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/*
* "$Id: iso8859.cpp,v 1.7 1999/01/04 17:45:23 mike Exp $"
*
* ISO-8859-1 conversion routines for HTMLDOC, an HTML document
* processing program.
*
* Copyright 1997-1999 by Michael Sweet.
*
* HTMLDOC is distributed under the terms of the GNU General Public License
* which is described in the file "COPYING-2.0".
*
* Contents:
*
* iso8859() - Return the 8-bit character value of a glyph name.
* compare_lut() - Compare two glyphs.
*/
/*
* Include necessary headers.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "iso8859.h"
#include "types.h"
/*
* Lookup table structure...
*/
typedef struct
{
uchar name[7],
value;
} lut_t;
static lut_t iso8859_lut[] =
{
{ "AElig", 198 },
{ "Aacute", 193 },
{ "Acirc", 194 },
{ "Agrave", 192 },
{ "Aring", 197 },
{ "Atilde", 195 },
{ "Auml", 196 },
{ "Ccedil", 199 },
{ "Dstrok", 208 },
{ "ETH", 208 },
{ "Eacute", 201 },
{ "Ecirc", 202 },
{ "Egrave", 200 },
{ "Euml", 203 },
{ "Iacute", 205 },
{ "Icirc", 206 },
{ "Igrave", 204 },
{ "Iuml", 207 },
{ "Ntilde", 209 },
{ "Oacute", 211 },
{ "Ocirc", 212 },
{ "Ograve", 210 },
{ "Oslash", 216 },
{ "Otilde", 213 },
{ "Ouml", 214 },
{ "THORN", 222 },
{ "Uacute", 218 },
{ "Ucirc", 219 },
{ "Ugrave", 217 },
{ "Uuml", 220 },
{ "Yacute", 221 },
{ "aacute", 225 },
{ "acirc", 226 },
{ "acute", 180 },
{ "aelig", 230 },
{ "agrave", 224 },
{ "amp", '&' },
{ "aring", 229 },
{ "atilde", 227 },
{ "auml", 228 },
{ "brkbar", 166 },
{ "brvbar", 166 },
{ "ccedil", 231 },
{ "cedil", 184 },
{ "cent", 162 },
{ "copy", 169 },
{ "curren", 164 },
{ "deg", 176 },
{ "die", 168 },
{ "divide", 247 },
{ "eacute", 233 },
{ "ecirc", 234 },
{ "egrave", 232 },
{ "eth", 240 },
{ "euml", 235 },
{ "frac12", 189 },
{ "frac14", 188 },
{ "frac34", 190 },
{ "gt", '>' },
{ "hibar", 175 },
{ "iacute", 237 },
{ "icirc", 238 },
{ "iexcl", 161 },
{ "igrave", 236 },
{ "iquest", 191 },
{ "iuml", 239 },
{ "laquo", 171 },
{ "lt", '<' },
{ "macr", 175 },
{ "micro", 181 },
{ "middot", 183 },
{ "nbsp", ' ' },
{ "not", 172 },
{ "ntilde", 241 },
{ "oacute", 243 },
{ "ocirc", 244 },
{ "ograve", 242 },
{ "ordf", 170 },
{ "ordm", 186 },
{ "oslash", 248 },
{ "otilde", 245 },
{ "ouml", 246 },
{ "para", 182 },
{ "plusmn", 177 },
{ "pound", 163 },
{ "quot", '\"' },
{ "raquo", 187 },
{ "reg", 174 },
{ "sect", 167 },
{ "shy", 173 },
{ "sup1", 185 },
{ "sup2", 178 },
{ "sup3", 179 },
{ "szlig", 223 },
{ "thorn", 254 },
{ "times", 215 },
{ "uacute", 250 },
{ "ucirc", 251 },
{ "ugrave", 249 },
{ "uml", 168 },
{ "uuml", 252 },
{ "yacute", 253 },
{ "yen", 165 },
{ "yuml", 255 }
};
static int compare_lut(lut_t *, lut_t *);
/*
* 'iso8859()' - Return the 8-bit character value of a glyph name.
*/
uchar /* O - ISO-8859-1 equivalent */
iso8859(uchar *name) /* I - Glyph name */
{
lut_t key, /* Lookup table key */
*match; /* Matching entry pointer */
if (strlen((char *)name) == 1)
return (name[0]);
else if (strlen((char *)name) > 6)
return (0);
else if (name[0] == '#')
return (atoi((char *)name + 1));
strcpy((char *)key.name, (char *)name);
match = (lut_t *)bsearch(&key, iso8859_lut,
sizeof(iso8859_lut) / sizeof(iso8859_lut[0]),
sizeof(iso8859_lut[0]),
(int (*)(const void *, const void *))compare_lut);
if (match == NULL)
return (0);
else
return (match->value);
}
/*
* 'compare_lut()' - Compare two glyphs.
*/
static int /* O - 0 if equal, -1 if a<b, 1 if a>b */
compare_lut(lut_t *a, /* I - First glyph */
lut_t *b) /* I - Second glyph */
{
return (strcmp((char *)a->name, (char *)b->name));
}
/*
* End of "$Id: iso8859.cpp,v 1.7 1999/01/04 17:45:23 mike Exp $".
*/
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