nx_library_shelf_audio_gate.nx source

1// nx_library_shelf_audio_gate.nx -- gate the audiobook wiring into the zero-JS library shelf: liberated audiobooks 2// (dirs with audio.json) now appear as 🎧 cards linking to their player.html, ALONGSIDE the book cards (no 3// regression). Sets up an M4B audiobook + render, runs nx_library_shelf, asserts the shelf has the audio card + 4// still has book cards + 0 <script>. expect_exit: 0 license_tier: ORIGINAL 5import "nx_syscalls.nx" 6 7func gp(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 } 8func gnum(v0: i64) -> i64 { var v: i64=v0; if v<0 { sys_write(1,"-" as *u8,1); v=0-v } let b: *u8=sys_mmap(24); var k: i64=0; if v==0 {b[0]=48 as u8;k=1} while v>0 {b[k]=(48+(v%10)) as u8; v=v/10; k=k+1} let o: *u8=sys_mmap(24); var j: i64=0; while j<k {o[j]=b[k-1-j];j=j+1} sys_write(1,o,k); return 0 } 9func ghas(hay: *u8, hl: i64, needle: *u8) -> i64 { 10 var nl: i64=0; while needle[nl]!=(0 as u8){nl=nl+1} 11 if nl == 0 { return 0 } 12 var i: i64 = 0 13 while i + nl <= hl { var k: i64=0; var hit: i64=1; while k<nl { if hay[i+k]!=needle[k]{hit=0;k=nl}else{k=k+1} } if hit==1 {return 1} i=i+1 } 14 return 0 15} 16func rd(path: *u8, lenp: *i64) -> *u8 { lenp[0]=0; return sys_read_file(path, lenp) } 17func spawn(path: *u8, a0: *u8, redir: *u8) -> i64 { 18 let pid: i64 = sys_fork() 19 if pid == 0 { 20 let fd: i64 = sys_openat_wr(redir, 420) 21 if fd >= 0 { sys_dup3(fd, 1, 0); sys_dup3(fd, 2, 0) } 22 let argv: *i64 = sys_mmap(64) as *i64 23 argv[0] = path as i64 24 if (a0 as i64) != 0 { argv[1] = a0 as i64; argv[2] = 0 } else { argv[1] = 0 } 25 let envp: *i64 = sys_mmap(16) as *i64 26 envp[0] = "PATH=/usr/bin:/bin\x00" as *u8 as i64; envp[1] = 0 27 sys_execve(path, argv, envp) 28 sys_exit(127) 29 } 30 let st: *i64 = sys_mmap(16) as *i64 31 sys_wait4(pid, st, 0) 32 return (st[0] >> 8) & 0xff 33} 34 35func main() -> i64 { 36 gp("=== nx_library_shelf_audio_gate: audiobooks appear in the zero-JS library shelf (player.html links) ===\n" as *u8) 37 let RUNNER: *u8 = "_offc/nx_sov_build_run.elf\x00" as *u8 38 let SC: *u8 = "knowledge/status/shelf_audio_scratch.log\x00" as *u8 39 40 spawn(RUNNER, "nx_m4b_fixture\x00" as *u8, SC) 41 spawn(RUNNER, "nx_m4b_book\x00" as *u8, SC) 42 spawn(RUNNER, "nx_audio_render\x00" as *u8, SC) 43 let rc: i64 = spawn(RUNNER, "nx_library_shelf\x00" as *u8, SC) 44 45 let lh: *i64 = sys_mmap(8) as *i64; let h: *u8 = rd("knowledge/staging/media/library_shelf.html\x00" as *u8, lh); let hn: i64 = lh[0] 46 gp(" rc_shelf=" as *u8); gnum(rc); gp(" shelf.html=" as *u8); gnum(hn); gp("B\n" as *u8) 47 48 var pass: i64 = 0; var fail: i64 = 0 49 if rc == 0 { pass=pass+1 } else { fail=fail+1; gp(" FAIL shelf-nonzero\n" as *u8) } 50 if (h as i64)==0 { gp("LIBRARY-SHELF-AUDIO-GATE fail=1 verdict=RED no-shelf\n" as *u8); sys_exit(1); return 1 } 51 // audiobook card present, linking to the zero-JS player 52 if ghas(h, hn, "reader/nishi_m4b_fixture/player.html" as *u8)==1 { pass=pass+1 } else { fail=fail+1; gp(" FAIL no-audio-card\n" as *u8) } 53 // the headphones glyph (UTF-8 of U+1F3A7) 54 if ghas(h, hn, "\xf0\x9f\x8e\xa7" as *u8)==1 { pass=pass+1 } else { fail=fail+1; gp(" FAIL no-headphones-glyph\n" as *u8) } 55 // the liberated audiobook's metadata 56 if ghas(h, hn, "The Hobbit (Nishi M4B Fixture)" as *u8)==1 { pass=pass+1 } else { fail=fail+1; gp(" FAIL no-audio-title\n" as *u8) } 57 // NO REGRESSION: book cards still present 58 if ghas(h, hn, "reader_static_" as *u8)==1 { pass=pass+1 } else { fail=fail+1; gp(" FAIL book-cards-gone (regression)\n" as *u8) } 59 // still zero-JS 60 if ghas(h, hn, "<script" as *u8)==0 { pass=pass+1 } else { fail=fail+1; gp(" FAIL has-script\n" as *u8) } 61 62 gp("LIBRARY-SHELF-AUDIO-GATE pass=" as *u8); gnum(pass); gp(" fail=" as *u8); gnum(fail) 63 if fail == 0 { gp(" verdict=GREEN (audiobooks in the shelf as 🎧 player.html cards, books unaffected, 0 JS)\n" as *u8); sys_exit(0); return 0 } 64 gp(" verdict=RED\n" as *u8); sys_exit(1); return 1 65}