Add history storage and completion + split dmenu,history into modules

3 files changed, 91 insertions, 1 deletions

diff --git a/lua/null-browser/api.lua b/lua/null-browser/api.lua
index d2e0be7..1be7589 100644
--- a/lua/null-browser/api.lua
+++ b/lua/null-browser/api.lua
@@ -1,4 +1,4 @@
-print("FOOOOOOOOOOBARRRRRR")
+print("api loaded")
 
 local function shallow_copy(t)
   local t2 = {}
@@ -6,6 +6,8 @@ local function shallow_copy(t)
   return t2
 end
 
+-- web.keymap = web.keymap or {}
+-- web.tab = web.tab or {}
 web.event = web.event or {}
 
 web.event.add_listener = function(events, opts)
diff --git a/lua/null-browser/extras/dmenu.lua b/lua/null-browser/extras/dmenu.lua
new file mode 100644
index 0000000..1bd467f
--- /dev/null
+++ b/lua/null-browser/extras/dmenu.lua
@@ -0,0 +1,32 @@
+local dmenu = {}
+
+function dmenu.select(list, opts, callback)
+  local selection = nil
+  local stdin = uv.new_pipe();
+  local stdout = uv.new_pipe();
+  local args = { '-p', opts.prompt or '>', '-it', opts.input or '' }
+  uv.spawn('dmenu', { args = args, stdio = { stdin, stdout, nil } }, function(code)
+    uv.close(stdout)
+    uv.close(stdin)
+    if code == 0 then
+      callback(nil, selection)
+    else
+      callback('Exit with status code: ' .. code, selection)
+    end
+  end)
+
+  uv.read_start(stdout, function(_, data)
+    if data then selection = data end
+  end)
+
+  for _, value in ipairs(list) do
+    uv.write(stdin, value .. '\n')
+  end
+  uv.shutdown(stdin)
+end
+
+function dmenu.input(opts, callback)
+  dmenu.select({}, opts, callback)
+end
+
+return dmenu
diff --git a/lua/null-browser/extras/history.lua b/lua/null-browser/extras/history.lua
new file mode 100644
index 0000000..2ae48d5
--- /dev/null
+++ b/lua/null-browser/extras/history.lua
@@ -0,0 +1,56 @@
+local history = {
+  path = './history',
+  max_entires = 200,
+}
+
+function history.list()
+  local file = uv.fs_open(history.path, 'r', 438)
+  if not file then return {} end
+  local stat = assert(uv.fs_fstat(file))
+  local data = assert(uv.fs_read(file, stat.size))
+  assert(uv.fs_close(file))
+
+  local urls = {}
+  for line in string.gmatch(data, '[^\r\n]+') do
+    local already_exists = false
+    for _, url in ipairs(urls) do
+      if url == line then already_exists = true end
+    end
+    if #urls >= history.max_entires then break end
+    if not already_exists then
+      table.insert(urls, line)
+    end
+  end
+
+  return urls
+end
+
+function history.update(func)
+  local urls = history.list()
+  local file = assert(uv.fs_open(history.path, 'w', 438))
+  urls = func(urls)
+  local contents = table.concat(urls, '\n')
+  assert(uv.fs_write(file, contents))
+  assert(uv.fs_close(file))
+end
+
+function history.add(url)
+  history.update(function(urls)
+    table.insert(urls, 1, url)
+    return urls
+  end)
+end
+
+function history.delete(url_to_delete)
+  history.update(function(urls)
+    for index, url in urls do
+      if url == url_to_delete then
+        table.remove(urls, index)
+        return urls
+      end
+    end
+    return urls
+  end)
+end
+
+return history