forked from KolibriOS/kolibrios
39f57c29f2
Args: minor fix API._NEW, KOSAPI.malloc: mem_commit ConsoleLib: add set_title procedure KOSAPI, Debug, Out: optimize for size kfonts: text clipping git-svn-id: svn://kolibrios.org@6647 a494cfbc-eb01-0410-851d-a64ba20cac60
100 lines
2.4 KiB
Plaintext
100 lines
2.4 KiB
Plaintext
(*
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Copyright 2016 Anton Krotov
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*)
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MODULE Args;
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IMPORT sys := SYSTEM, KOSAPI;
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CONST
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MAX_PARAM = 1024;
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VAR
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Params: ARRAY MAX_PARAM, 2 OF INTEGER;
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argc*: INTEGER;
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PROCEDURE GetChar(adr: INTEGER): CHAR;
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VAR res: CHAR;
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BEGIN
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sys.GET(adr, res)
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RETURN res
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END GetChar;
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PROCEDURE ParamParse;
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VAR p, count, name: INTEGER; c: CHAR; cond: INTEGER;
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PROCEDURE ChangeCond(A, B, C: INTEGER);
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BEGIN
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IF (c <= 20X) & (c # 0X) THEN
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cond := A
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ELSIF c = 22X THEN
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cond := B
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ELSIF c = 0X THEN
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cond := 6
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ELSE
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cond := C
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END
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END ChangeCond;
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BEGIN
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p := KOSAPI.GetCommandLine();
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name := KOSAPI.GetName();
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Params[0, 0] := name;
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WHILE GetChar(name) # 0X DO
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INC(name)
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END;
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Params[0, 1] := name - 1;
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cond := 0;
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count := 1;
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WHILE (argc < MAX_PARAM) & (cond # 6) DO
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c := GetChar(p);
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CASE cond OF
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|0: ChangeCond(0, 4, 1); IF cond = 1 THEN Params[count, 0] := p END
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|1: ChangeCond(0, 3, 1); IF cond IN {0, 6} THEN Params[count, 1] := p - 1; INC(count) END
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|3: ChangeCond(3, 1, 3); IF cond = 6 THEN Params[count, 1] := p - 1; INC(count) END
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|4: ChangeCond(5, 0, 5); IF cond = 5 THEN Params[count, 0] := p END
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|5: ChangeCond(5, 1, 5); IF cond = 6 THEN Params[count, 1] := p - 1; INC(count) END
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ELSE
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END;
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INC(p)
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END;
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argc := count
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END ParamParse;
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PROCEDURE GetArg*(n: INTEGER; VAR s: ARRAY OF CHAR);
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VAR i, j, len: INTEGER; c: CHAR;
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BEGIN
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j := 0;
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IF n < argc THEN
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len := LEN(s) - 1;
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i := Params[n, 0];
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WHILE (j < len) & (i <= Params[n, 1]) DO
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c := GetChar(i);
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IF c # 22X THEN
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s[j] := c;
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INC(j)
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END;
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INC(i);
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END;
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END;
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s[j] := 0X
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END GetArg;
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BEGIN
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ParamParse
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END Args. |