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authorKarl Berry <karl@freefriends.org>2022-02-18 22:12:39 +0000
committerKarl Berry <karl@freefriends.org>2022-02-18 22:12:39 +0000
commit45c6e09eb8045e03b06158780f9fde21742d4cb3 (patch)
tree3503fb0d0e0a5c6006e13c2e33776210b9cabd9f /Master/texmf-dist/scripts/tex4ebook
parenta276123bbbc409023c9148d82eae1f94c79fdd13 (diff)
tex4ebook (18feb22)
git-svn-id: svn://tug.org/texlive/trunk@62076 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/scripts/tex4ebook')
-rwxr-xr-xMaster/texmf-dist/scripts/tex4ebook/tex4ebook2
-rwxr-xr-xMaster/texmf-dist/scripts/tex4ebook/tex4ebook-exec_epub3.lua58
2 files changed, 37 insertions, 23 deletions
diff --git a/Master/texmf-dist/scripts/tex4ebook/tex4ebook b/Master/texmf-dist/scripts/tex4ebook/tex4ebook
index b170da2ceeb..8f6c8aa3f73 100755
--- a/Master/texmf-dist/scripts/tex4ebook/tex4ebook
+++ b/Master/texmf-dist/scripts/tex4ebook/tex4ebook
@@ -67,7 +67,7 @@ else
end
if args.version then
- print "tex4ebook v0.3g"
+ print "tex4ebook v0.3h"
return
end
diff --git a/Master/texmf-dist/scripts/tex4ebook/tex4ebook-exec_epub3.lua b/Master/texmf-dist/scripts/tex4ebook/tex4ebook-exec_epub3.lua
index fc200bd8661..328acaae375 100755
--- a/Master/texmf-dist/scripts/tex4ebook/tex4ebook-exec_epub3.lua
+++ b/Master/texmf-dist/scripts/tex4ebook/tex4ebook-exec_epub3.lua
@@ -113,6 +113,12 @@ local function add_media_overlays(content)
end
+-- elements that shouldn't be put inside <a> in TOC
+local stop_toc_processing_elements = {
+ ol = true,
+ ul = true
+}
+
local function remove_spurious_TOC_elements(tocdom)
local function count_child_elements(el)
-- count children elements of the current element
@@ -127,36 +133,44 @@ local function remove_spurious_TOC_elements(tocdom)
for _, el in ipairs(tocdom:query_selector("ol")) do
if count_child_elements(el) == 0 then
el:remove_node()
- -- local newli = el:create_element("li")
- -- local newspan = newli:create_element("span")
- -- newli:add_child_node(newspan)
- -- el:add_child_node(newli)
end
end
-- place child elements of the <li> elements to an <a> element, epubcheck reports
-- error for text nodes that are direct child of <li>
for _, el in ipairs(tocdom:query_selector("li")) do
- local text = {}
- local link -- save the <a> element
+
+ local newa = el:create_element("a")
+ local newchildren = {newa}
+ -- we want to stop putting content as child of <a> when it
+ -- finds child TOC entries
+ local keep_processing = true
for i, child in ipairs(el._children) do
- if child:is_text() then
- -- trim spurious spaces
- local childtext = child._text:gsub("^%s*",""):gsub("%s*$","")
- -- save the text for the later use
- table.insert(text, childtext)
- child:remove_node()
- elseif child:is_element() and child:get_element_name() == "a" then
- link = child
- table.insert(text, child:get_text())
+ child_name = child:get_element_name()
+ -- put contents of <li> to a new <a> element
+ if child:is_element() and child_name == "a" then
+ -- set id and href of the new <a> element, if it isn't set already
+ if not newa:get_attribute("href") then
+ local id = child:get_attribute("id")
+ local href = child:get_attribute("href")
+ newa:set_attribute("id", id)
+ newa:set_attribute("href", href)
+ end
+ -- copy <a> contents to the new <a> element
+ for _, x in ipairs(child._children or {}) do newa:add_child_node(x:copy_node()) end
+
+ elseif stop_toc_processing_elements[child_name] then
+ -- don't put child toc entries to the new <a>
+ keep_processing = false
+ newchildren[#newchildren+1] = child
+ elseif keep_processing == true then
+ -- put every node before <ol> or <ul> into the new <a>
+ newa:add_child_node(child:copy_node())
+ else
+ newchildren[#newchildren+1] = child
end
end
- if link then
- local content = table.concat(text, " ")
- -- remove the original text
- link._children = {}
- local text = link:create_text_node(content)
- link:add_child_node(text)
- end
+ -- set contents of <li> to be the new <a>
+ el._children = newchildren
end
return tocdom