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/**************** json H Declares Source Code File (.H) ****************/
/* Name: json.h Version 1.0 */
/* */
/* (C) Copyright to the author Olivier BERTRAND 2014 - 2015 */
/* */
/* This file contains the JSON classes declares. */
/***********************************************************************/
#include "value.h"
#if defined(_DEBUG)
#define X assert(false);
#else
#define X
#endif
enum JTYP {TYPE_STRG = 1,
TYPE_DBL = 2,
TYPE_BOOL = 4,
TYPE_INTG = 7,
TYPE_JSON = 12,
TYPE_JAR, TYPE_JOB,
TYPE_JVAL};
class JOUT;
class JSON;
class JMAP;
class JVALUE;
class JOBJECT;
class JARRAY;
typedef class JPAIR *PJPR;
typedef class JSON *PJSON;
typedef class JVALUE *PJVAL;
typedef class JOBJECT *PJOB;
typedef class JARRAY *PJAR;
typedef struct {
char *str;
int len;
} STRG, *PSG;
PJSON ParseJson(PGLOBAL g, char *s, int n, int prty, bool *b = NULL);
PJAR ParseArray(PGLOBAL g, int& i, STRG& src);
PJOB ParseObject(PGLOBAL g, int& i, STRG& src);
PJVAL ParseValue(PGLOBAL g, int& i, STRG& src);
char *ParseString(PGLOBAL g, int& i, STRG& src);
PVAL ParseNumeric(PGLOBAL g, int& i, STRG& src);
PSZ Serialize(PGLOBAL g, PJSON jsp, FILE *fs, int pretty);
bool SerializeArray(JOUT *js, PJAR jarp, bool b);
bool SerializeObject(JOUT *js, PJOB jobp);
bool SerializeValue(JOUT *js, PJVAL jvp);
/***********************************************************************/
/* Class JOUT. Used by Serialize. */
/***********************************************************************/
class JOUT : public BLOCK {
public:
JOUT(PGLOBAL gp) : BLOCK() {g = gp;}
virtual bool WriteStr(const char *s) = 0;
virtual bool WriteChr(const char c) = 0;
virtual bool Escape(const char *s) = 0;
// Member
PGLOBAL g;
}; // end of class JOUT
/***********************************************************************/
/* Class JOUTSTR. Used to Serialize to a string. */
/***********************************************************************/
class JOUTSTR : public JOUT {
public:
JOUTSTR(PGLOBAL g);
virtual bool WriteStr(const char *s);
virtual bool WriteChr(const char c);
virtual bool Escape(const char *s);
// Member
char *Strp; // The serialized string
size_t N; // Position of next char
size_t Max; // String max size
}; // end of class JOUTSTR
/***********************************************************************/
/* Class JOUTFILE. Used to Serialize to a file. */
/***********************************************************************/
class JOUTFILE : public JOUT {
public:
JOUTFILE(PGLOBAL g, FILE *str) : JOUT(g) {Stream = str;}
virtual bool WriteStr(const char *s);
virtual bool WriteChr(const char c);
virtual bool Escape(const char *s);
// Member
FILE *Stream;
}; // end of class JOUTFILE
/***********************************************************************/
/* Class JOUTPRT. Used to Serialize to a pretty file. */
/***********************************************************************/
class JOUTPRT : public JOUTFILE {
public:
JOUTPRT(PGLOBAL g, FILE *str) : JOUTFILE(g, str) {M = 0; B = false;}
virtual bool WriteStr(const char *s);
virtual bool WriteChr(const char c);
// Member
int M;
bool B;
}; // end of class JOUTPRT
/***********************************************************************/
/* Class PAIR. The pairs of a json Object. */
/***********************************************************************/
class JPAIR : public BLOCK {
friend class JOBJECT;
friend PJOB ParseObject(PGLOBAL, int&, STRG&);
friend bool SerializeObject(JOUT *, PJOB);
public:
JPAIR(PSZ key) : BLOCK() {Key = key; Val = NULL; Next = NULL;}
protected:
PSZ Key; // This pair key name
PJVAL Val; // To the value of the pair
PJPR Next; // To the next pair
}; // end of class JPAIR
/***********************************************************************/
/* Class JSON. The base class for all other json classes. */
/***********************************************************************/
class JSON : public BLOCK {
public:
JSON(void) {Size = 0;}
int size(void) {return Size;}
virtual void Clear(void) {Size = 0;}
virtual JTYP GetType(void) {return TYPE_JSON;}
virtual JTYP GetValType(void) {X return TYPE_JSON;}
virtual void InitArray(PGLOBAL g) {X}
virtual PJVAL AddValue(PGLOBAL g, PJVAL jvp = NULL) {X return NULL;}
virtual PJPR AddPair(PGLOBAL g, PSZ key) {X return NULL;}
virtual PJVAL GetValue(const char *key) {X return NULL;}
virtual PJOB GetObject(void) {X return NULL;}
virtual PJAR GetArray(void) {X return NULL;}
virtual PJVAL GetValue(int i) {X return NULL;}
virtual PVAL GetValue(void) {X return NULL;}
virtual PJSON GetJson(void) {X return NULL;}
virtual int GetInteger(void) {X return 0;}
virtual double GetFloat() {X return 0.0;}
virtual PSZ GetString() {X return NULL;}
virtual PSZ GetText(PGLOBAL g) {X return NULL;}
virtual bool SetValue(PGLOBAL g, PJVAL jvp, int i) {X return true;}
virtual void SetValue(PGLOBAL g, PJVAL jvp, PSZ key) {X}
virtual void SetValue(PVAL valp) {X}
virtual void SetValue(PJSON jsp) {X}
virtual bool DeleteValue(int i) {X return true;}
protected:
int Size;
}; // end of class JSON
/***********************************************************************/
/* Class JOBJECT: contains a list of value pairs. */
/***********************************************************************/
class JOBJECT : public JSON {
friend PJOB ParseObject(PGLOBAL, int&, STRG&);
friend bool SerializeObject(JOUT *, PJOB);
public:
JOBJECT(void) : JSON() {First = Last = NULL;}
virtual void Clear(void) {First = Last = NULL; Size = 0;}
virtual JTYP GetType(void) {return TYPE_JOB;}
virtual PJPR AddPair(PGLOBAL g, PSZ key);
virtual PJOB GetObject(void) {return this;}
virtual PJVAL GetValue(const char* key);
virtual PSZ GetText(PGLOBAL g);
virtual void SetValue(PGLOBAL g, PJVAL jvp, PSZ key);
protected:
PJPR First;
PJPR Last;
}; // end of class JOBJECT
/***********************************************************************/
/* Class JARRAY. */
/***********************************************************************/
class JARRAY : public JSON {
friend PJAR ParseArray(PGLOBAL, int&, STRG&);
public:
JARRAY(void) : JSON() {Alloc = 0; First = Last = NULL; Mvals = NULL;}
virtual void Clear(void) {First = Last = NULL; Size = 0;}
virtual JTYP GetType(void) {return TYPE_JAR;}
virtual PJAR GetArray(void) {return this;}
virtual PJVAL AddValue(PGLOBAL g, PJVAL jvp = NULL);
virtual void InitArray(PGLOBAL g);
virtual PJVAL GetValue(int i);
virtual bool SetValue(PGLOBAL g, PJVAL jvp, int i);
virtual bool DeleteValue(int n);
protected:
// Members
int Alloc; // The Mvals allocated size
PJVAL First; // Used when constructing
PJVAL Last; // Last constructed value
PJVAL *Mvals; // Allocated when finished
}; // end of class JARRAY
/***********************************************************************/
/* Class JVALUE. */
/***********************************************************************/
class JVALUE : public JSON {
friend class JARRAY;
friend PJVAL ParseValue(PGLOBAL, int&, STRG&);
friend bool SerializeValue(JOUT *, PJVAL);
public:
JVALUE(void) : JSON()
{Jsp = NULL; Value = NULL; Next = NULL; Del = false;}
JVALUE(PJSON jsp) : JSON()
{Jsp = jsp; Value = NULL; Next = NULL; Del = false;}
JVALUE(PGLOBAL g, PVAL valp);
virtual void Clear(void)
{Jsp = NULL; Value = NULL; Next = NULL; Del = false; Size = 0;}
virtual JTYP GetType(void) {return TYPE_JVAL;}
virtual JTYP GetValType(void);
virtual PJOB GetObject(void);
virtual PJAR GetArray(void);
virtual PVAL GetValue(void) {return Value;}
virtual PJSON GetJson(void) {return (Jsp ? Jsp : this);}
virtual int GetInteger(void);
virtual double GetFloat(void);
virtual PSZ GetString(void);
virtual void SetValue(PVAL valp) {Value = valp;}
virtual void SetValue(PJSON jsp) {Jsp = jsp;}
protected:
PJSON Jsp; // To the json value
PVAL Value; // The numeric value
PJVAL Next; // Next value in array
bool Del; // True when deleted
}; // end of class JVALUE
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