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CEF4Delphi/source/uCEFStringMultimap.pas

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// ************************************************************************
// ***************************** CEF4Delphi *******************************
// ************************************************************************
//
// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// browser in Delphi applications.
//
// The original license of DCEF3 still applies to CEF4Delphi.
//
// For more information about CEF4Delphi visit :
// https://www.briskbard.com/index.php?lang=en&pageid=cef
//
// Copyright � 2020 Salvador Diaz Fau. All rights reserved.
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//
// ************************************************************************
// ************ vvvv Original license and comments below vvvv *************
// ************************************************************************
(*
* 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 uCEFStringMultimap;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$IFNDEF CPUX64}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
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{$I cef.inc}
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interface
uses
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefCustomStringMultimap = class(TInterfacedObject, ICefStringMultimap)
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protected
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FHandle : TCefStringMultimap;
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function GetHandle: TCefStringMultimap; virtual;
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function GetSize: NativeUInt; virtual;
function FindCount(const Key: ustring): NativeUInt; virtual;
function GetEnumerate(const Key: ustring; ValueIndex: NativeUInt): ustring; virtual;
function GetKey(Index: NativeUInt): ustring; virtual;
function GetValue(Index: NativeUInt): ustring; virtual;
function Append(const Key, Value: ustring) : boolean; virtual;
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procedure Clear; virtual;
public
constructor Create; virtual;
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end;
TCefStringMultimapOwn = class(TCefCustomStringMultimap)
public
constructor Create; override;
destructor Destroy; override;
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end;
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TCefStringMultimapRef = class(TCefCustomStringMultimap)
public
constructor Create(aHandle : TCefStringMultimap); reintroduce;
end;
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implementation
uses
uCEFMiscFunctions, uCEFLibFunctions;
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// *********************************************
// ********* TCefCustomStringMultimap **********
// *********************************************
constructor TCefCustomStringMultimap.Create;
begin
inherited Create;
FHandle := nil;
end;
function TCefCustomStringMultimap.Append(const Key, Value: ustring) : boolean;
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var
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TempKey, TempValue : TCefString;
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begin
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if (FHandle <> nil) then
begin
TempKey := CefString(key);
TempValue := CefString(value);
Result := (cef_string_multimap_append(FHandle, @TempKey, @TempValue) <> 0);
end
else
Result := False;
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end;
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procedure TCefCustomStringMultimap.Clear;
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begin
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if (FHandle <> nil) then cef_string_multimap_clear(FHandle);
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end;
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function TCefCustomStringMultimap.FindCount(const Key: ustring): NativeUInt;
var
TempKey : TCefString;
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begin
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if (FHandle <> nil) then
begin
TempKey := CefString(Key);
Result := cef_string_multimap_find_count(FHandle, @TempKey);
end
else
Result := 0;
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end;
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function TCefCustomStringMultimap.GetEnumerate(const Key: ustring; ValueIndex: NativeUInt): ustring;
var
TempKey, TempValue : TCefString;
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begin
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Result := '';
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if (FHandle <> nil) then
begin
CefStringInitialize(@TempValue);
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TempKey := CefString(Key);
if (cef_string_multimap_enumerate(FHandle, @TempKey, ValueIndex, @TempValue) <> 0) then
Result := CefStringClearAndGet(@TempValue);
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end;
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end;
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function TCefCustomStringMultimap.GetHandle: TCefStringMultimap;
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begin
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Result := FHandle;
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end;
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function TCefCustomStringMultimap.GetKey(Index: NativeUInt): ustring;
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var
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TempKey : TCefString;
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begin
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Result := '';
if (FHandle <> nil) then
begin
CefStringInitialize(@TempKey);
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if (cef_string_multimap_key(FHandle, index, @TempKey) <> 0) then
Result := CefStringClearAndGet(@TempKey);
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end;
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end;
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function TCefCustomStringMultimap.GetSize: NativeUInt;
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begin
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if (FHandle <> nil) then
Result := cef_string_multimap_size(FHandle)
else
Result := 0;
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end;
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function TCefCustomStringMultimap.GetValue(Index: NativeUInt): ustring;
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var
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TempValue : TCefString;
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begin
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Result := '';
if (FHandle <> nil) then
begin
CefStringInitialize(@TempValue);
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if (cef_string_multimap_value(FHandle, index, @TempValue) <> 0) then
Result := CefStringClearAndGet(@TempValue);
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end;
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end;
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// ******************************************
// ********* TCefStringMultimapOwn **********
// ******************************************
constructor TCefStringMultimapOwn.Create;
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begin
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inherited Create;
FHandle := cef_string_multimap_alloc();
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end;
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destructor TCefStringMultimapOwn.Destroy;
begin
if (FHandle <> nil) then cef_string_multimap_free(FHandle);
inherited Destroy;
end;
// ******************************************
// ********* TCefStringMultimapRef **********
// ******************************************
constructor TCefStringMultimapRef.Create(aHandle : TCefStringMultimap);
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begin
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inherited Create;
FHandle := aHandle;
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end;
end.