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
|
"use strict";
var escapeXml = require('./common').escapeXml;
// 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 += ' ' + attrib[0] + '="' + attrib[1] + '"';
i++;
}
}
if (selfclosing) {
result += ' /';
}
result += '>';
return result;
};
var reXMLTag = /\<[^>]*\>/;
var toTagName = function(s) {
return s.replace(/([a-z])([A-Z])/g, "$1_$2").toLowerCase();
};
var renderNodes = function(block) {
var attrs;
var tagname;
var walker = block.walker();
var event, node, entering;
var buffer = "";
var lastOut = "\n";
var disableTags = 0;
var indentLevel = 0;
var indent = ' ';
var unescapedContents;
var container;
var selfClosing;
var nodetype;
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"); }
buffer += '<?xml version="1.0" encoding="UTF-8"?>\n';
buffer += '<!DOCTYPE CommonMark SYSTEM "CommonMark.dtd">\n';
while ((event = walker.next())) {
entering = event.entering;
node = event.node;
nodetype = node.t;
if (nodetype === 'ReferenceDef') {
continue;
}
container = node.isContainer();
selfClosing = nodetype === 'HorizontalRule' || nodetype === 'Hardbreak' ||
nodetype === 'Softbreak' || nodetype === 'Image';
unescapedContents = nodetype === 'Html' || nodetype === 'HtmlInline';
tagname = toTagName(nodetype);
if (entering) {
attrs = [];
switch (nodetype) {
case 'List':
var data = node.list_data;
if (data.type !== null) {
attrs.push(['type', data.type.toLowerCase()]);
}
if (data.start !== null) {
attrs.push(['start', String(data.start)]);
}
if (data.tight !== null) {
attrs.push(['tight', (data.tight ? 'true' : 'false')]);
}
if (data.delimiter !== null) {
var delimword = '';
if (data.delimiter === '.') {
delimword = 'period';
} else {
delimword = 'paren';
}
attrs.push(['delimiter', delimword]);
}
break;
case 'CodeBlock':
if (node.info) {
attrs.push(['info', node.info]);
}
break;
case 'Header':
attrs.push(['level', String(node.level)]);
break;
case 'Link':
case 'Image':
attrs.push(['destination', node.destination]);
attrs.push(['title', node.title]);
break;
default:
break;
}
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])]);
}
}
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"); }
buffer += '\n';
return buffer;
};
// 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: escapeXml,
options: options || {},
render: renderNodes
};
}
module.exports = XmlRenderer;
|
