void append(void const* i, std::size_t n, std::size_t maxlen = 0, bool nbytes = false) { if (escape3(i, n, *this, maxlen)) { push_back('.'); push_back('.'); push_back('.'); } if (nbytes) { push_back(' '); push_back('('); operator()(n); operator()(" bytes)"); } }
static Py_ssize_t _lowerencode(char *dest, size_t destsize, const char *src, Py_ssize_t len) { static const uint32_t onebyte[8] = { 1, 0x2bfffbfb, 0xe8000001, 0x2fffffff }; static const uint32_t lower[8] = { 0, 0, 0x7fffffe }; Py_ssize_t i, destlen = 0; for (i = 0; i < len; i++) { if (inset(onebyte, src[i])) charcopy(dest, &destlen, destsize, src[i]); else if (inset(lower, src[i])) charcopy(dest, &destlen, destsize, src[i] + 32); else escape3(dest, &destlen, destsize, src[i]); } return destlen; }
static Py_ssize_t _encode(const uint32_t twobytes[8], const uint32_t onebyte[8], char *dest, Py_ssize_t destlen, size_t destsize, const char *src, Py_ssize_t len, int encodedir) { enum path_state state = START; Py_ssize_t i = 0; /* * Python strings end with a zero byte, which we use as a * terminal token as they are not valid inside path names. */ while (i < len) { switch (state) { case START: switch (src[i]) { case '/': charcopy(dest, &destlen, destsize, src[i++]); break; case '.': state = LDOT; escape3(dest, &destlen, destsize, src[i++]); break; case ' ': state = DEFAULT; escape3(dest, &destlen, destsize, src[i++]); break; case 'a': state = A; charcopy(dest, &destlen, destsize, src[i++]); break; case 'c': state = C; charcopy(dest, &destlen, destsize, src[i++]); break; case 'l': state = L; charcopy(dest, &destlen, destsize, src[i++]); break; case 'n': state = N; charcopy(dest, &destlen, destsize, src[i++]); break; case 'p': state = P; charcopy(dest, &destlen, destsize, src[i++]); break; default: state = DEFAULT; break; } break; case A: if (src[i] == 'u') { state = AU; charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case AU: if (src[i] == 'x') { state = THIRD; i++; } else state = DEFAULT; break; case THIRD: state = DEFAULT; switch (src[i]) { case '.': case '/': case '\0': escape3(dest, &destlen, destsize, src[i - 1]); break; default: i--; break; } break; case C: if (src[i] == 'o') { state = CO; charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case CO: if (src[i] == 'm') { state = COMLPT; i++; } else if (src[i] == 'n') { state = THIRD; i++; } else state = DEFAULT; break; case COMLPT: switch (src[i]) { case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': state = COMLPTn; i++; break; default: state = DEFAULT; charcopy(dest, &destlen, destsize, src[i - 1]); break; } break; case COMLPTn: state = DEFAULT; switch (src[i]) { case '.': case '/': case '\0': escape3(dest, &destlen, destsize, src[i - 2]); charcopy(dest, &destlen, destsize, src[i - 1]); break; default: memcopy(dest, &destlen, destsize, &src[i - 2], 2); break; } break; case L: if (src[i] == 'p') { state = LP; charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case LP: if (src[i] == 't') { state = COMLPT; i++; } else state = DEFAULT; break; case N: if (src[i] == 'u') { state = NU; charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case NU: if (src[i] == 'l') { state = THIRD; i++; } else state = DEFAULT; break; case P: if (src[i] == 'r') { state = PR; charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case PR: if (src[i] == 'n') { state = THIRD; i++; } else state = DEFAULT; break; case LDOT: switch (src[i]) { case 'd': case 'i': state = HGDI; charcopy(dest, &destlen, destsize, src[i++]); break; case 'h': state = H; charcopy(dest, &destlen, destsize, src[i++]); break; default: state = DEFAULT; break; } break; case DOT: switch (src[i]) { case '/': case '\0': state = START; memcopy(dest, &destlen, destsize, "~2e", 3); charcopy(dest, &destlen, destsize, src[i++]); break; case 'd': case 'i': state = HGDI; charcopy(dest, &destlen, destsize, '.'); charcopy(dest, &destlen, destsize, src[i++]); break; case 'h': state = H; memcopy(dest, &destlen, destsize, ".h", 2); i++; break; default: state = DEFAULT; charcopy(dest, &destlen, destsize, '.'); break; } break; case H: if (src[i] == 'g') { state = HGDI; charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case HGDI: if (src[i] == '/') { state = START; if (encodedir) memcopy(dest, &destlen, destsize, ".hg", 3); charcopy(dest, &destlen, destsize, src[i++]); } else state = DEFAULT; break; case SPACE: switch (src[i]) { case '/': case '\0': state = START; memcopy(dest, &destlen, destsize, "~20", 3); charcopy(dest, &destlen, destsize, src[i++]); break; default: state = DEFAULT; charcopy(dest, &destlen, destsize, ' '); break; } break; case DEFAULT: while (inset(onebyte, src[i])) { charcopy(dest, &destlen, destsize, src[i++]); if (i == len) goto done; } switch (src[i]) { case '.': state = DOT; i++; break; case ' ': state = SPACE; i++; break; case '/': state = START; charcopy(dest, &destlen, destsize, '/'); i++; break; default: if (inset(onebyte, src[i])) { do { charcopy(dest, &destlen, destsize, src[i++]); } while (i < len && inset(onebyte, src[i])); } else if (inset(twobytes, src[i])) { char c = src[i++]; charcopy(dest, &destlen, destsize, '_'); charcopy(dest, &destlen, destsize, c == '_' ? '_' : c + 32); } else escape3(dest, &destlen, destsize, src[i++]); break; } break; } } done: return destlen; }
inline bool escape3(void const* i, std::size_t n, String& s, std::size_t maxlen = 0) { return escape3((char const*)i, n, s, maxlen); }