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
|
// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
.pragma library
// Pure helpers for qtmaildir.conf, tested by test_ini.js under node.
//
// The file is walked a line at a time, never cut at the next "[": values
// hold brackets ([Gmail]/Bozze), and a section body taken as "everything up
// to the next [" once lost three accounts their labels (AGENTS.md). A header
// is a line that is only "[name]". Comments and order are kept: a key unset
// is commented out in place, a commented key that is set again is activated,
// and anything this file does not touch passes through.
//
// Values follow QSettings' INI reading: an unquoted ; starts a comment, and
// a "quoted" value may hold one.
const HEADER = /^\s*\[([^\]]+)\]\s*(;.*)?$/;
const KEY = /^(\s*)(;\s*)?([^=;\s][^=]*?)\s*=\s*(.*)$/;
function value(rest) {
if (rest.startsWith('"')) {
let out = "";
for (let i = 1; i < rest.length; i++) {
const c = rest[i];
if (c === '"') return { v: out, end: i + 1 };
if (c === "\\" && i + 1 < rest.length) out += rest[++i];
else out += c;
}
return { v: out, end: rest.length };
}
const semi = rest.search(/\s*;/);
const raw = semi < 0 ? rest : rest.slice(0, semi);
return { v: raw.trim(), end: raw.replace(/\s+$/, "").length };
}
function quote(v) {
return /[;"]|^\s|\s$/.test(v) ? '"' + v.replace(/[\\"]/g, c => "\\" + c) + '"' : v;
}
// [{name, h, end}]: the header's line and the line after the section.
function ranges(lines) {
const out = [];
lines.forEach((l, i) => {
const m = HEADER.exec(l);
if (!m) return;
if (out.length) out[out.length - 1].end = i;
out.push({ name: m[1].trim(), h: i, end: lines.length });
});
return out;
}
function sections(text) { return ranges(text.split("\n")).map(r => r.name); }
// [{key, value}] for the active keys of a section, in file order.
function entries(text, section) {
const lines = text.split("\n");
const r = ranges(lines).find(x => x.name === section);
if (!r) return [];
const out = [];
for (let i = r.h + 1; i < r.end; i++) {
const m = KEY.exec(lines[i]);
if (m && !m[2]) out.push({ key: m[3].trim(), value: value(m[4]).v });
}
return out;
}
function get(text, section, key) {
const e = entries(text, section).find(x => x.key === key);
return e ? e.value : undefined;
}
// value null unsets: the key is commented out where it stands.
function set(text, section, key, val) {
const lines = text.split("\n");
const r = ranges(lines).find(x => x.name === section);
if (!r) {
if (val === null) return text;
return text.replace(/\n*$/, "") + "\n\n[" + section + "]\n" + key + " = " + quote(val) + "\n";
}
let commented = -1;
let last = r.h;
for (let i = r.h + 1; i < r.end; i++) {
const m = KEY.exec(lines[i]);
if (lines[i].trim() !== "") last = i;
if (!m || m[3].trim() !== key) continue;
const tail = m[4].slice(value(m[4]).end);
if (!m[2]) {
lines[i] = val === null ? m[1] + "; " + key + " = " + m[4]
: m[1] + key + " = " + quote(val) + tail;
return lines.join("\n");
}
if (commented < 0) commented = i;
}
if (val === null) return text;
if (commented >= 0) {
const m = KEY.exec(lines[commented]);
lines[commented] = m[1] + key + " = " + quote(val) + m[4].slice(value(m[4]).end);
} else lines.splice(last + 1, 0, key + " = " + quote(val));
return lines.join("\n");
}
// Deletes an active key's line outright, for the free-form sections
// ([tagcolors], [keys]) where a commented-out row would only pile up.
function remove(text, section, key) {
const lines = text.split("\n");
const r = ranges(lines).find(x => x.name === section);
if (!r) return text;
for (let i = r.h + 1; i < r.end; i++) {
const m = KEY.exec(lines[i]);
if (m && !m[2] && m[3].trim() === key) { lines.splice(i, 1); return lines.join("\n"); }
}
return text;
}
// pairs: [[key, value], ...]
function addSection(text, section, pairs) {
return text.replace(/\n*$/, "") + "\n\n[" + section + "]\n"
+ pairs.map(p => p[0] + " = " + quote(p[1])).join("\n") + "\n";
}
// The header through the line before the next header, which takes the blank
// line that separated it from the next section with it.
function removeSection(text, section) {
const lines = text.split("\n");
const r = ranges(lines).find(x => x.name === section);
if (!r) return text;
lines.splice(r.h, r.end - r.h);
return lines.join("\n");
}
|
