Module: Custom
- Defined in:
- lib/xhtml_report_generator/custom.rb
Overview
because it will be ‘eval’ed by the initialize method of the XhtmlReportGenerator::Generator class.
Instance Method Summary collapse
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#code(attrs = {}, &block) ⇒ REXML::Element
Appends a <pre> node after the @current node.
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#content(attrs = {}, &block) ⇒ REXML::Element
Appends a <p> node after the @current node.
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#create_layout(title, layout = 3) ⇒ Object
creates the basic page layout and sets the current Element to the main content area (middle div).
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#custom_table(table_data, opts = {}) ⇒ REXML::Element
creates a html table from two dimensional array of the form Array [row] [col].
- #element_to_string(elem) ⇒ String
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#get_code_html(attrs = {}, &block) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string.
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#get_content_html(attrs = {}, &block) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string.
-
#get_current ⇒ REXML::Element
returns the current xml element.
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#get_element_text(el = @current, recursive = true) ⇒ String
returns the plain text without any xml tags of the specified element and all its children.
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#get_image_html(path, attributes = {}) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string.
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#get_link_html(href, attrs = {}, &block) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string.
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#get_title ⇒ String
returns the title text of the report.
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#heading(tag_type = "h1", attrs = {}, &block) ⇒ REXML::Element
Appends a new heading element to body, and sets current to this new heading.
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#heading_top(tag_type = "h1", attrs = {}, &block) ⇒ REXML::Element
Inserts a new heading element at the very beginning of the middle div section, and points @current to this heading.
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#highlight(regex, color = "y", el = @current) ⇒ Fixnum
Scans all REXML::Text children of an REXML::Element for any occurrences of regex.
-
#highlight_captures(regex, color = "y", el = @current) ⇒ Fixnum
Scans all REXML::Text children of an REXML::Element for any occurrences of regex.
-
#html(text) ⇒ REXML::Element
insert arbitrary xml code after the @current element in the content pane (div middle).
- #image(path, attributes = {}) ⇒ Object
-
#link(href, attrs = {}, &block) ⇒ REXML::Element
Appends a <a href = > node after the @current nodes.
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#replace_text_with_elements(parent, element, tagname, attribs, index_length_array) ⇒ Object
Helper Method for the highlight methods.
-
#set_current!(xpath) ⇒ Object
set the current element to the element or first element matched by the xpath expression.
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#set_title(title) ⇒ Object
sets the title of the document in the <head> section as well as in the layout header div create_layout must be called before!.
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#table(table_data, headers = 0, table_attrs = {}, tr_attrs = {}, th_attrs = {}, td_attrs = {}) ⇒ REXML::Element
creates a html table from two dimensional array of the form Array [row] [col].
Instance Method Details
#code(attrs = {}, &block) ⇒ REXML::Element
Appends a <pre> node after the @current node
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# File 'lib/xhtml_report_generator/custom.rb', line 130 def code(attrs={}, &block) temp = REXML::Element.new("pre") temp.add_attributes(attrs) @div_middle.insert_after(@current, temp) @current = temp raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) @current.add_text(text) return @current end |
#content(attrs = {}, &block) ⇒ REXML::Element
Appends a <p> node after the @current node
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# File 'lib/xhtml_report_generator/custom.rb', line 158 def content(attrs={}, &block) temp = REXML::Element.new("p") temp.add_attributes(attrs) @div_middle.insert_after(@current, temp) @current = temp raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) @current.add_text(text) return @current end |
#create_layout(title, layout = 3) ⇒ Object
creates the basic page layout and sets the current Element to the main content area (middle div)
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# File 'lib/xhtml_report_generator/custom.rb', line 13 def create_layout(title, layout=3) raise "invalid layout selector, choose from 0..3" if (layout < 0) || (layout > 3) @body = @document.elements["//body"] # only add the layout if it is not already there if !@layout head = @body.add_element("div", {"class" => "head", "id" => "head"}) head.add_element("button", {"id" => "pre_toggle_linewrap"}).add_text("Toggle Linewrap") if (layout & 0x1) != 0 div = @body.add_element("div", {"class" => "lefttoc split split-horizontal", "id" => "ltoc"}) div.add_text("Table of Contents") div.add_element("br") end @div_middle = @body.add_element("div", {"class" => "middle split split-horizontal", "id" => "middle"}) if (layout & 0x2) != 0 div = @body.add_element("div", {"class" => "righttoc split split-horizontal", "id" => "rtoc"}) div.add_text("Quick Links") div.add_element("br");div.add_element("br") end @body.add_element("p", {"class" => "#{layout}", "id" => "layout"}).add_text("this text should be hidden") @layout = true end @current = @document.elements["//body/div[@id='middle']"] set_title(title) end |
#custom_table(table_data, opts = {}) ⇒ REXML::Element
creates a html table from two dimensional array of the form Array [row] [col]
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# File 'lib/xhtml_report_generator/custom.rb', line 392 def custom_table(table_data, opts = {}) defaults = { headers: 0, data_is_xhtml: false, table_attrs: {}, th_attrs: {}, tr_attrs: {}, td_attrs: {}, special: [], } o = defaults.merge(opts) temp = REXML::Element.new("table") temp.add_attributes(o[:table_attrs]) row_titles = table_data.collect{|row| row[0].to_s} col_titles = table_data[0].collect{|title| title.to_s} for i in 0..table_data.length-1 do # row row = temp.add_element("tr", o[:tr_attrs]) for j in 0..table_data[i].length-1 do # column if (i == 0 && (0x1 & o[:headers])==0x1) col = row.add_element("th", o[:th_attrs]) elsif (j == 0 && (0x2 & o[:headers])==0x2) col = row.add_element("th", o[:th_attrs]) elsif ((i == 0 || j ==0) && (0x3 & o[:headers])==0x3) col = row.add_element("th", o[:th_attrs]) else _td_attrs = o[:td_attrs].clone o[:special].each do |h| # check if the current cell is a candidate for special if !h[:col_index].nil? if h[:col_index].is_a?(Range) next if (!h[:col_index].include?(j)) # skip if not in range elsif h[:col_index].is_a?(Integer) next if (h[:col_index] != j) # skip if not at index end elsif !h[:col_title].nil? next if !col_titles[j].match(h[:col_title]) end # check if the current cell is a candidate for special if !h[:row_index].nil? if h[:row_index].is_a?(Range) next if (!h[:row_index].include?(i)) # skip if not in range elsif h[:row_index].is_a?(Integer) next if (h[:row_index] != i) # skip if not at index end elsif !h[:row_title].nil? next if !row_titles[i].match(h[:row_title]) end # here we are a candidate for special, so we check if we meet the condition if h[:condition].call(table_data[i][j]) h[:attributes].each { |attr, val| if !_td_attrs[attr].nil? # assume the existing attribute is a string (other types don't make much sense for html) _td_attrs[attr] << val else # create the attribute if it is not already there _td_attrs[attr] = val end } end end col = row.add_element("td", _td_attrs) end if o[:data_is_xhtml] # we need to create a new document with a pseudo root because having multiple nodes at top # level is not valid xml doc = REXML::Document.new("<root>" + table_data[i][j].to_s + "</root>") # then we move all children of root to the actual div middle element and insert after current for elem in doc.root.to_a do col.add_element(elem) # add the td element end else col.add_text(table_data[i][j].to_s) end end end @div_middle.insert_after(@current, temp) @current = temp return @current end |
#element_to_string(elem) ⇒ String
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# File 'lib/xhtml_report_generator/custom.rb', line 103 def element_to_string(elem) f = REXML::Formatters::Transitive.new(0) # use Transitive to preserve source formatting (e.g. <pre> tags) out = "" f.write(elem, out) return out end |
#get_code_html(attrs = {}, &block) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string. This can be used to insert code into #custom_table (with the option data_is_xhtml: true)
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# File 'lib/xhtml_report_generator/custom.rb', line 114 def get_code_html(attrs={}, &block) temp = REXML::Element.new("pre") temp.add_attributes(attrs) raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) temp.add_text(text) element_to_string(temp) end |
#get_content_html(attrs = {}, &block) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string. This can be used to insert code into #custom_table (with the option data_is_xhtml: true)
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# File 'lib/xhtml_report_generator/custom.rb', line 145 def get_content_html(attrs={}, &block) temp = REXML::Element.new("p") temp.add_attributes(attrs) raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) temp.add_text(text) element_to_string(temp) end |
#get_current ⇒ REXML::Element
returns the current xml element
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# File 'lib/xhtml_report_generator/custom.rb', line 79 def get_current() return @current end |
#get_element_text(el = @current, recursive = true) ⇒ String
returns the plain text without any xml tags of the specified element and all its children
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# File 'lib/xhtml_report_generator/custom.rb', line 87 def get_element_text(el = @current, recursive = true) out = "" el.to_a.each { |child| if child.is_a?(REXML::Text) out << child.value() else if recursive out << get_element_text(child, true) end end } return out end |
#get_image_html(path, attributes = {}) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string. This can be used to insert code into #custom_table (with the option data_is_xhtml: true)
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# File 'lib/xhtml_report_generator/custom.rb', line 219 def get_image_html(path, attributes = {}) # read image as binary and do a base64 encoding binary_data = Base64.strict_encode64(IO.binread(path)) type = File.extname(path).gsub('.', '') # create the element temp = REXML::Element.new("img") # add the picture temp.add_attribute("src","data:image/#{type};base64,#{binary_data}") temp.add_attributes(attributes) element_to_string(temp) end |
#get_link_html(href, attrs = {}, &block) ⇒ String
Instead of adding content to the report, this method returns the produced html code as a string. This can be used to insert code into #custom_table (with the option data_is_xhtml: true)
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# File 'lib/xhtml_report_generator/custom.rb', line 188 def get_link_html(href, attrs={}, &block) temp = REXML::Element.new("a") attrs.merge!({"href" => href}) temp.add_attributes(attrs) raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) temp.add_text(text) element_to_string(temp) end |
#get_title ⇒ String
returns the title text of the report
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# File 'lib/xhtml_report_generator/custom.rb', line 59 def get_title() pagetitle = @document.elements["//head/title"] return pagetitle.text end |
#heading(tag_type = "h1", attrs = {}, &block) ⇒ REXML::Element
Appends a new heading element to body, and sets current to this new heading
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# File 'lib/xhtml_report_generator/custom.rb', line 486 def heading(tag_type="h1", attrs={}, &block) temp = REXML::Element.new(tag_type) temp.add_attributes(attrs) @div_middle.insert_after(@current, temp) @current = temp raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) @current.text = text return @current end |
#heading_top(tag_type = "h1", attrs = {}, &block) ⇒ REXML::Element
Inserts a new heading element at the very beginning of the middle div section, and points @current to this heading
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# File 'lib/xhtml_report_generator/custom.rb', line 505 def heading_top(tag_type="h1", attrs={}, &block) temp = REXML::Element.new(tag_type) temp.add_attributes(attrs) # check if there are any child elements if @div_middle.has_elements?() # insert before the first child of div middle @div_middle.insert_before("//div[@id='middle']/*[1]", temp) else # middle is empty, just insert the heading @div_middle.insert_after(@current, temp) end @current = temp raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) @current.text = text return @current end |
#highlight(regex, color = "y", el = @current) ⇒ Fixnum
Scans all REXML::Text children of an REXML::Element for any occurrences of regex. The text will be matched as one, not line by line as you might think. If you want to write a regexp matching multiple lines keep in mind that the dot “.” by default doesn’t match newline characters. Consider using the “m” option (e.g. /regex/m ) which makes dot match newlines or match newlines explicitly. highlight then puts a <span> </span> tag around all matches of regex
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# File 'lib/xhtml_report_generator/custom.rb', line 312 def highlight(regex, color="y", el = @current) # get all children of the current node arr = el.to_a() num_matches = 0 #puts arr.inspect # first we have to detach all children from parent, otherwise we can cause ordering issues arr.each {|i| i.remove() } # depth first recursion into grand-children for i in arr do #puts i.class.to_s() if i.is_a?(REXML::Text) # in general a text looks as follows: # .*(matchstring|.*)* # We get an array of [[start,length], [start,length], ...] for all our regex matches positions = i.value().enum_for(:scan, regex).map { [Regexp.last_match.begin(0), Regexp.last_match.end(0)-Regexp.last_match.begin(0)] } num_matches += positions.length if ["y","r","g","b"].include?(color) attr = {"class" => color} elsif color.match(/^#[A-Fa-f0-9]{6}$/) attr = {"style" => "background: #{color};"} else raise "invalid color: #{color}" end replace_text_with_elements(el, i, "span", attr, positions) else # for non-text nodes we recurse into it and finally reattach to our parent to preserve ordering # puts "recurse" num_matches += highlight(regex, color, i) el.add(i) end # if i.is_a?(REXML::Text) end # for i in arr do return num_matches end |
#highlight_captures(regex, color = "y", el = @current) ⇒ Fixnum
Scans all REXML::Text children of an REXML::Element for any occurrences of regex. The text will be matched as one, not line by line as you might think. If you want to write a regexp matching multiple lines keep in mind that the dot “.” by default doesn’t match newline characters. Consider using the “m” option (e.g. /regex/m ) which makes dot match newlines or match newlines explicitly. highlight_captures then puts a <span> </span> tag around all captures of the regex NOTE: nested captures are not supported and don’t make sense in this context!!
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# File 'lib/xhtml_report_generator/custom.rb', line 261 def highlight_captures(regex, color="y", el = @current) # get all children of the current node arr = el.to_a() num_matches = 0 # first we have to detach all children from parent, otherwise we can cause ordering issues arr.each {|i| i.remove() } # depth first recursion into grand-children for i in arr do if i.is_a?(REXML::Text) # in general a text looks as follows: # .*(matchstring|.*)* # We get an array of [[start,length], [start,length], ...] for all our regex SUB-matches positions = i.value().enum_for(:scan, regex).flat_map { # Regexp.last_match is a MatchData object, the index 0 is the entire match, 1 to n are captures array = Array.new for k in 1..Regexp.last_match.length - 1 do array.push([Regexp.last_match.begin(k), Regexp.last_match.end(k)-Regexp.last_match.begin(k)]) end # return the array for the flat_map array } num_matches += positions.length if ["y","r","g","b"].include?(color) attr = {"class" => color} elsif color.match(/^#[A-Fa-f0-9]{6}$/) attr = {"style" => "background: #{color};"} else raise "invalid color: #{color}" end replace_text_with_elements(el, i, "span", attr, positions) else # for non-text nodes we recurse into it and finally reattach to our parent to preserve ordering num_matches += highlight_captures(regex, color, i) el.add(i) end # if i.is_a?(REXML::Text) end # for i in arr do return num_matches end |
#html(text) ⇒ REXML::Element
insert arbitrary xml code after the @current element in the content pane (div middle)
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# File 'lib/xhtml_report_generator/custom.rb', line 172 def html(text) # we need to create a new document with a pseudo root becaus having multiple nodes at top # level is not valid xml doc = REXML::Document.new("<root>"+text+"</root>") # then we move all children of root to the actual div middle element and insert after current for i in doc.root.to_a do @div_middle.insert_after(@current, i) @current = i end return @current end |
#image(path, attributes = {}) ⇒ Object
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# File 'lib/xhtml_report_generator/custom.rb', line 235 def image(path, attributes = {}) # read image as binary and do a base64 encoding binary_data = Base64.strict_encode64(IO.binread(path)) type = File.extname(path).gsub('.', '') # create the element temp = REXML::Element.new("img") # add the picture temp.add_attribute("src","data:image/#{type};base64,#{binary_data}") temp.add_attributes(attributes) @div_middle.insert_after(@current, temp) @current = temp return @current end |
#link(href, attrs = {}, &block) ⇒ REXML::Element
Appends a <a href = > node after the @current nodes
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# File 'lib/xhtml_report_generator/custom.rb', line 203 def link(href, attrs={}, &block) temp = REXML::Element.new("a") attrs.merge!({"href" => href}) temp.add_attributes(attrs) @div_middle.insert_after(@current, temp) @current = temp raise "Block argument is mandatory" unless block_given? text = encoding_fixer(block.call()) @current.add_text(text) return @current end |
#replace_text_with_elements(parent, element, tagname, attribs, index_length_array) ⇒ Object
Helper Method for the highlight methods. it will introduce specific xhtml tags around parts of a text child of an xml element.
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# File 'lib/xhtml_report_generator/custom.rb', line 544 def replace_text_with_elements(parent, element, tagname, attribs, index_length_array) last_end = 0 index = 0 #puts index_length_array.inspect #puts element.inspect for j in index_length_array do # reattach normal (unmatched) text if j[0] > last_end # text = REXML::Text.new(element.value()[ last_end, j[0] - last_end ]) # parent.add_text(text) # add text without creating a textnode, textnode screws up formatting (e.g. all whitespace are condensed into one) parent.add_text( element.value()[ last_end, j[0] - last_end ] ) end #create the tag node with attributes and add the text to it tag = parent.add_element(REXML::Element.new(tagname), attribs) tag.add_text(element.value()[ j[0], j[1] ]) last_end = j[0]+j[1] # in the last round check for any remaining text if index == index_length_array.length - 1 if last_end < element.value().length # text = REXML::Text.new(element.value()[ last_end, element.value().length - last_end ]) # parent.add(text) # add text without creating a textnode, textnode screws up formatting (e.g. all whitespace are condensed into one) parent.add_text( element.value()[ last_end, element.value().length - last_end ] ) end end index += 1 end # for j in positions do # don't forget to reattach the textnode if there are no regex matches at all if index == 0 parent.add(element) end end |
#set_current!(xpath) ⇒ Object
set the current element to the element or first element matched by the xpath expression. The current element is the one which can be modified through highlighting.
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# File 'lib/xhtml_report_generator/custom.rb', line 67 def set_current!(xpath) if xpath.is_a?(REXML::Element) @current = xpath elsif xpath.is_a?(String) @current = @document.elements[xpath] else raise "xpath is neither a String nor a REXML::Element" end end |
#set_title(title) ⇒ Object
sets the title of the document in the <head> section as well as in the layout header div
create_layout must be called before!
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# File 'lib/xhtml_report_generator/custom.rb', line 47 def set_title(title) if !@layout raise "call create_layout first" end pagetitle = @document.elements["//head/title"] pagetitle.text = title div = @document.elements["//body/div[@id='head']"] div.text = title end |
#table(table_data, headers = 0, table_attrs = {}, tr_attrs = {}, th_attrs = {}, td_attrs = {}) ⇒ REXML::Element
creates a html table from two dimensional array of the form Array [row] [col]
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# File 'lib/xhtml_report_generator/custom.rb', line 356 def table(table_data, headers=0, table_attrs={}, tr_attrs={}, th_attrs={}, td_attrs={}) opts = { headers: headers, data_is_xhtml: false, table_attrs: table_attrs, th_attrs: th_attrs, tr_attrs: tr_attrs, td_attrs: td_attrs, } custom_table(table_data, opts) end |