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Diffstat (limited to 'storage/connect/jsonudf.h')
-rw-r--r-- | storage/connect/jsonudf.h | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/storage/connect/jsonudf.h b/storage/connect/jsonudf.h new file mode 100644 index 00000000..4378bddf --- /dev/null +++ b/storage/connect/jsonudf.h @@ -0,0 +1,411 @@ +/******************** tabjson H Declares Source Code File (.H) *******************/ +/* Name: jsonudf.h Version 1.4 */ +/* */ +/* (C) Copyright to the author Olivier BERTRAND 2015-2020 */ +/* */ +/* This file contains the JSON UDF function and class declares. */ +/*********************************************************************************/ +#pragma once +#include "global.h" +#include "plgdbsem.h" +#include "block.h" +#include "osutil.h" +#include "maputil.h" +#include "json.h" + +#define UDF_EXEC_ARGS \ + UDF_INIT*, UDF_ARGS*, char*, unsigned long*, char*, char* + +// BSON size should be equal on Linux and Windows +#define BMX 255 +typedef struct BSON* PBSON; + +/***********************************************************************/ +/* Structure used to return binary json to Json UDF functions. */ +/***********************************************************************/ +struct BSON { + char Msg[BMX + 1]; + char *Filename; + PGLOBAL G; + int Pretty; + ulong Reslen; + my_bool Changed; + PJSON Top; + PJSON Jsp; + PBSON Bsp; +}; // end of struct BSON + +PBSON JbinAlloc(PGLOBAL g, UDF_ARGS* args, ulong len, PJSON jsp); + +/*********************************************************************************/ +/* The JSON tree node. Can be an Object or an Array. */ +/*********************************************************************************/ +typedef struct _jnode { + PSZ Key; // The key used for object + OPVAL Op; // Operator used for this node + PVAL CncVal; // To cont value used for OP_CNC + int Rank; // The rank in array + int Rx; // Read row number + int Nx; // Next to read row number +} JNODE, *PJNODE; + +typedef class JSNX *PJSNX; + +/*********************************************************************************/ +/* The JSON utility functions. */ +/*********************************************************************************/ +bool IsNum(PSZ s); +char *NextChr(PSZ s, char sep); +char *GetJsonNull(void); +uint GetJsonGrpSize(void); +my_bool JsonSubSet(PGLOBAL g, my_bool b = false); +my_bool CalcLen(UDF_ARGS* args, my_bool obj, unsigned long& reslen, + unsigned long& memlen, my_bool mod = false); +my_bool JsonInit(UDF_INIT* initid, UDF_ARGS* args, char* message, my_bool mbn, + unsigned long reslen, unsigned long memlen, + unsigned long more = 0); +my_bool CheckMemory(PGLOBAL g, UDF_INIT* initid, UDF_ARGS* args, uint n, + my_bool m, my_bool obj = false, my_bool mod = false); +PSZ MakePSZ(PGLOBAL g, UDF_ARGS* args, int i); +int IsJson(UDF_ARGS* args, uint i, bool b = false); +char *GetJsonFile(PGLOBAL g, char* fn); + +/*********************************************************************************/ +/* The JSON UDF functions. */ +/*********************************************************************************/ +extern "C" { + DllExport my_bool jsonvalue_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jsonvalue(UDF_EXEC_ARGS); + DllExport void jsonvalue_deinit(UDF_INIT*); + + DllExport my_bool json_make_array_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_make_array(UDF_EXEC_ARGS); + DllExport void json_make_array_deinit(UDF_INIT*); + + DllExport my_bool json_array_add_values_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_array_add_values(UDF_EXEC_ARGS); + DllExport void json_array_add_values_deinit(UDF_INIT*); + + DllExport my_bool json_array_add_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_array_add(UDF_EXEC_ARGS); + DllExport void json_array_add_deinit(UDF_INIT*); + + DllExport my_bool json_array_delete_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_array_delete(UDF_EXEC_ARGS); + DllExport void json_array_delete_deinit(UDF_INIT*); + + DllExport my_bool jsonsum_int_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long jsonsum_int(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsonsum_int_deinit(UDF_INIT*); + + DllExport my_bool jsonsum_real_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport double jsonsum_real(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsonsum_real_deinit(UDF_INIT*); + + DllExport my_bool jsonavg_real_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport double jsonavg_real(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsonavg_real_deinit(UDF_INIT*); + + DllExport my_bool json_make_object_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_make_object(UDF_EXEC_ARGS); + DllExport void json_make_object_deinit(UDF_INIT*); + + DllExport my_bool json_object_nonull_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_object_nonull(UDF_EXEC_ARGS); + DllExport void json_object_nonull_deinit(UDF_INIT*); + + DllExport my_bool json_object_key_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_object_key(UDF_EXEC_ARGS); + DllExport void json_object_key_deinit(UDF_INIT*); + + DllExport my_bool json_object_add_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_object_add(UDF_EXEC_ARGS); + DllExport void json_object_add_deinit(UDF_INIT*); + + DllExport my_bool json_object_delete_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_object_delete(UDF_EXEC_ARGS); + DllExport void json_object_delete_deinit(UDF_INIT*); + + DllExport my_bool json_object_list_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_object_list(UDF_EXEC_ARGS); + DllExport void json_object_list_deinit(UDF_INIT*); + + DllExport my_bool json_object_values_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_object_values(UDF_EXEC_ARGS); + DllExport void json_object_values_deinit(UDF_INIT*); + + DllExport my_bool jsonset_grp_size_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long jsonset_grp_size(UDF_INIT*, UDF_ARGS*, char*, char*); + + DllExport my_bool jsonget_grp_size_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long jsonget_grp_size(UDF_INIT*, UDF_ARGS*, char*, char*); + + DllExport my_bool json_array_grp_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport void json_array_grp_add(UDF_INIT *, UDF_ARGS *, char *, char *); + DllExport char *json_array_grp(UDF_EXEC_ARGS); + DllExport void json_array_grp_clear(UDF_INIT *, char *, char *); + DllExport void json_array_grp_deinit(UDF_INIT*); + + DllExport my_bool json_object_grp_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport void json_object_grp_add(UDF_INIT *, UDF_ARGS *, char *, char *); + DllExport char *json_object_grp(UDF_EXEC_ARGS); + DllExport void json_object_grp_clear(UDF_INIT *, char *, char *); + DllExport void json_object_grp_deinit(UDF_INIT*); + + DllExport my_bool json_item_merge_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_item_merge(UDF_EXEC_ARGS); + DllExport void json_item_merge_deinit(UDF_INIT*); + + DllExport my_bool json_get_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_get_item(UDF_EXEC_ARGS); + DllExport void json_get_item_deinit(UDF_INIT*); + + DllExport my_bool jsonget_string_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jsonget_string(UDF_EXEC_ARGS); + DllExport void jsonget_string_deinit(UDF_INIT*); + + DllExport my_bool jsonget_int_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long jsonget_int(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsonget_int_deinit(UDF_INIT*); + + DllExport my_bool jsonget_real_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport double jsonget_real(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsonget_real_deinit(UDF_INIT*); + + DllExport my_bool jsoncontains_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long jsoncontains(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsoncontains_deinit(UDF_INIT*); + + DllExport my_bool jsonlocate_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jsonlocate(UDF_EXEC_ARGS); + DllExport void jsonlocate_deinit(UDF_INIT*); + + DllExport my_bool json_locate_all_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_locate_all(UDF_EXEC_ARGS); + DllExport void json_locate_all_deinit(UDF_INIT*); + + DllExport my_bool jsoncontains_path_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long jsoncontains_path(UDF_INIT*, UDF_ARGS*, char*, char*); + DllExport void jsoncontains_path_deinit(UDF_INIT*); + + DllExport my_bool json_set_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_set_item(UDF_EXEC_ARGS); + DllExport void json_set_item_deinit(UDF_INIT*); + + DllExport my_bool json_insert_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_insert_item(UDF_EXEC_ARGS); + DllExport void json_insert_item_deinit(UDF_INIT*); + + DllExport my_bool json_update_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_update_item(UDF_EXEC_ARGS); + DllExport void json_update_item_deinit(UDF_INIT*); + + DllExport my_bool json_file_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_file(UDF_EXEC_ARGS); + DllExport void json_file_deinit(UDF_INIT*); + + DllExport my_bool jfile_make_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jfile_make(UDF_EXEC_ARGS); + DllExport void jfile_make_deinit(UDF_INIT*); + + DllExport my_bool jbin_array_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_array(UDF_EXEC_ARGS); + DllExport void jbin_array_deinit(UDF_INIT*); + + DllExport my_bool jbin_array_add_values_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_array_add_values(UDF_EXEC_ARGS); + DllExport void jbin_array_add_values_deinit(UDF_INIT*); + + DllExport my_bool jbin_array_add_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_array_add(UDF_EXEC_ARGS); + DllExport void jbin_array_add_deinit(UDF_INIT*); + + DllExport my_bool jbin_array_delete_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_array_delete(UDF_EXEC_ARGS); + DllExport void jbin_array_delete_deinit(UDF_INIT*); + + DllExport my_bool jbin_object_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_object(UDF_EXEC_ARGS); + DllExport void jbin_object_deinit(UDF_INIT*); + + DllExport my_bool jbin_object_nonull_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_object_nonull(UDF_EXEC_ARGS); + DllExport void jbin_object_nonull_deinit(UDF_INIT*); + + DllExport my_bool jbin_object_key_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_object_key(UDF_EXEC_ARGS); + DllExport void jbin_object_key_deinit(UDF_INIT*); + + DllExport my_bool jbin_object_add_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_object_add(UDF_EXEC_ARGS); + DllExport void jbin_object_add_deinit(UDF_INIT*); + + DllExport my_bool jbin_object_delete_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_object_delete(UDF_EXEC_ARGS); + DllExport void jbin_object_delete_deinit(UDF_INIT*); + + DllExport my_bool jbin_object_list_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_object_list(UDF_EXEC_ARGS); + DllExport void jbin_object_list_deinit(UDF_INIT*); + + DllExport my_bool jbin_get_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_get_item(UDF_EXEC_ARGS); + DllExport void jbin_get_item_deinit(UDF_INIT*); + + DllExport my_bool jbin_item_merge_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_item_merge(UDF_EXEC_ARGS); + DllExport void jbin_item_merge_deinit(UDF_INIT*); + + DllExport my_bool jbin_set_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_set_item(UDF_EXEC_ARGS); + DllExport void jbin_set_item_deinit(UDF_INIT*); + + DllExport my_bool jbin_insert_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_insert_item(UDF_EXEC_ARGS); + DllExport void jbin_insert_item_deinit(UDF_INIT*); + + DllExport my_bool jbin_update_item_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_update_item(UDF_EXEC_ARGS); + DllExport void jbin_update_item_deinit(UDF_INIT*); + + DllExport my_bool jbin_file_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *jbin_file(UDF_EXEC_ARGS); + DllExport void jbin_file_deinit(UDF_INIT*); + + DllExport my_bool json_serialize_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *json_serialize(UDF_EXEC_ARGS); + DllExport void json_serialize_deinit(UDF_INIT*); + + DllExport my_bool jfile_convert_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char* jfile_convert(UDF_EXEC_ARGS); + DllExport void jfile_convert_deinit(UDF_INIT*); + + DllExport my_bool jfile_bjson_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char* jfile_bjson(UDF_EXEC_ARGS); + DllExport void jfile_bjson_deinit(UDF_INIT*); + + DllExport my_bool envar_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *envar(UDF_EXEC_ARGS); + +#if defined(DEVELOPMENT) + DllExport my_bool uvar_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport char *uvar(UDF_EXEC_ARGS); +#endif // DEVELOPMENT + + DllExport my_bool countin_init(UDF_INIT*, UDF_ARGS*, char*); + DllExport long long countin(UDF_INIT*, UDF_ARGS*, char*, char*); +} // extern "C" + + +/*********************************************************************************/ +/* Structure JPN. Used to make the locate path. */ +/*********************************************************************************/ +typedef struct _jpn { + int Type; + PCSZ Key; + int N; +} JPN, *PJPN; + +/*********************************************************************************/ +/* Class JSNX: JSON access method. */ +/*********************************************************************************/ +class JSNX : public BLOCK { +public: + // Constructors + JSNX(PGLOBAL g, PJSON row, int type, int len = 64, int prec = 0, my_bool wr = false); + + // Implementation + int GetPrecision(void) {return Prec;} + PVAL GetValue(void) {return Value;} + + // Methods + my_bool SetJpath(PGLOBAL g, char *path, my_bool jb = false); + my_bool ParseJpath(PGLOBAL g); + void ReadValue(PGLOBAL g); + PJVAL GetRowValue(PGLOBAL g, PJSON row, int i, my_bool b = true); + PJVAL GetJson(PGLOBAL g); + my_bool CheckPath(PGLOBAL g); + my_bool WriteValue(PGLOBAL g, PJVAL jvalp); + char *Locate(PGLOBAL g, PJSON jsp, PJVAL jvp, int k = 1); + char *LocateAll(PGLOBAL g, PJSON jsp, PJVAL jvp, int mx = 10); + +protected: + my_bool SetArrayOptions(PGLOBAL g, char *p, int i, PSZ nm); + PVAL GetColumnValue(PGLOBAL g, PJSON row, int i); + PVAL ExpandArray(PGLOBAL g, PJAR arp, int n); + PVAL GetCalcValue(PGLOBAL g, PJAR bap, int n); + PVAL CalculateArray(PGLOBAL g, PJAR arp, int n); + PJVAL MakeJson(PGLOBAL g, PJSON jsp, int i); + void SetJsonValue(PGLOBAL g, PVAL vp, PJVAL val); + PJSON GetRow(PGLOBAL g); + my_bool CompareValues(PJVAL v1, PJVAL v2); + my_bool LocateArray(PGLOBAL g, PJAR jarp); + my_bool LocateObject(PGLOBAL g, PJOB jobp); + my_bool LocateValue(PGLOBAL g, PJVAL jvp); + my_bool LocateArrayAll(PGLOBAL g, PJAR jarp); + my_bool LocateObjectAll(PGLOBAL g, PJOB jobp); + my_bool LocateValueAll(PGLOBAL g, PJVAL jvp); + my_bool CompareTree(PGLOBAL g, PJSON jp1, PJSON jp2); + my_bool AddPath(void); + + // Default constructor not to be used + JSNX(void) = default; + + // Members + PJSON Row; + PJVAL Jvalp; + PJPN Jpnp; + JOUTSTR *Jp; + JNODE *Nodes; // The intermediate objects + PVAL Value; + //PVAL MulVal; // To value used by multiple column + char *Jpath; // The json path + int Buf_Type; + int Long; + int Prec; + int Nod; // The number of intermediate objects + int Xnod; // Index of multiple values + int K; // Kth item to locate + int I; // Index of JPN + int Imax; // Max number of JPN's + int B; // Index base + my_bool Xpd; // True for expandable column + my_bool Parsed; // True when parsed + my_bool Found; // Item found by locate + my_bool Wr; // Write mode + my_bool Jb; // Must return json item +}; // end of class JSNX + +/*********************************************************************************/ +/* Class JUP: used by jfile_convert to make a json file pretty = 0. */ +/*********************************************************************************/ +class JUP : public BLOCK { +public: + // Constructor + JUP(PGLOBAL g); + + // Implementation + void AddBuff(char c) { + if (k < recl) + buff[k++] = c; + else + throw "Record size is too small"; + } // end of AddBuff + + // Methods + char *UnprettyJsonFile(PGLOBAL g, char* fn, char* outfn, int lrecl); + bool unPretty(PGLOBAL g, int lrecl); + void CopyObject(PGLOBAL g); + void CopyArray(PGLOBAL g); + void CopyValue(PGLOBAL g); + void CopyString(PGLOBAL g); + void CopyNumeric(PGLOBAL g); + + // Members + FILE *fs; + char *s; + char *buff; + size_t len; + uint i; + int k, recl; +}; // end of class JUP |