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Annotation of libwww/Library/src/HTAlert.c, revision 2.18.2.1

2.18      frystyk     1: /*                                                                   HTAlert.c
                      2: **     DISPLAYING MESSAGES AND GETTING INPUT FOR LINEMODE BROWSER
                      3: **
                      4: **     (c) COPYRIGHT CERN 1994.
                      5: **     Please first read the full copyright statement in the file COPYRIGH.
1.1       timbl       6: **
                      7: **     REPLACE THIS MODULE with a GUI version in a GUI environment!
                      8: **
                      9: ** History:
                     10: **        Jun 92 Created May 1992 By C.T. Barker
                     11: **        Feb 93 Simplified, portablised TBL
2.8       luotonen   12: **        Sep 93 Corrected 3 bugs in HTConfirm() :-( AL
1.1       timbl      13: */
                     14: 
                     15: #include "HTAlert.h"
                     16: 
2.16      frystyk    17: PUBLIC BOOL HTInteractive=YES;             /* Any prompts from the Library? */
1.1       timbl      18: 
                     19: PUBLIC void HTAlert ARGS1(CONST char *, Msg)
                     20: {
2.6       timbl      21: #ifdef NeXTStep
                     22:     NXRunAlertPanel(NULL, "%s", NULL, NULL, NULL, Msg);
                     23: #else
2.18.2.1! frystyk    24:     fprintf(stderr, "\nWWW Alert:  %s\n", Msg);
2.6       timbl      25: #endif
1.1       timbl      26: }
                     27: 
                     28: 
                     29: PUBLIC void HTProgress ARGS1(CONST char *, Msg)
                     30: {
                     31:     fprintf(stderr, "   %s ...\n", Msg);
                     32: }
                     33: 
                     34: 
                     35: PUBLIC BOOL HTConfirm ARGS1(CONST char *, Msg)
                     36: {
2.8       luotonen   37:   char Reply[4];       /* One more for terminating NULL -- AL */
1.1       timbl      38:   char *URep;
                     39:   
2.16      frystyk    40:   fprintf(stderr, "WWW: %s (y/n) ", Msg);         /* (y/n) came twice -- AL */
                     41:   if (!HTInteractive || !fgets(Reply, 4, stdin))   /* get reply, max 3 chars */
2.14      frystyk    42:       return NO;
1.1       timbl      43:   URep=Reply;
2.8       luotonen   44:   while (*URep) {
2.9       luotonen   45:     if (*URep == '\n') {
2.10      luotonen   46:        *URep = (char)0;        /* Overwrite newline */
2.9       luotonen   47:        break;
                     48:     }
2.8       luotonen   49:     *URep=TOUPPER(*URep);
                     50:     URep++;    /* This was previously embedded in the TOUPPER */
                     51:                 /* call an it became evaluated twice because   */
                     52:                 /* TOUPPER is a macro -- AL */
                     53:   }
                     54: 
1.1       timbl      55:   if ((strcmp(Reply,"YES")==0) || (strcmp(Reply,"Y")==0))
                     56:     return(YES);
                     57:   else
                     58:     return(NO);
                     59: }
                     60: 
                     61: /*     Prompt for answer and get text back
                     62: */
                     63: PUBLIC char * HTPrompt ARGS2(CONST char *, Msg, CONST char *, deflt)
                     64: {
                     65:     char Tmp[200];
                     66:     char * rep = 0;
                     67:     fprintf(stderr, "WWW: %s", Msg);
2.8       luotonen   68:     if (deflt) fprintf(stderr, " (RETURN for [%s]) ", deflt);
2.16      frystyk    69:     if (!HTInteractive || !fgets(Tmp, 200, stdin))
2.17      frystyk    70:        return NULL;                         /* NULL string on error, Henrik */
                     71:     Tmp[strlen(Tmp)-1] = (char) 0;                     /* Overwrite newline */
1.1       timbl      72:    
                     73:     StrAllocCopy(rep, *Tmp ? Tmp : deflt);
                     74:     return rep;
                     75: }
2.8       luotonen   76: 
                     77: 
                     78: /*     Prompt for password without echoing the reply
                     79: */
                     80: PUBLIC char * HTPromptPassword ARGS1(CONST char *, Msg)
                     81: {
                     82:     char *result = NULL;
2.16      frystyk    83:     char *pw;
2.13      luotonen   84: 
2.16      frystyk    85:     if (!HTInteractive)
                     86:        return "";
                     87:     pw = (char *) getpass(Msg ? Msg : "Password: ");
2.8       luotonen   88:     StrAllocCopy(result, pw);
                     89:     return result;
2.11      luotonen   90: }
                     91: 
                     92: 
                     93: /*     Prompt both username and password       HTPromptUsernameAndPassword()
                     94: **     ---------------------------------
                     95: ** On entry,
                     96: **     Msg             is the prompting message.
                     97: **     *username and
                     98: **     *password       are char pointers; they are changed
                     99: **                     to point to result strings.
                    100: **
                    101: **                     If *username is not NULL, it is taken
                    102: **                     to point to  a default value.
                    103: **                     Initial value of *password is
                    104: **                     completely discarded.
                    105: **
                    106: ** On exit,
                    107: **     *username and *password point to newly allocated
                    108: **     strings -- original strings pointed to by them
                    109: **     are NOT freed.
                    110: **     
                    111: */
                    112: PUBLIC void HTPromptUsernameAndPassword ARGS3(CONST char *,    Msg,
                    113:                                              char **,          username,
                    114:                                              char **,          password)
                    115: {
2.16      frystyk   116:     if (!HTInteractive) {
                    117:        *username = "";
                    118:        *password = "";
                    119:        return;
                    120:     }
2.11      luotonen  121:     if (Msg)
                    122:        fprintf(stderr, "WWW: %s\n", Msg);
                    123:     *username = HTPrompt("Username: ", *username);
                    124:     *password = HTPromptPassword("Password: ");
2.8       luotonen  125: }
                    126: