mirror of
https://github.com/fish-shell/fish-shell
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485 lines
8.5 KiB
C
485 lines
8.5 KiB
C
/** \file builtin_complete.c Functions defining the complete builtin
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Functions used for implementing the complete builtin.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <wchar.h>
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#include <wctype.h>
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#include <sys/types.h>
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#include <termios.h>
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#include <signal.h>
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#include "config.h"
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#include "util.h"
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#include "wutil.h"
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#include "builtin.h"
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#include "common.h"
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#include "complete.h"
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#include "wgetopt.h"
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#include "parser.h"
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#include "translate.h"
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/*
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builtin_complete_* are a set of rather silly looping functions that
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make sure that all the proper combinations of complete_add or
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complete_remove get called.
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*/
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static void builtin_complete_add2( const wchar_t *cmd,
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int cmd_type,
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const wchar_t *short_opt,
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array_list_t *gnu_opt,
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array_list_t *old_opt,
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int result_mode,
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int authorative,
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const wchar_t *condition,
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const wchar_t *comp,
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const wchar_t *desc )
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{
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int i;
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const wchar_t *s;
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for( s=short_opt; *s; s++ )
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{
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complete_add( cmd,
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cmd_type,
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*s,
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0,
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0,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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for( i=0; i<al_get_count( gnu_opt ); i++ )
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{
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complete_add( cmd,
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cmd_type,
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0,
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(wchar_t *)al_get(gnu_opt, i ),
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0,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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for( i=0; i<al_get_count( old_opt ); i++ )
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{
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complete_add( cmd,
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cmd_type,
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0,
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(wchar_t *)al_get(old_opt, i ),
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1,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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if( al_get_count( old_opt )+al_get_count( gnu_opt )+wcslen(short_opt) == 0 )
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{
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complete_add( cmd,
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cmd_type,
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0,
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0,
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0,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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}
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static void builtin_complete_add( array_list_t *cmd,
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array_list_t *path,
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const wchar_t *short_opt,
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array_list_t *gnu_opt,
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array_list_t *old_opt,
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int result_mode,
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int authorative,
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const wchar_t *condition,
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const wchar_t *comp,
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const wchar_t *desc )
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{
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int i;
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for( i=0; i<al_get_count( cmd ); i++ )
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{
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builtin_complete_add2( al_get( cmd, i ),
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COMMAND,
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short_opt,
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gnu_opt,
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old_opt,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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for( i=0; i<al_get_count( path ); i++ )
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{
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builtin_complete_add2( al_get( path, i ),
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PATH,
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short_opt,
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gnu_opt,
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old_opt,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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}
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static void builtin_complete_remove3( wchar_t *cmd,
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int cmd_type,
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wchar_t short_opt,
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array_list_t *long_opt )
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{
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int i;
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for( i=0; i<al_get_count( long_opt ); i++ )
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{
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complete_remove( cmd,
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cmd_type,
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short_opt,
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(wchar_t *)al_get( long_opt, i ) );
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}
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}
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static void builtin_complete_remove2( wchar_t *cmd,
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int cmd_type,
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const wchar_t *short_opt,
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array_list_t *gnu_opt,
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array_list_t *old_opt )
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{
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const wchar_t *s = (wchar_t *)short_opt;
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if( *s )
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{
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for( ; *s; s++ )
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{
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if( al_get_count( old_opt) + al_get_count( gnu_opt ) == 0 )
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{
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complete_remove(cmd,
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cmd_type,
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*s,
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0 );
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}
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else
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{
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builtin_complete_remove3( cmd,
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cmd_type,
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*s,
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gnu_opt );
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builtin_complete_remove3( cmd,
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cmd_type,
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*s,
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old_opt );
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}
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}
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}
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else
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{
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builtin_complete_remove3( cmd,
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cmd_type,
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0,
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gnu_opt );
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builtin_complete_remove3( cmd,
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cmd_type,
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0,
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old_opt );
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}
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}
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static void builtin_complete_remove( array_list_t *cmd,
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array_list_t *path,
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const wchar_t *short_opt,
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array_list_t *gnu_opt,
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array_list_t *old_opt )
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{
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int i;
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for( i=0; i<al_get_count( cmd ); i++ )
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{
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builtin_complete_remove2( (wchar_t *)al_get( cmd, i ),
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COMMAND,
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short_opt,
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gnu_opt,
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old_opt );
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}
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for( i=0; i<al_get_count( path ); i++ )
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{
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builtin_complete_remove2( (wchar_t *)al_get( path, i ),
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PATH,
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short_opt,
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gnu_opt,
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old_opt );
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}
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}
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int builtin_complete( wchar_t **argv )
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{
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int res=0;
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int argc=0;
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int result_mode=SHARED;
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int remove = 0;
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int authorative = 1;
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string_buffer_t short_opt;
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array_list_t gnu_opt, old_opt;
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wchar_t *comp=L"", *desc=L"", *condition=L"", *load=0;
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array_list_t cmd;
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array_list_t path;
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al_init( &cmd );
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al_init( &path );
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sb_init( &short_opt );
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al_init( &gnu_opt );
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al_init( &old_opt );
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argc = builtin_count_args( argv );
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woptind=0;
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while( res == 0 )
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{
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const static struct woption
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long_options[] =
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{
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{
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L"exclusive", no_argument, 0, 'x'
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}
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,
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{
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L"no-files", no_argument, 0, 'f'
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}
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,
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{
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L"require-parameter", no_argument, 0, 'r'
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}
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,
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{
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L"path", required_argument, 0, 'p'
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}
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,
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{
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L"command", required_argument, 0, 'c'
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}
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,
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{
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L"short-option", required_argument, 0, 's'
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}
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,
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{
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L"long-option", required_argument, 0, 'l' }
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,
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{
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L"old-option", required_argument, 0, 'o'
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}
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,
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{
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L"description", required_argument, 0, 'd'
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}
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,
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{
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L"arguments", required_argument, 0, 'a'
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}
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,
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{
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L"erase", no_argument, 0, 'e'
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}
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,
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{
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L"unauthorative", no_argument, 0, 'u'
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}
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,
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{
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L"condition", required_argument, 0, 'n'
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}
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,
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{
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L"load", required_argument, 0, 'y'
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}
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,
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{
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0, 0, 0, 0
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}
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}
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;
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int opt_index = 0;
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int opt = wgetopt_long( argc,
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argv,
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L"a:c:p:s:l:o:d:frxeun:y:",
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long_options,
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&opt_index );
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if( opt == -1 )
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break;
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switch( opt )
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{
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case 0:
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if(long_options[opt_index].flag != 0)
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break;
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sb_printf( sb_err,
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BUILTIN_ERR_UNKNOWN,
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argv[0],
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long_options[opt_index].name );
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sb_append( sb_err,
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parser_current_line() );
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// builtin_print_help( argv[0], sb_err );
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res = 1;
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break;
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case 'x':
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result_mode |= EXCLUSIVE;
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break;
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case 'f':
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result_mode |= NO_FILES;
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break;
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case 'r':
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result_mode |= NO_COMMON;
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break;
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case 'p':
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al_push( &cmd, unescape( woptarg, 1));
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break;
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case 'c':
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al_push( &cmd, unescape( woptarg, 1) );
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break;
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case 'd':
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desc = woptarg;
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break;
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case 'u':
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authorative=0;
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break;
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case 's':
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sb_append( &short_opt, woptarg );
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break;
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case 'l':
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al_push( &gnu_opt, woptarg );
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break;
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case 'o':
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al_push( &old_opt, woptarg );
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break;
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case 'a':
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comp = woptarg;
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break;
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case 'e':
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remove = 1;
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break;
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case 'n':
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condition = woptarg;
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break;
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case 'y':
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load = woptarg;
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break;
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case '?':
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// builtin_print_help( argv[0], sb_err );
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res = 1;
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break;
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}
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}
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if( res != 0 )
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{
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}
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else if( woptind != argc )
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{
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sb_printf( sb_err,
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_( L"%ls: Too many arguments\n" ),
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argv[0] );
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sb_append( sb_err,
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parser_current_line() );
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// builtin_print_help( argv[0], sb_err );
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res = 1;
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}
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else if( load )
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{
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complete_load( load, 1 );
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}
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else if( (al_get_count( &cmd) == 0 ) && (al_get_count( &path) == 0 ) )
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{
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/* No arguments specified, meaning we print the definitions of
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* all specified completions to stdout.*/
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complete_print( sb_out );
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}
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else
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{
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if( remove )
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{
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builtin_complete_remove( &cmd,
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&path,
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(wchar_t *)short_opt.buff,
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&gnu_opt,
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&old_opt );
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}
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else
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{
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builtin_complete_add( &cmd,
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&path,
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(wchar_t *)short_opt.buff,
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&gnu_opt,
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&old_opt,
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result_mode,
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authorative,
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condition,
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comp,
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desc );
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}
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}
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al_foreach( &cmd, (void (*)(const void *))&free );
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al_foreach( &path, (void (*)(const void *))&free );
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al_destroy( &cmd );
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al_destroy( &path );
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sb_destroy( &short_opt );
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al_destroy( &gnu_opt );
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al_destroy( &old_opt );
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return res;
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}
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