diff options
author | Maxim Rydkin <maks.rydkin@gmail.com> | 2017-09-06 14:08:06 +0300 |
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committer | Maxim Rydkin <maks.rydkin@gmail.com> | 2017-09-12 22:32:01 +0300 |
commit | 060fc3905de795ff206260b97afd18177f876316 (patch) | |
tree | 6e525d1d5d927a41d42a4b2df84b608415874eb8 /lib/ci | |
parent | 61b596a681a35b48b0171f8e3cf04cdd4c44e7c9 (diff) |
move `lib/ci/ansi2html.rb` into `lib/gitlab/ci/ansi2html.rb`
Diffstat (limited to 'lib/ci')
-rw-r--r-- | lib/ci/ansi2html.rb | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/lib/ci/ansi2html.rb b/lib/ci/ansi2html.rb deleted file mode 100644 index b9e9f9f7f4a..00000000000 --- a/lib/ci/ansi2html.rb +++ /dev/null @@ -1,331 +0,0 @@ -# ANSI color library -# -# Implementation per http://en.wikipedia.org/wiki/ANSI_escape_code -module Ci - module Ansi2html - # keys represent the trailing digit in color changing command (30-37, 40-47, 90-97. 100-107) - COLOR = { - 0 => 'black', # not that this is gray in the intense color table - 1 => 'red', - 2 => 'green', - 3 => 'yellow', - 4 => 'blue', - 5 => 'magenta', - 6 => 'cyan', - 7 => 'white', # not that this is gray in the dark (aka default) color table - }.freeze - - STYLE_SWITCHES = { - bold: 0x01, - italic: 0x02, - underline: 0x04, - conceal: 0x08, - cross: 0x10 - }.freeze - - def self.convert(ansi, state = nil) - Converter.new.convert(ansi, state) - end - - class Converter - def on_0(s) reset() end - - def on_1(s) enable(STYLE_SWITCHES[:bold]) end - - def on_3(s) enable(STYLE_SWITCHES[:italic]) end - - def on_4(s) enable(STYLE_SWITCHES[:underline]) end - - def on_8(s) enable(STYLE_SWITCHES[:conceal]) end - - def on_9(s) enable(STYLE_SWITCHES[:cross]) end - - def on_21(s) disable(STYLE_SWITCHES[:bold]) end - - def on_22(s) disable(STYLE_SWITCHES[:bold]) end - - def on_23(s) disable(STYLE_SWITCHES[:italic]) end - - def on_24(s) disable(STYLE_SWITCHES[:underline]) end - - def on_28(s) disable(STYLE_SWITCHES[:conceal]) end - - def on_29(s) disable(STYLE_SWITCHES[:cross]) end - - def on_30(s) set_fg_color(0) end - - def on_31(s) set_fg_color(1) end - - def on_32(s) set_fg_color(2) end - - def on_33(s) set_fg_color(3) end - - def on_34(s) set_fg_color(4) end - - def on_35(s) set_fg_color(5) end - - def on_36(s) set_fg_color(6) end - - def on_37(s) set_fg_color(7) end - - def on_38(s) set_fg_color_256(s) end - - def on_39(s) set_fg_color(9) end - - def on_40(s) set_bg_color(0) end - - def on_41(s) set_bg_color(1) end - - def on_42(s) set_bg_color(2) end - - def on_43(s) set_bg_color(3) end - - def on_44(s) set_bg_color(4) end - - def on_45(s) set_bg_color(5) end - - def on_46(s) set_bg_color(6) end - - def on_47(s) set_bg_color(7) end - - def on_48(s) set_bg_color_256(s) end - - def on_49(s) set_bg_color(9) end - - def on_90(s) set_fg_color(0, 'l') end - - def on_91(s) set_fg_color(1, 'l') end - - def on_92(s) set_fg_color(2, 'l') end - - def on_93(s) set_fg_color(3, 'l') end - - def on_94(s) set_fg_color(4, 'l') end - - def on_95(s) set_fg_color(5, 'l') end - - def on_96(s) set_fg_color(6, 'l') end - - def on_97(s) set_fg_color(7, 'l') end - - def on_99(s) set_fg_color(9, 'l') end - - def on_100(s) set_bg_color(0, 'l') end - - def on_101(s) set_bg_color(1, 'l') end - - def on_102(s) set_bg_color(2, 'l') end - - def on_103(s) set_bg_color(3, 'l') end - - def on_104(s) set_bg_color(4, 'l') end - - def on_105(s) set_bg_color(5, 'l') end - - def on_106(s) set_bg_color(6, 'l') end - - def on_107(s) set_bg_color(7, 'l') end - - def on_109(s) set_bg_color(9, 'l') end - - attr_accessor :offset, :n_open_tags, :fg_color, :bg_color, :style_mask - - STATE_PARAMS = [:offset, :n_open_tags, :fg_color, :bg_color, :style_mask].freeze - - def convert(stream, new_state) - reset_state - restore_state(new_state, stream) if new_state.present? - - append = false - truncated = false - - cur_offset = stream.tell - if cur_offset > @offset - @offset = cur_offset - truncated = true - else - stream.seek(@offset) - append = @offset > 0 - end - start_offset = @offset - - open_new_tag - - stream.each_line do |line| - s = StringScanner.new(line) - until s.eos? - if s.scan(/\e([@-_])(.*?)([@-~])/) - handle_sequence(s) - elsif s.scan(/\e(([@-_])(.*?)?)?$/) - break - elsif s.scan(/</) - @out << '<' - elsif s.scan(/\r?\n/) - @out << '<br>' - else - @out << s.scan(/./m) - end - @offset += s.matched_size - end - end - - close_open_tags() - - OpenStruct.new( - html: @out.force_encoding(Encoding.default_external), - state: state, - append: append, - truncated: truncated, - offset: start_offset, - size: stream.tell - start_offset, - total: stream.size - ) - end - - def handle_sequence(s) - indicator = s[1] - commands = s[2].split ';' - terminator = s[3] - - # We are only interested in color and text style changes - triggered by - # sequences starting with '\e[' and ending with 'm'. Any other control - # sequence gets stripped (including stuff like "delete last line") - return unless indicator == '[' && terminator == 'm' - - close_open_tags() - - if commands.empty?() - reset() - return - end - - evaluate_command_stack(commands) - - open_new_tag - end - - def evaluate_command_stack(stack) - return unless command = stack.shift() - - if self.respond_to?("on_#{command}", true) - self.__send__("on_#{command}", stack) # rubocop:disable GitlabSecurity/PublicSend - end - - evaluate_command_stack(stack) - end - - def open_new_tag - css_classes = [] - - unless @fg_color.nil? - fg_color = @fg_color - # Most terminals show bold colored text in the light color variant - # Let's mimic that here - if @style_mask & STYLE_SWITCHES[:bold] != 0 - fg_color.sub!(/fg-(\w{2,}+)/, 'fg-l-\1') - end - css_classes << fg_color - end - css_classes << @bg_color unless @bg_color.nil? - - STYLE_SWITCHES.each do |css_class, flag| - css_classes << "term-#{css_class}" if @style_mask & flag != 0 - end - - return if css_classes.empty? - - @out << %{<span class="#{css_classes.join(' ')}">} - @n_open_tags += 1 - end - - def close_open_tags - while @n_open_tags > 0 - @out << %{</span>} - @n_open_tags -= 1 - end - end - - def reset_state - @offset = 0 - @n_open_tags = 0 - @out = '' - reset - end - - def state - state = STATE_PARAMS.inject({}) do |h, param| - h[param] = send(param) # rubocop:disable GitlabSecurity/PublicSend - h - end - Base64.urlsafe_encode64(state.to_json) - end - - def restore_state(new_state, stream) - state = Base64.urlsafe_decode64(new_state) - state = JSON.parse(state, symbolize_names: true) - return if state[:offset].to_i > stream.size - - STATE_PARAMS.each do |param| - send("#{param}=".to_sym, state[param]) # rubocop:disable GitlabSecurity/PublicSend - end - end - - def reset - @fg_color = nil - @bg_color = nil - @style_mask = 0 - end - - def enable(flag) - @style_mask |= flag - end - - def disable(flag) - @style_mask &= ~flag - end - - def set_fg_color(color_index, prefix = nil) - @fg_color = get_term_color_class(color_index, ["fg", prefix]) - end - - def set_bg_color(color_index, prefix = nil) - @bg_color = get_term_color_class(color_index, ["bg", prefix]) - end - - def get_term_color_class(color_index, prefix) - color_name = COLOR[color_index] - return nil if color_name.nil? - - get_color_class(["term", prefix, color_name]) - end - - def set_fg_color_256(command_stack) - css_class = get_xterm_color_class(command_stack, "fg") - @fg_color = css_class unless css_class.nil? - end - - def set_bg_color_256(command_stack) - css_class = get_xterm_color_class(command_stack, "bg") - @bg_color = css_class unless css_class.nil? - end - - def get_xterm_color_class(command_stack, prefix) - # the 38 and 48 commands have to be followed by "5" and the color index - return unless command_stack.length >= 2 - return unless command_stack[0] == "5" - - command_stack.shift() # ignore the "5" command - color_index = command_stack.shift().to_i - - return unless color_index >= 0 - return unless color_index <= 255 - - get_color_class(["xterm", prefix, color_index]) - end - - def get_color_class(segments) - [segments].flatten.compact.join('-') - end - end - end -end |