Return to erro.c CVS log

Up to [CSRG BSD Unix] / 43BSD / contrib / B / src / bed

Annotation of 43BSD/contrib/B/src/bed/erro.c, revision 1.1

1.1     ! root        1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1984. */
        !             2: static char rcsid[] = "$Header: erro.c,v 2.5 85/08/22 16:02:02 timo Exp $";
        !             3: 
        !             4: /*
        !             5:  * B editor -- Handle error messages.
        !             6:  */
        !             7: 
        !             8: #include "b.h"
        !             9: #include "feat.h"
        !            10: #include "node.h"
        !            11: 
        !            12: 
        !            13: extern bool hushbaby;
        !            14: extern bool dflag;
        !            15: 
        !            16: string querepr();
        !            17: 
        !            18: extern int winheight; /* From scrn.c */
        !            19: extern int winstart; /* From scrn.c */
        !            20: extern int llength; /* From scrn.c */
        !            21: 
        !            22: #define SOBIT 0200 /* Interface with wind.c */
        !            23: 
        !            24: #define MAXMSG 1000
        !            25: 
        !            26: static char msgbuffer[MAXMSG];
        !            27: static bool ringbell;
        !            28: static int priority;
        !            29: 
        !            30: 
        !            31: /*
        !            32:  * Status line.  A combination of scroll bar, error message etc.
        !            33:  * Put the message on the screen and clear the buffers for next time.
        !            34:  * If there is no message, show status and copy buffer and recording mode.
        !            35:  */
        !            36: 
        !            37: Visible Procedure
        !            38: stsline(totlines, topline, scrlines, copybuffer, recording)
        !            39:        int totlines;
        !            40:        int topline;
        !            41:        int scrlines;
        !            42:        value copybuffer;
        !            43:        bool recording;
        !            44: {
        !            45:        register string bp;
        !            46: 
        !            47:        if (ringbell && !hushbaby)
        !            48:                trmbell();
        !            49:        if (msgbuffer[0]) {
        !            50:                msgbuffer[llength-1] = '\0'; /* Truncate */
        !            51:                if (ringbell) {
        !            52:                        for (bp = msgbuffer; *bp; ++bp)
        !            53:                                *bp |= SOBIT;
        !            54:                }
        !            55:        }
        !            56:        else {
        !            57:                bp = msgbuffer;
        !            58: #ifdef SCROLLBAR
        !            59:                bp += addscrollbar(totlines, topline, scrlines);
        !            60: #endif SCROLLBAR
        !            61:                if (recording) {
        !            62:                        strcpy(bp, "[Recording] ");
        !            63:                        bp += (sizeof "[Recording] ") - 1;
        !            64:                }
        !            65:                if (copybuffer) {
        !            66: #ifdef SHOWBUF
        !            67:                        sprintf(bp, "[Copy buffer: %.80s]",
        !            68:                                querepr(copybuffer));
        !            69:                        while (*bp)
        !            70:                                ++bp;
        !            71:                        if (bp >= msgbuffer+80)
        !            72:                                strcpy(msgbuffer+75, "...]");
        !            73: #else !SHOWBUF
        !            74:                        strcpy(bp, "[Copy buffer]");
        !            75: #endif !SHOWBUF
        !            76:                }
        !            77:        }
        !            78:        trmputdata(winheight, winheight, 0, msgbuffer);
        !            79:        msgbuffer[0] = 0;
        !            80:        priority = 0;
        !            81:        ringbell = No;
        !            82: }
        !            83: 
        !            84: #ifdef SCROLLBAR
        !            85: 
        !            86: /*
        !            87:  * Paint a beautiful scroll bar so the user can see about what part of the
        !            88:  * unit is visible on the screen (considering logical lines).
        !            89:  */
        !            90: 
        !            91: Hidden int
        !            92: addscrollbar(totlines, topline, scrlines)
        !            93:        int totlines;
        !            94:        int topline;
        !            95:        int scrlines;
        !            96: {
        !            97:        int endline;
        !            98:        register int i;
        !            99: 
        !           100:        if (winstart > 0 || scrlines > totlines)
        !           101:                return 0; /* Nothing outside screen */
        !           102:        if (totlines <= 0)
        !           103:                totlines = 1; /* Don't want to divide by 0 */
        !           104:        topline = topline*winheight / totlines;
        !           105:        endline = topline + (scrlines*winheight + totlines-1) / totlines;
        !           106:        if (endline > winheight)
        !           107:                endline = winheight;
        !           108:        if (topline >= endline)
        !           109:                topline = endline-1;
        !           110:        for (i = 0; i < topline; ++i)
        !           111:                msgbuffer[i] = '-';
        !           112:        for (; i < endline; ++i)
        !           113:                msgbuffer[i] = '#';
        !           114:        for (; i < winheight; ++i)
        !           115:                msgbuffer[i] = '-';
        !           116:        msgbuffer[i++] = ' ';
        !           117:        msgbuffer[i] = '\0';
        !           118:        return i;
        !           119: }
        !           120: 
        !           121: #endif SCROLLBAR
        !           122: 
        !           123: /*
        !           124:  * Issue an error message.  These have highest priority.
        !           125:  * Once an error message is in the buffer, further error messages are ignored
        !           126:  * until it has been displayed.
        !           127:  */
        !           128: 
        !           129: /* VARARGS 1 */
        !           130: Visible Procedure
        !           131: error(fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
        !           132:        string fmt;
        !           133: {
        !           134:        ringbell = Yes;
        !           135:        if (fmt && priority < 3) {
        !           136:                priority = 3;
        !           137:                sprintf(msgbuffer, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
        !           138:        }
        !           139: }
        !           140: 
        !           141: 
        !           142: /*
        !           143:  * Issue an informative message.  These have medium priority.
        !           144:  * Unlike error messages, the last such message is displayed.
        !           145:  */
        !           146: 
        !           147: /* VARARGS 1 */
        !           148: Visible Procedure
        !           149: message(fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
        !           150:        register string fmt;
        !           151: {
        !           152:        if (fmt && priority <= 2) {
        !           153:                priority = 2;
        !           154:                sprintf(msgbuffer, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
        !           155:        }
        !           156: }
        !           157: 
        !           158: 
        !           159: /*
        !           160:  * Issue a debugging message.  These  have lowest priority and
        !           161:  * are not shown to ordinary users.
        !           162:  */
        !           163: 
        !           164: /* VARARGS1 */
        !           165: Visible Procedure
        !           166: debug(fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
        !           167:        string fmt;
        !           168: {
        !           169: #ifndef NDEBUG
        !           170:        if (fmt && priority <= 1) {
        !           171:                priority = 1;
        !           172:                sprintf(msgbuffer,
        !           173:                        fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10);
        !           174:        }
        !           175: #endif NDEBUG
        !           176: }
        !           177: 
        !           178: 
        !           179: /*
        !           180:  * Dump any error message still remaining to stderr.
        !           181:  */
        !           182: 
        !           183: Visible Procedure
        !           184: enderro()
        !           185: {
        !           186:        if (msgbuffer[0]) {
        !           187:                fprintf(stderr, "%s\n", msgbuffer);
        !           188:        }
        !           189:        msgbuffer[0] = 0;
        !           190:        priority = 0;
        !           191:        ringbell = No;
        !           192: }
        !           193: 
        !           194: 
        !           195: /*
        !           196:  * This #define causes "erro.h" to compile a table of error messages.
        !           197:  */
        !           198: 
        !           199: #define _ERROR(name, message) char name[] = message
        !           200: 
        !           201: #include "erro.h"

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.