mirror of
https://github.com/koreader/koreader
synced 2024-10-31 21:20:20 +00:00
123 lines
4.0 KiB
Lua
123 lines
4.0 KiB
Lua
local InputContainer = require("ui/widget/container/inputcontainer")
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local DictQuickLookup = require("ui/widget/dictquicklookup")
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local UIManager = require("ui/uimanager")
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local Geom = require("ui/geometry")
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local Screen = require("device").screen
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local JSON = require("JSON")
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local DEBUG = require("dbg")
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local _ = require("gettext")
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local ReaderDictionary = InputContainer:new{}
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function ReaderDictionary:init()
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self.ui.menu:registerToMainMenu(self)
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end
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function ReaderDictionary:addToMainMenu(tab_item_table)
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table.insert(tab_item_table.plugins, {
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text = _("Dictionary lookup"),
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tap_input = {
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title = _("Enter a word to look up"),
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type = "text",
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callback = function(input)
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self:onLookupWord(input)
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end,
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},
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})
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end
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function ReaderDictionary:onLookupWord(word, box, highlight)
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self.highlight = highlight
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self:stardictLookup(word, box)
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return true
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end
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local function tidy_markup(results)
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local cdata_tag = "<!%[CDATA%[(.-)%]%]>"
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local format_escape = "&[29Ib%+]{(.-)}"
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for _, result in ipairs(results) do
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local def = result.definition
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-- preserve the <br> tag for line break
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def = def:gsub("<[bB][rR] ?/?>", "\n")
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-- parse CDATA text in XML
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if def:find(cdata_tag) then
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def = def:gsub(cdata_tag, "%1")
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-- ignore format strings
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while def:find(format_escape) do
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def = def:gsub(format_escape, "%1")
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end
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end
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-- ignore all markup tags
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def = def:gsub("%b<>", "")
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result.definition = def
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end
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return results
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end
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function ReaderDictionary:stardictLookup(word, box)
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DEBUG("lookup word:", word, box)
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if word then
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-- strip ASCII punctuation characters around selected word
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-- and strip any generic punctuation (U+2000 - U+206F) in the word
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word = word:gsub("\226[\128-\131][\128-\191]",''):gsub("^%p+",''):gsub("%p+$",'')
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DEBUG("stripped word:", word)
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-- escape quotes and other funny characters in word
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local std_out = io.popen("./sdcv --utf8-input --utf8-output -nj "..("%q"):format(word), "r")
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local results_str = nil
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if std_out then results_str = std_out:read("*all") end
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--DEBUG("result str:", word, results_str)
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local ok, results = pcall(JSON.decode, JSON, results_str)
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if ok and results then
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DEBUG("lookup result table:", word, results)
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self:showDict(word, tidy_markup(results), box)
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else
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-- dummy results
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results = {
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{
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dict = "",
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word = word,
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definition = _("No definition found."),
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}
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}
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DEBUG("dummy result table:", word, results)
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self:showDict(word, results, box)
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end
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end
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end
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function ReaderDictionary:showDict(word, results, box)
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if results and results[1] then
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DEBUG("showing quick lookup window")
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UIManager:show(DictQuickLookup:new{
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ui = self.ui,
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highlight = self.highlight,
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dialog = self.dialog,
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-- original lookup word
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word = word,
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results = results,
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dictionary = self.default_dictionary,
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width = Screen:getWidth() - Screen:scaleByDPI(80),
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word_box = box,
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-- differentiate between dict and wiki
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wiki = self.wiki,
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})
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end
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end
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function ReaderDictionary:onUpdateDefaultDict(dict)
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DEBUG("make default dictionary:", dict)
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self.default_dictionary = dict
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return true
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end
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function ReaderDictionary:onReadSettings(config)
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self.default_dictionary = config:readSetting("default_dictionary")
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end
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function ReaderDictionary:onSaveSettings()
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DEBUG("save default dictionary", self.default_dictionary)
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self.ui.doc_settings:saveSetting("default_dictionary", self.default_dictionary)
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end
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return ReaderDictionary
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