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- /*
- * mimeenc.c - translate our internal character set codes to and
- * from MIME standard character-set names.
- *
- */
- #include <ctype.h>
- #include "charset.h"
- #include "internal.h"
- static const struct {
- const char *name;
- int charset;
- } mimeencs[] = {
- /*
- * These names are taken from
- *
- * http://www.iana.org/assignments/character-sets
- *
- * Where multiple encoding names map to the same encoding id
- * (such as the variety of aliases for ISO-8859-1), the first
- * is considered canonical and will be returned when
- * translating the id to a string.
- */
- { "ISO-8859-1", CS_ISO8859_1 },
- { "iso-ir-100", CS_ISO8859_1 },
- { "ISO_8859-1", CS_ISO8859_1 },
- { "ISO_8859-1:1987", CS_ISO8859_1 },
- { "latin1", CS_ISO8859_1 },
- { "l1", CS_ISO8859_1 },
- { "IBM819", CS_ISO8859_1 },
- { "CP819", CS_ISO8859_1 },
- { "csISOLatin1", CS_ISO8859_1 },
- { "ISO-8859-2", CS_ISO8859_2 },
- { "ISO_8859-2:1987", CS_ISO8859_2 },
- { "iso-ir-101", CS_ISO8859_2 },
- { "ISO_8859-2", CS_ISO8859_2 },
- { "latin2", CS_ISO8859_2 },
- { "l2", CS_ISO8859_2 },
- { "csISOLatin2", CS_ISO8859_2 },
- { "ISO-8859-3", CS_ISO8859_3 },
- { "ISO_8859-3:1988", CS_ISO8859_3 },
- { "iso-ir-109", CS_ISO8859_3 },
- { "ISO_8859-3", CS_ISO8859_3 },
- { "latin3", CS_ISO8859_3 },
- { "l3", CS_ISO8859_3 },
- { "csISOLatin3", CS_ISO8859_3 },
- { "ISO-8859-4", CS_ISO8859_4 },
- { "ISO_8859-4:1988", CS_ISO8859_4 },
- { "iso-ir-110", CS_ISO8859_4 },
- { "ISO_8859-4", CS_ISO8859_4 },
- { "latin4", CS_ISO8859_4 },
- { "l4", CS_ISO8859_4 },
- { "csISOLatin4", CS_ISO8859_4 },
- { "ISO-8859-5", CS_ISO8859_5 },
- { "ISO_8859-5:1988", CS_ISO8859_5 },
- { "iso-ir-144", CS_ISO8859_5 },
- { "ISO_8859-5", CS_ISO8859_5 },
- { "cyrillic", CS_ISO8859_5 },
- { "csISOLatinCyrillic", CS_ISO8859_5 },
- { "ISO-8859-6", CS_ISO8859_6 },
- { "ISO_8859-6:1987", CS_ISO8859_6 },
- { "iso-ir-127", CS_ISO8859_6 },
- { "ISO_8859-6", CS_ISO8859_6 },
- { "ECMA-114", CS_ISO8859_6 },
- { "ASMO-708", CS_ISO8859_6 },
- { "arabic", CS_ISO8859_6 },
- { "csISOLatinArabic", CS_ISO8859_6 },
- { "ISO-8859-7", CS_ISO8859_7 },
- { "ISO_8859-7:1987", CS_ISO8859_7 },
- { "iso-ir-126", CS_ISO8859_7 },
- { "ISO_8859-7", CS_ISO8859_7 },
- { "ELOT_928", CS_ISO8859_7 },
- { "ECMA-118", CS_ISO8859_7 },
- { "greek", CS_ISO8859_7 },
- { "greek8", CS_ISO8859_7 },
- { "csISOLatinGreek", CS_ISO8859_7 },
- { "ISO-8859-8", CS_ISO8859_8 },
- { "ISO_8859-8:1988", CS_ISO8859_8 },
- { "iso-ir-138", CS_ISO8859_8 },
- { "ISO_8859-8", CS_ISO8859_8 },
- { "hebrew", CS_ISO8859_8 },
- { "csISOLatinHebrew", CS_ISO8859_8 },
- { "ISO-8859-9", CS_ISO8859_9 },
- { "ISO_8859-9:1989", CS_ISO8859_9 },
- { "iso-ir-148", CS_ISO8859_9 },
- { "ISO_8859-9", CS_ISO8859_9 },
- { "latin5", CS_ISO8859_9 },
- { "l5", CS_ISO8859_9 },
- { "csISOLatin5", CS_ISO8859_9 },
- { "ISO-8859-10", CS_ISO8859_10 },
- { "iso-ir-157", CS_ISO8859_10 },
- { "l6", CS_ISO8859_10 },
- { "ISO_8859-10:1992", CS_ISO8859_10 },
- { "csISOLatin6", CS_ISO8859_10 },
- { "latin6", CS_ISO8859_10 },
- { "ISO-8859-13", CS_ISO8859_13 },
- { "ISO-8859-14", CS_ISO8859_14 },
- { "iso-ir-199", CS_ISO8859_14 },
- { "ISO_8859-14:1998", CS_ISO8859_14 },
- { "ISO_8859-14", CS_ISO8859_14 },
- { "latin8", CS_ISO8859_14 },
- { "iso-celtic", CS_ISO8859_14 },
- { "l8", CS_ISO8859_14 },
- { "ISO-8859-15", CS_ISO8859_15 },
- { "ISO_8859-15", CS_ISO8859_15 },
- { "Latin-9", CS_ISO8859_15 },
- { "ISO-8859-16", CS_ISO8859_16 },
- { "iso-ir-226", CS_ISO8859_16 },
- { "ISO_8859-16", CS_ISO8859_16 },
- { "ISO_8859-16:2001", CS_ISO8859_16 },
- { "latin10", CS_ISO8859_16 },
- { "l10", CS_ISO8859_16 },
- { "IBM437", CS_CP437 },
- { "cp437", CS_CP437 },
- { "437", CS_CP437 },
- { "csPC8CodePage437", CS_CP437 },
- { "IBM850", CS_CP850 },
- { "cp850", CS_CP850 },
- { "850", CS_CP850 },
- { "csPC850Multilingual", CS_CP850 },
- { "IBM852", CS_CP852 },
- { "cp852", CS_CP852 },
- { "852", CS_CP852 },
- { "csIBM852", CS_CP852 },
- { "IBM866", CS_CP866 },
- { "cp866", CS_CP866 },
- { "866", CS_CP866 },
- { "csIBM866", CS_CP866 },
- { "windows-1250", CS_CP1250 },
- { "windows-1251", CS_CP1251 },
- { "windows-1252", CS_CP1252 },
- { "windows-1253", CS_CP1253 },
- { "windows-1254", CS_CP1254 },
- { "windows-1255", CS_CP1255 },
- { "windows-1256", CS_CP1256 },
- { "windows-1257", CS_CP1257 },
- { "windows-1258", CS_CP1258 },
- { "KOI8-R", CS_KOI8_R },
- { "csKOI8R", CS_KOI8_R },
- { "KOI8-U", CS_KOI8_U },
- { "macintosh", CS_MAC_ROMAN_OLD },
- { "mac", CS_MAC_ROMAN_OLD },
- { "csMacintosh", CS_MAC_ROMAN_OLD },
- { "VISCII", CS_VISCII },
- { "csVISCII", CS_VISCII },
- { "hp-roman8", CS_HP_ROMAN8 },
- { "roman8", CS_HP_ROMAN8 },
- { "r8", CS_HP_ROMAN8 },
- { "csHPRoman8", CS_HP_ROMAN8 },
- { "DEC-MCS", CS_DEC_MCS },
- { "dec", CS_DEC_MCS },
- { "csDECMCS", CS_DEC_MCS },
- { "UTF-8", CS_UTF8 },
- };
- const char *charset_to_mimeenc(int charset)
- {
- int i;
- for (i = 0; i < (int)lenof(mimeencs); i++)
- if (charset == mimeencs[i].charset)
- return mimeencs[i].name;
- return NULL; /* not found */
- }
- int charset_from_mimeenc(const char *name)
- {
- int i;
- for (i = 0; i < (int)lenof(mimeencs); i++) {
- const char *p, *q;
- p = name;
- q = mimeencs[i].name;
- while (*p || *q) {
- if (tolower((unsigned char)*p) != tolower((unsigned char)*q))
- break;
- p++; q++;
- }
- if (!*p && !*q)
- return mimeencs[i].charset;
- }
- return CS_NONE; /* not found */
- }
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