Light ROM 1/LIGHT-ROM 1 (Amiga Library Services)(1994).iso/ffdisks/d953.lha/LHA_DOpus/LHA.dopus

Text File | 1993-11-12 | 4KB | 194 lines

/* DOPUS-LHA AREXX SCRIPT by Michiel Pelt
 *
 * Lists selected archive in current window and installs handler to deal
 * with it.
 * Double-click on 'Quit' to quit
 * Double-click on 'AddFiles' to add all selected files to the archive
 * Double-click on 'ExtractSelected' to extract all selected files from the archive
 * Double-click on 'RemoveSelected' to remove all selected files from the archive
 * Click-m-click or double-click on files to extract single files
*/

address 'DOPUS.1'
options results

'busy on'
'toptext' 'lha interface'

/* add rexxsupport.library */
IF ~SHOW('L', "rexxsupport.library") THEN DO
    IF ADDLIB("rexxsupport.library",0,-30,0) THEN
        'TopText' "Opened rexxsupport.library."
    ELSE DO
        'TopText' "Rexxsupport.library not found"
        EXIT 10
    END
END

/* get archive */
'getnextselected'
archiefname = result
'status 13 -1'    /* current directory */
path = result
archief = '"'path || archiefname'"'

OPENPORT('LHAPort')
CALL ShowArchive

'busy off'

DO FOREVER
    IF WAITPKT('LHAPort') THEN
    DO
        pakket = GETPKT('LHAPort')
        actie  = GETARG(pakket, 0)
        i      = GETARG(pakket, 1)
        text   = GETARG(pakket, 2)
        user   = GETARG(pakket, 3)

        REPLY(pakket, 0)

        'busy on'

        IF actie=1 THEN    'OtherWindow'    /* destwindow active */

        IF user=1 THEN                /* 'quit' */
        DO
            'OtherWindow'
            'busy off'
            'ClearWin'
            EXIT
        END

        ELSE IF user = 2 THEN        /* addfiles */
        IF actie = 1 THEN            /* double-click */
        DO
            'status 13 -1'            /* destination path */
            destpath = '"'result'"'
            'GetNextSelected'
            filename = result
            DO WHILE ~(filename = 0)
                ADDRESS COMMAND 'c:lha -axr a' archief destpath filename
                'SelectFile' filename 0 1
                'GetNextSelected'
                filename = result
            END
            'OtherWindow'
            CALL ShowArchive
        END
        ELSE NOP

        ELSE IF user = 3 THEN        /* extract files */
        DO
            'status 13 -1'            /* destination path */
            destpath = '"'result'"'
            'OtherWindow'

            'GetSelectedAll'
            nums = result
            DO WHILE (nums~='')
                PARSE VAR nums num nums
                IF ~(num=='') THEN
                DO
                    'GetEntry' num+1
                    text = result
                    PARSE VAR text filename .
                    ADDRESS COMMAND 'c:lha x' archief destpath filename
                END
            END

            'OtherWindow'
            'Rescan'
            'OtherWindow'
        END

        ELSE IF user = 4 THEN        /* remove files */
        DO
            'OtherWindow'

            'GetSelectedAll'
            nums = result
            DO WHILE (nums~='')
                PARSE VAR nums num nums
                IF ~(num=='') THEN
                DO
                    'GetEntry' num+1
                    text = result
                    PARSE VAR text filename .
                    ADDRESS COMMAND 'c:lha d' archief filename
                END
            END

            CALL ShowArchive
        END


        ELSE
        DO                /* extract doubleclicked or clickmclicked files */
            'status 13 -1'
            destpath = '"'result'"'

            PARSE VAR text filename osize date time .
            ADDRESS COMMAND 'c:lha x' archief destpath filename
            'Rescan'

            'OtherWindow'
        END

        'busy off'
    END
END

/* open lha archive and list in window */
/* archivename should be in 'archief' */
ShowArchive:

    ADDRESS COMMAND 'c:lha >t:file v' archief
    IF RC>0 THEN DO
        'TopText' "LHA-error"
        EXIT 10
    END

    'ClearWin'
    'SetWinTitle' archiefname
    OPEN('file','t:file','R')

    /* control entries in red */
    'AddCustEntry Quit 1 7 -1 1 1'
    'AddCustEntry AddFiles 2 7 -1 1 1'
    'AddCustEntry ExtractSelected 3 7 -1 1 1'
    'AddCustEntry RemoveSelected 4 7 -1 1 1'

    /* skip status lines */
    DO i=1 TO 5 WHILE ~EOF('file')
        entry = READLN('file')
    END

    stop = 0
    DO WHILE (~EOF('file') & (stop ~= 1))
        entry = READLN('file')
        /* skip comment lines */
        IF ~(LEFT(entry,1) == ':') THEN
        DO
            PARSE VAR entry osize psize ratio date time filename .
            entry = filename
            IF LENGTH(entry)>0 THEN
            DO
                pos = MAX(50,10*((LENGTH(entry)+LENGTH(osize)+2)%10+1))
                entry = OVERLAY(osize, entry, pos - LENGTH(osize))
                entry = OVERLAY(date, entry, pos + 1)
                entry = OVERLAY(time, entry, pos + 11)
                entry = '"'entry'"'
                'AddCustEntry' entry '5 -1 -1 1 1'
            END
            ELSE stop = 1
        END
    END

    CLOSE('file')
    'delete t:file'

    'AddCustHandler LHAPort'

    RETURN