mirror of
https://github.com/salvadordf/CEF4Delphi.git
synced 2024-11-15 15:55:56 +01:00
03f9e9a1b9
Fixed issue #404 : Memory leak with empty TChromiumDefaultUrl Fixed crash in RasperryPi OS 64 bits
276 lines
9.1 KiB
ObjectPascal
276 lines
9.1 KiB
ObjectPascal
// ************************************************************************
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// ***************************** CEF4Delphi *******************************
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// ************************************************************************
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//
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// CEF4Delphi is based on DCEF3 which uses CEF to embed a chromium-based
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// browser in Delphi applications.
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//
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// The original license of DCEF3 still applies to CEF4Delphi.
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//
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// For more information about CEF4Delphi visit :
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// https://www.briskbard.com/index.php?lang=en&pageid=cef
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//
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// Copyright © 2022 Salvador Diaz Fau. All rights reserved.
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//
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// ************************************************************************
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// ************ vvvv Original license and comments below vvvv *************
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// ************************************************************************
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(*
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* Delphi Chromium Embedded 3
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*
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* Usage allowed under the restrictions of the Lesser GNU General Public License
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* or alternatively the restrictions of the Mozilla Public License 1.1
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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* the specific language governing rights and limitations under the License.
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*
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* Unit owner : Henri Gourvest <hgourvest@gmail.com>
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* Web site : http://www.progdigy.com
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* Repository : http://code.google.com/p/delphichromiumembedded/
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* Group : http://groups.google.com/group/delphichromiumembedded
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*
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* Embarcadero Technologies, Inc is not permitted to use or redistribute
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* this source code without explicit permission.
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*
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*)
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unit uCEFXmlReader;
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{$IFDEF FPC}
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{$MODE OBJFPC}{$H+}
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{$ENDIF}
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{$I cef.inc}
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{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
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{$MINENUMSIZE 4}
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interface
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uses
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uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
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type
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TCefXmlReaderRef = class(TCefBaseRefCountedRef, ICefXmlReader)
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protected
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function MoveToNextNode: Boolean;
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function Close: Boolean;
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function HasError: Boolean;
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function GetError: ustring;
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function GetType: TCefXmlNodeType;
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function GetDepth: Integer;
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function GetLocalName: ustring;
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function GetPrefix: ustring;
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function GetQualifiedName: ustring;
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function GetNamespaceUri: ustring;
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function GetBaseUri: ustring;
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function GetXmlLang: ustring;
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function IsEmptyElement: Boolean;
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function HasValue: Boolean;
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function GetValue: ustring;
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function HasAttributes: Boolean;
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function GetAttributeCount: NativeUInt;
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function GetAttributeByIndex(index: Integer): ustring;
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function GetAttributeByQName(const qualifiedName: ustring): ustring;
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function GetAttributeByLName(const localName, namespaceURI: ustring): ustring;
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function GetInnerXml: ustring;
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function GetOuterXml: ustring;
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function GetLineNumber: Integer;
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function MoveToAttributeByIndex(index: Integer): Boolean;
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function MoveToAttributeByQName(const qualifiedName: ustring): Boolean;
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function MoveToAttributeByLName(const localName, namespaceURI: ustring): Boolean;
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function MoveToFirstAttribute: Boolean;
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function MoveToNextAttribute: Boolean;
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function MoveToCarryingElement: Boolean;
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public
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class function UnWrap(data: Pointer): ICefXmlReader;
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class function New(const stream: ICefStreamReader; encodingType: TCefXmlEncodingType; const URI: ustring): ICefXmlReader;
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end;
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implementation
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uses
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uCEFMiscFunctions, uCEFLibFunctions;
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function TCefXmlReaderRef.Close: Boolean;
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begin
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Result := PCefXmlReader(FData)^.close(PCefXmlReader(FData)) <> 0;
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end;
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class function TCefXmlReaderRef.New(const stream: ICefStreamReader; encodingType: TCefXmlEncodingType; const URI: ustring): ICefXmlReader;
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var
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TempURI : TCefString;
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begin
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TempURI := CefString(URI);
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Result := UnWrap(cef_xml_reader_create(CefGetData(stream), encodingType, @TempURI));
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end;
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function TCefXmlReaderRef.GetAttributeByIndex(index: Integer): ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_attribute_byindex(PCefXmlReader(FData), index));
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end;
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function TCefXmlReaderRef.GetAttributeByLName(const localName, namespaceURI: ustring): ustring;
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var
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TempLocalname, TempNamespaceURI : TCefString;
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begin
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TempLocalname := CefString(localName);
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TempNamespaceURI := CefString(namespaceURI);
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_attribute_bylname(PCefXmlReader(FData),
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@TempLocalname,
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@TempNamespaceURI));
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end;
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function TCefXmlReaderRef.GetAttributeByQName(const qualifiedName: ustring): ustring;
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var
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TempName : TCefString;
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begin
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TempName := CefString(qualifiedName);
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_attribute_byqname(PCefXmlReader(FData), @TempName));
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end;
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function TCefXmlReaderRef.GetAttributeCount: NativeUInt;
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begin
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Result := PCefXmlReader(FData)^.get_attribute_count(PCefXmlReader(FData));
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end;
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function TCefXmlReaderRef.GetBaseUri: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_base_uri(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetDepth: Integer;
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begin
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Result := PCefXmlReader(FData)^.get_depth(PCefXmlReader(FData));
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end;
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function TCefXmlReaderRef.GetError: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_error(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetInnerXml: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_inner_xml(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetLineNumber: Integer;
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begin
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Result := PCefXmlReader(FData)^.get_line_number(PCefXmlReader(FData));
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end;
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function TCefXmlReaderRef.GetLocalName: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_local_name(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetNamespaceUri: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_namespace_uri(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetOuterXml: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_outer_xml(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetPrefix: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_prefix(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetQualifiedName: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_qualified_name(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetType: TCefXmlNodeType;
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begin
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Result := PCefXmlReader(FData)^.get_type(PCefXmlReader(FData));
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end;
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function TCefXmlReaderRef.GetValue: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_value(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.GetXmlLang: ustring;
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begin
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Result := CefStringFreeAndGet(PCefXmlReader(FData)^.get_xml_lang(PCefXmlReader(FData)));
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end;
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function TCefXmlReaderRef.HasAttributes: Boolean;
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begin
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Result := PCefXmlReader(FData)^.has_attributes(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.HasError: Boolean;
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begin
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Result := PCefXmlReader(FData)^.has_error(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.HasValue: Boolean;
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begin
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Result := PCefXmlReader(FData)^.has_value(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.IsEmptyElement: Boolean;
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begin
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Result := PCefXmlReader(FData)^.is_empty_element(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.MoveToAttributeByIndex(index: Integer): Boolean;
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begin
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Result := PCefXmlReader(FData)^.move_to_attribute_byindex(PCefXmlReader(FData), index) <> 0;
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end;
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function TCefXmlReaderRef.MoveToAttributeByLName(const localName, namespaceURI: ustring): Boolean;
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var
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TempLocalname, TempNamespaceURI : TCefString;
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begin
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TempLocalname := CefString(localName);
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TempNamespaceURI := CefString(namespaceURI);
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Result := PCefXmlReader(FData)^.move_to_attribute_bylname(PCefXmlReader(FData),
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@TempLocalname,
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@TempNamespaceURI) <> 0;
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end;
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function TCefXmlReaderRef.MoveToAttributeByQName(const qualifiedName: ustring): Boolean;
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var
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TempName : TCefString;
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begin
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TempName := CefString(qualifiedName);
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Result := PCefXmlReader(FData)^.move_to_attribute_byqname(PCefXmlReader(FData), @TempName) <> 0;
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end;
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function TCefXmlReaderRef.MoveToCarryingElement: Boolean;
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begin
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Result := PCefXmlReader(FData)^.move_to_carrying_element(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.MoveToFirstAttribute: Boolean;
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begin
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Result := PCefXmlReader(FData)^.move_to_first_attribute(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.MoveToNextAttribute: Boolean;
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begin
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Result := PCefXmlReader(FData)^.move_to_next_attribute(PCefXmlReader(FData)) <> 0;
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end;
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function TCefXmlReaderRef.MoveToNextNode: Boolean;
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begin
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Result := PCefXmlReader(FData)^.move_to_next_node(PCefXmlReader(FData)) <> 0;
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end;
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class function TCefXmlReaderRef.UnWrap(data: Pointer): ICefXmlReader;
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begin
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if data <> nil then
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Result := Create(data) as ICefXmlReader
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else
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Result := nil;
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end;
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end.
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