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annotate rust/hg-core/src/revlog/path_encode.rs @ 48570:f2f57724d4eb

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rhg: Add RevlogEntry::data that does delta resolution This requires keeping a `&Revlog` reference inside the `RevlogEntry` struct. This struct already had the appropriate lifetime parameter. Differential Revision: https://phab.mercurial-scm.org/D11960
author Simon Sapin <simon.sapin@octobus.net>
date Tue, 21 Dec 2021 18:35:58 +0100
parents fad504cfc94b
children e98fd81bb151
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
47386
fad504cfc94b rust: Use a maintained crate for SHA-1 hashing
Simon Sapin <simon.sapin@octobus.net>
parents: 45545
diff changeset
1 use sha1::{Digest, Sha1};
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2
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3 #[derive(PartialEq, Debug)]
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4 #[allow(non_camel_case_types)]
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5 enum path_state {
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6 START, /* first byte of a path component */
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7 A, /* "AUX" */
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8 AU,
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9 THIRD, /* third of a 3-byte sequence, e.g. "AUX", "NUL" */
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10 C, /* "CON" or "COMn" */
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11 CO,
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12 COMLPT, /* "COM" or "LPT" */
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13 COMLPTn,
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14 L,
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15 LP,
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16 N,
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17 NU,
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18 P, /* "PRN" */
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19 PR,
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20 LDOT, /* leading '.' */
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21 DOT, /* '.' in a non-leading position */
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22 H, /* ".h" */
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23 HGDI, /* ".hg", ".d", or ".i" */
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24 SPACE,
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25 DEFAULT, /* byte of a path component after the first */
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26 }
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27
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28 /* state machine for dir-encoding */
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29 #[allow(non_camel_case_types)]
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30 enum dir_state {
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31 DDOT,
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32 DH,
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33 DHGDI,
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34 DDEFAULT,
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35 }
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36
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37 fn inset(bitset: &[u32; 8], c: u8) -> bool {
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38 bitset[(c as usize) >> 5] & (1 << (c & 31)) != 0
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39 }
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40
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41 fn charcopy(dest: Option<&mut [u8]>, destlen: &mut usize, c: u8) {
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42 if let Some(slice) = dest {
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43 slice[*destlen] = c
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44 }
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45 *destlen += 1
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46 }
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47
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48 fn memcopy(dest: Option<&mut [u8]>, destlen: &mut usize, src: &[u8]) {
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49 if let Some(slice) = dest {
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50 slice[*destlen..*destlen + src.len()].copy_from_slice(src)
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51 }
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52 *destlen += src.len();
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53 }
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54
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55 fn rewrap_option<'a, 'b: 'a>(
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56 x: &'a mut Option<&'b mut [u8]>,
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57 ) -> Option<&'a mut [u8]> {
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58 match x {
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59 None => None,
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60 Some(y) => Some(y),
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61 }
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62 }
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63
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64 fn hexencode<'a>(mut dest: Option<&'a mut [u8]>, destlen: &mut usize, c: u8) {
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65 let hexdigit = b"0123456789abcdef";
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66 charcopy(
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67 rewrap_option(&mut dest),
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68 destlen,
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69 hexdigit[(c as usize) >> 4],
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70 );
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71 charcopy(dest, destlen, hexdigit[(c as usize) & 15]);
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72 }
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73
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74 /* 3-byte escape: tilde followed by two hex digits */
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75 fn escape3(mut dest: Option<&mut [u8]>, destlen: &mut usize, c: u8) {
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76 charcopy(rewrap_option(&mut dest), destlen, b'~');
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77 hexencode(dest, destlen, c);
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78 }
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79
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80 fn encode_dir(mut dest: Option<&mut [u8]>, src: &[u8]) -> usize {
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81 let mut state = dir_state::DDEFAULT;
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82 let mut i = 0;
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83 let mut destlen = 0;
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84
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85 while i < src.len() {
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86 match state {
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87 dir_state::DDOT => match src[i] {
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88 b'd' | b'i' => {
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89 state = dir_state::DHGDI;
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90 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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91 i += 1;
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92 }
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93 b'h' => {
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94 state = dir_state::DH;
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95 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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96 i += 1;
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97 }
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98 _ => {
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99 state = dir_state::DDEFAULT;
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100 }
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101 },
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102 dir_state::DH => {
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103 if src[i] == b'g' {
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104 state = dir_state::DHGDI;
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105 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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106 i += 1;
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107 } else {
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108 state = dir_state::DDEFAULT;
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109 }
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110 }
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111 dir_state::DHGDI => {
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112 if src[i] == b'/' {
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113 memcopy(rewrap_option(&mut dest), &mut destlen, b".hg");
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114 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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115 i += 1;
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116 }
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117 state = dir_state::DDEFAULT;
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118 }
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119 dir_state::DDEFAULT => {
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120 if src[i] == b'.' {
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121 state = dir_state::DDOT
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122 }
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123 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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124 i += 1;
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125 }
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126 }
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127 }
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128 destlen
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129 }
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130
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131 fn _encode(
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parents:
diff changeset
132 twobytes: &[u32; 8],
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parents:
diff changeset
133 onebyte: &[u32; 8],
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parents:
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134 mut dest: Option<&mut [u8]>,
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135 src: &[u8],
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parents:
diff changeset
136 encodedir: bool,
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parents:
diff changeset
137 ) -> usize {
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parents:
diff changeset
138 let mut state = path_state::START;
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parents:
diff changeset
139 let mut i = 0;
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parents:
diff changeset
140 let mut destlen = 0;
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parents:
diff changeset
141 let len = src.len();
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parents:
diff changeset
142
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parents:
diff changeset
143 while i < len {
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parents:
diff changeset
144 match state {
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parents:
diff changeset
145 path_state::START => match src[i] {
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parents:
diff changeset
146 b'/' => {
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parents:
diff changeset
147 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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parents:
diff changeset
148 i += 1;
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parents:
diff changeset
149 }
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parents:
diff changeset
150 b'.' => {
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parents:
diff changeset
151 state = path_state::LDOT;
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parents:
diff changeset
152 escape3(rewrap_option(&mut dest), &mut destlen, src[i]);
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diff changeset
153 i += 1;
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parents:
diff changeset
154 }
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parents:
diff changeset
155 b' ' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
156 state = path_state::DEFAULT;
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parents:
diff changeset
157 escape3(rewrap_option(&mut dest), &mut destlen, src[i]);
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parents:
diff changeset
158 i += 1;
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parents:
diff changeset
159 }
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parents:
diff changeset
160 b'a' => {
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diff changeset
161 state = path_state::A;
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parents:
diff changeset
162 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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parents:
diff changeset
163 i += 1;
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parents:
diff changeset
164 }
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parents:
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165 b'c' => {
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diff changeset
166 state = path_state::C;
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parents:
diff changeset
167 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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parents:
diff changeset
168 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
169 }
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parents:
diff changeset
170 b'l' => {
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parents:
diff changeset
171 state = path_state::L;
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parents:
diff changeset
172 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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parents:
diff changeset
173 i += 1;
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parents:
diff changeset
174 }
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parents:
diff changeset
175 b'n' => {
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parents:
diff changeset
176 state = path_state::N;
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parents:
diff changeset
177 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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parents:
diff changeset
178 i += 1;
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parents:
diff changeset
179 }
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parents:
diff changeset
180 b'p' => {
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parents:
diff changeset
181 state = path_state::P;
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parents:
diff changeset
182 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
183 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
184 }
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parents:
diff changeset
185 _ => {
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parents:
diff changeset
186 state = path_state::DEFAULT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
187 }
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parents:
diff changeset
188 },
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parents:
diff changeset
189 path_state::A => {
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parents:
diff changeset
190 if src[i] == b'u' {
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parents:
diff changeset
191 state = path_state::AU;
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parents:
diff changeset
192 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
193 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
194 } else {
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parents:
diff changeset
195 state = path_state::DEFAULT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
196 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
197 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
198 path_state::AU => {
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parents:
diff changeset
199 if src[i] == b'x' {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
200 state = path_state::THIRD;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
201 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
202 } else {
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parents:
diff changeset
203 state = path_state::DEFAULT;
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parents:
diff changeset
204 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
205 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
206 path_state::THIRD => {
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parents:
diff changeset
207 state = path_state::DEFAULT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
208 match src[i] {
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parents:
diff changeset
209 b'.' | b'/' | b'\0' => escape3(
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parents:
diff changeset
210 rewrap_option(&mut dest),
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
211 &mut destlen,
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
212 src[i - 1],
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
213 ),
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
214 _ => i -= 1,
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
215 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
216 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
217 path_state::C => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
218 if src[i] == b'o' {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
219 state = path_state::CO;
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parents:
diff changeset
220 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
221 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
222 } else {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
223 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
224 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
225 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
226 path_state::CO => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
227 if src[i] == b'm' {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
228 state = path_state::COMLPT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
229 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
230 } else if src[i] == b'n' {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
231 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
232 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
233 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
234 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
235 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
236 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
237 path_state::COMLPT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
238 if src[i] >= b'1' && src[i] <= b'9' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
239 state = path_state::COMLPTn;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
240 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
241 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
242 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
243 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
244 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
245 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
246 src[i - 1],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
247 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
248 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
249 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
250 path_state::COMLPTn => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
251 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
252 match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
253 b'.' | b'/' | b'\0' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
254 escape3(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
255 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
256 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
257 src[i - 2],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
258 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
259 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
260 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
261 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
262 src[i - 1],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
263 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
264 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
265 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
266 memcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
267 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
268 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
269 &src[i - 2..i],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
270 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
271 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
272 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
273 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
274 path_state::L => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
275 if src[i] == b'p' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
276 state = path_state::LP;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
277 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
278 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
279 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
280 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
281 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
282 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
283 path_state::LP => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
284 if src[i] == b't' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
285 state = path_state::COMLPT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
286 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
287 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
288 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
289 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
290 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
291 path_state::N => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
292 if src[i] == b'u' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
293 state = path_state::NU;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
294 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
295 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
296 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
297 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
298 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
299 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
300 path_state::NU => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
301 if src[i] == b'l' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
302 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
303 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
304 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
305 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
306 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
307 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
308 path_state::P => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
309 if src[i] == b'r' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
310 state = path_state::PR;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
311 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
312 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
313 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
314 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
315 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
316 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
317 path_state::PR => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
318 if src[i] == b'n' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
319 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
320 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
321 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
322 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
323 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
324 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
325 path_state::LDOT => match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
326 b'd' | b'i' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
327 state = path_state::HGDI;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
328 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
329 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
330 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
331 b'h' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
332 state = path_state::H;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
333 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
334 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
335 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
336 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
337 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
338 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
339 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
340 path_state::DOT => match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
341 b'/' | b'\0' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
342 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
343 memcopy(rewrap_option(&mut dest), &mut destlen, b"~2e");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
344 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
345 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
346 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
347 b'd' | b'i' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
348 state = path_state::HGDI;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
349 charcopy(rewrap_option(&mut dest), &mut destlen, b'.');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
350 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
351 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
352 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
353 b'h' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
354 state = path_state::H;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
355 memcopy(rewrap_option(&mut dest), &mut destlen, b".h");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
356 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
357 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
358 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
359 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
360 charcopy(rewrap_option(&mut dest), &mut destlen, b'.');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
361 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
362 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
363 path_state::H => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
364 if src[i] == b'g' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
365 state = path_state::HGDI;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
366 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
367 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
368 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
369 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
370 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
371 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
372 path_state::HGDI => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
373 if src[i] == b'/' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
374 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
375 if encodedir {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
376 memcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
377 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
378 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
379 b".hg",
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
380 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
381 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
382 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
383 i += 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
384 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
385 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
386 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
387 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
388 path_state::SPACE => match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
389 b'/' | b'\0' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
390 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
391 memcopy(rewrap_option(&mut dest), &mut destlen, b"~20");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
392 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
393 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
394 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
395 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
396 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
397 charcopy(rewrap_option(&mut dest), &mut destlen, b' ');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
398 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
399 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
400 path_state::DEFAULT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
401 while i != len && inset(onebyte, src[i]) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
402 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
403 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
404 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
405 if i == len {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
406 break;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
407 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
408 match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
409 b'.' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
410 state = path_state::DOT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
411 i += 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
412 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
413 b' ' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
414 state = path_state::SPACE;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
415 i += 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
416 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
417 b'/' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
418 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
419 charcopy(rewrap_option(&mut dest), &mut destlen, b'/');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
420 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
421 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
422 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
423 if inset(onebyte, src[i]) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
424 loop {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
425 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
426 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
427 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
428 src[i],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
429 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
430 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
431 if !(i < len && inset(onebyte, src[i])) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
432 break;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
433 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
434 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
435 } else if inset(twobytes, src[i]) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
436 let c = src[i];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
437 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
438 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
439 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
440 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
441 b'_',
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
442 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
443 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
444 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
445 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
446 if c == b'_' { b'_' } else { c + 32 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
447 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
448 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
449 escape3(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
450 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
451 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
452 src[i],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
453 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
454 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
455 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
456 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
457 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
458 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
459 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
460 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
461 match state {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
462 path_state::START => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
463 path_state::A => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
464 path_state::AU => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
465 path_state::THIRD => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
466 escape3(rewrap_option(&mut dest), &mut destlen, src[i - 1])
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
467 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
468 path_state::C => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
469 path_state::CO => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
470 path_state::COMLPT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
471 charcopy(rewrap_option(&mut dest), &mut destlen, src[i - 1])
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
472 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
473 path_state::COMLPTn => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
474 escape3(rewrap_option(&mut dest), &mut destlen, src[i - 2]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
475 charcopy(rewrap_option(&mut dest), &mut destlen, src[i - 1]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
476 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
477 path_state::L => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
478 path_state::LP => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
479 path_state::N => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
480 path_state::NU => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
481 path_state::P => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
482 path_state::PR => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
483 path_state::LDOT => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
484 path_state::DOT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
485 memcopy(rewrap_option(&mut dest), &mut destlen, b"~2e");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
486 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
487 path_state::H => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
488 path_state::HGDI => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
489 path_state::SPACE => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
490 memcopy(rewrap_option(&mut dest), &mut destlen, b"~20");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
491 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
492 path_state::DEFAULT => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
493 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
494 destlen
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
495 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
496
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
497 fn basic_encode(dest: Option<&mut [u8]>, src: &[u8]) -> usize {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
498 let twobytes: [u32; 8] = [0, 0, 0x87ff_fffe, 0, 0, 0, 0, 0];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
499 let onebyte: [u32; 8] =
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
500 [1, 0x2bff_3bfa, 0x6800_0001, 0x2fff_ffff, 0, 0, 0, 0];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
501 _encode(&twobytes, &onebyte, dest, src, true)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
502 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
503
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
504 const MAXSTOREPATHLEN: usize = 120;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
505
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
506 fn lower_encode(mut dest: Option<&mut [u8]>, src: &[u8]) -> usize {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
507 let onebyte: [u32; 8] =
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
508 [1, 0x2bff_fbfb, 0xe800_0001, 0x2fff_ffff, 0, 0, 0, 0];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
509 let lower: [u32; 8] = [0, 0, 0x07ff_fffe, 0, 0, 0, 0, 0];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
510 let mut destlen = 0;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
511 for c in src {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
512 if inset(&onebyte, *c) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
513 charcopy(rewrap_option(&mut dest), &mut destlen, *c)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
514 } else if inset(&lower, *c) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
515 charcopy(rewrap_option(&mut dest), &mut destlen, *c + 32)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
516 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
517 escape3(rewrap_option(&mut dest), &mut destlen, *c)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
518 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
519 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
520 destlen
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
521 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
522
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
523 fn aux_encode(dest: Option<&mut [u8]>, src: &[u8]) -> usize {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
524 let twobytes = [0; 8];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
525 let onebyte: [u32; 8] = [!0, 0xffff_3ffe, !0, !0, !0, !0, !0, !0];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
526 _encode(&twobytes, &onebyte, dest, src, false)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
527 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
528
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
529 fn hash_mangle(src: &[u8], sha: &[u8]) -> Vec<u8> {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
530 let dirprefixlen = 8;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
531 let maxshortdirslen = 68;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
532 let mut destlen = 0;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
533
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
534 let last_slash = src.iter().rposition(|b| *b == b'/');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
535 let last_dot: Option<usize> = {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
536 let s = last_slash.unwrap_or(0);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
537 src[s..]
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
538 .iter()
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
539 .rposition(|b| *b == b'.')
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
540 .and_then(|i| Some(i + s))
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
541 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
542
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
543 let mut dest = vec![0; MAXSTOREPATHLEN];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
544 memcopy(Some(&mut dest), &mut destlen, b"dh/");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
545
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
546 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
547 let mut first = true;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
548 for slice in src[..last_slash.unwrap_or_else(|| src.len())]
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
549 .split(|b| *b == b'/')
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
550 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
551 let slice = &slice[..std::cmp::min(slice.len(), dirprefixlen)];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
552 if destlen + (slice.len() + if first { 0 } else { 1 })
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
553 > maxshortdirslen + 3
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
554 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
555 break;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
556 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
557 if !first {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
558 charcopy(Some(&mut dest), &mut destlen, b'/')
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
559 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
560 memcopy(Some(&mut dest), &mut destlen, slice);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
561 if dest[destlen - 1] == b'.' || dest[destlen - 1] == b' ' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
562 dest[destlen - 1] = b'_'
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
563 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
564 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
565 first = false;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
566 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
567 if !first {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
568 charcopy(Some(&mut dest), &mut destlen, b'/');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
569 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
570 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
571
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
572 let used = destlen + 40 + {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
573 if let Some(l) = last_dot {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
574 src.len() - l
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
575 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
576 0
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
577 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
578 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
579
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
580 if MAXSTOREPATHLEN > used {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
581 let slop = MAXSTOREPATHLEN - used;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
582 let basenamelen = match last_slash {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
583 Some(l) => src.len() - l - 1,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
584 None => src.len(),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
585 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
586 let basenamelen = std::cmp::min(basenamelen, slop);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
587 if basenamelen > 0 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
588 let start = match last_slash {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
589 Some(l) => l + 1,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
590 None => 0,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
591 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
592 memcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
593 Some(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
594 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
595 &src[start..][..basenamelen],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
596 )
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
597 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
598 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
599 for c in sha {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
600 hexencode(Some(&mut dest), &mut destlen, *c);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
601 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
602 if let Some(l) = last_dot {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
603 memcopy(Some(&mut dest), &mut destlen, &src[l..]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
604 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
605 if destlen == dest.len() {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
606 dest
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
607 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
608 // sometimes the path are shorter than MAXSTOREPATHLEN
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
609 dest[..destlen].to_vec()
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
610 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
611 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
612
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
613 const MAXENCODE: usize = 4096 * 4;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
614 fn hash_encode(src: &[u8]) -> Vec<u8> {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
615 let dired = &mut [0; MAXENCODE];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
616 let lowered = &mut [0; MAXENCODE];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
617 let auxed = &mut [0; MAXENCODE];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
618 let baselen = (src.len() - 5) * 3;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
619 if baselen >= MAXENCODE {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
620 panic!("path_encode::hash_encore: string too long: {}", baselen)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
621 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
622 let dirlen = encode_dir(Some(&mut dired[..]), src);
47386
fad504cfc94b rust: Use a maintained crate for SHA-1 hashing
Simon Sapin <simon.sapin@octobus.net>
parents: 45545
diff changeset
623 let sha = Sha1::digest(&dired[..dirlen]);
45545
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
624 let lowerlen = lower_encode(Some(&mut lowered[..]), &dired[..dirlen][5..]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
625 let auxlen = aux_encode(Some(&mut auxed[..]), &lowered[..lowerlen]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
626 hash_mangle(&auxed[..auxlen], &sha)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
627 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
628
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
629 pub fn path_encode(path: &[u8]) -> Vec<u8> {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
630 let newlen = if path.len() <= MAXSTOREPATHLEN {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
631 basic_encode(None, path)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
632 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
633 MAXSTOREPATHLEN + 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
634 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
635 if newlen <= MAXSTOREPATHLEN {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
636 if newlen == path.len() {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
637 path.to_vec()
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
638 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
639 let mut res = vec![0; newlen];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
640 basic_encode(Some(&mut res), path);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
641 res
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
642 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
643 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
644 hash_encode(&path)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
645 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
646 }