Reorganize imports

1 files changed, 165 insertions, 0 deletions

diff --git a/src/config/config.nim b/src/config/config.nim
new file mode 100644
index 00000000..5a49bb34
--- /dev/null
+++ b/src/config/config.nim
@@ -0,0 +1,165 @@
+import tables
+import os
+import strutils
+
+import utils/twtstr
+import utils/radixtree
+
+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_NODE, ACTION_CURSOR_PREV_NODE,
+    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_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_COMPOSE_TOGGLE, ACTION_LINED_ESC
+
+  ActionMap = Table[string, TwtAction]
+  StaticConfig = object
+    nmap: ActionMap
+    lemap: ActionMap
+    cmap: Table[string, string]
+
+  Config = object
+    nmap*: ActionMap
+    lemap*: ActionMap
+    cmap*: RadixNode[string]
+
+func getConfig(s: StaticConfig): Config =
+  return Config(nmap: s.nmap, lemap: s.lemap, cmap: s.cmap.toRadixTree())
+
+func getRealKey(key: string): string =
+  var realk: string
+  var currchar: char
+  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':
+      inc meta
+      currchar = c
+    elif c == 'C':
+      inc control
+      currchar = c
+    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
+
+proc parseConfigLine[T](line: string, config: var T) =
+  if line.len == 0 or line[0] == '#':
+    return
+  let cmd = line.split(' ')
+  if cmd.len == 3:
+    if cmd[0] == "nmap":
+      config.nmap[getRealKey(cmd[1])] = parseEnum[TwtAction]("ACTION_" & cmd[2])
+    elif cmd[0] == "lemap":
+      config.lemap[getRealKey(cmd[1])] = parseEnum[TwtAction]("ACTION_" & cmd[2])
+    elif cmd[0] == "comp":
+      config.cmap[getRealKey(cmd[1])] = cmd[2]
+
+proc staticReadConfig(): StaticConfig =
+  let default = staticRead"res/config"
+  for line in default.split('\n'):
+    parseConfigLine(line, result)
+
+  result.nmap = constructActionTable(result.nmap)
+  result.lemap = constructActionTable(result.lemap)
+
+const defaultConfig = staticReadConfig()
+var gconfig* = getConfig(defaultConfig)
+
+proc readConfig(filename: string) =
+  var f: File
+  let status = f.open(filename, fmRead)
+  var nmap: ActionMap
+  var lemap: ActionMap
+  var compose: Table[string, string]
+  if status:
+    var line: TaintedString
+    while f.readLine(line):
+      parseConfigLine(line, gconfig)
+
+    gconfig.nmap = constructActionTable(nmap)
+    gconfig.lemap = constructActionTable(lemap)
+    gconfig.cmap = compose.toRadixTree()
+
+proc readConfig*() =
+  when defined(debug):
+    readConfig("res" / "config")
+  readConfig(getConfigDir() / "twt" / "config")
+
+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
+