Update tparscfg.nim

tests/stdlib/tparscfg.nim

@@ -1,25 +1,37 @@
+import parsecfg
 
-import
-  os, parsecfg, strutils, streams
+## Creating a configuration file.
+var dict1=newConfig()
+dict1.setSectionKey("","charset","utf-8")
+dict1.setSectionKey("Package","name","hello")
+dict1.setSectionKey("Package","--threads","on")
+dict1.setSectionKey("Author","name","lihf8515")
+dict1.setSectionKey("Author","qq","10214028")
+dict1.setSectionKey("Author","email","lihaifeng@wxm.com")
+dict1.writeConfig("config.ini")
+
+## Reading a configuration file.
+var dict2 = loadConfig("config.ini")
+var charset = dict2.getSectionValue("","charset")
+var threads = dict2.getSectionValue("Package","--threads")
+var pname = dict2.getSectionValue("Package","name")
+var name = dict2.getSectionValue("Author","name")
+var qq = dict2.getSectionValue("Author","qq")
+var email = dict2.getSectionValue("Author","email")
+echo charset
+echo threads
+echo pname
+echo name
+echo qq
+echo email
+
+## Modifying a configuration file.
+var dict3 = loadConfig("config.ini")
+dict3.setSectionKey("Author","name","lhf")
+dict3.writeConfig("config.ini")
+
+## Deleting a section key in a configuration file.
+var dict4 = loadConfig("config.ini")
+dict4.delSectionKey("Author","email")
+dict4.writeConfig("config.ini")
 
-var f = newFileStream(paramStr(1), fmRead)
-if f != nil:
-  var p: TCfgParser
-  open(p, f, paramStr(1))
-  while true:
-    var e = next(p)
-    case e.kind
-    of cfgEof:
-      echo("EOF!")
-      break
-    of cfgSectionStart:   ## a ``[section]`` has been parsed
-      echo("new section: " & e.section)
-    of cfgKeyValuePair:
-      echo("key-value-pair: " & e.key & ": " & e.value)
-    of cfgOption:
-      echo("command: " & e.key & ": " & e.value)
-    of cfgError:
-      echo(e.msg)
-  close(p)
-else:
-  echo("cannot open: " & paramStr(1))