Home » Archimedes archive » Acorn User » AU 1998-02 B.adf » JFShared » !JFShared/Help/CGILibrary
!JFShared/Help/CGILibrary
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
| Tape/disk: | Home » Archimedes archive » Acorn User » AU 1998-02 B.adf » JFShared |
| Filename: | !JFShared/Help/CGILibrary |
| Read OK: | ✔ |
| File size: | 1528 bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
File contents
HELP( � ����, ��� � $ DIR$� � � F����ȇړ !Root l G���ݧ �� info P F���'ԇ� ArcWebLTP ` G����N�� PROC d G��� O�� FN DATA� CGILibrary routines
#Parent StrongHelp:!Menu
Main routines
#Indent 2
#Table Columns 2
<PROCinitcgi>
<PROCcgierror>
<PROCcgiheader>
<PROCcgiparsedata>
<PROCcgidivider>
<FNcgirawdata>
<PROCassign>
<FNcgimethodget>
<FNcgiextrapath>
<FNrotounixfile>
<FNunixtorofile>
#EndTable
#Indent
Routines from <WimpLib=>WimpLib:!Root>
#Indent 2
#Table Columns 2
<FNstring0=>WimpLib:FNstring0>
<FNlower=>WimpLib:FNlower>
<FNupper=>WimpLib:FNupper>
<FNtidy=>WimpLib:FNtidy>
<FNstripspaces=>WimpLib:FNstripspaces>
<FNsystemvar=>WimpLib:FNsystemvar>
<FNleafname=>WimpLib:FNleafname>
<FNpathname=>WimpLib:FNpathname>
#EndTable
#Indent
<Information=>info> on CGILibrary
DATA� CGILibrary help
#Align Centre
{fh3}JFShared CGILibrary v1.01{f}
#Align Left
The CGI Library is a Basic Library file which provides an interface to local gateway engines for web pages. This version is intended for use with Dave Thomas' Netplex. There is an <ArcWebLTP> compatible version (1.00) but this should not be used.
The CGI Library is referenced by \<CGILibrary$File> and should be loaded with :
{fCode}LIBRARY "\<CGILibrary$File>":PROCinitcgi{f}
The JFShared application is � <Justin Fletcher=>Filetypes:Authors_JustinFletcher>, 1995 and is released into the Public Domain with the same restrictions as subsist in most PD software. This includes the fact that when distributed the entire application must remain intact. DATA ArcWebLTP
{fH4}ArcWeb Local Transfer Protocol{f}
Whilst ArcWeb's built in local transfer engine is very good, one of the things it cannot handle is CGI scripts. These are simply programs which can react to input from FORM's or supply different graphics. Although most CGI files are scripts, or C programs, on unix systems it is possible on an Archimedes to execute BASIC files under CGI - much more fun than csh scripts, and almost as good as writing Perl.
ArcWebLTP is my implementation of a CGI and standard fetch protocol, and allows you to specify paths as ltp://$.www.server/users/gerph/auadd.htm or ltp://$.www.server/cgi-bin/userbin/gerph/scripts/CGItest (the paths I'm currently using to test this program \<grin>).
CGI means Common Gateway Interface, by the way...
DIR$� � @
F������ٔ initcgi � F������ٵ cgierror � F�������� cgiheader d
F����c�٨ cgiparsedata F���Ƞ��� assign � F����
ڐ cgidivider DATA� PROCinitcgi
#Parent !Root
Initialises CGI library variables.
Call this routine at the start of any program that uses the CGILibrary file. This also installs an error handler which should return a useful message to the requesting agent.
This routine also sets the variable {/}scriptdir${/} to point to the directory the script was run from, as described by the system variable RISCOS_SCRIPT_DIR.DATA� PROCcgierror(error$,line)
#Parent !Root
=> {/}error${/} error message to pass to user agent
{/}line{/} line of error, or -1 for user errors
Notify the user of the error.
DATA� PROCcgiheader(type$,ext$)
#Parent !Root
=> {/}type${/} MIME base type
{/}ext${/} type extension
Return the type header to the agent - the most useful are text/html, text/plain, image/gif and image/jpeg.
DATA� PROCcgiparsedata
#Parent !Root
Parse the CGI data passed, whether GET or POST requested.
The data is returned in string variables with the names given by the poster (geter) in capitals prefixed by an underscore, eg _PERSONNAME$. As these will be unset if the variables are not supplied by the agent, it is probably easier if you assign some value to those variables you wish to use before calling PROCcgiparsedata.
DATA� PROCassign(var$,val$)
#Parent !Root
=> {/}var${/} variable to assign
{/}val${/} value to assign to it
Assigns a string value to a variable.
Usage: {fCode}PROCassign("dullvar$","Boring"){f}
DATA� PROCcgidivider(divider$)
#Parent !Root
=> {/}divider${/} new field divider character
Changes the field divider from it's default of &.DIR$� � 4 F���Ϧ�ٌ cgimethodget � F����<�ٙ unixtorofile \ F���H�ٙ rotounixfile � F���<N�َ cgirawdata � F���,�ڞ cgiextrapath DATA� FNcgimethodget
#Parent !Root
\<= TRUE if the request was made as a GET, as opposed to a POST.
Check what type of request was made.
DATA� FNunixtorofile(file$)
#Parent !Root
=> {/}file${/} unix style filename
<= RiscOS form of given filename
Convert a unix filename to RiscOS style. DATA� FNrotounixfile(file$)
#Parent !Root
=> {/}file${/} RiscOS style filename
<= unix form of given filename
Convert a RiscOS filename to unix style. DATA� FNcgirawdata
#Parent !Root
<= string passed to script
Return the CGI data passed, whether GET or POST requested exactly as supplied.
DATA� FNcgiextrapath
#Parent !Root
<= unix style suffix to the pathname specified
If you request a file from the protocol which is completed before the end of the path string, eg {fCode}ltp://$.www.server/cgi-bin/imagemap/gerph/acorn/map.map{f} where cgi-bin/imagemap is the actual file to execute, then the remainder of the path, (/ onwards) will be passed on to the script and is retrievable by this function. 00000000 48 45 4c 50 28 00 00 00 fa 00 00 00 ff ff ff ff |HELP(...........|
00000010 2c 00 00 00 00 fd ff ff 00 00 00 00 a4 00 00 00 |,...............|
00000020 00 01 00 00 00 00 00 00 24 00 00 00 44 49 52 24 |........$...DIR$|
00000030 ac 00 00 00 ac 00 00 00 d8 00 00 00 46 fd ff ff |............F...|
00000040 f7 c8 87 da 93 02 00 00 13 00 00 00 00 00 00 00 |................|
00000050 21 52 6f 6f 74 00 00 00 6c 03 00 00 47 fd ff ff |!Root...l...G...|
00000060 dd a7 00 93 e2 02 00 00 13 00 00 00 00 00 00 00 |................|
00000070 69 6e 66 6f 00 00 00 00 50 06 00 00 46 fd ff ff |info....P...F...|
00000080 27 d4 87 da 10 03 00 00 13 00 00 00 00 00 00 00 |'...............|
00000090 41 72 63 57 65 62 4c 54 50 00 00 00 60 09 00 00 |ArcWebLTP...`...|
000000a0 47 fd ff ff 97 4e 06 d7 e0 00 00 00 13 01 00 00 |G....N..........|
000000b0 00 00 00 00 50 52 4f 43 00 00 00 00 64 10 00 00 |....PROC....d...|
000000c0 47 fd ff ff 0c 4f 06 d7 d0 00 00 00 13 01 00 00 |G....O..........|
000000d0 00 00 00 00 46 4e 00 00 44 41 54 41 93 02 00 00 |....FN..DATA....|
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00000130 6d 6e 73 20 32 0a 3c 50 52 4f 43 69 6e 69 74 63 |mns 2.<PROCinitc|
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00000160 72 3e 0a 3c 50 52 4f 43 63 67 69 70 61 72 73 65 |r>.<PROCcgiparse|
00000170 64 61 74 61 3e 0a 3c 50 52 4f 43 63 67 69 64 69 |data>.<PROCcgidi|
00000180 76 69 64 65 72 3e 0a 3c 46 4e 63 67 69 72 61 77 |vider>.<FNcgiraw|
00000190 64 61 74 61 3e 0a 3c 50 52 4f 43 61 73 73 69 67 |data>.<PROCassig|
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000001b0 65 74 3e 0a 3c 46 4e 63 67 69 65 78 74 72 61 70 |et>.<FNcgiextrap|
000001c0 61 74 68 3e 0a 3c 46 4e 72 6f 74 6f 75 6e 69 78 |ath>.<FNrotounix|
000001d0 66 69 6c 65 3e 0a 3c 46 4e 75 6e 69 78 74 6f 72 |file>.<FNunixtor|
000001e0 6f 66 69 6c 65 3e 0a 23 45 6e 64 54 61 62 6c 65 |ofile>.#EndTable|
000001f0 0a 23 49 6e 64 65 6e 74 0a 0a 52 6f 75 74 69 6e |.#Indent..Routin|
00000200 65 73 20 66 72 6f 6d 20 3c 57 69 6d 70 4c 69 62 |es from <WimpLib|
00000210 3d 3e 57 69 6d 70 4c 69 62 3a 21 52 6f 6f 74 3e |=>WimpLib:!Root>|
00000220 0a 23 49 6e 64 65 6e 74 20 32 0a 23 54 61 62 6c |.#Indent 2.#Tabl|
00000230 65 20 43 6f 6c 75 6d 6e 73 20 32 0a 3c 46 4e 73 |e Columns 2.<FNs|
00000240 74 72 69 6e 67 30 3d 3e 57 69 6d 70 4c 69 62 3a |tring0=>WimpLib:|
00000250 46 4e 73 74 72 69 6e 67 30 3e 0a 3c 46 4e 6c 6f |FNstring0>.<FNlo|
00000260 77 65 72 3d 3e 57 69 6d 70 4c 69 62 3a 46 4e 6c |wer=>WimpLib:FNl|
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00000280 57 69 6d 70 4c 69 62 3a 46 4e 75 70 70 65 72 3e |WimpLib:FNupper>|
00000290 0a 3c 46 4e 74 69 64 79 3d 3e 57 69 6d 70 4c 69 |.<FNtidy=>WimpLi|
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000002c0 62 3a 46 4e 73 74 72 69 70 73 70 61 63 65 73 3e |b:FNstripspaces>|
000002d0 0a 3c 46 4e 73 79 73 74 65 6d 76 61 72 3d 3e 57 |.<FNsystemvar=>W|
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00000300 3e 57 69 6d 70 4c 69 62 3a 46 4e 6c 65 61 66 6e |>WimpLib:FNleafn|
00000310 61 6d 65 3e 0a 3c 46 4e 70 61 74 68 6e 61 6d 65 |ame>.<FNpathname|
00000320 3d 3e 57 69 6d 70 4c 69 62 3a 46 4e 70 61 74 68 |=>WimpLib:FNpath|
00000330 6e 61 6d 65 3e 0a 23 45 6e 64 54 61 62 6c 65 0a |name>.#EndTable.|
00000340 23 49 6e 64 65 6e 74 0a 0a 3c 49 6e 66 6f 72 6d |#Indent..<Inform|
00000350 61 74 69 6f 6e 3d 3e 69 6e 66 6f 3e 20 6f 6e 20 |ation=>info> on |
00000360 43 47 49 4c 69 62 72 61 72 79 0a 00 44 41 54 41 |CGILibrary..DATA|
00000370 e2 02 00 00 43 47 49 4c 69 62 72 61 72 79 20 68 |....CGILibrary h|
00000380 65 6c 70 0a 23 41 6c 69 67 6e 20 43 65 6e 74 72 |elp.#Align Centr|
00000390 65 0a 7b 66 68 33 7d 4a 46 53 68 61 72 65 64 20 |e.{fh3}JFShared |
000003a0 43 47 49 4c 69 62 72 61 72 79 20 76 31 2e 30 31 |CGILibrary v1.01|
000003b0 7b 66 7d 0a 23 41 6c 69 67 6e 20 4c 65 66 74 0a |{f}.#Align Left.|
000003c0 0a 54 68 65 20 43 47 49 20 4c 69 62 72 61 72 79 |.The CGI Library|
000003d0 20 69 73 20 61 20 42 61 73 69 63 20 4c 69 62 72 | is a Basic Libr|
000003e0 61 72 79 20 66 69 6c 65 20 77 68 69 63 68 20 70 |ary file which p|
000003f0 72 6f 76 69 64 65 73 20 61 6e 20 69 6e 74 65 72 |rovides an inter|
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00000410 74 65 77 61 79 20 65 6e 67 69 6e 65 73 20 66 6f |teway engines fo|
00000420 72 20 77 65 62 20 70 61 67 65 73 2e 20 54 68 69 |r web pages. Thi|
00000430 73 20 76 65 72 73 69 6f 6e 20 69 73 20 69 6e 74 |s version is int|
00000440 65 6e 64 65 64 20 66 6f 72 20 75 73 65 20 77 69 |ended for use wi|
00000450 74 68 20 44 61 76 65 20 54 68 6f 6d 61 73 27 20 |th Dave Thomas' |
00000460 4e 65 74 70 6c 65 78 2e 20 54 68 65 72 65 20 69 |Netplex. There i|
00000470 73 20 61 6e 20 3c 41 72 63 57 65 62 4c 54 50 3e |s an <ArcWebLTP>|
00000480 20 63 6f 6d 70 61 74 69 62 6c 65 20 76 65 72 73 | compatible vers|
00000490 69 6f 6e 20 28 31 2e 30 30 29 20 62 75 74 20 74 |ion (1.00) but t|
000004a0 68 69 73 20 73 68 6f 75 6c 64 20 6e 6f 74 20 62 |his should not b|
000004b0 65 20 75 73 65 64 2e 0a 0a 54 68 65 20 43 47 49 |e used...The CGI|
000004c0 20 4c 69 62 72 61 72 79 20 69 73 20 72 65 66 65 | Library is refe|
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000004e0 69 62 72 61 72 79 24 46 69 6c 65 3e 20 61 6e 64 |ibrary$File> and|
000004f0 20 73 68 6f 75 6c 64 20 62 65 20 6c 6f 61 64 65 | should be loade|
00000500 64 20 77 69 74 68 20 3a 0a 7b 66 43 6f 64 65 7d |d with :.{fCode}|
00000510 4c 49 42 52 41 52 59 20 22 5c 3c 43 47 49 4c 69 |LIBRARY "\<CGILi|
00000520 62 72 61 72 79 24 46 69 6c 65 3e 22 3a 50 52 4f |brary$File>":PRO|
00000530 43 69 6e 69 74 63 67 69 7b 66 7d 0a 0a 54 68 65 |Cinitcgi{f}..The|
00000540 20 4a 46 53 68 61 72 65 64 20 61 70 70 6c 69 63 | JFShared applic|
00000550 61 74 69 6f 6e 20 69 73 20 a9 20 3c 4a 75 73 74 |ation is . <Just|
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00000580 75 73 74 69 6e 46 6c 65 74 63 68 65 72 3e 2c 20 |ustinFletcher>, |
00000590 31 39 39 35 20 61 6e 64 20 69 73 20 72 65 6c 65 |1995 and is rele|
000005a0 61 73 65 64 20 69 6e 74 6f 20 74 68 65 20 50 75 |ased into the Pu|
000005b0 62 6c 69 63 20 44 6f 6d 61 69 6e 20 77 69 74 68 |blic Domain with|
000005c0 20 74 68 65 20 73 61 6d 65 20 72 65 73 74 72 69 | the same restri|
000005d0 63 74 69 6f 6e 73 20 61 73 20 73 75 62 73 69 73 |ctions as subsis|
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00000620 74 65 64 20 74 68 65 20 65 6e 74 69 72 65 20 61 |ted the entire a|
00000630 70 70 6c 69 63 61 74 69 6f 6e 20 6d 75 73 74 20 |pplication must |
00000640 72 65 6d 61 69 6e 20 69 6e 74 61 63 74 2e 00 00 |remain intact...|
00000650 44 41 54 41 10 03 00 00 41 72 63 57 65 62 4c 54 |DATA....ArcWebLT|
00000660 50 0a 7b 66 48 34 7d 41 72 63 57 65 62 20 4c 6f |P.{fH4}ArcWeb Lo|
00000670 63 61 6c 20 54 72 61 6e 73 66 65 72 20 50 72 6f |cal Transfer Pro|
00000680 74 6f 63 6f 6c 7b 66 7d 0a 57 68 69 6c 73 74 20 |tocol{f}.Whilst |
00000690 41 72 63 57 65 62 27 73 20 62 75 69 6c 74 20 69 |ArcWeb's built i|
000006a0 6e 20 6c 6f 63 61 6c 20 74 72 61 6e 73 66 65 72 |n local transfer|
000006b0 20 65 6e 67 69 6e 65 20 69 73 20 76 65 72 79 20 | engine is very |
000006c0 67 6f 6f 64 2c 20 6f 6e 65 20 6f 66 20 74 68 65 |good, one of the|
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000006f0 73 63 72 69 70 74 73 2e 20 54 68 65 73 65 20 61 |scripts. These a|
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000007c0 63 75 74 65 20 42 41 53 49 43 20 66 69 6c 65 73 |cute BASIC files|
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000007e0 68 20 6d 6f 72 65 20 66 75 6e 20 74 68 61 6e 20 |h more fun than |
000007f0 63 73 68 20 73 63 72 69 70 74 73 2c 20 61 6e 64 |csh scripts, and|
00000800 20 61 6c 6d 6f 73 74 20 61 73 20 67 6f 6f 64 20 | almost as good |
00000810 61 73 20 77 72 69 74 69 6e 67 20 50 65 72 6c 2e |as writing Perl.|
00000820 0a 0a 41 72 63 57 65 62 4c 54 50 20 69 73 20 6d |..ArcWebLTP is m|
00000830 79 20 69 6d 70 6c 65 6d 65 6e 74 61 74 69 6f 6e |y implementation|
00000840 20 6f 66 20 61 20 43 47 49 20 61 6e 64 20 73 74 | of a CGI and st|
00000850 61 6e 64 61 72 64 20 66 65 74 63 68 20 70 72 6f |andard fetch pro|
00000860 74 6f 63 6f 6c 2c 20 61 6e 64 20 61 6c 6c 6f 77 |tocol, and allow|
00000870 73 20 79 6f 75 20 74 6f 20 73 70 65 63 69 66 79 |s you to specify|
00000880 20 70 61 74 68 73 20 61 73 20 6c 74 70 3a 2f 2f | paths as ltp://|
00000890 24 2e 77 77 77 2e 73 65 72 76 65 72 2f 75 73 65 |$.www.server/use|
000008a0 72 73 2f 67 65 72 70 68 2f 61 75 61 64 64 2e 68 |rs/gerph/auadd.h|
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000008f0 74 68 65 20 70 61 74 68 73 20 49 27 6d 20 63 75 |the paths I'm cu|
00000900 72 72 65 6e 74 6c 79 20 75 73 69 6e 67 20 74 6f |rrently using to|
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00000950 2c 20 62 79 20 74 68 65 20 77 61 79 2e 2e 2e 0a |, by the way....|
00000960 44 49 52 24 e0 00 00 00 e0 00 00 00 40 0a 00 00 |DIR$........@...|
00000970 46 ff ff ff 8b b4 ae d9 94 01 00 00 13 00 00 00 |F...............|
00000980 00 00 00 00 69 6e 69 74 63 67 69 00 d4 0b 00 00 |....initcgi.....|
00000990 46 ff ff ff 80 bd 99 d9 b5 00 00 00 13 00 00 00 |F...............|
000009a0 00 00 00 00 63 67 69 65 72 72 6f 72 00 00 00 00 |....cgierror....|
000009b0 8c 0c 00 00 46 ff ff ff c0 9c 9a d9 d6 00 00 00 |....F...........|
000009c0 13 00 00 00 00 00 00 00 63 67 69 68 65 61 64 65 |........cgiheade|
000009d0 72 00 00 00 64 0d 00 00 46 ff ff ff 88 63 9b d9 |r...d...F....c..|
000009e0 a8 01 00 00 13 00 00 00 00 00 00 00 63 67 69 70 |............cgip|
000009f0 61 72 73 65 64 61 74 61 00 00 00 00 0c 0f 00 00 |arsedata........|
00000a00 46 ff ff ff c8 a0 9c d9 c8 00 00 00 13 00 00 00 |F...............|
00000a10 00 00 00 00 61 73 73 69 67 6e 00 00 d4 0f 00 00 |....assign......|
00000a20 46 ff ff ff 05 a1 0d da 90 00 00 00 13 00 00 00 |F...............|
00000a30 00 00 00 00 63 67 69 64 69 76 69 64 65 72 00 00 |....cgidivider..|
00000a40 44 41 54 41 94 01 00 00 50 52 4f 43 69 6e 69 74 |DATA....PROCinit|
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00000b30 65 6e 74 2e 0a 0a 54 68 69 73 20 72 6f 75 74 69 |ent...This routi|
00000b40 6e 65 20 61 6c 73 6f 20 73 65 74 73 20 74 68 65 |ne also sets the|
00000b50 20 76 61 72 69 61 62 6c 65 20 7b 2f 7d 73 63 72 | variable {/}scr|
00000b60 69 70 74 64 69 72 24 7b 2f 7d 20 74 6f 20 70 6f |iptdir${/} to po|
00000b70 69 6e 74 20 74 6f 20 74 68 65 20 64 69 72 65 63 |int to the direc|
00000b80 74 6f 72 79 20 74 68 65 20 73 63 72 69 70 74 20 |tory the script |
00000b90 77 61 73 20 72 75 6e 20 66 72 6f 6d 2c 20 61 73 |was run from, as|
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00000c10 7b 2f 7d 09 65 72 72 6f 72 20 6d 65 73 73 61 67 |{/}.error messag|
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