Implement JSON mode.

FossilOrigin-Name: c3b6339162a4feb6de9828d613bf2c5a43f2b0e5dead9cf5c24cf78ac821b305

ext/qrf/qrf.c

@@ -404,6 +404,7 @@ static void qrfEncodeText(Qrf *p, sqlite3_str *pOut, const char *zTxt){
         if( i>0 ){
           sqlite3_str_append(pOut, (const char*)z, i);
         }
+        if( z[i]==0 ) break;
         switch( z[i] ){
           case '"':   sqlite3_str_append(pOut, "\\\"", 2);  break;
           case '\\':  sqlite3_str_append(pOut, "\\\\", 2);  break;
@@ -1124,6 +1125,20 @@ static void qrfInitialize(
   sz = sizeof(sqlite3_qrf_spec);
   memcpy(&p->spec, pSpec, sz);
   if( p->spec.zNull==0 ) p->spec.zNull = "";
+  switch( p->spec.eFormat ){
+    case QRF_MODE_List: {
+      if( p->spec.zColumnSep==0 ) p->spec.zColumnSep = "|";
+      if( p->spec.zRowSep==0 ) p->spec.zRowSep = "\n";
+      break;
+    }
+    case QRF_MODE_Json: {
+      p->spec.zColumnSep = ",";
+      p->spec.eQuote = QRF_TXT_Json;
+      p->spec.eBlob = QRF_BLOB_Json;
+      p->spec.zNull = "null";
+      break;
+    }
+  }
   if( p->spec.eBlob==QRF_BLOB_Auto ){
     switch( p->spec.eQuote ){
       case QRF_TXT_Sql:  p->spec.eBlob = QRF_BLOB_Sql;  break;
@@ -1153,6 +1168,22 @@ static void qrfOneSimpleRow(Qrf *p){
       /* No-op */
       break;
     }
+    case QRF_MODE_Json: {
+      if( p->nRow==0 ){
+        sqlite3_str_append(p->pOut, "[{", 2);
+      }else{
+        sqlite3_str_append(p->pOut, "},\n{", 4);
+      }
+      for(i=0; i<p->nCol; i++){
+        const char *zCName = sqlite3_column_name(p->pStmt, i);
+        if( i>0 ) sqlite3_str_append(p->pOut, ",", 1);
+        qrfEncodeText(p, p->pOut, zCName);
+        sqlite3_str_append(p->pOut, ":", 1);
+        qrfRenderValue(p, p->pOut, i);
+      }
+      qrfWrite(p);
+      break;
+    }
     default: {  /* QRF_MODE_List */
       if( p->nRow==0 && p->spec.bShowCNames ){
         for(i=0; i<p->nCol; i++){
@@ -1185,6 +1216,11 @@ static void qrfFinalize(Qrf *p){
       qrfWrite(p);
       break;
     }
+    case QRF_MODE_Json: {
+      sqlite3_str_append(p->pOut, "}]\n", 3);
+      qrfWrite(p);
+      break;
+    }
   }
   if( p->spec.pzOutput ){
     *p->spec.pzOutput = sqlite3_str_finish(p->pOut);

manifest

@@ -1,5 +1,5 @@
-C Assigned\swidths\sand\salignments\son\scolumns.
-D 2025-10-22T21:24:17.507
+C Implement\sJSON\smode.
+D 2025-10-23T16:22:01.504
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -417,7 +417,7 @@ F ext/misc/windirent.h 02211ce51f3034c675f2dbf4d228194d51b3ee05734678bad5106fff6
 F ext/misc/zipfile.c 09e6e3a3ff40a99677de3c0bc6569bd5f4709b1844ac3d1c1452a456c5a62f1c
 F ext/misc/zorder.c bddff2e1b9661a90c95c2a9a9c7ecd8908afab5763256294dd12d609d4664eee
 F ext/qrf/qrf-tester.c 4212d01e1408591c6e6b081d119e125c97efea5a2f97f4ff05c28b8a5e1272bc
-F ext/qrf/qrf.c 7a7ffe0839f36618dd16139c9452b609732a374fa56010cf6f69850b60255ca1
+F ext/qrf/qrf.c a28c67a3b94877c622f089a70b2b5229460dcc4efb14cf4fd46320a1b8a24ee5
 F ext/qrf/qrf.h 8ad45ac2a8661010c936778bb017cb691fddf2fe27546feb28ca67a0f88967e3
 F ext/qrf/qrf.md 4eea619191dab7bbf483eff3fe3b074a07d7c8c50bc86070a4485797d386d1ff
 F ext/rbu/rbu.c 801450b24eaf14440d8fd20385aacc751d5c9d6123398df41b1b5aa804bf4ce8
@@ -2175,8 +2175,8 @@ F tool/version-info.c 33d0390ef484b3b1cb685d59362be891ea162123cea181cb8e6d2cf6dd
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P ed1c8a62ff6985845a2b664f12752f97404b0449e4290d8604a215406590290c
-R 225cfbc7236ef4dc95d19fc105dec938
+P f6359f2fa776ef04449660a3452fdf7ee943523bf3290f3c0e15693962bca1db
+R e501606c5f55a19731b28d802dbcbb18
 U drh
-Z bcc06565d01477b5bd4c299226559b64
+Z 064a6cc1daa2659726b38baf8932124c
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-f6359f2fa776ef04449660a3452fdf7ee943523bf3290f3c0e15693962bca1db
+c3b6339162a4feb6de9828d613bf2c5a43f2b0e5dead9cf5c24cf78ac821b305