Rename 'digikam' folder to 'src'

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

1 files changed, 311 insertions, 0 deletions

diff --git a/src/libs/sqlite2/attach.c b/src/libs/sqlite2/attach.c
new file mode 100644
index 00000000..316d0d2a
--- /dev/null
+++ b/src/libs/sqlite2/attach.c
@@ -0,0 +1,311 @@
+/*
+** 2003 April 6
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+*************************************************************************
+** This file contains code used to implement the ATTACH and DETACH commands.
+**
+** $Id: attach.c 326789 2004-07-07 21:25:56Z pahlibar $
+*/
+#include "sqliteInt.h"
+
+/*
+** This routine is called by the parser to process an ATTACH statement:
+**
+**     ATTACH DATABASE filename AS dbname
+**
+** The pFilename and pDbname arguments are the tokens that define the
+** filename and dbname in the ATTACH statement.
+*/
+void sqliteAttach(Parse *pParse, Token *pFilename, Token *pDbname, Token *pKey){
+  Db *aNew;
+  int rc, i;
+  char *zFile, *zName;
+  sqlite *db;
+  Vdbe *v;
+
+  v = sqliteGetVdbe(pParse);
+  sqliteVdbeAddOp(v, OP_Halt, 0, 0);
+  if( pParse->explain ) return;
+  db = pParse->db;
+  if( db->file_format<4 ){
+    sqliteErrorMsg(pParse, "cannot attach auxiliary databases to an "
+       "older format master database", 0);
+    pParse->rc = SQLITE_ERROR;
+    return;
+  }
+  if( db->nDb>=MAX_ATTACHED+2 ){
+    sqliteErrorMsg(pParse, "too many attached databases - max %d", 
+       MAX_ATTACHED);
+    pParse->rc = SQLITE_ERROR;
+    return;
+  }
+
+  zFile = 0;
+  sqliteSetNString(&zFile, pFilename->z, pFilename->n, 0);
+  if( zFile==0 ) return;
+  sqliteDequote(zFile);
+#ifndef SQLITE_OMIT_AUTHORIZATION
+  if( sqliteAuthCheck(pParse, SQLITE_ATTACH, zFile, 0, 0)!=SQLITE_OK ){
+    sqliteFree(zFile);
+    return;
+  }
+#endif /* SQLITE_OMIT_AUTHORIZATION */
+
+  zName = 0;
+  sqliteSetNString(&zName, pDbname->z, pDbname->n, 0);
+  if( zName==0 ) return;
+  sqliteDequote(zName);
+  for(i=0; i<db->nDb; i++){
+    if( db->aDb[i].zName && sqliteStrICmp(db->aDb[i].zName, zName)==0 ){
+      sqliteErrorMsg(pParse, "database %z is already in use", zName);
+      pParse->rc = SQLITE_ERROR;
+      sqliteFree(zFile);
+      return;
+    }
+  }
+
+  if( db->aDb==db->aDbStatic ){
+    aNew = sqliteMalloc( sizeof(db->aDb[0])*3 );
+    if( aNew==0 ) return;
+    memcpy(aNew, db->aDb, sizeof(db->aDb[0])*2);
+  }else{
+    aNew = sqliteRealloc(db->aDb, sizeof(db->aDb[0])*(db->nDb+1) );
+    if( aNew==0 ) return;
+  }
+  db->aDb = aNew;
+  aNew = &db->aDb[db->nDb++];
+  memset(aNew, 0, sizeof(*aNew));
+  sqliteHashInit(&aNew->tblHash, SQLITE_HASH_STRING, 0);
+  sqliteHashInit(&aNew->idxHash, SQLITE_HASH_STRING, 0);
+  sqliteHashInit(&aNew->trigHash, SQLITE_HASH_STRING, 0);
+  sqliteHashInit(&aNew->aFKey, SQLITE_HASH_STRING, 1);
+  aNew->zName = zName;
+  rc = sqliteBtreeFactory(db, zFile, 0, MAX_PAGES, &aNew->pBt);
+  if( rc ){
+    sqliteErrorMsg(pParse, "unable to open database: %s", zFile);
+  }
+#if SQLITE_HAS_CODEC
+  {
+    extern int sqliteCodecAttach(sqlite*, int, void*, int);
+    char *zKey = 0;
+    int nKey;
+    if( pKey && pKey->z && pKey->n ){
+      sqliteSetNString(&zKey, pKey->z, pKey->n, 0);
+      sqliteDequote(zKey);
+      nKey = strlen(zKey);
+    }else{
+      zKey = 0;
+      nKey = 0;
+    }
+    sqliteCodecAttach(db, db->nDb-1, zKey, nKey);
+  }
+#endif
+  sqliteFree(zFile);
+  db->flags &= ~SQLITE_Initialized;
+  if( pParse->nErr ) return;
+  if( rc==SQLITE_OK ){
+    rc = sqliteInit(pParse->db, &pParse->zErrMsg);
+  }
+  if( rc ){
+    int i = db->nDb - 1;
+    assert( i>=2 );
+    if( db->aDb[i].pBt ){
+      sqliteBtreeClose(db->aDb[i].pBt);
+      db->aDb[i].pBt = 0;
+    }
+    sqliteResetInternalSchema(db, 0);
+    pParse->nErr++;
+    pParse->rc = SQLITE_ERROR;
+  }
+}
+
+/*
+** This routine is called by the parser to process a DETACH statement:
+**
+**    DETACH DATABASE dbname
+**
+** The pDbname argument is the name of the database in the DETACH statement.
+*/
+void sqliteDetach(Parse *pParse, Token *pDbname){
+  int i;
+  sqlite *db;
+  Vdbe *v;
+  Db *pDb;
+
+  v = sqliteGetVdbe(pParse);
+  sqliteVdbeAddOp(v, OP_Halt, 0, 0);
+  if( pParse->explain ) return;
+  db = pParse->db;
+  for(i=0; i<db->nDb; i++){
+    pDb = &db->aDb[i];
+    if( pDb->pBt==0 || pDb->zName==0 ) continue;
+    if( strlen(pDb->zName)!=pDbname->n ) continue;
+    if( sqliteStrNICmp(pDb->zName, pDbname->z, pDbname->n)==0 ) break;
+  }
+  if( i>=db->nDb ){
+    sqliteErrorMsg(pParse, "no such database: %T", pDbname);
+    return;
+  }
+  if( i<2 ){
+    sqliteErrorMsg(pParse, "cannot detach database %T", pDbname);
+    return;
+  }
+#ifndef SQLITE_OMIT_AUTHORIZATION
+  if( sqliteAuthCheck(pParse,SQLITE_DETACH,db->aDb[i].zName,0,0)!=SQLITE_OK ){
+    return;
+  }
+#endif /* SQLITE_OMIT_AUTHORIZATION */
+  sqliteBtreeClose(pDb->pBt);
+  pDb->pBt = 0;
+  sqliteFree(pDb->zName);
+  sqliteResetInternalSchema(db, i);
+  if( pDb->pAux && pDb->xFreeAux ) pDb->xFreeAux(pDb->pAux);
+  db->nDb--;
+  if( i<db->nDb ){
+    db->aDb[i] = db->aDb[db->nDb];
+    memset(&db->aDb[db->nDb], 0, sizeof(db->aDb[0]));
+    sqliteResetInternalSchema(db, i);
+  }
+}
+
+/*
+** Initialize a DbFixer structure.  This routine must be called prior
+** to passing the structure to one of the sqliteFixAAAA() routines below.
+**
+** The return value indicates whether or not fixation is required.  TRUE
+** means we do need to fix the database references, FALSE means we do not.
+*/
+int sqliteFixInit(
+  DbFixer *pFix,      /* The fixer to be initialized */
+  Parse *pParse,      /* Error messages will be written here */
+  int iDb,            /* This is the database that must must be used */
+  const char *zType,  /* "view", "trigger", or "index" */
+  const Token *pName  /* Name of the view, trigger, or index */
+){
+  sqlite *db;
+
+  if( iDb<0 || iDb==1 ) return 0;
+  db = pParse->db;
+  assert( db->nDb>iDb );
+  pFix->pParse = pParse;
+  pFix->zDb = db->aDb[iDb].zName;
+  pFix->zType = zType;
+  pFix->pName = pName;
+  return 1;
+}
+
+/*
+** The following set of routines walk through the parse tree and assign
+** a specific database to all table references where the database name
+** was left unspecified in the original SQL statement.  The pFix structure
+** must have been initialized by a prior call to sqliteFixInit().
+**
+** These routines are used to make sure that an index, trigger, or
+** view in one database does not refer to objects in a different database.
+** (Exception: indices, triggers, and views in the TEMP database are
+** allowed to refer to anything.)  If a reference is explicitly made
+** to an object in a different database, an error message is added to
+** pParse->zErrMsg and these routines return non-zero.  If everything
+** checks out, these routines return 0.
+*/
+int sqliteFixSrcList(
+  DbFixer *pFix,       /* Context of the fixation */
+  SrcList *pList       /* The Source list to check and modify */
+){
+  int i;
+  const char *zDb;
+
+  if( pList==0 ) return 0;
+  zDb = pFix->zDb;
+  for(i=0; i<pList->nSrc; i++){
+    if( pList->a[i].zDatabase==0 ){
+      pList->a[i].zDatabase = sqliteStrDup(zDb);
+    }else if( sqliteStrICmp(pList->a[i].zDatabase,zDb)!=0 ){
+      sqliteErrorMsg(pFix->pParse,
+         "%s %z cannot reference objects in database %s",
+         pFix->zType, sqliteStrNDup(pFix->pName->z, pFix->pName->n),
+         pList->a[i].zDatabase);
+      return 1;
+    }
+    if( sqliteFixSelect(pFix, pList->a[i].pSelect) ) return 1;
+    if( sqliteFixExpr(pFix, pList->a[i].pOn) ) return 1;
+  }
+  return 0;
+}
+int sqliteFixSelect(
+  DbFixer *pFix,       /* Context of the fixation */
+  Select *pSelect      /* The SELECT statement to be fixed to one database */
+){
+  while( pSelect ){
+    if( sqliteFixExprList(pFix, pSelect->pEList) ){
+      return 1;
+    }
+    if( sqliteFixSrcList(pFix, pSelect->pSrc) ){
+      return 1;
+    }
+    if( sqliteFixExpr(pFix, pSelect->pWhere) ){
+      return 1;
+    }
+    if( sqliteFixExpr(pFix, pSelect->pHaving) ){
+      return 1;
+    }
+    pSelect = pSelect->pPrior;
+  }
+  return 0;
+}
+int sqliteFixExpr(
+  DbFixer *pFix,     /* Context of the fixation */
+  Expr *pExpr        /* The expression to be fixed to one database */
+){
+  while( pExpr ){
+    if( sqliteFixSelect(pFix, pExpr->pSelect) ){
+      return 1;
+    }
+    if( sqliteFixExprList(pFix, pExpr->pList) ){
+      return 1;
+    }
+    if( sqliteFixExpr(pFix, pExpr->pRight) ){
+      return 1;
+    }
+    pExpr = pExpr->pLeft;
+  }
+  return 0;
+}
+int sqliteFixExprList(
+  DbFixer *pFix,     /* Context of the fixation */
+  ExprList *pList    /* The expression to be fixed to one database */
+){
+  int i;
+  if( pList==0 ) return 0;
+  for(i=0; i<pList->nExpr; i++){
+    if( sqliteFixExpr(pFix, pList->a[i].pExpr) ){
+      return 1;
+    }
+  }
+  return 0;
+}
+int sqliteFixTriggerStep(
+  DbFixer *pFix,     /* Context of the fixation */
+  TriggerStep *pStep /* The trigger step be fixed to one database */
+){
+  while( pStep ){
+    if( sqliteFixSelect(pFix, pStep->pSelect) ){
+      return 1;
+    }
+    if( sqliteFixExpr(pFix, pStep->pWhere) ){
+      return 1;
+    }
+    if( sqliteFixExprList(pFix, pStep->pExprList) ){
+      return 1;
+    }
+    pStep = pStep->pNext;
+  }
+  return 0;
+}