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Add append-entry feature #128

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Add append-entry feature #128

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21f68d1
Add append entry feature
oslivan Jun 28, 2022
86a8c56
append initialize
oslivan Jun 28, 2022
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55 changes: 28 additions & 27 deletions lib/docx/document.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ class Document

def initialize(path_or_io, options = {})
@replace = {}
@append = {}

# if path-or_io is string && does not contain a null byte
if (path_or_io.instance_of?(String) && !/\u0000/.match?(path_or_io))
Expand Down Expand Up @@ -124,39 +125,14 @@ def to_html
# save(filepath) => void
def save(path)
update
Zip::OutputStream.open(path) do |out|
zip.each do |entry|
next unless entry.file?

out.put_next_entry(entry.name)

if @replace[entry.name]
out.write(@replace[entry.name])
else
out.write(zip.read(entry.name))
end
end
end
Zip::OutputStream.open(path) { |out| write_to_stream(out) }
zip.close
end

# Output entire document as a StringIO object
def stream
update
stream = Zip::OutputStream.write_buffer do |out|
zip.each do |entry|
next unless entry.file?

out.put_next_entry(entry.name)

if @replace[entry.name]
out.write(@replace[entry.name])
else
out.write(zip.read(entry.name))
end
end
end

stream = Zip::OutputStream.write_buffer { |out| write_to_stream(out) }
stream.rewind
stream
end
Expand All @@ -167,8 +143,33 @@ def replace_entry(entry_path, file_contents)
@replace[entry_path] = file_contents
end

def append_entry(entry_path, file_contents)
@append[entry_path] = file_contents
end

private

def write_to_stream(out)
zip.each do |entry|
next unless entry.file?

out.put_next_entry(entry.name)

if @replace[entry.name]
out.write(@replace[entry.name])
else
out.write(zip.read(entry.name))
end
end

if @append.any?
@append.each do |entry_name, content|
out.put_next_entry(entry_name)
out.write(content)
end
end
end

def load_styles
@styles_xml = @zip.read('word/styles.xml')
@styles = Nokogiri::XML(@styles_xml)
Expand Down