mirror of
https://github.com/FirebirdSQL/firebird.git
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340 lines
7.5 KiB
C++
340 lines
7.5 KiB
C++
/*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Claudio Valderrama on 3-Mar-2007
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2007 Claudio Valderrama
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* and all contributors signed below.
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*
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* The author thanks specially Fred Polizo Jr and Adriano dos Santos Fernandes
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* for comments and corrections.
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*
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*
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*/
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// Localized messages type-safe printing facility.
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#include "firebird.h"
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#include "../jrd/common.h"
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#include "SafeArg.h"
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namespace MsgFormat
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{
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// This is just a silly convenience in case all arguments are of type int.
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SafeArg::SafeArg(const int val[], size_t v_size)
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: m_extras(0)
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{
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if (v_size > SAFEARG_MAX_ARG)
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v_size = SAFEARG_MAX_ARG; // Simply truncate.
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m_count = v_size;
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for (size_t a_count = 0; a_count < m_count; ++a_count)
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{
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m_arguments[a_count].i_value = val[a_count];
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m_arguments[a_count].type = safe_cell::at_int64;
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}
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}
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// Here follows the list of overloads to insert the basic data types.
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SafeArg& SafeArg::operator<<(char c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].c_value = c;
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m_arguments[m_count].type = safe_cell::at_char;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(unsigned char c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].c_value = c;
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m_arguments[m_count].type = safe_cell::at_uchar;
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++m_count;
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}
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return *this;
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}
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/*
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SafeArg& SafeArg::operator<<(_int16 c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::at_int16;
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++m_count;
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}
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return *this;
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}
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*/
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SafeArg& SafeArg::operator<<(short c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::at_int64;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(unsigned short c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::at_uint64;
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++m_count;
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}
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return *this;
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}
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/*
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SafeArg& SafeArg::operator<<(_int32 c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::at_int32;
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++m_count;
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}
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return *this;
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}
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*/
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SafeArg& SafeArg::operator<<(int c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::at_int64;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(unsigned int c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = static_cast<int64_t>(c);
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m_arguments[m_count].type = safe_cell::at_uint64;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(long int c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::at_int64;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(unsigned long int c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = static_cast<int64_t>(c);
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m_arguments[m_count].type = safe_cell::at_uint64;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(SINT64 c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = static_cast<int64_t>(c);
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m_arguments[m_count].type = safe_cell::at_int64;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(FB_UINT64 c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = static_cast<int64_t>(c);
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m_arguments[m_count].type = safe_cell::at_uint64;
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++m_count;
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}
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return *this;
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}
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/*
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SafeArg& SafeArg::operator<<(long c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i_value = c;
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m_arguments[m_count].type = safe_cell::atint64_t;
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++m_count;
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}
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return *this;
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}
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*/
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SafeArg& SafeArg::operator<<(SINT128 c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].i128_value = c;
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m_arguments[m_count].type = safe_cell::at_int128;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(double c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].d_value = c;
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m_arguments[m_count].type = safe_cell::at_double;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(const char* c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].st_value.s_string = c;
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m_arguments[m_count].st_value.s_len = 0; // Just to clear field.
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m_arguments[m_count].type = safe_cell::at_str;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(const unsigned char* c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].st_value.s_string = reinterpret_cast<const char*>(c);
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m_arguments[m_count].st_value.s_len = 0; // Just to clear field.
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m_arguments[m_count].type = safe_cell::at_str;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(const counted_string& c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].st_value.s_string = c.cs_string;
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m_arguments[m_count].st_value.s_len = c.cs_len;
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m_arguments[m_count].type = safe_cell::at_counted_str;
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++m_count;
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}
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return *this;
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}
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SafeArg& SafeArg::operator<<(void* c)
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{
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if (m_count < SAFEARG_MAX_ARG)
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{
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m_arguments[m_count].p_value = c;
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m_arguments[m_count].type = safe_cell::at_ptr;
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++m_count;
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}
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return *this;
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}
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// Dump the parameters to the target buffer.
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// Note that parameters of type pointer (void*) and counted_string may crash
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// the caller if not prepared to handle them. Therefore, counted_string is being
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// converted to null pointer and void* to TEXT*. Supposedly, the caller has
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// information on the real types of the values. This can be done with a loop
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// using getCount() and getCell() and looking at the safe_cell's type data member.
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void SafeArg::dump(const TEXT* target[], size_t v_size) const
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{
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for (size_t i = 0; i < v_size; ++i)
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{
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if (i >= m_count)
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{
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target[i] = 0;
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continue;
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}
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switch (m_arguments[i].type)
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{
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case safe_cell::at_char:
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target[i] = reinterpret_cast<TEXT*>((IPTR) m_arguments[i].c_value);
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break;
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case safe_cell::at_uchar:
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target[i] = reinterpret_cast<TEXT*>((U_IPTR) m_arguments[i].c_value);
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break;
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case safe_cell::at_int64:
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target[i] = reinterpret_cast<TEXT*>((IPTR) m_arguments[i].i_value);
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break;
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case safe_cell::at_uint64:
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target[i] = reinterpret_cast<TEXT*>((U_IPTR) m_arguments[i].i_value);
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break;
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case safe_cell::at_int128:
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target[i] = reinterpret_cast<TEXT*>((IPTR) m_arguments[i].i128_value.high);
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break;
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case safe_cell::at_double:
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target[i] = reinterpret_cast<TEXT*>((IPTR) m_arguments[i].d_value);
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break;
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case safe_cell::at_str:
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target[i] = m_arguments[i].st_value.s_string;
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break;
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case safe_cell::at_counted_str:
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target[i] = 0; // We can't represent them here.
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break;
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case safe_cell::at_ptr:
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target[i] = static_cast<TEXT*>(m_arguments[i].p_value);
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break;
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default: // safe_cell::at_none and whatever out of range.
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target[i] = 0;
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break;
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}
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}
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}
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// Get one specific cell. If out of range, a cell with invalid type (at_none)
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// is returned.
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const safe_cell& SafeArg::getCell(size_t index) const
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{
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static safe_cell aux_cell = {safe_cell::at_none, 0};
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if (index < m_count)
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return m_arguments[index];
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return aux_cell;
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}
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} // namespace
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