Merge branch 'paste-indentation'

spec/app/edit-session-spec.coffee

@@ -662,7 +662,7 @@ describe "EditSession", ->
           editSession.insertText('holy cow')
           expect(editSession.lineForScreenRow(2).fold).toBeUndefined()
 
-      describe "when auto-indent is enabled", ->
+      describe "when auto-indent is enabled and the `autoIndent` option is true", ->
         beforeEach ->
           editSession.setAutoIndent(true)
 
@@ -670,81 +670,156 @@ describe "EditSession", ->
           describe "when the newline is inserted on a line that starts a new level of indentation", ->
             it "auto-indents the new line to one additional level of indentation beyond the preceding line", ->
               editSession.setCursorBufferPosition([1, Infinity])
-              editSession.insertText('\n')
+              editSession.insertText('\n', autoIndent: true)
               expect(buffer.indentationForRow(2)).toBe buffer.indentationForRow(1) + 2
 
           describe "when the newline is inserted on a normal line", ->
             it "auto-indents the new line to the same level of indentation as the preceding line", ->
               editSession.setCursorBufferPosition([5, 13])
-              editSession.insertText('\n')
+              editSession.insertText('\n', autoIndent: true)
               expect(buffer.indentationForRow(6)).toBe buffer.indentationForRow(5)
 
-        describe "when text with newlines is inserted", ->
-          describe "when the new line matches an outdent pattern", ->
-            describe "when the preceding line matches an auto-indent pattern", ->
-              it "auto-decreases the indentation of the line to match that of the preceding line", ->
-                editSession.setCursorBufferPosition([1, 30])
-                editSession.insertText '\n}'
-                expect(buffer.indentationForRow(2)).toBe 2
-
-            describe "when the preceding does not match an outo-indent pattern", ->
-              it "auto-decreases the indentation of the line to be one level below that of the preceding line", ->
-                editSession.setCursorBufferPosition([3, Infinity])
-                editSession.insertText '\n}'
-                expect(buffer.indentationForRow(4)).toBe 2
-
-          describe "when the portion of the line preceding the inserted text is blank", ->
-            it "auto-increases the indentation of the first line, then fully auto-indents the subsequent lines", ->
-              editSession.setCursorBufferPosition([5, 2])
-              editSession.insertText """
-                if (true) {
-                  console.log("It's true!")
-                }\n
-              """
-              expect(buffer.indentationForRow(5)).toBe buffer.indentationForRow(4) + 2
-              expect(buffer.indentationForRow(6)).toBe buffer.indentationForRow(5) + 2
-              expect(buffer.indentationForRow(7)).toBe buffer.indentationForRow(4) + 2
-              expect(buffer.indentationForRow(8)).toBe buffer.indentationForRow(4) + 2
-
-            describe "when the portion of the line preceding the inserted text is non-blank", ->
-              it "fully auto-indents lines subsequent to the first inserted line", ->
-                buffer.delete([[5, 0], [5, 2]])
-                editSession.setCursorBufferPosition([5, Infinity])
-                editSession.insertText """
-                   if (true) {
-                    console.log("It's true!")
-                  }
-                """
-                expect(buffer.indentationForRow(5)).toBe 4
-                expect(buffer.indentationForRow(6)).toBe 6
-                expect(buffer.indentationForRow(7)).toBe 4
-
         describe "when text without newlines is inserted", ->
           describe "when the current line matches an auto-outdent pattern", ->
             describe "when the preceding line matches an auto-indent pattern", ->
               it "auto-decreases the indentation of the line to match that of the preceding line", ->
                 editSession.setCursorBufferPosition([2, 4])
-                editSession.insertText '\n'
+                editSession.insertText('\n', autoIndent: true)
                 editSession.setCursorBufferPosition([2, 4])
                 expect(buffer.indentationForRow(2)).toBe buffer.indentationForRow(1) + 2
-                editSession.insertText '   }'
+                editSession.insertText('   }', autoIndent: true)
                 expect(buffer.indentationForRow(2)).toBe buffer.indentationForRow(1)
 
-            describe "when the preceding does not match an outo-indent pattern", ->
+            describe "when the preceding does not match an auto-indent pattern", ->
               it "auto-decreases the indentation of the line to be one level below that of the preceding line", ->
                 editSession.setCursorBufferPosition([3, Infinity])
-                editSession.insertText '\n'
+                editSession.insertText('\n', autoIndent: true)
                 expect(buffer.indentationForRow(4)).toBe buffer.indentationForRow(3)
-                editSession.insertText '   }'
+                editSession.insertText('   }', autoIndent: true)
                 expect(buffer.indentationForRow(4)).toBe buffer.indentationForRow(3) - 2
 
           describe "when the current line does not match an auto-outdent pattern", ->
             it "leaves the line unchanged", ->
               editSession.setCursorBufferPosition([2, 4])
               expect(buffer.indentationForRow(2)).toBe buffer.indentationForRow(1) + 2
-              editSession.insertText 'foo'
+              editSession.insertText('foo', autoIndent: true)
               expect(buffer.indentationForRow(2)).toBe buffer.indentationForRow(1) + 2
 
+      describe "when the `normalizeIndent` option is true", ->
+        describe "when the inserted text contains no newlines", ->
+          it "does not adjust the indentation level of the text", ->
+            editSession.setCursorBufferPosition([5, 2])
+            editSession.insertText("foo", normalizeIndent: true)
+            expect(editSession.lineForBufferRow(5)).toBe "  foo    current = items.shift();"
+
+        describe "when the inserted text contains newlines", ->
+          text = null
+          beforeEach ->
+            editSession.setCursorBufferPosition([2, Infinity])
+            text = [
+              "    while (true) {"
+              "      foo();"
+              "    }"
+              "  bar();"
+            ].join('\n')
+
+          removeLeadingWhitespace = (text) -> text.replace(/^\s*/, '')
+
+          describe "when the cursor is preceded only by whitespace", ->
+           describe "when auto-indent is enabled", ->
+              beforeEach ->
+                editSession.setAutoIndent(true)
+
+              describe "when the cursor's current column is less than the suggested indent level", ->
+                describe "when the indentBasis is inferred from the first line", ->
+                  it "indents all lines relative to the suggested indent", ->
+                    editSession.insertText('\n xx')
+                    editSession.setCursorBufferPosition([3, 1])
+                    editSession.insertText(text, normalizeIndent: true)
+
+                    expect(editSession.lineForBufferRow(3)).toBe "    while (true) {"
+                    expect(editSession.lineForBufferRow(4)).toBe "      foo();"
+                    expect(editSession.lineForBufferRow(5)).toBe "    }"
+                    expect(editSession.lineForBufferRow(6)).toBe "  bar();xx"
+
+                describe "when an indentBasis is provided", ->
+                  it "indents all lines relative to the suggested indent", ->
+                    editSession.insertText('\n xx')
+                    editSession.setCursorBufferPosition([3, 1])
+                    editSession.insertText(removeLeadingWhitespace(text), normalizeIndent: true, indentBasis: 4)
+
+                    expect(editSession.lineForBufferRow(3)).toBe "    while (true) {"
+                    expect(editSession.lineForBufferRow(4)).toBe "      foo();"
+                    expect(editSession.lineForBufferRow(5)).toBe "    }"
+                    expect(editSession.lineForBufferRow(6)).toBe "  bar();xx"
+
+              describe "when the cursor's current column is greater than the suggested indent level", ->
+                describe "when the indentBasis is inferred from the first line", ->
+                  it "preserves the current indent level, indenting all lines relative to it", ->
+                    editSession.insertText('\n      ')
+                    editSession.insertText(text, normalizeIndent: true)
+
+                    expect(editSession.lineForBufferRow(3)).toBe "      while (true) {"
+                    expect(editSession.lineForBufferRow(4)).toBe "        foo();"
+                    expect(editSession.lineForBufferRow(5)).toBe "      }"
+                    expect(editSession.lineForBufferRow(6)).toBe "    bar();"
+
+                describe "when an indentBasis is provided", ->
+                  it "preserves the current indent level, indenting all lines relative to it", ->
+                    editSession.insertText('\n      ')
+                    editSession.insertText(removeLeadingWhitespace(text), normalizeIndent: true, indentBasis: 4)
+
+                    expect(editSession.lineForBufferRow(3)).toBe "      while (true) {"
+                    expect(editSession.lineForBufferRow(4)).toBe "        foo();"
+                    expect(editSession.lineForBufferRow(5)).toBe "      }"
+                    expect(editSession.lineForBufferRow(6)).toBe "    bar();"
+
+            describe "if auto-indent is disabled", ->
+              beforeEach ->
+                expect(editSession.autoIndent).toBeFalsy()
+
+              describe "when the indentBasis is inferred from the first line", ->
+                it "always normalizes indented lines to the cursor's current indentation level", ->
+                  editSession.insertText('\n ')
+                  editSession.insertText(text, normalizeIndent: true)
+
+                  expect(editSession.lineForBufferRow(3)).toBe " while (true) {"
+                  expect(editSession.lineForBufferRow(4)).toBe "   foo();"
+                  expect(editSession.lineForBufferRow(5)).toBe " }"
+                  expect(editSession.lineForBufferRow(6)).toBe "bar();"
+
+              describe "when an indentBasis is provided", ->
+                it "always normalizes indented lines to the cursor's current indentation level", ->
+                  editSession.insertText('\n ')
+                  editSession.insertText(removeLeadingWhitespace(text), normalizeIndent: true, indentBasis: 4)
+
+                  expect(editSession.lineForBufferRow(3)).toBe " while (true) {"
+                  expect(editSession.lineForBufferRow(4)).toBe "   foo();"
+                  expect(editSession.lineForBufferRow(5)).toBe " }"
+
+          describe "when the cursor is preceded by non-whitespace characters", ->
+            describe "when the indentBasis is inferred from the first line", ->
+              it "normalizes the indentation level of all lines based on the level of the existing first line", ->
+                editSession.setAutoIndent(true)
+                editSession.buffer.delete([[2, 0], [2, 2]])
+                editSession.insertText(text, normalizeIndent:true)
+
+                expect(editSession.lineForBufferRow(2)).toBe "  if (items.length <= 1) return items;while (true) {"
+                expect(editSession.lineForBufferRow(3)).toBe "    foo();"
+                expect(editSession.lineForBufferRow(4)).toBe "  }"
+                expect(editSession.lineForBufferRow(5)).toBe "bar();"
+
+            describe "when an indentBasis is provided", ->
+              it "normalizes the indentation level of all lines based on the level of the existing first line", ->
+                editSession.setAutoIndent(true)
+                editSession.buffer.delete([[2, 0], [2, 2]])
+                editSession.insertText(removeLeadingWhitespace(text), normalizeIndent:true, indentBasis: 4)
+
+                expect(editSession.lineForBufferRow(2)).toBe "  if (items.length <= 1) return items;while (true) {"
+                expect(editSession.lineForBufferRow(3)).toBe "    foo();"
+                expect(editSession.lineForBufferRow(4)).toBe "  }"
+                expect(editSession.lineForBufferRow(5)).toBe "bar();"
+
     describe ".insertNewline()", ->
       describe "when there is a single cursor", ->
         describe "when the cursor is at the beginning of a line", ->
@@ -1253,6 +1328,18 @@ describe "EditSession", ->
           expect(editSession.buffer.lineForRow(0)).toBe "var first = function () {"
           expect(buffer.lineForRow(1)).toBe "  var first = function(items) {"
 
+      it "preserves the indent level when copying and pasting multiple lines", ->
+        editSession.setAutoIndent(true)
+        editSession.setSelectedBufferRange([[4, 4], [7, 5]])
+        editSession.copySelectedText()
+        editSession.setCursorBufferPosition([10, 0])
+        editSession.pasteText()
+
+        expect(editSession.lineForBufferRow(10)).toBe "  while(items.length > 0) {"
+        expect(editSession.lineForBufferRow(11)).toBe "    current = items.shift();"
+        expect(editSession.lineForBufferRow(12)).toBe "    current < pivot ? left.push(current) : right.push(current);"
+        expect(editSession.lineForBufferRow(13)).toBe "  }"
+
     describe ".indentSelectedRows()", ->
       beforeEach ->
         editSession.tabLength = 2

spec/app/language-mode-spec.coffee

@@ -180,6 +180,14 @@ describe "LanguageMode", ->
           expect(languageMode.rowRangeForFoldAtBufferRow(2)).toBeNull()
           expect(languageMode.rowRangeForFoldAtBufferRow(4)).toEqual [4, 7]
 
+    describe "suggestedIndentForBufferRow", ->
+      it "returns the suggested indentation based on auto-indent/outdent rules", ->
+        expect(languageMode.suggestedIndentForBufferRow(0)).toBe 0
+        expect(languageMode.suggestedIndentForBufferRow(1)).toBe 2
+        expect(languageMode.suggestedIndentForBufferRow(2)).toBe 4
+        expect(languageMode.suggestedIndentForBufferRow(9)).toBe 2
+
+
   describe "coffeescript", ->
     beforeEach ->
       editSession = fixturesProject.buildEditSessionForPath('coffee.coffee', autoIndent: false)

spec/app/pasteboard-spec.coffee

@@ -0,0 +1,17 @@
+describe "Pasteboard", ->
+  nativePasteboard = null
+  beforeEach ->
+    nativePasteboard = 'first'
+    spyOn($native, 'writeToPasteboard').andCallFake (text) -> nativePasteboard = text
+    spyOn($native, 'readFromPasteboard').andCallFake -> nativePasteboard
+
+  describe "write(text, metadata) and read()", ->
+    it "writes and reads text to/from the native pasteboard", ->
+      expect(pasteboard.read()).toEqual ['first']
+      pasteboard.write('next')
+      expect(nativePasteboard).toBe 'next'
+
+    it "returns metadata if the item on the native pasteboard matches the last written item", ->
+      pasteboard.write('next', {meta: 'data'})
+      expect(nativePasteboard).toBe 'next'
+      expect(pasteboard.read()).toEqual ['next', {meta: 'data'}]

src/app/cursor.coffee

@@ -45,9 +45,15 @@ class Cursor
   getScreenRow: ->
     @getScreenPosition().row
 
+  getScreenColumn: ->
+    @getScreenPosition().column
+
   getBufferRow: ->
     @getBufferPosition().row
 
+  getBufferColumn: ->
+    @getBufferPosition().column
+
   getCurrentBufferLine: ->
     @editSession.lineForBufferRow(@getBufferRow())
 

src/app/edit-session.coffee

@@ -143,7 +143,7 @@ class EditSession
     @mutateSelectedText (selection) -> selection.insertText(text, options)
 
   insertNewline: ->
-    @insertText('\n')
+    @insertText('\n', autoIndent: true)
 
   insertNewlineBelow: ->
     @moveCursorToEndOfLine()
@@ -202,7 +202,8 @@ class EditSession
       maintainPasteboard = true
 
   pasteText: ->
-    @insertText($native.readFromPasteboard())
+    [text, metadata] = pasteboard.read()
+    @insertText(text, _.extend(metadata ? {}, normalizeIndent: true))
 
   undo: ->
     @buffer.undo(this)
@@ -257,6 +258,9 @@ class EditSession
   largestFoldStartingAtScreenRow: (screenRow) ->
     @displayBuffer.largestFoldStartingAtScreenRow(screenRow)
 
+  suggestedIndentForBufferRow: (bufferRow) ->
+    @languageMode.suggestedIndentForBufferRow(bufferRow)
+
   autoIndentBufferRows: (startRow, endRow) ->
     @languageMode.autoIndentBufferRows(startRow, endRow)
 

src/app/editor.coffee

@@ -214,7 +214,7 @@ class Editor extends View
   deleteToEndOfWord: -> @activeEditSession.deleteToEndOfWord()
   deleteLine: -> @activeEditSession.deleteLine()
   cutToEndOfLine: -> @activeEditSession.cutToEndOfLine()
-  insertText: (text) -> @activeEditSession.insertText(text)
+  insertText: (text, options) -> @activeEditSession.insertText(text, options)
   insertNewline: -> @activeEditSession.insertNewline()
   insertNewlineBelow: -> @activeEditSession.insertNewlineBelow()
   indent: -> @activeEditSession.indent()
@@ -327,7 +327,7 @@ class Editor extends View
       @selectOnMousemoveUntilMouseup()
 
     @on "textInput", (e) =>
-      @insertText(e.originalEvent.data)
+      @insertText(e.originalEvent.data, autoIndent: true)
       false
 
     @scrollView.on 'mousewheel', (e) =>

src/app/language-mode.coffee

@@ -97,6 +97,25 @@ class LanguageMode
 
     [bufferRow, foldEndRow]
 
+  suggestedIndentForBufferRow: (bufferRow) ->
+    currentIndentation = @buffer.indentationForRow(bufferRow)
+    scopes = @tokenizedBuffer.scopesForPosition([bufferRow, 0])
+    return currentIndentation unless increaseIndentPattern = TextMateBundle.indentRegexForScope(scopes[0])
+
+    currentLine = @buffer.lineForRow(bufferRow)
+    precedingRow = @buffer.previousNonBlankRow(bufferRow)
+    return currentIndentation unless precedingRow?
+
+    precedingLine = @buffer.lineForRow(precedingRow)
+
+    desiredIndentation = @buffer.indentationForRow(precedingRow)
+    desiredIndentation += @editSession.tabLength if increaseIndentPattern.test(precedingLine)
+
+    return desiredIndentation unless decreaseIndentPattern = TextMateBundle.outdentRegexForScope(scopes[0])
+    desiredIndentation -= @editSession.tabLength if decreaseIndentPattern.test(currentLine)
+
+    Math.max(desiredIndentation, currentIndentation)
+
   autoIndentBufferRows: (startRow, endRow) ->
     @autoIndentBufferRow(row) for row in [startRow..endRow]
 

src/app/pasteboard.coffee

@@ -0,0 +1,16 @@
+{hex_md5} = require 'md5'
+
+module.exports =
+class Pasteboard
+  signatureForMetadata: null
+
+  write: (text, metadata) ->
+    @signatureForMetadata = hex_md5(text)
+    @metadata = metadata
+    $native.writeToPasteboard(text)
+
+  read: ->
+    text = $native.readFromPasteboard()
+    value = [text]
+    value.push(@metadata) if @signatureForMetadata == hex_md5(text)
+    value

src/app/selection.coffee

@@ -137,23 +137,59 @@ class Selection
     oldBufferRange = @getBufferRange()
     @editSession.destroyFoldsContainingBufferRow(oldBufferRange.end.row)
     wasReversed = @isReversed()
+    text = @normalizeIndent(text, options) if options.normalizeIndent
     @clear()
     newBufferRange = @editSession.buffer.change(oldBufferRange, text)
     @cursor.setBufferPosition(newBufferRange.end, skipAtomicTokens: true) if wasReversed
 
-    autoIndent = options.autoIndent ? true
+    if @editSession.autoIndent and options.autoIndent
-
+      if text == '\n'
-    if @editSession.autoIndent and autoIndent
+        @editSession.autoIndentBufferRow(newBufferRange.end.row)
-      if /\n/.test(text)
-        firstLinePrefix = @editSession.getTextInBufferRange([[newBufferRange.start.row, 0], newBufferRange.start])
-        if /^\s*$/.test(firstLinePrefix)
-          @editSession.autoIncreaseIndentForBufferRow(newBufferRange.start.row)
-
-        if newBufferRange.getRowCount() > 1
-          @editSession.autoIndentBufferRows(newBufferRange.start.row + 1, newBufferRange.end.row)
       else
         @editSession.autoDecreaseIndentForRow(newBufferRange.start.row)
 
+  normalizeIndent: (text, options) ->
+    return text unless /\n/.test(text)
+
+    currentBufferRow = @cursor.getBufferRow()
+    currentBufferColumn = @cursor.getBufferColumn()
+    lines = text.split('\n')
+    currentBasis = options.indentBasis ? lines[0].match(/\s*/)[0].length
+    lines[0] = lines[0].replace(/^\s*/, '') # strip leading space from first line
+
+    normalizedLines = []
+
+    textPrecedingCursor = @editSession.buffer.getTextInRange([[currentBufferRow, 0], [currentBufferRow, currentBufferColumn]])
+    insideExistingLine = textPrecedingCursor.match(/\S/)
+
+    if insideExistingLine
+      desiredBasis = @editSession.indentationForBufferRow(currentBufferRow)
+    else if @editSession.autoIndent
+      desiredBasis = @editSession.suggestedIndentForBufferRow(currentBufferRow)
+    else
+      desiredBasis = currentBufferColumn
+
+    for line, i in lines
+      if i == 0
+        if insideExistingLine
+          delta = 0
+        else
+          delta = desiredBasis - currentBufferColumn
+      else
+        delta = desiredBasis - currentBasis
+
+      normalizedLines.push(@adjustIndentationForLine(line, delta))
+
+    normalizedLines.join('\n')
+
+  adjustIndentationForLine: (line, delta) ->
+    if delta > 0
+      new Array(delta + 1).join(' ') + line
+    else if delta < 0
+      line.replace(new RegExp("^ {0,#{Math.abs(delta)}}"), '')
+    else
+      line
+
   backspace: ->
     if @isEmpty() and not @editSession.isFoldedAtScreenRow(@cursor.getScreenRow())
       if @cursor.isAtBeginningOfLine() and @editSession.isFoldedAtScreenRow(@cursor.getScreenRow() - 1)
@@ -233,8 +269,13 @@ class Selection
   copy: (maintainPasteboard=false) ->
     return if @isEmpty()
     text = @editSession.buffer.getTextInRange(@getBufferRange())
-    text = $native.readFromPasteboard() + "\n" + text if maintainPasteboard
+    if maintainPasteboard
-    $native.writeToPasteboard text
+      [currentText, metadata] = pasteboard.read()
+      text = currentText + '\n' + text
+    else
+      metadata = { indentBasis: @editSession.indentationForBufferRow(@getBufferRange().start.row) }
+
+    pasteboard.write(text, metadata)
 
   fold: ->
     range = @getBufferRange()

src/app/window.coffee

@@ -9,6 +9,7 @@ _ = require 'underscore'
 $ = require 'jquery'
 {CoffeeScript} = require 'coffee-script'
 RootView = require 'root-view'
+Pasteboard = require 'pasteboard'
 require 'jquery-extensions'
 require 'underscore-extensions'
 
@@ -24,6 +25,7 @@ windowAdditions =
     TextMateBundle.loadAll()
     TextMateTheme.loadAll()
     @setUpKeymap()
+    @pasteboard = new Pasteboard
     $(window).on 'core:close', => @close()
 
   # This method is intended only to be run when starting a normal application

vendor/md5.js

@@ -0,0 +1,391 @@
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
+ * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
+ * Distributed under the BSD License
+ * See http://pajhome.org.uk/crypt/md5 for more info.
+ */
+
+/*
+ * Configurable variables. You may need to tweak these to be compatible with
+ * the server-side, but the defaults work in most cases.
+ */
+var hexcase = 0;   /* hex output format. 0 - lowercase; 1 - uppercase        */
+var b64pad  = "";  /* base-64 pad character. "=" for strict RFC compliance   */
+
+/*
+ * These are the functions you'll usually want to call
+ * They take string arguments and return either hex or base-64 encoded strings
+ */
+function hex_md5(s)    { return rstr2hex(rstr_md5(str2rstr_utf8(s))); }
+function b64_md5(s)    { return rstr2b64(rstr_md5(str2rstr_utf8(s))); }
+function any_md5(s, e) { return rstr2any(rstr_md5(str2rstr_utf8(s)), e); }
+function hex_hmac_md5(k, d)
+  { return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
+function b64_hmac_md5(k, d)
+  { return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d))); }
+function any_hmac_md5(k, d, e)
+  { return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e); }
+
+// Modified by Nathan Sobo to integrate into Atom's module system
+module.exports = {
+  hex_md5: hex_md5,
+  b64_md5: b64_md5,
+  any_md5: any_md5,
+  hex_hmac_md5: hex_hmac_md5,
+  rstr2hex: rstr2hex,
+  b64_hmac_md5: b64_hmac_md5,
+  rstr2b64: rstr2b64,
+  any_hmac_md5: any_hmac_md5
+};
+
+/*
+ * Perform a simple self-test to see if the VM is working
+ */
+function md5_vm_test()
+{
+  return hex_md5("abc").toLowerCase() == "900150983cd24fb0d6963f7d28e17f72";
+}
+
+/*
+ * Calculate the MD5 of a raw string
+ */
+function rstr_md5(s)
+{
+  return binl2rstr(binl_md5(rstr2binl(s), s.length * 8));
+}
+
+/*
+ * Calculate the HMAC-MD5, of a key and some data (raw strings)
+ */
+function rstr_hmac_md5(key, data)
+{
+  var bkey = rstr2binl(key);
+  if(bkey.length > 16) bkey = binl_md5(bkey, key.length * 8);
+
+  var ipad = Array(16), opad = Array(16);
+  for(var i = 0; i < 16; i++)
+  {
+    ipad[i] = bkey[i] ^ 0x36363636;
+    opad[i] = bkey[i] ^ 0x5C5C5C5C;
+  }
+
+  var hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
+  return binl2rstr(binl_md5(opad.concat(hash), 512 + 128));
+}
+
+/*
+ * Convert a raw string to a hex string
+ */
+function rstr2hex(input)
+{
+  try { hexcase } catch(e) { hexcase=0; }
+  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
+  var output = "";
+  var x;
+  for(var i = 0; i < input.length; i++)
+  {
+    x = input.charCodeAt(i);
+    output += hex_tab.charAt((x >>> 4) & 0x0F)
+           +  hex_tab.charAt( x        & 0x0F);
+  }
+  return output;
+}
+
+/*
+ * Convert a raw string to a base-64 string
+ */
+function rstr2b64(input)
+{
+  try { b64pad } catch(e) { b64pad=''; }
+  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+  var output = "";
+  var len = input.length;
+  for(var i = 0; i < len; i += 3)
+  {
+    var triplet = (input.charCodeAt(i) << 16)
+                | (i + 1 < len ? input.charCodeAt(i+1) << 8 : 0)
+                | (i + 2 < len ? input.charCodeAt(i+2)      : 0);
+    for(var j = 0; j < 4; j++)
+    {
+      if(i * 8 + j * 6 > input.length * 8) output += b64pad;
+      else output += tab.charAt((triplet >>> 6*(3-j)) & 0x3F);
+    }
+  }
+  return output;
+}
+
+/*
+ * Convert a raw string to an arbitrary string encoding
+ */
+function rstr2any(input, encoding)
+{
+  var divisor = encoding.length;
+  var i, j, q, x, quotient;
+
+  /* Convert to an array of 16-bit big-endian values, forming the dividend */
+  var dividend = Array(Math.ceil(input.length / 2));
+  for(i = 0; i < dividend.length; i++)
+  {
+    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
+  }
+
+  /*
+   * Repeatedly perform a long division. The binary array forms the dividend,
+   * the length of the encoding is the divisor. Once computed, the quotient
+   * forms the dividend for the next step. All remainders are stored for later
+   * use.
+   */
+  var full_length = Math.ceil(input.length * 8 /
+                                    (Math.log(encoding.length) / Math.log(2)));
+  var remainders = Array(full_length);
+  for(j = 0; j < full_length; j++)
+  {
+    quotient = Array();
+    x = 0;
+    for(i = 0; i < dividend.length; i++)
+    {
+      x = (x << 16) + dividend[i];
+      q = Math.floor(x / divisor);
+      x -= q * divisor;
+      if(quotient.length > 0 || q > 0)
+        quotient[quotient.length] = q;
+    }
+    remainders[j] = x;
+    dividend = quotient;
+  }
+
+  /* Convert the remainders to the output string */
+  var output = "";
+  for(i = remainders.length - 1; i >= 0; i--)
+    output += encoding.charAt(remainders[i]);
+
+  return output;
+}
+
+/*
+ * Encode a string as utf-8.
+ * For efficiency, this assumes the input is valid utf-16.
+ */
+function str2rstr_utf8(input)
+{
+  var output = "";
+  var i = -1;
+  var x, y;
+
+  while(++i < input.length)
+  {
+    /* Decode utf-16 surrogate pairs */
+    x = input.charCodeAt(i);
+    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
+    if(0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF)
+    {
+      x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
+      i++;
+    }
+
+    /* Encode output as utf-8 */
+    if(x <= 0x7F)
+      output += String.fromCharCode(x);
+    else if(x <= 0x7FF)
+      output += String.fromCharCode(0xC0 | ((x >>> 6 ) & 0x1F),
+                                    0x80 | ( x         & 0x3F));
+    else if(x <= 0xFFFF)
+      output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
+                                    0x80 | ((x >>> 6 ) & 0x3F),
+                                    0x80 | ( x         & 0x3F));
+    else if(x <= 0x1FFFFF)
+      output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
+                                    0x80 | ((x >>> 12) & 0x3F),
+                                    0x80 | ((x >>> 6 ) & 0x3F),
+                                    0x80 | ( x         & 0x3F));
+  }
+  return output;
+}
+
+/*
+ * Encode a string as utf-16
+ */
+function str2rstr_utf16le(input)
+{
+  var output = "";
+  for(var i = 0; i < input.length; i++)
+    output += String.fromCharCode( input.charCodeAt(i)        & 0xFF,
+                                  (input.charCodeAt(i) >>> 8) & 0xFF);
+  return output;
+}
+
+function str2rstr_utf16be(input)
+{
+  var output = "";
+  for(var i = 0; i < input.length; i++)
+    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xFF,
+                                   input.charCodeAt(i)        & 0xFF);
+  return output;
+}
+
+/*
+ * Convert a raw string to an array of little-endian words
+ * Characters >255 have their high-byte silently ignored.
+ */
+function rstr2binl(input)
+{
+  var output = Array(input.length >> 2);
+  for(var i = 0; i < output.length; i++)
+    output[i] = 0;
+  for(var i = 0; i < input.length * 8; i += 8)
+    output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (i%32);
+  return output;
+}
+
+/*
+ * Convert an array of little-endian words to a string
+ */
+function binl2rstr(input)
+{
+  var output = "";
+  for(var i = 0; i < input.length * 32; i += 8)
+    output += String.fromCharCode((input[i>>5] >>> (i % 32)) & 0xFF);
+  return output;
+}
+
+/*
+ * Calculate the MD5 of an array of little-endian words, and a bit length.
+ */
+function binl_md5(x, len)
+{
+  /* append padding */
+  x[len >> 5] |= 0x80 << ((len) % 32);
+  x[(((len + 64) >>> 9) << 4) + 14] = len;
+
+  var a =  1732584193;
+  var b = -271733879;
+  var c = -1732584194;
+  var d =  271733878;
+
+  for(var i = 0; i < x.length; i += 16)
+  {
+    var olda = a;
+    var oldb = b;
+    var oldc = c;
+    var oldd = d;
+
+    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
+    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
+    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
+    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
+    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
+    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
+    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
+    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
+    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
+    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
+    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
+    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
+    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
+    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
+    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
+    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);
+
+    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
+    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
+    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
+    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
+    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
+    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
+    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
+    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
+    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
+    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
+    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
+    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
+    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
+    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
+    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
+    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
+
+    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
+    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
+    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
+    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
+    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
+    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
+    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
+    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
+    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
+    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
+    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
+    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
+    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
+    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
+    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
+    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
+
+    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
+    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
+    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
+    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
+    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
+    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
+    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
+    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
+    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
+    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
+    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
+    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
+    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
+    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
+    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
+    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
+
+    a = safe_add(a, olda);
+    b = safe_add(b, oldb);
+    c = safe_add(c, oldc);
+    d = safe_add(d, oldd);
+  }
+  return Array(a, b, c, d);
+}
+
+/*
+ * These functions implement the four basic operations the algorithm uses.
+ */
+function md5_cmn(q, a, b, x, s, t)
+{
+  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
+}
+function md5_ff(a, b, c, d, x, s, t)
+{
+  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
+}
+function md5_gg(a, b, c, d, x, s, t)
+{
+  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
+}
+function md5_hh(a, b, c, d, x, s, t)
+{
+  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
+}
+function md5_ii(a, b, c, d, x, s, t)
+{
+  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally
+ * to work around bugs in some JS interpreters.
+ */
+function safe_add(x, y)
+{
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return (msw << 16) | (lsw & 0xFFFF);
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left.
+ */
+function bit_rol(num, cnt)
+{
+  return (num << cnt) | (num >>> (32 - cnt));
+}