blob: 1637044aed55b2af91827f010db86b7bd1334da4 (
plain)
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
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
context generate
struct open_item
type: str
num: int
list_el el
end
open_item new_open_item( type: str num: int )
{
OI: open_item = new open_item
OI->type = type
OI->num = num
return OI
}
OpenStack: list<open_item>
lex
token stray_close //
token ocurly /'{'+/
{
input->pull( match_length )
OI: open_item = new_open_item( '{' match_length )
OpenStack->push( OI )
i: int = 0
while ( i < match_length ) {
input->push( make_token( typeid<ocurly> '{' ) )
i = i + 1
}
}
token ccurly1 //
token ccurly2 //
token ccurly3 //
token missing_curly //
token tmp1 /'}'+/
{
if OpenStack->length > 0 && OpenStack->top->type == '{' {
length: int = 3
if ( length > match_length )
length = match_length
Top: open_item = OpenStack->pop()
if ( length > Top->num )
length = Top->num
if ( length == 1 )
input->push( make_token( typeid<ccurly1> input->pull( 1 ) ) )
else if ( length == 2 )
input->push( make_token( typeid<ccurly2> input->pull( 2 ) ) )
else if ( length == 3 )
input->push( make_token( typeid<ccurly3> input->pull( 3 ) ) )
Top->num = Top->num - length
if ( Top->num > 0 )
OpenStack->push( Top )
}
else {
input->push( make_token( typeid<stray_close> input->pull( match_length ) ) )
}
}
token osquare /'['+/
{
input->pull( match_length )
OI: open_item = new_open_item( '[' match_length )
OpenStack->push( OI )
i: int = 0
while ( i < match_length ) {
input->push( make_token( typeid<osquare> '[' ) )
i = i + 1
}
}
token csquare1 //
token csquare2 //
token missing_square //
token tmp2 /']'+/
{
if OpenStack->length > 0 && OpenStack->top->type == '[' {
length: int = 2
if ( length > match_length )
length = match_length
Top: open_item = OpenStack->pop()
if ( length > Top->num )
length = Top->num
if ( length == 1 )
input->push( make_token( typeid<csquare1> input->pull( 1 ) ) )
else if ( length == 2 )
input->push( make_token( typeid<csquare2> input->pull( 2 ) ) )
Top->num = Top->num - length
if ( Top->num > 0 )
OpenStack->push( Top )
}
else {
input->push( make_token( typeid<stray_close> input->pull( match_length ) ) )
}
}
literal `|
token char /any/
preeof {
while ( OpenStack->length > 0 ) {
Top: open_item = OpenStack->pop()
i: int
if ( Top->type == '{' ) {
i = 0
while ( i < Top->num ) {
input->push( make_token( typeid<missing_curly> '}' ) )
i = i + 1
}
}
else if ( Top->type == '[' ) {
i = 0
while ( i < Top->num ) {
input->push( make_token( typeid<missing_square> ']' ) )
i = i + 1
}
}
}
}
end
#
# Internal Links
#
lex
literal `http:
literal `ftp:
literal `mailto:
end
def el_prefix
[`http:]
| [`ftp:]
| [`mailto:]
def external_link
[osquare item* csquare1]
def internal_link
[osquare osquare item* csquare2]
def unclosed_square
[osquare item* missing_square]
#
# Templates
#
def sing_template
[ocurly item* ccurly1]
def template
[ocurly ocurly item* ccurly2]
def parameter
[ocurly ocurly ocurly item* ccurly3]
def unclosed_curly
[ocurly item* missing_curly]
#
# Template Parameters
#
def U1 []
def U2 []
def U3 []
def item
[external_link]
| [internal_link]
| [unclosed_curly]
| [sing_template]
| [template]
| [parameter]
| [unclosed_curly]
| [stray_close]
| [osquare]
| [`|]
| [char]
def start
[item*]
end # generate
Generate: generate = new generate
Generate->OpenStack = new list<generate::open_item>
Sentinal: generate::open_item = new_open_item( '** SENTINAL **' 1 )
Generate->OpenStack->push( Sentinal )
parse S: generate::start(Generate)[stdin]
if S {
for I: generate::external_link in S
print( 'EXTERNAL LINK: ' I '\n' )
for I: generate::internal_link in S
print( 'INTERNAL LINK: ' I '\n' )
}
##### IN #####
[external]
[[internal]]
##### EXP #####
EXTERNAL LINK: [external]
INTERNAL LINK: [[internal]]
|
