iphonelazext: plistfile test project - plistread. Added an ability to add more string values to plist file

git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4415 8e941d3f-bd1b-0410-a28a-d453659cc2b4

components/iphonelazext/plistfile.pas

@@ -14,12 +14,12 @@
 }
 unit PlistFile;
 
-{$mode delphi}
+{$mode delphi}{$h+}
 
 interface
 
 uses
-  Classes, SysUtils, DOM, XMLRead, XMLWrite, LazFilesUtils;
+  Classes, SysUtils, DOM, XMLRead;
 
 type
   TPlistType = (ltString, ltArray, ltDict, ltData, ltDate, ltBoolean, ltNumber);
@@ -40,23 +40,29 @@ type
     items     : array of TPListValue;
     names     : array of string;
     constructor Create(AType: TPlistType);
+    destructor Destroy; override;
     function AddValue: Integer;
     property ValueType: TPListType read fType;
+    function FindValue(const nm: string): Integer;
   end;
 
   { TPListFile }
 
   TPListFile = class(TObject)
+  protected
+    function GetValueIdx(const aname: string; force: Boolean): Integer;
   public
     root : TPListValue;
     constructor Create;
     destructor Destroy; override;
     function GetStrValue(const valname: string): string;
+    procedure SetStrValue(const AName: string; const AValue: WideString; AValType: TPlistType = ltString);
   end;
 
 function LoadFromXML(const fn: string; plist: TPListFile): Boolean; overload;
 function LoadFromXML(doc: TXMLDocument; plist: TPListFile): Boolean; overload;
 function WriteXML(const plist: TPlistFile): string;
+function SaveToXMLFile(plist: TPlistFile; const fn: string): Boolean;
 
 procedure DebugPlistFile(const fl: TPListFile);
 
@@ -231,6 +237,31 @@ begin
   end;
 end;
 
+function SaveToXMLFile(plist: TPlistFile; const fn: string): Boolean;
+var
+  fs  : TFileStream;
+  s   : string;
+begin
+  if not Assigned(plist) then begin
+    Result:=false;
+    Exit;
+  end;
+  try
+    fs:=TfileStream.Create(fn, fmCreate);
+    try
+      s:=WriteXML(plist);
+      if length(s)>0 then
+        fs.Write(s[1], length(s));
+      Result:=true;
+    finally
+      fs.Free;
+    end;
+  except
+    Result:=false;
+  end;
+end;
+
+
 function LoadFromXML(const fn: string; plist: TPListFile): Boolean; overload;
 var
   doc : TXMLDocument;
@@ -330,10 +361,24 @@ begin
   Result:=true;
 end;
 
+function TPListFile.GetValueIdx(const aname: string; force: Boolean): Integer;
+var
+  idx: integer;
+begin
+  idx:=root.FindValue(aname);
+  if (idx<0) and (force) then begin
+    idx:=root.AddValue;
+    if not Assigned(root.Items[idx]) then
+      root.items[idx]:=TPListValue.Create(ltString);
+    root.names[idx]:=aname;
+  end;
+  Result:=idx;
+end;
+
 constructor TPListFile.Create;
 begin
   inherited Create;
-  root:=TPListValue.Create(ltDict)
+  root:=TPListValue.Create(ltDict);
 end;
 
 destructor TPListFile.Destroy;
@@ -360,6 +405,18 @@ begin
 
 end;
 
+procedure TPListFile.SetStrValue(const AName: string; const AValue: WideString; AValType: TPlistType);
+var
+  idx: integer;
+begin
+  idx:=GetValueIdx(aname, true);
+  writeln('idx= ', idx,' ',length(root.items),' ',root.count,' ',Assigned(root.items[idx]));
+  root.items[idx].str:=avalue;
+  writeln('222');
+  root.items[idx].fType:=AValType;
+  writeln('333');
+end;
+
 { TPListValue }
 
 constructor TPListValue.Create(AType: TPlistType);
@@ -368,6 +425,16 @@ begin
   fType:=AType;
 end;
 
+destructor TPListValue.Destroy;
+var
+  i : integer;
+begin
+  for i:=0 to length(items)-1 do
+    if Assigned(items[i]) then
+      items[i].Free;
+  inherited Destroy;
+end;
+
 function TPListValue.AddValue: Integer;
 begin
   if not (fType in [ltArray, ltDict]) then begin
@@ -383,5 +450,17 @@ begin
   inc(count);
 end;
 
+function TPListValue.FindValue(const nm: string): Integer;
+var
+  i : integer;
+begin
+  for i:=0 to count-1 do
+    if names[i]=nm then begin
+      Result:=i;
+      Exit;
+    end;
+  Result:=-1;
+end;
+
 end.
 

components/iphonelazext/tests/plist/plist.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key><string>English</string>
+  <key>CFBundleDisplayName</key><string>%s</string>
+  <key>CFBundleExecutable</key><string>%s</string>
+  <key>CFBundleIdentifier</key><string>%s</string>
+  <key>CFBundleInfoDictionaryVersion</key><string>6.0</string>
+  <key>CFBundleName</key><string>%s</string>
+  <key>CFBundlePackageType</key><string>APPL</string>
+  <key>CFBundleSignature</key><string>????</string>
+  <key>CFBundleSupportedPlatforms</key>
+    <array><string>%s</string></array>
+  <key>CFBundleVersion</key><string>1.0</string>
+  <key>DTPlatformName</key><string>%s</string>
+  <key>DTSDKName</key><string>%s</string>
+  <key>LSRequiresIPhoneOS</key><true/>
+</dict>
+</plist>

components/iphonelazext/tests/plist/plistread.lpi

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<CONFIG>
+  <ProjectOptions>
+    <Version Value="9"/>
+    <PathDelim Value="\"/>
+    <General>
+      <Flags>
+        <MainUnitHasCreateFormStatements Value="False"/>
+        <MainUnitHasTitleStatement Value="False"/>
+      </Flags>
+      <SessionStorage Value="InProjectDir"/>
+      <MainUnit Value="0"/>
+      <Title Value="plistread"/>
+      <UseAppBundle Value="False"/>
+      <ResourceType Value="res"/>
+    </General>
+    <i18n>
+      <EnableI18N LFM="False"/>
+    </i18n>
+    <VersionInfo>
+      <StringTable ProductVersion=""/>
+    </VersionInfo>
+    <MacroValues Count="1">
+      <Macro1 Name="LCLWidgetType" Value="nogui"/>
+    </MacroValues>
+    <BuildModes Count="1">
+      <Item1 Name="Default" Default="True"/>
+      <SharedMatrixOptions Count="1">
+        <Item1 ID="322992283170" Modes="Default" Type="IDEMacro" MacroName="LCLWidgetType" Value="nogui"/>
+      </SharedMatrixOptions>
+    </BuildModes>
+    <PublishOptions>
+      <Version Value="2"/>
+    </PublishOptions>
+    <RunParams>
+      <local>
+        <FormatVersion Value="1"/>
+      </local>
+    </RunParams>
+    <Units Count="1">
+      <Unit0>
+        <Filename Value="plistread.lpr"/>
+        <IsPartOfProject Value="True"/>
+      </Unit0>
+    </Units>
+  </ProjectOptions>
+  <CompilerOptions>
+    <Version Value="11"/>
+    <PathDelim Value="\"/>
+    <Target>
+      <Filename Value="plistread"/>
+    </Target>
+    <SearchPaths>
+      <IncludeFiles Value="$(ProjOutDir)"/>
+      <OtherUnitFiles Value="..\.."/>
+      <UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
+    </SearchPaths>
+    <Linking>
+      <Debugging>
+        <UseHeaptrc Value="True"/>
+      </Debugging>
+    </Linking>
+  </CompilerOptions>
+  <Debugging>
+    <Exceptions Count="3">
+      <Item1>
+        <Name Value="EAbort"/>
+      </Item1>
+      <Item2>
+        <Name Value="ECodetoolError"/>
+      </Item2>
+      <Item3>
+        <Name Value="EFOpenError"/>
+      </Item3>
+    </Exceptions>
+  </Debugging>
+</CONFIG>

components/iphonelazext/tests/plist/plistread.lpr

@@ -0,0 +1,37 @@
+program plistread;
+
+{$mode objfpc}{$H+}
+
+uses
+  {$IFDEF UNIX}{$IFDEF UseCThreads}
+  cthreads,
+  {$ENDIF}{$ENDIF}
+  Classes, SysUtils, plistfile
+  { you can add units after this };
+
+procedure TestRead(const fn: string);
+var
+  pl : TPListFile;
+begin
+  pl:=TPlistFile.Create;
+  try
+    LoadFromXML(fn, pl);
+    writeln(pl.GetStrValue('CFBundleDevelopmentRegion'));
+    pl.SetStrValue('DTPlatformName','TESTPLATFORMNAME');
+    SaveToXMLFile(pl, ChangeFileExt(fn, '.xml.out'));
+  finally
+    pl.Free;
+  end;
+end;
+
+var
+  fn : string;
+begin
+  if ParamCount=0 then begin
+    writeln('please specify the .info file');
+    Exit;
+  end;
+  fn := ParamStr(1);
+  TestRead(fn);
+end.
+