lib/psiconv/generate_simple.c

/*
    generate_simple.c - Part of psiconv, a PSION 5 file formats converter
    Copyright (c) 2000  Frodo Looijaard <frodol@dds.nl>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "config.h"
#include "compat.h"

#include "generate_routines.h"
#include "error.h"

int psiconv_write_u8(psiconv_buffer buf,const psiconv_u8 value)
{
  return psiconv_list_add(buf,&value);
}

int psiconv_write_u16(psiconv_buffer buf,const psiconv_u16 value)
{
  int res;
  psiconv_u8 temp;
  temp = value & 0xff;
  if ((res = psiconv_list_add(buf,&temp))) 
        return res;
  temp = (value & 0xff0) >> 8;
  return psiconv_list_add(buf,&temp);
}

int psiconv_write_u32(psiconv_buffer buf,const psiconv_u32 value)
{
  int res;
  psiconv_u8 temp;
  temp = value & 0xff;
  if ((res = psiconv_list_add(buf,&temp))) 
        return res;
  temp = (value & 0xff00) >> 8;
  if ((res = psiconv_list_add(buf,&temp))) 
        return res;
  temp = (value & 0xff0000) >> 16;
  if ((res = psiconv_list_add(buf,&temp))) 
        return res;
  temp = (value & 0xff000000) >>24;
  return psiconv_list_add(buf,&temp);
}

int psiconv_write_S(psiconv_buffer buf, const psiconv_u32 value)
{
  if (value < 0x40) 
    return psiconv_write_u8(buf,value * 4 + 2);
  else if (value < 0x2000) 
    return psiconv_write_u16(buf,value * 8 + 3);
  else {
    psiconv_warn(0,psiconv_list_length(buf),
                 "Don't know how to write S value larger than 0x2000 "
                 "(trying %x)",value);
    return -PSICONV_E_GENERATE;
  }
}

int psiconv_write_X(psiconv_buffer buf, const psiconv_u32 value)
{
  if (value < 0x80) 
    return psiconv_write_u8(buf,value * 2);
  else if (value < 0x4000) 
    return psiconv_write_u16(buf,value * 4 + 1);
  else if (value < 0x20000000) 
    return psiconv_write_u16(buf,value * 8 + 3);
  else {
    psiconv_warn(0,psiconv_list_length(buf),
                 "Don't know how to write X value larger than 0x20000000 "
                 "(trying %x)",value);
    return -PSICONV_E_GENERATE;
  }
}

int psiconv_write_length(psiconv_buffer buf, const psiconv_length_t value)
{
  return psiconv_write_u32(buf,value * (1440.0/2.54) + 0.5);
}

int psiconv_write_size(psiconv_buffer buf, psiconv_size_t value)
{
  return psiconv_write_u32(buf,value * 20.0 + 0.5);
}

int psiconv_write_bool(psiconv_buffer buf, const psiconv_bool_t value)
{
  if ((value != psiconv_bool_true) && (value != psiconv_bool_false)) 
    psiconv_warn(0,psiconv_list_length(buf),
                 "Boolean has non-enum value (found %d)",value);
  return psiconv_write_u8(buf,value == psiconv_bool_false?0:1);
}

int psiconv_write_string(psiconv_buffer buf, const psiconv_string_t value)
{
  int res,i;
  if (!value) {
    psiconv_warn(0,psiconv_list_length(buf),
                 "NULL string");
    return -PSICONV_E_GENERATE;
  }
  if ((res = psiconv_write_S(buf,strlen(value))))
    return res;
  for (i = 0; i < strlen(value); i++) 
    if ((res = psiconv_write_u8(buf,value[i])))
      return res;
  return -PSICONV_E_OK;
}
1	frodo	71	/*
2			generate_simple.c - Part of psiconv, a PSION 5 file formats converter
3			Copyright (c) 2000 Frodo Looijaard <frodol@dds.nl>
4
5			This program is free software; you can redistribute it and/or modify
6			it under the terms of the GNU General Public License as published by
7			the Free Software Foundation; either version 2 of the License, or
8			(at your option) any later version.
9
10			This program is distributed in the hope that it will be useful,
11			but WITHOUT ANY WARRANTY; without even the implied warranty of
12			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			GNU General Public License for more details.
14
15			You should have received a copy of the GNU General Public License
16			along with this program; if not, write to the Free Software
17			Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18			*/
19
20			#include "config.h"
21			#include "compat.h"
22
23			#include "generate_routines.h"
24			#include "error.h"
25
26	frodo	72	int psiconv_write_u8(psiconv_buffer buf,const psiconv_u8 value)
27	frodo	71	{
28			return psiconv_list_add(buf,&value);
29			}
30
31	frodo	72	int psiconv_write_u16(psiconv_buffer buf,const psiconv_u16 value)
32	frodo	71	{
33			int res;
34			psiconv_u8 temp;
35			temp = value & 0xff;
36			if ((res = psiconv_list_add(buf,&temp)))
37			return res;
38			temp = (value & 0xff0) >> 8;
39			return psiconv_list_add(buf,&temp);
40			}
41
42	frodo	72	int psiconv_write_u32(psiconv_buffer buf,const psiconv_u32 value)
43	frodo	71	{
44			int res;
45			psiconv_u8 temp;
46			temp = value & 0xff;
47			if ((res = psiconv_list_add(buf,&temp)))
48			return res;
49			temp = (value & 0xff00) >> 8;
50			if ((res = psiconv_list_add(buf,&temp)))
51			return res;
52			temp = (value & 0xff0000) >> 16;
53			if ((res = psiconv_list_add(buf,&temp)))
54			return res;
55			temp = (value & 0xff000000) >>24;
56			return psiconv_list_add(buf,&temp);
57			}
58
59	frodo	72	int psiconv_write_S(psiconv_buffer buf, const psiconv_u32 value)
60	frodo	71	{
61			if (value < 0x40)
62			return psiconv_write_u8(buf,value * 4 + 2);
63			else if (value < 0x2000)
64			return psiconv_write_u16(buf,value * 8 + 3);
65			else {
66			psiconv_warn(0,psiconv_list_length(buf),
67			"Don't know how to write S value larger than 0x2000 "
68			"(trying %x)",value);
69			return -PSICONV_E_GENERATE;
70			}
71			}
72
73	frodo	72	int psiconv_write_X(psiconv_buffer buf, const psiconv_u32 value)
74	frodo	71	{
75			if (value < 0x80)
76			return psiconv_write_u8(buf,value * 2);
77			else if (value < 0x4000)
78			return psiconv_write_u16(buf,value * 4 + 1);
79			else if (value < 0x20000000)
80			return psiconv_write_u16(buf,value * 8 + 3);
81			else {
82			psiconv_warn(0,psiconv_list_length(buf),
83			"Don't know how to write X value larger than 0x20000000 "
84			"(trying %x)",value);
85			return -PSICONV_E_GENERATE;
86			}
87			}
88
89	frodo	72	int psiconv_write_length(psiconv_buffer buf, const psiconv_length_t value)
90	frodo	71	{
91			return psiconv_write_u32(buf,value * (1440.0/2.54) + 0.5);
92			}
93
94			int psiconv_write_size(psiconv_buffer buf, psiconv_size_t value)
95			{
96			return psiconv_write_u32(buf,value * 20.0 + 0.5);
97			}
98
99	frodo	72	int psiconv_write_bool(psiconv_buffer buf, const psiconv_bool_t value)
100	frodo	71	{
101	frodo	72	if ((value != psiconv_bool_true) && (value != psiconv_bool_false))
102			psiconv_warn(0,psiconv_list_length(buf),
103			"Boolean has non-enum value (found %d)",value);
104			return psiconv_write_u8(buf,value == psiconv_bool_false?0:1);
105	frodo	71	}
106
107	frodo	72	int psiconv_write_string(psiconv_buffer buf, const psiconv_string_t value)
108	frodo	71	{
109			int res,i;
110	frodo	72	if (!value) {
111			psiconv_warn(0,psiconv_list_length(buf),
112			"NULL string");
113			return -PSICONV_E_GENERATE;
114			}
115	frodo	71	if ((res = psiconv_write_S(buf,strlen(value))))
116			return res;
117			for (i = 0; i < strlen(value); i++)
118			if ((res = psiconv_write_u8(buf,value[i])))
119			return res;
120			return -PSICONV_E_OK;
121			}
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