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authortobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>2009-07-23 20:19:42 +0000
committertobigun <tobigun@b956fd51-792f-4845-bead-9b4dfca2ff2c>2009-07-23 20:19:42 +0000
commite941bd65cecb31c84202bbbe14db882a906a0663 (patch)
tree34425a857b7883d3766c886f142abc32d3731cd4 /unicode/src/base
parent95e2044583db3b8dbe0b7d859385ac4fe164f921 (diff)
downloadusdx-e941bd65cecb31c84202bbbe14db882a906a0663.tar.gz
usdx-e941bd65cecb31c84202bbbe14db882a906a0663.tar.xz
usdx-e941bd65cecb31c84202bbbe14db882a906a0663.zip
TUnicodeMemIniFile added
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/branches/experimental@1905 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'unicode/src/base')
-rw-r--r--unicode/src/base/UPath.pas79
1 files changed, 79 insertions, 0 deletions
diff --git a/unicode/src/base/UPath.pas b/unicode/src/base/UPath.pas
index 32e1bc02..a8743470 100644
--- a/unicode/src/base/UPath.pas
+++ b/unicode/src/base/UPath.pas
@@ -36,6 +36,7 @@ interface
uses
SysUtils,
Classes,
+ IniFiles,
{$IFDEF MSWINDOWS}
TntClasses,
{$ENDIF}
@@ -53,6 +54,23 @@ type
procedure LoadFromFile(const FileName: IPath);
procedure SaveToFile(const FileName: IPath);
end;
+
+ {**
+ * Unicode capable IniFile implementation.
+ * TMemIniFile and TIniFile are not able to handle INI-files with
+ * an UTF-8 BOM. This implementation checks if an UTF-8 BOM exists
+ * and removes it from the internal string-list.
+ * UTF8Encoded is set accordingly.
+ *}
+ TUnicodeMemIniFile = class(TMemIniFile)
+ private
+ FFilename: IPath;
+ FUTF8Encoded: boolean;
+ public
+ constructor Create(const FileName: IPath; UTF8Encoded: boolean = false); reintroduce;
+ procedure UpdateFile; override;
+ property UTF8Encoded: boolean READ FUTF8Encoded WRITE FUTF8Encoded;
+ end;
{**
* TBinaryFileStream (inherited from THandleStream)
@@ -363,6 +381,7 @@ implementation
uses
RTLConsts,
+ UTextEncoding,
UFilesystem;
{*
@@ -1313,6 +1332,66 @@ begin
end;
end;
+{ TUnicodeMemIniFile }
+
+constructor TUnicodeMemIniFile.Create(const FileName: IPath; UTF8Encoded: boolean);
+var
+ List: TStringList;
+ Stream: TBinaryFileStream;
+ BOMBuf: array[0..2] of AnsiChar;
+begin
+ inherited Create('');
+ FFilename := FileName;
+ FUTF8Encoded := UTF8Encoded;
+
+ if FileName.Exists() then
+ begin
+ List := nil;
+ Stream := nil;
+ try
+ List := TStringList.Create;
+ Stream := TBinaryFileStream.Create(FileName, fmOpenRead);
+ if (Stream.Read(BOMBuf[0], SizeOf(BOMBuf)) = 3) and
+ (CompareMem(PChar(UTF8_BOM), @BomBuf, Length(UTF8_BOM))) then
+ begin
+ // truncate BOM
+ FUTF8Encoded := true;
+ end
+ else
+ begin
+ // rewind file
+ Stream.Seek(0, soBeginning);
+ end;
+ List.LoadFromStream(Stream);
+ SetStrings(List);
+ finally
+ Stream.Free;
+ List.Free;
+ end;
+ end;
+end;
+
+procedure TUnicodeMemIniFile.UpdateFile;
+var
+ List: TStringList;
+ Stream: TBinaryFileStream;
+begin
+ List := nil;
+ Stream := nil;
+ try
+ List := TStringList.Create;
+ GetStrings(List);
+ Stream := TBinaryFileStream.Create(FFileName, fmCreate);
+ if UTF8Encoded then
+ Stream.Write(UTF8_BOM, Length(UTF8_BOM));
+ List.SaveToStream(Stream);
+ finally
+ List.Free;
+ Stream.Free;
+ end;
+end;
+
+
var
PATH_NONE_Singelton: IPath;