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145 lines
3.8 KiB
Nim
145 lines
3.8 KiB
Nim
import macros, tables, strutils, xmltree
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type
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PrefKind* = enum
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checkbox, select, input
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Pref* = object
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name*: string
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label*: string
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kind*: PrefKind
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options*: seq[string]
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placeholder*: string
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defaultState*: bool
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defaultOption*: string
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defaultInput*: string
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macro genPrefs(prefDsl: untyped) =
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var table = nnkTableConstr.newTree()
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for category in prefDsl:
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table.add nnkExprColonExpr.newTree(newLit($category[0]))
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table[^1].add nnkPrefix.newTree(newIdentNode("@"), nnkBracket.newTree())
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for pref in category[1]:
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let
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name = newLit($pref[0])
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kind = pref[1]
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label = pref[3][0]
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default = pref[2]
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defaultField =
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case parseEnum[PrefKind]($kind)
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of checkbox: ident("defaultState")
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of select: ident("defaultOption")
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of input: ident("defaultInput")
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var newPref = quote do:
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Pref(kind: `kind`, name: `name`, label: `label`, `defaultField`: `default`)
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for node in pref[3]:
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if node.kind == nnkCall:
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newPref.add nnkExprColonExpr.newTree(node[0], node[1][0])
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table[^1][1][1].add newPref
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let name = ident("prefList")
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result = quote do:
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const `name`* = toOrderedTable(`table`)
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genPrefs:
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Privacy:
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replaceTwitter(input, "nitter.net"):
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"Replace Twitter links with Nitter (blank to disable)"
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placeholder: "Nitter hostname"
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replaceYouTube(input, "invidio.us"):
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"Replace YouTube links with Invidious (blank to disable)"
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placeholder: "Invidious hostname"
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Media:
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mp4Playback(checkbox, true):
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"Enable mp4 video playback"
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hlsPlayback(checkbox, false):
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"Enable hls video streaming (requires JavaScript)"
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proxyVideos(checkbox, true):
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"Proxy video streaming through the server (might be slow)"
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muteVideos(checkbox, false):
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"Mute videos by default"
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autoplayGifs(checkbox, true):
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"Autoplay gifs"
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Display:
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theme(select, "Nitter"):
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"Theme"
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stickyProfile(checkbox, true):
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"Make profile sidebar stick to top"
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hideTweetStats(checkbox, false):
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"Hide tweet stats (replies, retweets, likes)"
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hideBanner(checkbox, false):
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"Hide profile banner"
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hidePins(checkbox, false):
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"Hide pinned tweets"
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hideReplies(checkbox, false):
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"Hide tweet replies"
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iterator allPrefs*(): Pref =
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for k, v in prefList:
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for pref in v:
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yield pref
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macro genDefaultPrefs*(): untyped =
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result = nnkObjConstr.newTree(ident("Prefs"))
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for pref in allPrefs():
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let default =
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case pref.kind
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of checkbox: newLit(pref.defaultState)
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of select: newLit(pref.defaultOption)
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of input: newLit(pref.defaultInput)
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result.add nnkExprColonExpr.newTree(ident(pref.name), default)
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macro genUpdatePrefs*(): untyped =
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result = nnkStmtList.newTree()
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for pref in allPrefs():
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let ident = ident(pref.name)
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let value = nnkPrefix.newTree(ident("@"), newLit(pref.name))
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case pref.kind
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of checkbox:
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result.add quote do: prefs.`ident` = `value` == "on"
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of input:
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result.add quote do: prefs.`ident` = xmltree.escape(strip(`value`))
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of select:
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let name = pref.name
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let options = pref.options
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let default = pref.defaultOption
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result.add quote do:
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if `name` == "theme": prefs.`ident` = `value`
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elif `value` in `options`: prefs.`ident` = `value`
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else: prefs.`ident` = `default`
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result.add quote do:
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cache(prefs)
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macro genPrefsType*(): untyped =
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let name = nnkPostfix.newTree(ident("*"), ident("Prefs"))
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result = quote do:
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type `name` = object
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id* {.pk, ro.}: int
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for pref in allPrefs():
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result[0][2][2].add nnkIdentDefs.newTree(
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nnkPostfix.newTree(ident("*"), ident(pref.name)),
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(case pref.kind
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of checkbox: ident("bool")
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of input, select: ident("string")),
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newEmptyNode())
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