CEF4Delphi/source/uCEFDictionaryValue.pas

// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF3 to embed a chromium-based
// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
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// For more information about CEF4Delphi visit :
//         https://www.briskbard.com/index.php?lang=en&pageid=cef
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//        Copyright <20> 2018 Salvador D<>az Fau. All rights reserved.
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// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
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(*
 *                       Delphi Chromium Embedded 3
 *
 * Usage allowed under the restrictions of the Lesser GNU General Public License
 * or alternatively the restrictions of the Mozilla Public License 1.1
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
 * the specific language governing rights and limitations under the License.
 *
 * Unit owner : Henri Gourvest <hgourvest@gmail.com>
 * Web site   : http://www.progdigy.com
 * Repository : http://code.google.com/p/delphichromiumembedded/
 * Group      : http://groups.google.com/group/delphichromiumembedded
 *
 * Embarcadero Technologies, Inc is not permitted to use or redistribute
 * this source code without explicit permission.
 *
 *)

unit uCEFDictionaryValue;

{$IFNDEF CPUX64}
  {$ALIGN ON}
  {$MINENUMSIZE 4}
{$ENDIF}

{$I cef.inc}

interface

uses
  {$IFDEF DELPHI16_UP}
  System.Classes,
  {$ELSE}
  Classes,
  {$ENDIF}
  uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;

type
  TCefDictionaryValueRef = class(TCefBaseRefCountedRef, ICefDictionaryValue)
    protected
      function IsValid: Boolean;
      function isOwned: Boolean;
      function IsReadOnly: Boolean;
      function IsSame(const that: ICefDictionaryValue): Boolean;
      function IsEqual(const that: ICefDictionaryValue): Boolean;
      function Copy(excludeEmptyChildren: Boolean): ICefDictionaryValue;
      function GetSize: NativeUInt;
      function Clear: Boolean;
      function HasKey(const key: ustring): Boolean;
      function GetKeys(const keys: TStrings): Boolean;
      function Remove(const key: ustring): Boolean;
      function GetType(const key: ustring): TCefValueType;
      function GetValue(const key: ustring): ICefValue;
      function GetBool(const key: ustring): Boolean;
      function GetInt(const key: ustring): Integer;
      function GetDouble(const key: ustring): Double;
      function GetString(const key: ustring): ustring;
      function GetBinary(const key: ustring): ICefBinaryValue;
      function GetDictionary(const key: ustring): ICefDictionaryValue;
      function GetList(const key: ustring): ICefListValue;
      function SetValue(const key: ustring; const value: ICefValue): Boolean;
      function SetNull(const key: ustring): Boolean;
      function SetBool(const key: ustring; value: Boolean): Boolean;
      function SetInt(const key: ustring; value: Integer): Boolean;
      function SetDouble(const key: ustring; value: Double): Boolean;
      function SetString(const key, value: ustring): Boolean;
      function SetBinary(const key: ustring; const value: ICefBinaryValue): Boolean;
      function SetDictionary(const key: ustring; const value: ICefDictionaryValue): Boolean;
      function SetList(const key: ustring; const value: ICefListValue): Boolean;

    public
      class function UnWrap(data: Pointer): ICefDictionaryValue;
      class function New: ICefDictionaryValue;
  end;

implementation

uses
  uCEFMiscFunctions, uCEFLibFunctions, uCEFBinaryValue, uCEFListValue, uCEFValue;

function TCefDictionaryValueRef.Clear: Boolean;
begin
  Result := PCefDictionaryValue(FData).clear(PCefDictionaryValue(FData)) <> 0;
end;

function TCefDictionaryValueRef.Copy(
  excludeEmptyChildren: Boolean): ICefDictionaryValue;
begin
  Result := UnWrap(PCefDictionaryValue(FData).copy(PCefDictionaryValue(FData), Ord(excludeEmptyChildren)));
end;

function TCefDictionaryValueRef.GetBinary(const key: ustring): ICefBinaryValue;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := TCefBinaryValueRef.UnWrap(PCefDictionaryValue(FData).get_binary(PCefDictionaryValue(FData), @k));
end;

function TCefDictionaryValueRef.GetBool(const key: ustring): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).get_bool(PCefDictionaryValue(FData), @k) <> 0;
end;

function TCefDictionaryValueRef.GetDictionary(
  const key: ustring): ICefDictionaryValue;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := UnWrap(PCefDictionaryValue(FData).get_dictionary(PCefDictionaryValue(FData), @k));
end;

function TCefDictionaryValueRef.GetDouble(const key: ustring): Double;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).get_double(PCefDictionaryValue(FData), @k);
end;

function TCefDictionaryValueRef.GetInt(const key: ustring): Integer;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).get_int(PCefDictionaryValue(FData), @k);
end;

function TCefDictionaryValueRef.GetKeys(const keys: TStrings): Boolean;
var
  list: TCefStringList;
  i: Integer;
  str: TCefString;
begin
  list := cef_string_list_alloc;
  try
    Result := PCefDictionaryValue(FData).get_keys(PCefDictionaryValue(FData), list) <> 0;
    FillChar(str, SizeOf(str), 0);
    for i := 0 to cef_string_list_size(list) - 1 do
    begin
      FillChar(str, SizeOf(str), 0);
      cef_string_list_value(list, i, @str);
      keys.Add(CefStringClearAndGet(str));
    end;
  finally
    cef_string_list_free(list);
  end;
end;

function TCefDictionaryValueRef.GetList(const key: ustring): ICefListValue;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := TCefListValueRef.UnWrap(PCefDictionaryValue(FData).get_list(PCefDictionaryValue(FData), @k));
end;

function TCefDictionaryValueRef.GetSize: NativeUInt;
begin
  Result := PCefDictionaryValue(FData).get_size(PCefDictionaryValue(FData));
end;

function TCefDictionaryValueRef.GetString(const key: ustring): ustring;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := CefStringFreeAndGet(PCefDictionaryValue(FData).get_string(PCefDictionaryValue(FData), @k));
end;

function TCefDictionaryValueRef.GetType(const key: ustring): TCefValueType;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).get_type(PCefDictionaryValue(FData), @k);
end;

function TCefDictionaryValueRef.GetValue(const key: ustring): ICefValue;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := TCefValueRef.UnWrap(PCefDictionaryValue(FData).get_value(PCefDictionaryValue(FData), @k));
end;

function TCefDictionaryValueRef.HasKey(const key: ustring): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).has_key(PCefDictionaryValue(FData), @k) <> 0;
end;

function TCefDictionaryValueRef.IsEqual(
  const that: ICefDictionaryValue): Boolean;
begin
  Result := PCefDictionaryValue(FData).is_equal(PCefDictionaryValue(FData), CefGetData(that)) <> 0;
end;

function TCefDictionaryValueRef.isOwned: Boolean;
begin
  Result := PCefDictionaryValue(FData).is_owned(PCefDictionaryValue(FData)) <> 0;
end;

function TCefDictionaryValueRef.IsReadOnly: Boolean;
begin
  Result := PCefDictionaryValue(FData).is_read_only(PCefDictionaryValue(FData)) <> 0;
end;

function TCefDictionaryValueRef.IsSame(
  const that: ICefDictionaryValue): Boolean;
begin
  Result := PCefDictionaryValue(FData).is_same(PCefDictionaryValue(FData), CefGetData(that)) <> 0;
end;

function TCefDictionaryValueRef.IsValid: Boolean;
begin
  Result := PCefDictionaryValue(FData).is_valid(PCefDictionaryValue(FData)) <> 0;
end;

class function TCefDictionaryValueRef.New: ICefDictionaryValue;
begin
  Result := UnWrap(cef_dictionary_value_create);
end;

function TCefDictionaryValueRef.Remove(const key: ustring): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).remove(PCefDictionaryValue(FData), @k) <> 0;
end;

function TCefDictionaryValueRef.SetBinary(const key: ustring;
  const value: ICefBinaryValue): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_binary(PCefDictionaryValue(FData), @k, CefGetData(value)) <> 0;
end;

function TCefDictionaryValueRef.SetBool(const key: ustring;
  value: Boolean): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_bool(PCefDictionaryValue(FData), @k, Ord(value)) <> 0;
end;

function TCefDictionaryValueRef.SetDictionary(const key: ustring;
  const value: ICefDictionaryValue): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_dictionary(PCefDictionaryValue(FData), @k, CefGetData(value)) <> 0;
end;

function TCefDictionaryValueRef.SetDouble(const key: ustring;
  value: Double): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_double(PCefDictionaryValue(FData), @k, value) <> 0;
end;

function TCefDictionaryValueRef.SetInt(const key: ustring;
  value: Integer): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_int(PCefDictionaryValue(FData), @k, value) <> 0;
end;

function TCefDictionaryValueRef.SetList(const key: ustring;
  const value: ICefListValue): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_list(PCefDictionaryValue(FData), @k, CefGetData(value)) <> 0;
end;

function TCefDictionaryValueRef.SetNull(const key: ustring): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_null(PCefDictionaryValue(FData), @k) <> 0;
end;

function TCefDictionaryValueRef.SetString(const key, value: ustring): Boolean;
var
  k, v: TCefString;
begin
  k := CefString(key);
  v := CefString(value);
  Result := PCefDictionaryValue(FData).set_string(PCefDictionaryValue(FData), @k, @v) <> 0;
end;

function TCefDictionaryValueRef.SetValue(const key: ustring;
  const value: ICefValue): Boolean;
var
  k: TCefString;
begin
  k := CefString(key);
  Result := PCefDictionaryValue(FData).set_value(PCefDictionaryValue(FData), @k, CefGetData(value)) <> 0;
end;

class function TCefDictionaryValueRef.UnWrap(
  data: Pointer): ICefDictionaryValue;
begin
  if data <> nil then
    Result := Create(data) as ICefDictionaryValue else
    Result := nil;
end;

end.