mirror of
https://github.com/fish-shell/fish-shell
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135 lines
2 KiB
C
135 lines
2 KiB
C
/** \file translate.c
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Translation library, internally uses catgets
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <wchar.h>
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#if HAVE_LIBINTL_H
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#include <libintl.h>
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#endif
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#include "common.h"
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#include "fallback.h"
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#include "util.h"
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#include "halloc_util.h"
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#if HAVE_GETTEXT
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/**
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Number of string_buffer_t in the ring of buffers
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*/
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#define BUFF_COUNT 64
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/**
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The ring of string_buffer_t
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*/
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static string_buffer_t buff[BUFF_COUNT];
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/**
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Current position in the ring
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*/
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static int curr_buff=0;
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/**
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Buffer used by translate_wcs2str
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*/
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static char *wcs2str_buff=0;
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/**
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Size of buffer used by translate_wcs2str
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*/
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static size_t wcs2str_buff_count=0;
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static int is_init = 0;
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static void internal_destroy()
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{
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int i;
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if( !is_init )
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return;
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is_init = 0;
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for(i=0; i<BUFF_COUNT; i++ )
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sb_destroy( &buff[i] );
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free( wcs2str_buff );
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}
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static void internal_init()
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{
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int i;
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is_init = 1;
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for(i=0; i<BUFF_COUNT; i++ )
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{
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sb_init( &buff[i] );
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}
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halloc_register_function_void( global_context, &internal_destroy );
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bindtextdomain( PACKAGE_NAME, LOCALEDIR );
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textdomain( PACKAGE_NAME );
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}
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/**
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Wide to narrow character conversion. Internal implementation that
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avoids exessive calls to malloc
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*/
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static char *translate_wcs2str( const wchar_t *in )
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{
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size_t len = MAX_UTF8_BYTES*wcslen(in)+1;
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if( len > wcs2str_buff_count )
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{
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wcs2str_buff = realloc( wcs2str_buff, len );
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if( wcs2str_buff == 0 )
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{
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die_mem();
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}
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}
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wcstombs( wcs2str_buff,
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in,
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MAX_UTF8_BYTES*wcslen(in)+1 );
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return wcs2str_buff;
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}
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const wchar_t *wgettext( const wchar_t *in )
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{
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if( !in )
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return in;
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if( !is_init )
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internal_init();
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char *mbs_in = translate_wcs2str( in );
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char *out = gettext( mbs_in );
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wchar_t *wres=0;
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sb_clear( &buff[curr_buff] );
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sb_printf( &buff[curr_buff], L"%s", out );
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wres = (wchar_t *)buff[curr_buff].buff;
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curr_buff = (curr_buff+1)%BUFF_COUNT;
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return wres;
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}
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#else
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const wchar_t *wgettext( const wchar_t *in )
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{
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return in;
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}
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#endif
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