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
|
"use strict";
// Helper function to produce an XML tag.
var tag = function(name, attrs, selfclosing) {
var result = '<' + name;
if (attrs && attrs.length > 0) {
var i = 0;
var attrib;
while ((attrib = attrs[i]) !== undefined) {
result = result.concat(' ', attrib[0], '="', attrib[1], '"');
i++;
}
}
if (selfclosing) {
result += ' /';
}
result += '>';
return result;
};
var reXMLTag = /\<[^>]*\>/;
var renderNodes = function(block) {
var attrs;
var info_words;
var tagname;
var walker = block.walker();
var event, node, entering;
var buffer = "";
var lastOut = "\n";
var disableTags = 0;
var indentLevel = 0;
var indent = ' ';
var grandparent;
var unescapedContents;
var container;
var selfClosing;
var out = function(s) {
if (disableTags > 0) {
buffer += s.replace(reXMLTag, '');
} else {
buffer += s;
}
lastOut = s;
};
var esc = this.escape;
var cr = function() {
if (lastOut !== '\n') {
buffer += '\n';
lastOut = '\n';
for (var i = indentLevel; i--;) {
buffer += indent;
}
}
};
var options = this.options;
if (options.time) { console.time("rendering"); }
while ((event = walker.next())) {
entering = event.entering;
node = event.node;
container = node.isContainer();
selfClosing = node.t === 'HorizontalRule' || node.t === 'Hardbreak' ||
node.t === 'Softbreak' || node.t === 'Image';
unescapedContents = node.t === 'Html' || node.t === 'HtmlInline';
tagname = node.t.toLowerCase();
attrs = [];
if (options.sourcepos) {
var pos = node.sourcepos;
if (pos) {
attrs.push(['data-sourcepos', String(pos[0][0]) + ':' +
String(pos[0][1]) + '-' + String(pos[1][0]) + ':' +
String(pos[1][1])]);
}
}
if (entering) {
cr();
out(tag(tagname, attrs, selfClosing));
if (container) {
indentLevel += 1;
} else if (!container && !selfClosing) {
if (node.literal) {
out(unescapedContents ? node.literal : esc(node.literal));
}
out(tag('/' + tagname));
}
} else {
indentLevel -= 1;
cr();
out(tag('/' + tagname));
}
}
if (options.time) { console.timeEnd("rendering"); }
return buffer;
};
var replaceUnsafeChar = function(s) {
switch (s) {
case '&':
return '&';
case '<':
return '<';
case '>':
return '>';
case '"':
return '"';
default:
return s;
}
};
var reNeedsEscaping = /[&<>"]/;
// The XMLRenderer object.
function XMLRenderer(options){
return {
// default options:
softbreak: '\n', // by default, soft breaks are rendered as newlines in HTML
// set to "<br />" to make them hard breaks
// set to " " if you want to ignore line wrapping in source
escape: function(s, preserve_entities) {
if (reNeedsEscaping.test(s)) {
if (preserve_entities) {
return s.replace(/[&](?:[#](x[a-f0-9]{1,8}|[0-9]{1,8});|[a-z][a-z0-9]{1,31};)|[&<>"]/gi, replaceUnsafeChar);
} else {
return s.replace(/[&<>"]/g, replaceUnsafeChar);
}
} else {
return s;
}
},
options: options || {},
render: renderNodes
};
}
module.exports = XMLRenderer;
|
