Mercurial > public > mercurial-scm > hg

annotate hgext/fastannotate/formatter.py @ 39878:3e896b51aa5d

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storageutil: move metadata parsing and packing from revlog (API) Parsing and writing of revision text metadata is likely identical across storage backends. Let's move the code out of revlog so we don't need to import the revlog module in order to use it. Differential Revision: https://phab.mercurial-scm.org/D4754
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 24 Sep 2018 14:31:31 -0700
parents 7e3ce2131882
children 001f27970b60
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Copyright 2016-present Facebook. All Rights Reserved.
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2 #
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3 # format: defines the format used to output annotate result
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7 from __future__ import absolute_import
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8
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9 from mercurial import (
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10 encoding,
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11 node,
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12 pycompat,
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13 templatefilters,
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14 util,
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15 )
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16 from mercurial.utils import (
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17 dateutil,
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18 )
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19
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20 # imitating mercurial.commands.annotate, not using the vanilla formatter since
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21 # the data structures are a bit different, and we have some fast paths.
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22 class defaultformatter(object):
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23 """the default formatter that does leftpad and support some common flags"""
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24
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25 def __init__(self, ui, repo, opts):
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26 self.ui = ui
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27 self.opts = opts
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28
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29 if ui.quiet:
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30 datefunc = dateutil.shortdate
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31 else:
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32 datefunc = dateutil.datestr
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33 datefunc = util.cachefunc(datefunc)
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34 getctx = util.cachefunc(lambda x: repo[x[0]])
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35 hexfunc = self._hexfunc
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36
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37 # special handling working copy "changeset" and "rev" functions
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38 if self.opts.get('rev') == 'wdir()':
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39 orig = hexfunc
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40 hexfunc = lambda x: None if x is None else orig(x)
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41 wnode = hexfunc(repo[None].p1().node()) + '+'
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42 wrev = str(repo[None].p1().rev())
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43 wrevpad = ''
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44 if not opts.get('changeset'): # only show + if changeset is hidden
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45 wrev += '+'
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46 wrevpad = ' '
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47 revenc = lambda x: wrev if x is None else str(x) + wrevpad
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48 csetenc = lambda x: wnode if x is None else str(x) + ' '
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49 else:
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50 revenc = csetenc = str
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51
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52 # opt name, separator, raw value (for json/plain), encoder (for plain)
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53 opmap = [('user', ' ', lambda x: getctx(x).user(), ui.shortuser),
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54 ('number', ' ', lambda x: getctx(x).rev(), revenc),
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55 ('changeset', ' ', lambda x: hexfunc(x[0]), csetenc),
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56 ('date', ' ', lambda x: getctx(x).date(), datefunc),
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57 ('file', ' ', lambda x: x[2], str),
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58 ('line_number', ':', lambda x: x[1] + 1, str)]
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59 fieldnamemap = {'number': 'rev', 'changeset': 'node'}
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60 funcmap = [(get, sep, fieldnamemap.get(op, op), enc)
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61 for op, sep, get, enc in opmap
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62 if opts.get(op)]
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63 # no separator for first column
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64 funcmap[0] = list(funcmap[0])
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65 funcmap[0][1] = ''
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66 self.funcmap = funcmap
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67
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68 def write(self, annotatedresult, lines=None, existinglines=None):
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69 """(annotateresult, [str], set([rev, linenum])) -> None. write output.
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70 annotateresult can be [(node, linenum, path)], or [(node, linenum)]
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71 """
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72 pieces = [] # [[str]]
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73 maxwidths = [] # [int]
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74
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75 # calculate padding
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76 for f, sep, name, enc in self.funcmap:
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77 l = [enc(f(x)) for x in annotatedresult]
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78 pieces.append(l)
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79 if name in ['node', 'date']: # node and date has fixed size
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80 l = l[:1]
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81 widths = pycompat.maplist(encoding.colwidth, set(l))
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82 maxwidth = (max(widths) if widths else 0)
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83 maxwidths.append(maxwidth)
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84
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85 # buffered output
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86 result = ''
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87 for i in pycompat.xrange(len(annotatedresult)):
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88 for j, p in enumerate(pieces):
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89 sep = self.funcmap[j][1]
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90 padding = ' ' * (maxwidths[j] - len(p[i]))
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91 result += sep + padding + p[i]
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92 if lines:
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93 if existinglines is None:
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94 result += ': ' + lines[i]
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95 else: # extra formatting showing whether a line exists
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96 key = (annotatedresult[i][0], annotatedresult[i][1])
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97 if key in existinglines:
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98 result += ': ' + lines[i]
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99 else:
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100 result += ': ' + self.ui.label('-' + lines[i],
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101 'diff.deleted')
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102
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103 if result[-1] != '\n':
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104 result += '\n'
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105
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106 self.ui.write(result)
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107
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108 @util.propertycache
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109 def _hexfunc(self):
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110 if self.ui.debugflag or self.opts.get('long_hash'):
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111 return node.hex
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112 else:
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113 return node.short
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114
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115 def end(self):
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116 pass
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117
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118 class jsonformatter(defaultformatter):
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119 def __init__(self, ui, repo, opts):
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120 super(jsonformatter, self).__init__(ui, repo, opts)
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121 self.ui.write('[')
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122 self.needcomma = False
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123
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124 def write(self, annotatedresult, lines=None, existinglines=None):
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125 if annotatedresult:
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126 self._writecomma()
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127
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128 pieces = [(name, map(f, annotatedresult))
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129 for f, sep, name, enc in self.funcmap]
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130 if lines is not None:
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131 pieces.append(('line', lines))
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132 pieces.sort()
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133
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134 seps = [','] * len(pieces[:-1]) + ['']
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135
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136 result = ''
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137 lasti = len(annotatedresult) - 1
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138 for i in pycompat.xrange(len(annotatedresult)):
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139 result += '\n {\n'
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140 for j, p in enumerate(pieces):
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141 k, vs = p
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142 result += (' "%s": %s%s\n'
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143 % (k, templatefilters.json(vs[i], paranoid=False),
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144 seps[j]))
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145 result += ' }%s' % ('' if i == lasti else ',')
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146 if lasti >= 0:
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147 self.needcomma = True
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148
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149 self.ui.write(result)
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150
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151 def _writecomma(self):
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152 if self.needcomma:
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153 self.ui.write(',')
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154 self.needcomma = False
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155
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156 @util.propertycache
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157 def _hexfunc(self):
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158 return node.hex
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159
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160 def end(self):
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161 self.ui.write('\n]\n')