Remove htmlparser dependence (#2) #8
|
@ -12,7 +12,6 @@ dependencies = {
|
|||
"lualogging 1.6.0",
|
||||
"inspect 3.1.3",
|
||||
"ansicolors 1.0.2",
|
||||
"htmlparser 0.3.9",
|
||||
"web_sanitize 1.3.0",
|
||||
"penlight 1.13.1",
|
||||
"luasocket 3.1.0-1",
|
||||
|
|
|
@ -0,0 +1,23 @@
|
|||
local class = require "pl.class"
|
||||
local List = require "pl.List"
|
||||
|
||||
local Function_Info = class.Module_Doc()
|
||||
|
||||
function Function_Info:_init()
|
||||
self.name = ""
|
||||
self.parameters = List()
|
||||
self.return_types = List()
|
||||
end
|
||||
|
||||
function Function_Info:append_return_type(return_type)
|
||||
self.return_types:append(return_type)
|
||||
end
|
||||
|
||||
function Function_Info:append_parameter(name, type)
|
||||
self.parameters:append {
|
||||
name = name,
|
||||
type = type,
|
||||
}
|
||||
end
|
||||
|
||||
return Function_Info
|
|
@ -0,0 +1,12 @@
|
|||
local class = require "pl.class"
|
||||
local List = require "pl.List"
|
||||
|
||||
local Module_Doc = class.Module_Doc()
|
||||
|
||||
function Module_Doc:_init()
|
||||
self.constructors = List()
|
||||
self.methods = List()
|
||||
self.static_functions = List()
|
||||
end
|
||||
|
||||
return Module_Doc
|
|
@ -0,0 +1,10 @@
|
|||
local class = require "pl.class"
|
||||
|
||||
local Module_Info = class.Module_Info()
|
||||
|
||||
function Module_Info:_init(name, uri)
|
||||
self.name = name
|
||||
self.uri = uri
|
||||
end
|
||||
|
||||
return Module_Info
|
|
@ -3,19 +3,19 @@ local inspect = require "inspect"
|
|||
local log = require "logger"
|
||||
local properties = require "properties"
|
||||
local scraper = require "scraper"
|
||||
local generator = require "generator"
|
||||
-- local generator = require "generator"
|
||||
|
||||
log:info(
|
||||
inspect { message = "Start extraction", base_url = properties.base_url }
|
||||
)
|
||||
|
||||
-- local index = crawler.fetch(properties.base_url .. properties.index_uri)
|
||||
-- local modules = scraper.get_modules_from_index(
|
||||
-- index,
|
||||
-- properties.ignored_modules
|
||||
-- )
|
||||
local index = crawler.fetch(properties.base_url .. properties.index_uri)
|
||||
|
||||
-- log:info(inspect { modules_found = #modules })
|
||||
-- local modules =
|
||||
-- scraper.get_modules_from_index(index, properties.ignored_modules)
|
||||
local module_infos = scraper.module_info_list.get_modules_from_index(index)
|
||||
|
||||
log:info(inspect { modules_found = #module_infos })
|
||||
|
||||
-- for i = 1, 1 do -- #modules do
|
||||
-- local m = modules[i]
|
||||
|
@ -25,12 +25,15 @@ log:info(
|
|||
-- log:info(inspect { items })
|
||||
-- end
|
||||
|
||||
local page =
|
||||
crawler.fetch(properties.base_url .. "/widgets/wibox.widget.imagebox.html")
|
||||
local items = scraper.get_doc_from_page(page)
|
||||
local html =
|
||||
crawler.fetch(properties.base_url .. "/widgets/wibox.widget.textbox.html")
|
||||
local module_doc = scraper.module_doc.get_doc_from_page(html)
|
||||
log:info(inspect { module_doc = module_doc })
|
||||
|
||||
-- local items = scraper.get_doc_from_page(page)
|
||||
-- log:info(inspect { items })
|
||||
|
||||
generator.write(
|
||||
generator.generate_teal(items),
|
||||
properties.out_directory .. "/test.tl"
|
||||
)
|
||||
-- generator.write(
|
||||
-- generator.generate_teal(items),
|
||||
-- properties.out_directory .. "/test.tl"
|
||||
-- )
|
||||
|
|
|
@ -1,212 +1,5 @@
|
|||
local htmlparser = require "htmlparser"
|
||||
local log = require "logger"
|
||||
local utils = require "utils"
|
||||
|
||||
local scraper = {}
|
||||
|
||||
function scraper.get_modules_from_index(html, ignored)
|
||||
local document = htmlparser.parse(html)
|
||||
|
||||
local modules = utils.map(document "#navigation ul > li a", function(node)
|
||||
return {
|
||||
name = utils.sanitize_string(node:getcontent()),
|
||||
uri = node.attributes.href,
|
||||
module_doc = require "scraper.module_doc",
|
||||
module_info_list = require "scraper.module_info_list",
|
||||
utils = require "scraper.utils",
|
||||
}
|
||||
end)
|
||||
|
||||
local filtered_modules = utils.filter(modules, function(module)
|
||||
return not utils.has_item(ignored, module.name)
|
||||
end)
|
||||
|
||||
return filtered_modules
|
||||
end
|
||||
|
||||
local function extract_first_node_or_fail(node, selector)
|
||||
local extracted = node(selector)[1]
|
||||
|
||||
if not extracted then
|
||||
log:error {
|
||||
message = "Can't find `" .. selector .. "` element!",
|
||||
node = node:gettext(),
|
||||
}
|
||||
error "extract_first_node_or_fail"
|
||||
end
|
||||
|
||||
return extracted
|
||||
end
|
||||
|
||||
local function extract_first_node(node, selector)
|
||||
local extracted = node(selector)[1]
|
||||
|
||||
if not extracted then
|
||||
return nil
|
||||
end
|
||||
|
||||
return extracted
|
||||
end
|
||||
|
||||
local function extract_inner_floating_text(node)
|
||||
local html = node:getcontent()
|
||||
|
||||
-- Remove inner tags from the html
|
||||
for _, n in ipairs(node.nodes) do
|
||||
html = utils.replace(html, n:gettext(), "")
|
||||
end
|
||||
|
||||
return utils.sanitize_string(html)
|
||||
end
|
||||
|
||||
local function extract_item_content_parameter_list(content)
|
||||
for i, n in ipairs(content.nodes) do
|
||||
-- The parameters <ul> is the next element after one of these <h3>
|
||||
if
|
||||
n.name == "h3"
|
||||
and utils.has_item(
|
||||
{ "Parameters:", "Type constraints:", "Arguments" },
|
||||
utils.sanitize_string(n:getcontent())
|
||||
)
|
||||
then
|
||||
return content.nodes[i + 1]
|
||||
end
|
||||
end
|
||||
|
||||
return nil
|
||||
end
|
||||
|
||||
local function process_item_header_type(node)
|
||||
local types_node = extract_first_node(node, "span.summary_type")
|
||||
|
||||
if not types_node then
|
||||
return nil
|
||||
end
|
||||
|
||||
local types_string = string.match(types_node:getcontent(), "%((.-)%)")
|
||||
or types_node:getcontent()
|
||||
types_string = utils.replace(types_string, "or", ",")
|
||||
local splitted = string.gmatch(types_string, "([^,]+)")
|
||||
|
||||
local types = {}
|
||||
for t in splitted do
|
||||
table.insert(types, utils.sanitize_string(t))
|
||||
end
|
||||
|
||||
return types
|
||||
end
|
||||
|
||||
local function process_item_header(node)
|
||||
local name_node = extract_first_node_or_fail(node, "strong")
|
||||
|
||||
-- Remove starting ":" character on method name
|
||||
local name = extract_inner_floating_text(name_node):gsub("^:", "")
|
||||
local type = process_item_header_type(node)
|
||||
|
||||
local item_header = {
|
||||
name = name,
|
||||
type = type,
|
||||
}
|
||||
|
||||
return item_header
|
||||
end
|
||||
|
||||
local function process_item_content_parameters(node)
|
||||
local parameter = {}
|
||||
|
||||
local name = extract_first_node_or_fail(node, "span.parameter")
|
||||
parameter.name = utils.sanitize_string(name:getcontent())
|
||||
|
||||
local nested_parameters_list = extract_first_node(node, "ul")
|
||||
if nested_parameters_list then
|
||||
parameter.type = "table"
|
||||
parameter.nested_parameters = utils.map(
|
||||
nested_parameters_list "* > li",
|
||||
process_item_content_parameters
|
||||
)
|
||||
|
||||
return parameter
|
||||
end
|
||||
|
||||
local types_list = utils.map(node ".type", function(type)
|
||||
return utils.sanitize_string(type:getcontent())
|
||||
end)
|
||||
if #types_list > 0 then
|
||||
parameter.type = types_list
|
||||
end
|
||||
|
||||
return parameter
|
||||
end
|
||||
|
||||
local function process_item_content(content)
|
||||
local parameters_list = extract_item_content_parameter_list(content)
|
||||
local parameters = parameters_list
|
||||
and utils.map(
|
||||
parameters_list "* > li",
|
||||
process_item_content_parameters
|
||||
)
|
||||
or {}
|
||||
|
||||
local item_content = {
|
||||
parameters = #parameters > 0 and parameters or nil,
|
||||
}
|
||||
|
||||
return item_content
|
||||
end
|
||||
|
||||
local function process_section_titles(document)
|
||||
return utils.map(document "h2.section-header", extract_inner_floating_text)
|
||||
end
|
||||
|
||||
local function process_section_items(item)
|
||||
local headers = utils.map(item "dt", process_item_header)
|
||||
local contents = utils.map(item "dd", process_item_content)
|
||||
|
||||
if #headers ~= #contents then
|
||||
log:error {
|
||||
message = "extract_item_content failure: headers and contents don't have the same size",
|
||||
headers = #headers,
|
||||
contents = #contents,
|
||||
}
|
||||
error "extract_item_content"
|
||||
end
|
||||
|
||||
local item_contents = utils.map(headers, function(header, i)
|
||||
return {
|
||||
name = header.name,
|
||||
type = header.type,
|
||||
parameters = contents[i].parameters,
|
||||
}
|
||||
end)
|
||||
|
||||
return item_contents
|
||||
end
|
||||
|
||||
local function process_section_contents(document)
|
||||
local section_items = document "dl.function"
|
||||
|
||||
local section_contents = utils.map(section_items, process_section_items)
|
||||
|
||||
return section_contents
|
||||
end
|
||||
|
||||
function scraper.get_doc_from_page(html)
|
||||
local document = htmlparser.parse(html, 9999)
|
||||
|
||||
local sections_titles = process_section_titles(document)
|
||||
local section_contents = process_section_contents(document)
|
||||
|
||||
if #sections_titles ~= #section_contents then
|
||||
log:error {
|
||||
message = "get_items_from_page failure: section_titles and section_contents don't have the same size",
|
||||
sections_titles = #sections_titles,
|
||||
func = #section_contents,
|
||||
}
|
||||
error "get_items_from_page"
|
||||
end
|
||||
|
||||
local doc = utils.map(sections_titles, function(title, i)
|
||||
return { section = title, items = section_contents[i] }
|
||||
end)
|
||||
|
||||
return doc
|
||||
end
|
||||
|
||||
return scraper
|
||||
|
|
|
@ -0,0 +1,84 @@
|
|||
local Function_Info = require "entities.Function_Info"
|
||||
local Module_Doc = require "entities.Module_Doc"
|
||||
local scraper_utils = require "scraper.utils"
|
||||
local utils = require "utils"
|
||||
|
||||
local function extract_function_name(function_name_node)
|
||||
return function_name_node and (function_name_node.attr.name:gsub(".*:", ""))
|
||||
end
|
||||
|
||||
local function extract_function_return_types(function_return_types_node)
|
||||
if not function_return_types_node then
|
||||
return {}
|
||||
end
|
||||
|
||||
local selector = "span.types .type"
|
||||
local html = function_return_types_node:outer_html()
|
||||
|
||||
return scraper_utils.scrape(html, selector, function(node)
|
||||
return utils.sanitize_string(node:inner_text())
|
||||
end)
|
||||
end
|
||||
|
||||
local function extract_section_functions(dl)
|
||||
local query_selectors = {
|
||||
function_name = "dt a",
|
||||
function_return_type = "dd ol",
|
||||
}
|
||||
|
||||
return scraper_utils.scrape_tuples(
|
||||
dl,
|
||||
{ query_selectors.function_name, query_selectors.function_return_type },
|
||||
function(nodes)
|
||||
local function_info = Function_Info()
|
||||
|
||||
function_info.name =
|
||||
extract_function_name(nodes[query_selectors.function_name])
|
||||
function_info.return_types = extract_function_return_types(
|
||||
nodes[query_selectors.function_return_type]
|
||||
)
|
||||
|
||||
return function_info
|
||||
end
|
||||
)
|
||||
end
|
||||
|
||||
local module = {}
|
||||
|
||||
function module.get_doc_from_page(html)
|
||||
local nodes = scraper_utils.extract_nodes(html, {
|
||||
"h2.section-header",
|
||||
"dl.function",
|
||||
})
|
||||
|
||||
if #nodes:get "h2.section-header" ~= #nodes:get "dl.function" then
|
||||
error "The list aren't the same size!"
|
||||
end
|
||||
|
||||
local module_doc = Module_Doc()
|
||||
|
||||
for i, h2 in ipairs(nodes:get "h2.section-header") do
|
||||
local section_name = utils.sanitize_string(h2:inner_text())
|
||||
local dl_html = nodes:get("dl.function")[i]:outer_html()
|
||||
|
||||
if section_name == "Constructors" then
|
||||
module_doc.constructors = extract_section_functions(dl_html)
|
||||
elseif section_name == "Static module functions" then
|
||||
module_doc.static_functions = extract_section_functions(dl_html)
|
||||
elseif section_name == "Object properties" then
|
||||
print "Not implemented: Deprecated object properties"
|
||||
elseif section_name == "Deprecated object properties" then
|
||||
print "Not implemented: Deprecated object properties"
|
||||
elseif section_name == "Object methods" then
|
||||
module_doc.methods = extract_section_functions(dl_html)
|
||||
elseif section_name == "Signals" then
|
||||
print "Not implemented: Signals"
|
||||
else
|
||||
error("Unknown section name: " .. section_name)
|
||||
end
|
||||
end
|
||||
|
||||
return module_doc
|
||||
end
|
||||
|
||||
return module
|
|
@ -0,0 +1,28 @@
|
|||
local Module_Info = require "entities.Module_Info"
|
||||
local scraper_utils = require "scraper.utils"
|
||||
local utils = require "utils"
|
||||
|
||||
local module = {}
|
||||
|
||||
local MODULE_A_TAG_QUERY_SELECTOR = "div#navigation ul li a"
|
||||
|
||||
local function extract_module_info(node)
|
||||
local name = utils.sanitize_string(node:inner_text())
|
||||
local uri = node.attr.href
|
||||
|
||||
if not (name and uri) then
|
||||
error("Can't extract module info from node: " .. node:outer_html())
|
||||
end
|
||||
|
||||
return Module_Info(name, uri)
|
||||
end
|
||||
|
||||
function module.get_modules_from_index(html)
|
||||
return scraper_utils.scrape(
|
||||
html,
|
||||
MODULE_A_TAG_QUERY_SELECTOR,
|
||||
extract_module_info
|
||||
)
|
||||
end
|
||||
|
||||
return module
|
|
@ -0,0 +1,68 @@
|
|||
local List = require "pl.List"
|
||||
local log = require "logger"
|
||||
local Map = require "pl.Map"
|
||||
local scanner = require "web_sanitize.query.scan_html"
|
||||
local tablex = require "pl.tablex"
|
||||
|
||||
local scraper_utils = {}
|
||||
|
||||
function scraper_utils.scrape(html, query_selector, extract_callback)
|
||||
local ret = {}
|
||||
|
||||
scanner.scan_html(html, function(stack)
|
||||
if stack:is(query_selector) then
|
||||
local node = stack:current()
|
||||
local success, info = pcall(extract_callback, node)
|
||||
|
||||
if not success then
|
||||
log:error { message = info }
|
||||
else
|
||||
table.insert(ret, info)
|
||||
end
|
||||
end
|
||||
end)
|
||||
|
||||
return ret
|
||||
end
|
||||
|
||||
function scraper_utils.extract_nodes(html, query_selectors)
|
||||
local siblings = Map()
|
||||
|
||||
tablex.foreach(query_selectors, function(query_selector)
|
||||
siblings:set(query_selector, List())
|
||||
end)
|
||||
|
||||
scanner.scan_html(html, function(stack)
|
||||
tablex.foreach(query_selectors, function(query_selector)
|
||||
if stack:is(query_selector) then
|
||||
siblings:get(query_selector):append(stack:current())
|
||||
end
|
||||
end)
|
||||
end)
|
||||
|
||||
return siblings
|
||||
end
|
||||
|
||||
function scraper_utils.scrape_tuples(html, query_selectors, extract_callback)
|
||||
local nodes = scraper_utils.extract_nodes(html, query_selectors)
|
||||
|
||||
local ret = {}
|
||||
|
||||
for i = 1, #nodes:get(query_selectors[1]) do
|
||||
local node_list = {}
|
||||
tablex.foreach(query_selectors, function(query_selector)
|
||||
node_list[query_selector] = nodes:get(query_selector)[i] or nil
|
||||
end)
|
||||
local success, info = pcall(extract_callback, node_list)
|
||||
|
||||
if not success then
|
||||
log:error { message = info }
|
||||
else
|
||||
table.insert(ret, info)
|
||||
end
|
||||
end
|
||||
|
||||
return ret
|
||||
end
|
||||
|
||||
return scraper_utils
|
Loading…
Reference in New Issue