Class: Card::Content
- Defined in:
- lib/card/content.rb
Constant Summary collapse
- ALLOWED_TAGS =
{}
- ATTR_VALUE_RE =
[/(?<=^')[^']+(?=')/, /(?<=^")[^"]+(?=")/, /\S+/]
Instance Attribute Summary collapse
-
#chunks ⇒ Object
readonly
Returns the value of attribute chunks.
-
#format ⇒ Object
readonly
Returns the value of attribute format.
-
#opts ⇒ Object
readonly
Returns the value of attribute opts.
-
#revision ⇒ Object
readonly
Returns the value of attribute revision.
Class Method Summary collapse
-
.clean!(string, tags = ALLOWED_TAGS) ⇒ Object
this has been hacked for card to allow classes if the class begins with “w-”.
- .truncatewords_with_closing_tags(input, words = 25, truncate_string = '...') ⇒ Object
Instance Method Summary collapse
- #card ⇒ Object
- #chunk_list ⇒ Object
- #clean_with_space_last!(string, tags = ALLOWED_TAGS) ⇒ Object
- #each_chunk ⇒ Object
- #find_chunks(chunk_type) ⇒ Object
-
#initialize(content, format_or_card, opts = {}) ⇒ Content
constructor
A new instance of Content.
- #inspect ⇒ Object
- #parse_content(content) ⇒ Object
- #process_each_chunk(&block) ⇒ Object
- #to_s ⇒ Object
Constructor Details
#initialize(content, format_or_card, opts = {}) ⇒ Content
Returns a new instance of Content.
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# File 'lib/card/content.rb', line 10 def initialize content, format_or_card, opts={} @format = if format_or_card.is_a?(Card) Format.new format_or_card, format: nil else format_or_card end @opts = opts || {} unless Array === content content = parse_content content end super content end |
Instance Attribute Details
#chunks ⇒ Object (readonly)
Returns the value of attribute chunks.
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# File 'lib/card/content.rb', line 8 def chunks @chunks end |
#format ⇒ Object (readonly)
Returns the value of attribute format.
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# File 'lib/card/content.rb', line 8 def format @format end |
#opts ⇒ Object (readonly)
Returns the value of attribute opts.
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# File 'lib/card/content.rb', line 8 def opts @opts end |
#revision ⇒ Object (readonly)
Returns the value of attribute revision.
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# File 'lib/card/content.rb', line 8 def revision @revision end |
Class Method Details
.clean!(string, tags = ALLOWED_TAGS) ⇒ Object
this has been hacked for card to allow classes if the class begins with “w-”
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# File 'lib/card/content.rb', line 170 def clean!(string, =ALLOWED_TAGS) string.gsub(/<(\/*)(\w+)([^>]*)>/) do raw = $~ tag = raw[2].downcase if (attrs = [tag]) html_attribs = attrs.inject([tag]) do |pcs, attr| q = '"' rest_value = nil if raw[3] =~ /\b#{attr}\s*=\s*(?=(.))/i rest_value = $' (idx = %w{' "}.index($1)) && (q = $1) re = ATTR_VALUE_RE[idx || 2] if (match = rest_value.match(re)) rest_value = match[0] if attr == 'class' rest_value = rest_value.split(/\s+/).select do |s| s =~ /^w-/i end * ' ' end end end pcs << "#{attr}=#{q}#{rest_value}#{q}" unless rest_value.blank? pcs end * ' ' "<#{raw[1]}#{html_attribs}>" else ' ' end end.gsub(/<\!--.*?-->/, '') end |
.truncatewords_with_closing_tags(input, words = 25, truncate_string = '...') ⇒ Object
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# File 'lib/card/content.rb', line 211 def input, words=25, truncate_string='...' if input.nil? then return end wordlist = input.to_s.split l = words.to_i - 1 l = 0 if l < 0 wordstring = wordlist.length > l ? wordlist[0..l].join(' ') : input.to_s # nuke partial tags at end of snippet wordstring.gsub!(/(<[^\>]+)$/, '') = [] # match tags with or without self closing (ie. <foo />) wordstring.scan(/\<([^\>\s\/]+)[^\>]*?\>/).each do |t| .unshift(t[0]) end # match tags with self closing and mark them as closed wordstring.scan(/\<([^\>\s\/]+)[^\>]*?\/\>/).each do |t| if !(x = .index(t[0])).nil? then .slice!(x) end end # match close tags wordstring.scan(/\<\/([^\>\s\/]+)[^\>]*?\>/).each do |t| if !(x = .rindex(t[0])).nil? then .slice!(x) end end .each { |t| wordstring += "</#{t}>" } if wordlist.length > l wordstring += '<span class="closed-content-ellipses">...</span>' end # wordstring += '...' if wordlist.length > l wordstring.gsub! /<[\/]?br[\s\/]*>/, ' ' # Also a hack -- get rid of <br>'s -- they make line view ugly. wordstring.gsub! /<[\/]?p[^>]*>/, ' ' ## Also a hack -- get rid of <br>'s -- they make line view ugly. wordstring end |
Instance Method Details
#card ⇒ Object
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# File 'lib/card/content.rb', line 25 def card format.card end |
#chunk_list ⇒ Object
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# File 'lib/card/content.rb', line 29 def chunk_list @opts[:chunk_list] || @format.chunk_list end |
#clean_with_space_last!(string, tags = ALLOWED_TAGS) ⇒ Object
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# File 'lib/card/content.rb', line 204 def clean_with_space_last! string, =ALLOWED_TAGS cwo = clean_without_space_last!(string, ) cwo.gsub(/(?:^|\b) ((?: )+)/, '\1 ') end |
#each_chunk ⇒ Object
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# File 'lib/card/content.rb', line 46 def each_chunk return enum_for(:each_chunk) unless block_given? case __getobj__ when Hash then each_value { |v| yield v if v.is_a?(Chunk::Abstract) } when Array then each { |e| yield e if e.is_a?(Chunk::Abstract) } when String # noop. strings are parsed in self, so no chunks in a String else Rails.logger.warn 'error self is unrecognized type' \ " #{self.class} #{__getobj__.class}" end end |
#find_chunks(chunk_type) ⇒ Object
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# File 'lib/card/content.rb', line 58 def find_chunks chunk_type each_chunk.select { |chunk| chunk.is_a?(chunk_type) } end |
#inspect ⇒ Object
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# File 'lib/card/content.rb', line 42 def inspect "<#{__getobj__.class}:#{card}:#{self}>" end |
#parse_content(content) ⇒ Object
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# File 'lib/card/content.rb', line 67 def parse_content content @chunks = [] if content.is_a? String position = last_position = 0 prefix_regexp = Chunk.get_prefix_regexp chunk_list interval_string = '' while (prefix_match = content[position..-1].match(prefix_regexp)) prefix = prefix_match[0] # prefix of matched chunk chunk_start = prefix_match.begin(0) + position # content index of beginning of chunk if prefix_match.begin(0) > 0 # if matched chunk is not beginning of test string interval_string += content[position..chunk_start - 1] # hold onto the non-chunk part of the string end chunk_class = Chunk.find_class_by_prefix prefix # get the chunk class from the prefix match, offset = chunk_class.full_match content[chunk_start..-1], prefix # see whether the full chunk actually matches # (as opposed to bogus prefix) context_ok = chunk_class.context_ok? content, chunk_start # make sure there aren't contextual reasons for ignoring this chunk position = chunk_start # move scanning position up to beginning of chunk if match # we have a chunk match position += (match.end(0) - offset.to_i) # move scanning position up to end of chunk if context_ok @chunks << interval_string if interval_string.size > 0 # add the nonchunk string to the chunk list @chunks << chunk_class.new(match, self) # add the chunk to the chunk list interval_string = '' # reset interval string for next go-round last_position = position # note that the end of the chunk was the last place where a # chunk was found (so far) end else position += 1 # no match. look at the next character end if !match || !context_ok interval_string += content[chunk_start..position - 1] # moving beyond the alleged chunk. # append failed string to "nonchunk" string end end end if chunks.any? if last_position < content.size remainder = content[last_position..-1] # handle any leftover nonchunk string at the end of content @chunks << remainder end chunks else content end end |
#process_each_chunk(&block) ⇒ Object
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# File 'lib/card/content.rb', line 62 def process_each_chunk &block each_chunk { |chunk| chunk.process_chunk &block } self end |
#to_s ⇒ Object
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# File 'lib/card/content.rb', line 33 def to_s case __getobj__ when Array then map(&:to_s) * '' when String then __getobj__ when NilClass then '' # raise "Nil Card::Content" else __getobj__.to_s end end |