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import tables
import os
import strutils
import streams
import config/toml
import utils/twtstr
type
TwtAction* =
enum
NO_ACTION,
ACTION_FEED_NEXT,
ACTION_QUIT,
ACTION_CURSOR_UP, ACTION_CURSOR_DOWN, ACTION_CURSOR_LEFT, ACTION_CURSOR_RIGHT,
ACTION_CURSOR_LINEEND, ACTION_CURSOR_LINEBEGIN,
ACTION_CURSOR_NEXT_WORD, ACTION_CURSOR_PREV_WORD,
ACTION_CURSOR_NEXT_LINK, ACTION_CURSOR_PREV_LINK,
ACTION_PAGE_DOWN, ACTION_PAGE_UP, ACTION_PAGE_LEFT, ACTION_PAGE_RIGHT,
ACTION_HALF_PAGE_DOWN, ACTION_HALF_PAGE_UP,
ACTION_SCROLL_DOWN, ACTION_SCROLL_UP, ACTION_SCROLL_LEFT, ACTION_SCROLL_RIGHT,
ACTION_CLICK,
ACTION_CHANGE_LOCATION,
ACTION_RELOAD, ACTION_RESHAPE, ACTION_REDRAW, ACTION_TOGGLE_SOURCE,
ACTION_CURSOR_FIRST_LINE, ACTION_CURSOR_LAST_LINE,
ACTION_CURSOR_TOP, ACTION_CURSOR_MIDDLE, ACTION_CURSOR_BOTTOM,
ACTION_CENTER_LINE, ACTION_LINE_INFO,
ACTION_LINED_SUBMIT, ACTION_LINED_CANCEL,
ACTION_LINED_BACKSPACE, ACTION_LINED_DELETE,
ACTION_LINED_CLEAR, ACTION_LINED_KILL, ACTION_LINED_KILL_WORD,
ACTION_LINED_BACK, ACTION_LINED_FORWARD,
ACTION_LINED_PREV_WORD, ACTION_LINED_NEXT_WORD,
ACTION_LINED_BEGIN, ACTION_LINED_END,
ACTION_LINED_ESC
ActionMap = Table[string, TwtAction]
Config = object
nmap*: ActionMap
lemap*: ActionMap
stylesheet*: string
func getRealKey(key: string): string =
var realk: string
var control = 0
var meta = 0
var skip = false
for c in key:
if c == '\\':
skip = true
elif skip:
realk &= c
skip = false
elif c == 'M' and meta == 0:
inc meta
elif c == 'C' and control == 0:
inc control
elif c == '-' and control == 1:
inc control
elif c == '-' and meta == 1:
inc meta
elif meta == 1:
realk &= 'M' & c
meta = 0
elif meta == 2:
realk &= '\e'
realk &= c
meta = 0
elif control == 1:
realk &= 'C' & c
control = 0
elif control == 2:
realk &= getControlChar(c)
control = 0
else:
realk &= c
if control == 1:
realk &= 'C'
if meta == 1:
realk &= 'M'
return realk
func constructActionTable*(origTable: ActionMap): ActionMap =
var newTable: ActionMap
var strs: seq[string]
for k in origTable.keys:
let realk = getRealKey(k)
var teststr = ""
for c in realk:
teststr &= c
strs.add(teststr)
for k, v in origTable:
let realk = getRealKey(k)
var teststr = ""
for c in realk:
teststr &= c
if strs.contains(teststr):
newTable[teststr] = ACTION_FEED_NEXT
newTable[realk] = v
return newTable
func getAction(s: string): TwtAction =
if s == "NULL":
return NO_ACTION
return parseEnum[TwtAction]("ACTION_" & s)
func getLineAction(s: string): TwtAction =
if s == "NULL":
return NO_ACTION
return parseEnum[TwtAction]("ACTION_LINED_" & s)
proc readUserStylesheet(dir: string, file: string): string =
if file.len == 0:
return ""
if file[0] == '~' or file[0] == '/':
var f: File
if f.open(expandPath(file)):
result = f.readAll()
f.close()
else:
var f: File
if f.open(dir / file):
result = f.readAll()
f.close()
proc parseConfig(config: var Config, dir: string, t: TomlValue) =
if "page" in t:
for k, v in t["page"].pairs:
config.nmap[getRealKey(k)] = getAction(v.s)
for k, v in t["line"].pairs:
config.lemap[getRealKey(k)] = getLineAction(v.s)
if "stylesheet" in t:
config.stylesheet = readUserStylesheet(dir, t["stylesheet"].s)
proc staticReadConfig(): Config =
result.parseConfig("res", parseToml(newStringStream(staticRead"res/config.toml")))
const defaultConfig = staticReadConfig()
var gconfig* = defaultConfig
proc readConfig(dir: string) =
let fs = newFileStream(dir / "config.toml")
if fs != nil:
gconfig.parseConfig(dir, parseToml(fs))
proc getNormalAction*(s: string): TwtAction =
if gconfig.nmap.hasKey(s):
return gconfig.nmap[s]
return NO_ACTION
proc getLinedAction*(s: string): TwtAction =
if gconfig.lemap.hasKey(s):
return gconfig.lemap[s]
return NO_ACTION
proc readConfig*() =
when defined(debug):
readConfig(getCurrentDir() / "res")
readConfig(getConfigDir() / "twt")
gconfig.nmap = constructActionTable(gconfig.nmap)
gconfig.lemap = constructActionTable(gconfig.lemap)
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