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frodo |
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/* |
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generate_simple.c - Part of psiconv, a PSION 5 file formats converter |
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Copyright (c) 2000 Frodo Looijaard <frodol@dds.nl> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include "config.h" |
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#include "compat.h" |
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#include "generate_routines.h" |
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#include "error.h" |
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int psiconv_write_u8(psiconv_buffer buf,psiconv_u8 value) |
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{ |
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return psiconv_list_add(buf,&value); |
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} |
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int psiconv_write_u16(psiconv_buffer buf,psiconv_u16 value) |
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{ |
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int res; |
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psiconv_u8 temp; |
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temp = value & 0xff; |
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if ((res = psiconv_list_add(buf,&temp))) |
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return res; |
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temp = (value & 0xff0) >> 8; |
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return psiconv_list_add(buf,&temp); |
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} |
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int psiconv_write_u32(psiconv_buffer buf,psiconv_u32 value) |
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{ |
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int res; |
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psiconv_u8 temp; |
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temp = value & 0xff; |
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if ((res = psiconv_list_add(buf,&temp))) |
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return res; |
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temp = (value & 0xff00) >> 8; |
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if ((res = psiconv_list_add(buf,&temp))) |
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return res; |
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temp = (value & 0xff0000) >> 16; |
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if ((res = psiconv_list_add(buf,&temp))) |
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return res; |
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temp = (value & 0xff000000) >>24; |
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return psiconv_list_add(buf,&temp); |
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} |
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int psiconv_write_S(psiconv_buffer buf, psiconv_u32 value) |
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{ |
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if (value < 0x40) |
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return psiconv_write_u8(buf,value * 4 + 2); |
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else if (value < 0x2000) |
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return psiconv_write_u16(buf,value * 8 + 3); |
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else { |
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psiconv_warn(0,psiconv_list_length(buf), |
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"Don't know how to write S value larger than 0x2000 " |
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"(trying %x)",value); |
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return -PSICONV_E_GENERATE; |
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} |
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} |
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int psiconv_write_X(psiconv_buffer buf, psiconv_u32 value) |
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{ |
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if (value < 0x80) |
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return psiconv_write_u8(buf,value * 2); |
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else if (value < 0x4000) |
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return psiconv_write_u16(buf,value * 4 + 1); |
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else if (value < 0x20000000) |
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return psiconv_write_u16(buf,value * 8 + 3); |
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else { |
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psiconv_warn(0,psiconv_list_length(buf), |
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"Don't know how to write X value larger than 0x20000000 " |
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"(trying %x)",value); |
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return -PSICONV_E_GENERATE; |
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} |
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} |
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int psiconv_write_length(psiconv_buffer buf, psiconv_length_t value) |
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{ |
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return psiconv_write_u32(buf,value * (1440.0/2.54) + 0.5); |
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} |
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int psiconv_write_size(psiconv_buffer buf, psiconv_size_t value) |
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{ |
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return psiconv_write_u32(buf,value * 20.0 + 0.5); |
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} |
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int psiconv_write_bool(psiconv_buffer buf, psiconv_bool_t value) |
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{ |
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return psiconv_write_u8(buf,value == psiconv_bool_true?1:0); |
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} |
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int psiconv_write_string(psiconv_buffer buf, psiconv_string_t value) |
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{ |
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int res,i; |
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if ((res = psiconv_write_S(buf,strlen(value)))) |
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return res; |
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for (i = 0; i < strlen(value); i++) |
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if ((res = psiconv_write_u8(buf,value[i]))) |
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return res; |
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return -PSICONV_E_OK; |
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} |
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