/[public]/psiconv/trunk/program/psiconv/general.c
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Diff of /psiconv/trunk/program/psiconv/general.c

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Revision 185 Revision 217
1/* 1/*
2 general.c - Part of psiconv, a PSION 5 file formats converter 2 general.c - Part of psiconv, a PSION 5 file formats converter
3 Copyright (c) 2003 Frodo Looijaard <frodol@dds.nl> 3 Copyright (c) 2003-2004 Frodo Looijaard <frodol@dds.nl>
4 4
5 This program is free software; you can redistribute it and/or modify 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 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 7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 8 (at your option) any later version.
… …
22 22
23#include "psiconv.h" 23#include "psiconv.h"
24#include "general.h" 24#include "general.h"
25#include <psiconv/list.h> 25#include <psiconv/list.h>
26#include <psiconv/unicode.h> 26#include <psiconv/unicode.h>
27#include <psiconv/error.h>
28#include <stdlib.h>
29#include <string.h>
27 30
28/* Output a UCS2 character in one of the supported encodings. */ 31/* Output a UCS2 character in one of the supported encodings. */
29int output_char(psiconv_config config, psiconv_list list, 32void output_char(psiconv_config config, psiconv_list list,
30 psiconv_ucs2 character, encoding enc) 33 psiconv_ucs2 character, encoding enc)
31{ 34{
32 psiconv_u8 temp; 35 psiconv_u8 temp;
36 psiconv_u8 *byteptr;
33 int res; 37 int res,i;
38 psiconv_buffer buf;
39#define TEMPSTR_LEN 80
40 char tempstr[TEMPSTR_LEN];
34 41
35 if (enc == ENCODING_UCS2) { 42 if (enc == ENCODING_UCS2) {
36 temp = character >> 8; 43 temp = character >> 8;
37 if ((res = psiconv_list_add(list,&temp))) 44 if ((res = psiconv_list_add(list,&temp))) {
38 return res; 45 fputs("Out of memory error\n",stderr);
46 exit(1);
47 }
39 temp = character & 0xff; 48 temp = character & 0xff;
40 if ((res = psiconv_list_add(list,&temp))) 49 if ((res = psiconv_list_add(list,&temp))) {
41 return res; 50 fputs("Out of memory error\n",stderr);
51 exit(1);
52 }
42 } else if (enc == ENCODING_UTF8) { 53 } else if (enc == ENCODING_UTF8) {
43 if (character < 0x80) { 54 if (character < 0x80) {
44 temp = character; 55 temp = character;
45 if ((res = psiconv_list_add(list,&temp))) 56 if ((res = psiconv_list_add(list,&temp))) {
46 return res; 57 fputs("Out of memory error\n",stderr);
58 exit(1);
59 }
47 } else if (character < 0x800) { 60 } else if (character < 0x800) {
48 temp = 0xc0 + (character >> 6); 61 temp = 0xc0 + (character >> 6);
49 if ((res = psiconv_list_add(list,&temp))) 62 if ((res = psiconv_list_add(list,&temp))) {
50 return res; 63 fputs("Out of memory error\n",stderr);
64 exit(1);
65 }
51 temp = 0x80 + (character & 0x3f); 66 temp = 0x80 + (character & 0x3f);
52 if ((res = psiconv_list_add(list,&temp))) 67 if ((res = psiconv_list_add(list,&temp))) {
53 return res; 68 fputs("Out of memory error\n",stderr);
69 exit(1);
70 }
54 } else { 71 } else {
55 temp = 0xe0 + (character >> 12); 72 temp = 0xe0 + (character >> 12);
56 if ((res = psiconv_list_add(list,&temp))) 73 if ((res = psiconv_list_add(list,&temp))) {
57 return res; 74 fputs("Out of memory error\n",stderr);
75 exit(1);
76 }
58 temp = 0x80 + ((character >> 6) & 0x3f); 77 temp = 0x80 + ((character >> 6) & 0x3f);
59 if ((res = psiconv_list_add(list,&temp))) 78 if ((res = psiconv_list_add(list,&temp))) {
60 return res; 79 fputs("Out of memory error\n",stderr);
80 exit(1);
81 }
61 temp = 0x80 + (character & 0x3f); 82 temp = 0x80 + (character & 0x3f);
62 if ((res = psiconv_list_add(list,&temp))) 83 if ((res = psiconv_list_add(list,&temp))) {
63 return res; 84 fputs("Out of memory error\n",stderr);
85 exit(1);
86 }
64 } 87 }
65 } else if (enc == ENCODING_ASCII) { 88 } else if (enc == ENCODING_ASCII) {
66 if (character == 0xa0) 89 if (character == 0xa0)
67 temp = ' '; 90 temp = ' ';
68 else if (character >= 0x80) 91 else if (character >= 0x80)
69 temp = '?'; 92 temp = '?';
70 else 93 else
71 temp = character; 94 temp = character;
72 if ((res = psiconv_list_add(list,&temp))) 95 if ((res = psiconv_list_add(list,&temp))) {
73 return res; 96 fputs("Out of memory error\n",stderr);
97 exit(1);
98 }
99 } else if (enc == ENCODING_ASCII_HTML) {
100 if (character >= 0x80) {
101 snprintf(tempstr,TEMPSTR_LEN,"&#x%x;",character);
102 output_simple_chars(config,list,tempstr,enc);
103 } else {
104 temp = character;
105 if ((res = psiconv_list_add(list,&temp))) {
106 fputs("Out of memory error\n",stderr);
107 exit(1);
108 }
109 }
74 } else if (enc == ENCODING_PSION) { 110 } else if (enc == ENCODING_PSION) {
111 if (!(buf = psiconv_buffer_new())) {
112 fputs("Out of memory error\n",stderr);
113 exit(1);
114 }
75 temp = psiconv_unicode_to_char(config,character); 115 psiconv_unicode_write_char(config,buf,0,character);
116 for (i = 0; i < psiconv_buffer_length(buf); i++) {
117 if (!(byteptr = psiconv_buffer_get(buf,i))) {
118 fputs("Internal memory corruption\n",stderr);
119 exit(1);
120 }
76 if ((res = psiconv_list_add(list,&temp))) 121 if ((res = psiconv_list_add(list,byteptr))) {
77 return res; 122 fputs("Out of memory error\n",stderr);
123 exit(1);
124 }
125 }
126 psiconv_buffer_free(buf);
78 } 127 }
79 return 0;
80} 128}
81 129
82int output_string(psiconv_config config, psiconv_list list, 130void output_string(psiconv_config config, psiconv_list list,
83 psiconv_ucs2 *string, encoding enc) 131 psiconv_ucs2 *string, encoding enc)
84{ 132{
85 int i = 0; 133 int i = 0;
86 int res;
87 134
88 while (string[i]) { 135 while (string[i]) {
89 if ((res = output_char(config,list,string[i],enc))) 136 output_char(config,list,string[i],enc);
90 return res;
91 i++; 137 i++;
92 } 138 }
93 return 0;
94} 139}
140
141void output_simple_chars(psiconv_config config, psiconv_list list,
142 char *string, encoding enc)
143{
144 psiconv_ucs2 *ucs_string;
145 int i;
146
147 if (!(ucs_string = malloc(sizeof(*ucs_string) * (strlen(string) + 1)))) {
148 fputs("Out of memory error",stderr);
149 exit(1);
150 }
151 for (i = 0; i < strlen(string); i++) {
152 if ((string[i] != '\n') && ((string[i] < 0x20) || (string[i] > 0x7e))) {
153 fprintf(stderr,"output_simple_chars unknown char: %02x",string[i]);
154 exit(1);
155 }
156 ucs_string[i] = string[i];
157 }
158 ucs_string[i] = string[i];
159 output_string(config,list,ucs_string,enc);
160 free(ucs_string);
161}
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