Director/!Director/Menus/System/ExpPath

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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.

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Archimedes archive » Acorn User » AU 1995-10.adf » !Direct » Director/!Director/Menus/System/ExpPath
Archimedes archive » Acorn User » AU 1998-09.adf » Features » DesktopPD/Director/!Director/Menus/System/ExpPath

File contents

    1REM >Director:Menus.System.ExpPath
    2
    3REM This expands a path into a serious of menu entries
    4REM By SJM (simon@uniqway.demon.co.uk)
    5
    6REM Call with the Path variable to be expanded as the argument
    7REM eg "Dynamic:/Director:Menus.System.ExpPath C"
    8
    9REM 1.00 15/5/95 SJM Started
   10REM 1.01 23/5/95 SJM Fixed bug with Foo: path entries
   11REM 1.02 26/5/95 NCW Made it recurse in Foo:Bar entries also
   12REM                  Collapses paths as far as possible
   13
   14ON ERROR: ON ERROR OFF: ERROR ERR,REPORT$+" at "+STR$ERL
   15
   16REM set this to false if you don't want nested paths to be expanded also
   17allow_recurse=TRUE
   18
   19debug=FALSE
   20
   21XOS_Module=FNswi_number("XOS_Module")
   22Menu=FNswi_number("Director_Menu")
   23EndMenu=FNswi_number("Director_EndMenu")
   24Option=FNswi_number("Director_Option")
   25Command=FNswi_number("Director_Command")
   26Dash=FNswi_number("Director_Dash")
   27XOS_ReadVarVal=FNswi_number("XOS_ReadVarVal")
   28
   29buffer_size%=1024
   30DIM buffer% buffer_size%
   31
   32SYS"OS_GetEnv" TO A$
   33
   34PROCskippast
   35WHILERIGHT$(A$,1)=" " A$=LEFT$(A$):ENDWHILE
   36IFFNuc(LEFT$(A$,5))="-QUIT" THEN PROCskippast : PROCskippast
   37path$=A$
   38
   39title$=path$
   40IF FNreduce(path$, dir$, TRUE) THEN
   41  PROCmake_menu
   42  OSCLI"Set Director$Menu ExpandedPath"
   43ELSE
   44  path$+=dir$
   45  IF "." = RIGHT$(path$) THEN path$ = LEFT$(path$)
   46  OSCLI"Set Director$Menu Path:"+path$
   47ENDIF
   48
   49END
   50
   51DEF PROCmake_menu
   52  SYS Menu,""""+title$+""" ExpandedPath -temp"
   53  
   54  REPEAT
   55    comma%=INSTR(path$,",",1)
   56    IF comma% THEN
   57      IF comma% = 1 THEN
   58         element$=""
   59      ELSE
   60         element$=LEFT$(path$,comma%-1)
   61      ENDIF
   62      path$=MID$(path$,comma%+1)
   63    ELSE
   64      element$=path$
   65      path$=""
   66    ENDIF
   67  
   68    element$+=dir$
   69    IF element$="" THEN element$="@"
   70  
   71    recurse%=FNreduce(element$, edir$, FALSE)
   72    element$+=edir$
   73    IF allow_recurse=0 THEN recurse%=FALSE
   74  
   75    IF "." = RIGHT$(element$) THEN element$ = LEFT$(element$)
   76    IF recurse% THEN
   77      SYS Option,""""+element$+""" -sub ""Dynamic:/Director:Menus.System.ExpPath "+element$+""" -sprite small_path"
   78    ELSE
   79      SYS Option,"-path "+element$+" -up"
   80    ENDIF
   81  
   82  UNTIL path$=""
   83  
   84  SYS EndMenu
   85ENDPROC
   86
   87DEF FNreduce(RETURN path$, RETURN dir$, all_the_way%)
   88LOCAL done%,p%,q%,var$,a$,more%
   89  dir$=""
   90  more%=FALSE
   91  REPEAT
   92    IF debug THEN SYS Option,"["+path$+dir$+"] -grey"
   93    done%=TRUE
   94    p%=INSTR(path$,":")
   95    IF p% THEN
   96      var$=FNread(LEFT$(path$,p%-1)+"$Path")
   97      IF var$<>"" THEN
   98
   99        q%=INSTR(var$,",")
  100        IF q%=0 OR all_the_way% THEN
  101          a$=MID$(path$,p%+1)
  102          IF RIGHT$(a$)<>"." AND a$<>"" THEN a$+="."
  103          dir$=a$+dir$
  104          path$=var$
  105          IF RIGHT$(dir$)="." THEN dir$=LEFT$(dir$)
  106          IF q%=0 THEN done%=FALSE ELSE more%=TRUE
  107        ELSE
  108          more%=TRUE
  109        ENDIF
  110
  111      ENDIF
  112    ENDIF
  113  UNTIL done%
  114=more%
  115
  116DEF FNswi_number(name$)
  117  SYS "OS_SWINumberFromString",,name$ TO A%
  118=A%
  119
  120DEF FN0(a%)
  121s$=""
  122WHILE ?a%<>0
  123 s$+=CHR$?a%
  124 a%+=1
  125ENDWHILE
  126=s$
  127
  128
  129DEF PROCskiptospace WHILELEFT$(A$,1)<>" "ANDLENA$<>0 A$=MID$(A$,2):ENDWHILE:ENDPROC
  130DEF PROCskipspace WHILELEFT$(A$,1)=" " A$=MID$(A$,2):ENDWHILE:ENDPROC
  131DEF PROCskippast PROCskiptospace:PROCskipspace:ENDPROC
  132
  133DEF FNuc(a$)
  134LOCALZ%,z$,b$
  135FORZ%=1TOLENa$
  136z$=MID$(a$,Z%,1)
  137IFz$>="a"IFz$<="z" z$=CHR$(ASCz$-32)
  138b$+=z$:NEXT
  139=b$
  140
  141DEF FNleaf(path$)
  142leaf$=""
  143FOR I=LENpath$ TO 1 STEP -1
  144  IF "." = MID$(path$,I,1) THEN =MID$(path$,I+1)
  145NEXT
  146=path$
  147
  148DEF FNread(a$)
  149LOCAL read%,flags%
  150  ?buffer%=13
  151  SYS XOS_ReadVarVal,a$,buffer%,buffer_size%,0,3 TO ,,read%;flags%
  152  IF flags% AND 1 THEN read%=0
  153  buffer%?read%=13
  154=$buffer%

$� >Director:Menus.System.ExpPath

8� This expands a path into a serious of menu entries
(� By SJM (simon@uniqway.demon.co.uk)

@� Call with the Path variable to be expanded as the argument
3� eg "Dynamic:/Director:Menus.System.ExpPath C"

	� 1.00 15/5/95 SJM Started

7� 1.01 23/5/95 SJM Fixed bug with Foo: path entries
>� 1.02 26/5/95 NCW Made it recurse in Foo:Bar entries also
9�                  Collapses paths as far as possible


 � �: � � �: � �,�$+" at "+Þ

J� set this to false if you don't want nested paths to be expanded also
allow_recurse=�

debug=�

(XOS_Module=�swi_number("XOS_Module")
%Menu=�swi_number("Director_Menu")
+EndMenu=�swi_number("Director_EndMenu")
)Option=�swi_number("Director_Option")
+Command=�swi_number("Director_Command")
%Dash=�swi_number("Director_Dash")
0XOS_ReadVarVal=�swi_number("XOS_ReadVarVal")

buffer_size%=1024
� buffer% buffer_size%

 ș"OS_GetEnv" � A$
!
"
�skippast
#ȕ�A$,1)=" " A$=�A$):�
$0�uc(�A$,5))="-QUIT" � �skippast : �skippast
%path$=A$
&
'title$=path$
(� �reduce(path$, dir$, �) �
)  �make_menu
*'  �"Set Director$Menu ExpandedPath"
+�
,  path$+=dir$
-'  � "." = �path$) � path$ = �path$)
.&  �"Set Director$Menu Path:"+path$
/�
0
1�
2
3� �make_menu
41  ș Menu,""""+title$+""" ExpandedPath -temp"
5  
6  �
7    comma%=�path$,",",1)
8    � comma% �
9      � comma% = 1 �
:         element$=""
;      �
<&         element$=�path$,comma%-1)
=      �
>       path$=�path$,comma%+1)
?	    �
@      element$=path$
A      path$=""
B	    �
C  
D    element$+=dir$
E$    � element$="" � element$="@"
F  
G,    recurse%=�reduce(element$, edir$, �)
H    element$+=edir$
I&    � allow_recurse=0 � recurse%=�
J  
K2    � "." = �element$) � element$ = �element$)
L    � recurse% �
Mv      ș Option,""""+element$+""" -sub ""Dynamic:/Director:Menus.System.ExpPath "+element$+""" -sprite small_path"
N	    �
O,      ș Option,"-path "+element$+" -up"
P	    �
Q  
R  � path$=""
S  
T  ș EndMenu
U�
V
W,� �reduce(� path$, � dir$, all_the_way%)
X� done%,p%,q%,var$,a$,more%
Y
  dir$=""
Z
  more%=�
[  �
\4    � debug � ș Option,"["+path$+dir$+"] -grey"
]    done%=�
^    p%=�path$,":")
_    � p% �
`*      var$=�read(�path$,p%-1)+"$Path")
a      � var$<>"" �
b
c        q%=�var$,",")
d#        � q%=0 � all_the_way% �
e          a$=�path$,p%+1)
f,          � �a$)<>"." � a$<>"" � a$+="."
g          dir$=a$+dir$
h          path$=var$
i(          � �dir$)="." � dir$=�dir$)
j(          � q%=0 � done%=� � more%=�
k
        �
l          more%=�
m
        �
n
o      �
p	    �
q
  � done%
r
=more%
s
t� �swi_number(name$)
u-  ș "OS_SWINumberFromString",,name$ � A%
v=A%
w
x� �0(a%)
y	s$=""
z
ȕ ?a%<>0
{
 s$+=�?a%
|
 a%+=1
}�
~=s$

�
�5� �skiptospace ȕ�A$,1)<>" "��A$<>0 A$=�A$,2):�:�
�+� �skipspace ȕ�A$,1)=" " A$=�A$,2):�:�
�)� �skippast �skiptospace:�skipspace:�
�
�
� �uc(a$)
�
�Z%,z$,b$
�
�Z%=1��a$
�z$=�a$,Z%,1)
�!�z$>="a"�z$<="z" z$=�(�z$-32)
�b$+=z$:�
�=b$
�
�� �leaf(path$)
�leaf$=""
�� I=�path$ � 1 � -1
�(  � "." = �path$,I,1) � =�path$,I+1)
��
�
=path$
�
�� �read(a$)
�� read%,flags%
�  ?buffer%=13
�D  ș XOS_ReadVarVal,a$,buffer%,buffer_size%,0,3 � ,,read%;flags%
�  � flags% � 1 � read%=0
�  buffer%?read%=13
�
=$buffer%
�

00000000  0d 00 01 24 f4 20 3e 44  69 72 65 63 74 6f 72 3a  |...$. >Director:|
00000010  4d 65 6e 75 73 2e 53 79  73 74 65 6d 2e 45 78 70  |Menus.System.Exp|
00000020  50 61 74 68 0d 00 02 04  0d 00 03 38 f4 20 54 68  |Path.......8. Th|
00000030  69 73 20 65 78 70 61 6e  64 73 20 61 20 70 61 74  |is expands a pat|
00000040  68 20 69 6e 74 6f 20 61  20 73 65 72 69 6f 75 73  |h into a serious|
00000050  20 6f 66 20 6d 65 6e 75  20 65 6e 74 72 69 65 73  | of menu entries|
00000060  0d 00 04 28 f4 20 42 79  20 53 4a 4d 20 28 73 69  |...(. By SJM (si|
00000070  6d 6f 6e 40 75 6e 69 71  77 61 79 2e 64 65 6d 6f  |mon@uniqway.demo|
00000080  6e 2e 63 6f 2e 75 6b 29  0d 00 05 04 0d 00 06 40  |n.co.uk).......@|
00000090  f4 20 43 61 6c 6c 20 77  69 74 68 20 74 68 65 20  |. Call with the |
000000a0  50 61 74 68 20 76 61 72  69 61 62 6c 65 20 74 6f  |Path variable to|
000000b0  20 62 65 20 65 78 70 61  6e 64 65 64 20 61 73 20  | be expanded as |
000000c0  74 68 65 20 61 72 67 75  6d 65 6e 74 0d 00 07 33  |the argument...3|
000000d0  f4 20 65 67 20 22 44 79  6e 61 6d 69 63 3a 2f 44  |. eg "Dynamic:/D|
000000e0  69 72 65 63 74 6f 72 3a  4d 65 6e 75 73 2e 53 79  |irector:Menus.Sy|
000000f0  73 74 65 6d 2e 45 78 70  50 61 74 68 20 43 22 0d  |stem.ExpPath C".|
00000100  00 08 04 0d 00 09 1e f4  20 31 2e 30 30 20 31 35  |........ 1.00 15|
00000110  2f 35 2f 39 35 20 53 4a  4d 20 53 74 61 72 74 65  |/5/95 SJM Starte|
00000120  64 0d 00 0a 37 f4 20 31  2e 30 31 20 32 33 2f 35  |d...7. 1.01 23/5|
00000130  2f 39 35 20 53 4a 4d 20  46 69 78 65 64 20 62 75  |/95 SJM Fixed bu|
00000140  67 20 77 69 74 68 20 46  6f 6f 3a 20 70 61 74 68  |g with Foo: path|
00000150  20 65 6e 74 72 69 65 73  0d 00 0b 3e f4 20 31 2e  | entries...>. 1.|
00000160  30 32 20 32 36 2f 35 2f  39 35 20 4e 43 57 20 4d  |02 26/5/95 NCW M|
00000170  61 64 65 20 69 74 20 72  65 63 75 72 73 65 20 69  |ade it recurse i|
00000180  6e 20 46 6f 6f 3a 42 61  72 20 65 6e 74 72 69 65  |n Foo:Bar entrie|
00000190  73 20 61 6c 73 6f 0d 00  0c 39 f4 20 20 20 20 20  |s also...9.     |
000001a0  20 20 20 20 20 20 20 20  20 20 20 20 20 43 6f 6c  |             Col|
000001b0  6c 61 70 73 65 73 20 70  61 74 68 73 20 61 73 20  |lapses paths as |
000001c0  66 61 72 20 61 73 20 70  6f 73 73 69 62 6c 65 0d  |far as possible.|
000001d0  00 0d 04 0d 00 0e 20 ee  20 85 3a 20 ee 20 85 20  |...... . .: . . |
000001e0  87 3a 20 85 20 9f 2c f6  24 2b 22 20 61 74 20 22  |.: . .,.$+" at "|
000001f0  2b c3 9e 0d 00 0f 04 0d  00 10 4a f4 20 73 65 74  |+.........J. set|
00000200  20 74 68 69 73 20 74 6f  20 66 61 6c 73 65 20 69  | this to false i|
00000210  66 20 79 6f 75 20 64 6f  6e 27 74 20 77 61 6e 74  |f you don't want|
00000220  20 6e 65 73 74 65 64 20  70 61 74 68 73 20 74 6f  | nested paths to|
00000230  20 62 65 20 65 78 70 61  6e 64 65 64 20 61 6c 73  | be expanded als|
00000240  6f 0d 00 11 13 61 6c 6c  6f 77 5f 72 65 63 75 72  |o....allow_recur|
00000250  73 65 3d b9 0d 00 12 04  0d 00 13 0b 64 65 62 75  |se=.........debu|
00000260  67 3d a3 0d 00 14 04 0d  00 15 28 58 4f 53 5f 4d  |g=........(XOS_M|
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00000290  00 16 25 4d 65 6e 75 3d  a4 73 77 69 5f 6e 75 6d  |..%Menu=.swi_num|
000002a0  62 65 72 28 22 44 69 72  65 63 74 6f 72 5f 4d 65  |ber("Director_Me|
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00000420  70 61 73 74 20 3a 20 f2  73 6b 69 70 70 61 73 74  |past : .skippast|
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000005c0  65 6e 74 24 3d 22 22 0d  00 3b 0b 20 20 20 20 20  |ent$=""..;.     |
000005d0  20 cc 0d 00 3c 26 20 20  20 20 20 20 20 20 20 65  | ...<&         e|
000005e0  6c 65 6d 65 6e 74 24 3d  c0 70 61 74 68 24 2c 63  |lement$=.path$,c|
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00000640  61 74 68 24 0d 00 41 12  20 20 20 20 20 20 70 61  |ath$..A.      pa|
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00000730  20 65 6c 65 6d 65 6e 74  24 20 3d 20 c0 65 6c 65  | element$ = .ele|
00000740  6d 65 6e 74 24 29 0d 00  4c 14 20 20 20 20 e7 20  |ment$)..L.    . |
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00000d80  25 0d ff                                          |%..|
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