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annotate vim/autoload/ctrlp/autoignore.vim @ 240:3a6b11d16a2a

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Simpler registration for CtrlP extensions.
author Ludovic Chabant <ludovic@chabant.com>
date Fri, 12 Dec 2014 16:53:19 -0800
parents vim/autoload/ctrlpext/autoignore.vim@4e276e0cdd98
children
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1 " =============================================================================
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2 " File: autoload/ctrlp/autoignore.vim
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3 " Description: Auto-ignore Extension
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4 " Author: Ludovic Chabant <github.com/ludovicchabant>
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5 " =============================================================================
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6
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7
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8 " Global Settings {{{
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9
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10 if !exists('g:ctrlp_autoignore_debug')
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11 let g:ctrlp_autoignore_debug = 0
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12 endif
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13
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14 if !exists('g:ctrlp_autoignore_trace')
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15 let g:ctrlp_autoignore_trace = 0
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16 endif
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17
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18 if exists('g:ctrlp_autoignore_loaded') && g:ctrlp_autoignore_loaded
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19 \ && !g:ctrlp_autoignore_debug
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20 finish
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21 endif
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22 let g:ctrlp_autoignore_loaded = 1
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23
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24 " }}}
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25
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26 " Initialization {{{
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27
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28 if !exists('g:ctrlp_custom_ignore')
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29 let g:ctrlp_custom_ignore = {}
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30 endif
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31 let g:ctrlp_custom_ignore['func'] = 'ctrlp#autoignore#ignore'
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32 let g:ctrlp_custom_ignore['func-init'] = 'ctrlp#autoignore#ignore_init'
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33
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34 " }}}
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35
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36 " Internals {{{
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37
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38 function! s:trace(message) abort
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39 if g:ctrlp_autoignore_trace
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40 echom "ctrlp_autoignore: " . a:message
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41 endif
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42 endfunction
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43
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44 let s:proj_cache = {}
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45 let s:active_patterns = []
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46
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47 function! s:load_project_patterns(root_dir) abort
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48 let l:ign_path = a:root_dir . '/.ctrlpignore'
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49 if !filereadable(l:ign_path)
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50 call s:trace("No pattern file at: " . l:ign_path)
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51 return []
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52 endif
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53 let l:patterns = []
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54 let l:lines = readfile(l:ign_path)
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55 for line in l:lines
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56 if match(line, '\v^\s*$') >= 0 || match(line, '\v^\s*#') >= 0
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57 continue
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58 endif
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59 let l:matches = matchlist(line, '\v^((dir|file|link)\:)?(.*)')
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60 let l:mtype = l:matches[2]
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61 let l:mpat = l:matches[3]
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62 call add(l:patterns, {'type': l:mtype, 'pat': l:mpat})
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63 endfor
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64 call s:trace("Loaded " . len(l:patterns) . " patterns from: " . l:ign_path)
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65 return l:patterns
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66 endfunction
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67
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68 function! s:get_project_patterns(root_dir) abort
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69 let l:patterns = get(s:proj_cache, a:root_dir)
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70 if type(l:patterns) == type([])
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71 return l:patterns
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72 endif
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73
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74 call s:trace("Loading patterns for project: " . a:root_dir)
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75 let l:loaded = s:load_project_patterns(a:root_dir)
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76 let s:proj_cache[a:root_dir] = l:loaded
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77 return l:loaded
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78 endfunction
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79
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80 " The custom ignore function that CtrlP will be using in addition to
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81 " normal pattern-based matching.
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82 function! ctrlp#autoignore#ignore(item, type) abort
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83 for pat in s:active_patterns
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84 if pat['type'] == '' || pat['type'] == a:type
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85 if match(a:item, pat['pat']) >= 0
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86 return 1
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87 endif
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88 endif
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89 endfor
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90 return 0
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91 endfunction
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92
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93 function! ctrlp#autoignore#ignore_init() abort
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94 let l:root = getcwd()
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95 let s:active_patterns = s:get_project_patterns(l:root)
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96 endfunction
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97
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98 " List patterns for a given project's root.
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99 function! ctrlp#autoignore#get_patterns(root_dir) abort
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100 let l:patterns = s:get_project_patterns(a:root_dir)
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101 for pat in l:patterns
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102 let l:prefix = pat['type'] == '' ? '(all)' : pat['type']
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103 echom l:prefix . ':' . pat['pat']
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104 endfor
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105 endfunction
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106
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107 " }}}
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108