val) }
      }
      return found
    },

    getStateAfter: function(line, precise) {
      var doc = this.doc
      line = clipLine(doc, line == null ? doc.first + doc.size - 1: line)
      return getContextBefore(this, line + 1, precise).state
    },

    cursorCoords: function(start, mode) {
      var pos, range = this.doc.sel.primary()
      if (start == null) { pos = range.head }
      else if (typeof start == "object") { pos = clipPos(this.doc, start) }
      else { pos = start ? range.from() : range.to() }
      return cursorCoords(this, pos, mode || "page")
    },

    charCoords: function(pos, mode) {
      return charCoords(this, clipPos(this.doc, pos), mode || "page")
    },

    coordsChar: function(coords, mode) {
      coords = fromCoordSystem(this, coords, mode || "page")
      return coordsChar(this, coords.left, coords.top)