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annotate rust/hg-core/src/revlog/path_encode.rs @ 46152:e166e8a035a7

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copies-rust: use the entry API to overwrite deleted entry This is more efficient, more idiomatic and more compact. The main motivation for this change is to cleanup that area before start to do "overwrite" tracking. Such tracking will ultimately help to avoid costly is_ancestors call when merging changeset. Differential Revision: https://phab.mercurial-scm.org/D9494
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 02 Dec 2020 10:51:40 +0100
parents aebc976fd7d5
children fad504cfc94b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
45539
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1 use crypto::digest::Digest;
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2 use crypto::sha1::Sha1;
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3
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4 #[derive(PartialEq, Debug)]
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5 #[allow(non_camel_case_types)]
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6 enum path_state {
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7 START, /* first byte of a path component */
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8 A, /* "AUX" */
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9 AU,
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10 THIRD, /* third of a 3-byte sequence, e.g. "AUX", "NUL" */
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11 C, /* "CON" or "COMn" */
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12 CO,
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13 COMLPT, /* "COM" or "LPT" */
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14 COMLPTn,
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15 L,
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16 LP,
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17 N,
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18 NU,
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19 P, /* "PRN" */
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20 PR,
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21 LDOT, /* leading '.' */
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22 DOT, /* '.' in a non-leading position */
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23 H, /* ".h" */
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24 HGDI, /* ".hg", ".d", or ".i" */
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25 SPACE,
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26 DEFAULT, /* byte of a path component after the first */
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27 }
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28
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29 /* state machine for dir-encoding */
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30 #[allow(non_camel_case_types)]
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31 enum dir_state {
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32 DDOT,
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33 DH,
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34 DHGDI,
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35 DDEFAULT,
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36 }
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37
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38 fn inset(bitset: &[u32; 8], c: u8) -> bool {
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39 bitset[(c as usize) >> 5] & (1 << (c & 31)) != 0
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40 }
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41
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42 fn charcopy(dest: Option<&mut [u8]>, destlen: &mut usize, c: u8) {
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43 if let Some(slice) = dest {
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44 slice[*destlen] = c
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45 }
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46 *destlen += 1
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47 }
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48
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49 fn memcopy(dest: Option<&mut [u8]>, destlen: &mut usize, src: &[u8]) {
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50 if let Some(slice) = dest {
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51 slice[*destlen..*destlen + src.len()].copy_from_slice(src)
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52 }
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53 *destlen += src.len();
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54 }
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55
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56 fn rewrap_option<'a, 'b: 'a>(
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57 x: &'a mut Option<&'b mut [u8]>,
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58 ) -> Option<&'a mut [u8]> {
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59 match x {
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60 None => None,
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61 Some(y) => Some(y),
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62 }
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63 }
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64
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65 fn hexencode<'a>(mut dest: Option<&'a mut [u8]>, destlen: &mut usize, c: u8) {
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66 let hexdigit = b"0123456789abcdef";
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67 charcopy(
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68 rewrap_option(&mut dest),
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69 destlen,
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70 hexdigit[(c as usize) >> 4],
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71 );
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72 charcopy(dest, destlen, hexdigit[(c as usize) & 15]);
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73 }
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74
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75 /* 3-byte escape: tilde followed by two hex digits */
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76 fn escape3(mut dest: Option<&mut [u8]>, destlen: &mut usize, c: u8) {
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77 charcopy(rewrap_option(&mut dest), destlen, b'~');
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78 hexencode(dest, destlen, c);
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79 }
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80
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81 fn encode_dir(mut dest: Option<&mut [u8]>, src: &[u8]) -> usize {
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82 let mut state = dir_state::DDEFAULT;
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83 let mut i = 0;
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84 let mut destlen = 0;
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85
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86 while i < src.len() {
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87 match state {
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88 dir_state::DDOT => match src[i] {
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89 b'd' | b'i' => {
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90 state = dir_state::DHGDI;
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91 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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92 i += 1;
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93 }
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94 b'h' => {
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95 state = dir_state::DH;
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96 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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97 i += 1;
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98 }
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99 _ => {
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100 state = dir_state::DDEFAULT;
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101 }
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102 },
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103 dir_state::DH => {
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104 if src[i] == b'g' {
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105 state = dir_state::DHGDI;
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106 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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107 i += 1;
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108 } else {
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109 state = dir_state::DDEFAULT;
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110 }
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111 }
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112 dir_state::DHGDI => {
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113 if src[i] == b'/' {
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114 memcopy(rewrap_option(&mut dest), &mut destlen, b".hg");
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115 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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116 i += 1;
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117 }
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118 state = dir_state::DDEFAULT;
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119 }
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120 dir_state::DDEFAULT => {
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121 if src[i] == b'.' {
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122 state = dir_state::DDOT
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123 }
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124 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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125 i += 1;
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126 }
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127 }
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128 }
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129 destlen
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130 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
131
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
132 fn _encode(
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
133 twobytes: &[u32; 8],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
134 onebyte: &[u32; 8],
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
135 mut dest: Option<&mut [u8]>,
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
136 src: &[u8],
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
137 encodedir: bool,
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
138 ) -> usize {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
139 let mut state = path_state::START;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
140 let mut i = 0;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
141 let mut destlen = 0;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
142 let len = src.len();
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
143
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
144 while i < len {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
145 match state {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
146 path_state::START => match src[i] {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
147 b'/' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
148 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
149 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
150 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
151 b'.' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
152 state = path_state::LDOT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
153 escape3(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
154 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
155 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
156 b' ' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
157 state = path_state::DEFAULT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
158 escape3(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
159 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
160 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
161 b'a' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
162 state = path_state::A;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
163 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
164 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
165 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
166 b'c' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
167 state = path_state::C;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
168 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
169 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
170 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
171 b'l' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
172 state = path_state::L;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
173 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
174 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
175 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
176 b'n' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
177 state = path_state::N;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
178 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
179 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
180 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
181 b'p' => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
182 state = path_state::P;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
183 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
184 i += 1;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
185 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
186 _ => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
187 state = path_state::DEFAULT;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
188 }
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
189 },
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
190 path_state::A => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
191 if src[i] == b'u' {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
192 state = path_state::AU;
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
193 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
194 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
195 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
196 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
197 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
198 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
199 path_state::AU => {
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Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
200 if src[i] == b'x' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
201 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
202 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
203 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
204 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
205 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
206 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
207 path_state::THIRD => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
208 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
209 match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
210 b'.' | b'/' | b'\0' => escape3(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
211 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
212 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
213 src[i - 1],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
214 ),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
215 _ => i -= 1,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
216 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
217 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
218 path_state::C => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
219 if src[i] == b'o' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
220 state = path_state::CO;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
221 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
222 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
223 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
224 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
225 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
226 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
227 path_state::CO => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
228 if src[i] == b'm' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
229 state = path_state::COMLPT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
230 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
231 } else if src[i] == b'n' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
232 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
233 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
234 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
235 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
238 path_state::COMLPT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
239 if src[i] >= b'1' && src[i] <= b'9' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
240 state = path_state::COMLPTn;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
241 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
242 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
243 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
244 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
245 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
246 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
247 src[i - 1],
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
251 path_state::COMLPTn => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
252 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
253 match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
254 b'.' | b'/' | b'\0' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
255 escape3(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
256 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
257 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
258 src[i - 2],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
259 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
260 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
261 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
262 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
263 src[i - 1],
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 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
267 memcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
268 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
269 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
270 &src[i - 2..i],
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
275 path_state::L => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
276 if src[i] == b'p' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
277 state = path_state::LP;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
278 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
279 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
280 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
281 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
284 path_state::LP => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
285 if src[i] == b't' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
286 state = path_state::COMLPT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
287 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
288 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
289 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
292 path_state::N => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
293 if src[i] == b'u' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
294 state = path_state::NU;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
295 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
296 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
297 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
298 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
301 path_state::NU => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
302 if src[i] == b'l' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
303 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
304 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
305 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
306 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
309 path_state::P => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
310 if src[i] == b'r' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
311 state = path_state::PR;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
312 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
313 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
314 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
315 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
318 path_state::PR => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
319 if src[i] == b'n' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
320 state = path_state::THIRD;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
321 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
322 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
323 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
326 path_state::LDOT => match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
327 b'd' | b'i' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
328 state = path_state::HGDI;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
329 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
330 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
331 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
332 b'h' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
333 state = path_state::H;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
334 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
335 i += 1;
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 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
338 state = path_state::DEFAULT;
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 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
341 path_state::DOT => match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
342 b'/' | b'\0' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
343 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
344 memcopy(rewrap_option(&mut dest), &mut destlen, b"~2e");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
345 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
346 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
347 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
348 b'd' | b'i' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
349 state = path_state::HGDI;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
350 charcopy(rewrap_option(&mut dest), &mut destlen, b'.');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
351 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
352 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
353 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
354 b'h' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
355 state = path_state::H;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
356 memcopy(rewrap_option(&mut dest), &mut destlen, b".h");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
357 i += 1;
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 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
360 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
361 charcopy(rewrap_option(&mut dest), &mut destlen, b'.');
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 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
364 path_state::H => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
365 if src[i] == b'g' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
366 state = path_state::HGDI;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
367 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
368 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
369 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
370 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
373 path_state::HGDI => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
374 if src[i] == b'/' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
375 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
376 if encodedir {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
377 memcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
378 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
379 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
380 b".hg",
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
383 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
384 i += 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
385 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
386 state = path_state::DEFAULT;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
389 path_state::SPACE => match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
390 b'/' | b'\0' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
391 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
392 memcopy(rewrap_option(&mut dest), &mut destlen, b"~20");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
393 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
394 i += 1;
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 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
397 state = path_state::DEFAULT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
398 charcopy(rewrap_option(&mut dest), &mut destlen, b' ');
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 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
401 path_state::DEFAULT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
402 while i != len && inset(onebyte, src[i]) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
403 charcopy(rewrap_option(&mut dest), &mut destlen, src[i]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
404 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
405 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
406 if i == len {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
407 break;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
408 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
409 match src[i] {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
410 b'.' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
411 state = path_state::DOT;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
412 i += 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
413 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
414 b' ' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
415 state = path_state::SPACE;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
416 i += 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
417 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
418 b'/' => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
419 state = path_state::START;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
420 charcopy(rewrap_option(&mut dest), &mut destlen, b'/');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
421 i += 1;
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 _ => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
424 if inset(onebyte, src[i]) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
425 loop {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
426 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
427 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
428 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
429 src[i],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
430 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
431 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
432 if !(i < len && inset(onebyte, src[i])) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
433 break;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
436 } else if inset(twobytes, src[i]) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
437 let c = src[i];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
438 i += 1;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
439 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
440 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
441 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
442 b'_',
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
443 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
444 charcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
445 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
446 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
447 if c == b'_' { b'_' } else { c + 32 },
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
448 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
449 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
450 escape3(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
451 rewrap_option(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
452 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
453 src[i],
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
454 );
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
455 i += 1;
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
462 match state {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
463 path_state::START => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
464 path_state::A => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
465 path_state::AU => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
466 path_state::THIRD => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
467 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
468 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
469 path_state::C => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
470 path_state::CO => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
471 path_state::COMLPT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
472 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
473 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
474 path_state::COMLPTn => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
475 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
476 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
477 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
478 path_state::L => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
479 path_state::LP => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
480 path_state::N => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
481 path_state::NU => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
482 path_state::P => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
483 path_state::PR => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
484 path_state::LDOT => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
485 path_state::DOT => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
486 memcopy(rewrap_option(&mut dest), &mut destlen, b"~2e");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
487 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
488 path_state::H => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
489 path_state::HGDI => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
490 path_state::SPACE => {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
491 memcopy(rewrap_option(&mut dest), &mut destlen, b"~20");
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
492 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
493 path_state::DEFAULT => (),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
494 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
495 destlen
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
498 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
499 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
500 let onebyte: [u32; 8] =
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
501 [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
502 _encode(&twobytes, &onebyte, dest, src, true)
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
505 const MAXSTOREPATHLEN: usize = 120;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
506
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
507 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
508 let onebyte: [u32; 8] =
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
509 [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
510 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
511 let mut destlen = 0;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
512 for c in src {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
513 if inset(&onebyte, *c) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
514 charcopy(rewrap_option(&mut dest), &mut destlen, *c)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
515 } else if inset(&lower, *c) {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
516 charcopy(rewrap_option(&mut dest), &mut destlen, *c + 32)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
517 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
518 escape3(rewrap_option(&mut dest), &mut destlen, *c)
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
521 destlen
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
524 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
525 let twobytes = [0; 8];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
526 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
527 _encode(&twobytes, &onebyte, dest, src, false)
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
530 fn hash_mangle(src: &[u8], sha: &[u8]) -> Vec<u8> {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
531 let dirprefixlen = 8;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
532 let maxshortdirslen = 68;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
533 let mut destlen = 0;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
534
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
535 let last_slash = src.iter().rposition(|b| *b == b'/');
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
536 let last_dot: Option<usize> = {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
537 let s = last_slash.unwrap_or(0);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
538 src[s..]
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
539 .iter()
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
540 .rposition(|b| *b == b'.')
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
541 .and_then(|i| Some(i + s))
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
544 let mut dest = vec![0; MAXSTOREPATHLEN];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
545 memcopy(Some(&mut dest), &mut destlen, b"dh/");
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 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
548 let mut first = true;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
549 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
550 .split(|b| *b == b'/')
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
551 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
552 let slice = &slice[..std::cmp::min(slice.len(), dirprefixlen)];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
553 if destlen + (slice.len() + if first { 0 } else { 1 })
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
554 > maxshortdirslen + 3
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
555 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
556 break;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
557 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
558 if !first {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
559 charcopy(Some(&mut dest), &mut destlen, b'/')
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
560 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
561 memcopy(Some(&mut dest), &mut destlen, slice);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
562 if dest[destlen - 1] == b'.' || dest[destlen - 1] == b' ' {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
563 dest[destlen - 1] = b'_'
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
566 first = false;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
567 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
568 if !first {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
569 charcopy(Some(&mut dest), &mut destlen, b'/');
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
573 let used = destlen + 40 + {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
574 if let Some(l) = last_dot {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
575 src.len() - l
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
576 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
577 0
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
581 if MAXSTOREPATHLEN > used {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
582 let slop = MAXSTOREPATHLEN - used;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
583 let basenamelen = match last_slash {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
584 Some(l) => src.len() - l - 1,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
585 None => src.len(),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
586 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
587 let basenamelen = std::cmp::min(basenamelen, slop);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
588 if basenamelen > 0 {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
589 let start = match last_slash {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
590 Some(l) => l + 1,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
591 None => 0,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
592 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
593 memcopy(
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
594 Some(&mut dest),
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
595 &mut destlen,
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
596 &src[start..][..basenamelen],
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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
600 for c in sha {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
601 hexencode(Some(&mut dest), &mut destlen, *c);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
602 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
603 if let Some(l) = last_dot {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
604 memcopy(Some(&mut dest), &mut destlen, &src[l..]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
605 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
606 if destlen == dest.len() {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
607 dest
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
608 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
609 // sometimes the path are shorter than MAXSTOREPATHLEN
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
610 dest[..destlen].to_vec()
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
614 const MAXENCODE: usize = 4096 * 4;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
615 fn hash_encode(src: &[u8]) -> Vec<u8> {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
616 let dired = &mut [0; MAXENCODE];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
617 let lowered = &mut [0; MAXENCODE];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
618 let auxed = &mut [0; MAXENCODE];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
619 let baselen = (src.len() - 5) * 3;
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
620 if baselen >= MAXENCODE {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
621 panic!("path_encode::hash_encore: string too long: {}", baselen)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
622 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
623 let dirlen = encode_dir(Some(&mut dired[..]), src);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
624 let sha = {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
625 let mut hasher = Sha1::new();
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
626 hasher.input(&dired[..dirlen]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
627 let mut hash = vec![0; 20];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
628 hasher.result(&mut hash);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
629 hash
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
630 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
631 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
632 let auxlen = aux_encode(Some(&mut auxed[..]), &lowered[..lowerlen]);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
633 hash_mangle(&auxed[..auxlen], &sha)
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
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
636 pub fn path_encode(path: &[u8]) -> Vec<u8> {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
637 let newlen = if path.len() <= MAXSTOREPATHLEN {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
638 basic_encode(None, path)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
639 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
640 MAXSTOREPATHLEN + 1
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
641 };
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
642 if newlen <= MAXSTOREPATHLEN {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
643 if newlen == path.len() {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
644 path.to_vec()
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
645 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
646 let mut res = vec![0; newlen];
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
647 basic_encode(Some(&mut res), path);
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
648 res
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
649 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
650 } else {
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
651 hash_encode(&path)
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
652 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
653 }