author | Claus Gittinger <cg@exept.de> |
Mon, 22 Nov 1999 16:05:05 +0100 | |
changeset 1271 | 1fc0f8a774c7 |
parent 1269 | 4362ec6dd5c2 |
child 1272 | 91ba4078b690 |
permissions | -rw-r--r-- |
643 | 1 |
" |
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COPYRIGHT (c) 1997 by eXept Software AG |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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Object subclass:#MIMETypes |
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instanceVariableNames:'' |
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classVariableNames:'TypeToImageReaderClassMapping FileSuffixToTypeMapping |
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FileSuffixToImageReaderClassMapping CharSetToFontMapping' |
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poolDictionaries:'' |
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category:'System-Documentation' |
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! |
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!MIMETypes class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1997 by eXept Software AG |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! |
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documentation |
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" |
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just a place to keep MIME information |
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(avoid spreading things at many places) |
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MIMETypes is abstract and functional. |
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Actually, in some OperatingSystems, this information may |
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be found in some config files (or registries). |
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Therefore, this class may have to be extended to support this |
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and fetch the information from there eventually. |
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[author:] |
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Claus Gittinger |
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" |
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! ! |
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!MIMETypes class methodsFor:'initialization'! |
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initialize |
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"initialize wellKnown facts" |
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|typeToImageReaderClassMapping fileSuffixToTypeMapping |
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fileSuffixToImageReaderClassMapping charSetToFontMapping| |
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parents:
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(fileSuffixToImageReaderClassMapping := FileSuffixToImageReaderClassMapping) isNil ifTrue:[ |
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code cleanup & added mimeType aquire fallBack via OS
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parents:
1023
diff
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FileSuffixToImageReaderClassMapping := fileSuffixToImageReaderClassMapping := Dictionary new |
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code cleanup & added mimeType aquire fallBack via OS
Claus Gittinger <cg@exept.de>
parents:
1023
diff
changeset
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]. |
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(typeToImageReaderClassMapping := TypeToImageReaderClassMapping) isNil ifTrue:[ |
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TypeToImageReaderClassMapping := typeToImageReaderClassMapping := Dictionary new |
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713 | 70 |
]. |
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(fileSuffixToTypeMapping := FileSuffixToTypeMapping) isNil ifTrue:[ |
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parents:
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diff
changeset
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FileSuffixToTypeMapping := fileSuffixToTypeMapping := Dictionary new |
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]. |
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parents:
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"/ setup file-suffix to mimeType mapping ... |
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parents:
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#( |
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"/ image formats ... |
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1216 | 80 |
('jpg' 'jpeg') 'image/jpeg' |
1188 | 81 |
'gif' 'image/gif' |
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('tif' 'tiff') 'image/tiff' |
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'xbm' 'image/x-xbitmap' |
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'xpm' 'image/x-xpixmap' |
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'png' 'image/x-png' |
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'pcd' 'image/x-photo-cd' |
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'bmp' 'image/x-MS-bmp' |
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'rgb' 'image/x-rgb' |
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'ppm' 'image/x-portable-pixmap' |
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'pgm' 'image/x-portable-graymap' |
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'pbm' 'image/x-portable-bitmap' |
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'pnm' 'image/x-portable-anymap' |
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'xwd' 'image/x-xwindowdump' |
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'ras' 'image/x-cmu-raster' |
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'tga' 'image/x-targa' |
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"/ misc text ... |
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('htm' 'html') 'text/html' |
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('txt' 'text') 'text/plain' |
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('ps' 'eps') 'application/postscript' |
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'pdf' 'application/pdf' |
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'rtf' 'application/rtf' |
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"/ video formats ... |
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'movie' 'video/x-sgi-movie' |
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'avi' 'video/x-msvideo' |
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('qt' 'mov' 'moov') 'video/quicktime' |
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('mpv2' 'mp2v' 'mp2' 'mpeg2') 'video/x-mpeg2' |
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('mpv' 'mpegv' 'mpg' 'mpeg' 'mpe') 'video/mpeg' |
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"/ audio formats ... |
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('ra' 'ram') 'audio/x-pn-realaudio' |
1188 | 117 |
('mpa' 'mpega') 'audio/x-mpeg' |
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'wav' 'audio/x-wav' |
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('aif' 'aiff' 'aifc') 'audio/x-aiff' |
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('au' 'snd') 'audio/basic' |
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"/ misc stuff |
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"/ progr. languages |
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'st' 'application/x-smalltalk-source' |
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('js' 'mocha') 'application/x-javascript' |
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'java' 'application/x-java-source' |
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'sh' 'application/x-sh' |
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'csh' 'application/x-csh' |
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'tcl' 'application/x-tcl' |
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'pl' 'application/x-perl' |
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'mak' 'application/x-make' |
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"/ compressors / archivers |
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'tar' 'application/x-tar' |
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'gtar' 'application/x-gtar' |
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'tgz' 'application/x-tar-compressed' |
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'zip' 'application/x-zip-compressed' |
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'cpio' 'application/x-cpio' |
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'shar' 'application/x-shar' |
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'jar' 'application/java-archive' |
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) pairWiseDo:[:suff :type| |
1188 | 144 |
suff isArray ifTrue:[ |
145 |
suff do:[:s | fileSuffixToTypeMapping at:s put:type] |
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] ifFalse:[ |
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fileSuffixToTypeMapping at:suff put:type |
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] |
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]. |
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parents:
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parents:
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"/ setup mimeType to image reader class mapping ... |
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parents:
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changeset
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1022 | 153 |
typeToImageReaderClassMapping at:'image/jpeg' put:JPEGReader. |
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typeToImageReaderClassMapping at:'image/gif' put:GIFReader. |
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typeToImageReaderClassMapping at:'image/tiff' put:TIFFReader. |
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645 | 156 |
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"/ setup suffix to image reader class mapping ... |
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fileSuffixToImageReaderClassMapping at:'jpg' put:JPEGReader. |
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fileSuffixToImageReaderClassMapping at:'gif' put:GIFReader. |
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fileSuffixToImageReaderClassMapping at:'tif' put:TIFFReader. |
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"/ character sets (not really mime stuff, but also placed here) |
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(charSetToFontMapping := CharSetToFontMapping) isNil ifTrue:[ |
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CharSetToFontMapping := charSetToFontMapping := Dictionary new |
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]. |
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645 | 169 |
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#( |
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'iso2022-jp' 'jis*0208*' |
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'x-iso2022-jp' 'jis*0208*' |
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'x-euc-jp' 'jis*0208*' |
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'x-shift-jis' 'jis*0208*' |
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'x-sjis' 'jis*0208*' |
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'x-jis7' 'jis*0208*' |
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'jis7' 'jis*0208*' |
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'euc' 'jis*0208*' |
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'euc-jp' 'jis*0208*' |
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'sjis' 'jis*0208*' |
713 | 181 |
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'big5' 'big5*' |
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'gb2312' 'gb*' |
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'hz-gb-2312' 'gb*' |
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'x-gbk' 'gb*' |
1022 | 187 |
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'iso2022-kr' 'ksc*' |
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'x-euc-kr' 'ksc*' |
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) pairWiseDo:[:charSet :fontEncoding| |
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191 |
charSetToFontMapping at:charSet put:fontEncoding |
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]. |
643 | 193 |
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" |
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195 |
self initialize |
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196 |
" |
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197 |
||
1269 | 198 |
"Modified: / 19.11.1999 / 15:01:53 / cg" |
643 | 199 |
! ! |
200 |
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201 |
!MIMETypes class methodsFor:'accessing'! |
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202 |
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647 | 203 |
defineImageType:mimeType suffix:aSuffix reader:aReaderClass |
204 |
"register an image reader." |
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205 |
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206 |
aSuffix notNil ifTrue:[ |
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207 |
self imageReaderForSuffix:aSuffix put:aReaderClass. |
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208 |
]. |
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209 |
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210 |
mimeType notNil ifTrue:[ |
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211 |
self imageReaderForType:mimeType put:aReaderClass |
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212 |
]. |
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213 |
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214 |
(aSuffix notNil and:[mimeType notNil]) ifTrue:[ |
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self mimeTypeForSuffix:aSuffix put:mimeType |
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]. |
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217 |
! |
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218 |
||
643 | 219 |
fileSuffixToImageReaderMapping |
1021 | 220 |
"return the suffix-to-imageReader mapping" |
221 |
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643 | 222 |
^ FileSuffixToImageReaderClassMapping ? #() |
223 |
||
1021 | 224 |
"Modified: / 1.8.1998 / 17:00:11 / cg" |
643 | 225 |
! |
226 |
||
648 | 227 |
fontForCharset:aCharSet |
1021 | 228 |
"return the font-encoding for an iso-charset" |
229 |
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648 | 230 |
^ CharSetToFontMapping at:aCharSet ifAbsent:nil |
231 |
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232 |
" |
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1021 | 233 |
MIMETypes fontForCharset:'iso2022-jp' |
648 | 234 |
MIMETypes fontForCharset:'euc-jp' |
235 |
" |
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236 |
||
1021 | 237 |
"Modified: / 1.8.1998 / 17:00:57 / cg" |
648 | 238 |
! |
239 |
||
643 | 240 |
imageFileSuffixes |
1021 | 241 |
"return a collection with known file suffixes" |
242 |
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643 | 243 |
FileSuffixToImageReaderClassMapping isNil ifTrue:[^ #()]. |
244 |
^ FileSuffixToImageReaderClassMapping keys |
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245 |
||
1021 | 246 |
"Created: / 30.6.1997 / 22:04:48 / cg" |
247 |
"Modified: / 1.8.1998 / 17:01:26 / cg" |
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643 | 248 |
! |
249 |
||
250 |
imageReaderClasses |
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1021 | 251 |
"return a collection of registered image reader classes" |
252 |
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645 | 253 |
|setOfClasses| |
254 |
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255 |
setOfClasses := IdentitySet new. |
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256 |
FileSuffixToImageReaderClassMapping notNil ifTrue:[ |
|
257 |
FileSuffixToImageReaderClassMapping keysAndValuesDo:[:suff :cls | |
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1021 | 258 |
setOfClasses add:cls |
259 |
]. |
|
645 | 260 |
]. |
261 |
TypeToImageReaderClassMapping notNil ifTrue:[ |
|
262 |
TypeToImageReaderClassMapping keysAndValuesDo:[:suff :cls | |
|
1021 | 263 |
setOfClasses add:cls |
264 |
]. |
|
645 | 265 |
]. |
266 |
^ setOfClasses |
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643 | 267 |
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1021 | 268 |
"Created: / 30.6.1997 / 22:03:42 / cg" |
269 |
"Modified: / 1.8.1998 / 16:59:52 / cg" |
|
643 | 270 |
! |
271 |
||
272 |
imageReaderForSuffix:aSuffix |
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1021 | 273 |
"given a file suffix, return an approriate image reader class" |
274 |
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643 | 275 |
FileSuffixToImageReaderClassMapping isNil ifTrue:[^ nil]. |
276 |
^ FileSuffixToImageReaderClassMapping at:aSuffix asLowercase ifAbsent:nil |
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277 |
||
1021 | 278 |
"Created: / 30.6.1997 / 21:59:11 / cg" |
279 |
"Modified: / 1.8.1998 / 17:01:58 / cg" |
|
643 | 280 |
! |
281 |
||
282 |
imageReaderForSuffix:aSuffix put:aReaderClass |
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1021 | 283 |
"register an image reader for a file suffix" |
284 |
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643 | 285 |
FileSuffixToImageReaderClassMapping isNil ifTrue:[ |
286 |
FileSuffixToImageReaderClassMapping := Dictionary new. |
|
287 |
]. |
|
288 |
FileSuffixToImageReaderClassMapping at:aSuffix asLowercase put:aReaderClass |
|
289 |
||
1021 | 290 |
"Created: / 30.6.1997 / 21:59:43 / cg" |
291 |
"Modified: / 1.8.1998 / 17:02:14 / cg" |
|
643 | 292 |
! |
293 |
||
294 |
imageReaderForType:mimeTypeString |
|
1021 | 295 |
"given a mime-type, return an approriate image reader class" |
296 |
||
643 | 297 |
TypeToImageReaderClassMapping isNil ifTrue:[^ nil]. |
298 |
^ TypeToImageReaderClassMapping at:mimeTypeString asLowercase ifAbsent:nil |
|
299 |
||
1021 | 300 |
"Created: / 30.6.1997 / 21:56:01 / cg" |
301 |
"Modified: / 1.8.1998 / 17:02:28 / cg" |
|
643 | 302 |
! |
303 |
||
304 |
imageReaderForType:mimeTypeString put:aReaderClass |
|
1021 | 305 |
"register an image reader for a mime-type" |
306 |
||
643 | 307 |
TypeToImageReaderClassMapping isNil ifTrue:[ |
308 |
TypeToImageReaderClassMapping := Dictionary new. |
|
309 |
]. |
|
310 |
TypeToImageReaderClassMapping at:mimeTypeString asLowercase put:aReaderClass |
|
311 |
||
1021 | 312 |
"Created: / 30.6.1997 / 21:56:11 / cg" |
313 |
"Modified: / 1.8.1998 / 17:02:40 / cg" |
|
643 | 314 |
! |
315 |
||
316 |
mimeTypeForSuffix:suffix |
|
1021 | 317 |
"given a file suffix, return the mime-type" |
318 |
||
1180
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319 |
|type lcSuffix| |
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|
320 |
|
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321 |
lcSuffix := suffix asLowercase. |
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322 |
type := FileSuffixToTypeMapping at:lcSuffix ifAbsent:nil. |
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323 |
type isNil ifTrue:[ |
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324 |
"/ allow for fallback ... |
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325 |
type := OperatingSystem mimeTypeForSuffix:lcSuffix. |
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326 |
"/ the special value #unknown is returned as nil; |
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diff
changeset
|
327 |
"/ this avoids constant retry if a mimeType is not known in |
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changeset
|
328 |
"/ the OS. |
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|
329 |
type isNil ifTrue:[ |
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parents:
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diff
changeset
|
330 |
FileSuffixToTypeMapping at:lcSuffix put:#unknown |
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|
331 |
]. |
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parents:
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diff
changeset
|
332 |
]. |
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parents:
1023
diff
changeset
|
333 |
type == #unknown ifTrue:[ |
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parents:
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diff
changeset
|
334 |
^ nil |
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parents:
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changeset
|
335 |
]. |
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Claus Gittinger <cg@exept.de>
parents:
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diff
changeset
|
336 |
^ type |
643 | 337 |
|
1021 | 338 |
"Created: / 30.6.1997 / 21:55:51 / cg" |
339 |
"Modified: / 1.8.1998 / 17:02:59 / cg" |
|
643 | 340 |
! |
341 |
||
342 |
mimeTypeForSuffix:suffix put:mimeType |
|
1021 | 343 |
"register a mime type for a file suffix" |
344 |
||
643 | 345 |
FileSuffixToTypeMapping isNil ifTrue:[ |
346 |
FileSuffixToTypeMapping := Dictionary new |
|
347 |
]. |
|
348 |
FileSuffixToTypeMapping at:suffix put:mimeType asLowercase |
|
349 |
||
1021 | 350 |
"Created: / 30.6.1997 / 21:56:20 / cg" |
351 |
"Modified: / 1.8.1998 / 17:03:18 / cg" |
|
643 | 352 |
! ! |
353 |
||
354 |
!MIMETypes class methodsFor:'documentation'! |
|
355 |
||
356 |
version |
|
1269 | 357 |
^ '$Header: /cvs/stx/stx/libview2/MIMETypes.st,v 1.18 1999-11-19 14:18:51 cg Exp $' |
643 | 358 |
! ! |
359 |
MIMETypes initialize! |