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ad2bbc52a4
does UTF-8 copy and paste (falling back to normal strings if necessary), it understands X font encodings and translates things accordingly so that if you have a Unicode font you can ask for virtually any single-byte encoding and get it (Mac-Roman pterm, anyone?), and so on. There's work left to be done (wide fonts for CJK spring to mind), but I reckon this is a pretty good start. [originally from svn r2395]
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* sbcs.c - routines to handle single-byte character sets.
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*/
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#include "charset.h"
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#include "internal.h"
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/*
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* The charset_spec for any single-byte character set should
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* provide read_sbcs() as its read function, and its `data' field
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* should be a wchar_t string constant containing the 256 entries
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* of the translation table.
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*/
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void read_sbcs(charset_spec const *charset, long int input_chr,
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charset_state *state,
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void (*emit)(void *ctx, long int output), void *emitctx)
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{
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wchar_t const *table = (wchar_t const *)charset->data;
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UNUSEDARG(state);
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emit(emitctx, table[input_chr]);
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}
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void write_sbcs(charset_spec const *charset, long int input_chr,
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charset_state *state,
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void (*emit)(void *ctx, long int output), void *emitctx)
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{
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wchar_t const *table = (wchar_t const *)charset->data;
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int i;
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UNUSEDARG(state);
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/*
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* FIXME: this should work, but it's ludicrously inefficient.
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* We should be using the ucs2sbcs table.
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*/
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for (i = 0; i < 256; i++)
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if (table[i] == input_chr) {
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emit(emitctx, i);
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return;
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}
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emit(emitctx, ERROR);
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}
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