add variable support

Author: eXceediDeaL

README.md

@@ -67,6 +67,12 @@ If you want to set current file with a existed file, use this:
 > now a.cpp
 ```
 
+Then use `edit` to open default editor to edit code:
+
+```sh
+> edit
+```
+
 Then use `run` command to run code.
 
 ```sh
@@ -92,6 +98,42 @@ Clean the compiling output and something else:
 > clean
 ```
 
+### Variables
+
+You can use builtin variables just like in bash:
+
+```sh
+echo $wdir
+```
+
+|Variable|Description|
+|-|-|
+|`wdir`|Working directory|
+|`current`|Current file|
+|`input`|Input file|
+|`output`|Output file|
+|`config`|Config file|
+
+### Commands
+
+These are builtin commands. You can use system command in `importedCommand` list.
+
+|Command|Description|
+|-|-|
+|`init`|Initialize ECR data|
+|`clear`|Clear ECR data|
+|`new [file] [-e --edit]`|Create new code file|
+|`now [file]`|Change current file|
+|`edit [file] [-n --now]`|Edit code file|
+|`run [file] [-io --io]`|Run code file|
+|`clean`|Clean temp files|
+|`pwd`|Print working directory|
+|`cd`|Change working directory|
+|`version`|Get version|
+|`cls`|Clear console|
+|`exit`|Exit|
+|`-h --help`|Get help|
+
 # Config
 
 The config files is at `.ecr/`
@@ -123,15 +165,18 @@ This file contains basic config.
     "defaultIO": "ss",
 
     // The default time limit for every step when run
-    "defaultTimeLimit": 5
+    "defaultTimeLimit": 5,
+
+    // The default editor
+    "defaultEditor": "vim"
 }
 ```
 
 ## executor.json
 
 This file gives the way to run a code file.
 
-You can use these varible in command:
+You can use these varibles in command:
 
 - `fileName` The code file name
 - `fileNameWithoutExt` The code file name without extension

setup.py

@@ -15,7 +15,7 @@ def read(*parts):
 
 setup(
     name="edl-cr",
-    version="0.0.1.4",
+    version="0.0.1.5",
     description="A CLI tool to run code",
     long_description=long_description,
     long_description_content_type="text/markdown",

src/ecr/__main__.py

@@ -47,7 +47,7 @@ def getITParser():
     cmd_clear.set_defaults(func=clear)
 
     cmd_new = subpars.add_parser("new", help="Create new code file")
-    cmd_new.add_argument("filename", nargs="?", default=None, type=str)
+    cmd_new.add_argument("file", nargs="?", default=None, type=str)
     cmd_new.add_argument("-e", "--edit", action="store_true",
                          default=False, help="Edit the file")
     cmd_new.set_defaults(func=new)
@@ -194,6 +194,7 @@ def main():  # pragma: no cover
         try:
             oricmd = str(console.inputCommand(
                 f'{shared.man.currentFile if shared.man != None and shared.man.currentFile != None else ""}{defaultPrompt}', completer=getCommandCompleter(), complete_in_thread=False))
+            oricmd = helper.formatWithVars(oricmd, shared.variables)
         except KeyboardInterrupt:
             continue
         except EOFError:

src/ecr/helper.py

@@ -1,4 +1,5 @@
 import os
+import re
 from .shared import version
 from .core import manager
 from .ui import color, console
@@ -22,3 +23,20 @@ def printHead():
     elif shared.man.state == manager.WorkManagerState.LoadFailed:
         console.write(color.useRed("ECR"), end=" ")
     console.write(shared.cwd)
+
+
+varFormatRE = re.compile(r'\$(?P<name>[a-zA-Z_]\w*)')
+
+
+def bashVarToPythonVar(m):
+    s = m.groupdict()
+    return "{" + s["name"] + "}"
+
+
+def formatWithVars(oristr, var):
+    try:
+        tmp = {k: v() for k, v in var.items()}
+        oristr = varFormatRE.sub(bashVarToPythonVar, oristr)
+        return oristr.format(**tmp)
+    except:
+        return oristr

src/ecr/shared.py

@@ -1,8 +1,16 @@
-from .core import WorkManager
+from .core import WorkManager, path
 from .ui import CLI
 
-version = "0.0.1.4"
+version = "0.0.1.5"
 
 cwd = None
 
-man: WorkManager = None
+man: WorkManager = None
+
+variables = {
+    "current": lambda: None if man == None else man.currentFile,
+    "wdir": lambda: None if man == None else man.workingDirectory,
+    "config": lambda: None if man == None else path.getConfigPath(man.workingDirectory),
+    "input": lambda: None if man == None else path.getFileInputPath(man.workingDirectory),
+    "output": lambda: None if man == None else path.getFileOutputPath(man.workingDirectory),
+}