Merge pull request #1407 from fox0430/readonly-mode

Add Readonly mode

src/moe.nim

@@ -17,6 +17,18 @@ proc loadPersistData(status: var EditorStatus) =
     currentMainWindowNode.restoreCursorPostion(currentBufStatus,
                                                status.lastPosition)
 
+proc addBufferStatus(status: var EditorStatus,
+                     parsedList: CmdParsedList) =
+
+  if parsedList.path.len > 0:
+    for path in parsedList.path:
+      if dirExists(path):
+        status.addNewBuffer(path, Mode.filer)
+      else:
+        status.addNewBuffer(path)
+  else:
+    status.addNewBuffer
+
 proc initEditor(): EditorStatus =
   let parsedList = parseCommandLineOption(commandLineParams())
 
@@ -33,14 +45,10 @@ proc initEditor(): EditorStatus =
     exitUi()
     quit())
 
-  if parsedList.len > 0:
-    for p in parsedList:
-      if dirExists(p.filename):
-        result.addNewBuffer(p.filename, Mode.filer)
-      else:
-        result.addNewBuffer(p.filename)
-  else:
-    result.addNewBuffer
+  if parsedList.isReadonly:
+    result.isReadonly = true
+
+  result.addBufferStatus(parsedList)
 
   result.loadPersistData
 

src/moepkg/bufferstatus.nim

@@ -40,6 +40,7 @@ type BufferStatus* = object
   mode* : Mode
   prevMode* : Mode
   lastSaveTime*: DateTime
+  isReadonly*: bool
 
 proc initBufferStatus*(path: seq[Rune], mode: Mode): BufferStatus {.inline.} =
   BufferStatus(isUpdate: true, path: path, mode: mode, lastSaveTime: now())

src/moepkg/cmdlineoption.nim

@@ -1,6 +1,8 @@
 import parseopt, pegs, os, strformat
 
-type CmdParsedList* = seq[tuple[filename: string]]
+type CmdParsedList* = object
+  path*: seq[string]
+  isReadonly*: bool
 
 proc staticReadVersionFromNimble: string {.compileTime.} =
   let peg = """@ "version" \s* "=" \s* \" {[0-9.]+} \" @ $""".peg
@@ -34,6 +36,7 @@ Usage:
   moe [file]       Edit file
 
 Arguments:
+  -R               Readonly mode
   -h, --help       Print this help
   -v, --version    Print version
 """
@@ -59,11 +62,12 @@ proc parseCommandLineOption*(line: seq[string]): CmdParsedList =
   for kind, key, val in parsedLine.getopt():
     case kind:
       of cmdArgument:
-        result.add((filename: key))
+        result.path.add(key)
       of cmdShortOption:
         case key:
           of "v": writeVersion()
           of "h": writeHelp()
+          of "R": result.isReadonly = true
           else: writeCmdLineError(kind, key)
       of cmdLongOption:
         case key:

src/moepkg/editorstatus.nim

@@ -31,6 +31,7 @@ type EditorStatus* = object
   autoBackupStatus*: AutoBackupStatus
   isSearchHighlight*: bool
   lastPosition*: seq[LastPosition]
+  isReadonly*: bool
 
 proc initEditorStatus*(): EditorStatus =
   result.currentDir = getCurrentDir().toRunes
@@ -723,6 +724,8 @@ proc addNewBuffer*(status: var EditorStatus, filename: string, mode: Mode) =
 
   let index = status.bufStatus.high
 
+  status.bufStatus[index].isReadonly = status.isReadonly
+
   if mode != Mode.filer:
     if not fileExists(filename):
       status.bufStatus[index].buffer = newFile()

src/moepkg/messages.nim

@@ -4,10 +4,12 @@ import color, unicodeext, settings, commandline, independentutils
 proc writeMessageOnCommandWindow*(commandLine: var CommandLine,
                                   message: string,
                                   color: EditorColorPair) {.inline.} =
+
   commandLine.updateCommandBuffer(ru message, color)
 
 proc writeMessageOnCommandWindow*(commandLine: var CommandLine,
                                   message: string) {.inline.} =
+
   commandLine.writeMessageOnCommandWindow(message, EditorColorPair.commandBar)
 
 proc writeNoWriteError*(commandLine: var CommandLine, messageLog: var seq[seq[Rune]]) =
@@ -296,3 +298,7 @@ proc writeCurrentCharInfo*(commandLine: var CommandLine, r: Rune) {.inline.} =
     eOct = int64(e[0]).toOct(5)
     mess = fmt "<{$r}>  {e[0]}  Hex {normalizeHex($eHex)}  Oct {$eOct}"
   commandLine.writeMessageOnCommandWindow(mess)
+
+proc writeReadonlyModeWarning*(commandLine: var CommandLine) {.inline.} =
+  const mess = "Warning: Readonly mode"
+  commandLine.writeMessageOnCommandWindow(mess, EditorColorPair.errorMessage)