copty misc/cells to lib_src

Author: aminya

lib_src/misc/cells.js

@@ -0,0 +1,109 @@
+'use babel'
+
+import { get as weaveGet,
+         moveNext as weaveMoveNext,
+         movePrev as weaveMovePrev } from './weave.js'
+
+import { getLine } from './blocks.js'
+
+import { Point } from 'atom'
+
+export function getRange (ed) {
+  // Cell range is:
+  //  Start of line below top delimiter (and/or start of top row of file) to
+  //  End of line before end delimiter
+  var buffer = ed.getBuffer()
+  var start = buffer.getFirstPosition()
+  var end = buffer.getEndPosition()
+  var regexString = '^(' + atom.config.get('julia-client.uiOptions.cellDelimiter').join('|') + ')'
+  var regex = new RegExp(regexString)
+  var cursor = ed.getCursorBufferPosition()
+  cursor.column = Infinity // cursor on delimiter line means eval cell below
+
+
+  let foundDelim = false
+  for (let i = cursor.row + 1; i <= ed.getLastBufferRow(); i++) {
+    let {line, scope} = getLine(ed, i)
+    foundDelim = regex.test(line) && scope.join('.').indexOf('comment.line') > -1
+    end.row = i
+    if (foundDelim) break
+  }
+
+  if (foundDelim) {
+    end.row -= 1
+    if (end.row < 0) end.row = 0
+    end.column = Infinity
+  }
+
+  foundDelim = false
+  if (cursor.row > 0) {
+    for (let i = end.row; i >= 0; i--) {
+      let {line, scope} = getLine(ed, i)
+      foundDelim = regex.test(line) && scope.join('.').indexOf('comment.line') > -1
+      start.row = i
+      if (foundDelim) {
+        break
+      }
+    }
+    start.column = 0
+  }
+
+  return [start, end]
+}
+
+export function get (ed) {
+  if (ed.getGrammar().scopeName.indexOf('source.julia') > -1) {
+    return jlGet(ed)
+  } else {
+    return weaveGet(ed)
+  }
+}
+
+function jlGet (ed) {
+  var range = getRange(ed)
+  var text = ed.getTextInBufferRange(range)
+  if (text.trim() === '') text = ' '
+  var res = {
+    range: [[range[0].row, range[0].column], [range[1].row, range[1].column]],
+    selection: ed.getSelections()[0],
+    line: range[0].row,
+    text: text
+  }
+  return [res]
+}
+
+export function moveNext (ed) {
+  if (ed == null) {
+    ed = atom.workspace.getActiveTextEditor()
+  }
+  if (ed.getGrammar().scopeName.indexOf('source.julia') > -1) {
+    return jlMoveNext(ed)
+  } else {
+    return weaveMoveNext(ed)
+  }
+}
+
+function jlMoveNext (ed) {
+  var range = getRange(ed)
+  var sel = ed.getSelections()[0]
+  var nextRow = range[1].row + 2 // 2 = 1 to get to delimiter line + 1 more to go past it
+  return sel.setBufferRange([[nextRow, 0], [nextRow, 0]])
+}
+
+export function movePrev (ed) {
+  if (ed == null) {
+    ed = atom.workspace.getActiveTextEditor()
+  }
+  if (ed.getGrammar().scopeName.indexOf('source.weave') > -1) {
+    return weaveMovePrev(ed)
+  } else {
+    return jlMovePrev(ed)
+  }
+}
+
+function jlMovePrev (ed) {
+  var range = getRange(ed)
+  var prevRow = range[0].row - 2 // 2 = 1 to get to delimiter line + 1 more to go past it
+  var sel = ed.getSelections()[0]
+  return sel.setBufferRange([[prevRow, 0], [prevRow, 0]])
+}