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
|
// Haddock JavaScript utilities
function toggle(button,id)
{
var n = document.getElementById(id).style;
if (n.display == "none")
{
button.src = "minus.gif";
n.display = "block";
}
else
{
button.src = "plus.gif";
n.display = "none";
}
}
var max_results = 75; // 50 is not enough to search for map in the base libraries
var shown_range = null;
var last_search = null;
function quick_search()
{
perform_search(false);
}
function full_search()
{
perform_search(true);
}
function perform_search(full)
{
var text = document.getElementById("searchbox").value.toLowerCase();
if (text == last_search && !full) return;
last_search = text;
var table = document.getElementById("indexlist");
var status = document.getElementById("searchmsg");
var children = table.firstChild.childNodes;
// first figure out the first node with the prefix
var first = bisect(-1);
var last = (first == -1 ? -1 : bisect(1));
if (first == -1)
{
table.className = "";
status.innerHTML = "No results found, displaying all";
}
else if (first == 0 && last == children.length - 1)
{
table.className = "";
status.innerHTML = "";
}
else if (last - first >= max_results && !full)
{
table.className = "";
status.innerHTML = "More than " + max_results + ", press Search to display";
}
else
{
// decide what you need to clear/show
if (shown_range)
setclass(shown_range[0], shown_range[1], "indexrow");
setclass(first, last, "indexshow");
shown_range = [first, last];
table.className = "indexsearch";
status.innerHTML = "";
}
function setclass(first, last, status)
{
for (var i = first; i <= last; i++)
{
children[i].className = status;
}
}
// do a binary search, treating 0 as ...
// return either -1 (no 0's found) or location of most far match
function bisect(dir)
{
var first = 0, finish = children.length - 1;
var mid, success = false;
while (finish - first > 3)
{
mid = Math.floor((finish + first) / 2);
var i = checkitem(mid);
if (i == 0) i = dir;
if (i == -1)
finish = mid;
else
first = mid;
}
var a = (dir == 1 ? first : finish);
var b = (dir == 1 ? finish : first);
for (var i = b; i != a - dir; i -= dir)
{
if (checkitem(i) == 0) return i;
}
return -1;
}
// from an index, decide what the result is
// 0 = match, -1 is lower, 1 is higher
function checkitem(i)
{
var s = getitem(i).toLowerCase().substr(0, text.length);
if (s == text) return 0;
else return (s > text ? -1 : 1);
}
// from an index, get its string
// this abstracts over alternates
function getitem(i)
{
for ( ; i >= 0; i--)
{
var s = children[i].firstChild.firstChild.data;
if (s.indexOf(' ') == -1)
return s;
}
return ""; // should never be reached
}
}
function setSynopsis(filename) {
if (parent.window.synopsis) {
parent.window.synopsis.location = filename;
}
}
function setActiveStyleSheet(href) {
var i, a, main;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1
&& a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("href") == href) a.disabled = false;
//a.disabled = a.getAttribute("title") != title;
}
}
}
|
