mirror of
https://github.com/lxsang/antd-web-apps
synced 2024-11-20 10:18:21 +01:00
279 lines
10 KiB
Lua
279 lines
10 KiB
Lua
BaseController:subclass("DocController")
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local getpath = function(vfspath, controller)
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return vfspath:gsub(controller.path_map.vfs_path,
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controller.path_map.local_path)
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end
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local pre_process_md = function(str, obj)
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local content = str
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for capture in str:gmatch("(%[%[@book:image:[^\n%]]*%]%])") do
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local apath = capture:match("%[%[@book:image:([^\n%]]*)%]%]")
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local pattern = capture:gsub("%[", "%%["):gsub("%]", "%%]"):gsub("%-",
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"%%-")
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if apath then
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apath = apath:gsub(" ", "%%%%20")
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print(apath)
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content = content:gsub(pattern, "![](" .. HTTP_ROOT .. "/" ..
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obj.name .. "/asset/" .. apath .. ")")
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end
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end
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return content
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end
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local post_process_md = function(str, obj)
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local content = str
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local has_model = false
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-- 3D model
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for capture in str:gmatch("(%[%[@book:3dmodel:[^\n%]]*%]%])") do
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local apath = capture:match("%[%[@book:3dmodel:([^\n%]]*)%]%]")
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local pattern = capture:gsub("%[", "%%["):gsub("%]", "%%]"):gsub("%-",
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"%%-")
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if apath then
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-- apath = utils.urlencode(apath):gsub("%%", "%%%%")
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apath = apath:gsub(" ", "%%20")
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content = content:gsub(pattern,
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"<model-viewer src=\"" .. HTTP_ROOT .. "/" ..
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obj.name .. "/asset/" .. apath ..
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"\" auto-rotate camera-controls></model-viewer>")
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has_model = true
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end
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end
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-- Youtube video
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for capture in str:gmatch("(%[%[youtube:[^\n%]]*%]%])") do
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local apath = capture:match("%[%[youtube:([^\n%]]*)%]%]")
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local pattern = capture:gsub("%[", "%%["):gsub("%]", "%%]"):gsub("%-",
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"%%-")
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if apath then
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content = content:gsub(pattern,
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"<iframe style='width:100%%;height: auto;min-height: 400px;' src=\"https://www.youtube.com/embed/" ..
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apath .. "\"> </iframe>")
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end
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end
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return content, has_model
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end
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function DocController:loadTOC()
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local path = self.path_map.local_path .. "/meta.json"
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local result = {error = false}
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if ulib.exists(path) then
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local bmeta = JSON.decodeFile(path)
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if bmeta == nil then
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result.error = true
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result.data = "Unable to read book meta.json"
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else
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result.data = {
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name = bmeta.name,
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path = self.path_map.vfs_path .. "/INTRO.md",
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entries = {},
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parent = nil
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}
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-- read all the entries
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for kc, vc in pairs(bmeta.entries) do
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local cpath = getpath(vc.path, self) .. "/meta.json"
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if ulib.exists(cpath) then
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local cmeta = JSON.decodeFile(cpath)
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if cmeta then
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local chapter = {
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name = cmeta.name,
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path = vc.path .. "/INTRO.md",
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tpath = vc.path,
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entries = {},
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parent = result.data,
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id = kc
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}
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-- read all sections
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for ks, vs in pairs(cmeta.entries) do
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local spath = getpath(vs.path, self) .. "/meta.json"
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local smeta = JSON.decodeFile(spath)
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if smeta then
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local section =
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{
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name = smeta.name,
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path = vs.path .. "/INTRO.md",
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tpath = vs.path,
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entries = {},
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parent = chapter,
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id = ks
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}
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-- read all files
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for kf, vf in pairs(smeta.entries) do
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local fpath = getpath(vf.path, self)
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if ulib.exists(fpath) then
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local file = io.open(fpath, "r")
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io.input(file)
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local line = io.read()
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io.close()
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if line then
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local file =
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{
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name = std.trim(
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std.trim(line, "#"), " "),
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path = vf.path,
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tpath = vf.path,
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parent = section,
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id = kf
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}
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table.insert(section.entries, file)
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end
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end
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end
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table.insert(chapter.entries, section)
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end
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end
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table.insert(result.data.entries, chapter)
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end
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end
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end
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end
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else
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result.error = true
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result.data = "No meta-data found"
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end
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return result
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end
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function DocController:index(...)
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local args = {...}
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local toc = self:loadTOC()
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toc.controller = self.name
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self.template:set("toc", toc)
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self.template:set("elinks", self.elinks)
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-- read data from the parameter
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local path = nil
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if args[1] then
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local b64text = args[1]
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if b64text then
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local p = bytes.__tostring(std.b64decode(b64text .. "=="))
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if p then
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toc.cpath = p
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path = getpath(p, self)
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if path and ulib.exists(path) then
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self.template:set("url", HTTP_ROOT .. '/' .. self.name ..
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'/' ..
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std.b64encode(toc.cpath):gsub("=", ""))
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end
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end
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end
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else
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toc.cpath = self.path_map.vfs_path
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path = self.path_map.local_path .. "/INTRO.md"
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end
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if path and ulib.exists(path) then
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local has_3d = false
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local file = io.open(path, "r")
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local content = ""
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local md = require("md")
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local callback = function(s) content = content .. s end
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md.to_html(pre_process_md(file:read("*a"), self), callback)
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file.close()
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content, has_3d = post_process_md(content, self)
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-- replace some display plugins
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self.template:setView("book", "index")
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self.template:set("data", content)
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self.template:set("has_3d", has_3d)
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else
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self.template:setView("notfound", "index")
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end
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return true
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end
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function DocController:search(...)
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local args = {...}
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local query = REQUEST.q
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if query then
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local cmd = "grep -ri --include=\\*.md "
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local arr = explode(query, " ")
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local patterns = {}
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for k, v in ipairs(arr) do
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local world = std.trim(v, " ")
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if v and v ~= "" then
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cmd = cmd .. " -e '" .. v .. "' "
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table.insert(patterns, v:lower())
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end
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end
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if #patterns > 0 then
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local toc = self:loadTOC()
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toc.controller = self.name
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self.template:set("toc", toc)
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self.template:setView("search", "index")
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cmd = cmd .. self.path_map.local_path
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local handle = io.popen(cmd)
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local result = {}
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for line in handle:lines() do
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file = line:match("^[^:]*")
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if file then
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if not result[file] then
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result[file] = {}
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end
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local content = line:gsub("^[^:]*:", ""):lower()
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for k, p in ipairs(patterns) do
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content = content:gsub(p,
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"<span class='pattern'>" .. p ..
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"</span>")
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end
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table.insert(result[file], content)
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end
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end
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handle:close()
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-- process the result
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self.template:set("data", result)
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self.template:set("controller", self.name)
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self.template:set("map", self.path_map)
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self.template:set("elinks", self.elinks)
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else
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return self:actionnotfound(table.unpack(args))
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end
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else
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return self:actionnotfound(table.unpack(args))
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end
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return true
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end
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function DocController:asset(...)
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local args = {...}
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if #args == 0 then return self:actionnotfound(table.unpack(args)) end
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local path = self.path_map.local_path .. "/" .. implode(args, DIR_SEP)
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if self.registry.fileaccess and ulib.exists(path) then
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local mime = std.mimeOf(path)
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if POLICY.mimes[mime] then
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std.sendFile(path)
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else
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self:error("Access forbidden: " .. path)
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end
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else
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self:error("Asset file not found or access forbidden: " .. path)
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end
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return false
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end
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function DocController:api(...)
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local args = {...}
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if not self.path_map.api_path then
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return self:actionnotfound(table.unpack(args))
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end
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local rpath = "index.html"
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if #args ~= 0 then rpath = implode(args, "/") end
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local path = self.path_map.api_path .. "/" .. rpath
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if ulib.exists(path) then
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local mime = std.mimeOf(path)
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if POLICY.mimes[mime] then
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std.sendFile(path)
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else
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self:error("Access forbidden: " .. path)
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end
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else
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self:error("File not found or access forbidden: " .. path)
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end
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return false
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end
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function DocController:actionnotfound(...)
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local args = {...}
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return self:index(table.unpack(args))
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end
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