program/psiconv/general.c

/*
    general.c - Part of psiconv, a PSION 5 file formats converter
    Copyright (c) 2003  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 "psiconv.h"
#include "general.h"
#include <psiconv/list.h>
#include <psiconv/unicode.h>
#include <psiconv/error.h>
#include <stdlib.h>
#include <string.h>

/* Output a UCS2 character in one of the supported encodings. */
void output_char(psiconv_config config, psiconv_list list, 
                psiconv_ucs2 character, encoding enc)
{
  psiconv_u8 temp;
  int res;
#define TEMPSTR_LEN 80
  char tempstr[TEMPSTR_LEN];

  if (enc == ENCODING_UCS2) {
    temp = character >> 8;
    if ((res = psiconv_list_add(list,&temp))) {
      fputs("Out of memory error\n",stderr);
      exit(1);
    }
    temp = character & 0xff;
    if ((res = psiconv_list_add(list,&temp))) {
      fputs("Out of memory error\n",stderr);
      exit(1);
    }
  } else if (enc == ENCODING_UTF8) {
    if (character < 0x80) {
      temp = character;
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
    } else if (character < 0x800) {
      temp = 0xc0 + (character >> 6);
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
      temp = 0x80 + (character & 0x3f);
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
    } else {
      temp = 0xe0 + (character >> 12);
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
      temp = 0x80 + ((character >> 6) & 0x3f);
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
      temp = 0x80 + (character  & 0x3f);
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
    }
  } else if (enc == ENCODING_ASCII) {
    if (character == 0xa0)
      temp = ' ';
    else if (character >= 0x80)
      temp = '?';
    else
      temp = character;
    if ((res = psiconv_list_add(list,&temp))) {
      fputs("Out of memory error\n",stderr);
      exit(1);
    }
  } else if (enc == ENCODING_ASCII_HTML) {
    if (character >= 0x80) {
      snprintf(tempstr,TEMPSTR_LEN,"&#x%x;",character);
      output_simple_chars(config,list,tempstr,enc);
    } else {
      temp = character;
      if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
    }
  } else if (enc == ENCODING_PSION) {
    temp = psiconv_unicode_to_char(config,character);
    if ((res = psiconv_list_add(list,&temp))) {
        fputs("Out of memory error\n",stderr);
        exit(1);
      }
  }
}

void output_string(psiconv_config config, psiconv_list list, 
                          psiconv_ucs2 *string, encoding enc)
{
  int i = 0;

  while (string[i]) {
    output_char(config,list,string[i],enc);
    i++;
  }
}

void output_simple_chars(psiconv_config config, psiconv_list list,
                        char *string, encoding enc)
{
  psiconv_ucs2 *ucs_string;
  int i;

  if (!(ucs_string = malloc(sizeof(*ucs_string) * (strlen(string) + 1)))) {
    fputs("Out of memory error",stderr);
    exit(1);
  }
  for (i = 0; i < strlen(string); i++)  {
    if ((string[i] != '\n') && ((string[i] < 0x20) || (string[i] > 0x7e))) {
      fprintf(stderr,"output_simple_chars unknown char: %02x",string[i]);
      exit(1);
    }
    ucs_string[i] = string[i];
  }
  ucs_string[i] = string[i];
  output_string(config,list,ucs_string,enc);
  free(ucs_string);
}
1	frodo	185	/*
2			general.c - Part of psiconv, a PSION 5 file formats converter
3			Copyright (c) 2003 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 "psiconv.h"
24			#include "general.h"
25			#include <psiconv/list.h>
26			#include <psiconv/unicode.h>
27	frodo	189	#include <psiconv/error.h>
28			#include <stdlib.h>
29			#include <string.h>
30	frodo	185
31			/* Output a UCS2 character in one of the supported encodings. */
32	frodo	189	void output_char(psiconv_config config, psiconv_list list,
33	frodo	185	psiconv_ucs2 character, encoding enc)
34			{
35			psiconv_u8 temp;
36			int res;
37	frodo	192	#define TEMPSTR_LEN 80
38			char tempstr[TEMPSTR_LEN];
39	frodo	185
40			if (enc == ENCODING_UCS2) {
41			temp = character >> 8;
42	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
43			fputs("Out of memory error\n",stderr);
44			exit(1);
45			}
46	frodo	185	temp = character & 0xff;
47	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
48			fputs("Out of memory error\n",stderr);
49			exit(1);
50			}
51	frodo	185	} else if (enc == ENCODING_UTF8) {
52			if (character < 0x80) {
53			temp = character;
54	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
55			fputs("Out of memory error\n",stderr);
56			exit(1);
57			}
58	frodo	185	} else if (character < 0x800) {
59			temp = 0xc0 + (character >> 6);
60	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
61			fputs("Out of memory error\n",stderr);
62			exit(1);
63			}
64	frodo	185	temp = 0x80 + (character & 0x3f);
65	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
66			fputs("Out of memory error\n",stderr);
67			exit(1);
68			}
69	frodo	185	} else {
70			temp = 0xe0 + (character >> 12);
71	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
72			fputs("Out of memory error\n",stderr);
73			exit(1);
74			}
75	frodo	185	temp = 0x80 + ((character >> 6) & 0x3f);
76	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
77			fputs("Out of memory error\n",stderr);
78			exit(1);
79			}
80	frodo	185	temp = 0x80 + (character & 0x3f);
81	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
82			fputs("Out of memory error\n",stderr);
83			exit(1);
84			}
85	frodo	185	}
86			} else if (enc == ENCODING_ASCII) {
87			if (character == 0xa0)
88			temp = ' ';
89			else if (character >= 0x80)
90			temp = '?';
91			else
92			temp = character;
93	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
94			fputs("Out of memory error\n",stderr);
95			exit(1);
96			}
97	frodo	192	} else if (enc == ENCODING_ASCII_HTML) {
98			if (character >= 0x80) {
99			snprintf(tempstr,TEMPSTR_LEN,"&#x%x;",character);
100			output_simple_chars(config,list,tempstr,enc);
101			} else {
102			temp = character;
103			if ((res = psiconv_list_add(list,&temp))) {
104			fputs("Out of memory error\n",stderr);
105			exit(1);
106			}
107			}
108	frodo	185	} else if (enc == ENCODING_PSION) {
109			temp = psiconv_unicode_to_char(config,character);
110	frodo	189	if ((res = psiconv_list_add(list,&temp))) {
111			fputs("Out of memory error\n",stderr);
112			exit(1);
113			}
114	frodo	185	}
115			}
116
117	frodo	189	void output_string(psiconv_config config, psiconv_list list,
118	frodo	185	psiconv_ucs2 *string, encoding enc)
119			{
120			int i = 0;
121
122			while (string[i]) {
123	frodo	189	output_char(config,list,string[i],enc);
124	frodo	185	i++;
125			}
126			}
127	frodo	189
128			void output_simple_chars(psiconv_config config, psiconv_list list,
129			char *string, encoding enc)
130			{
131			psiconv_ucs2 *ucs_string;
132			int i;
133
134			if (!(ucs_string = malloc(sizeof(ucs_string) (strlen(string) + 1)))) {
135			fputs("Out of memory error",stderr);
136			exit(1);
137			}
138			for (i = 0; i < strlen(string); i++) {
139			if ((string[i] != '\n') && ((string[i] < 0x20) \|\| (string[i] > 0x7e))) {
140			fprintf(stderr,"output_simple_chars unknown char: %02x",string[i]);
141			exit(1);
142			}
143			ucs_string[i] = string[i];
144			}
145			ucs_string[i] = string[i];
146			output_string(config,list,ucs_string,enc);
147			free(ucs_string);
148			}
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