Update 5 files

- /_data/other_repo_list.csv
- /_data/links.csv
- /_posts/2026-10-01-quine.md
- /_tools/blogquine.py
- /assets/js/pjax.js
This commit is contained in:
mayx
2026-09-30 16:01:13 +00:00
parent 932e310f9d
commit 303f5df01c
5 changed files with 1372 additions and 75 deletions
+7 -46
View File
@@ -12,8 +12,8 @@ import time
# ============================================================
# Part 1: 最小 LZMA1 range coder(只做编码)
#
# 设计目标:只实现 quine 构造需要的 token:literal / match / rep0-match /
# end-marker,编码字节与历史内容无关(不维护输出历史),
# 设计目标:只实现 quine 构造需要的 token:match / rep0-match,
# 编码字节与历史内容无关(不维护输出历史),
# 这是"先算结构、后填数据"两阶段装配的基础。
# 参考:Igor Pavlov 的 LZMA SDK (LzmaEnc.c / LzmaDec.c)。
# ============================================================
@@ -126,27 +126,21 @@ def _pos_slot_and_bits(d):
class LzmaEncoder:
def __init__(self, lc=3, lp=0, pb=2):
def __init__(self, pb=2):
"""
不维护输出假历史:match 的编码字节只取决于 (dist,len,pos),与历史内容无关,
因此 quine 构造(先算结构、后填数据)不需要逐字节复制假历史。
"""
self.lc, self.lp, self.pb = lc, lp, pb
self.pb = pb
self.pos_mask = (1 << pb) - 1
self.lp_mask = (1 << lp) - 1
self.rc = RangeEncoder()
self.pos = 0 # 已输出字节数
self.state = 0
self.prev_byte = 0
self.reps = [0, 0, 0, 0] # rep0..rep3,存的是 0 基距离
self.out = bytearray()
# 概率模型
n = PROB_INIT
self.p_is_match = [n] * (kNumStates << kNumPosBitsMax)
self.p_is_rep = [n] * kNumStates
self.p_is_rep_g0 = [n] * kNumStates
self.p_is_rep_g1 = [n] * kNumStates
self.p_is_rep_g2 = [n] * kNumStates
self.p_rep0_long = [n] * (kNumStates << kNumPosBitsMax)
self.p_pos_slot = [n] * (kNumLenToPosStates << kNumPosSlotBits)
self.p_spec_pos = [n] * (kNumFullDistances - kEndPosModelIndex) # 114
@@ -159,7 +153,6 @@ class LzmaEncoder:
self.p_rep_len_low = [n] * (16 * kNumLowLenSymbols)
self.p_rep_len_mid = [n] * (16 * kNumMidLenSymbols)
self.p_rep_len_high = [n] * (1 << kNumHighLenBits)
self.p_lit = [n] * (0x300 << (lc + lp))
# ---------- 内部 ----------
@property
@@ -184,25 +177,6 @@ class LzmaEncoder:
self.rc.bittree_encode(high, 0, kNumHighLenBits, l - kNumMidLenSymbols)
# ---------- 对外 token ----------
def literal(self, b):
if self.state >= kNumLitStates:
raise NotImplementedError("matched-literal 未实现(quine 构造不需要)")
# 每个符号先编 isMatch 位:0 表示这是 literal
ps = self.pos_state
self.rc.encode_bit(self.p_is_match, (self.state << kNumPosBitsMax) + ps, 0)
lit_state = ((self.pos & self.lp_mask) << self.lc) + (self.prev_byte >> (8 - self.lc))
self.rc.bittree_encode(self.p_lit, lit_state * 0x300, 8, b)
self.out.append(b)
self.prev_byte = b
self.pos += 1
# UpdateState_Literal
if self.state <= 3:
self.state = 0
elif self.state <= 9:
self.state -= 3
else:
self.state -= 6
def _write_dist(self, dist, lts):
d = dist - 1
slot, n, low_bits = _pos_slot_and_bits(d)
@@ -217,7 +191,6 @@ class LzmaEncoder:
self.rc.encode_direct_bits(low_bits >> kNumAlignBits, n - kNumAlignBits)
self.rc.bittree_reverse_encode(self.p_align, 0, kNumAlignBits,
low_bits & ((1 << kNumAlignBits) - 1))
return d
def match(self, dist, length):
assert kMatchMinLen <= length <= 273, length
@@ -227,11 +200,9 @@ class LzmaEncoder:
lts = min(length - kMatchMinLen, kNumLenToPosStates - 1)
self._encode_len(self.p_len_choice,
self.p_len_low, self.p_len_mid, self.p_len_high, length)
d = self._write_dist(dist, lts)
# 状态与 rep 链更新
self._write_dist(dist, lts)
# 状态更新
self.state = 7 if self.state < kNumLitStates else 10
self.reps[3], self.reps[2], self.reps[1], self.reps[0] = \
self.reps[2], self.reps[1], self.reps[0], d
self.pos += length
def rep_match(self, length):
@@ -247,16 +218,6 @@ class LzmaEncoder:
self.state = 8 if self.state < kNumLitStates else 11
self.pos += length
def end(self):
"""LZMA 结束标记:编码一个 0 基距离为 0xFFFFFFFF 的 match。"""
ps = self.pos_state
self.rc.encode_bit(self.p_is_match, (self.state << kNumPosBitsMax) + ps, 1)
self.rc.encode_bit(self.p_is_rep, self.state, 0)
self._encode_len(self.p_len_choice,
self.p_len_low, self.p_len_mid, self.p_len_high, kMatchMinLen)
self._write_dist(0x100000000, 0)
self.state = 7 if self.state < kNumLitStates else 10
def finish(self):
return self.rc.finish()
@@ -374,7 +335,7 @@ class BlogQuine:
for dirpath, dirnames, filenames in os.walk(root):
dirnames.sort()
for dn in dirnames:
rel = os.path.relpath(os.path.join(dirpath, dn), root)
rel = os.path.relpath(os.path.join(dirpath, dn), root).replace(os.sep, "/")
self.walk_entries.append((self._prefixed(rel), True))
for fn in sorted(filenames):
p = os.path.join(dirpath, fn)