Day 22 parsing

2 files changed, 1243 insertions, 7 deletions

diff --git a/2023/inputs/day_22.txt b/2023/inputs/day_22.txt
new file mode 100644
index 0000000..1cdf927
--- /dev/null
+++ b/2023/inputs/day_22.txt
@@ -0,0 +1,1206 @@
+9,1,102~9,3,102
+4,8,146~8,8,146
+5,8,160~6,8,160
+5,8,77~7,8,77
+9,5,174~9,8,174
+2,7,104~2,8,104
+4,0,208~4,4,208
+5,2,232~7,2,232
+8,4,294~8,7,294
+1,3,306~2,3,306
+3,8,2~5,8,2
+5,0,149~5,1,149
+6,1,265~9,1,265
+0,4,297~3,4,297
+4,3,242~4,3,242
+0,3,196~0,6,196
+5,0,152~7,0,152
+3,4,22~3,4,24
+8,0,5~8,3,5
+4,8,190~8,8,190
+7,9,148~8,9,148
+7,7,195~9,7,195
+5,7,53~5,9,53
+3,1,170~3,2,170
+2,4,305~2,4,307
+6,5,190~6,7,190
+3,4,46~5,4,46
+4,4,171~7,4,171
+1,2,30~1,4,30
+4,6,79~6,6,79
+7,8,235~8,8,235
+2,4,226~5,4,226
+3,5,181~5,5,181
+6,9,58~8,9,58
+0,0,158~2,0,158
+1,4,90~4,4,90
+0,9,259~2,9,259
+3,6,273~3,9,273
+4,1,135~6,1,135
+5,6,187~8,6,187
+8,0,259~8,2,259
+5,3,37~7,3,37
+4,0,96~5,0,96
+2,8,135~2,9,135
+6,6,124~6,8,124
+6,8,143~7,8,143
+1,1,180~4,1,180
+2,4,148~4,4,148
+8,0,62~8,1,62
+0,8,1~0,9,1
+7,5,6~9,5,6
+3,4,107~5,4,107
+2,0,3~2,0,5
+0,3,3~2,3,3
+2,5,15~5,5,15
+1,9,7~4,9,7
+1,0,238~4,0,238
+6,5,93~8,5,93
+9,5,211~9,7,211
+0,6,91~2,6,91
+1,4,248~3,4,248
+6,4,98~6,7,98
+2,2,222~3,2,222
+6,9,140~7,9,140
+7,0,158~8,0,158
+6,5,147~6,7,147
+1,4,301~1,7,301
+0,3,143~0,3,145
+5,7,252~8,7,252
+3,7,68~3,9,68
+5,4,250~5,6,250
+3,0,146~5,0,146
+5,5,194~7,5,194
+3,2,281~3,5,281
+0,5,255~0,7,255
+1,6,99~1,8,99
+3,0,240~5,0,240
+3,2,223~3,2,225
+0,6,4~0,9,4
+8,3,256~8,6,256
+1,5,41~1,7,41
+2,7,175~2,8,175
+2,2,193~4,2,193
+8,7,60~8,9,60
+6,8,302~8,8,302
+5,2,245~6,2,245
+3,4,102~3,7,102
+1,5,160~1,7,160
+5,5,26~9,5,26
+4,5,123~4,5,126
+2,6,169~5,6,169
+2,4,64~3,4,64
+1,4,151~3,4,151
+5,5,98~5,7,98
+8,1,86~8,2,86
+4,0,228~4,1,228
+6,2,291~6,5,291
+0,3,108~0,6,108
+2,9,281~3,9,281
+0,5,175~3,5,175
+7,7,89~7,8,89
+3,3,82~3,5,82
+2,5,290~2,6,290
+3,0,284~3,2,284
+9,9,68~9,9,70
+3,9,278~6,9,278
+8,1,59~8,2,59
+5,9,254~8,9,254
+3,4,155~3,6,155
+8,6,208~8,8,208
+5,4,17~7,4,17
+5,2,110~6,2,110
+9,2,168~9,3,168
+5,6,278~7,6,278
+6,7,178~8,7,178
+7,7,86~8,7,86
+5,1,244~7,1,244
+1,0,114~3,0,114
+9,3,210~9,5,210
+0,3,280~1,3,280
+7,0,104~9,0,104
+0,6,210~2,6,210
+0,5,227~1,5,227
+6,1,175~6,4,175
+0,2,34~2,2,34
+2,4,115~2,7,115
+0,9,134~2,9,134
+5,1,220~5,4,220
+2,3,124~4,3,124
+5,9,276~6,9,276
+9,4,128~9,6,128
+0,2,171~2,2,171
+1,8,297~3,8,297
+9,3,166~9,4,166
+0,5,165~3,5,165
+3,9,76~6,9,76
+0,9,6~1,9,6
+7,3,242~7,5,242
+9,3,100~9,3,101
+6,3,101~6,6,101
+4,5,111~5,5,111
+5,4,115~5,5,115
+5,4,96~5,4,97
+6,6,111~9,6,111
+3,0,222~4,0,222
+6,6,72~6,7,72
+2,7,200~2,8,200
+1,1,145~3,1,145
+9,7,279~9,7,279
+3,7,127~6,7,127
+3,7,225~3,8,225
+7,9,151~8,9,151
+2,6,20~3,6,20
+8,7,93~9,7,93
+9,3,248~9,5,248
+0,5,143~0,7,143
+5,1,264~7,1,264
+4,4,91~6,4,91
+0,5,171~2,5,171
+5,6,277~5,8,277
+0,6,293~3,6,293
+2,3,194~2,5,194
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+3,5,118~5,5,118
+0,7,282~1,7,282
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+4,8,299~6,8,299
+8,5,155~8,6,155
+5,8,122~7,8,122
+5,1,95~5,3,95
+5,7,54~7,7,54
+7,0,262~9,0,262
+2,2,139~5,2,139
+0,0,161~0,0,164
+6,0,198~6,4,198
+2,7,225~2,7,228
+5,4,62~5,6,62
+2,5,40~2,6,40
+2,2,226~2,2,226
+0,3,132~3,3,132
+4,1,131~4,3,131
+5,8,84~6,8,84
+3,1,55~4,1,55
+9,6,255~9,9,255
+7,2,136~7,4,136
+7,6,249~7,7,249
+4,3,148~6,3,148
+3,2,17~6,2,17
+3,8,64~6,8,64
+0,7,107~0,8,107
+7,0,247~7,1,247
+1,4,148~1,6,148
+4,7,134~4,8,134
+1,6,138~4,6,138
+7,2,54~9,2,54
+0,4,47~0,7,47
+2,5,152~4,5,152
+2,0,143~3,0,143
+0,1,151~2,1,151
+9,7,1~9,9,1
+4,3,34~5,3,34
+2,4,84~4,4,84
+3,2,81~5,2,81
+8,4,186~8,6,186
+1,7,237~2,7,237
+1,3,51~1,4,51
+2,6,286~2,8,286
+2,5,183~4,5,183
+0,2,64~3,2,64
+1,4,158~3,4,158
+5,1,46~6,1,46
+3,8,204~3,8,206
+5,9,64~7,9,64
+5,5,262~7,5,262
+7,5,188~7,7,188
+7,6,155~7,7,155
+4,4,151~5,4,151
+2,5,188~2,5,190
+8,2,48~8,4,48
+7,7,232~7,8,232
+7,1,10~7,1,12
+5,8,102~5,8,104
+8,2,119~8,6,119
+3,3,11~5,3,11
+4,5,295~6,5,295
+8,4,173~9,4,173
+6,3,236~6,5,236
+7,0,159~7,0,160
+2,4,89~2,7,89
+9,8,51~9,8,52
+2,5,72~2,7,72
+3,3,166~3,5,166
+5,2,136~5,4,136
+5,7,177~7,7,177
+0,5,238~2,5,238
+8,2,142~8,2,143
+1,7,230~1,8,230
+6,3,67~8,3,67
+4,4,123~5,4,123
+3,1,311~3,3,311
+7,0,102~9,0,102
+1,9,138~3,9,138
+8,5,248~8,6,248
+7,6,199~9,6,199
+7,8,268~9,8,268
+7,5,176~7,7,176
+1,6,287~2,6,287
+3,1,286~3,1,289
+9,5,250~9,5,253
+4,2,293~6,2,293
+5,7,173~7,7,173
+0,4,107~0,6,107
+3,5,103~3,6,103
+4,0,103~4,3,103
+1,1,276~1,5,276
+4,9,18~6,9,18
+4,9,97~6,9,97
+1,5,234~1,7,234
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+1,0,182~2,0,182
+7,4,193~8,4,193
+4,8,78~6,8,78
+0,6,42~0,6,44
+7,8,186~7,9,186
+1,5,72~1,7,72
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+7,4,226~7,7,226
+9,3,94~9,7,94
+4,3,304~4,6,304
+9,0,216~9,0,217
+5,0,65~5,2,65
+7,1,174~7,4,174
+2,7,197~2,9,197
+1,2,303~1,4,303
+6,3,94~6,5,94
+7,4,23~7,6,23
+2,8,106~4,8,106
+0,2,65~1,2,65
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+2,3,54~2,6,54
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+5,5,150~5,7,150
+7,0,149~7,0,150
+6,7,152~8,7,152
+2,7,231~2,9,231
+0,1,1~0,1,3
+5,5,120~5,7,120
+2,5,197~4,5,197
+5,0,78~5,2,78
+5,0,137~5,1,137
+0,3,210~0,5,210
+0,2,113~0,2,115
+3,7,149~3,7,152
+5,8,225~8,8,225
+6,5,240~8,5,240
+2,5,25~3,5,25
+0,0,156~2,0,156
+6,9,149~9,9,149
+3,0,296~3,0,298
+9,0,211~9,0,213
+9,5,276~9,7,276
+2,1,203~4,1,203
+0,8,235~2,8,235
+1,5,111~1,7,111
+8,9,206~8,9,208
+7,0,99~7,2,99
+1,1,143~2,1,143
+1,7,281~3,7,281
+6,3,43~6,6,43
+2,3,187~2,5,187
+3,5,108~3,7,108
+1,4,299~4,4,299
+1,2,141~1,3,141
+9,3,175~9,5,175
+9,2,43~9,5,43
+6,9,137~6,9,139
+0,0,71~0,2,71
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+2,3,31~4,3,31
+3,5,17~5,5,17
+4,6,90~4,6,92
+3,0,173~3,1,173
+9,5,256~9,7,256
+8,5,127~8,6,127
+8,0,176~9,0,176
+2,5,221~2,7,221
+7,6,263~7,7,263
+1,2,93~1,4,93
+2,9,71~4,9,71
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+2,2,292~2,5,292
+9,5,58~9,8,58
+0,7,229~2,7,229
+8,5,243~8,7,243
+3,7,5~3,9,5
+4,0,153~4,2,153
+4,3,104~5,3,104
+2,4,18~2,6,18
+0,2,170~0,5,170
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+1,5,74~3,5,74
+3,6,37~3,9,37
+7,4,30~7,6,30
+1,9,191~5,9,191
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+1,6,3~1,8,3
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+0,3,113~1,3,113
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+9,5,95~9,8,95
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+8,4,281~8,6,281
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+6,6,239~9,6,239
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+3,6,129~3,9,129
+5,0,89~6,0,89
+5,0,154~5,0,157
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+5,4,108~5,6,108
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+9,6,176~9,7,176
+2,1,190~2,4,190
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+6,8,125~6,9,125
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+0,6,104~0,9,104
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+9,3,96~9,6,96
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+9,5,91~9,7,91
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+4,3,233~6,3,233
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+9,8,101~9,9,101
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+0,4,184~3,4,184
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+2,5,111~2,8,111
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+5,9,84~7,9,84
+8,4,189~9,4,189
+1,4,118~2,4,118
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+4,9,78~6,9,78
+3,2,297~4,2,297
+3,4,227~3,6,227
+9,2,208~9,4,208
+8,5,189~8,7,189
+5,6,6~7,6,6
+3,0,291~3,3,291
+0,5,120~0,5,121
+6,6,150~6,7,150
+9,2,58~9,2,60
+5,0,84~5,3,84
+6,6,81~9,6,81
+4,5,215~4,7,215
+5,2,21~6,2,21
+6,2,61~6,4,61
+3,3,134~4,3,134
+1,3,105~1,6,105
+3,1,206~5,1,206
+9,6,133~9,8,133
+3,6,294~4,6,294
+2,0,31~3,0,31
+3,2,246~3,2,247
+9,4,47~9,4,49
+8,5,110~8,6,110
+6,8,198~9,8,198
+5,6,66~5,8,66
+8,2,1~8,4,1
+4,2,148~4,2,150
+0,1,202~0,2,202
+0,5,110~2,5,110
+5,6,174~7,6,174
+5,5,297~5,8,297
+3,4,218~3,7,218
+2,6,86~2,9,86
+9,1,105~9,3,105
+9,7,72~9,9,72
+2,3,284~4,3,284
+8,8,70~8,8,73
+5,1,43~5,4,43
+8,7,106~8,9,106
+4,1,159~6,1,159
+0,4,136~1,4,136
+7,2,173~7,4,173
+0,5,182~0,7,182
+9,5,203~9,8,203
+8,4,227~8,4,229
+8,4,257~8,4,258
+1,6,140~2,6,140
+1,9,113~3,9,113
+4,3,199~7,3,199
+4,3,158~8,3,158
+3,0,34~4,0,34
+2,1,80~5,1,80
+0,2,188~0,2,189
+8,7,154~8,9,154
+6,4,292~7,4,292
+6,2,137~8,2,137
+8,0,179~9,0,179
+2,5,232~2,6,232
+7,6,294~7,7,294
+3,4,132~4,4,132
+0,4,241~0,5,241
+4,2,52~4,4,52
+2,6,233~2,8,233
+3,3,245~3,5,245
+6,2,173~6,4,173
+5,1,106~6,1,106
+3,3,4~5,3,4
+1,4,153~3,4,153
+1,6,102~2,6,102
+5,0,159~5,0,159
+3,5,112~5,5,112
+4,1,71~4,2,71
+4,4,176~4,4,176
+7,4,290~7,6,290
+0,7,261~0,8,261
+7,8,4~9,8,4
+1,9,283~2,9,283
+4,9,62~6,9,62
+3,4,138~6,4,138
+6,6,251~6,9,251
+2,8,209~2,8,209
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+2,1,224~2,3,224
+4,2,60~4,2,63
+4,5,212~5,5,212
+5,9,155~8,9,155
+2,9,109~2,9,110
+8,6,204~8,8,204
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+9,3,3~9,3,4
+6,0,105~6,3,105
+4,4,25~7,4,25
+9,3,190~9,5,190
+8,5,28~8,5,29
+9,8,96~9,8,98
+3,0,294~3,3,294
+0,2,185~0,4,185
+5,7,284~8,7,284
+5,7,11~5,9,11
+6,3,66~9,3,66
+7,0,181~9,0,181
+4,4,305~6,4,305
+5,4,219~5,8,219
+7,0,204~7,2,204
+4,8,62~7,8,62
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+4,7,51~5,7,51
+5,4,135~5,7,135
+2,6,166~3,6,166
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+4,8,138~6,8,138
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+5,7,100~5,8,100
+9,5,135~9,7,135
+8,6,197~8,8,197
+4,3,177~6,3,177
+4,0,114~4,0,114
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+5,6,298~5,8,298
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+5,2,93~5,4,93
+2,0,103~2,2,103
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+2,4,103~4,4,103
+4,1,48~7,1,48
+6,8,184~8,8,184
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+8,5,10~9,5,10
+2,9,201~5,9,201
+7,9,66~9,9,66
+7,7,297~7,9,297
+3,3,33~3,5,33
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+0,3,202~1,3,202
+7,6,83~7,8,83
+2,0,142~2,3,142
+1,1,101~5,1,101
+3,3,307~6,3,307
+6,3,259~6,4,259
+5,3,203~6,3,203
+4,8,188~6,8,188
+5,6,284~7,6,284
+4,9,91~6,9,91
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+2,3,278~5,3,278
+7,4,287~7,7,287
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+5,1,7~7,1,7
+9,0,108~9,3,108
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+8,2,140~9,2,140
+3,2,96~3,2,99
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+8,7,3~9,7,3
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+7,0,53~7,1,53
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+7,4,191~7,6,191
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+7,7,253~9,7,253
+4,6,24~4,8,24
+8,6,282~8,7,282
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+3,0,109~5,0,109
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+9,2,132~9,4,132
+5,2,253~5,4,253
+0,7,194~2,7,194
+7,3,95~7,5,95
+6,8,272~8,8,272
+5,4,16~7,4,16
+2,4,240~2,6,240
+1,6,15~1,8,15
+8,4,153~8,5,153
+0,7,34~1,7,34
+4,3,212~6,3,212
+1,5,278~1,7,278
+5,4,145~6,4,145
+8,3,259~8,3,262
+6,0,47~6,2,47
+1,2,139~1,5,139
+2,2,67~3,2,67
+5,7,83~5,9,83
+2,9,287~5,9,287
+1,0,226~1,0,229
+3,1,6~6,1,6
+4,1,70~7,1,70
+2,7,8~5,7,8
+1,3,163~1,6,163
+4,0,180~6,0,180
+1,5,262~4,5,262
+5,9,146~7,9,146
+4,4,118~5,4,118
+7,7,183~7,7,184
+4,0,147~4,2,147
+6,9,92~8,9,92
+2,3,25~2,4,25
+6,0,178~6,2,178
+8,0,173~8,3,173
+2,3,263~2,6,263
+1,6,143~4,6,143
+3,1,151~3,1,152
+2,0,34~2,0,38
+4,6,87~6,6,87
+4,3,147~6,3,147
+4,1,110~7,1,110
+6,5,59~8,5,59
+3,4,235~3,4,238
+0,4,208~3,4,208
+8,2,133~8,4,133
+6,4,207~9,4,207
+3,9,16~5,9,16
+2,2,95~2,2,95
+0,9,42~2,9,42
+4,4,110~4,4,112
diff --git a/2023/src/bin/day_22.rs b/2023/src/bin/day_22.rs
index b3a610b..3619b83 100644
--- a/2023/src/bin/day_22.rs
+++ b/2023/src/bin/day_22.rs
@@ -1,19 +1,49 @@
-use nom::IResult;
+use nalgebra::Point3;
+use nom::{
+    bytes::complete::tag,
+    character::complete::{line_ending, u32},
+    combinator::map,
+    multi::separated_list1,
+    sequence::{separated_pair, tuple},
+    IResult,
+};
 use std::fs;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let input = fs::read_to_string("inputs/day_2.txt")?;
-    let parsed = Example::parser(&input).unwrap().1;
+    let input = fs::read_to_string("inputs/day_22.txt")?;
+    let parsed = BrickPile::parser(&input).unwrap().1;
     dbg!(&parsed);
 
     Ok(())
 }
 
 #[derive(Debug)]
-struct Example;
+struct BrickPile(Vec<Brick>);
 
-impl Example {
-    fn parser(_input: &str) -> IResult<&str, Self> {
-        todo!()
+#[derive(Debug)]
+struct Brick {
+    a: Point3<u32>,
+    b: Point3<u32>,
+}
+
+impl BrickPile {
+    fn parser(input: &str) -> IResult<&str, Self> {
+        map(separated_list1(line_ending, Brick::parser), BrickPile)(input)
+    }
+}
+
+impl Brick {
+    fn parser(input: &str) -> IResult<&str, Self> {
+        map(
+            separated_pair(point_parser, tag("~"), point_parser),
+            |(a, b)| Brick { a, b },
+        )(input)
     }
 }
+
+fn point_parser(input: &str) -> IResult<&str, Point3<u32>> {
+    map(
+        tuple((u32, tag(","), u32, tag(","), u32)),
+        |(x, _, y, _, z)| Point3::new(x, y, z),
+    )(input)
+}