-
Notifications
You must be signed in to change notification settings - Fork 0
/
renumber.js
156 lines (135 loc) · 5 KB
/
renumber.js
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
var debug = false;
if (process.argv.length<3 || process.argv.length>5) {
console.log();
console.log(" ***************************************")
console.log(" * BASIC Applesoft RENUMBER (simple) *");
console.log(" ***************************************")
console.log();
console.log("Usage: node path/to/renumber.js path/to/basic/file [path/to/new/basic/file] [line_increment]");
console.log();
console.log("The file is supposed to contain BASIC APPLESOFT code (extracted with CiderPress for example)");
console.log("But it will certainly work with any other BASIC code.")
console.log("If omitted, new_basic_file will be the same as original with extension .new.xxx where xxx is original extension.")
console.log("If omitted, line_increment will be set to 10.");
console.log("Renumber does not work with GOTO/GOSUB VARIABLE");
console.log();
console.log("(c)- 2017 François Vander Linden - Licence is \"Do What The F*ck You Want (the asterisk is a 'U' in case you're wondering)\"");
process.exit();
}
// https://stackoverflow.com/questions/10834796/validate-that-a-string-is-a-positive-integer
var isNormalInteger = function (str) {
return /^\+?(0|[1-9]\d*)$/.test(str);
}
var fs = require("fs");
var inFile = process.argv[2];
var outFile;
var inc;
var readlin = fs.readFileSync(inFile).toString().split('\n');
if (process.argv[3] && !isNormalInteger(process.argv[3])) {
outFile = process.argv[3];
inc = process.argv[4] || 10;
} else {
inc = process.argv[3] || 10;
p = inFile.lastIndexOf(".");
if (p<0) outFile = inFile + ".new";
else outFile = inFile.substring(0,p) + ".new" + inFile.substring(p);
}
console.log("File input: " + inFile);
console.log("File output: " + outFile);
console.log("Line increment: " + inc);
var lines = [];
var newLines = [];
console.log("First pass ...");
for (i=0, cnt=0; i< readlin.length; i++, cnt++) {
readlin[i] = readlin[i].replace('\r','').trim();
//console.log(i + "-" + cnt + ": '" + readlin[i] + "'");
if (readlin[i]!='') {
sp = readlin[i].indexOf(" "); // first space
if (sp==0) sp = readlin[i].indexOf(" ",1);
if (sp>=0) {
oldNum = parseInt(readlin[i].substring(0, sp));
code = readlin[i].substr(sp).trim();
newNum = (cnt+1)*inc;
lines.push({oldNum: oldNum, newNum: newNum, code: code, cnt: cnt});
}
} else cnt--;
}
if (debug) console.log(lines);
//r = /(GOTO|GOSUB|THEN)(\s*)(\d+)(?:(\s*,\s*)(\d+))*/ig ;
r = /\b(GO(?:TO|SUB)|THEN)(\s*)(\d+)((?:\s*,\s*\d+)*)/gi;
r2 = /(\s*,)(\s*)(\d+)/gi
console.log("Second pass & renumber ...");
for (i=0; i<lines.length; i++) {
code = lines[i].code;
if (debug) {
console.log(" : 0 1 2 3 4 5 6 7 ");
console.log(" : 012345678901234567890123456789012345678901234567890123456789012345678901");
console.log(" CODE: " + code);
}
newCode = '';
cnt = 0;
cs = 0;
while ((match = r.exec(code)) != null) {
//console.log(match);
newCode = newCode + code.substring(cs, match.index);
if (debug) {
console.log(" FILL:" + (cs ? " " : "") + Array(cs).join("_") + ">" + code.substring(cs, match.index) + "<_______....");
console.log(" MATCH: " + Array(match.index+1).join(" ") + match[0]);
console.log("NEWCODE:'" + newCode + "'");
}
for (j=0; j<match.length; j++) {
if (typeof match[j] !== 'undefined' && j!=0) {
//console.log(j + ": " + match[j]);
if (isNormalInteger(match[j])) {
newCode = newCode + findNewLine(match[j]);
} else {
var count = (match[j].match(/,/g) || []).length; // let's find commas
if (count>=2) {
// we have to refine results ...
while ((match2 = r2.exec(match[j])) != null) {
for (k= 0; k<match2.length; k++) {
if (typeof match2[k] !== 'undefined' && k!=0) {
if (isNormalInteger(match2[k])) {
newCode = newCode + findNewLine(match2[k]);
} else {
//console.log ("MATCHK: '" + match2[k] + "'");
newCode = newCode + match2[k];
}
}
}
}
} else {
if (j!=0) newCode = newCode + match[j];
}
}
if (debug) console.log("NEWCODE:'" + newCode + "'");
}
}
cs = match.index + match[0].length;
if (debug) console.log(" " + Array(cs+1).join(" ") + "^");
cnt++;
}
if (debug) console.log(" FINAL: " + newCode);
if (newCode != '') {
lines[i].newCode = newCode;
newLines.push(lines[i].newNum + " " + lines[i].newCode);
} else {
newLines.push(lines[i].newNum + " " + lines[i].code);
}
}
console.log(newLines);
fs.writeFile(outFile, newLines.join('\n'), function(err){
if(err) {
console.log(err)
} else {
console.log('File written!');
}
});
function findNewLine(oldNum) {
//console.log("Looking for " + oldNum);
for (var i=0; i<lines.length; i ++) {
//console.log(lines[i]);
if (lines[i].oldNum == oldNum) return lines[i].newNum;
}
return oldNum;
}