nx_foodsci_research_fetch.nx source
↩ module page · 85 lines · 5532 B
1// nx_foodsci_research_fetch.nx -- the Nishi RESEARCHER's sovereign web-fetch
2// grounding the NEW food-science-suite rungs (preservation / nutrition /
3// cooking chemistry / HACCP / allergen / sensory) in real sources --
4// "research not bro science" (Rule 4). Mirrors the proven
5// nx_probiome_research_fetch pattern: own TLS-1.3 + Mozilla CA, idempotent
6// have-skip, resume-on-kill, ->knowledge/fetched/foodsci_*.raw.
7// COVERAGE: 16 authoritative sources. expect_exit: 0 license_tier: ORIGINAL
8import "nx_syscalls.nx"
9import "nx_x509_trust_store.nx"
10import "nx_trust_store_load_from_certdata.nx"
11import "nx_https_fetch_follow.nx"
12const K_MAGIC_4194304: i64 = 4194304
13const K_MAGIC_8388608: i64 = 8388608
14
15func ff_puts(s: *u8) -> i64 { var n: i64 = 0; while s[n] != (0 as u8) { n = n + 1 } sys_write(1, s, n); return 0 }
16func ff_putn(v: i64) -> i64 {
17 if v == 0 { sys_write(1, "0" as *u8, 1); return 0 }
18 var m: i64 = v
19 if m < 0 { sys_write(1, "-" as *u8, 1); m = 0 - m }
20 let d: *u8 = sys_mmap(24)
21 var k: i64 = 0
22 while m > 0 { d[k] = (48 + (m % 10)) as u8; m = m / 10; k = k + 1 }
23 var j: i64 = k - 1
24 while j >= 0 { sys_write(1, (d as i64 + j) as *u8, 1); j = j - 1 }
25 return 0
26}
27func have_file(path: *u8) -> i64 {
28 let fd: i64 = sys_openat_rd(path)
29 if fd < 0 { return 0 }
30 sys_close(fd)
31 return 1
32}
33func fetch_save(url: *u8, opath: *u8, store: *TrustStore, out: *u8, cap: i64) -> i64 {
34 if have_file(opath) == 1 { ff_puts(opath); ff_puts(" [have-skip]\n" as *u8); return 1 }
35 let status: *i64 = sys_mmap(8) as *i64
36 let n: i64 = nx_https_fetch_follow(url, store, out, cap, 6, status)
37 ff_puts(url); ff_puts(" status=" as *u8); ff_putn(status[0]); ff_puts(" bytes=" as *u8); ff_putn(n)
38 if n <= 0 { ff_puts(" FETCH-FAIL\n" as *u8); return 0 }
39 var gz: i64 = 0
40 if n >= 2 { if out[0] == 0x1f as u8 { if out[1] == 0x8b as u8 { gz = 1 } } }
41 if gz == 1 { ff_puts(" [GZIP-skip]\n" as *u8); return 0 }
42 let fd: i64 = sys_openat_wr(opath, 0x1a4)
43 if fd < 0 { ff_puts(" SAVE-FAIL\n" as *u8); return 0 }
44 sys_write(fd, out, n)
45 sys_close(fd)
46 ff_puts(" SAVED\n" as *u8)
47 return 1
48}
49
50func main() -> i64 {
51 let r: i64 = nx_trust_store_load_from_certdata("data/mozilla_certdata.txt" as *u8, 512, K_MAGIC_4194304)
52 if r <= 0 { ff_puts("FOODSCI: certdata load failed\n" as *u8); return 1 }
53 let store: *TrustStore = r as *TrustStore
54 ff_puts("CA roots=" as *u8); ff_putn(trust_store_count(store)); ff_puts("\n" as *u8)
55 let cap: i64 = K_MAGIC_8388608
56 let out: *u8 = sys_mmap(cap)
57 var ok: i64 = 0
58
59 ff_puts("== PRESERVATION (thermal death, water activity, hurdle) ==\n" as *u8)
60 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Food_preservation" as *u8, "knowledge/fetched/foodsci_p1_food_preservation.raw" as *u8, store, out, cap)
61 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Canning" as *u8, "knowledge/fetched/foodsci_p2_canning.raw" as *u8, store, out, cap)
62 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Water_activity" as *u8, "knowledge/fetched/foodsci_p3_water_activity.raw" as *u8, store, out, cap)
63 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Hurdle_technology" as *u8, "knowledge/fetched/foodsci_p4_hurdle_technology.raw" as *u8, store, out, cap)
64 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Pasteurization" as *u8, "knowledge/fetched/foodsci_p5_pasteurization.raw" as *u8, store, out, cap)
65 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Botulism" as *u8, "knowledge/fetched/foodsci_p6_botulism.raw" as *u8, store, out, cap)
66
67 ff_puts("== NUTRITION (Atwater energy, daily values) ==\n" as *u8)
68 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Food_energy" as *u8, "knowledge/fetched/foodsci_n1_food_energy.raw" as *u8, store, out, cap)
69 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Reference_Daily_Intake" as *u8, "knowledge/fetched/foodsci_n2_reference_daily_intake.raw" as *u8, store, out, cap)
70 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Dietary_Reference_Intake" as *u8, "knowledge/fetched/foodsci_n3_dietary_reference_intake.raw" as *u8, store, out, cap)
71
72 ff_puts("== COOKING CHEMISTRY (browning reactions) ==\n" as *u8)
73 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Maillard_reaction" as *u8, "knowledge/fetched/foodsci_c1_maillard.raw" as *u8, store, out, cap)
74 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Caramelization" as *u8, "knowledge/fetched/foodsci_c2_caramelization.raw" as *u8, store, out, cap)
75 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Enzymatic_browning" as *u8, "knowledge/fetched/foodsci_c3_enzymatic_browning.raw" as *u8, store, out, cap)
76
77 ff_puts("== SAFETY / HACCP / ALLERGEN / SENSORY ==\n" as *u8)
78 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Hazard_analysis_and_critical_control_points" as *u8, "knowledge/fetched/foodsci_h1_haccp.raw" as *u8, store, out, cap)
79 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Food_safety" as *u8, "knowledge/fetched/foodsci_h2_food_safety.raw" as *u8, store, out, cap)
80 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Food_allergy" as *u8, "knowledge/fetched/foodsci_a1_food_allergy.raw" as *u8, store, out, cap)
81 ok = ok + fetch_save("https://en.wikipedia.org/wiki/Sensory_analysis" as *u8, "knowledge/fetched/foodsci_s1_sensory_analysis.raw" as *u8, store, out, cap)
82
83 ff_puts("READABLE SOURCES SAVED THIS PASS+HAVE: " as *u8); ff_putn(ok); ff_puts(" / 16\n" as *u8)
84 return 0
85}