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epub: generate an invalid file that does display in some applications

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FossilOrigin-Name: 219519112bb5e0490fd019c0cd0bc6fadf31970111796d2c6d6b55efe1e1a554
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crc 2020-09-24 19:48:48 +00:00
parent 5f67310f80
commit 5340a97c9f
1 changed files with 41 additions and 21 deletions
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62
generate-epub.retro
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@ -26,6 +26,8 @@ Begin by defining some helper functions for writing to a
file.
~~~
'tools/book-chapters.retro include
'FID var
:file:s:put [ @FID file:write ] s:for-each ;
:file:nl ASCII:CR @FID file:write ;
@ -69,31 +71,40 @@ Then create `META-INF/container.xml`.
Create `content.opf`. This will need to lest all of the files
that are used in the book.
Todo:
Manifest:
- verify the required fields and metadata
- write this to a file
'____<item_href="chap01.xhtml"_id="chap01_page"_media-type="application/xhtml+xml"/> file:s:put file:nl
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="BookID" version="2.0">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf">
<dc:title>RETRO Forth : User Manual</dc:title>
<dc:identifier id="BookID" opf:scheme="CustomID">...bookid...</dc:identifier>
</metadata>
Spine:
<manifest>
<item href="chap01.xhtml" id="chap01_page" media-type="application/xhtml+xml"/>
</manifest>
'____<itemref_idref="chap01_page"_linear="yes"/> file:s:put file:nl
<spine toc="ncx">
<itemref idref="chap01_page" linear="yes"/>
</spine>
~~~
'STEP:_Generate_`content.opf` s:put nl
'epub/content.opf file:open-for-writing !FID
<guide>
</guide>
'<?xml_version="1.0"_encoding="utf-8"_standalone="yes"?> file:s:put file:nl
'<package_xmlns="http://www.idpf.org/2007/opf"_unique-identifier="BookID"_version="2.0"> file:s:put file:nl
'__<metadata_xmlns:dc="http://purl.org/dc/elements/1.1/"_xmlns:opf="http://www.idpf.org/2007/opf"> file:s:put file:nl
'____<dc:title>RETRO_Forth_:_User_Manual</dc:title> file:s:put file:nl
'____<dc:identifier_id="BookID"_opf:scheme="CustomID">...bookid...</dc:identifier> file:s:put file:nl
'__</metadata> file:s:put file:nl
</package>
'__<manifest> file:s:put file:nl
#0 TOC [ over swap '____<item_href="chapters/%s.html"_id="CHAPTEr%n"_media-type="application/xhtml+xml"/> s:format file:s:put file:nl n:inc ] a:for-each
drop
'__</manifest> file:s:put file:nl
'__<spine_toc="ncx"> file:s:put file:nl
(spine)
'__</spine> file:s:put file:nl
'__<guide> file:s:put file:nl
'__</guide> file:s:put file:nl
'</package> file:s:put file:nl
@FID file:close
~~~
# Generate the Chapters
@ -102,16 +113,25 @@ Todo:
'retro_tools/book-chapters-to-xhtml.retro unix:system
~~~
Assemble the pieces
# Assemble the pieces
~~~
'STEP:_Relocate_files s:put nl
'epub unix:chdir
'cp_-r_../chapters_. unix:system
~~~
# Zip Everything
~~~
'STEP:_Create_epub s:put nl
'zip_-0Xq_../book.epub_mimetype unix:system
'zip_-Xr9Dq_../book.epub_content.opf unix:system
'zip_-Xr9Dq_../book.epub_chapters unix:system
'.. unix:chdir
~~~
zip -0Xq /tmp/book.epub mimetype
zip -Xr9Dq /tmp/book.epub *
# Clean Up
Cleanup is the final step. Remove the temporary epub directory