Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 187 insertions, 0 deletions

diff --git a/kabc/plugins/evolution/dbwrapper.cpp b/kabc/plugins/evolution/dbwrapper.cpp
new file mode 100644
index 000000000..cc566344c
--- /dev/null
+++ b/kabc/plugins/evolution/dbwrapper.cpp
@@ -0,0 +1,187 @@
+#include <db.h>
+
+#include <qfile.h>
+
+#include "dbwrapper.h"
+
+
+using namespace Evolution;
+
+struct DBIterator::Data {
+    DBWrapper *wrapper;
+    QString key;
+    QString data;
+    DBC* cursor;
+    bool atEnd;
+};
+
+DBIterator::DBIterator( DBWrapper* wra) {
+    data = new Data;
+    data->wrapper = wra;
+    data->atEnd = false;
+    data->cursor = 0l;
+}
+DBIterator::DBIterator( const DBIterator& copy ) {
+    data = new Data;
+    data->wrapper = copy.data->wrapper;
+    data->key = copy.data->key;
+    data->data = copy.data->data;
+    data->atEnd = copy.data->atEnd;
+    if (copy.data->cursor )
+        copy.data->cursor->c_dup(copy.data->cursor, &data->cursor, 0 );
+    else
+        data->cursor = 0l;
+}
+DBIterator::~DBIterator() {
+    if (data->cursor)
+        data->cursor->c_close(data->cursor);
+    delete data;
+}
+DBIterator& DBIterator::operator=( const DBIterator& rhs ) {
+    if ( *this == rhs )
+        return *this;
+    if (data->cursor)
+        data->cursor->c_close(data->cursor);
+    delete data;
+    data = new Data;
+    data->wrapper = rhs.data->wrapper;
+    data->key = rhs.data->key;
+    data->data = rhs.data->data;
+    data->atEnd = rhs.data->atEnd;
+    if ( rhs.data->cursor )
+        rhs.data->cursor->c_dup(rhs.data->cursor, &data->cursor, 0 );
+    else
+        data->cursor = 0l;
+
+    return *this;
+}
+QString DBIterator::key()const{
+    return data->key;
+}
+QString DBIterator::value()const {
+    return data->data;
+}
+QString DBIterator::operator*() {
+    return data->data;
+}
+DBIterator& DBIterator::operator++() {
+    DBT key, val;
+    ::memset(&key, 0, sizeof(key) );
+    ::memset(&val, 0, sizeof(val) );
+    if ( data->cursor )
+        if ( data->cursor->c_get(data->cursor, &key, &val,DB_NEXT ) != 0 )
+            data->atEnd = true;
+    data->key = QString::fromUtf8( (char*)key.data, key.size );
+    data->data = QString::fromUtf8( (char*)val.data, val.size );
+    return *this;
+}
+DBIterator& DBIterator::operator--() {
+    DBT key, val;
+    ::memset(&key, 0, sizeof(key) );
+    ::memset(&val, 0, sizeof(val) );
+    if ( data->cursor )
+        if ( data->cursor->c_get(data->cursor, &key, &val,DB_PREV ) != 0 )
+            data->atEnd = true;
+    data->key = QString::fromUtf8( (char*)key.data, key.size );
+    data->data = QString::fromUtf8( (char*)val.data, val.size );
+    return *this;
+}
+bool DBIterator::operator==( const DBIterator& rhs ) {
+    if ( data->atEnd && data->atEnd == rhs.data->atEnd ) return true;
+
+    return false;
+}
+bool DBIterator::operator!=( const DBIterator& rhs ) {
+    return !this->operator==(rhs );
+}
+struct DBWrapper::Data {
+    DB* db;
+    bool only;
+};
+DBWrapper::DBWrapper() {
+    data = new Data;
+    (void)db_create(&data->db, NULL, 0 );
+    data->only = false;
+}
+DBWrapper::~DBWrapper() {
+    data->db->close(data->db, 0 );
+    delete data;
+}
+bool DBWrapper::open( const QString& file, bool on) {
+    data->only = on;
+    return  !data->db->open(data->db, QFile::encodeName( file ), NULL, DB_HASH, 0, 0666 );
+}
+bool DBWrapper::save() {
+    return true;
+}
+DBIterator DBWrapper::begin() {
+    DBIterator it(this);
+    DBC* cursor;
+    DBT key, val;
+    int ret;
+    ret = data->db->cursor(data->db, NULL, &cursor, 0 );
+    if (ret ) {
+        it.data->atEnd = true;
+        return it;
+    }
+
+    ::memset(&key, 0, sizeof(key) );
+    ::memset(&val, 0, sizeof(val) );
+    ret = cursor->c_get(cursor, &key, &val, DB_FIRST );
+    if (ret ) {
+        it.data->atEnd = true;
+        return it;
+    }
+
+    it.data->cursor = cursor;
+    it.data->key = QString::fromUtf8((char*)key.data, key.size );
+    it.data->data = QString::fromUtf8((char*)val.data, val.size );
+
+    return it;
+}
+DBIterator DBWrapper::end() {
+    DBIterator it(this);
+    it.data->atEnd = true;
+
+    return it;
+}
+bool DBWrapper::find( const QString& _key,  QString& _val ) {
+    DBT key, val;
+    ::memset(&key, 0, sizeof(key) );
+    ::memset(&val, 0, sizeof(val) );
+
+    QCString db_key = _key.local8Bit();
+    key.data = db_key.data();
+    key.size = db_key.size();
+
+    int ret  = data->db->get(data->db, NULL, &key,  &val, 0 );
+    if (!ret) {
+        _val = QString::fromUtf8( (char*)val.data, val.size );
+        qWarning("key: %s val: %sXXX", (char*)key.data, (char*)val.data );
+        return true;
+    }
+    return false;
+}
+bool DBWrapper::add( const QString& _key, const QString& _val ) {
+    QCString db_key = _key.local8Bit();
+    QCString db_val = _val.local8Bit();
+    DBT key, val;
+    ::memset(&key, 0, sizeof(key) );
+    ::memset(&val, 0, sizeof(val) );
+
+    key.data = db_key.data();
+    key.size = db_key.size();
+    val.data = db_val.data();
+    val.size = db_val.size();
+
+    return !data->db->put(data->db, NULL, &key, &val, 0 );
+}
+bool DBWrapper::remove( const QString& _key ) {
+    QCString db_key = _key.local8Bit();
+    DBT key;
+    memset(&key, 0, sizeof(key) );
+    key.data = db_key.data();
+    key.size = db_key.size();
+
+    return !data->db->del(data->db, NULL, &key, 0 );
+}