1 files changed, 0 insertions, 294 deletions
diff --git a/nim/nstrtabs.pas b/nim/nstrtabs.pas
deleted file mode 100755
index bcb10f2ed..000000000
--- a/nim/nstrtabs.pas
+++ /dev/null
@@ -1,294 +0,0 @@
-//
-//
-//            Nimrod's Runtime Library
-//        (c) Copyright 2008 Andreas Rumpf
-//
-//    See the file "copying.txt", included in this
-//    distribution, for details about the copyright.
-//
-unit nstrtabs;
-
-// String tables.
-
-interface
-
-{$include 'config.inc'}
-
-uses
-  nsystem, nos, nhashes, strutils;
-
-type
-  TStringTableMode = (
-    modeCaseSensitive,   // the table is case sensitive
-    modeCaseInsensitive, // the table is case insensitive
-    modeStyleInsensitive // the table is style insensitive
-  );
-  TKeyValuePair = record{@tuple}
-    key, val: string;
-  end;
-  TKeyValuePairSeq = array of TKeyValuePair;
-  TStringTable = object(NObject)
-    counter: int;
-    data: TKeyValuePairSeq;
-    mode: TStringTableMode;
-  end;
-  PStringTable = ^TStringTable;
-
-function newStringTable(const keyValuePairs: array of string;
-            mode: TStringTableMode = modeCaseSensitive): PStringTable;
-
-procedure put(t: PStringTable; const key, val: string);
-function get(t: PStringTable; const key: string): string;
-function hasKey(t: PStringTable; const key: string): bool;
-function len(t: PStringTable): int;
-
-type
-  TFormatFlag = (
-    useEnvironment, // use environment variable if the ``$key``
-                    // is not found in the table
-    useEmpty,       // use the empty string as a default, thus it
-                    // won't throw an exception if ``$key`` is not
-                    // in the table
-    useKey          // do not replace ``$key`` if it is not found
-                    // in the table (or in the environment)
-  );
-  TFormatFlags = set of TFormatFlag;
-
-function format(const f: string; t: PStringTable;
-                flags: TFormatFlags = {@set}[]): string;
-
-implementation
-
-const
-  growthFactor = 2;
-  startSize = 64;
-
-{@ignore}
-function isNil(const s: string): bool;
-begin
-  result := s = ''
-end;
-{@emit}
-
-function newStringTable(const keyValuePairs: array of string;
-            mode: TStringTableMode = modeCaseSensitive): PStringTable;
-var
-  i: int;
-begin
-  new(result);
-  result.mode := mode;
-  result.counter := 0;
-{@ignore}
-  setLength(result.data, startSize);
-  fillChar(result.data[0], length(result.data)*sizeof(result.data[0]), 0);
-{@emit
-  newSeq(result.data, startSize); }
-  i := 0;
-  while i < high(keyValuePairs) do begin
-    put(result, keyValuePairs[i], keyValuePairs[i+1]);
-    inc(i, 2);
-  end
-end;
-
-function myhash(t: PStringTable; const key: string): THash;
-begin
-  case t.mode of
-    modeCaseSensitive: result := nhashes.GetHashStr(key);
-    modeCaseInsensitive: result := nhashes.GetHashStrCI(key);
-    modeStyleInsensitive: result := nhashes.getNormalizedHash(key);
-  end
-end;
-
-function myCmp(t: PStringTable; const a, b: string): bool;
-begin
-  case t.mode of
-    modeCaseSensitive: result := cmp(a, b) = 0;
-    modeCaseInsensitive: result := cmpIgnoreCase(a, b) = 0;
-    modeStyleInsensitive: result := cmpIgnoreStyle(a, b) = 0;
-  end
-end;
-
-function mustRehash(len, counter: int): bool;
-begin
-  assert(len > counter);
-  result := (len * 2 < counter * 3) or (len-counter < 4);
-end;
-
-function len(t: PStringTable): int;
-begin
-  result := t.counter
-end;
-
-{@ignore}
-const
-  EmptySeq = nil;
-{@emit
-const
-  EmptySeq = [];
-}
-
-function nextTry(h, maxHash: THash): THash;
-begin
-  result := ((5*h) + 1) and maxHash;
-  // For any initial h in range(maxHash), repeating that maxHash times
-  // generates each int in range(maxHash) exactly once (see any text on
-  // random-number generation for proof).
-end;
-
-function RawGet(t: PStringTable; const key: string): int;
-var
-  h: THash;
-begin
-  h := myhash(t, key) and high(t.data); // start with real hash value
-  while not isNil(t.data[h].key) do begin
-    if mycmp(t, t.data[h].key, key) then begin
-      result := h; exit
-    end;
-    h := nextTry(h, high(t.data))
-  end;
-  result := -1
-end;
-
-function get(t: PStringTable; const key: string): string;
-var
-  index: int;
-begin
-  index := RawGet(t, key);
-  if index >= 0 then result := t.data[index].val
-  else result := ''
-end;
-
-function hasKey(t: PStringTable; const key: string): bool;
-begin
-  result := rawGet(t, key) >= 0
-end;
-
-procedure RawInsert(t: PStringTable;
-                    var data: TKeyValuePairSeq;
-                    const key, val: string);
-var
-  h: THash;
-begin
-  h := myhash(t, key) and high(data);
-  while not isNil(data[h].key) do begin
-    h := nextTry(h, high(data))
-  end;
-  data[h].key := key;
-  data[h].val := val;
-end;
-
-procedure Enlarge(t: PStringTable);
-var
-  n: TKeyValuePairSeq;
-  i: int;
-begin
-{@ignore}
-  n := emptySeq;
-  setLength(n, length(t.data) * growthFactor);
-  fillChar(n[0], length(n)*sizeof(n[0]), 0);
-{@emit
-  newSeq(n, length(t.data) * growthFactor); }
-  for i := 0 to high(t.data) do
-    if not isNil(t.data[i].key) then
-      RawInsert(t, n, t.data[i].key, t.data[i].val);
-{@ignore}
-  t.data := n;
-{@emit
-  swap(t.data, n);
-}
-end;
-
-procedure Put(t: PStringTable; const key, val: string);
-var
-  index: int;
-begin
-  index := RawGet(t, key);
-  if index >= 0 then
-    t.data[index].val := val
-  else begin
-    if mustRehash(length(t.data), t.counter) then Enlarge(t);
-    RawInsert(t, t.data, key, val);
-    inc(t.counter)
-  end;
-end;
-
-{@ignore}
-type
-  EInvalidValue = int; // dummy for the Pascal compiler
-{@emit}
-
-procedure RaiseFormatException(const s: string);
-var
-  e: ^EInvalidValue;
-begin
-{@ignore}
-  raise EInvalidFormatStr.create(s);
-{@emit
-  new(e);}
-{@emit
-  e.msg := 'format string: key not found: ' + s;}
-{@emit
-  raise e;}
-end;
-
-function getValue(t: PStringTable; flags: TFormatFlags;
-                  const key: string): string;
-begin
-  if hasKey(t, key) then begin
-    result := get(t, key); exit
-  end;
-  if useEnvironment in flags then
-    result := nos.getEnv(key)
-  else
-    result := '';
-  if (result = '') then begin
-    if useKey in flags then result := '$' + key
-    else if not (useEmpty in flags) then
-      raiseFormatException(key)
-  end
-end;
-
-function format(const f: string; t: PStringTable;
-                flags: TFormatFlags = {@set}[]): string;
-const
-  PatternChars = ['a'..'z', 'A'..'Z', '0'..'9', '_', #128..#255];
-var
-  i, j: int;
-  key: string;
-begin
-  result := '';
-  i := strStart;
-  while i <= length(f)+strStart-1 do
-    if f[i] = '$' then begin
-      case f[i+1] of
-        '$': begin
-          addChar(result, '$');
-          inc(i, 2);
-        end;
-        '{': begin
-          j := i+1;
-          while (j <= length(f)+strStart-1) and (f[j] <> '}') do inc(j);
-          key := ncopy(f, i+2+strStart-1, j-1+strStart-1);
-          add(result, getValue(t, flags, key));
-          i := j+1
-        end;
-        'a'..'z', 'A'..'Z', #128..#255, '_': begin
-          j := i+1;
-          while (j <= length(f)+strStart-1) and (f[j] in PatternChars) do inc(j);
-          key := ncopy(f, i+1+strStart-1, j-1+strStart-1);
-          add(result, getValue(t, flags, key));
-          i := j
-        end
-        else begin
-          addChar(result, f[i]);
-          inc(i)
-        end
-      end
-    end
-    else begin
-      addChar(result, f[i]);
-      inc(i)
-    end
-end;
-
-end.