|
|
|
@ -15,6 +15,7 @@ local util = require("util")
|
|
|
|
|
local DocSettings = LuaSettings:extend{}
|
|
|
|
|
|
|
|
|
|
local HISTORY_DIR = DataStorage:getHistoryDir()
|
|
|
|
|
local DOCSETTINGS_DIR = DataStorage:getDocSettingsDir()
|
|
|
|
|
|
|
|
|
|
local function buildCandidates(list)
|
|
|
|
|
local candidates = {}
|
|
|
|
@ -64,120 +65,125 @@ local function buildCandidates(list)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Returns path to sidecar directory (`filename.sdr`).
|
|
|
|
|
--
|
|
|
|
|
-- Sidecar directory is the file without _last_ suffix.
|
|
|
|
|
-- @string doc_path path to the document (e.g., `/foo/bar.pdf`)
|
|
|
|
|
-- @treturn string path to the sidecar directory (e.g., `/foo/bar.sdr`)
|
|
|
|
|
function DocSettings:getSidecarDir(doc_path)
|
|
|
|
|
if doc_path == nil or doc_path == '' then return '' end
|
|
|
|
|
local file_without_suffix = doc_path:match("(.*)%.")
|
|
|
|
|
if file_without_suffix then
|
|
|
|
|
return file_without_suffix..".sdr"
|
|
|
|
|
end
|
|
|
|
|
return doc_path..".sdr"
|
|
|
|
|
function DocSettings:getSidecarDir(doc_path, force_location)
|
|
|
|
|
if doc_path == nil or doc_path == "" then return "" end
|
|
|
|
|
local path = doc_path:match("(.*)%.") or doc_path -- file path without the last suffix
|
|
|
|
|
local location = force_location or G_reader_settings:readSetting("document_metadata_folder", "doc")
|
|
|
|
|
if location == "dir" then
|
|
|
|
|
path = DOCSETTINGS_DIR..path
|
|
|
|
|
end
|
|
|
|
|
return path..".sdr"
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Returns path to `metadata.lua` file.
|
|
|
|
|
-- @string doc_path path to the document (e.g., `/foo/bar.pdf`)
|
|
|
|
|
-- @treturn string path to `/foo/bar.sdr/metadata.lua` file
|
|
|
|
|
function DocSettings:getSidecarFile(doc_path)
|
|
|
|
|
if doc_path == nil or doc_path == '' then return '' end
|
|
|
|
|
function DocSettings:getSidecarFile(doc_path, force_location)
|
|
|
|
|
if doc_path == nil or doc_path == "" then return "" end
|
|
|
|
|
-- If the file does not have a suffix or we are working on a directory, we
|
|
|
|
|
-- should ignore the suffix part in metadata file path.
|
|
|
|
|
local suffix = doc_path:match(".*%.(.+)")
|
|
|
|
|
if suffix == nil then
|
|
|
|
|
suffix = ''
|
|
|
|
|
end
|
|
|
|
|
return self:getSidecarDir(doc_path) .. "/metadata." .. suffix .. ".lua"
|
|
|
|
|
local suffix = doc_path:match(".*%.(.+)") or ""
|
|
|
|
|
return self:getSidecarDir(doc_path, force_location) .. "/metadata." .. suffix .. ".lua"
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Returns `true` if there is a `metadata.lua` file.
|
|
|
|
|
-- @string doc_path path to the document (e.g., `/foo/bar.pdf`)
|
|
|
|
|
-- @treturn bool
|
|
|
|
|
function DocSettings:hasSidecarFile(doc_path)
|
|
|
|
|
return lfs.attributes(self:getSidecarFile(doc_path), "mode") == "file"
|
|
|
|
|
return lfs.attributes(self:getSidecarFile(doc_path, "doc"), "mode") == "file"
|
|
|
|
|
or lfs.attributes(self:getSidecarFile(doc_path, "dir"), "mode") == "file"
|
|
|
|
|
or lfs.attributes(self:getHistoryPath(doc_path), "mode") == "file"
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:getHistoryPath(fullpath)
|
|
|
|
|
return HISTORY_DIR .. "/[" .. fullpath:gsub("(.*/)([^/]+)", "%1] %2"):gsub("/", "#") .. ".lua"
|
|
|
|
|
function DocSettings:getLastSaveTime(doc_path) -- for readhistory
|
|
|
|
|
return lfs.attributes(self:getSidecarFile(doc_path, "doc"), "modification")
|
|
|
|
|
or lfs.attributes(self:getSidecarFile(doc_path, "dir"), "modification")
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:getHistoryPath(doc_path)
|
|
|
|
|
if doc_path == nil or doc_path == "" then return "" end
|
|
|
|
|
return HISTORY_DIR .. "/[" .. doc_path:gsub("(.*/)([^/]+)", "%1] %2"):gsub("/", "#") .. ".lua"
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:getPathFromHistory(hist_name)
|
|
|
|
|
if hist_name == nil or hist_name == '' then return '' end
|
|
|
|
|
if hist_name:sub(-4) ~= ".lua" then return '' end -- ignore .lua.old backups
|
|
|
|
|
if hist_name == nil or hist_name == "" then return "" end
|
|
|
|
|
if hist_name:sub(-4) ~= ".lua" then return "" end -- ignore .lua.old backups
|
|
|
|
|
-- 1. select everything included in brackets
|
|
|
|
|
local s = string.match(hist_name,"%b[]")
|
|
|
|
|
if s == nil or s == '' then return '' end
|
|
|
|
|
if s == nil or s == "" then return "" end
|
|
|
|
|
-- 2. crop the bracket-sign from both sides
|
|
|
|
|
-- 3. and finally replace decorative signs '#' to dir-char '/'
|
|
|
|
|
return string.gsub(string.sub(s, 2, -3), "#", "/")
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:getNameFromHistory(hist_name)
|
|
|
|
|
if hist_name == nil or hist_name == '' then return '' end
|
|
|
|
|
if hist_name:sub(-4) ~= ".lua" then return '' end -- ignore .lua.old backups
|
|
|
|
|
if hist_name == nil or hist_name == "" then return "" end
|
|
|
|
|
if hist_name:sub(-4) ~= ".lua" then return "" end -- ignore .lua.old backups
|
|
|
|
|
local s = string.match(hist_name, "%b[]")
|
|
|
|
|
if s == nil or s == '' then return '' end
|
|
|
|
|
if s == nil or s == "" then return "" end
|
|
|
|
|
-- at first, search for path length
|
|
|
|
|
-- and return the rest of string without 4 last characters (".lua")
|
|
|
|
|
return string.sub(hist_name, string.len(s)+2, -5)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:getLastSaveTime(doc_path)
|
|
|
|
|
local attr = lfs.attributes(self:getSidecarFile(doc_path))
|
|
|
|
|
if attr and attr.mode == "file" then
|
|
|
|
|
return attr.modification
|
|
|
|
|
function DocSettings:getFileFromHistory(hist_name)
|
|
|
|
|
local path = self:getPathFromHistory(hist_name)
|
|
|
|
|
if path ~= "" then
|
|
|
|
|
local name = self:getNameFromHistory(hist_name)
|
|
|
|
|
if name ~= "" then
|
|
|
|
|
return ffiutil.joinPath(path, name)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:ensureSidecar(sidecar)
|
|
|
|
|
if lfs.attributes(sidecar, "mode") ~= "directory" then
|
|
|
|
|
lfs.mkdir(sidecar)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Opens a document's individual settings (font, margin, dictionary, etc.)
|
|
|
|
|
-- @string docfile path to the document (e.g., `/foo/bar.pdf`)
|
|
|
|
|
-- @string doc_path path to the document (e.g., `/foo/bar.pdf`)
|
|
|
|
|
-- @treturn DocSettings object
|
|
|
|
|
function DocSettings:open(docfile)
|
|
|
|
|
--- @todo (zijiehe): Remove history_path, use only sidecar.
|
|
|
|
|
|
|
|
|
|
function DocSettings:open(doc_path)
|
|
|
|
|
-- NOTE: Beware, our new instance is new, but self is still DocSettings!
|
|
|
|
|
local new = DocSettings:extend{}
|
|
|
|
|
new.history_file = new:getHistoryPath(docfile)
|
|
|
|
|
|
|
|
|
|
local sidecar = new:getSidecarDir(docfile)
|
|
|
|
|
new.sidecar = sidecar
|
|
|
|
|
DocSettings:ensureSidecar(sidecar)
|
|
|
|
|
-- If there is a file which has a same name as the sidecar directory,
|
|
|
|
|
-- or the file system is read-only, we should not waste time to read it.
|
|
|
|
|
if lfs.attributes(sidecar, "mode") == "directory" then
|
|
|
|
|
-- New sidecar file name is metadata.{file last suffix}.lua.
|
|
|
|
|
-- So we can handle two files with only different suffixes.
|
|
|
|
|
new.sidecar_file = new:getSidecarFile(docfile)
|
|
|
|
|
new.legacy_sidecar_file = sidecar.."/"..
|
|
|
|
|
ffiutil.basename(docfile)..".lua"
|
|
|
|
|
end
|
|
|
|
|
new.doc_sidecar_dir = new:getSidecarDir(doc_path, "doc")
|
|
|
|
|
new.doc_sidecar_file = new:getSidecarFile(doc_path, "doc")
|
|
|
|
|
local doc_sidecar_file, legacy_sidecar_file
|
|
|
|
|
if lfs.attributes(new.doc_sidecar_dir, "mode") == "directory" then
|
|
|
|
|
doc_sidecar_file = new.doc_sidecar_file
|
|
|
|
|
legacy_sidecar_file = new.doc_sidecar_dir.."/"..ffiutil.basename(doc_path)..".lua"
|
|
|
|
|
end
|
|
|
|
|
new.dir_sidecar_dir = new:getSidecarDir(doc_path, "dir")
|
|
|
|
|
new.dir_sidecar_file = new:getSidecarFile(doc_path, "dir")
|
|
|
|
|
local dir_sidecar_file
|
|
|
|
|
if lfs.attributes(new.dir_sidecar_dir, "mode") == "directory" then
|
|
|
|
|
dir_sidecar_file = new.dir_sidecar_file
|
|
|
|
|
end
|
|
|
|
|
local history_file = new:getHistoryPath(doc_path)
|
|
|
|
|
|
|
|
|
|
-- Candidates list, in order of priority:
|
|
|
|
|
local candidates_list = {
|
|
|
|
|
-- New sidecar file
|
|
|
|
|
new.sidecar_file or "",
|
|
|
|
|
-- Backup file of new sidecar file
|
|
|
|
|
new.sidecar_file and (new.sidecar_file .. ".old") or "",
|
|
|
|
|
-- New sidecar file in doc folder
|
|
|
|
|
doc_sidecar_file or "",
|
|
|
|
|
-- Backup file of new sidecar file in doc folder
|
|
|
|
|
doc_sidecar_file and (doc_sidecar_file..".old") or "",
|
|
|
|
|
-- Legacy sidecar file
|
|
|
|
|
new.legacy_sidecar_file or "",
|
|
|
|
|
legacy_sidecar_file or "",
|
|
|
|
|
-- New sidecar file in docsettings folder
|
|
|
|
|
dir_sidecar_file or "",
|
|
|
|
|
-- Backup file of new sidecar file in docsettings folder
|
|
|
|
|
dir_sidecar_file and (dir_sidecar_file..".old") or "",
|
|
|
|
|
-- Legacy history folder
|
|
|
|
|
new.history_file,
|
|
|
|
|
history_file,
|
|
|
|
|
-- Backup file in legacy history folder
|
|
|
|
|
new.history_file .. ".old",
|
|
|
|
|
history_file..".old",
|
|
|
|
|
-- Legacy kpdfview setting
|
|
|
|
|
docfile..".kpdfview.lua",
|
|
|
|
|
doc_path..".kpdfview.lua",
|
|
|
|
|
}
|
|
|
|
|
-- We get back an array of tables for *existing* candidates, sorted MRU first (insertion order breaks ties).
|
|
|
|
|
local candidates = buildCandidates(candidates_list)
|
|
|
|
|
|
|
|
|
|
local ok, stored, filepath
|
|
|
|
|
local ok, stored
|
|
|
|
|
for _, t in ipairs(candidates) do
|
|
|
|
|
local candidate_path = t.path
|
|
|
|
|
-- Ignore empty files
|
|
|
|
@ -186,7 +192,6 @@ function DocSettings:open(docfile)
|
|
|
|
|
-- Ignore empty tables
|
|
|
|
|
if ok and next(stored) ~= nil then
|
|
|
|
|
logger.dbg("DocSettings: data is read from", candidate_path)
|
|
|
|
|
filepath = candidate_path
|
|
|
|
|
break
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
@ -196,7 +201,6 @@ function DocSettings:open(docfile)
|
|
|
|
|
if ok and stored then
|
|
|
|
|
new.data = stored
|
|
|
|
|
new.candidates = candidates
|
|
|
|
|
new.filepath = filepath
|
|
|
|
|
else
|
|
|
|
|
new.data = {}
|
|
|
|
|
end
|
|
|
|
@ -205,40 +209,33 @@ function DocSettings:open(docfile)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Serializes settings and writes them to `metadata.lua`.
|
|
|
|
|
function DocSettings:flush()
|
|
|
|
|
-- write serialized version of the data table into one of
|
|
|
|
|
-- i) sidecar directory in the same directory of the document or
|
|
|
|
|
-- ii) history directory in root directory of KOReader
|
|
|
|
|
if not self.history_file and not self.sidecar_file then
|
|
|
|
|
return
|
|
|
|
|
end
|
|
|
|
|
function DocSettings:flush(data)
|
|
|
|
|
-- Depending on the settings, doc_settings are saved to the book folder or
|
|
|
|
|
-- to koreader/docsettings folder. The latter is also a fallback for read-only book storage.
|
|
|
|
|
local serials = G_reader_settings:readSetting("document_metadata_folder", "doc") == "doc"
|
|
|
|
|
and { {self.doc_sidecar_dir, self.doc_sidecar_file},
|
|
|
|
|
{self.dir_sidecar_dir, self.dir_sidecar_file}, }
|
|
|
|
|
or { {self.dir_sidecar_dir, self.dir_sidecar_file}, }
|
|
|
|
|
|
|
|
|
|
-- If we can write to sidecar_file, we do not need to write to history_file anymore.
|
|
|
|
|
local serials = {}
|
|
|
|
|
if self.sidecar_file then
|
|
|
|
|
table.insert(serials, self.sidecar_file)
|
|
|
|
|
end
|
|
|
|
|
if self.history_file then
|
|
|
|
|
table.insert(serials, self.history_file)
|
|
|
|
|
end
|
|
|
|
|
self:ensureSidecar(self.sidecar)
|
|
|
|
|
local s_out = dump(self.data)
|
|
|
|
|
for _, f in ipairs(serials) do
|
|
|
|
|
local s_out = dump(data or self.data, nil, true)
|
|
|
|
|
for _, s in ipairs(serials) do
|
|
|
|
|
util.makePath(s[1])
|
|
|
|
|
local sidecar_file = s[2]
|
|
|
|
|
local directory_updated = false
|
|
|
|
|
if lfs.attributes(f, "mode") == "file" then
|
|
|
|
|
if lfs.attributes(sidecar_file, "mode") == "file" then
|
|
|
|
|
-- As an additional safety measure (to the ffiutil.fsync* calls used below),
|
|
|
|
|
-- we only backup the file to .old when it has not been modified in the last 60 seconds.
|
|
|
|
|
-- This should ensure in the case the fsync calls are not supported
|
|
|
|
|
-- that the OS may have itself sync'ed that file content in the meantime.
|
|
|
|
|
local mtime = lfs.attributes(f, "modification")
|
|
|
|
|
local mtime = lfs.attributes(sidecar_file, "modification")
|
|
|
|
|
if mtime < os.time() - 60 then
|
|
|
|
|
logger.dbg("DocSettings: Renamed", f, "to", f .. ".old")
|
|
|
|
|
os.rename(f, f .. ".old")
|
|
|
|
|
logger.dbg("DocSettings: Renamed", sidecar_file, "to", sidecar_file .. ".old")
|
|
|
|
|
os.rename(sidecar_file, sidecar_file .. ".old")
|
|
|
|
|
directory_updated = true -- fsync directory content too below
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
logger.dbg("DocSettings: Writing to", f)
|
|
|
|
|
local f_out = io.open(f, "w")
|
|
|
|
|
logger.dbg("DocSettings: Writing to", sidecar_file)
|
|
|
|
|
local f_out = io.open(sidecar_file, "w")
|
|
|
|
|
if f_out ~= nil then
|
|
|
|
|
f_out:write("-- we can read Lua syntax here!\nreturn ")
|
|
|
|
|
f_out:write(s_out)
|
|
|
|
@ -246,77 +243,67 @@ function DocSettings:flush()
|
|
|
|
|
ffiutil.fsyncOpenedFile(f_out) -- force flush to the storage device
|
|
|
|
|
f_out:close()
|
|
|
|
|
|
|
|
|
|
if self.candidates ~= nil
|
|
|
|
|
and G_reader_settings:nilOrFalse("preserve_legacy_docsetting") then
|
|
|
|
|
for _, t in ipairs(self.candidates) do
|
|
|
|
|
local candidate_path = t.path
|
|
|
|
|
if candidate_path ~= f and candidate_path ~= f .. ".old" then
|
|
|
|
|
logger.dbg("DocSettings: Removed legacy file", candidate_path)
|
|
|
|
|
os.remove(candidate_path)
|
|
|
|
|
-- We should not remove sidecar folder, as it may
|
|
|
|
|
-- contain Kindle history files.
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
if directory_updated then
|
|
|
|
|
-- Ensure the file renaming is flushed to storage device
|
|
|
|
|
ffiutil.fsyncDirectory(f)
|
|
|
|
|
ffiutil.fsyncDirectory(sidecar_file)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
self:purge(false, sidecar_file) -- remove old candidates and empty sidecar folders
|
|
|
|
|
|
|
|
|
|
break
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
function DocSettings:getFilePath()
|
|
|
|
|
return self.filepath
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Purges (removes) sidecar directory.
|
|
|
|
|
function DocSettings:purge(full)
|
|
|
|
|
function DocSettings:purge(full, sidecar_to_keep)
|
|
|
|
|
-- Remove any of the old ones we may consider as candidates in DocSettings:open()
|
|
|
|
|
if self.history_file then
|
|
|
|
|
os.remove(self.history_file)
|
|
|
|
|
os.remove(self.history_file .. ".old")
|
|
|
|
|
if self.candidates then
|
|
|
|
|
for _, t in ipairs(self.candidates) do
|
|
|
|
|
local candidate_path = t.path
|
|
|
|
|
if lfs.attributes(candidate_path, "mode") == "file" then
|
|
|
|
|
if (not sidecar_to_keep)
|
|
|
|
|
or (candidate_path ~= sidecar_to_keep and candidate_path ~= sidecar_to_keep..".old") then
|
|
|
|
|
os.remove(candidate_path)
|
|
|
|
|
logger.dbg("DocSettings: purged:", candidate_path)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
if self.legacy_sidecar_file then
|
|
|
|
|
os.remove(self.legacy_sidecar_file)
|
|
|
|
|
end
|
|
|
|
|
if lfs.attributes(self.sidecar, "mode") == "directory" then
|
|
|
|
|
if full then
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
local function purgeDir(dir, full_purge)
|
|
|
|
|
if lfs.attributes(dir, "mode") == "directory" then
|
|
|
|
|
if full_purge then
|
|
|
|
|
-- Asked to remove all the content of this .sdr directory, whether it's ours or not
|
|
|
|
|
ffiutil.purgeDir(self.sidecar)
|
|
|
|
|
ffiutil.purgeDir(dir)
|
|
|
|
|
else
|
|
|
|
|
-- Only remove the files we know we may have created with our usual names.
|
|
|
|
|
for f in lfs.dir(self.sidecar) do
|
|
|
|
|
local fullpath = self.sidecar.."/"..f
|
|
|
|
|
local to_remove = false
|
|
|
|
|
if lfs.attributes(fullpath, "mode") == "file" then
|
|
|
|
|
-- Currently, we only create a single file in there,
|
|
|
|
|
-- named metadata.suffix.lua (ie. metadata.epub.lua),
|
|
|
|
|
-- with possibly backups named metadata.epub.lua.old and
|
|
|
|
|
-- metadata.epub.lua.old_dom20180528,
|
|
|
|
|
-- so all sharing the same base: self.sidecar_file
|
|
|
|
|
if util.stringStartsWith(fullpath, self.sidecar_file) then
|
|
|
|
|
to_remove = true
|
|
|
|
|
-- If the sidecar folder ends up empty, os.remove() can delete it.
|
|
|
|
|
-- Otherwise, the following statement has no effect.
|
|
|
|
|
os.remove(dir)
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
if to_remove then
|
|
|
|
|
os.remove(fullpath)
|
|
|
|
|
logger.dbg("DocSettings: purged:", fullpath)
|
|
|
|
|
end
|
|
|
|
|
purgeDir(self.doc_sidecar_dir, full)
|
|
|
|
|
purgeDir(self.dir_sidecar_dir, full)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
--- Updates sidecar info for file rename/copy/move/delete operations.
|
|
|
|
|
function DocSettings:update(doc_path, new_doc_path, copy)
|
|
|
|
|
if self:hasSidecarFile(doc_path) then
|
|
|
|
|
local doc_settings = DocSettings:open(doc_path)
|
|
|
|
|
if new_doc_path then
|
|
|
|
|
local new_doc_settings = DocSettings:open(new_doc_path)
|
|
|
|
|
new_doc_settings:flush(doc_settings.data) -- with current "Book metadata folder" setting
|
|
|
|
|
else
|
|
|
|
|
local cache_file_path = doc_settings:readSetting("cache_file_path")
|
|
|
|
|
if cache_file_path then
|
|
|
|
|
os.remove(cache_file_path)
|
|
|
|
|
end
|
|
|
|
|
-- If the sidecar folder ends up empty, os.remove() can delete it.
|
|
|
|
|
-- Otherwise, the following statement has no effect.
|
|
|
|
|
os.remove(self.sidecar)
|
|
|
|
|
end
|
|
|
|
|
if not copy then
|
|
|
|
|
doc_settings:purge()
|
|
|
|
|
end
|
|
|
|
|
-- We should have meet the candidate we used and remove it above.
|
|
|
|
|
-- But in case we didn't, remove it.
|
|
|
|
|
if self.filepath and lfs.attributes(self.filepath, "mode") == "file" then
|
|
|
|
|
os.remove(self.filepath)
|
|
|
|
|
end
|
|
|
|
|
self.data = {}
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
return DocSettings
|
|
|
|
|