Enhance the (undocumented, debug-only) json_parse() SQL function so that it
returns the text rendering of the JSONB parse of the input, rather than printing the rendering on stdout. FossilOrigin-Name: 056de8d551dcbdf1d162e2db15ed418fa9c786f900cd3972ef8a1dea3f4f3aa1
This commit is contained in:
drh
parent
d9ac37fc44
commit
0546a284fa
14
manifest
14
manifest
@ -1,5 +1,5 @@
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C Fix\sa\sproblem\sin\sthe\sshell\stool\s(not\slibrary)\scausing\san\sout-of-bounds\swrite\sif\san\s".open"\scommand\sfailed,\sthen\sthe\suser\spressed\sctrl-c\sto\sinterrupt\sa\squery\srunning\son\sthe\ssubstitute\sin-memory\sdatabase.
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D 2023-12-27T16:24:53.514
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C Enhance\sthe\s(undocumented,\sdebug-only)\sjson_parse()\sSQL\sfunction\sso\sthat\sit\nreturns\sthe\stext\srendering\sof\sthe\sJSONB\sparse\sof\sthe\sinput,\srather\sthan\sprinting\nthe\srendering\son\sstdout.
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D 2023-12-28T16:21:22.018
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F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
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F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
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F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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@ -697,7 +697,7 @@ F src/hash.h 3340ab6e1d13e725571d7cee6d3e3135f0779a7d8e76a9ce0a85971fa3953c51
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F src/hwtime.h f9c2dfb84dce7acf95ce6d289e46f5f9d3d1afd328e53da8f8e9008e3b3caae6
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F src/in-operator.md 10cd8f4bcd225a32518407c2fb2484089112fd71
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F src/insert.c 3f0a94082d978bbdd33c38fefea15346c6c6bffb70bc645a71dc0f1f87dd3276
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F src/json.c bc90605da937ca0cd72ff0492216fbb38fd8f9025e6344499f9db235be98e36f
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F src/json.c 4e389cbf100c53c19fff7e6fca50efb8b1ed989350eb1ae25e2950416cc9c972
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F src/legacy.c d7874bc885906868cd51e6c2156698f2754f02d9eee1bae2d687323c3ca8e5aa
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F src/loadext.c 7432c944ff197046d67a1207790a1b13eec4548c85a9457eb0896bb3641dfb36
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F src/main.c ce714ee501122c76eb2e69b292bebe443aba611fc3b88e6786eb910285515fe4
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@ -2156,8 +2156,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P 1a8a9b1c89519d265869251e8b6d3c5db733f0d3a7dea6c7962811a8f1157dff
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R 9be7ded4b93fb872773060703710555e
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U dan
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Z 20de7b64b135a6b7a6b0796593663512
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P 026618b9e321576f616a32e41329066ba629814170c6cfeef35430343f5003f3
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R 4f345097ec9904c5b67a6755cec93b7a
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U drh
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Z 755e762b4bd7fb34fd05935917357de5
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# Remove this line to create a well-formed Fossil manifest.
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@ -1 +1 @@
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026618b9e321576f616a32e41329066ba629814170c6cfeef35430343f5003f3
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056de8d551dcbdf1d162e2db15ed418fa9c786f900cd3972ef8a1dea3f4f3aa1
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76
src/json.c
76
src/json.c
@ -3351,14 +3351,15 @@ static void jsonDebugPrintBlob(
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JsonParse *pParse, /* JSON content */
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u32 iStart, /* Start rendering here */
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u32 iEnd, /* Do not render this byte or any byte after this one */
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int nIndent /* Indent by this many spaces */
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int nIndent, /* Indent by this many spaces */
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sqlite3_str *pOut /* Generate output into this sqlite3_str object */
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){
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while( iStart<iEnd ){
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u32 i, n, nn, sz = 0;
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int showContent = 1;
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u8 x = pParse->aBlob[iStart] & 0x0f;
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u32 savedNBlob = pParse->nBlob;
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printf("%5d:%*s", iStart, nIndent, "");
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sqlite3_str_appendf(pOut, "%5d:%*s", iStart, nIndent, "");
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if( pParse->nBlobAlloc>pParse->nBlob ){
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pParse->nBlob = pParse->nBlobAlloc;
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}
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@ -3367,9 +3368,11 @@ static void jsonDebugPrintBlob(
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if( sz>0 && x<JSONB_ARRAY ){
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nn += sz;
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}
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for(i=0; i<nn; i++) printf(" %02x", pParse->aBlob[iStart+i]);
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for(i=0; i<nn; i++){
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sqlite3_str_appendf(pOut, " %02x", pParse->aBlob[iStart+i]);
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}
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if( n==0 ){
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printf(" ERROR invalid node size\n");
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sqlite3_str_appendf(pOut, " ERROR invalid node size\n");
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iStart = n==0 ? iStart+1 : iEnd;
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continue;
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}
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@ -3384,55 +3387,57 @@ static void jsonDebugPrintBlob(
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}
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}
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}
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printf(" <-- ");
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sqlite3_str_appendall(pOut," <-- ");
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switch( x ){
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case JSONB_NULL: printf("null"); break;
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case JSONB_TRUE: printf("true"); break;
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case JSONB_FALSE: printf("false"); break;
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case JSONB_INT: printf("int"); break;
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case JSONB_INT5: printf("int5"); break;
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case JSONB_FLOAT: printf("float"); break;
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case JSONB_FLOAT5: printf("float5"); break;
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case JSONB_TEXT: printf("text"); break;
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case JSONB_TEXTJ: printf("textj"); break;
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case JSONB_TEXT5: printf("text5"); break;
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case JSONB_TEXTRAW: printf("textraw"); break;
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case JSONB_NULL: sqlite3_str_appendall(pOut,"null"); break;
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case JSONB_TRUE: sqlite3_str_appendall(pOut,"true"); break;
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case JSONB_FALSE: sqlite3_str_appendall(pOut,"false"); break;
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case JSONB_INT: sqlite3_str_appendall(pOut,"int"); break;
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case JSONB_INT5: sqlite3_str_appendall(pOut,"int5"); break;
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case JSONB_FLOAT: sqlite3_str_appendall(pOut,"float"); break;
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case JSONB_FLOAT5: sqlite3_str_appendall(pOut,"float5"); break;
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case JSONB_TEXT: sqlite3_str_appendall(pOut,"text"); break;
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case JSONB_TEXTJ: sqlite3_str_appendall(pOut,"textj"); break;
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case JSONB_TEXT5: sqlite3_str_appendall(pOut,"text5"); break;
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case JSONB_TEXTRAW: sqlite3_str_appendall(pOut,"textraw"); break;
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case JSONB_ARRAY: {
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printf("array, %u bytes\n", sz);
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jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2);
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sqlite3_str_appendf(pOut,"array, %u bytes\n", sz);
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jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2, pOut);
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showContent = 0;
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break;
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}
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case JSONB_OBJECT: {
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printf("object, %u bytes\n", sz);
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jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2);
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sqlite3_str_appendf(pOut, "object, %u bytes\n", sz);
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jsonDebugPrintBlob(pParse, iStart+n, iStart+n+sz, nIndent+2, pOut);
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showContent = 0;
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break;
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}
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default: {
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printf("ERROR: unknown node type\n");
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sqlite3_str_appendall(pOut, "ERROR: unknown node type\n");
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showContent = 0;
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break;
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}
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}
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if( showContent ){
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if( sz==0 && x<=JSONB_FALSE ){
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printf("\n");
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sqlite3_str_append(pOut, "\n", 1);
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}else{
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u32 i;
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printf(": \"");
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sqlite3_str_appendall(pOut, ": \"");
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for(i=iStart+n; i<iStart+n+sz; i++){
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u8 c = pParse->aBlob[i];
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if( c<0x20 || c>=0x7f ) c = '.';
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putchar(c);
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sqlite3_str_append(pOut, (char*)&c, 1);
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}
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printf("\"\n");
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sqlite3_str_append(pOut, "\"\n", 2);
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}
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}
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iStart += n + sz;
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}
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}
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static void jsonShowParse(JsonParse *pParse){
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sqlite3_str out;
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char zBuf[1000];
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if( pParse==0 ){
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printf("NULL pointer\n");
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return;
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@ -3443,7 +3448,10 @@ static void jsonShowParse(JsonParse *pParse){
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if( pParse->nBlob==0 ) return;
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printf("content (bytes 0..%u):\n", pParse->nBlob-1);
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}
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jsonDebugPrintBlob(pParse, 0, pParse->nBlob, 0);
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sqlite3StrAccumInit(&out, 0, zBuf, sizeof(zBuf), 1000000);
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jsonDebugPrintBlob(pParse, 0, pParse->nBlob, 0, &out);
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printf("%s", sqlite3_str_value(&out));
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sqlite3_str_reset(&out);
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}
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#endif /* SQLITE_DEBUG */
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@ -3451,8 +3459,8 @@ static void jsonShowParse(JsonParse *pParse){
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/*
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** SQL function: json_parse(JSON)
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**
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** Parse JSON using jsonParseFuncArg(). Then print a dump of that
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** parse on standard output.
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** Parse JSON using jsonParseFuncArg(). Return text that is a
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** human-readable dump of the binary JSONB for the input parameter.
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*/
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static void jsonParseFunc(
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sqlite3_context *ctx,
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@ -3460,10 +3468,18 @@ static void jsonParseFunc(
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sqlite3_value **argv
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){
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JsonParse *p; /* The parse */
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sqlite3_str out;
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assert( argc==1 );
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assert( argc>=1 );
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sqlite3StrAccumInit(&out, 0, 0, 0, 1000000);
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p = jsonParseFuncArg(ctx, argv[0], 0);
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jsonShowParse(p);
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if( p==0 ) return;
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if( argc==1 ){
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jsonDebugPrintBlob(p, 0, p->nBlob, 0, &out);
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sqlite3_result_text64(ctx, out.zText, out.nChar, sqlite3_free, SQLITE_UTF8);
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}else{
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jsonShowParse(p);
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}
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jsonParseFree(p);
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}
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#endif /* SQLITE_DEBUG */
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