diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/json.c | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/src/json.c b/src/json.c index 81111fff1..3636d3665 100644 --- a/src/json.c +++ b/src/json.c @@ -2275,6 +2275,33 @@ static int jsonEachNext(sqlite3_vtab_cursor *cur){ return SQLITE_OK; } +/* Append an object label to the JSON Path being constructed +** in pStr. +*/ +static void jsonAppendObjectPathElement( + JsonString *pStr, + JsonNode *pNode +){ + int jj, nn; + const char *z; + assert( pNode->eType==JSON_STRING ); + assert( pNode->jnFlags & JNODE_LABEL ); + assert( pNode->eU==1 ); + z = pNode->u.zJContent; + nn = pNode->n; + assert( nn>=2 ); + assert( z[0]=='"' ); + assert( z[nn-1]=='"' ); + if( nn>2 && sqlite3Isalpha(z[1]) ){ + for(jj=2; jj<nn-1 && sqlite3Isalnum(z[jj]); jj++){} + if( jj==nn-1 ){ + z++; + nn -= 2; + } + } + jsonPrintf(nn+2, pStr, ".%.*s", nn, z); +} + /* Append the name of the path for element i to pStr */ static void jsonEachComputePath( @@ -2299,10 +2326,7 @@ static void jsonEachComputePath( }else{ assert( pUp->eType==JSON_OBJECT ); if( (pNode->jnFlags & JNODE_LABEL)==0 ) pNode--; - assert( pNode->eType==JSON_STRING ); - assert( pNode->jnFlags & JNODE_LABEL ); - assert( pNode->eU==1 ); - jsonPrintf(pNode->n+1, pStr, ".%.*s", pNode->n-2, pNode->u.zJContent+1); + jsonAppendObjectPathElement(pStr, pNode); } } @@ -2373,8 +2397,7 @@ static int jsonEachColumn( if( p->eType==JSON_ARRAY ){ jsonPrintf(30, &x, "[%d]", p->iRowid); }else if( p->eType==JSON_OBJECT ){ - assert( pThis->eU==1 ); - jsonPrintf(pThis->n, &x, ".%.*s", pThis->n-2, pThis->u.zJContent+1); + jsonAppendObjectPathElement(&x, pThis); } } jsonResult(&x); |