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git://xwords.git.sourceforge.net/gitroot/xwords/xwords
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78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2014 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdarg.h>
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#include "querybld.h"
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#include "xwrelay_priv.h"
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QueryBuilder&
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QueryBuilder::appendQueryf( const char* fmt, ... )
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{
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bool done;
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do {
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va_list ap;
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va_start( ap, fmt );
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done = m_query.catf( fmt, ap );
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va_end( ap );
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} while ( !done );
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return *this;
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}
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QueryBuilder&
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QueryBuilder::appendParam( const char* value )
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{
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m_paramIndices.push_back( m_paramBuf.size() );
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m_paramBuf.catf( "%s%c", value, '\0' );
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return *this;
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}
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QueryBuilder&
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QueryBuilder::appendParam( int value )
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{
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m_paramIndices.push_back( m_paramBuf.size() );
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m_paramBuf.catf( "%d%c", value, '\0' );
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return *this;
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}
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/* When done adding params, some of which contain $$, turn these into an order
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* progression of $1, $2 .. $9. Note assumption that we don't go above 9 since
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*/
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void
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QueryBuilder::finish()
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{
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assert( 0 == m_paramValues.size() );
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size_t ii;
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const char* base = m_paramBuf.c_str();
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for ( ii = 0; ii < m_paramIndices.size(); ++ii ) {
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const char* ptr = m_paramIndices[ii] + base;
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m_paramValues.push_back( ptr );
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}
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for ( size_t count = 0; ; ++count ) {
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const char* str = m_query.c_str();
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const char* ptr = strstr( str, "$$" );
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if ( !ptr ) {
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assert( count == m_paramIndices.size() );
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break;
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}
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assert( count < 9 );
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m_query[1 + ptr - str] = '1' + count;
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}
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}
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