X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fiso5428.c;h=8d7b3c28f55b8b505805fed417acef61032c7a54;hp=a78b00d3287186cc62a436d79c104e28775ded14;hb=8cb8947e3a7bff4dbf8f124871cb4905df1adce7;hpb=cccb7ecd623450d5b3ca2391327788c84aed71c8 diff --git a/src/iso5428.c b/src/iso5428.c index a78b00d..8d7b3c2 100644 --- a/src/iso5428.c +++ b/src/iso5428.c @@ -1,12 +1,10 @@ -/* - * Copyright (C) 1995-2008, Index Data ApS +/* This file is part of the YAZ toolkit. + * Copyright (C) Index Data * See the file LICENSE for details. - * - * $Id: siconv.c,v 1.50 2008-03-12 08:53:28 adam Exp $ */ /** * \file - * \brief ISO-5428 character mapping (iconv) + * \brief ISO-5428:1984 encoding and decoding */ #if HAVE_CONFIG_H @@ -16,12 +14,12 @@ #include #include #include -#include #include "iconv-p.h" -unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, - size_t inbytesleft, size_t *no_read) +static unsigned long read_iso_5428_1984(yaz_iconv_t cd, yaz_iconv_decoder_t d, + unsigned char *inp, + size_t inbytesleft, size_t *no_read) { unsigned long x = 0; int tonos = 0; @@ -43,7 +41,7 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, inp++; --inbytesleft; (*no_read)++; - } + } if (inbytesleft == 0) { yaz_iconv_set_errno(cd, YAZ_ICONV_EINVAL); /* incomplete input */ @@ -52,15 +50,15 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, } switch (*inp) { case 0xe1: /* alpha small */ - if (tonos) + if (tonos) x = 0x03ac; - else + else x = 0x03b1; break; case 0xc1: /* alpha capital */ - if (tonos) + if (tonos) x = 0x0386; - else + else x = 0x0391; break; @@ -85,15 +83,15 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, x = 0x0394; break; case 0xe6: /* epsilon small */ - if (tonos) + if (tonos) x = 0x03ad; - else + else x = 0x03b5; break; case 0xc6: /* epsilon capital */ - if (tonos) + if (tonos) x = 0x0388; - else + else x = 0x0395; break; case 0xe9: /* Zeta small */ @@ -103,15 +101,15 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, x = 0x0396; break; case 0xea: /* Eta small */ - if (tonos) + if (tonos) x = 0x03ae; - else + else x = 0x03b7; break; case 0xca: /* Eta capital */ - if (tonos) + if (tonos) x = 0x0389; - else + else x = 0x0397; break; case 0xeb: /* Theta small */ @@ -121,24 +119,24 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, x = 0x0398; break; case 0xec: /* Iota small */ - if (tonos) - if (dialitika) + if (tonos) + if (dialitika) x = 0x0390; - else + else x = 0x03af; - else - if (dialitika) + else + if (dialitika) x = 0x03ca; - else + else x = 0x03b9; break; case 0xcc: /* Iota capital */ - if (tonos) + if (tonos) x = 0x038a; - else - if (dialitika) + else + if (dialitika) x = 0x03aa; - else + else x = 0x0399; break; case 0xed: /* Kappa small */ @@ -172,15 +170,15 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, x = 0x039e; break; case 0xf2: /* Omicron small */ - if (tonos) + if (tonos) x = 0x03cc; - else + else x = 0x03bf; break; case 0xd2: /* Omicron capital */ - if (tonos) + if (tonos) x = 0x038c; - else + else x = 0x039f; break; case 0xf3: /* Pi small */ @@ -211,24 +209,24 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, x = 0x03a4; break; case 0xf9: /* Upsilon small */ - if (tonos) - if (dialitika) + if (tonos) + if (dialitika) x = 0x03b0; - else + else x = 0x03cd; - else - if (dialitika) + else + if (dialitika) x = 0x03cb; - else + else x = 0x03c5; break; case 0xd9: /* Upsilon capital */ - if (tonos) + if (tonos) x = 0x038e; - else - if (dialitika) + else + if (dialitika) x = 0x03ab; - else + else x = 0x03a5; break; case 0xfa: /* Phi small */ @@ -250,15 +248,15 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, x = 0x03a8; break; case 0xfd: /* Omega small */ - if (tonos) + if (tonos) x = 0x03ce; - else + else x = 0x03c9; break; case 0xdd: /* Omega capital */ - if (tonos) + if (tonos) x = 0x038f; - else + else x = 0x03a9; break; default: @@ -266,12 +264,13 @@ unsigned long yaz_read_iso5428_1984(yaz_iconv_t cd, unsigned char *inp, break; } (*no_read)++; - + return x; } -size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x, - char **outbuf, size_t *outbytesleft) +static size_t write_iso_5428_1984(yaz_iconv_t cd, yaz_iconv_encoder_t en, + unsigned long x, + char **outbuf, size_t *outbytesleft) { size_t k = 0; unsigned char *out = (unsigned char*) *outbuf; @@ -357,7 +356,7 @@ size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x, yaz_iconv_set_errno(cd, YAZ_ICONV_EILSEQ); return (size_t) -1; } - out[k++] = x; + out[k++] = (unsigned char ) x; break; } *outbytesleft -= k; @@ -365,11 +364,38 @@ size_t yaz_write_iso5428_1984(yaz_iconv_t cd, unsigned long x, return 0; } +yaz_iconv_encoder_t yaz_iso_5428_encoder(const char *name, + yaz_iconv_encoder_t e) +{ + if (!yaz_matchstr(name, "iso54281984") + || !yaz_matchstr(name, "iso5428:1984")) + { + e->write_handle = write_iso_5428_1984; + return e; + } + return 0; +} + +yaz_iconv_decoder_t yaz_iso_5428_decoder(const char *name, + yaz_iconv_decoder_t d) +{ + if (!yaz_matchstr(name, "iso54281984") + || !yaz_matchstr(name, "iso5428:1984")) + { + d->read_handle = read_iso_5428_1984; + return d; + } + return 0; +} + + /* * Local variables: * c-basic-offset: 4 + * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab */ +