-
Notifications
You must be signed in to change notification settings - Fork 0
/
SMED.BAS
270 lines (269 loc) · 9.44 KB
/
SMED.BAS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
REM ==============================
REM SMED - A Small Line Editor
REM ==============================
VERSION$="0.2.1"
REM ==============================
BBCWIN%=TRUE : REM Set this flag if develping in BBC Basic For Windows
REM ==============================
IF BBCWIN% THEN
INSTALL "SMED_STRLIB.BAS" : REM #BBCWIN#
INSTALL "SMED_PARSECMD.BAS" : REM #BBCWIN#
ELSE
LIBRARY "<smed$dir>.smed_strlib" : REM #RISCOS#
LIBRARY "<smed$dir>.smed_parseCmd" : REM #RISCOS#
MODE 32 : COLOUR 125 : REM #RISCOS#
ENDIF
REM ==============================
DIM temp$(10)
MAXLINES% =9999
DIM fileData$(MAXLINES%)
currentLine% =1
lineCount% =0
PAGESIZE% =60
REM ==============================
REM Extract the name of the file
REM to be edited from the command
REM and read it into fileData$
REM =============================
IF BBCWIN% THEN
fileName$ = "" : REM #BBCWIN#
ELSE
SYS "OS_GetEnv" TO cmdLine$ : REM #RISCOS#
PROCsplitStr(cmdLine$, " ", n%, temp$()) : REM #RISCOS#
fileName$=temp$(n%) : REM #RISCOS#
ENDIF
IF LEN(fileName$)<1 THEN INPUT"Enter File Name", fileName$
f1% = OPENIN(fileName$)
IF f1%<1 THEN
PRINT "Creating new file"
REM When you create an empty file you need at
REM least one empty line
currentLine% =1
lineCount% =1
fileData$(1)=""
ELSE
WHILE NOT EOF#f1%
lineCount% +=1
fileData$(lineCount%) =GET$#f1%
ENDWHILE
ENDIF
CLOSE#f1%
IF NOT FNsaveFile(fileName$+"_BCK", fileData$(), lineCount%) THEN
PRINT "Failed to write backup file" : PROCexitSmed
PRINT "End of input file : "+fileName$+" : "+STR$(lineCount%)+" lines"
ENDIF
:
REM Initial load of lines into file
:
REM - Main Loop
WHILE TRUE
INPUT LINE "SMED>"cmdText$
PROCparseCmd(cmdText$, currentLine%, lineCount%, cmd$, n1%, n2%, n3%, n4%, s1$)
REM PRINT "DEBUG:"+cmd$
IF (cmd$="EDLN") THEN PROCeditLine(fileData$(), currentLine%, n1%)
IF (cmd$="a" OR cmd$="A") THEN PROCappendLine(fileData$(), lineCount%, currentLine%)
IF (cmd$="c" OR cmd$="C") THEN PROCcopyLine(fileData$(), n1%, n2%, n3%, n4%)
IF (cmd$="d" OR cmd$="D") THEN PROCdeleteLine(fileData$(), lineCount%, currentLine%, n1%, n2%)
IF (cmd$="e" OR cmd$="E") THEN PROCsaveExit(fileData$(), s1$)
IF (cmd$="i" OR cmd$="I") THEN PROCinsertLine(fileData$(), lineCount%, currentLine%, n1%)
IF (cmd$="l" OR cmd$="L") THEN PROClistLine(fileData$(), n1%, lineCount%, currentLine%)
IF (cmd$="m" OR cmd$="M") THEN PROCmoveLine(fileData$(), n1%, n2%, n3%)
IF (cmd$="p" OR cmd$="P") THEN PROCprintLine(fileData$(), n1%, n2%, lineCount%, currentLine%)
IF (cmd$="q" OR cmd$="Q") THEN PROCexitSmed
IF (cmd$="r" OR cmd$="R") THEN PROCreplaceLine(fileData$(), n1%, n2%)
IF (cmd$="s" OR cmd$="S") THEN PROCsearchLine(fileData$(), n1%, n2%)
IF (cmd$="t" OR cmd$="T") THEN PROCtransferLine(fileData$(), n1%, s1$)
IF (cmd$="w" OR cmd$="W") THEN PROCwriteFile(fileData$(), fileName$, lineCount%, s1$)
IF (cmd$="h" OR cmd$="h") THEN PROChelp
ENDWHILE
:
END
:
DEF FNsaveFile(filename$, fdata$(), nl%)
LOCAL i% : LOCAL f%
f%=OPENOUT(filename$)
IF f%<1 THEN =FALSE
FOR i% =1 TO nl%
REM PRINT "DEBUG:" fdata$(i%)
BPUT#f%,fdata$(i%)
NEXT
CLOSE#f%
REM OSCLI "SETTYPE "+filename$+" TEXT"
=TRUE
:
DEF PROCeditLine(RETURN f$(), RETURN currentLine%, lineNum%)
PRINT " * "f$(lineNum%)
INPUT LINE " * "a$
IF a$<>"." THEN f$(lineNum%) =a$ : currentLine% =lineNum%
ENDPROC
:
DEF PROCaddLine(RETURN f$(), nLines%, text$)
ENDPROC
:
DEF PROCcopyLine(RETURN f$(), fromLine%, toLine%, beforeLine%, nCopies%)
ENDPROC
:
DEF PROCsaveExit(RETURN f$(), saveFile$)
PROCwriteFile(f$(), fileName$, lineCount%, saveFile$)
PROCexitSmed
ENDPROC
:
DEF PROCinsert(RETURN f$(), RETURN nLines%, a$(), iLines%, insLine%)
REM First starting at the bottom shift all the
REM lines down by iLines% as far as and including insLine%
LOCAL i%
FOR i% =nLines% TO insLine% STEP -1
f$(i%+iLines%) =f$(i%)
NEXT
REM Then add the insert lines into the gap
FOR i% =1 TO iLines%
f$(insLine%+i%-1) =a$(i%)
NEXT
nLines% +=iLines%
ENDPROC
:
DEF PROCdelete(RETURN f$(), RETURN nLines%, dLines%, delLine%)
REM Shift lines from line after last line to delete to
REM the firstline to delete
LOCAL i%
FOR i% =delLine% TO nLines%
f$(i%) = f$(i%+dLines%)
NEXT
nLines% -=dLines%
ENDPROC
:
DEF PROCappendLine(RETURN f$(), RETURN nLines%, RETURN currLine%)
LOCAL a$, lineBuffer$(), lineCount%
lineCount%=0
LOCAL flg : flg =FALSE
DIM lineBuffer$(100)
WHILE flg=FALSE
INPUT" * "a$
IF a$="." THEN
flg = TRUE
ELSE
lineCount% +=1
lineBuffer$(lineCount%) =a$
ENDIF
ENDWHILE
IF lineCount%>0 THEN
PROCinsert(f$(), nLines%, lineBuffer$(), lineCount%, nLines%+1)
ENDIF
currLine% =nLines%
ENDPROC
:
DEF PROCinsertLine(RETURN f$(), RETURN nLines%, RETURN currLine%, beforeLine%)
LOCAL a$, lineBuffer$(), lineCount%
lineCount% =0
LOCAL flg : flg =FALSE
DIM lineBuffer$(100)
IF beforeLine%=0 THEN
beforeLine% =currLine%
ELSE
currLine% =beforeLine%
ENDIF
WHILE flg=FALSE
INPUT" * "a$
IF a$="." THEN
flg = TRUE
ELSE
lineCount% +=1
lineBuffer$(lineCount%) =a$
ENDIF
ENDWHILE
IF lineCount%>0 THEN
PROCinsert(f$(), nLines%, lineBuffer$(), lineCount%, beforeLine%)
ENDIF
ENDPROC
:
DEF PROCdeleteLine(RETURN f$(), RETURN nLines%, RETURN currLine%, startLine%, endLine%)
IF startLine%=0 THEN startLine%=currLine%
IF endLine%=0 THEN endLine% =startLine%
IF startLine%>endLine% THEN ENDPROC
PROCdelete(f$(), nLines%, endLine%-startLine%+1, startLine%)
ENDPROC
:
DEF PROClistLine(RETURN f$(), atLine%, nLines%, currLine%)
LOCAL sl%, el%
IF atLine%=0 THEN atLine%=currLine%
sl% =atLine%-11
IF sl%<1 THEN sl%=1
el% =sl%+22
IF el%>nLines% THEN el% =nLines% : sl% =el%-23
IF sl%<=0 THEN sl% =1 : el% = nLines%
PROCprintLine(f$(), sl%, el%, nLines%, currLine%)
ENDPROC
:
DEF PROCmoveLine(RETURN f$(), fromLine%, toLine%, beforeLine%)
ENDPROC
:
DEF PROCprintLine(RETURN f$(), fromLine%, toLine%, nLines%, currLine%)
IF nLines%>0 THEN
LOCAL x%, pcount%, i$, c$
REM PRINT "DEBUG:",fromLine%, toLine%, nLines%
pcount% =0
IF fromLine%=0 THEN fromLine% =1
IF toLine%=0 THEN toLine% =nLines%
x% =fromLine%
IF toLine%>=fromLine% THEN
WHILE x%<=toLine%
IF x%=currLine% THEN c$ ="*" ELSE c$ = " "
REM PRINT "DEBUG: Line Length:";LENf$(x%)
PRINT FNlPad(STR$(x%),4)+c$+": "+ LEFT$(f$(x%),80)
pcount% +=1
x% +=1
IF pcount%>PAGESIZE% THEN
pcount% =0
INPUT"Next Page [y]",i$
IF (i$<> "y" AND i$<>"") THEN ENDPROC
ENDIF
ENDWHILE
ENDIF
ENDIF
ENDPROC
:
DEF PROCreplaceLine(RETURN f$(), fromLine%, toLine%)
ENDPROC
:
DEF PROCsearchLine(RETURN f$(), fromLine%, toLine%)
ENDPROC
:
REM Insert a file at a location
DEF PROCtransferLine(RETURN f$(), beforeLine%, filename$)
ENDPROC
:
DEF PROCwriteFile(f$(), RETURN fileName$, lineCount%, a$)
IF a$<>"" THEN fileName$ = a$
IF NOT FNsaveFile(fileName$, fileData$(), lineCount%) THEN PRINT "Failed to write file"
ENDPROC
:
DEF PROChelp
PRINT "------------------------------------------------------------"
PRINT " SMED - A Small Text Editor - [email protected]"
PRINT " Version : "+VERSION$
PRINT "------------------------------------------------------------"
PRINT "n - Edit Line n - finish editing using ."
PRINT "A - Append Line to end of file"
PRINT "x,y,a,nC - Copy/Insert Lines x to y to a, n times"
PRINT "a,bD - Delete Lines a to b"
PRINT "E - Save and Exit"
PRINT "nI - Insert Line at n"
PRINT "nL - List Line centered around n"
PRINT "M - Move Line x to y to after a"
PRINT "Q - Quit without save"
PRINT "S - Search (Not yet implemented)"
PRINT "R - Replace (Not yet implemented)"
PRINT "T - Transfer (Not yet implemented)"
PRINT "W - Write File"
PRINT "H - Help"
PRINT "------------------------------------------------------------"
ENDPROC
:
DEF PROCexitSmed
IF BBCWIN% THEN
QUIT : REM #BBC#
ELSE
COLOUR 63 : END : REM #RISCOS#
ENDIF
ENDPROC