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edipghlp.c
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1995-06-20
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5KB
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194 lines
/*************************************************************************
* プログラミングヘルパ
*************************************************************************/
char *MACROKEY_PGHELP_PATH = "ProgHelp_path";
char *_PGHELP_FN = "_index";
#define _PGHELP_HASH_MAX (16)
#define _PGHELP_SIZ_FNINF (16)
#define _PGHELP_SIZ_TAG (40) /* タグサイズ */
#define _PGHELP_SIZ_FNC (28) /* タグ格納する関数名の長さ */
#define _PGHELP_POS_FNC (_PGHELP_SIZ_TAG - _PGHELP_SIZ_FNC)
/* タグ中の関数名格納位置 */
int _pgHelp_hash(char *name)
{
int hash, ch;
hash = 0;
while ( *name )
{
ch = (*name) & 0xFF;
hash = hash + (ch * 31);
++name;
}
return (hash & (_PGHELP_HASH_MAX-1));
}
int _pgHelp(char *name)
{
char *path, fnIndex[256], fn[256];
char *fpIndex, *fp;
int ret, hash, numfn, n, ch, i;
char *s, *p, buf[BUFSIZ];
char *fntbl, fninf[_PGHELP_SIZ_FNINF];
char tag[_PGHELP_SIZ_TAG+4], func[_PGHELP_SIZ_FNC+4];
char fbuf[64];
long fpos;
int x0, y0;
char *dlg;
char *txtPtr;
DSP_writePage(1);
x0 = y0 = DLGPOS_CENTER_OF_SCN;
txtPtr = NULL;
hash = _pgHelp_hash(name);
if ( (path = AMAC_getName( SysMacro, MACROKEY_PGHELP_PATH)) == NULL )
{
sprintf(buf, "%sMANUAL/", AplGetStartPath() );
AMAC_setKey( SysMacro, MACROKEY_PGHELP_PATH, buf );
if ( (path = AMAC_getName( SysMacro, MACROKEY_PGHELP_PATH)) == NULL )
return (ERR);
}
/* インデックファイル名の取得 ------------------------------------*/
sprintf( fnIndex, "%s%s.%03d", path, _PGHELP_FN, hash );
if ( (fpIndex = fopen(fnIndex,"rb")) == NULL )
{
DLG_tmpMsgTime( DLGPOS_MOS_SET_CENTER, DLGPOS_MOS_SET_CENTER,
C_MBLACK, C_DLGBASE, COLMIX(C_ERROR,C_GRAY),
3, " %s : \n Can't open index file!! ", fnIndex );
return (ERR);
}
ret = 0;
for(;;)
{
if ( fread(tag,_PGHELP_SIZ_TAG,1,fpIndex) < 1 ) /* ファイル位置情報 */
{
ret = -1;
break;
}
if ( strncmp( name, tag + _PGHELP_POS_FNC, _PGHELP_SIZ_FNC) == 0 )
break;
}
fclose(fpIndex);
if ( ret )
{ /* 指定の検索パターンはない */
DLG_tmpMsgTime( DLGPOS_MOS_SET_CENTER, DLGPOS_MOS_SET_CENTER,
C_MBLACK, C_DLGBASE, COLMIX(C_ERROR,C_GRAY),
3, " %s : \n Pattern not found!! ", name );
return (ERR);
}
/* ファイル名テーブルの読み込み ------------------------------------*/
sprintf( fnIndex, "%s%s.tbl", path, _PGHELP_FN );
if ( (fpIndex = fopen(fnIndex,"rb")) == NULL )
{
DLG_tmpMsgTime( DLGPOS_MOS_SET_CENTER, DLGPOS_MOS_SET_CENTER,
C_MBLACK, C_DLGBASE, COLMIX(C_ERROR,C_GRAY),
3, " %s : \n Can't open index file!! ", fnIndex );
return (ERR);
}
fpos = tag[0] * _PGHELP_SIZ_FNINF;
fseek(fpIndex,fpos,SEEK_SET);
fread(fninf,_PGHELP_SIZ_FNINF,1,fpIndex);
fclose(fpIndex);
if ( fninf[0] != tag[0] ) /* ファイル番号が一致しない */
return (ERR);
sprintf(fn,"%s%s", path, fninf + 1);
if ( (fp = fopen(fn,"rb")) == NULL )
{
DLG_tmpMsgTime( DLGPOS_MOS_SET_CENTER, DLGPOS_MOS_SET_CENTER,
C_MBLACK, C_DLGBASE, COLMIX(C_ERROR,C_GRAY),
3, " %s : \n Can't open manual file!! ", fn );
return (ERR);
}
fpos = _getDword(tag + 1);
fseek(fp,fpos,SEEK_SET);
/* 説明内容の読み込み --------------------------------------------*/
fgets(buf,BUFSIZ,fp); /* read header line */
while ( fgets(buf,BUFSIZ,fp) != NULL )
{
if ( buf[0] == '.' )
break;
txtPtr = DLG_txtSetLinBuf( txtPtr, 8, 80, "%s", buf );
}
fclose(fp);
if ( (dlg = DLG_txtOpen(x0,y0,80,20,txtPtr,0)) == NULL )
{
DLG_txtFreeLinBuf( txtPtr );
return (ERR);
}
DLG_txtSetTitle( dlg, "PROGRAM HELPER" );
DLG_txtSetGuideMsg( dlg, "Function : %s", name );
DLG_txtStart( dlg );
DLG_txtClose( dlg );
DLG_txtFreeLinBuf( txtPtr );
return (NORMAL);
}
/*************************************************************************
* カーソル位置の単語の説明を見る
*************************************************************************/
int TxdUsr_pg_help( char *txd )
{
int ret, ch, len;
char func[_PGHELP_SIZ_FNC+4];
size_t curLnL, curOfs;
char *dlg;
if ( TxdGet_selFlag(txd) != 0 ) /* 選択中なら処理しない */
return (0);
/* 現在カーソル位置を取得 */
curLnL = TxdGet_curPosLnL(txd);
curOfs = TxdGet_curPosOfs(txd);
if ( (ch = TXD_getch(txd)) > 0 && ch < 256 && (isalpha(ch) || ch == '_') )
{
len = 0;
while( len < _PGHELP_SIZ_FNC )
{
ch = TXD_getch(txd);
TXD_cmdJump( txd, TXD_CUR_RIGHT );
if ( isalpha(ch) || isdigit(ch) || ch == '_' )
{
func[len++] = ch;
} else
break;
}
func[len] = '\0';
TXD_jumpPos( txd, curLnL, curOfs );
if ( len == 0 )
return (NORMAL);
} else
func[0] = '\0';
DSP_writePage(1);
dlg = DLG_getsOpen( DLGPOS_MOS_SET_HOME, DLGPOS_MOS_SET_HOME, 320,
"検索パターンを入力してください。" );
DLG_getsSetTitle( dlg, "PATTERN" );
ret = DLG_getsStart( dlg, _PGHELP_SIZ_FNC, func );
DLG_getsClose(dlg);
if ( ret <= 0 )
return (0);
_pgHelp( func );
return (0);
}