* Added help output

* Added command line parsing

URestemplateApp.pas

@@ -54,7 +54,8 @@ type
     procedure CmdHighlight(AData: String);
     procedure ProcessCall(AURL: String);
     //Helper
-    procedure ListProfiles;
+    procedure WriteHelp;
+    procedure ListTemplates;
     procedure WriteContent;
   public
     constructor Create; overload;
@@ -64,7 +65,7 @@ type
 implementation
 
 uses
-  strutils, crt, UCRTHelper, fpjson, DOM, XMLRead, XMLWrite;
+  strutils, crt, UCRTHelper, fpjson, DOM, XMLRead, XMLWrite, vinfo;
 
 type
   TContentType = (ctOther, ctJSON, ctXML);
@@ -90,17 +91,24 @@ var
   data: TextFile;
   commandMode: Boolean;
 begin
-  templateFile := FTemplateDir + ParamStr(1) + '.rest';
-
-  if ParamCount <> 1 then
+  if HasOption('l', 'list') then
   begin
-    Writeln('Usage: ', ExtractFileName(ParamStr(0)), ' <profile or file>');
-    Writeln;
-    ListProfiles;
-    Halt(0);
+    ListTemplates;
+    Terminate;
+    Exit;
   end;
 
-  if FileExists(ParamStr(1)) then
+  if HasOption('h', 'help') or (ParamCount < 1) or
+    (ParamStr(ParamCount)[1] = '-') then
+  begin
+    WriteHelp;
+    Terminate;
+    Exit;
+  end;
+
+  templateFile := FTemplateDir + ParamStr(ParamCount) + '.rest';
+
+  if FileExists(ParamStr(ParamCount)) then
   begin
     AssignFile(data, ParamStr(1));
     FTemplateName := ExtractFileName(ParamStr(1));
@@ -110,11 +118,12 @@ begin
   if FileExists(templateFile) then
   begin
     AssignFile(data, templateFile);
-    FTemplateName := ParamStr(1);
+    FTemplateName := ParamStr(ParamCount);
   end else
   begin
-    writeln('Template not found!');
-    Halt(1);
+    writeln('Template ', ParamStr(ParamCount), ' not found!');
+    Terminate;
+    Exit;
   end;
   Reset(data);
 
@@ -345,11 +354,30 @@ begin
   request.Free;
 end;
 
-procedure TRestemplateApplication.ListProfiles;
+procedure TRestemplateApplication.WriteHelp;
+begin
+  NormVideo;
+  TextColor(Green);
+  Writeln('restemplate ', VersionInfo.GetProductVersionString);
+  Writeln('Copyright (c) ', VersionInfo.GetCopyright(False));
+  NormVideo;
+  Writeln;
+  Writeln('Usage: ', ExtractFileName(ExeName), ' [options] <template>');
+  Writeln;
+  Writeln('Tempate can be either a filename or a known template.');
+  Writeln;
+  Writeln('Options:');
+  Writeln('  -l --list');
+  Writeln('    Print a list of known templates.');
+  Writeln('  -h --help');
+  Writeln('    Print this help screen.');
+end;
+
+procedure TRestemplateApplication.ListTemplates;
 var
   sr: TSearchRec;
 begin
-  Writeln('Known profiles:');
+  Writeln('Known Templates:');
   if FindFirst(FTemplateDir + '*.rest', faAnyFile, sr) = 0 then
   begin
     repeat

restemplate.lpi

@@ -57,7 +57,7 @@
         <FormatVersion Value="1"/>
       </local>
     </RunParams>
-    <Units Count="4">
+    <Units Count="5">
       <Unit0>
         <Filename Value="restemplate.pas"/>
         <IsPartOfProject Value="True"/>
@@ -74,6 +74,10 @@
         <Filename Value="URestemplateApp.pas"/>
         <IsPartOfProject Value="True"/>
       </Unit3>
+      <Unit4>
+        <Filename Value="vinfo.pas"/>
+        <IsPartOfProject Value="True"/>
+      </Unit4>
     </Units>
   </ProjectOptions>
   <CompilerOptions>

restemplate.pas

@@ -22,7 +22,7 @@ program restemplate;
 {$mode objfpc}{$H+}
 
 uses
-  URestemplateApp, UFilter, UCRTHelper;
+  URestemplateApp, UFilter, UCRTHelper, vinfo;
 
 {$R *.res}
 

vinfo.pas

@@ -0,0 +1,137 @@
+unit vinfo;
+
+{$mode objfpc}
+
+interface
+
+uses
+  Classes, SysUtils, resource, versiontypes, versionresource;
+
+type
+  TVersionPrecision = 1..4;
+
+  { TVersionInfo }
+
+  TVersionInfo = class
+  private
+    FVersResource: TVersionResource;
+    function GetFixedInfo: TVersionFixedInfo;
+    function GetStringFileInfo: TVersionStringFileInfo;
+    function GetVarFileInfo: TVersionVarFileInfo;
+  public
+    constructor Create;
+    destructor Destroy; override;
+
+    procedure Load(Instance: THandle);
+    property FixedInfo: TVersionFixedInfo read GetFixedInfo;
+    property StringFileInfo: TVersionStringFileInfo read GetStringFileInfo;
+    property VarFileInfo: TVersionVarFileInfo read GetVarFileInfo;
+
+    //Helper functions
+    function GetProductVersionString(AMinPrecision: TVersionPrecision = 2): String;
+    function GetCopyright(ALong: Boolean = false): String;
+    procedure PrintStringFileInfo;
+  end;
+
+var
+  VersionInfo: TVersionInfo;
+
+implementation
+
+{ TVersionInfo }
+
+function TVersionInfo.GetFixedInfo: TVersionFixedInfo;
+begin
+  Result := FVersResource.FixedInfo;
+end;
+
+function TVersionInfo.GetStringFileInfo: TVersionStringFileInfo;
+begin
+  Result := FVersResource.StringFileInfo;
+end;
+
+function TVersionInfo.GetVarFileInfo: TVersionVarFileInfo;
+begin
+  Result := FVersResource.VarFileInfo;
+end;
+
+constructor TVersionInfo.Create;
+begin
+  inherited Create;
+  FVersResource := TVersionResource.Create;
+end;
+
+destructor TVersionInfo.Destroy;
+begin
+  FVersResource.Free;
+  inherited Destroy;
+end;
+
+procedure TVersionInfo.Load(Instance: THandle);
+var
+  Stream: TResourceStream;
+begin
+  Stream := TResourceStream.CreateFromID(Instance, 1, PChar(RT_VERSION));
+  try
+    FVersResource.SetCustomRawDataStream(Stream);
+    // access some property to load from the stream
+    FVersResource.FixedInfo;
+    // clear the stream
+    FVersResource.SetCustomRawDataStream(nil);
+  finally
+    Stream.Free;
+  end;
+end;
+
+function TVersionInfo.GetProductVersionString(AMinPrecision: TVersionPrecision = 2): String;
+var
+  productVersion: TFileProductVersion;
+  lastVersion, i: Integer;
+begin
+  productVersion := FixedInfo.ProductVersion;
+  lastVersion := 3;
+  while (lastVersion >= AMinPrecision) and (productVersion[lastVersion] = 0) do
+    dec(lastVersion);
+
+  Result := '';
+  for i := 0 to lastVersion do
+  begin
+    Result := Result + IntToStr(productVersion[i]);
+    if i < lastVersion then
+      Result := Result + '.';
+  end;
+end;
+
+function TVersionInfo.GetCopyright(ALong: Boolean = False): String;
+begin
+  Result := StringFileInfo[0]['LegalCopyright'];
+  if ALong then
+    Result := StringReplace(Result, '(c) ', 'Copyright ', []);
+end;
+
+procedure TVersionInfo.PrintStringFileInfo;
+var
+  verStringInfo: TVersionStringFileInfo;
+  verStringTable: TVersionStringTable;
+  i, j: Integer;
+begin
+  verStringInfo := GetStringFileInfo;
+  for i := 0 to verStringInfo.Count - 1 do
+  begin
+    writeln('Version String Info ', i + 1);
+    verStringTable := verStringInfo.Items[i];
+    for j := 0 to verStringTable.Count - 1 do
+    begin
+      writeln('  ', verStringTable.Keys[j], ' = ', verStringTable.ValuesByIndex[j]);
+    end;
+  end;
+end;
+
+initialization
+  VersionInfo := TVersionInfo.Create;
+  VersionInfo.Load(HINSTANCE);
+
+finalization
+  VersionInfo.Free;
+
+end.