Generate Prefs type

This commit is contained in:
Zed 2019-08-17 21:49:41 +02:00
parent d05f4fd3ee
commit 16f77223ff
4 changed files with 116 additions and 101 deletions

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@ -1,7 +1,8 @@
import asyncdispatch, times, macros, tables, xmltree
import strutils
import types
import prefs_impl
const hostname {.strdefine.} = "nitter.net"
export genUpdatePrefs
withCustomDb("prefs.db", "", "", ""):
try:
@ -9,74 +10,6 @@ withCustomDb("prefs.db", "", "", ""):
except DbError:
discard
type
PrefKind* = enum
checkbox, select, input
Pref* = object
name*: string
label*: string
case kind*: PrefKind
of checkbox:
defaultState*: bool
of select:
defaultOption*: string
options*: seq[string]
of input:
defaultInput*: string
placeholder*: string
# TODO: write DSL to simplify this
const prefList*: Table[string, seq[Pref]] = {
"Privacy": @[
Pref(kind: input, name: "replaceTwitter",
label: "Replace Twitter links with Nitter (blank to disable)",
defaultInput: hostname, placeholder: "Nitter hostname"),
Pref(kind: input, name: "replaceYouTube",
label: "Replace YouTube links with Invidious (blank to disable)",
defaultInput: "invidio.us", placeholder: "Invidious hostname")
],
"Media": @[
Pref(kind: checkbox, name: "videoPlayback",
label: "Enable hls.js video playback (requires JavaScript)",
defaultState: false),
Pref(kind: checkbox, name: "autoplayGifs", label: "Autoplay gifs",
defaultState: true)
],
"Display": @[
Pref(kind: checkbox, name: "hideTweetStats",
label: "Hide tweet stats (replies, retweets, likes)",
defaultState: false),
Pref(kind: checkbox, name: "hideBanner", label: "Hide profile banner",
defaultState: false),
Pref(kind: checkbox, name: "stickyProfile",
label: "Make profile sidebar stick to top",
defaultState: true)
]
}.toTable
iterator allPrefs(): Pref =
for k, v in prefList:
for pref in v:
yield pref
macro genDefaultPrefs*(): untyped =
result = nnkObjConstr.newTree(ident("Prefs"))
for pref in allPrefs():
result.add nnkExprColonExpr.newTree(
ident(pref.name),
case pref.kind
of checkbox: newLit(pref.defaultState)
of select: newLit(pref.defaultOption)
of input: newLit(pref.defaultInput))
proc cache*(prefs: var Prefs) =
withCustomDb("prefs.db", "", "", ""):
try:
@ -101,25 +34,3 @@ proc resetPrefs*(prefs: var Prefs) =
defPrefs.id = prefs.id
cache(defPrefs)
prefs = defPrefs
macro genUpdatePrefs*(): untyped =
result = nnkStmtList.newTree()
for pref in allPrefs():
let ident = ident(pref.name)
let value = nnkPrefix.newTree(ident("@"), newLit(pref.name))
case pref.kind
of checkbox:
result.add quote do: prefs.`ident` = `value` == "on"
of input:
result.add quote do: prefs.`ident` = xmltree.escape(strip(`value`))
of select:
let options = pref.options
let default = pref.defaultOption
result.add quote do:
if `value` in `options`: prefs.`ident` = `value`
else: prefs.`ident` = `default`
result.add quote do:
cache(prefs)

110
src/prefs_impl.nim Normal file
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@ -0,0 +1,110 @@
import macros, tables, strutils, xmltree
const hostname {.strdefine.} = "nitter.net"
type
PrefKind* = enum
checkbox, select, input
Pref* = object
name*: string
label*: string
case kind*: PrefKind
of checkbox:
defaultState*: bool
of select:
defaultOption*: string
options*: seq[string]
of input:
defaultInput*: string
placeholder*: string
# TODO: write DSL to simplify this
const prefList*: Table[string, seq[Pref]] = {
"Privacy": @[
Pref(kind: input, name: "replaceTwitter",
label: "Replace Twitter links with Nitter (blank to disable)",
defaultInput: hostname, placeholder: "Nitter hostname"),
Pref(kind: input, name: "replaceYouTube",
label: "Replace YouTube links with Invidious (blank to disable)",
defaultInput: "invidio.us", placeholder: "Invidious hostname")
],
"Media": @[
Pref(kind: checkbox, name: "videoPlayback",
label: "Enable hls.js video playback (requires JavaScript)",
defaultState: false),
Pref(kind: checkbox, name: "autoplayGifs", label: "Autoplay gifs",
defaultState: true)
],
"Display": @[
Pref(kind: checkbox, name: "hideTweetStats",
label: "Hide tweet stats (replies, retweets, likes)",
defaultState: false),
Pref(kind: checkbox, name: "hideBanner", label: "Hide profile banner",
defaultState: false),
Pref(kind: checkbox, name: "stickyProfile",
label: "Make profile sidebar stick to top",
defaultState: true)
]
}.toTable
iterator allPrefs(): Pref =
for k, v in prefList:
for pref in v:
yield pref
macro genDefaultPrefs*(): untyped =
result = nnkObjConstr.newTree(ident("Prefs"))
for pref in allPrefs():
let default =
case pref.kind
of checkbox: newLit(pref.defaultState)
of select: newLit(pref.defaultOption)
of input: newLit(pref.defaultInput)
result.add nnkExprColonExpr.newTree(ident(pref.name), default)
macro genUpdatePrefs*(): untyped =
result = nnkStmtList.newTree()
for pref in allPrefs():
let ident = ident(pref.name)
let value = nnkPrefix.newTree(ident("@"), newLit(pref.name))
case pref.kind
of checkbox:
result.add quote do: prefs.`ident` = `value` == "on"
of input:
result.add quote do: prefs.`ident` = xmltree.escape(strip(`value`))
of select:
let options = pref.options
let default = pref.defaultOption
result.add quote do:
if `value` in `options`: prefs.`ident` = `value`
else: prefs.`ident` = `default`
result.add quote do:
cache(prefs)
macro genPrefsType*(): untyped =
result = nnkTypeSection.newTree(nnkTypeDef.newTree(
nnkPostfix.newTree(ident("*"), ident("Prefs")), newEmptyNode(),
nnkObjectTy.newTree(newEmptyNode(), newEmptyNode(), nnkRecList.newTree())))
result[0][2][2].add nnkIdentDefs.newTree(
nnkPostfix.newTree(ident("*"), ident("id")), ident("int"), newEmptyNode())
for pref in allPrefs():
result[0][2][2].add nnkIdentDefs.newTree(
nnkPostfix.newTree(ident("*"), ident(pref.name)),
(case pref.kind
of checkbox: ident("bool")
of input, select: ident("string")),
newEmptyNode())

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@ -1,5 +1,6 @@
import times, sequtils, options
import norm/sqlite
import prefs_impl
export sqlite, options
@ -49,14 +50,7 @@ db("cache.db", "", "", ""):
formatIt: dbValue($it)
.}: VideoType
Prefs* = object
videoPlayback*: bool
autoplayGifs*: bool
hideTweetStats*: bool
hideBanner*: bool
stickyProfile*: bool
replaceYouTube*: string
replaceTwitter*: string
genPrefsType()
type
QueryKind* = enum

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@ -1,7 +1,7 @@
import tables, macros, strformat, xmltree
import karax/[karaxdsl, vdom, vstyles]
import ../types, ../prefs
import ../types, ../prefs_impl
proc genCheckbox(pref, label: string; state: bool): VNode =
buildHtml(tdiv(class="pref-group")):