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Add error handling on `read_page` (fixes #281)

This commit is contained in:
Alex Ling 2022-03-12 14:18:08 +00:00
parent 6ab885499c
commit 8814778c22
1 changed files with 10 additions and 6 deletions
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16
src/library/entry.cr
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@ -144,13 +144,17 @@ class Entry
def read_page(page_num) def read_page(page_num)
raise "Unreadble archive. #{@err_msg}" if @err_msg raise "Unreadble archive. #{@err_msg}" if @err_msg
img = nil img = nil
sorted_archive_entries do |file, entries| begin
page = entries[page_num - 1] sorted_archive_entries do |file, entries|
data = file.read_entry page page = entries[page_num - 1]
if data data = file.read_entry page
img = Image.new data, MIME.from_filename(page.filename), page.filename, if data
data.size img = Image.new data, MIME.from_filename(page.filename),
page.filename, data.size
end
end end
rescue e
Logger.warn "Unable to read page #{page_num} of #{@zip_path}. Error: #{e}"
end end
img img
end end