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JSON parser parses nested variables

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This commit is contained in:
Ruben Shekspir 2019-05-08 23:38:56 +04:00
parent 7576130b76
commit 7a05c9b3e8
2 changed files with 69 additions and 5 deletions
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1
FileManager.Mod
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@ -4,7 +4,6 @@ IMPORT Files, Out, Logger, Strings;
PROCEDURE WriteString(VAR r : Files.Rider; str : ARRAY OF CHAR); PROCEDURE WriteString(VAR r : Files.Rider; str : ARRAY OF CHAR);
BEGIN BEGIN
Files.WriteBytes(r, str, Strings.Length(str)); Files.WriteBytes(r, str, Strings.Length(str));
Logger.Log(str);
END WriteString; END WriteString;
PROCEDURE Read*(fileName: ARRAY OF CHAR; VAR returnString: ARRAY OF CHAR): BOOLEAN; PROCEDURE Read*(fileName: ARRAY OF CHAR; VAR returnString: ARRAY OF CHAR): BOOLEAN;

73
JsonParser.Mod
View file

@ -1,5 +1,5 @@
MODULE JsonParser; MODULE JsonParser;
IMPORT Logger, CharacterStack, Strings, Out; IMPORT Logger, CharacterStack, Strings, Out, strutils;
CONST CONST
ArrayMaxNumber = 100; ArrayMaxNumber = 100;
(* Const *) (* Const *)
@ -18,6 +18,8 @@ TYPE
GetNonTerminal* : PROCEDURE(self : JsonTypePointer; key : ARRAY OF CHAR): JsonTypePointer; GetNonTerminal* : PROCEDURE(self : JsonTypePointer; key : ARRAY OF CHAR): JsonTypePointer;
HasKey* : PROCEDURE(self : JsonTypePointer; key : ARRAY OF CHAR): BOOLEAN; HasKey* : PROCEDURE(self : JsonTypePointer; key : ARRAY OF CHAR): BOOLEAN;
TypeOfTheKey* : PROCEDURE(self : JsonTypePointer; key : ARRAY OF CHAR; VAR returnValue : ARRAY OF CHAR); TypeOfTheKey* : PROCEDURE(self : JsonTypePointer; key : ARRAY OF CHAR; VAR returnValue : ARRAY OF CHAR);
GetTerminalKeys* : PROCEDURE(self : JsonTypePointer;VAR destination : ARRAY OF TString);
GetNoneTerminalKeys* : PROCEDURE(self : JsonTypePointer; VAR destination : ARRAY OF TString);
TerminalKeys : ARRAY ArrayMaxNumber OF TString; TerminalKeys : ARRAY ArrayMaxNumber OF TString;
TerminalsValues : ARRAY ArrayMaxNumber OF TString; TerminalsValues : ARRAY ArrayMaxNumber OF TString;
@ -30,16 +32,70 @@ VAR
jsonRecord: JsonTypePointer; jsonRecord: JsonTypePointer;
testValue: ARRAY ArrayMaxNumber OF CHAR; testValue: ARRAY ArrayMaxNumber OF CHAR;
keyFound: BOOLEAN; keyFound: BOOLEAN;
PROCEDURE GetNonTerminal(self : JsonTypePointer; key : ARRAY OF CHAR): JsonTypePointer;
VAR
i: LONGINT;
BEGIN
FOR i := 0 TO LEN(self.NonTerminalKeys) - 1 DO
IF Strings.Match(key, self.NonTerminalKeys[i]) THEN RETURN self.NonTerminalValues[i] END;
END;
RETURN NIL;
END GetNonTerminal;
PROCEDURE GetTerminal *(self: JsonTypePointer; key: ARRAY OF CHAR; VAR returnValue: ARRAY OF CHAR): BOOLEAN; PROCEDURE GetTerminal *(self: JsonTypePointer; key: ARRAY OF CHAR; VAR returnValue: ARRAY OF CHAR): BOOLEAN;
VAR VAR
i: LONGINT; i: LONGINT;
noneTerminal: JsonTypePointer;
strings: strutils.strings;
parent, children: ARRAY ArrayMaxNumber OF CHAR;
BEGIN BEGIN
FOR i := 0 TO LEN(self.TerminalKeys) - 1 DO FOR i := 0 TO LEN(self.TerminalKeys) - 1 DO
IF Strings.Match(key, self.TerminalKeys[i]) THEN COPY(self.TerminalsValues[i], returnValue); RETURN TRUE END; IF Strings.Match(key, self.TerminalKeys[i]) THEN COPY(self.TerminalsValues[i], returnValue); RETURN TRUE END;
END; END;
strings := strutils.tokenize(key, '.');
IF LEN(strings^) < 1 THEN RETURN FALSE END;
COPY(strings^[0], parent);
IF Strings.Length(parent) < 1 THEN RETURN FALSE END;
noneTerminal := jsonRecord.GetNonTerminal(self, parent);
IF noneTerminal = NIL THEN RETURN FALSE END;
FOR i := 1 TO LEN(strings^) - 1 DO
Strings.Append(strings[i], children);
IF i < LEN(strings^) - 1 THEN
Strings.Append(".", children);
END;
END;
RETURN noneTerminal.GetTerminal(noneTerminal, children, returnValue);
RETURN FALSE; RETURN FALSE;
END GetTerminal; END GetTerminal;
PROCEDURE GetTerminalKeys(self : JsonTypePointer; VAR destination : ARRAY OF TString);
VAR
i: LONGINT;
BEGIN
FOR i := 0 TO LEN(self.TerminalKeys) - 1 DO
destination[i] := self.TerminalKeys[i];
END;
END GetTerminalKeys;
PROCEDURE GetNoneTerminalKeys(self : JsonTypePointer; VAR destination : ARRAY OF TString);
VAR
i: LONGINT;
BEGIN
FOR i := 0 TO LEN(self.NonTerminalKeys) - 1 DO
destination[i] := self.NonTerminalKeys[i];
END;
END GetNoneTerminalKeys;
(* (*
TODO: TODO:
Create a good validation for comas Create a good validation for comas
@ -101,7 +157,9 @@ BEGIN
NEW(self); NEW(self);
NEW(self.NonTerminalValues, ArrayMaxNumber); NEW(self.NonTerminalValues, ArrayMaxNumber);
self.GetTerminal := GetTerminal; self.GetTerminal := GetTerminal;
self.GetNonTerminal := GetNonTerminal;
self.GetTerminalKeys := GetTerminalKeys;
self.GetNoneTerminalKeys := GetNoneTerminalKeys;
NEW(characterStack); NEW(characterStack);
characterStack := CharacterStack.Create(); characterStack := CharacterStack.Create();
@ -186,7 +244,7 @@ BEGIN
END Create; END Create;
BEGIN BEGIN
(* NEW(jsonRecord); NEW(jsonRecord);
jsonRecord := Create("{'foo': 'bar', 'test': 'test1', 'test2': {'sub': 'dub'}}"); jsonRecord := Create("{'foo': 'bar', 'test': 'test1', 'test2': {'sub': 'dub'}}");
keyFound := jsonRecord.GetTerminal(jsonRecord, "foo", testValue); keyFound := jsonRecord.GetTerminal(jsonRecord, "foo", testValue);
@ -194,5 +252,12 @@ BEGIN
IF keyFound THEN IF keyFound THEN
Logger.Log('found KEY'); Logger.Log('found KEY');
Logger.Log(testValue); Logger.Log(testValue);
ELSE Logger.Log('Value for the Key is not found') END; *) ELSE Logger.Log('Value for the Key is not found') END;
keyFound := jsonRecord.GetTerminal(jsonRecord, "test2.sub", testValue);
IF keyFound THEN
Logger.Log('found KEY');
Logger.Log(testValue);
ELSE Logger.Log('Value for the Key is not found') END;
END JsonParser. END JsonParser.