Objeck Classes

StreamParser

Event driven stream JSON parser

Operations

New
AtLevel
FindElement
GetLevel
GetType
GetTypeName
GetTypeValue
Next

Code example:

stream := FileReader->New(filename);
if(stream->IsOpen()) {
  parser := StreamParser->New(stream);

  found := false;
  do {
    if(parser->FindElement("Value", 4)) {
      parser->Next();
      if(parser->GetTypeValue()->Equals("{d4db6850-5385-11d0-89e9-00a0c90a90ac}")) {
        found := true;
      };
    };
  }
  while(<>found & parser->Next());

  parser->GetTypeValue()->PrintLine();
};

stream->Close();

New

Constructor

New(input:InputStream)

Parameters

Name	Type	Description
input	InputStream	input stream

AtLevel

Checks the current parse level

method : public : AtLevel(level:Int) ~ Bool

Parameters

Name	Type	Description
level	Int	parse level

Return

Type	Description
Bool	current parse level

FindElement

Find element by name

method : public : FindElement(name:String) ~ Bool

Parameters

Name	Type	Description
name	String	element by name

Return

Type	Description
Bool	true if found, false otherwise

Find element by name

method : public : FindElement(name:String, level:Int) ~ Bool

Parameters

Name	Type	Description
name	String	element by name
level	Int	element level

Return

Type	Description
Bool	true if found, false otherwise

Find element by type

method : public : FindElement(type:StreamParser->Type) ~ Bool

Parameters

Name	Type	Description
type	StreamParser->Type	element by type

Return

Type	Description
Bool	true if found, false otherwise

Find element by type

method : public : FindElement(type:StreamParser->Type, level:Int) ~ Bool

Parameters

Name	Type	Description
type	StreamParser->Type	element by type
level	Int	element level

Return

Type	Description
Bool	true if found, false otherwise

GetLevel

Get JSON parse level. Level increase as objects and arrays are parsed.

method : public : GetLevel() ~ Int

Return

Type	Description
Int	JSON parse level

GetType

Get JSON type

method : public : GetType() ~ StreamParser->Type

Return

Type	Description
StreamParser->Type	JSON type

GetTypeName

Get JSON type name

method : public : GetTypeName() ~ String

Return

Type	Description
String	JSON type name

GetTypeValue

Get JSON values

method : public : GetTypeValue() ~ String

Return

Type	Description
String	JSON value if it exists, blank string otherwise

Checks for the next JSON token

method : public : Next() ~ Bool

Return

Type	Description
Bool	true if next token exists, false otherwise