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annotate rust/hg-core/src/revlog/path_encode.rs @ 46167:8a4914397d02

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rust: introduce Repo and Vfs types for filesystem abstraction This is similar to the corresponding Python classes. Repo represents a repository and knows the path to the `.hg` directory, the `store` directory, and the working directory. Separating these will enable supporting the share extension. A Vfs is created from a Repo for one of these three directories. It has filesystem access APIs that take a relative std::path::Path as a parameter. Differential Revision: https://phab.mercurial-scm.org/D9596
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 14 Dec 2020 16:33:15 +0100
parents aebc976fd7d5
children fad504cfc94b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 }
aebc976fd7d5 hg-core: add path_encode
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff changeset
131
aebc976fd7d5 hg-core: add path_encode
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 {
aebc976fd7d5 hg-core: add path_encode
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();
aebc976fd7d5 hg-core: add path_encode
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]);
aebc976fd7d5 hg-core: add path_encode
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;
aebc976fd7d5 hg-core: add path_encode
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 }