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-rw-r--r--storage/connect/json.cpp2066
1 files changed, 2066 insertions, 0 deletions
diff --git a/storage/connect/json.cpp b/storage/connect/json.cpp
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index 00000000..95b3024d
--- /dev/null
+++ b/storage/connect/json.cpp
@@ -0,0 +1,2066 @@
+/*************** json CPP Declares Source Code File (.H) ***************/
+/* Name: json.cpp Version 1.6 */
+/* */
+/* (C) Copyright to the author Olivier BERTRAND 2014 - 2021 */
+/* */
+/* This file contains the JSON classes functions. */
+/***********************************************************************/
+
+/***********************************************************************/
+/* Include relevant sections of the MariaDB header file. */
+/***********************************************************************/
+#include <my_global.h>
+#include <m_string.h>
+
+/***********************************************************************/
+/* Include application header files: */
+/* global.h is header containing all global declarations. */
+/* plgdbsem.h is header containing the DB application declarations. */
+/* xjson.h is header containing the JSON classes declarations. */
+/***********************************************************************/
+#include "global.h"
+#include "plgdbsem.h"
+#include "json.h"
+
+#define ARGS MY_MIN(24,(int)len-i),s+MY_MAX(i-3,0)
+
+#define EL "\n"
+#if !defined(_WIN32)
+#undef SE_CATCH // Does not work for Linux
+#endif
+
+#if defined(SE_CATCH)
+/**************************************************************************/
+/* This is the support of catching C interrupts to prevent crashes. */
+/**************************************************************************/
+#include <eh.h>
+
+class SE_Exception {
+public:
+ SE_Exception(unsigned int n, PEXCEPTION_RECORD p) : nSE(n), eRec(p) {}
+ ~SE_Exception() {}
+
+ unsigned int nSE;
+ PEXCEPTION_RECORD eRec;
+}; // end of class SE_Exception
+
+void trans_func(unsigned int u, _EXCEPTION_POINTERS* pExp)
+{
+ throw SE_Exception(u, pExp->ExceptionRecord);
+} // end of trans_func
+
+char *GetExceptionDesc(PGLOBAL g, unsigned int e);
+#endif // SE_CATCH
+
+char *GetJsonNull(void);
+int GetDefaultPrec(void);
+int PrepareColist(char*);
+
+/***********************************************************************/
+/* IsNum: check whether this string is all digits. */
+/***********************************************************************/
+bool IsNum(PSZ s)
+{
+ char* p = s;
+
+ if (*p == '-')
+ p++;
+
+ if (*p == ']')
+ return false;
+ else for (; *p; p++)
+ if (*p == ']')
+ break;
+ else if (!isdigit(*p))
+ return false;
+
+ return true;
+} // end of IsNum
+
+/***********************************************************************/
+/* IsArray: check whether this is a Mongo array path. */
+/***********************************************************************/
+bool IsArray(PSZ s)
+{
+ char* p = s;
+
+ if (!p || !*p)
+ return false;
+ else for (; *p; p++)
+ if (*p == '.')
+ break;
+ else if (!isdigit(*p))
+ return false;
+
+ return true;
+} // end of IsArray
+
+/***********************************************************************/
+/* NextChr: return the first found '[' or Sep pointer. */
+/***********************************************************************/
+char* NextChr(PSZ s, char sep)
+{
+ char* p1 = strchr(s, '[');
+ char* p2 = strchr(s, sep);
+
+ if (!p2)
+ return p1;
+ else if (p1)
+ return MY_MIN(p1, p2);
+
+ return p2;
+} // end of NextChr
+
+/***********************************************************************/
+/* Stringified: check that this column is in the stringified list. */
+/***********************************************************************/
+bool Stringified(PCSZ strfy, char *colname)
+{
+ if (strfy) {
+ char *p, colist[512];
+ int n;
+
+ strncpy(colist, strfy, sizeof(colist) - 1);
+ n = PrepareColist(colist);
+
+ for (p = colist; n && p; p += (strlen(p) + 1), n--)
+ if (!stricmp(p, colname))
+ return true;
+
+ } // endif strfy
+
+ return false;
+} // end of Stringified
+
+#if 0
+/***********************************************************************/
+/* Allocate a VAL structure, make sure common field and Nd are zeroed. */
+/***********************************************************************/
+PVL AllocVal(PGLOBAL g, JTYP type)
+{
+ PVL vlp = (PVL)PlugSubAlloc(g, NULL, sizeof(VAL));
+
+ vlp->LLn = 0;
+ vlp->Nd = 0;
+ vlp->Type = type;
+ return vlp;
+} // end of AllocVal
+#endif // 0
+
+/***********************************************************************/
+/* Parse a json string. */
+/* Note: when pretty is not known, the caller set pretty to 3. */
+/***********************************************************************/
+PJSON ParseJson(PGLOBAL g, char* s, size_t len, int* ptyp, bool* comma)
+{
+ int i, pretty = (ptyp) ? *ptyp : 3;
+ bool b = false, pty[3] = { true,true,true };
+ PJSON jsp = NULL;
+ PJDOC jdp = NULL;
+
+ if (trace(1))
+ htrc("ParseJson: s=%.10s len=%zd\n", s, len);
+
+ if (!s || !len) {
+ snprintf(g->Message, sizeof(g->Message), "Void JSON object");
+ return NULL;
+ } else if (comma)
+ *comma = false;
+
+ // Trying to guess the pretty format
+ if (s[0] == '[' && (s[1] == '\n' || (s[1] == '\r' && s[2] == '\n')))
+ pty[0] = false;
+
+ try {
+ jdp = new(g) JDOC;
+ jdp->s = s;
+ jdp->len = len;
+ jdp->pty = pty;
+
+ for (i = 0; i < jdp->len; i++)
+ switch (s[i]) {
+ case '[':
+ if (jsp)
+ jsp = jdp->ParseAsArray(g, i, pretty, ptyp);
+ else
+ jsp = jdp->ParseArray(g, ++i);
+
+ break;
+ case '{':
+ if (jsp)
+ jsp = jdp->ParseAsArray(g, i, pretty, ptyp);
+ else if (!(jsp = jdp->ParseObject(g, ++i)))
+ throw 2;
+
+ break;
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+ case ',':
+ if (jsp && (pretty == 1 || pretty == 3)) {
+ if (comma)
+ *comma = true;
+
+ pty[0] = pty[2] = false;
+ break;
+ } // endif pretty
+
+ snprintf(g->Message, sizeof(g->Message), "Unexpected ',' (pretty=%d)", pretty);
+ throw 3;
+ case '(':
+ b = true;
+ break;
+ case ')':
+ if (b) {
+ b = false;
+ break;
+ } // endif b
+ /* falls through */
+ default:
+ if (jsp)
+ jsp = jdp->ParseAsArray(g, i, pretty, ptyp);
+ else if (!(jsp = jdp->ParseValue(g, i)))
+ throw 4;
+
+ break;
+ }; // endswitch s[i]
+
+ if (!jsp)
+ snprintf(g->Message, sizeof(g->Message), "Invalid Json string '%.*s'", MY_MIN((int)len, 50), s);
+ else if (ptyp && pretty == 3) {
+ *ptyp = 3; // Not recognized pretty
+
+ for (i = 0; i < 3; i++)
+ if (pty[i]) {
+ *ptyp = i;
+ break;
+ } // endif pty
+
+ } // endif ptyp
+
+ } catch (int n) {
+ if (trace(1))
+ htrc("Exception %d: %s\n", n, g->Message);
+ jsp = NULL;
+ } catch (const char* msg) {
+ snprintf(g->Message, sizeof(g->Message), "%s", msg);
+ jsp = NULL;
+ } // end catch
+
+ return jsp;
+} // end of ParseJson
+
+/***********************************************************************/
+/* Serialize a JSON document tree: */
+/***********************************************************************/
+PSZ Serialize(PGLOBAL g, PJSON jsp, char* fn, int pretty) {
+ PSZ str = NULL;
+ bool b = false, err = true;
+ JOUT* jp;
+ FILE* fs = NULL;
+ PJDOC jdp = NULL;
+
+ g->Message[0] = 0;
+
+ try {
+ jdp = new(g) JDOC; // MUST BE ALLOCATED BEFORE jp !!!!!
+ jdp->dfp = GetDefaultPrec();
+
+ if (!jsp) {
+ snprintf(g->Message, sizeof(g->Message), "Null json tree");
+ throw 1;
+ } else if (!fn) {
+ // Serialize to a string
+ jp = new(g) JOUTSTR(g);
+ b = pretty == 1;
+ } else {
+ if (!(fs = fopen(fn, "wb"))) {
+ snprintf(g->Message, sizeof(g->Message), MSG(OPEN_MODE_ERROR) ": %s",
+ "w", (int)errno, fn, strerror(errno));
+ throw 2;
+ } else if (pretty >= 2) {
+ // Serialize to a pretty file
+ jp = new(g)JOUTPRT(g, fs);
+ } else {
+ // Serialize to a flat file
+ b = true;
+ jp = new(g)JOUTFILE(g, fs, pretty);
+ } // endif's
+
+ } // endif's
+
+ jdp->SetJp(jp);
+
+ switch (jsp->GetType()) {
+ case TYPE_JAR:
+ err = jdp->SerializeArray((PJAR)jsp, b);
+ break;
+ case TYPE_JOB:
+ err = ((b && jp->Prty()) && jp->WriteChr('\t'));
+ err |= jdp->SerializeObject((PJOB)jsp);
+ break;
+ case TYPE_JVAL:
+ err = jdp->SerializeValue((PJVAL)jsp);
+ break;
+ default:
+ snprintf(g->Message, sizeof(g->Message), "Invalid json tree");
+ } // endswitch Type
+
+ if (fs) {
+ fputs(EL, fs);
+ fclose(fs);
+ if(err) {
+ str = NULL;
+ } else {
+ snprintf(g->Message, sizeof(g->Message), "Ok");
+ str = g->Message;
+ }
+ } else if (!err) {
+ str = ((JOUTSTR*)jp)->Strp;
+ jp->WriteChr('\0');
+ PlugSubAlloc(g, NULL, ((JOUTSTR*)jp)->N);
+ } else {
+ if (!g->Message[0])
+ snprintf(g->Message, sizeof(g->Message), "Error in Serialize");
+
+ } // endif's
+
+ } catch (int n) {
+ if (trace(1))
+ htrc("Exception %d: %s\n", n, g->Message);
+ str = NULL;
+ } catch (const char* msg) {
+ snprintf(g->Message, sizeof(g->Message), "%s", msg);
+ str = NULL;
+ } // end catch
+
+ return str;
+} // end of Serialize
+
+
+/* -------------------------- Class JOUTSTR -------------------------- */
+
+/***********************************************************************/
+/* JOUTSTR constructor. */
+/***********************************************************************/
+JOUTSTR::JOUTSTR(PGLOBAL g) : JOUT(g) {
+ PPOOLHEADER pph = (PPOOLHEADER)g->Sarea;
+
+ N = 0;
+ Max = pph->FreeBlk;
+ Max = (Max > 32) ? Max - 32 : Max;
+ Strp = (char*)PlugSubAlloc(g, NULL, 0); // Size not know yet
+} // end of JOUTSTR constructor
+
+/***********************************************************************/
+/* Concatenate a string to the Serialize string. */
+/***********************************************************************/
+bool JOUTSTR::WriteStr(const char* s) {
+ if (s) {
+ size_t len = strlen(s);
+
+ if (N + len > Max)
+ return true;
+
+ memcpy(Strp + N, s, len);
+ N += len;
+ return false;
+ } else
+ return true;
+
+} // end of WriteStr
+
+/***********************************************************************/
+/* Concatenate a character to the Serialize string. */
+/***********************************************************************/
+bool JOUTSTR::WriteChr(const char c) {
+ if (N + 1 > Max)
+ return true;
+
+ Strp[N++] = c;
+ return false;
+} // end of WriteChr
+
+/***********************************************************************/
+/* Escape and Concatenate a string to the Serialize string. */
+/***********************************************************************/
+bool JOUTSTR::Escape(const char* s)
+{
+ if (s) {
+ WriteChr('"');
+
+ for (unsigned int i = 0; s[i]; i++)
+ switch (s[i]) {
+ case '"':
+ case '\\':
+ case '\t':
+ case '\n':
+ case '\r':
+ case '\b':
+ case '\f': WriteChr('\\');
+ // fall through
+ default:
+ WriteChr(s[i]);
+ break;
+ } // endswitch s[i]
+
+ WriteChr('"');
+ } else
+ WriteStr("null");
+
+ return false;
+} // end of Escape
+
+/* ------------------------- Class JOUTFILE -------------------------- */
+
+/***********************************************************************/
+/* Write a string to the Serialize file. */
+/***********************************************************************/
+bool JOUTFILE::WriteStr(const char* s)
+{
+ // This is temporary
+ fputs(s, Stream);
+ return false;
+} // end of WriteStr
+
+/***********************************************************************/
+/* Write a character to the Serialize file. */
+/***********************************************************************/
+bool JOUTFILE::WriteChr(const char c)
+{
+ // This is temporary
+ fputc(c, Stream);
+ return false;
+} // end of WriteChr
+
+/***********************************************************************/
+/* Escape and Concatenate a string to the Serialize string. */
+/***********************************************************************/
+bool JOUTFILE::Escape(const char* s)
+{
+ // This is temporary
+ if (s) {
+ fputc('"', Stream);
+
+ for (unsigned int i = 0; s[i]; i++)
+ switch (s[i]) {
+ case '"': fputs("\\\"", Stream); break;
+ case '\\': fputs("\\\\", Stream); break;
+ case '\t': fputs("\\t", Stream); break;
+ case '\n': fputs("\\n", Stream); break;
+ case '\r': fputs("\\r", Stream); break;
+ case '\b': fputs("\\b", Stream); break;
+ case '\f': fputs("\\f", Stream); break;
+ default:
+ fputc(s[i], Stream);
+ break;
+ } // endswitch s[i]
+
+ fputc('"', Stream);
+ } else
+ fputs("null", Stream);
+
+ return false;
+} // end of Escape
+
+/* ------------------------- Class JOUTPRT --------------------------- */
+
+/***********************************************************************/
+/* Write a string to the Serialize pretty file. */
+/***********************************************************************/
+bool JOUTPRT::WriteStr(const char* s)
+{
+ // This is temporary
+ if (B) {
+ fputs(EL, Stream);
+ M--;
+
+ for (int i = 0; i < M; i++)
+ fputc('\t', Stream);
+
+ B = false;
+ } // endif B
+
+ fputs(s, Stream);
+ return false;
+} // end of WriteStr
+
+/***********************************************************************/
+/* Write a character to the Serialize pretty file. */
+/***********************************************************************/
+bool JOUTPRT::WriteChr(const char c)
+{
+ switch (c) {
+ case ':':
+ fputs(": ", Stream);
+ break;
+ case '{':
+ case '[':
+#if 0
+ if (M)
+ fputs(EL, Stream);
+
+ for (int i = 0; i < M; i++)
+ fputc('\t', Stream);
+#endif // 0
+
+ fputc(c, Stream);
+ fputs(EL, Stream);
+ M++;
+
+ for (int i = 0; i < M; i++)
+ fputc('\t', Stream);
+
+ break;
+ case '}':
+ case ']':
+ M--;
+ fputs(EL, Stream);
+
+ for (int i = 0; i < M; i++)
+ fputc('\t', Stream);
+
+ fputc(c, Stream);
+ B = true;
+ break;
+ case ',':
+ fputc(c, Stream);
+ fputs(EL, Stream);
+
+ for (int i = 0; i < M; i++)
+ fputc('\t', Stream);
+
+ B = false;
+ break;
+ default:
+ fputc(c, Stream);
+ } // endswitch c
+
+ return false;
+} // end of WriteChr
+
+/* --------------------------- Class JDOC ---------------------------- */
+
+/***********************************************************************/
+/* Parse several items as being in an array. */
+/***********************************************************************/
+PJAR JDOC::ParseAsArray(PGLOBAL g, int& i, int pretty, int *ptyp)
+{
+ if (pty[0] && (!pretty || pretty > 2)) {
+ PJAR jsp;
+
+ if ((jsp = ParseArray(g, (i = 0))) && ptyp && pretty == 3)
+ *ptyp = (pty[0]) ? 0 : 3;
+
+ return jsp;
+ } else
+ snprintf(g->Message, sizeof(g->Message), "More than one item in file");
+
+ return NULL;
+} // end of ParseAsArray
+
+/***********************************************************************/
+/* Parse a JSON Array. */
+/***********************************************************************/
+PJAR JDOC::ParseArray(PGLOBAL g, int& i)
+{
+ int level = 0;
+ bool b = (!i);
+ PJAR jarp = new(g) JARRAY;
+
+ for (; i < len; i++)
+ switch (s[i]) {
+ case ',':
+ if (level < 2) {
+ snprintf(g->Message, sizeof(g->Message), "Unexpected ',' near %.*s",ARGS);
+ throw 1;
+ } else
+ level = 1;
+
+ break;
+ case ']':
+ if (level == 1) {
+ snprintf(g->Message, sizeof(g->Message), "Unexpected ',]' near %.*s", ARGS);
+ throw 1;
+ } // endif level
+
+ jarp->InitArray(g);
+ return jarp;
+ case '\n':
+ if (!b)
+ pty[0] = pty[1] = false;
+ case '\r':
+ case ' ':
+ case '\t':
+ break;
+ default:
+ if (level == 2) {
+ snprintf(g->Message, sizeof(g->Message), "Unexpected value near %.*s", ARGS);
+ throw 1;
+ } else
+ jarp->AddArrayValue(g, ParseValue(g, i));
+
+ level = (b) ? 1 : 2;
+ break;
+ }; // endswitch s[i]
+
+ if (b) {
+ // Case of Pretty == 0
+ jarp->InitArray(g);
+ return jarp;
+ } // endif b
+
+ throw ("Unexpected EOF in array");
+} // end of ParseArray
+
+/***********************************************************************/
+/* Parse a JSON Object. */
+/***********************************************************************/
+PJOB JDOC::ParseObject(PGLOBAL g, int& i)
+{
+ PSZ key;
+ int level = -1;
+ PJOB jobp = new(g) JOBJECT;
+ PJPR jpp = NULL;
+
+ for (; i < len; i++)
+ switch (s[i]) {
+ case '"':
+ if (level < 2) {
+ key = ParseString(g, ++i);
+ jpp = jobp->AddPair(g, key);
+ level = 1;
+ } else {
+ snprintf(g->Message, sizeof(g->Message), "misplaced string near %.*s", ARGS);
+ throw 2;
+ } // endif level
+
+ break;
+ case ':':
+ if (level == 1) {
+ jpp->Val = ParseValue(g, ++i);
+ level = 2;
+ } else {
+ snprintf(g->Message, sizeof(g->Message), "Unexpected ':' near %.*s", ARGS);
+ throw 2;
+ } // endif level
+
+ break;
+ case ',':
+ if (level < 2) {
+ snprintf(g->Message, sizeof(g->Message), "Unexpected ',' near %.*s", ARGS);
+ throw 2;
+ } else
+ level = 0;
+
+ break;
+ case '}':
+ if (level == 0 || level == 1) {
+ snprintf(g->Message, sizeof(g->Message), "Unexpected '}' near %.*s", ARGS);
+ throw 2;
+ } // endif level
+
+ return jobp;
+ case '\n':
+ pty[0] = pty[1] = false;
+ case '\r':
+ case ' ':
+ case '\t':
+ break;
+ default:
+ snprintf(g->Message, sizeof(g->Message), "Unexpected character '%c' near %.*s",
+ s[i], ARGS);
+ throw 2;
+ }; // endswitch s[i]
+
+ snprintf(g->Message, sizeof(g->Message), "Unexpected EOF in Object");
+ throw 2;
+} // end of ParseObject
+
+/***********************************************************************/
+/* Parse a JSON Value. */
+/***********************************************************************/
+PJVAL JDOC::ParseValue(PGLOBAL g, int& i)
+{
+ PJVAL jvp = new(g) JVALUE;
+
+ for (; i < len; i++)
+ switch (s[i]) {
+ case '\n':
+ pty[0] = pty[1] = false;
+ case '\r':
+ case ' ':
+ case '\t':
+ break;
+ default:
+ goto suite;
+ } // endswitch
+
+ suite:
+ switch (s[i]) {
+ case '[':
+ jvp->Jsp = ParseArray(g, ++i);
+ jvp->DataType = TYPE_JSON;
+ break;
+ case '{':
+ jvp->Jsp = ParseObject(g, ++i);
+ jvp->DataType = TYPE_JSON;
+ break;
+ case '"':
+// jvp->Val = AllocVal(g, TYPE_STRG);
+ jvp->Strp = ParseString(g, ++i);
+ jvp->DataType = TYPE_STRG;
+ break;
+ case 't':
+ if (!strncmp(s + i, "true", 4)) {
+// jvp->Val = AllocVal(g, TYPE_BOOL);
+ jvp->B = true;
+ jvp->DataType = TYPE_BOOL;
+ i += 3;
+ } else
+ goto err;
+
+ break;
+ case 'f':
+ if (!strncmp(s + i, "false", 5)) {
+// jvp->Val = AllocVal(g, TYPE_BOOL);
+ jvp->B = false;
+ jvp->DataType = TYPE_BOOL;
+ i += 4;
+ } else
+ goto err;
+
+ break;
+ case 'n':
+ if (!strncmp(s + i, "null", 4)) {
+ jvp->DataType = TYPE_NULL;
+ i += 3;
+ } else
+ goto err;
+
+ break;
+ case '-':
+ default:
+ if (s[i] == '-' || isdigit(s[i]))
+ ParseNumeric(g, i, jvp);
+ else
+ goto err;
+
+ }; // endswitch s[i]
+
+ return jvp;
+
+err:
+ snprintf(g->Message, sizeof(g->Message), "Unexpected character '%c' near %.*s", s[i], ARGS);
+ throw 3;
+} // end of ParseValue
+
+/***********************************************************************/
+/* Unescape and parse a JSON string. */
+/***********************************************************************/
+char *JDOC::ParseString(PGLOBAL g, int& i)
+{
+ uchar *p;
+ int n = 0;
+
+ // Be sure of memory availability
+ if (((size_t)len + 1 - i) > ((PPOOLHEADER)g->Sarea)->FreeBlk)
+ throw("ParseString: Out of memory");
+
+ // The size to allocate is not known yet
+ p = (uchar*)PlugSubAlloc(g, NULL, 0);
+
+ for (; i < len; i++)
+ switch (s[i]) {
+ case '"':
+ p[n++] = 0;
+ PlugSubAlloc(g, NULL, n);
+ return (char*)p;
+ case '\\':
+ if (++i < len) {
+ if (s[i] == 'u') {
+ if (len - i > 5) {
+// if (charset == utf8) {
+ char xs[5];
+ uint hex;
+
+ xs[0] = s[++i];
+ xs[1] = s[++i];
+ xs[2] = s[++i];
+ xs[3] = s[++i];
+ xs[4] = 0;
+ hex = strtoul(xs, NULL, 16);
+
+ if (hex < 0x80) {
+ p[n] = (uchar)hex;
+ } else if (hex < 0x800) {
+ p[n++] = (uchar)(0xC0 | (hex >> 6));
+ p[n] = (uchar)(0x80 | (hex & 0x3F));
+ } else if (hex < 0x10000) {
+ p[n++] = (uchar)(0xE0 | (hex >> 12));
+ p[n++] = (uchar)(0x80 | ((hex >> 6) & 0x3f));
+ p[n] = (uchar)(0x80 | (hex & 0x3f));
+ } else
+ p[n] = '?';
+
+#if 0
+ } else {
+ char xs[3];
+ UINT hex;
+
+ i += 2;
+ xs[0] = s[++i];
+ xs[1] = s[++i];
+ xs[2] = 0;
+ hex = strtoul(xs, NULL, 16);
+ p[n] = (char)hex;
+ } // endif charset
+#endif // 0
+ } else
+ goto err;
+
+ } else switch(s[i]) {
+ case 't': p[n] = '\t'; break;
+ case 'n': p[n] = '\n'; break;
+ case 'r': p[n] = '\r'; break;
+ case 'b': p[n] = '\b'; break;
+ case 'f': p[n] = '\f'; break;
+ default: p[n] = s[i]; break;
+ } // endswitch
+
+ n++;
+ } else
+ goto err;
+
+ break;
+ default:
+ p[n++] = s[i];
+ break;
+ }; // endswitch s[i]
+
+ err:
+ throw("Unexpected EOF in String");
+} // end of ParseString
+
+/***********************************************************************/
+/* Parse a JSON numeric value. */
+/***********************************************************************/
+void JDOC::ParseNumeric(PGLOBAL g, int& i, PJVAL vlp)
+{
+ char buf[50];
+ int n = 0;
+ short nd = 0;
+ bool has_dot = false;
+ bool has_e = false;
+ bool found_digit = false;
+//PVL vlp = NULL;
+
+ for (; i < len; i++) {
+ switch (s[i]) {
+ case '.':
+ if (!found_digit || has_dot || has_e)
+ goto err;
+
+ has_dot = true;
+ break;
+ case 'e':
+ case 'E':
+ if (!found_digit || has_e)
+ goto err;
+
+ has_e = true;
+ found_digit = false;
+ break;
+ case '+':
+ if (!has_e)
+ goto err;
+
+ // fall through
+ case '-':
+ if (found_digit)
+ goto err;
+
+ break;
+ default:
+ if (isdigit(s[i])) {
+ if (has_dot && !has_e)
+ nd++; // Number of decimals
+
+ found_digit = true;
+ } else
+ goto fin;
+
+ }; // endswitch s[i]
+
+ buf[n++] = s[i];
+ } // endfor i
+
+ fin:
+ if (found_digit) {
+ buf[n] = 0;
+
+ if (has_dot || has_e) {
+ double dv = strtod(buf, NULL);
+
+// vlp = AllocVal(g, TYPE_DBL);
+ vlp->F = dv;
+ vlp->Nd = nd;
+ vlp->DataType = TYPE_DBL;
+ } else {
+ long long iv = strtoll(buf, NULL, 10);
+
+ if (iv > INT_MAX32 || iv < INT_MIN32) {
+// vlp = AllocVal(g, TYPE_BINT);
+ vlp->LLn = iv;
+ vlp->DataType = TYPE_BINT;
+ } else {
+// vlp = AllocVal(g, TYPE_INTG);
+ vlp->N = (int)iv;
+ vlp->DataType = TYPE_INTG;
+ } // endif iv
+
+ } // endif has
+
+ i--; // Unstack following character
+ return;
+ } else
+ throw("No digit found");
+
+ err:
+ throw("Unexpected EOF in number");
+} // end of ParseNumeric
+
+/***********************************************************************/
+/* Serialize a JSON Array. */
+/***********************************************************************/
+bool JDOC::SerializeArray(PJAR jarp, bool b)
+{
+ bool first = true;
+
+ if (b) {
+ if (js->Prty()) {
+ if (js->WriteChr('['))
+ return true;
+ else if (js->Prty() == 1 && (js->WriteStr(EL) || js->WriteChr('\t')))
+ return true;
+
+ } // endif Prty
+
+ } else if (js->WriteChr('['))
+ return true;
+
+ for (int i = 0; i < jarp->size(); i++) {
+ if (first)
+ first = false;
+ else if ((!b || js->Prty()) && js->WriteChr(','))
+ return true;
+ else if (b) {
+ if (js->Prty() < 2 && js->WriteStr(EL))
+ return true;
+ else if (js->Prty() == 1 && js->WriteChr('\t'))
+ return true;
+
+ } // endif b
+
+ if (SerializeValue(jarp->GetArrayValue(i)))
+ return true;
+
+ } // endfor i
+
+ if (b && js->Prty() == 1 && js->WriteStr(EL))
+ return true;
+
+ return ((!b || js->Prty()) && js->WriteChr(']'));
+} // end of SerializeArray
+
+/***********************************************************************/
+/* Serialize a JSON Object. */
+/***********************************************************************/
+bool JDOC::SerializeObject(PJOB jobp)
+{
+ bool first = true;
+
+ if (js->WriteChr('{'))
+ return true;
+
+ for (PJPR pair = jobp->GetFirst(); pair; pair = pair->Next) {
+ if (first)
+ first = false;
+ else if (js->WriteChr(','))
+ return true;
+
+ if (js->WriteChr('"') ||
+ js->WriteStr(pair->Key) ||
+ js->WriteChr('"') ||
+ js->WriteChr(':') ||
+ SerializeValue(pair->Val))
+ return true;
+
+ } // endfor i
+
+ return js->WriteChr('}');
+} // end of SerializeObject
+
+/***********************************************************************/
+/* Serialize a JSON Value. */
+/***********************************************************************/
+bool JDOC::SerializeValue(PJVAL jvp)
+{
+ char buf[64];
+ PJAR jap;
+ PJOB jop;
+ //PVL vlp;
+
+ if ((jap = jvp->GetArray()))
+ return SerializeArray(jap, false);
+ else if ((jop = jvp->GetObject()))
+ return SerializeObject(jop);
+//else if (!(vlp = jvp->Val))
+// return js->WriteStr("null");
+ else switch (jvp->DataType) {
+ case TYPE_BOOL:
+ return js->WriteStr(jvp->B ? "true" : "false");
+ case TYPE_STRG:
+ case TYPE_DTM:
+ return js->Escape(jvp->Strp);
+ case TYPE_INTG:
+ snprintf(buf, sizeof(buf), "%d", jvp->N);
+ return js->WriteStr(buf);
+ case TYPE_BINT:
+ snprintf(buf, sizeof(buf), "%lld", jvp->LLn);
+ return js->WriteStr(buf);
+ case TYPE_DBL: // dfp to limit to the default number of decimals
+ snprintf(buf, sizeof(buf), "%.*f", MY_MIN(jvp->Nd, dfp), jvp->F);
+ return js->WriteStr(buf);
+ case TYPE_NULL:
+ return js->WriteStr("null");
+ default:
+ return js->WriteStr("???"); // TODO
+ } // endswitch Type
+
+ strcpy(js->g->Message, "Unrecognized value");
+ return true;
+} // end of SerializeValue
+
+/* -------------------------- Class JOBJECT -------------------------- */
+
+/***********************************************************************/
+/* Return the number of pairs in this object. */
+/***********************************************************************/
+int JOBJECT::GetSize(bool b) {
+ int n = 0;
+
+ for (PJPR jpp = First; jpp; jpp = jpp->Next)
+ // If b return only non null pairs
+ if (!b || (jpp->Val && !jpp->Val->IsNull()))
+ n++;
+
+ return n;
+} // end of GetSize
+
+/***********************************************************************/
+/* Add a new pair to an Object. */
+/***********************************************************************/
+PJPR JOBJECT::AddPair(PGLOBAL g, PCSZ key)
+{
+ PJPR jpp = (PJPR)PlugSubAlloc(g, NULL, sizeof(JPAIR));
+
+ jpp->Key = key;
+ jpp->Next = NULL;
+ jpp->Val = NULL;
+
+ if (Last)
+ Last->Next = jpp;
+ else
+ First = jpp;
+
+ Last = jpp;
+ return jpp;
+} // end of AddPair
+
+/***********************************************************************/
+/* Return all keys as an array. */
+/***********************************************************************/
+PJAR JOBJECT::GetKeyList(PGLOBAL g)
+{
+ PJAR jarp = new(g) JARRAY();
+
+ for (PJPR jpp = First; jpp; jpp = jpp->Next)
+ jarp->AddArrayValue(g, new(g) JVALUE(g, jpp->Key));
+
+ jarp->InitArray(g);
+ return jarp;
+} // end of GetKeyList
+
+/***********************************************************************/
+/* Return all values as an array. */
+/***********************************************************************/
+PJAR JOBJECT::GetValList(PGLOBAL g)
+{
+ PJAR jarp = new(g) JARRAY();
+
+ for (PJPR jpp = First; jpp; jpp = jpp->Next)
+ jarp->AddArrayValue(g, jpp->Val);
+
+ jarp->InitArray(g);
+ return jarp;
+} // end of GetValList
+
+/***********************************************************************/
+/* Get the value corresponding to the given key. */
+/***********************************************************************/
+PJVAL JOBJECT::GetKeyValue(const char* key)
+{
+ for (PJPR jp = First; jp; jp = jp->Next)
+ if (!strcmp(jp->Key, key))
+ return jp->Val;
+
+ return NULL;
+} // end of GetValue;
+
+/***********************************************************************/
+/* Return the text corresponding to all keys (XML like). */
+/***********************************************************************/
+PSZ JOBJECT::GetText(PGLOBAL g, PSTRG text)
+{
+ if (First) {
+ bool b;
+
+ if (!text) {
+ text = new(g) STRING(g, 256);
+ b = true;
+ } else {
+ if (text->GetLastChar() != ' ')
+ text->Append(' ');
+
+ b = false;
+ } // endif text
+
+ if (b && !First->Next && !strcmp(First->Key, "$date")) {
+ int i;
+ PSZ s;
+
+ First->Val->GetText(g, text);
+ s = text->GetStr();
+ i = (s[1] == '-' ? 2 : 1);
+
+ if (IsNum(s + i)) {
+ // Date is in milliseconds
+ int j = text->GetLength();
+
+ if (j >= 4 + i) {
+ s[j - 3] = 0; // Change it to seconds
+ text->SetLength((uint)strlen(s));
+ } else
+ text->Set(" 0");
+
+ } // endif text
+
+ } else for (PJPR jp = First; jp; jp = jp->Next) {
+ jp->Val->GetText(g, text);
+
+ if (jp->Next)
+ text->Append(' ');
+
+ } // endfor jp
+
+ if (b) {
+ text->Trim();
+ return text->GetStr();
+ } // endif b
+
+ } // endif First
+
+ return NULL;
+} // end of GetText;
+
+/***********************************************************************/
+/* Merge two objects. */
+/***********************************************************************/
+bool JOBJECT::Merge(PGLOBAL g, PJSON jsp)
+{
+ if (jsp->GetType() != TYPE_JOB) {
+ snprintf(g->Message, sizeof(g->Message), "Second argument is not an object");
+ return true;
+ } // endif Type
+
+ PJOB jobp = (PJOB)jsp;
+
+ for (PJPR jpp = jobp->First; jpp; jpp = jpp->Next)
+ SetKeyValue(g, jpp->Val, jpp->Key);
+
+ return false;
+} // end of Marge;
+
+/***********************************************************************/
+/* Set or add a value corresponding to the given key. */
+/***********************************************************************/
+void JOBJECT::SetKeyValue(PGLOBAL g, PJVAL jvp, PCSZ key)
+{
+ PJPR jp;
+
+ for (jp = First; jp; jp = jp->Next)
+ if (!strcmp(jp->Key, key)) {
+ jp->Val = jvp;
+ break;
+ } // endif key
+
+ if (!jp) {
+ jp = AddPair(g, key);
+ jp->Val = jvp;
+ } // endif jp
+
+} // end of SetValue
+
+/***********************************************************************/
+/* Delete a value corresponding to the given key. */
+/***********************************************************************/
+void JOBJECT::DeleteKey(PCSZ key)
+{
+ PJPR jp, *pjp = &First;
+
+ for (jp = First; jp; jp = jp->Next)
+ if (!strcmp(jp->Key, key)) {
+ *pjp = jp->Next;
+ break;
+ } else
+ pjp = &jp->Next;
+
+} // end of DeleteKey
+
+/***********************************************************************/
+/* True if void or if all members are nulls. */
+/***********************************************************************/
+bool JOBJECT::IsNull(void)
+{
+ for (PJPR jp = First; jp; jp = jp->Next)
+ if (!jp->Val->IsNull())
+ return false;
+
+ return true;
+} // end of IsNull
+
+/* -------------------------- Class JARRAY --------------------------- */
+
+/***********************************************************************/
+/* JARRAY constructor. */
+/***********************************************************************/
+JARRAY::JARRAY(void) : JSON()
+{
+ Type = TYPE_JAR;
+ Size = 0;
+ Alloc = 0;
+ First = Last = NULL;
+ Mvals = NULL;
+} // end of JARRAY constructor
+
+/***********************************************************************/
+/* Return the number of values in this object. */
+/***********************************************************************/
+int JARRAY::GetSize(bool b)
+{
+ if (b) {
+ // Return only non null values
+ int n = 0;
+
+ for (PJVAL jvp = First; jvp; jvp = jvp->Next)
+ if (!jvp->IsNull())
+ n++;
+
+ return n;
+ } else
+ return Size;
+
+} // end of GetSize
+
+/***********************************************************************/
+/* Make the array of values from the values list. */
+/***********************************************************************/
+void JARRAY::InitArray(PGLOBAL g)
+{
+ int i;
+ PJVAL jvp, *pjvp = &First;
+
+ for (Size = 0, jvp = First; jvp; jvp = jvp->Next)
+ if (!jvp->Del)
+ Size++;
+
+ if (Size > Alloc) {
+ // No need to realloc after deleting values
+ Mvals = (PJVAL*)PlugSubAlloc(g, NULL, Size * sizeof(PJVAL));
+ Alloc = Size;
+ } // endif Size
+
+ for (i = 0, jvp = First; jvp; jvp = jvp->Next)
+ if (!jvp->Del) {
+ Mvals[i++] = jvp;
+ pjvp = &jvp->Next;
+ Last = jvp;
+ } else
+ *pjvp = jvp->Next;
+
+} // end of InitArray
+
+/***********************************************************************/
+/* Get the Nth value of an Array. */
+/***********************************************************************/
+PJVAL JARRAY::GetArrayValue(int i)
+{
+ if (Mvals && i >= 0 && i < Size)
+ return Mvals[i];
+ else if (Mvals && i < 0 && i >= -Size)
+ return Mvals[Size + i];
+ else
+ return NULL;
+} // end of GetValue
+
+/***********************************************************************/
+/* Add a Value to the Array Value list. */
+/***********************************************************************/
+PJVAL JARRAY::AddArrayValue(PGLOBAL g, PJVAL jvp, int *x)
+{
+ if (!jvp)
+ jvp = new(g) JVALUE;
+
+ if (x) {
+ int i = 0, n = *x;
+ PJVAL jp, *jpp = &First;
+
+ for (jp = First; jp && i < n; i++, jp = *(jpp = &jp->Next));
+
+ (*jpp) = jvp;
+
+ if (!(jvp->Next = jp))
+ Last = jvp;
+
+ } else {
+ if (!First)
+ First = jvp;
+ else if (Last == First)
+ First->Next = Last = jvp;
+ else
+ Last->Next = jvp;
+
+ Last = jvp;
+ Last->Next = NULL;
+ } // endif x
+
+ return jvp;
+} // end of AddValue
+
+/***********************************************************************/
+/* Merge two arrays. */
+/***********************************************************************/
+bool JARRAY::Merge(PGLOBAL g, PJSON jsp)
+{
+ if (jsp->GetType() != TYPE_JAR) {
+ snprintf(g->Message, sizeof(g->Message), "Second argument is not an array");
+ return true;
+ } // endif Type
+
+ PJAR arp = (PJAR)jsp;
+
+ for (int i = 0; i < arp->size(); i++)
+ AddArrayValue(g, arp->GetArrayValue(i));
+
+ InitArray(g);
+ return false;
+} // end of Merge
+
+/***********************************************************************/
+/* Set the nth Value of the Array Value list or add it. */
+/***********************************************************************/
+void JARRAY::SetArrayValue(PGLOBAL g, PJVAL jvp, int n)
+{
+ int i = 0;
+ PJVAL jp, *jpp = &First;
+
+ for (jp = First; i < n; i++, jp = *(jpp = &jp->Next))
+ if (!jp)
+ *jpp = jp = new(g) JVALUE;
+
+ *jpp = jvp;
+ jvp->Next = (jp ? jp->Next : NULL);
+} // end of SetValue
+
+/***********************************************************************/
+/* Return the text corresponding to all values. */
+/***********************************************************************/
+PSZ JARRAY::GetText(PGLOBAL g, PSTRG text)
+{
+ if (First) {
+ bool b;
+ PJVAL jp;
+
+ if (!text) {
+ text = new(g) STRING(g, 256);
+ b = true;
+ } else {
+ if (text->GetLastChar() != ' ')
+ text->Append(" (");
+ else
+ text->Append('(');
+
+ b = false;
+ }
+
+ for (jp = First; jp; jp = jp->Next) {
+ jp->GetText(g, text);
+
+ if (jp->Next)
+ text->Append(", ");
+ else if (!b)
+ text->Append(')');
+
+ } // endfor jp
+
+ if (b) {
+ text->Trim();
+ return text->GetStr();
+ } // endif b
+
+ } // endif First
+
+ return NULL;
+} // end of GetText;
+
+/***********************************************************************/
+/* Delete a Value from the Arrays Value list. */
+/***********************************************************************/
+bool JARRAY::DeleteValue(int n)
+{
+ PJVAL jvp = GetArrayValue(n);
+
+ if (jvp) {
+ jvp->Del = true;
+ return false;
+ } else
+ return true;
+
+} // end of DeleteValue
+
+/***********************************************************************/
+/* True if void or if all members are nulls. */
+/***********************************************************************/
+bool JARRAY::IsNull(void)
+{
+ for (int i = 0; i < Size; i++)
+ if (!Mvals[i]->IsNull())
+ return false;
+
+ return true;
+} // end of IsNull
+
+/* -------------------------- Class JVALUE- -------------------------- */
+
+/***********************************************************************/
+/* Constructor for a JVALUE. */
+/***********************************************************************/
+JVALUE::JVALUE(PJSON jsp) : JSON()
+{
+ if (jsp && jsp->GetType() == TYPE_JVAL) {
+ PJVAL jvp = (PJVAL)jsp;
+
+// Val = ((PJVAL)jsp)->GetVal();
+ if (jvp->DataType == TYPE_JSON) {
+ Jsp = jvp->GetJsp();
+ DataType = TYPE_JSON;
+ Nd = 0;
+ } else {
+ LLn = jvp->LLn; // Must be LLn on 32 bit machines
+ Nd = jvp->Nd;
+ DataType = jvp->DataType;
+ } // endelse Jsp
+
+ } else {
+ Jsp = jsp;
+// Val = NULL;
+ DataType = Jsp ? TYPE_JSON : TYPE_NULL;
+ Nd = 0;
+ } // endif Type
+
+ Next = NULL;
+ Del = false;
+ Type = TYPE_JVAL;
+} // end of JVALUE constructor
+
+#if 0
+/***********************************************************************/
+/* Constructor for a JVALUE with a given string or numeric value. */
+/***********************************************************************/
+JVALUE::JVALUE(PGLOBAL g, PVL vlp) : JSON()
+{
+ Jsp = NULL;
+ Val = vlp;
+ Next = NULL;
+ Del = false;
+ Type = TYPE_JVAL;
+} // end of JVALUE constructor
+#endif // 0
+
+/***********************************************************************/
+/* Constructor for a JVALUE with a given string or numeric value. */
+/***********************************************************************/
+JVALUE::JVALUE(PGLOBAL g, PVAL valp) : JSON() {
+ Jsp = NULL;
+//Val = NULL;
+ SetValue(g, valp);
+ Next = NULL;
+ Del = false;
+ Type = TYPE_JVAL;
+} // end of JVALUE constructor
+
+/***********************************************************************/
+/* Constructor for a given string. */
+/***********************************************************************/
+JVALUE::JVALUE(PGLOBAL g, PCSZ strp) : JSON()
+{
+ Jsp = NULL;
+//Val = AllocVal(g, TYPE_STRG);
+ Strp = (char*)strp;
+ DataType = TYPE_STRG;
+ Nd = 0;
+ Next = NULL;
+ Del = false;
+ Type = TYPE_JVAL;
+} // end of JVALUE constructor
+
+/***********************************************************************/
+/* Set or reset all Jvalue members. */
+/***********************************************************************/
+void JVALUE::Clear(void)
+{
+ Jsp = NULL;
+ Next = NULL;
+ Type = TYPE_JVAL;
+ Del = false;
+ Nd = 0;
+ DataType = TYPE_NULL;
+} // end of Clear
+
+/***********************************************************************/
+/* Returns the type of the Value's value. */
+/***********************************************************************/
+JTYP JVALUE::GetValType(void)
+{
+ if (DataType == TYPE_JSON)
+ return Jsp->GetType();
+//else if (Val)
+// return Val->Type;
+ else
+ return DataType;
+
+} // end of GetValType
+
+/***********************************************************************/
+/* Return the Value's Object value. */
+/***********************************************************************/
+PJOB JVALUE::GetObject(void)
+{
+ if (DataType == TYPE_JSON && Jsp->GetType() == TYPE_JOB)
+ return (PJOB)Jsp;
+
+ return NULL;
+} // end of GetObject
+
+/***********************************************************************/
+/* Return the Value's Array value. */
+/***********************************************************************/
+PJAR JVALUE::GetArray(void)
+{
+ if (DataType == TYPE_JSON && Jsp->GetType() == TYPE_JAR)
+ return (PJAR)Jsp;
+
+ return NULL;
+} // end of GetArray
+
+/***********************************************************************/
+/* Return the Value's as a Value class. */
+/***********************************************************************/
+PVAL JVALUE::GetValue(PGLOBAL g)
+{
+ PVAL valp = NULL;
+
+ if (DataType != TYPE_JSON)
+ {
+ if (DataType == TYPE_STRG)
+ valp = AllocateValue(g, Strp, DataType, Nd);
+ else
+ valp = AllocateValue(g, &LLn, DataType, Nd);
+ }
+
+ return valp;
+} // end of GetValue
+
+/***********************************************************************/
+/* Return the Value's Integer value. */
+/***********************************************************************/
+int JVALUE::GetInteger(void) {
+ int n;
+
+ switch (DataType) {
+ case TYPE_INTG: n = N; break;
+ case TYPE_DBL: n = (int)F; break;
+ case TYPE_DTM:
+ case TYPE_STRG: n = atoi(Strp); break;
+ case TYPE_BOOL: n = (B) ? 1 : 0; break;
+ case TYPE_BINT: n = (int)LLn; break;
+ default:
+ n = 0;
+ } // endswitch Type
+
+ return n;
+} // end of GetInteger
+
+/***********************************************************************/
+/* Return the Value's Big integer value. */
+/***********************************************************************/
+long long JVALUE::GetBigint(void)
+{
+ long long lln;
+
+ switch (DataType) {
+ case TYPE_BINT: lln = LLn; break;
+ case TYPE_INTG: lln = (long long)N; break;
+ case TYPE_DBL: lln = (long long)F; break;
+ case TYPE_DTM:
+ case TYPE_STRG: lln = atoll(Strp); break;
+ case TYPE_BOOL: lln = (B) ? 1 : 0; break;
+ default:
+ lln = 0;
+ } // endswitch Type
+
+ return lln;
+} // end of GetBigint
+
+/***********************************************************************/
+/* Return the Value's Double value. */
+/***********************************************************************/
+double JVALUE::GetFloat(void)
+{
+ double d;
+
+ switch (DataType) {
+ case TYPE_DBL: d = F; break;
+ case TYPE_BINT: d = (double)LLn; break;
+ case TYPE_INTG: d = (double)N; break;
+ case TYPE_DTM:
+ case TYPE_STRG: d = atof(Strp); break;
+ case TYPE_BOOL: d = (B) ? 1.0 : 0.0; break;
+ default:
+ d = 0.0;
+ } // endswitch Type
+
+ return d;
+} // end of GetFloat
+
+/***********************************************************************/
+/* Return the Value's String value. */
+/***********************************************************************/
+PSZ JVALUE::GetString(PGLOBAL g, char *buff)
+{
+ char buf[32];
+ char *p = (buff) ? buff : buf;
+
+ switch (DataType) {
+ case TYPE_DTM:
+ case TYPE_STRG:
+ p = Strp;
+ break;
+ case TYPE_INTG:
+ sprintf(p, "%d", N);
+ break;
+ case TYPE_BINT:
+ sprintf(p, "%lld", LLn);
+ break;
+ case TYPE_DBL:
+ sprintf(p, "%.*lf", Nd, F);
+ break;
+ case TYPE_BOOL:
+ p = (char*)((B) ? "true" : "false");
+ break;
+ case TYPE_NULL:
+ p = (char*)"null";
+ break;
+ default:
+ p = NULL;
+ } // endswitch Type
+
+
+ return (p == buf) ? (char*)PlugDup(g, buf) : p;
+} // end of GetString
+
+/***********************************************************************/
+/* Return the Value's String value. */
+/***********************************************************************/
+PSZ JVALUE::GetText(PGLOBAL g, PSTRG text)
+{
+ if (DataType == TYPE_JSON)
+ return Jsp->GetText(g, text);
+
+ char buff[32];
+ PSZ s = (DataType == TYPE_NULL) ? NULL : GetString(g, buff);
+
+ if (s)
+ text->Append(s);
+ else if (GetJsonNull())
+ text->Append(GetJsonNull());
+
+ return NULL;
+} // end of GetText
+
+void JVALUE::SetValue(PJSON jsp)
+{
+ if (DataType == TYPE_JSON && jsp->GetType() == TYPE_JVAL) {
+ Jsp = jsp->GetJsp();
+ Nd = ((PJVAL)jsp)->Nd;
+ DataType = ((PJVAL)jsp)->DataType;
+ // Val = ((PJVAL)jsp)->GetVal();
+ } else {
+ Jsp = jsp;
+ DataType = TYPE_JSON;
+ } // endif Type
+
+} // end of SetValue;
+
+void JVALUE::SetValue(PGLOBAL g, PVAL valp)
+{
+//if (!Val)
+// Val = AllocVal(g, TYPE_VAL);
+
+ if (!valp || valp->IsNull()) {
+ DataType = TYPE_NULL;
+ } else switch (valp->GetType()) {
+ case TYPE_DATE:
+ if (((DTVAL*)valp)->IsFormatted())
+ Strp = PlugDup(g, valp->GetCharValue());
+ else {
+ char buf[32];
+
+ Strp = PlugDup(g, valp->GetCharString(buf));
+ } // endif Formatted
+
+ DataType = TYPE_DTM;
+ break;
+ case TYPE_STRING:
+ Strp = PlugDup(g, valp->GetCharValue());
+ DataType = TYPE_STRG;
+ break;
+ case TYPE_DOUBLE:
+ case TYPE_DECIM:
+ F = valp->GetFloatValue();
+
+ if (IsTypeNum(valp->GetType()))
+ Nd = valp->GetValPrec();
+
+ DataType = TYPE_DBL;
+ break;
+ case TYPE_TINY:
+ B = valp->GetTinyValue() != 0;
+ DataType = TYPE_BOOL;
+ break;
+ case TYPE_INT:
+ N = valp->GetIntValue();
+ DataType = TYPE_INTG;
+ break;
+ case TYPE_BIGINT:
+ LLn = valp->GetBigintValue();
+ DataType = TYPE_BINT;
+ break;
+ default:
+ snprintf(g->Message, sizeof(g->Message), "Unsupported typ %d\n", valp->GetType());
+ throw(777);
+ } // endswitch Type
+
+} // end of SetValue
+
+/***********************************************************************/
+/* Set the Value's value as the given integer. */
+/***********************************************************************/
+void JVALUE::SetInteger(PGLOBAL g, int n)
+{
+ N = n;
+ DataType = TYPE_INTG;
+} // end of SetInteger
+
+/***********************************************************************/
+/* Set the Value's Boolean value as a tiny integer. */
+/***********************************************************************/
+void JVALUE::SetBool(PGLOBAL g, bool b)
+{
+ B = b;
+ DataType = TYPE_BOOL;
+} // end of SetTiny
+
+/***********************************************************************/
+/* Set the Value's value as the given big integer. */
+/***********************************************************************/
+void JVALUE::SetBigint(PGLOBAL g, long long ll)
+{
+ LLn = ll;
+ DataType = TYPE_BINT;
+} // end of SetBigint
+
+/***********************************************************************/
+/* Set the Value's value as the given DOUBLE. */
+/***********************************************************************/
+void JVALUE::SetFloat(PGLOBAL g, double f)
+{
+ F = f;
+ Nd = GetDefaultPrec();
+ DataType = TYPE_DBL;
+} // end of SetFloat
+
+/***********************************************************************/
+/* Set the Value's value as the given string. */
+/***********************************************************************/
+void JVALUE::SetString(PGLOBAL g, PSZ s, int ci)
+{
+ Strp = s;
+ Nd = ci;
+ DataType = TYPE_STRG;
+} // end of SetString
+
+/***********************************************************************/
+/* True when its JSON or normal value is null. */
+/***********************************************************************/
+bool JVALUE::IsNull(void)
+{
+ return (DataType == TYPE_JSON) ? Jsp->IsNull() : DataType == TYPE_NULL;
+} // end of IsNull
+
+
+/* ---------------------------- Class SWAP --------------------------- */
+
+/***********************************************************************/
+/* Replace all pointers by offsets or the opposite. */
+/***********************************************************************/
+void SWAP::SwapJson(PJSON jsp, bool move)
+{
+ if (move)
+ MoffJson(jsp);
+ else
+ MptrJson((PJSON)MakeOff(Base, jsp));
+
+ return;
+} // end of SwapJson
+
+/***********************************************************************/
+/* Replace all pointers by offsets. */
+/***********************************************************************/
+size_t SWAP::MoffJson(PJSON jsp) {
+ size_t res = 0;
+
+ if (jsp)
+ switch (jsp->Type) {
+ case TYPE_JAR:
+ res = MoffArray((PJAR)jsp);
+ break;
+ case TYPE_JOB:
+ res = MoffObject((PJOB)jsp);
+ break;
+ case TYPE_JVAL:
+ res = MoffJValue((PJVAL)jsp);
+ break;
+ default:
+ throw "Invalid json tree";
+ } // endswitch Type
+
+ return res;
+} // end of MoffJson
+
+/***********************************************************************/
+/* Replace all array pointers by offsets. */
+/***********************************************************************/
+size_t SWAP::MoffArray(PJAR jarp)
+{
+ if (jarp->First) {
+ for (int i = 0; i < jarp->Size; i++)
+ jarp->Mvals[i] = (PJVAL)MakeOff(Base, jarp->Mvals[i]);
+
+ jarp->Mvals = (PJVAL*)MakeOff(Base, jarp->Mvals);
+ jarp->First = (PJVAL)MoffJValue(jarp->First);
+ jarp->Last = (PJVAL)MakeOff(Base, jarp->Last);
+ } // endif First
+
+ return MakeOff(Base, jarp);
+} // end of MoffArray
+
+/***********************************************************************/
+/* Replace all object pointers by offsets. */
+/***********************************************************************/
+size_t SWAP::MoffObject(PJOB jobp) {
+ if (jobp->First) {
+ jobp->First = (PJPR)MoffPair(jobp->First);
+ jobp->Last = (PJPR)MakeOff(Base, jobp->Last);
+ } // endif First
+
+ return MakeOff(Base, jobp);
+} // end of MoffObject
+
+/***********************************************************************/
+/* Replace all pair pointers by offsets. */
+/***********************************************************************/
+size_t SWAP::MoffPair(PJPR jpp) {
+ jpp->Key = (PCSZ)MakeOff(Base, (void*)jpp->Key);
+
+ if (jpp->Val)
+ jpp->Val = (PJVAL)MoffJValue(jpp->Val);
+
+ if (jpp->Next)
+ jpp->Next = (PJPR)MoffPair(jpp->Next);
+
+ return MakeOff(Base, jpp);
+} // end of MoffPair
+
+/***********************************************************************/
+/* Replace all jason value pointers by offsets. */
+/***********************************************************************/
+size_t SWAP::MoffJValue(PJVAL jvp) {
+ if (!jvp->Del) {
+ if (jvp->DataType == TYPE_JSON)
+ jvp->Jsp = (PJSON)MoffJson(jvp->Jsp);
+ else if (jvp->DataType == TYPE_STRG)
+ jvp->Strp = (PSZ)MakeOff(Base, (jvp->Strp));
+
+// if (jvp->Val)
+// jvp->Val = (PVL)MoffVal(jvp->Val);
+
+ } // endif Del
+
+ if (jvp->Next)
+ jvp->Next = (PJVAL)MoffJValue(jvp->Next);
+
+ return MakeOff(Base, jvp);
+} // end of MoffJValue
+
+#if 0
+/***********************************************************************/
+/* Replace string pointers by offset. */
+/***********************************************************************/
+size_t SWAP::MoffVal(PVL vlp) {
+ if (vlp->Type == TYPE_STRG)
+ vlp->Strp = (PSZ)MakeOff(Base, (vlp->Strp));
+
+ return MakeOff(Base, vlp);
+} // end of MoffVal
+#endif // 0
+
+/***********************************************************************/
+/* Replace all offsets by pointers. */
+/***********************************************************************/
+PJSON SWAP::MptrJson(PJSON ojp) { // ojp is an offset
+ PJSON jsp = (PJSON)MakePtr(Base, (size_t)ojp);
+
+ if (ojp)
+ switch (jsp->Type) {
+ case TYPE_JAR:
+ jsp = MptrArray((PJAR)ojp);
+ break;
+ case TYPE_JOB:
+ jsp = MptrObject((PJOB)ojp);
+ break;
+ case TYPE_JVAL:
+ jsp = MptrJValue((PJVAL)ojp);
+ break;
+ default:
+ throw "Invalid json tree";
+ } // endswitch Type
+
+ return jsp;
+} // end of MptrJson
+
+/***********************************************************************/
+/* Replace all array offsets by pointers. */
+/***********************************************************************/
+PJAR SWAP::MptrArray(PJAR ojar) {
+ PJAR jarp = (PJAR)MakePtr(Base, (size_t)ojar);
+
+ jarp = (PJAR)new((long long)jarp) JARRAY(0);
+
+ if (jarp->First) {
+ jarp->Mvals = (PJVAL*)MakePtr(Base, (size_t)jarp->Mvals);
+
+ for (int i = 0; i < jarp->Size; i++)
+ jarp->Mvals[i] = (PJVAL)MakePtr(Base, (size_t)jarp->Mvals[i]);
+
+ jarp->First = (PJVAL)MptrJValue(jarp->First);
+ jarp->Last = (PJVAL)MakePtr(Base, (size_t)jarp->Last);
+ } // endif First
+
+ return jarp;
+} // end of MptrArray
+
+/***********************************************************************/
+/* Replace all object offsets by pointers. */
+/***********************************************************************/
+PJOB SWAP::MptrObject(PJOB ojob) {
+ PJOB jobp = (PJOB)MakePtr(Base, (size_t)ojob);
+
+ jobp = (PJOB)new((long long)jobp) JOBJECT(0);
+
+ if (jobp->First) {
+ jobp->First = (PJPR)MptrPair(jobp->First);
+ jobp->Last = (PJPR)MakePtr(Base, (size_t)jobp->Last);
+ } // endif First
+
+ return jobp;
+} // end of MptrObject
+
+/***********************************************************************/
+/* Replace all pair offsets by pointers. */
+/***********************************************************************/
+PJPR SWAP::MptrPair(PJPR ojp) {
+ PJPR jpp = (PJPR)MakePtr(Base, (size_t)ojp);
+
+ jpp->Key = (PCSZ)MakePtr(Base, (size_t)jpp->Key);
+
+ if (jpp->Val)
+ jpp->Val = (PJVAL)MptrJValue(jpp->Val);
+
+ if (jpp->Next)
+ jpp->Next = (PJPR)MptrPair(jpp->Next);
+
+ return jpp;
+} // end of MptrPair
+
+/***********************************************************************/
+/* Replace all value offsets by pointers. */
+/***********************************************************************/
+PJVAL SWAP::MptrJValue(PJVAL ojv) {
+ PJVAL jvp = (PJVAL)MakePtr(Base, (size_t)ojv);
+
+ jvp = (PJVAL)new((long long)jvp) JVALUE(0);
+
+ if (!jvp->Del) {
+ if (jvp->DataType == TYPE_JSON)
+ jvp->Jsp = (PJSON)MptrJson(jvp->Jsp);
+ else if (jvp->DataType == TYPE_STRG)
+ jvp->Strp = (PSZ)MakePtr(Base, (size_t)jvp->Strp);
+
+// if (jvp->Val)
+// jvp->Val = (PVL)MptrVal(jvp->Val);
+
+ } // endif Del
+
+ if (jvp->Next)
+ jvp->Next = (PJVAL)MptrJValue(jvp->Next);
+
+ return jvp;
+} // end of MptrJValue
+
+#if 0
+/***********************************************************************/
+/* Replace string offsets by a pointer. */
+/***********************************************************************/
+PVL SWAP::MptrVal(PVL ovl) {
+ PVL vlp = (PVL)MakePtr(Base, (size_t)ovl);
+
+ if (vlp->Type == TYPE_STRG)
+ vlp->Strp = (PSZ)MakePtr(Base, (size_t)vlp->Strp);
+
+ return vlp;
+} // end of MptrValue
+#endif // 0
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 02:05:30 +0000